CN112944285B - Projecting lamp support with adjustable new-type transformer substation is used - Google Patents

Abstract

The invention discloses a new-type adjustable projection lamp support for a substation, which has a reasonable, rigorous and reliable structure and can effectively adjust the direction of the projection lamp. In the present invention, the left and right adjustment structures are respectively equipped with clockwise gear, counterclockwise gear, left bayonet, right bayonet, clockwise gear protruding baffle, clockwise gear limit baffle, counterclockwise gear protruding baffle, counterclockwise gear limit Bit baffle; the concave surface of each gear of the clockwise gear and the counterclockwise gear is a 45-degree angle of special structure, and the convex surface of the left bayonet and the right bayonet fits with the concave surface of the corresponding clockwise gear and counterclockwise gear; the left bayonet and the right bayonet After the bayonet pin is inserted into the concave surface of the corresponding clockwise gear and counterclockwise gear, it can only rotate in one direction; the clockwise gear protruding baffle rotates 180 degrees clockwise and is restricted by the clockwise gear limit baffle; the counterclockwise gear protruding baffle counterclockwise After rotating 180 degrees, the rotation is limited by the counterclockwise gear limit baffle.

Description

A New Adjustable Floodlight Bracket Used in Substation

technical field

The invention relates to the implementation technical field of substation factory area lighting, and specifically relates to a new type of adjustable projection light bracket for substations used in substation daily operation and maintenance work, power outage operation or regular inspection site.

Background technique

The substation needs spotlight lighting in the station area when performing daily operation and maintenance, power transmission and switching operations, accident handling, regular switching of equipment, and regular inspection of equipment. At present, the lamp caps, poles and foundations of the floodlights used in substations are all fixedly connected, and the direction of the lamp caps cannot be adjusted. In special working conditions, for example, when dealing with accidents at night, the operation and maintenance personnel may not be able to clearly see the actual situation of each part of the equipment due to the blind spot of the lighting, which will delay the failure report time and the on-site judgment of the equipment failure condition by the person in charge of the duty, thereby delaying Research and analysis of accidents in the power dispatching department and power dispatching and accident handling after the occurrence of a fault; another example is when maintenance personnel work at high altitudes to maintain or replace electrical equipment during large-scale power outages and regular inspections. Poor lighting may cause equipment to collide, scratch or personnel The collision equipment is injured, and in serious cases, the equipment installed at high altitude will collapse due to collision, causing casualties and equipment damage. Poor lighting conditions in the station area have brought hidden dangers to safe production, and also reduced work efficiency and safety factor of on-site work.

According to the survey, most substations in the power system currently widely use unadjustable floodlights. The structure is simple and reliable. In the initial stage of station construction, it can basically cover the ground area of the entire station. The investment is cost-effective and can meet the daily general production needs. However, in the actual production work site, it is often necessary to temporarily add mobile rechargeable floodlights or dismantle fixed floodlights to adjust the direction due to poor lighting, which greatly increases the cost of manpower handling, input costs of production materials and production preparation time. , It also prolongs the working hours of production, and the flexibility of on-site use is not high. Therefore, in certain cases, fixed floodlights cannot meet the actual needs of on-site work.

Contents of the invention

The technical problem to be solved by the present invention is to provide a new type of adjustable floodlight bracket for substations, which has a reasonable, rigorous and reliable structure, and can effectively adjust the direction of the floodlight; the present invention further adopts The left and right adjustment structure and the up and down adjustment structure directly solve the problem that the floodlight cannot be adjusted from the root.

In order to achieve the above object, the present invention adopts the following technical solutions to achieve:

A new type of adjustable floodlight bracket for substations, characterized in that it includes a floodlight lamp head and a pole, the pole is a hollow steel pipe structure, and the pole is provided with an inner convex shape for supporting rotatable gears; the pole The lower part is fixed on the concrete pier by fixing bolts and grounded by the grounding flat iron. The upper part of the pole is connected with the cylindrical light pole under the lamp head of the spotlight in an opening. The cylindrical light pole is a solid shaft, and the cylindrical light pole A rain cover is arranged on the periphery of the floodlight; the lamp head of the floodlight is erected on the lamp bracket, and the bracket of the floodlight is a flat bracket, and the up and down adjustment structure for adjusting the up and down flip angle of the lamp head of the floodlight is set The connection with the right bracket;

The pole is provided with a rotatable gear, the rotatable gear includes an upper clockwise gear and a lower anticlockwise gear, the upper and lower parts are fixedly connected in structure; the lower part of the rotatable gear is fixedly connected with a cylindrical solid shaft, solid The rotating shaft passes through the bearing; the upper part of the rotatable gear is fixedly connected with the cylindrical solid rotating shaft, and the upper part of the solid rotating shaft is fixedly connected with a flat-shaped structure, and the flat-shaped structure is connected with the projection lamp bracket through the lamp head fixing bolt;

The vertical pole is provided with a left spring movable hole and a right spring movable hole, and its position height is the same as that of the left bayonet and the right bayonet respectively; the middle part of the left spring movable hole and the right spring movable hole structure is a hollow cylinder, and the left spring The diameter of the hole and the movable hole of the right spring is larger than the diameter of the left spring and the right spring; the structure on both sides of the movable hole of the left spring and the movable hole of the right spring is a hollow hollow with a square cross section, and the diameter of the hole is larger than that of the left bayonet pin and the right bayonet pin;

The vertical rod is provided with a gear bearing structure with an inner convex shape, the gear bearing structure is located at the lower part of the counterclockwise gear, and is movably connected with the lower part of the counterclockwise gear through the bearing;

The middle part of the left bayonet is a cuboid with a square cross-section, and the right side has three cut surfaces, which match the cut surfaces formed by two adjacent teeth of the clockwise gear; the left side of the left bayonet pin is connected to the The left pull ring is connected, and the left pull ring can rotate around the axis; the middle part of the right bayonet is in the shape of a cuboid, and there are three cut surfaces on the left side, and the three cut surfaces match the cut surfaces formed by two adjacent teeth of the counterclockwise gear; the right bayonet pin The right side is connected with the right pull ring through the movable shaft, and the right pull ring can rotate around the shaft.

As a preferred embodiment of the present invention: it also includes a clockwise gear limit baffle, the clockwise gear limit baffle is fixedly connected to the vertical rod, and the height position of the clockwise gear limit baffle protrudes from the clockwise gear The baffle corresponds, when the protruding baffle of the clockwise gear rotates clockwise to the position in contact with the limit baffle of the clockwise gear, the limit baffle of the clockwise gear can restrict the clockwise gear from rotating clockwise; the counterclockwise gear The limit baffle is fixedly connected with the pole, and the height position of the counterclockwise gear limit baffle is equivalent to that of the counterclockwise gear protruding baffle. When the counterclockwise gear protruding baffle rotates counterclockwise to contact with the counterclockwise gear limit baffle When the position is set, the counterclockwise gear limit baffle can limit the counterclockwise gear to no longer rotate counterclockwise.

As a preferred embodiment of the present invention: the up and down adjustment structure includes a square shaft, the cross-section of the left half of the square shaft is a square, and the left side is fixedly connected to the shell of the lamp cap of the projection lamp; the right half of the square shaft is Square shaft fixing bolt, the left side of the square shaft fixing bolt is fixedly connected with the right side of the square shaft;

The up and down adjustment structure also includes an up and down adjustment gear, the cross section of the up and down adjustment gear is a quarter circle, and the concave angle formed by the two teeth is 90 degrees; there is a penetrating hole with a square cross section near the center of the circle, The size matches the square shaft, and the square shaft passes through it; there is a circular arc groove with a square section near the edge of the upper and lower adjustment gear, and the depth of the arc groove is a quarter of that of the upper and lower adjustment gear;

The up and down adjustment structure also includes an upper bayonet, the middle part of the upper bayonet is in the shape of a cuboid, and the upper side is two cut surfaces, and the two cut surfaces fit with the cut surfaces formed by two adjacent teeth of the upper and lower adjustment gears; the upper bayonet The lower side of the pin is fixedly connected with the upper pull ring.

As a preferred embodiment of the present invention: the cut surface shape of each tooth of the clockwise gear is clockwise, the extension line of the first cut surface passes through the center of the circle, and the second cut surface forms an angle of 45 degrees with the first cut surface; The cut surface shape of each tooth of the hour hand gear is in the counterclockwise direction, the extension line of the first cut surface passes through the center of the circle, and the second cut surface forms an angle of 45 degrees with the first cut surface;

There is an umbrella-shaped disc left spring baffle on the right side of the left detent middle part, and the left spring baffle is fixedly connected with the left detent. Side square outlet; when the left pull ring moves to the left, the left spring baffle compresses the left spring; The right side of the bayonet snaps into the clockwise gear;

There is an umbrella-shaped disc right spring baffle on the left side of the middle part of the right bayonet, which is fixedly connected with the right bayonet. The aperture size of the right spring baffle is equal to the aperture of the right spring and is larger than the square outlet on the left and right sides of the movable hole of the right spring; When the left pull ring moves to the right, the right spring baffle compresses the right spring; when the right pull ring moves to the right and loses its force, the right spring stretches to the left and exerts force on the right spring baffle to make the right bayonet lock on the left side. Snap into the counterclockwise gear.

As a preferred embodiment of the present invention: the left spring and the right spring are respectively nested on the left bayonet and the right bayonet, and are movably connected with the left bayonet and the right bayonet; the left spring and the right spring have larger apertures than the left Square outlets on the left and right sides of the spring movable hole and the right spring movable hole.

As a preferred embodiment of the present invention: the diameter of the gear bearing structure of the vertical pole is larger than that of the cylindrical light pole and smaller than that of the counterclockwise gear.

As a preferred embodiment of the present invention: there is an umbrella-shaped disc upper spring baffle on the upper side of the upper bayonet pin, which is fixedly connected with the upper bayonet pin, and the aperture size of the upper spring baffle plate is equivalent to the aperture size of the upper spring; When the upper pull ring moves downward, the upper spring baffle compresses the upper spring; when the upper pull ring moves downward and loses its force, the upper spring stretches upward and exerts force on the upper spring baffle, so that the upper side of the upper bayonet is snapped into the upper and lower sides. Adjust the gear.

The beneficial effects of the present invention are:

The invention utilizes simple components to realize the function of the projection lamp, and the light direction of the projection lamp can be adjusted left and right and up and down. After the adjustment, the lamp head and the pole can be firmly fixed, which directly improves the efficiency of equipment operation and maintenance, accident handling and equipment power failure. The safety of maintenance operations reduces the manpower and money input costs of other mobile floodlight equipment. The device is simple and reliable in structure, easy to operate, easy to use and easy to maintain.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of embodiment of the present invention;

Fig. 2 is the front view of the left and right adjustment structure of the present invention;

3 is a schematic diagram of the assembly structure of the left and right adjustment structure of the present invention;

Figures 4-1 to 4-2 are structural schematic diagrams in the top view direction of a specific implementation of the travel limit function of the left and right adjustment structures of the present invention;

Fig. 5 is a schematic diagram of the position in the front view direction of a specific embodiment of the travel limit function of the left and right adjustment structures of the present invention;

Fig. 6 is a schematic structural diagram of the side view direction of Fig. 5;

Figure 7-1 is a schematic structural view of the left pull ring of the present invention;

Figure 7-2 is a schematic structural view of the right pull ring of the present invention;

Figure 8-1 is a structural schematic diagram of the gear bearing structure fixing device part of the present invention;

Fig. 8-2 is the front view of the gear bearing structure fixing device part of the present invention;

Figure 9-1 is a schematic diagram of the assembly structure of the up and down adjustment structure of the present invention;

Figure 9-2 is a schematic diagram of the assembly structure of the up and down adjustment structure and the square shaft structure of the present invention;

Figures 10-1 to 10-4 are the front view, right view, side view and top view of a specific embodiment of the up and down adjustment structure and up and down adjustment gear of the present invention;

Figures 11-1 to 11-2 are schematic diagrams of the front view and side view of a specific embodiment of the upper detent of the present invention;

Figures 12-1 to 12-7 are action schematic diagrams of step (12);

Figures 13-1 to 13-7 are action schematic diagrams of step (13);

Explanation of reference signs:

1-Floodlight glass buckle, 2-Light tube, 3-Floodlight glass loose leaf, 4-Up and down adjustment structure, 5-Lamp head fixing bolt, 6-Power cord, 7-Cylindrical light pole, 8-Left and right adjustment Structure, 9-pole, 10-fixing bolt, 11-ground flat iron, 12-clockwise gear, 13-left detent, 14-left spring, 15-left pull ring, 16-left spring movable hole, 17- Left spring baffle, 18-anticlockwise gear, 19-right bayonet, 20-right spring, 21-right pull ring, 22-right spring movable hole, 23-right spring baffle, 24-gear bearing structure, 25- Clockwise gear protruding baffle, 26-clockwise gear limit baffle, 27-counterclockwise gear protruding baffle, 28-counterclockwise gear limit baffle, 29-pull ring storage structure, 30-pull ring rotation shaft, 31-square shaft fixing bolt, 32-screw rod, 33-square shaft, 34-square shaft through hole, 35-up and down adjustment gear, 36-arc groove, 37-upper bayonet, 38-upper spring baffle, 39 - upper pull ring, 40 - upper spring.

Detailed ways

Describe the specific embodiment of the present invention below in conjunction with accompanying drawing and embodiment:

As shown in the figure, it shows a specific embodiment of the present invention, as shown in the figure,

A new type of adjustable spotlight bracket for substations, characterized in that it includes a spotlight lamp head and a pole 9, the pole 9 is a hollow steel pipe structure, and the pole 9 is provided with an inner convex shape for supporting rotatable gears The bottom of the pole 9 is fixed on the cement pier by the fixing bolt 10 and grounded by the grounding flat iron 11, the top of the pole 9 is connected with the cylindrical light pole 7 below the lamp cap of the projection lamp in an opening mode, and the cylindrical light pole It is a solid rotating shaft, and the periphery of the cylindrical light pole is provided with a rain cover; the lamp head of the floodlight is erected on the bracket of the floodlight, and the bracket of the floodlight is a flat bracket, which is used to adjust the up and down angle of the lamp head of the floodlight. The adjustment structure 4 is arranged at the joint between the lamp head of the projection lamp and the right side bracket;

The vertical rod 9 is provided with a rotatable gear, which includes an upper clockwise gear 12 and a lower counterclockwise gear 18, and the upper and lower parts are fixedly connected in structure; the lower part of the rotatable gear is fixed to the cylindrical solid shaft connection, the solid rotating shaft passes through the bearing; the upper part of the rotatable gear is fixedly connected with the cylindrical solid rotating shaft, the upper part of the solid rotating shaft is fixedly connected with a flat structure, and the flat structure is connected with the projection lamp bracket through the lamp head fixing bolt 5;

Described pole 9 is provided with left spring movable hole 16 and right spring movable hole 22, and its position height is identical with left detent 13 and right detent 19 respectively; Hollow cylindrical, left spring movable hole 16 and right spring movable hole 22 apertures are greater than left spring 14 and right spring 20 diameters; Left detent 13 and right detent 19;

The vertical rod 9 is provided with a gear bearing structure with an inner convex shape, the position of the gear bearing structure is at the bottom of the counterclockwise gear 18, and is movably connected with the bottom of the counterclockwise gear 18 through the bearing;

The middle part of the left detent 13 is a rectangular parallelepiped with a square cross section, and the right side has three cut surfaces, which match the cut surfaces formed by two adjacent teeth of the clockwise gear 12; the left detent 13 passes through the left side The movable shaft is connected with the left pull ring 15, and the left pull ring 15 can rotate around the axis; the middle part of the right detent 19 is in the shape of a cuboid, and the left side is three cut surfaces, which are formed by two adjacent teeth of the counterclockwise gear 28 The cut surfaces match; the right side of the right detent 19 is connected with the right draw ring 21 through the movable shaft, and the right draw ring 21 can rotate around the axis.

Preferably, as shown in the figure: a clockwise gear limit baffle 26 is also included, and the clockwise gear limit baffle 26 is fixedly connected with the vertical rod 9, and the height position of the clockwise gear limit baffle 26 is the same as that of the clockwise The gear protruding baffle plate 25 corresponds, when the clockwise gear protruding baffle plate 25 rotates clockwise to the position in contact with the clockwise gear limit baffle plate 26, the clockwise gear limit baffle plate 26 can limit the clockwise gear 12 no longer Rotate clockwise; the counterclockwise gear limit baffle 28 is fixedly connected with the vertical rod 9, the height position of the counterclockwise gear limit baffle 28 is equivalent to the counterclockwise gear protruding baffle 27, when the counterclockwise gear protruding baffle 27 counterclockwise When rotating to a position in contact with the counterclockwise gear limiting baffle 28, the counterclockwise gear limiting baffle 28 can limit the counterclockwise gear 18 from rotating counterclockwise.

Preferably, as shown in the figure: the up and down adjustment structure includes a square shaft 33, the cross-section of the left half of the square shaft is square, and the left side is fixedly connected with the shell of the lamp head of the projection lamp; the right half of the square shaft is a square Shaft fixing bolt 31, the left side of square shaft fixing bolt 31 is fixedly connected with the right side of square shaft 33;

The up and down adjustment structure also includes an up and down adjustment gear 35. The cross section of the up and down adjustment gear 35 is a quarter circle, and the concave angle formed by the two teeth is 90 degrees; there is a penetrating hole with a square cross section near the center of the circle. The size of the hole matches the square shaft, and the square shaft passes through it; there is a circular arc groove 36 with a square section near the edge of the gear at the upper and lower adjustment gear 35, and the depth of the arc groove 36 is 1/4 of that of the upper and lower adjustment gear 35 one;

The up and down adjustment structure also includes an upper bayonet 37, the middle part of the upper bayonet 37 is in the shape of a cuboid, and the upper side is two cut surfaces, and the two cut surfaces fit with the cut surfaces formed by two adjacent teeth of the upper and lower adjustment gears; The lower side of the upper bayonet pin 37 is fixedly connected with the upper pull ring 39 .

Preferably, as shown in the figure: the cut surface shape of each tooth of the clockwise gear is clockwise, the extension line of the first cut surface passes through the center of the circle, and the second cut surface forms an angle of 45 degrees with the first cut surface; the counterclockwise gear The cut surface shape of each tooth is in the counterclockwise direction, the extension line of the first cut surface passes through the center of the circle, and the second cut surface forms an angle of 45 degrees with the first cut surface;

There is an umbrella-shaped disk left spring baffle 17 on the right side of the left bayonet middle part, and the left spring baffle is fixedly connected with the left bayonet. Square outlets on both sides; when the left pull ring moves to the left, the left spring baffle compresses the left spring; The right side of the left bayonet snaps into the clockwise gear;

There is an umbrella-shaped disc right spring baffle on the left side of the middle part of the right bayonet, which is fixedly connected with the right bayonet. The aperture size of the right spring baffle is equal to the aperture of the right spring and is larger than the square outlet on the left and right sides of the movable hole of the right spring; When the left pull ring moves to the right, the right spring baffle compresses the right spring; when the right pull ring moves to the right and loses its force, the right spring stretches to the left and exerts force on the right spring baffle to make the right bayonet lock on the left side. Snap into the counterclockwise gear.

Preferably, as shown in the figure: the left spring and the right spring are respectively nested on the left bayonet and the right bayonet, and are movably connected with the left bayonet and the right bayonet; the left spring and the right spring have larger apertures than the left spring Square outlets on the left and right sides of the hole and the right spring movable hole.

Preferably, as shown in the figure: the diameter of the gear bearing structure of the pole is larger than that of the cylindrical light pole and smaller than that of the counterclockwise gear.

Preferably, as shown in the figure: there is an umbrella-shaped disc upper spring baffle on the upper side of the middle part of the upper bayonet pin, which is fixedly connected with the upper bayonet pin. The aperture size of the upper spring baffle plate is equivalent to the aperture size of the upper spring; When the ring moves downward, the upper spring baffle compresses the upper spring; when the upper pull ring moves downward and loses its force, the upper spring stretches upward and exerts force on the upper spring baffle, so that the upper side of the upper bayonet snaps into the upper and lower adjustment gears .

As a preferred embodiment, the present invention includes a spotlight lamp cap and a pole. The pole is a hollow steel pipe structure. The pole is provided with an inner convex shape for supporting rotatable gears; The grounding flat iron is grounded, and the upper part is connected with the cylindrical light pole and the rain cover part under the lamp head of the floodlight through an opening; Right side bracket connection;

The vertical rod is provided with a rotatable gear with a special structure, the rotatable gear includes an upper clockwise gear 12 and a lower counterclockwise gear 18, and the upper and lower parts are fixedly connected in structure; the lower part of the rotatable gear is connected to the cylindrical solid The rotating shaft is fixedly connected, and the solid rotating shaft passes through the bearing; the upper part of the rotatable gear is fixedly connected with the cylindrical solid rotating shaft, and the upper part of the solid rotating shaft is fixedly connected with a flat-shaped structure, and the flat-shaped structure is connected with the projection lamp bracket through bolts;

The vertical rod is provided with a left spring movable hole 16 and a right spring movable hole 22, and its position height is the same as that of the left bayonet pin 13 and the right bayonet pin 19; And right spring diameter; Left spring movable aperture 16 and right spring movable aperture 22 both sides structure is the hollow cavity that cross section is square, and its aperture is slightly larger than left detent 13 and right detent 19;

Described pole is provided with the gear bearing structure 24 of inner convex shape, and its position is at the bottom of counterclockwise gear 18, is movably connected with the bottom of counterclockwise gear 18 by bearing;

The middle part of the left detent 13 is a rectangular parallelepiped with a square cross section, and the right side is a special shape, and the three tangent surfaces on the right side just fit with the tangent surfaces formed by two adjacent teeth of the clockwise gear 12; the left detent 13 is left The side is connected with the left pull ring 15 through a movable shaft, and the left pull ring 15 can rotate around the axis; the middle part of the right detent 19 is in the shape of a cuboid, and the left side is in a special shape, and the three sections on the left side are just adjacent to the counterclockwise gear 18 The tangent surfaces formed by the two teeth fit together; the right side of the right detent 19 is connected with the right pull ring 21 through a movable shaft, and the right pull ring 21 can rotate around the axis;

The clockwise gear limit baffle 26 is fixedly connected with the hollow vertical rod, and its height position is equivalent to that of the clockwise gear protruding baffle 25. When in the contact position, the clockwise gear limit baffle 25 can limit the clockwise gear 12 to no longer rotate clockwise; the counterclockwise gear limit baffle 28 is fixedly connected with the hollow vertical rod, and the height position and the counterclockwise gear protrude to limit Baffle plate 27 is quite, when counterclockwise gear protruding baffle plate 27 rotates counterclockwise to the position that contacts with counterclockwise gear limit baffle plate 28, counterclockwise gear limit baffle plate 28 can limit counterclockwise gear 18 no longer counterclockwise. Rotation; the function of clockwise gear protruding baffle 26 and clockwise gear limit baffle 25 is to play the role of stroke and limit, to ensure that clockwise gear 12 can only rotate 180 degrees in the clockwise direction, which meets the use requirements and protects the interior Structures such as power cords; the effect of the counterclockwise gear limit baffle 28 and the anticlockwise gear protruding limit baffle 27 are the same as above, but the direction of rotation is opposite.

The left half of the square shaft 33 is a cuboid structure with a square cut surface, and the left side is fixedly connected to the lamp housing; the right half is a cylindrical bolt, and the left side of the bolt is fixedly connected to the right side of the square shaft 33;

The section shape of the upper and lower adjustment gear 35 is a quarter circle, and the concave angle formed by the two teeth is 90 degrees; near the center of the circle, there is a penetrating hole with a section shape of a square, whose size matches the square shaft, and the square shaft 33 passes therethrough; the up and down adjustment gear 35 has a circular arc groove with a square section near the edge of the gear, and its depth is 1/4 of the up and down adjustment gear 35;

The middle part of the upper bayonet pin 37 is in the shape of a cuboid, and the upper side is a special shape. The two cut surfaces on the upper side just match the cut surfaces formed by the two adjacent teeth of the upper and lower adjustment gear 35; Ring 39 is fixedly connected and cannot be rotated.

In some preferred embodiments, as shown in Figures 2 and 4: the cut surface shape of each tooth of the clockwise gear 12 is viewed in the clockwise direction, the extension line of the first cut surface passes through the center of the circle, and the second cut surface is the same as the first cut surface. The first cut surface forms an included angle of 45 degrees; the cut surface shape of each tooth of the counterclockwise gear 18 is viewed in the counterclockwise direction, and the extension line of the first cut surface passes through the center of the circle, and the second cut surface forms an included angle of 45 degrees with the first cut surface. This embodiment specifically discloses the specific structure of the clockwise gear 12 and the counterclockwise gear 18. The clockwise gear 12 cooperates with the left bayonet pin 13 and the right bayonet pin 19 to reliably realize the one-way rightward rotation of the projection lamp and the prohibition of leftward rotation. Function (to realize unidirectional rotation to the right, you only need to pull out the right bayonet pin 19 and turn right again; its function of prohibiting leftward rotation is coordinated by each tooth of the clockwise gear 12 and the special structure of the left bayonet pin 13 Complete, because the two cut surfaces of each tooth are 45 degrees, and one cut surface passes through the center of the circle); the counterclockwise gear 18 cooperates with the left bayonet pin 13 and the right bayonet pin 19 to reliably realize the one-way leftward rotation of the floodlight and prohibit the rightward movement Turn function (its working principle is the same as above). Pull out the right bayonet 19, when the clockwise gear 12 rotates clockwise to the predetermined required direction, reset the right bayonet 19, now the left bayonet 13 and the right bayonet 19 prohibit turning function to act on the clockwise gear 12 and the right bayonet respectively. On the counterclockwise gear 18, the projection lamp is kept prohibited from rotating left and right (the clockwise gear 12 and the counterclockwise gear 18 are fixedly connected);

In some preferred embodiments, as shown in Figure 2: there is an umbrella-shaped disc left spring baffle 17 on the right side of the middle part of the left detent 13, which is fixedly connected with the left detent 13, and its aperture size is the same as that of the left spring 14. Appropriate in size and slightly larger than the left and right sides of the spring movable aperture 16 square outlets; when the left pull ring 15 moved to the left, the left spring baffle plate 17 compressed the left spring 14; The spring 14 stretches to the right and applies an active force to the left spring baffle 17, so that the right side of the left bayonet pin 13 snaps into the clockwise gear 12. This embodiment specifically discloses the specific structure and relative size of the left spring baffle 17. The function of its structure is to apply force to the left spring 14 or serve as a force point for the force of the left spring 14, thereby driving the left bayonet 13 to the left. Movement and automatic reset to the right; Its relative size can guarantee that left detent 13 can not run out automatically.

In some preferred embodiments, as shown in Figure 2: there is an umbrella-shaped disk right spring baffle 23 on the left side of the middle part of the right detent 19, which is fixedly connected with the right detent 19, and its aperture size is the same as that of the right spring 20. Appropriate in size and slightly larger than the right spring movable aperture 22 left and right sides square outlets; The spring 20 stretches to the left and applies an active force to the right spring baffle 23, so that the left side of the right detent 19 snaps into the counterclockwise gear 18. This embodiment specifically discloses the specific structure and relative size of the right spring baffle 23. The function of its structure is to apply force to the right spring 20 or serve as a force point for the force of the right spring 20, thereby driving the right bayonet 19 to the left. Movement and automatic reset to the right; Its relative size can guarantee that right detent 19 can not run out automatically.

In some preferred embodiments, as shown in Figures 2 and 3: when the right detent 19 is pulled out to the right and the left detent 13 remains stationary, the clockwise gear 12 can rotate clockwise; because the clockwise gear 12 and left bayonet 13 special structure interaction reasons, now clockwise gear 12 can not rotate along counterclockwise direction. This embodiment specifically discloses the reverse restriction relationship between the clockwise gear 12 and the left bayonet pin 13. When the right bayonet pin 19 is pulled out to the right, cooperate with the structure of the left bayonet pin 13 to reliably realize the clockwise direction of the clockwise gear 12. Rotation; in this case, if the clockwise gear 12 is to be rotated counterclockwise, the left detent 13 can be pulled out, and the right detent 19 is not required.

In some preferred embodiments, as shown in Figures 2 and 3: when the left bayonet 13 is pulled out to the left and the right bayonet 19 remains stationary, the counterclockwise gear 18 can rotate in the counterclockwise direction; because the counterclockwise gear 18 and right bayonet 19 special structural interaction reasons, now counterclockwise gear 18 can not rotate along clockwise direction. This embodiment specifically discloses the reverse restriction relationship between the counterclockwise gear 18 and the right bayonet 19. When the left bayonet 13 is pulled out to the left, cooperate with the structure of the right bayonet 19 to reliably realize the anticlockwise direction of the counterclockwise gear 18. Rotation; in this case, if the counterclockwise gear 18 is to be rotated clockwise, the right bayonet 19 can be pulled out, and the left bayonet 13 is not required. Simultaneously through two groups of bayonet pins of left bayonet pin 13 and right bayonet pin 19, just can realize on left and right arbitrary directions and fix the direction of projection lamp on the left and right direction.

In some preferred embodiments, as shown in Figure 2: the left spring 14 and the right spring 20 are respectively nested on the left bayonet 13 and the right bayonet 19, and are movably connected with the left bayonet 13 and the right bayonet 19 ; The left spring 14 and the right spring 20 apertures are larger than the left spring movable aperture 16 and the right spring movable aperture 22 left and right square outlets. This embodiment specifically discloses the relative existence structure of the left spring 14 and the right spring 20 , and its movable range is limited to the left spring movable hole 16 and the right spring movable hole 22 .

In some preferred embodiments, as shown in FIG. 2 : the diameter of the pole gear bearing structure 24 is larger than that of the rotatable light pole 7 and smaller than that of the counterclockwise gear 18 . This embodiment specifically discloses the relative size of the gear bearing structure 24. Its function is to ensure that the rotatable lamp pole 7 can be inserted and the counterclockwise gear 18 and above structures are reliably supported on it, so as to realize the stable and reliable rotation and bearing of the projection lamp. support role.

In some preferred embodiments, as shown in FIG. 11 : there is an umbrella-shaped disc upper spring baffle 38 on the upper side of the middle part of the upper bayonet pin 37, which is fixedly connected with the upper bayonet pin 37, and its aperture size is the same as that of the upper spring 40. The size is equal; when the upper pull ring 39 moves downward, the upper spring baffle 38 compresses the upper spring 40; when the upper pull ring 39 moves downward and loses the force, the upper spring 40 extends upward to apply force to the upper spring baffle 38 , so that the upper side of the upper bayonet pin 37 snaps into the upper and lower adjustment gears 35 . This embodiment specifically discloses the specific structure and relative dimensions of the upper spring baffle 38. The function of the structure is to apply force from the upper spring 40 or serve as a force point for the force of the upper spring 40, thereby driving the upper bayonet 37 to move downward. And upward automatic reset; Its relative size can guarantee that upper detent 37 can not run out automatically.

In some preferred embodiments, as shown in Figures 10 and 11: when the upper bayonet pin 37 is snapped into the upper and lower adjustment gear 35 under the action of the upper spring 40, the upper and lower adjustment gear 35 keeps the lamp cap fixedly connected with the square shaft 33 in a fixed position. move. This embodiment specifically discloses the relative structures of the upper bayonet pin 37 , the upper and lower adjustment gears 35 and the square shaft 33 and the fit relationship among them. The upper part of the upper bayonet pin 37 and the concave surface of the upper and lower adjustment gear 35 are 90 degrees, and the two fit each other (when the upper bayonet 37 is inserted into the concave surface of the upper and lower adjustment gear 35, the upper and lower adjustment gear 35 cannot rotate; when pulled out, the upper and lower adjustment gear 35 can not rotate ); the cross section of the square shaft 33 fits with the 35 rotating sockets of the up and down adjustment gear, which can realize simultaneous rotation without relative sliding, and keep reliable and non-deviation after the angle is fixed.

In some preferred embodiments, as shown in Figure 13: after the upper bayonet 37 is pulled down, the 90-degree special structure of the up and down adjustment gear 35 interacts with the packaging shell structure of the up and down adjustment gear 35. At this time, there are only 35 up and down adjustment gears. Can be rotated 90 degrees clockwise or counterclockwise. This embodiment specifically discloses that the specific adjustment range of the upper and lower adjustment gear 35 is 90 degrees (45 degrees upward and downward respectively from the horizontal direction, and its limit is cleverly realized by the uniquely designed 90 degree structure of the upper and lower adjustment gear 35 in conjunction with the shell structure to prevent the occurrence of turned too far up and down).

In some preferred embodiments, as shown in FIG. 7 : the left pull ring 15 and the right pull ring 21 can rotate around the pull ring rotation axis 30 . This embodiment specifically discloses the structure of the left pull ring 15 and the right pull ring 21. Cooperating with the pull ring storage structure 29, the left pull ring 15 and the right pull ring 21 can be stored in the pull ring storage structure 29 after rotating around the axis. The structure is beautiful and practical .

In some preferred embodiments, as shown in FIG. 1 , the diameter of the outer rain cover of the rotatable light pole 7 is slightly larger than that of the hollow pole. This embodiment specifically discloses a rainproof cover, the function of which is to prevent rainwater from entering the light pole.

To sum up: the present invention discloses a novel adjustable floodlight bracket for substations, including a clockwise gear 12, a left bayonet pin 13, a left pull ring 15, a left spring movable hole 16, an anticlockwise gear 18, a right Bayonet 19, right pull ring 21, right spring movable hole 22, gear bearing structure 24, clockwise gear protruding baffle 25, clockwise gear limit baffle 26, counterclockwise gear protruding baffle 27, counterclockwise gear limit Baffle plate 28, pull ring storage structure 29, square shaft 33, square shaft through hole 34, up and down adjustment gear 35, upper bayonet pin 37, upper pull ring 39 and other components and structures.

In this embodiment, the grounded flat irons 11 are respectively connected to the metal positions at the bottom of the pole, so as to reduce the overall induced electricity of the floodlight and improve safety.

As shown in the figure, steps (Fig. 12-1): Before the device is used, all components are in the original state in the left and right directions. Viewed from the front, the position of the clockwise gear 12 is that the clockwise gear protrudes from the baffle plate 25 The position in contact with the left detent 13; the position where the counterclockwise gear 18 is located is the position where the protruding baffle plate 27 of the counterclockwise gear contacts the right detent 19; the clockwise gear 12 and the counterclockwise gear 18 are fixedly connected and rotate simultaneously The left detent 13 is inserted into the recess of the clockwise gear 12, and the right detent 19 is inserted into the recess of the counterclockwise gear 18; at this time, the clockwise gear 12 cannot rotate counterclockwise under the restriction of the left detent 13, and the counterclockwise gear 18 Can not rotate clockwise under the restriction of right bayonet pin 19, keep stationary state as a whole. The above description is consistent with the state of each component shown in the action schematic diagram of Figure 12-1.

As shown in the figure, steps (Figure 12-2): When the device needs to be adjusted clockwise, first pull out the right bayonet pin 19, and keep the other components. The front effect is as shown in the figure. The above description is consistent with the state of each component shown in the action schematic diagram of Figure 12-2.

As shown in the figure, step (Fig. 12-3): the device rotates 180 degrees clockwise, at this time, the protruding baffle 25 of the clockwise gear meets the limit baffle 26 of the clockwise gear, and the limit baffle 26 of the clockwise gear The clockwise gear protruding baffle 25 will be restricted from continuing to rotate, so that the clockwise gear protruding baffle 25 can only rotate 180 degrees to the right from the original state; The counterclockwise gear protruding baffle 27 meets the counterclockwise gear limiting baffle 28 . Here the clockwise gear 12 and the counterclockwise gear 18 are designed with protruding baffles and limit baffles to make the two groups of gears evenly distribute the force. The above description is consistent with the state of each component shown in the schematic diagram of action in Figure 12-3.

As shown in the figure, steps (Fig. 12-4): when the device needs to be turned counterclockwise back to the original state, first reset the bayonet 19, and at this time the right bayonet 19 is inserted into the gear recess of the counterclockwise gear 18, and other components and The description in the previous step remains the same. The above description is consistent with the state of each element shown in the action schematic diagram of Figure 12-4.

As shown in the figure, steps (Fig. 12-5): pull out the left bayonet pin 13 of the device first, and keep the other components. The front effect is as shown in the figure. The above description is consistent with the state of each element shown in the action schematic diagram of Figure 12-5.

As shown in the figure, steps (Fig. 12-6): the device rotates 180 degrees counterclockwise, the clockwise gear protrudes from the baffle 25 and is close to the left detent 13, and the counterclockwise gear protrudes from the baffle 27 because of the fixed connection. Rotate 180, anticlockwise gear protrusion baffle 27 is close to right bayonet 19 . The above description is consistent with the state of each element shown in the action schematic diagram of Fig. 12-6.

As shown in the figure, step (Fig. 12-7): the device resets the left bayonet pin 13, and now the left bayonet pin 13 is inserted into the gear recess of the clockwise gear 12, and the device returns to the original state in the horizontal direction. The above description is consistent with the state of each element shown in the action schematic diagram of Fig. 12-7.

As shown in the figure, steps (Figure 13-1): when the device needs to adjust the direction up and down, all components are in the original state of the up and down direction. Seen from the right, the symmetry line of the up and down adjustment gear 35 is vertically downward, and the upper bayonet pin 37 Insert up and down adjustment gear 35 gear recesses, now up and down adjustment gear 35 can not rotate, upper spring 40 is in the original state, and the head of the projection lamp is facing horizontally. The above description is consistent with the state of each component shown in the action schematic diagram of Figure 13-1.

As shown in the figure, steps (Fig. 13-2): When the device needs to adjust the direction downward, first pull down the upper bayonet pin 37, at this time the upper bayonet pin 37 withdraws from the gear recess of the upper and lower adjustment gear 35, and the upper spring 40 In the compressed state, the up and down adjustment gear 35 can rotate. The above description is consistent with the state of each component shown in the action schematic diagram of Figure 13-2.

As shown in the figure, step (Fig. 13-3): the device adjusts the lamp head downward by 45 degrees (of course, any degree between 0 and 45 degrees can also be adjusted). The above description is consistent with the state of each element shown in the action schematic diagram of Figure 13-3.

As shown in the figure, steps (Fig. 13-4): the device restores the upper bayonet pin 37, and the upper bayonet pin 37 is inserted into the gear recess of the upper and lower adjustment gear 35. 45 degrees, the up and down adjustment gear 35 can not rotate, the upper spring 40 is in the original state, and the head of the projecting light is facing downward at 45 degrees with the horizontal. The above description is consistent with the state of each element shown in the action schematic diagram of Figure 13-4.

As shown in the figure, steps (Fig. 13-5): when the device needs to adjust the direction upwards, first pull down the upper bayonet pin 37, at this time the upper bayonet pin 37 withdraws from the gear recess of the upper and lower adjustment gear 35, and the upper spring 40 In the compressed state, the up and down adjustment gear 35 can rotate. The above description is consistent with the state of each element shown in the action schematic diagram of Figure 13-5.

As shown in the figure, step (Fig. 13-6): the device adjusts the lamp head upward by 90 degrees (of course, any degree between 0 and 90 degrees can also be adjusted). The above description is consistent with the state of each element shown in the action schematic diagram of Fig. 13-6.

As shown in the figure, steps (Fig. 13-7): the device restores the upper bayonet pin 37, and the upper bayonet pin 37 is inserted into the gear recess of the upper and lower adjustment gear 35. 45 degrees, the up and down adjustment gear 35 cannot rotate, the upper spring 40 is in the original state, and the head of the projecting light is facing upwards at 45 degrees with the horizontal. The above description is consistent with the state of each element shown in the schematic diagram of action in Figure 13-7.

To sum up, as a preferred embodiment, the present invention discloses a new type of adjustable floodlight bracket for substations. Rotate in the counterclockwise direction. At this time, because of the special structure of the left bayonet and the clockwise gear, it can ensure that the clockwise gear can only rotate in the clockwise direction and cannot rotate counterclockwise; at the same time, because the clockwise gear and the counterclockwise gear are integrated The fixed structure, when the clockwise gear rotates, it will rotate with the counterclockwise gear in the same direction; after adjusting to the proper position, the right bayonet can be restored to its original state, and the direction of the floodlight will be between the left bayonet and the right bayonet Under the joint action, it is firmly stuck and fixed. Because the circumference is 360 degrees, full-angle coverage can be achieved by adjusting 180 degrees from left to right. At the same time, in order to prevent the clockwise gear from having any angle restrictions when adjusting to the left, the internal power cord and related components will be damaged due to winding, so the present invention has limitations. The stroke limit of rotation is clockwise gear protruding baffle, clockwise gear limit baffle, counterclockwise gear protruding baffle and counterclockwise gear limit baffle, so that the clockwise gear and counterclockwise gear can only rotate 180 degrees The purpose of setting two sets of limits is to evenly distribute the force generated by the clockwise gear protruding baffle and the counterclockwise gear protruding baffle, reduce mechanical fatigue, and enhance component reliability and service life. When you need to adjust the direction to the right, you only need to pull out the left bayonet and turn the floodlight clockwise. Its working principle and function are the same as the clockwise rotation of the clockwise gear. Via clockwise gear, counterclockwise gear, left detent, right detent, clockwise gear protrusion, clockwise gear stop, counterclockwise gear protrusion, counterclockwise gear limit, and left spring , the left pull ring, the right spring, and the right pull ring and other components can reliably realize the direction of the floodlight in the horizontal direction to the left or right 180 degrees to rotate and adjust and firmly lock and fix. When it is necessary to adjust the direction upward or downward, just pull out the upper bayonet and turn the floodlight in the up or down direction. At this time, because of the special structure of the upper bayonet and the 90-degree up and down adjustment gear, it can ensure that the up and down The adjustment gear can only be adjusted upwards or downwards after the upper bayonet is pulled out; when the upper bayonet is inserted back into the concave surface of the upper and lower adjustment gears, it can ensure that the upper and lower adjustment gears are firmly locked and fixed; at the same time, in order to prevent any angle when adjusting up and down Limitation, causing damage to the lamp holder and related components due to winding, and the actual situation of the work site, the present invention has a limited stroke limit for up and down adjustment, which is realized by the 90-degree design of the up and down adjustment gear and the installation of the outer box, which is simple and effective; the range of adjustment 45 degrees up or down from the horizontal. Through the cooperation of up and down adjustment gears, square shafts, upper bayonets, upper spring baffles, upper pull rings, upper springs and other components, the orientation of the floodlight can be reliably adjusted by 45 degrees upward or downward in the vertical direction and firmly fixed. Stuck and fixed; considering the gravity of the lamp head, the actual effect and reliability of on-site use, and the cost performance of linear capital investment, the up and down adjustment parts of this device are designed as a single set on the right, which fully meets the actual needs. The device is also designed with bearings and other structures to increase the flexibility and reliability of rotation adjustment; it is designed with a rainproof structure to increase the rainproof effect; the foldable pull ring that can be hidden is beautiful and practical; the special multiple grounding is also conducive to safety.

The above specific implementation mainly describes a new type of adjustable floodlight bracket for substations from the horizontal dimension and vertical dimension adjustment method, process, principle and design significance, and how to realize the function of the device is explained in detail.

The preferred embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and can also be made within the scope of knowledge of those of ordinary skill in the art without departing from the gist of the present invention. These changes involve related technologies well known to those skilled in the art, and these all fall within the protection scope of the patent of the present invention.

Many other changes and modifications can be made without departing from the spirit and scope of the present invention. It should be understood that the invention is not limited to the particular embodiments, but that the scope of the invention is defined by the appended claims.

Claims (3)

1. A new type of adjustable floodlight bracket for substations, characterized in that: it includes a floodlight lamp head and a pole, the pole is a hollow steel pipe structure, and the pole is provided with an inner convex shape for supporting rotatable gears; The lower part of the pole is fixed on the concrete pier by fixing bolts and grounded by the grounding flat iron. The upper part of the pole is connected with the cylindrical light pole under the lamp head of the floodlight in an opening. The cylindrical light pole is a solid shaft, cylindrical The periphery of the light pole is provided with a rain cover; the lamp head of the floodlight is erected on the bracket of the floodlight, and the bracket of the floodlight is a flat bracket. The connection between the lamp head and the right side bracket; The pole is provided with a rotatable gear, the rotatable gear includes an upper clockwise gear and a lower anticlockwise gear, the upper and lower parts are fixedly connected in structure; the lower part of the rotatable gear is fixedly connected with a cylindrical solid shaft, solid The rotating shaft passes through the bearing; the upper part of the rotatable gear is fixedly connected with the cylindrical solid rotating shaft, and the upper part of the solid rotating shaft is fixedly connected with a flat-shaped structure, and the flat-shaped structure is connected with the projection lamp bracket through the lamp head fixing bolt; The vertical pole is provided with a left spring movable hole and a right spring movable hole, and its position height is the same as that of the left bayonet and the right bayonet respectively; the middle part of the left spring movable hole and the right spring movable hole structure is a hollow cylinder, and the left spring The diameter of the hole and the movable hole of the right spring is larger than the diameter of the left spring and the right spring; the structure on both sides of the movable hole of the left spring and the movable hole of the right spring is a hollow hollow with a square cross section, and the diameter of the hole is larger than that of the left bayonet pin and the right bayonet pin; The vertical rod is provided with a gear bearing structure with an inner convex shape, the gear bearing structure is located at the lower part of the counterclockwise gear, and is movably connected with the lower part of the counterclockwise gear through the bearing; The middle part of the left bayonet is a cuboid with a square cross-section, and the right side has three cut surfaces, which match the cut surfaces formed by two adjacent teeth of the clockwise gear; the left side of the left bayonet pin is connected to the The left pull ring is connected, and the left pull ring can rotate around the axis; the middle part of the right bayonet is in the shape of a cuboid, and there are three cut surfaces on the left side, and the three cut surfaces match the cut surfaces formed by two adjacent teeth of the counterclockwise gear; the right bayonet pin The right side is connected with the right pull ring through the movable shaft, and the right pull ring can rotate around the shaft; It also includes a clockwise gear limit baffle, the clockwise gear limit baffle is fixedly connected to the vertical rod, the height position of the clockwise gear limit baffle corresponds to the clockwise gear protruding baffle, when the clockwise gear protrudes When the plate rotates clockwise to the position in contact with the clockwise gear limit baffle, the clockwise gear limit baffle can limit the clockwise gear from rotating clockwise; the counterclockwise gear limit baffle is fixedly connected with the vertical rod, The height position of the counterclockwise gear limit baffle is equivalent to that of the counterclockwise gear protruding baffle. The plate can restrict the counterclockwise gear from rotating counterclockwise; The up and down adjustment structure includes a square shaft, the cross section of the left half of the square shaft is square, and the left side is fixedly connected with the lamp head shell of the projection lamp; the right half of the square shaft is a square shaft fixing bolt, and the square shaft fixing bolt left The side is fixedly connected with the right side of the square shaft; The up and down adjustment structure also includes an up and down adjustment gear, the cross section of the up and down adjustment gear is a quarter circle, and the concave angle formed by the two teeth is 90 degrees; there is a penetrating hole with a square cross section near the center of the circle, The size matches the square shaft, and the square shaft passes through it; there is a circular arc groove with a square section near the edge of the upper and lower adjustment gear, and the depth of the arc groove is a quarter of that of the upper and lower adjustment gear; The up and down adjustment structure also includes an upper bayonet, the middle part of the upper bayonet is in the shape of a cuboid, and the upper side is two cut surfaces, and the two cut surfaces fit with the cut surfaces formed by two adjacent teeth of the upper and lower adjustment gears; the upper bayonet The lower side of the pin is fixedly connected with the upper pull ring; The cut surface shape of each tooth of the clockwise gear is clockwise, the extension line of the first cut surface passes through the center of the circle, and the second cut surface forms an angle of 45 degrees with the first cut surface; the cut surface shape of each tooth of the counterclockwise gear is along the counterclockwise direction. Direction, the extension line of the first section passes through the center of the circle, and the second section forms an angle of 45 degrees with the first section; There is an umbrella-shaped disc left spring baffle on the right side of the left detent middle part, and the left spring baffle is fixedly connected with the left detent. Side square outlet; when the left pull ring moves to the left, the left spring baffle compresses the left spring; The right side of the bayonet snaps into the clockwise gear; There is an umbrella-shaped disc right spring baffle on the left side of the middle part of the right bayonet, which is fixedly connected with the right bayonet. The aperture size of the right spring baffle is equal to the aperture of the right spring and is larger than the square outlet on the left and right sides of the movable hole of the right spring; When the left pull ring moves to the right, the right spring baffle compresses the right spring; when the right pull ring moves to the right and loses its force, the right spring stretches to the left and exerts force on the right spring baffle to make the right bayonet lock on the left side. Snap into the counterclockwise gear; The left spring and the right spring are respectively nested on the left bayonet pin and the right bayonet pin, and are movably connected with the left bayonet pin and the right bayonet pin; Side square exit. 2. A new type of adjustable floodlight bracket for substations according to claim 1, characterized in that: the diameter of the gear bearing structure of the vertical pole is smaller than that of the cylindrical light pole and larger than that of the counterclockwise gear. 3. A new type of adjustable floodlight bracket for substations as claimed in claim 2, characterized in that: there is an umbrella-shaped disc upper spring baffle on the upper side of the middle of the upper bayonet, which is fixed with the upper bayonet Connection, the hole diameter of the upper spring baffle is equal to the hole diameter of the upper spring; when the upper pull ring moves downward, the upper spring baffle compresses the upper spring; when the upper pull ring moves downward and loses force, the upper spring stretches upward The spring baffle exerts an active force so that the upper side of the upper bayonet pin is snapped into the upper and lower adjustment gears.

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