CN114575735B - A folding ladder for power dispatching automation maintenance - Google Patents
A folding ladder for power dispatching automation maintenance Download PDFInfo
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- CN114575735B CN114575735B CN202210241464.6A CN202210241464A CN114575735B CN 114575735 B CN114575735 B CN 114575735B CN 202210241464 A CN202210241464 A CN 202210241464A CN 114575735 B CN114575735 B CN 114575735B
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/387—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a folding ladder for automatic maintenance of power dispatching, which comprises two main upright posts and two auxiliary upright posts, wherein the two main upright posts and the two auxiliary upright posts are arranged in parallel, the two main upright posts and the two auxiliary upright posts are in one-to-one correspondence, the auxiliary upright posts are positioned above the main upright posts, and a plurality of pedals are equidistantly arranged between the main upright posts and the auxiliary upright posts; two corners of the pedal are rotatably arranged on the inner sides of the two main stand columns through first pin shafts, and the other two corners of the pedal are rotatably arranged on the inner sides of the two auxiliary stand columns through first pin shafts; the invention is suitable for power engineering, and the ladder can be folded, so that the ladder can be folded when not in use, storage space is saved, and the ladder is convenient to carry.
Description
Technical Field
The invention belongs to the technical field of power engineering, and particularly relates to a folding ladder for automatic overhaul of power dispatching.
Background
Electric power engineering, i.e. engineering related to the production, transportation, distribution of electrical energy, also broadly includes engineering that uses electricity as a motive force and energy source in a variety of fields. Meanwhile, the power transmission and transformation power expansion engineering can be understood;
the folding ladder for automatic maintenance of power dispatching is used in power engineering and is used for automatic maintenance of power dispatching;
however, the existing ladders are simple in structure, and the ladders are single in state when in use and not in use, so that the occupied space is large when the ladders are stored or transported, the storage and the transportation are inconvenient, some ladders can be simply folded, but the folding ladders mostly lack of safety protection structures, and the folding locking structures are easy to damage, so that potential safety hazards exist when the ladders are used.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a folding ladder for automatic overhaul of power dispatching.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an automatic folding ladder of using of overhauling of power dispatching, includes two main posts and two auxiliary posts, two main posts with two auxiliary posts parallel arrangement, two main posts with two auxiliary posts one-to-one, auxiliary posts are located the top of main posts, main posts with the equidistance has arranged a plurality of footboard between the auxiliary post;
two corners of the pedal are rotatably arranged on the inner sides of the two main stand columns through first pin shafts, and the other two corners of the pedal are rotatably arranged on the inner sides of the two auxiliary stand columns through first pin shafts;
the expansion screens strip is installed to two the inboard below department of main stand, expansion screens strip adopts slidable mounting, and the screens groove has been seted up to the footboard lower surface that is located bottommost, expansion screens strip can pass through the slip block to in the screens groove.
Preferably, connecting rods are arranged above and below the main upright posts, and the connecting rods are connected with the two main upright posts.
Preferably, the main upright and the auxiliary upright have a first shape and a second shape under the restriction of external constraint, the first shape is a folded shape in which the two auxiliary uprights are attached to the upper sides of the inner sides of the two main uprights, the second shape is an unfolded shape in which the two auxiliary uprights are separated from the two main uprights, and the main uprights and the auxiliary uprights can be controlled to expand from the first shape to the second shape.
Preferably, the two ends of the unfolding clamping strip are provided with adjusting sliding seats, the adjusting sliding seats are slidably mounted on the main upright post, and one side of each adjusting sliding seat is inserted with a locking pin.
Preferably, the adjusting slide seat adopts a 'back' shape structure.
Preferably, the upper surface of the main upright post is provided with a sliding groove along the length direction, one side edge of the adjusting sliding seat penetrates through the sliding groove, the inner side of the main upright post is provided with a transverse groove along the length direction, and one end of the unfolding clamping strip penetrates through the transverse groove and then is fixedly connected with the adjusting sliding seat.
Preferably, the base is installed to the bottom of main stand, two the top connecting plate is installed at the top of main stand, the both sides of top connecting plate are installed in the inboard of main stand through the rotation of second round pin axle.
Preferably, a safety locking mechanism is further arranged above the main upright post, and the safety locking mechanism is used for locking the pedal when the main upright post and the auxiliary upright post are in the second form.
Preferably, the safety locking mechanism comprises a main seat, an installation cavity is formed in the main seat, a sliding block is slidably connected in the installation cavity, a safety pin is installed at one end of the sliding block, a pin hole matched with the safety pin is formed in the side face of the pedal, which is located at the uppermost position, and the safety pin is pinned in the pin hole when the main upright post and the auxiliary upright post are in the second form.
Preferably, a pull rod is mounted at the other end of the sliding block, and one end of the pull rod extends to the outside of the main seat and is connected with a spheroid.
In the invention, the main upright post and the auxiliary upright post have a first shape and a second shape under the restriction of external restraint, the first shape is a folding shape that the two auxiliary upright posts are attached above the inner sides of the two main upright posts, the second shape is an unfolding shape that the two auxiliary upright posts are separated from the two main upright posts, the main upright post and the auxiliary upright post can be controlled to expand from the first shape to the second shape, and the structure is arranged to enable the ladder to be folded, so that the ladder can be folded when not in use, storage space is saved, and the ladder is convenient to carry;
according to the invention, the safety locking mechanism is further arranged above the main upright post, and can lock the pedal when the main upright post and the auxiliary upright post are in the second form, and the safety locking mechanism is arranged in the second form, namely, if the unfolding clamping strip is damaged when the ladder is unfolded and used, the safety locking mechanism can protect the ladder by the bag body unfolding clamping strip, so that the second form is maintained, and the safety of the device is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the area A in FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of an adjustment carriage in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of a main column of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the area B in FIG. 1 according to the present invention;
FIG. 6 is a schematic view of a safety locking mechanism of the present invention;
FIG. 7 is a schematic view of the pedal structure of the present invention;
fig. 8 is a schematic view of the bottom surface of the top connecting plate according to the present invention.
Reference numerals: 1. unfolding the clamping strip; 2. a base; 3. a main column; 4. a pedal; 5. a first pin; 6. auxiliary columns; 7. a top connection plate; 8. a connecting rod; 9. adjusting the sliding seat; 10. a locking pin; 11. a chute; 12. a transverse groove; 13. a safety locking mechanism; 1301. a safety pin; 1302. a slide block; 1303. a main seat; 1304. a mounting cavity; 1305. a pressing spring; 1306. a pull rod; 1307. a spheroid; 14. a clamping groove; 15. a second pin; 16. a magic tape.
Detailed Description
The following describes a specific embodiment of the folding ladder for power dispatching automation maintenance with reference to fig. 1 to 8. The folding ladder for power dispatching automation maintenance is not limited to the description of the following embodiments.
Example 1:
the embodiment provides a specific structure of a folding ladder for automatic maintenance of power dispatching, as shown in fig. 1, the folding ladder comprises two main upright posts 3 and two auxiliary upright posts 6, wherein the two main upright posts 3 and the two auxiliary upright posts 6 are arranged in parallel, the two main upright posts 3 and the two auxiliary upright posts 6 are in one-to-one correspondence, the auxiliary upright posts 6 are positioned above the main upright posts 3, and a plurality of pedals 4 are equidistantly arranged between the main upright posts 3 and the auxiliary upright posts 6;
two corners of the pedal 4 are rotatably arranged on the inner sides of the two main upright posts 3 through first pin shafts 5, and the other two corners of the pedal 4 are rotatably arranged on the inner sides of the two auxiliary upright posts 6 through first pin shafts 5;
the lower parts of the inner sides of the two main upright posts 3 are provided with unfolding clamping strips 1, the unfolding clamping strips 1 are in sliding installation, clamping grooves 14 are formed in the lower surfaces of the pedals 4 at the bottommost parts, and the unfolding clamping strips 1 can be clamped into the clamping grooves 14 in a sliding mode.
By adopting the technical scheme:
two of the corners of the pedal 4 in the ladder are rotatably mounted on the inner sides of the two main uprights 3 through the first pin shaft 5, the other two corners of the pedal 4 are rotatably mounted on the inner sides of the two auxiliary uprights 6 through the first pin shaft 5, and a parallelogram structure is formed among the pedal 4, the main uprights 3 and the auxiliary uprights 6 through the structure, so that the main uprights 3 and the auxiliary uprights 6 can be folded through pressing, the unfolding clamping strips 1 are mounted at the positions below the inner sides of the two main uprights 3, and the unfolding clamping strips 1 can be clamped into the clamping grooves 14 at the bottoms of the pedal 4 through sliding, and therefore the ladder can be guaranteed to be stable when being used by clamping the pedal 4 through unfolding the clamping strips 1.
Example 2:
the embodiment provides a specific structure of a folding ladder for automatic maintenance of power dispatching, as shown in fig. 1, the folding ladder comprises two main upright posts 3 and two auxiliary upright posts 6, wherein the two main upright posts 3 and the two auxiliary upright posts 6 are arranged in parallel, the two main upright posts 3 and the two auxiliary upright posts 6 are in one-to-one correspondence, the auxiliary upright posts 6 are positioned above the main upright posts 3, and a plurality of pedals 4 are equidistantly arranged between the main upright posts 3 and the auxiliary upright posts 6;
two corners of the pedal 4 are rotatably arranged on the inner sides of the two main upright posts 3 through first pin shafts 5, and the other two corners of the pedal 4 are rotatably arranged on the inner sides of the two auxiliary upright posts 6 through first pin shafts 5;
the lower parts of the inner sides of the two main upright posts 3 are provided with unfolding clamping strips 1, the unfolding clamping strips 1 are in sliding installation, clamping grooves 14 are formed in the lower surfaces of the pedals 4 at the bottommost parts, and the unfolding clamping strips 1 can be clamped into the clamping grooves 14 in a sliding mode.
Connecting rods 8 are arranged above and below the main upright posts 3, and the connecting rods 8 are connected with the two main upright posts 3.
The main upright 3 and the auxiliary upright 6 have a first shape and a second shape under the restriction of external constraint, the first shape is a folded shape in which the two auxiliary uprights 6 are attached to the upper sides of the inner sides of the two main uprights 3, the second shape is an unfolded shape in which the two auxiliary uprights 6 are separated from the two main uprights 3, and the expansion sheet can be controlled to expand from the first shape to the second shape.
By adopting the technical scheme:
the main upright 3 and the auxiliary upright 6 of the ladder have a first shape and a second shape under the restriction of external restraint, the first shape is a folded shape in which the two auxiliary uprights 6 are attached to the upper sides of the inner sides of the two main uprights 3, the second shape is an unfolded shape in which the two auxiliary uprights 6 are separated from the two main uprights 3, the main uprights 3 and the auxiliary uprights 6 can be controlled to expand to the second shape from the first shape, and the ladder can be folded due to the structural arrangement, so that the ladder can be folded when not in use, storage space is saved, and the ladder is convenient to carry.
Example 3:
the embodiment provides a specific structure of a folding ladder for automatic maintenance of power dispatching, as shown in fig. 1-7, the folding ladder comprises two main upright posts 3 and two auxiliary upright posts 6, wherein the two main upright posts 3 and the two auxiliary upright posts 6 are arranged in parallel, the two main upright posts 3 and the two auxiliary upright posts 6 are in one-to-one correspondence, the auxiliary upright posts 6 are positioned above the main upright posts 3, and a plurality of pedals 4 are equidistantly arranged between the main upright posts 3 and the auxiliary upright posts 6;
two corners of the pedal 4 are rotatably arranged on the inner sides of the two main upright posts 3 through first pin shafts 5, and the other two corners of the pedal 4 are rotatably arranged on the inner sides of the two auxiliary upright posts 6 through first pin shafts 5;
the lower parts of the inner sides of the two main upright posts 3 are provided with unfolding clamping strips 1, the unfolding clamping strips 1 are in sliding installation, clamping grooves 14 are formed in the lower surfaces of the pedals 4 at the bottommost parts, and the unfolding clamping strips 1 can be clamped into the clamping grooves 14 in a sliding mode.
Connecting rods 8 are arranged above and below the main upright posts 3, and the connecting rods 8 are connected with the two main upright posts 3.
The main upright 3 and the auxiliary upright 6 have a first shape and a second shape under the restriction of external constraint, the first shape is a folded shape in which the two auxiliary uprights 6 are attached to the upper sides of the inner sides of the two main uprights 3, the second shape is an unfolded shape in which the two auxiliary uprights 6 are separated from the two main uprights 3, and the expansion sheet can be controlled to expand from the first shape to the second shape.
The two ends of the unfolding clamping strip 1 are provided with adjusting sliding seats 9, the adjusting sliding seats 9 are slidably arranged on the main upright posts 3, and one sides of the adjusting sliding seats 9 are inserted with locking pins 10.
The adjusting slide 9 adopts a structure in the shape of a Chinese character 'hui'.
The upper surface of the main upright post 3 is provided with a sliding groove 11 along the length direction, one side edge of the adjusting sliding seat 9 penetrates through the sliding groove 11, the inner side of the main upright post 3 is provided with a transverse groove 12 along the length direction, and one end of the expanding clamping strip 1 penetrates through the transverse groove 12 and is fixedly connected with the adjusting sliding seat 9.
By adopting the technical scheme:
when the ladder is unfolded, the two auxiliary upright posts 6 are stretched at first, the auxiliary upright posts 6 rotate along with the pedal 4, when the pedal 4 rotates to a horizontal state, the adjusting sliding seat 9 is slid, the unfolding clamping strip 1 moves to a set position, the adjusting sliding seat 9 is locked through the locking pin 10 (a locking hole is formed in the side face of the main upright post 3, after the adjusting sliding seat 9 is adjusted in place, the locking pin 10 can be pinned into the locking hole), at the moment, the unfolding clamping strip 1 is clamped into the clamping groove 14, the angle of the pedal 4 is blocked, and therefore the pedal 4 cannot rotate when in use, otherwise, when the ladder needs to be folded, only the adjusting sliding seat 9 needs to be moved downwards again, the unfolding clamping strip 1 moves downwards, and the folding of the ladder can be realized, and the operation is convenient and fast.
Example 4:
the embodiment provides a specific structure of a folding ladder for automatic maintenance of power dispatching, which comprises two main upright posts 3 and two auxiliary upright posts 6, wherein the two main upright posts 3 and the two auxiliary upright posts 6 are arranged in parallel, the two main upright posts 3 and the two auxiliary upright posts 6 are in one-to-one correspondence, the auxiliary upright posts 6 are positioned above the main upright posts 3, and a plurality of pedals 4 are equidistantly arranged between the main upright posts 3 and the auxiliary upright posts 6;
two corners of the pedal 4 are rotatably arranged on the inner sides of the two main upright posts 3 through first pin shafts 5, and the other two corners of the pedal 4 are rotatably arranged on the inner sides of the two auxiliary upright posts 6 through first pin shafts 5;
the lower parts of the inner sides of the two main upright posts 3 are provided with unfolding clamping strips 1, the unfolding clamping strips 1 are in sliding installation, clamping grooves 14 are formed in the lower surfaces of the pedals 4 at the bottommost parts, and the unfolding clamping strips 1 can be clamped into the clamping grooves 14 in a sliding mode.
Connecting rods 8 are arranged above and below the main upright posts 3, and the connecting rods 8 are connected with the two main upright posts 3.
The main upright 3 and the auxiliary upright 6 have a first shape and a second shape under the restriction of external constraint, the first shape is a folded shape in which the two auxiliary uprights 6 are attached to the upper sides of the inner sides of the two main uprights 3, the second shape is an unfolded shape in which the two auxiliary uprights 6 are separated from the two main uprights 3, and the expansion sheet can be controlled to expand from the first shape to the second shape.
The two ends of the unfolding clamping strip are provided with adjusting sliding seats 9, the adjusting sliding seats 9 are slidably arranged on the main upright posts 3, and one sides of the adjusting sliding seats 9 are inserted with locking pins 10.
The adjusting slide 9 adopts a structure in the shape of a Chinese character 'hui'.
The upper surface of the main upright post 3 is provided with a sliding groove 11 along the length direction, one side edge of the adjusting sliding seat 9 penetrates through the sliding groove 11, the inner side of the main upright post 3 is provided with a transverse groove 12 along the length direction, and one end of the expanding clamping strip 1 penetrates through the transverse groove 12 and is fixedly connected with the adjusting sliding seat 9.
The base 2 is installed to the bottom of stand 3, and top connecting plate 7 is installed at the top of two stand 3, and the both sides of top connecting plate 7 are rotated through second round pin axle 15 and are installed in the inboard of stand 3, are located on the stand 3 the fixed plate is installed to the both sides of top connecting plate 7, second round pin axle 15 rotates and pegs graft on the fixed plate, and the lower surface of top connecting plate 7 and the surface of stand 3 are provided with the magic subsides 16 that can bond each other.
By adopting the technical scheme:
the device is through installing top connecting plate 7 at the top of two main posts 3, and the both sides of top connecting plate 7 are installed through the rotation of second round pin axle 15, like this when passing through some platforms on this ladder, can overlap joint top connecting plate 7 on the platform, make more convenient safety when the staff goes up the platform, and lie in on the main post 3 the fixed plate is installed to the both sides of top connecting plate 7, second round pin axle 15 rotates and pegs graft on the fixed plate, the lower surface of top connecting plate 7 and the surface of main post 3 are provided with the magic subsides 16 that can bond each other, can splice it at the lower surface of ladder through magic subsides 16 through upset top connecting plate 7 in need not using top connecting plate 7 like this, guarantees that it does not influence the normal use of ladder.
Example 5:
the embodiment provides a specific structure of a folding ladder for automatic maintenance of power dispatching, which comprises two main upright posts 3 and two auxiliary upright posts 6, wherein the two main upright posts 3 and the two auxiliary upright posts 6 are arranged in parallel, the two main upright posts 3 and the two auxiliary upright posts 6 are in one-to-one correspondence, the auxiliary upright posts 6 are positioned above the main upright posts 3, and a plurality of pedals 4 are equidistantly arranged between the main upright posts 3 and the auxiliary upright posts 6;
two corners of the pedal 4 are rotatably arranged on the inner sides of the two main upright posts 3 through first pin shafts 5, and the other two corners of the pedal 4 are rotatably arranged on the inner sides of the two auxiliary upright posts 6 through first pin shafts 5;
the lower parts of the inner sides of the two main upright posts 3 are provided with unfolding clamping strips 1, the unfolding clamping strips 1 are in sliding installation, clamping grooves 14 are formed in the lower surfaces of the pedals 4 at the bottommost parts, and the unfolding clamping strips 1 can be clamped into the clamping grooves 14 in a sliding mode.
Connecting rods 8 are arranged above and below the main upright posts 3, and the connecting rods 8 are connected with the two main upright posts 3.
The main upright 3 and the auxiliary upright 6 have a first shape and a second shape under the restriction of external constraint, the first shape is a folded shape in which the two auxiliary uprights 6 are attached to the upper sides of the inner sides of the two main uprights 3, the second shape is an unfolded shape in which the two auxiliary uprights 6 are separated from the two main uprights 3, and the expansion sheet can be controlled to expand from the first shape to the second shape.
The two ends of the unfolding clamping strip are provided with adjusting sliding seats 9, the adjusting sliding seats 9 are slidably arranged on the main upright posts 3, and one sides of the adjusting sliding seats 9 are inserted with locking pins 10.
The adjusting slide 9 adopts a structure in the shape of a Chinese character 'hui'.
The upper surface of the main upright post 3 is provided with a sliding groove 11 along the length direction, one side edge of the adjusting sliding seat 9 penetrates through the sliding groove 11, the inner side of the main upright post 3 is provided with a transverse groove 12 along the length direction, and one end of the unfolding clamping strip 1 penetrates through the transverse groove 12 and is fixedly connected with the adjusting sliding seat 9.
The base 2 is installed to the bottom of main stand 3, and top connecting plate 7 is installed at the top of two main stands 3, and the both sides of top connecting plate 7 are installed in the inboard of main stand 3 through the rotation of second round pin axle 15.
A safety locking mechanism 13 is also arranged above the main upright 3, the safety locking mechanism 13 being used to lock the pedal 4 when the main upright 3 and the auxiliary upright 6 are in the second configuration.
The safety locking mechanism 13 comprises a main seat 1303, a mounting cavity 1304 is arranged in the main seat 1303, a sliding block 1302 is slidably connected in the mounting cavity 1304, a safety pin 1301 is arranged at one end of the sliding block 1302, a pin hole matched with the safety pin 1301 is formed in the side face of the pedal 4 at the uppermost position, and the safety pin 1301 is pinned in the pin hole when the main upright 3 and the auxiliary upright 6 are in the second form.
The other end of the slide block 1302 is provided with a pull rod 1306, the pull rod 1306 is sleeved with a pressing spring 1305, and one end of the pull rod 1306 extends to the outside of the main seat 1303 and is connected with a ball 1307.
By adopting the technical scheme:
the safety locking mechanism 13 is further arranged above the main upright post 3 in the ladder, the pedals 4 can be locked when the main upright post 3 and the auxiliary upright post 6 are in the second form through the safety locking mechanism 13, and the structural arrangement is that when the ladder is in the second form, namely the ladder is unfolded and used, if the unfolding clamping strip 1 is damaged, the safety locking mechanism 13 can enable the bag body to unfold the clamping strip 1 to provide protection for the ladder, so that the second form is maintained, and the safety of the device is improved;
when the safety locking mechanism 13 is used, firstly, the sliding block 1302 is pulled by the ball 1307 and the pull rod 1306 to slide in the installation cavity 1304, at the moment, the safety pin 1301 slides synchronously, when the safety pin 1301 is completely contracted into the installation cavity 1304, the ladder can be converted from the first shape into the second shape, after the ladder is converted into the second shape, the ball 1307 is released, at the moment, the sliding block 1302 pops out under the action of the elasticity of the jacking spring 1305, so that the safety pin 1301 is pinned into a pin hole formed in the side face of the uppermost pedal 4, and the pinning of the safety locking mechanism 13 is realized.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (8)
1. The utility model provides an automatic folding ladder of overhauling of power dispatching, includes two main stand (3) and two auxiliary stand (6), its characterized in that: the two main stand columns (3) and the two auxiliary stand columns (6) are arranged in parallel, the two main stand columns (3) and the two auxiliary stand columns (6) are in one-to-one correspondence, the auxiliary stand columns (6) are positioned above the main stand columns (3), and a plurality of pedals (4) are equidistantly arranged between the main stand columns (3) and the auxiliary stand columns (6);
two corners of the pedal (4) are rotatably arranged on the inner sides of the two main stand columns (3) through first pin shafts (5), and the other two corners of the pedal (4) are rotatably arranged on the inner sides of the two auxiliary stand columns (6) through first pin shafts (5);
the lower parts of the inner sides of the two main upright posts (3) are slidably provided with unfolding clamping strips (1), the lower surface of the pedal (4) positioned at the bottommost part is provided with a clamping groove (14), and the unfolding clamping strips (1) can be clamped into the clamping grooves (14) through sliding;
the main upright (3) and the auxiliary upright (6) have a first shape and a second shape under the limitation of external constraint, and the second shape is an unfolding shape that the two auxiliary uprights (6) are separated from the two main uprights (3);
a safety locking mechanism (13) is further arranged above the main upright (3), and the safety locking mechanism (13) is used for locking the pedal (4) when the main upright (3) and the auxiliary upright (6) are in the second form;
safety locking mechanism (13) are including master seat (1303), the inside installation cavity (1304) that is provided with of master seat (1303), the inside sliding connection in installation cavity (1304) has slider (1302), safety pin (1301) are installed to one end of slider (1302), are located the top pedal (4) side seted up with the pinhole of safety pin (1301) adaptation when master column (3) and auxiliary column (6) are in the second form, safety pin (1301) pin joint is in the pinhole.
2. The folding ladder for power dispatching automation maintenance of claim 1, wherein: connecting rods (8) are arranged above and below the main upright posts (3), and the connecting rods (8) are connected with the two main upright posts (3).
3. The folding ladder for power dispatching automation maintenance of claim 1, wherein: the first form is a folding form in which two auxiliary upright posts (6) are attached to the upper parts of the inner sides of the two main upright posts (3), and the main upright posts (3) and the auxiliary upright posts (6) can be controlled to expand from the first form to the second form.
4. A folding ladder for power dispatching automation maintenance according to claim 3, wherein: the two ends of the unfolding clamping strip (1) are provided with adjusting sliding seats (9), the adjusting sliding seats (9) are slidably mounted on the main upright post (3), and one side of each adjusting sliding seat (9) is inserted with a locking pin (10).
5. The folding ladder for power dispatching automation maintenance of claim 4, wherein: the adjusting sliding seat (9) adopts a 'back' type structure.
6. The folding ladder for power dispatching automation maintenance of claim 5, wherein: the upper surface of the main upright post (3) is provided with a sliding groove (11) along the length direction, one side edge of the adjusting sliding seat (9) penetrates through the sliding groove (11), the inner side of the main upright post (3) is provided with a transverse groove (12) along the length direction, and one end of the unfolding clamping strip (1) penetrates through the transverse groove (12) and then is fixedly connected with the adjusting sliding seat (9).
7. The folding ladder for power dispatching automation maintenance of claim 1, wherein: the base (2) is installed to the bottom of main stand (3), and two top connecting plate (7) are installed at the top of main stand (3), the inboard at main stand (3) is installed through second round pin axle (15) rotation in both sides of top connecting plate (7).
8. A folding ladder for power dispatching automation maintenance according to claim 3, wherein: the other end of the sliding block (1302) is provided with a pull rod (1306), and one end of the pull rod (1306) extends to the outside of the main seat (1303) and is connected with a spheroid (1307).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210241464.6A CN114575735B (en) | 2022-03-11 | 2022-03-11 | A folding ladder for power dispatching automation maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210241464.6A CN114575735B (en) | 2022-03-11 | 2022-03-11 | A folding ladder for power dispatching automation maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114575735A CN114575735A (en) | 2022-06-03 |
| CN114575735B true CN114575735B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210241464.6A Active CN114575735B (en) | 2022-03-11 | 2022-03-11 | A folding ladder for power dispatching automation maintenance |
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| CN210887836U (en) * | 2019-10-18 | 2020-06-30 | 浦江概念五金科技有限公司 | Foldable wide-pedal attic ladder |
| CN212837553U (en) * | 2020-04-28 | 2021-03-30 | 浙江洋铭实业有限公司 | Folding multi-step ladder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6951265B2 (en) * | 2003-08-04 | 2005-10-04 | Ballymore Company, Inc. | Foldable stairway ladder |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060116670A (en) * | 2005-10-21 | 2006-11-15 | 권오봉 | Folding ladder |
| CN201286503Y (en) * | 2008-11-06 | 2009-08-12 | 冷鹭浩 | Step-ladder locking mechanism |
| CN204754731U (en) * | 2015-06-25 | 2015-11-11 | 湖南衡山汽车制造有限公司 | Foldable cat ladder |
| KR101769363B1 (en) * | 2016-03-15 | 2017-08-18 | 청주대학교 산학협력단 | Ladder |
| KR20180099394A (en) * | 2017-02-28 | 2018-09-05 | 인천대학교 산학협력단 | Staircase-type ladder with folding or unfolding footplate |
| CN210887836U (en) * | 2019-10-18 | 2020-06-30 | 浦江概念五金科技有限公司 | Foldable wide-pedal attic ladder |
| CN212837553U (en) * | 2020-04-28 | 2021-03-30 | 浙江洋铭实业有限公司 | Folding multi-step ladder |
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| CN114575735A (en) | 2022-06-03 |
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