CN206870772U - Can automatic turning draw hook - Google Patents

Abstract

The utility model discloses a traction hook that can be turned over automatically, which comprises a traction hook body, a linkage rod and a counterweight. The traction hook body includes a base and a hook connecting body. A counterweight head is provided, and the linkage rod is composed of three sections of rods with different lengths on the same plane connected sequentially. One end of the linkage rod is connected with the hook body, and the other end of the linkage rod is equipped with a counterweight. The utility model adopts a linkage rod composed of rods with different lengths. One end is connected to the traction hook body, and the other end is connected to the counterweight. In the initial state, the whole is on the horizontal plane. Flip down, the gravity of the counterweight and the gravity of the towing hook body are transmitted to each other through the linkage rod. When the force balance is reached, the counterweight and the towing hook body are in a vertical plane, and the towing hook automatically turns over; Manpower is required, and it can be applied to material truck transportation operations, saving labor.

Description

Automatic reversible tow hook

technical field

The utility model relates to a traction hook in transportation operations, including the traction hooks of a batching vehicle, a small tractor and a trailer, in particular a traction hook that can be turned over automatically.

Background technique

When tractors and unmanned trucks are used for material truck transportation, after the material truck arrives at the site, it is necessary to decouple the traction hook connected to it from the traction power source to separate and stop the material truck for pick-up or unloading at the site. The existing towing hook usually requires manpower or additional equipment to turn the towing hook upside down, which has high labor costs and poor reliability; when it is necessary to reset the towing hook and connect it to the power mechanism, complex equipment assistance is often required, and the operating cost is high. Therefore need to design a kind of towing hook that can be turned over automatically after decoupling between the towing hook and the traction power source, and a simple accessory that makes the towing hook reset quickly.

Contents of the invention

The purpose of the utility model is to provide a traction hook that can be turned over automatically, without relying on manpower when turning over, with quick reset and reliable operation.

In order to achieve the above purpose, the technical solution adopted by the utility model is: an automatically reversible traction hook, including a traction hook body, a linkage rod and a counterweight, the traction hook body includes a base and a hook connecting body, the hook The connecting body is hinged with the base, the lower part of the hook connecting body is provided with a weight head, and the linkage rod is composed of three sections of rods with different lengths on the same plane connected sequentially. One end of the linkage rod is connected to the hook Siamese connection, the other end of the linkage rod is equipped with a counterweight.

The utility model 1) adopts a linkage rod composed of rods with different lengths. One end is connected to the traction hook body, and the other end is connected to the counterweight. In the initial state, the whole is on the horizontal plane. The effect of gravity turns downwards, and the gravity of the counterweight and the gravity of the hook body itself are transmitted to each other through the linkage rod. When the balance of force is reached, the counterweight and the tow hook body are in a vertical plane, that is, the tow hook body is in the vertical plane. Under the interaction of its own gravity and the weight of the counterweight, it can automatically turn over; it does not need to use manpower to turn the towing hook; The connected rod is longer, and the moment of the counterweight is greater than the moment of the towing hook to realize the automatic turning of the towing hook; 3) When the towing hook is automatically turned to a vertical state, it saves road space and facilitates the passage of workers or other machines. .

Further, the linkage rod is Z-shaped, including a connecting rod, and a drawing rod and a load-bearing rod connected to both ends of the connecting rod. One end of the drawing rod is welded to the hook body, and a matching heavy block. The three-section rod and the tow hook body are all in the same plane, and the gravity generated by the counterweight and the tow hook body is transmitted through the linkage rod, finally reaching the balance of force, so that the tow hook body is in a vertical state.

Furthermore, the included angle between the drawing rod and the connecting rod is 90 degrees, and the drawing rod and the connecting rod are directly bent from round steel; the angle between the connecting rod and the load-bearing rod The included angle is 90 degrees, and the connecting rod and the load-bearing rod are directly bent by round steel.

Still further, one end of the drawbar is provided with a positioning installation part, and the positioning installation part is provided with a mounting hole, and the positioning installation part is installed on the skip, and the base includes a support part and a mounting part perpendicular to each other. , the supporting part is hinged with the hook, the mounting part is provided with a mounting hole, and the mounting part is mounted on a skip. The positioning installation part can fix the longer drawbar on the material truck, and the installation part of the base can fix the drawhook body on the material truck, which is stable and reliable, preventing the drawbar from shaking too long, and the drawhook body moves with the feeder vehicle And move, the fulcrum that positioning installation part and the installation part of base are used as the fulcrum of traction hook body turnover jointly.

Further, it also includes a slide table, the slide table is provided with an inclined lifting surface, a horizontal holding surface and a support installation part, and the support installation part includes a vertical support plate and a bottom surface, and the slide table can place the counterweight The lifting of the block makes the towing hook body return to a horizontal state. The holding surface can keep the counterweight at a high position after being lifted along the lifting surface, and the height of the holding surface should be designed enough to make the load-bearing bar change from a vertical state to a horizontal state, that is, the counterweight is moved by the slide table Lift 90 degrees, the tow hook body rotates 90 degrees to reset from the vertical state to the horizontal state, and the tow hook can be connected to the power mechanism after reaching the horizontal state.

Further, at least one reinforcing rib is provided between the bottom surface and the lifting surface or/and the holding surface. The ribs make the slide table more firm as a whole.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the tow hook of the present invention in the vertical direction after being overturned.

Fig. 2 is a structural schematic diagram of the utility model in the horizontal direction after the towing hook is laid down.

Fig. 3 is a structural schematic diagram of the slide table of the present invention.

Fig. 4 is a schematic diagram of the sliding table lifting the counterweight during the reset process of the present invention.

Fig. 5 is a schematic diagram of the structure of the utility model where the counterweight is located on the retaining surface of the slide table after the reset is completed.

Fig. 6 is a schematic diagram of a specific use scene of the present invention.

detailed description

The utility model will be described in further detail below in conjunction with the accompanying drawings to facilitate a clearer understanding of the utility model, but the utility model is not limited to the following specific embodiments.

As shown in Fig. 1 and Fig. 2, the utility model is a tow hook that can be turned over automatically, including a tow hook body 1, a linkage rod 2 and a counterweight 3, the tow hook body 1 includes a base 1.1 and a hook connecting body 1.2, the hook The connecting body 1.2 and the base 1.1 are hinged so that they can rotate relative to each other. The lower part of the hook connecting body 1.2 is provided with a weight head, the middle is a connecting plate, and the upper part is a connecting ring; the base 1.1 includes a supporting part and a mounting part, and the supporting part is perpendicular to the installation part, the support part is hinged with the hook body, the installation part is provided with a mounting hole, the installation part is installed on the feeder, and the installation part is connected with the feeder through bolts as one of the turning fulcrums of the traction hook body 1; the linkage rod 2 is Z type, composed of three sections of rods with different lengths connected in sequence on the same plane, the diameter of the linkage rod 2 is 14mm, which are respectively the draw bar 2.1 welded to the hook connecting body 1.2 at one end and the connection connected to the other end of the draw bar 2.1 Bar 2.2 and the load-bearing bar 2.3 that links to each other with the other end of connecting rod 2.2, draw bar 2.1 and hook connecting body 1.2 form one, all can rotate relative to base 1.1, the length of draw bar 2.1 can be selected as 290mm, and the length of connecting bar can be The length of the vertical rod 2.3 can be selected as 190mm, and the length of the vertical rod 2.3 can be selected as 100mm. The three rods can be welded and the joints can be chamfered, or round steel can be bent in proportion. The traction rod 2.1 is parallel to the load-bearing rod 2.3, and the connecting rod 2.2 Respectively connected to one end of the drawbar 2.1 and the load-bearing bar 2.3 and the connecting bar 2.2 is perpendicular to the drawbar 2.1; the counterweight 3 is installed on the load-bearing bar 2.3, specifically the free end of the load-bearing bar 2.3 can be used as a restrictive structure to prevent the counterweight 3 The balance weight is made of round steel into a cylinder with a diameter of 55mm and a height of 80mm, and a central through hole with a diameter of 14.5mm is drilled, and both ends are chamfered; the draw bar 2.1 is longer than the load bar 2.3, and the draw bar 2.1 is longer than the connecting bar 2.2 ; One end of the drawbar 2.1 is provided with a positioning installation part 2.4 near the part of the connecting rod 2.2, and the positioning installation part 2.4 is provided with a mounting hole, and the positioning installation part 2.4 is connected with the feed truck as a fulcrum for the traction hook body to overturn.

As shown in Figure 3, an automatically reversible traction hook of the present invention also includes a sliding table 4, which can be used to reset the traction hook so that it is in a horizontal down state so as to be connected with the power mechanism. The sliding table 4 is provided with an inclined lift Surface 4.1, horizontal retaining surface 4.2 and support installation part 4.3, one side of the lifting surface 4.1 is connected to one side of the horizontal surface 4.2, the support installation part 4.3 includes a vertical support plate 4.3.1 and a bottom surface 4.3.2, support plate 4.3.1 Supported at one end of the horizontal plane 4.2 and the lowest point of the lifting plane 4.1, two reinforcing ribs 4.4 are provided between the bottom plane 4.3.2, the lifting plane 4.1 and the holding plane 4.2, and the slide table 4 can lift the counterweight 3 to make the traction hook Body 1 resets to be in a horizontal state. The slide table 4 can be bent and welded by steel plates with a thickness of 5mm and a width of 80mm. The length of the retaining surface 4.2 can be made to be 300mm, and the length of the bottom surface 4.3.2 can be made to be 700mm. It is located between the retaining surface 4.2 and the bottom surface 4.3.2. The supporting plate 4.3.1 between them can be made into 300mm.

The specific working method of the present utility model is as follows, as shown in Fig. 4, Fig. 5 and Fig. 6, when the utility model is used for the transport operation of the feed truck, the bolts pass through the mounting holes of the base 1.1 and the positioning installation part 2.4 to be connected to the feed truck Above, when the hook-connected body 1.2 is connected to the power mechanism, the towing hook that can be turned over automatically is in a horizontal state, and the goods in the material truck can move forward with the power mechanism; when the material truck arrives at the station, the hook-connected body 1.2 and the power mechanism Uncoupling, there are two situations for uncoupling: the power mechanism can be carried by a mechanical automatic retractable device, such as the power mechanism of the AGV system carrying an electric retractable device, which can automatically release the hook-connected body 1.2 for decoupling; if the power mechanism carries a simple The traction device needs to use manpower to decouple the hook connecting body 1.2 from the power mechanism. In the utility model, a relatively simple traction device is used as an example to illustrate how the power mechanism realizes traction and decoupling. The traction device consists of a U-shaped steel plate 5 The two opposite sides of the steel plate 5 are respectively provided with installation holes, the pin shaft 5.1 passes through the installation hole to insert the connecting ring on the hook body 1.2, and then penetrates into the opposite installation hole, and the traction hook body 1 is connected with the traction device to realize traction When decoupling, it is only necessary to pull the pin shaft 5.1 out of the connecting ring. At this time, the traction hook body 1 is decoupled from the traction device on the power mechanism; Flip down, and then drive the entire linkage rod 2 and the tow hook body 1 to turn upwards, and then due to the gravity of the tow hook body 1 itself and the gravity of the counterweight 3 and the linkage rod 2 to form a force balance system, the tow hook body 1 is in the Vertical state, thus has finished the automatic turning over of the present utility model. When it needs to be connected to the power traction mechanism to move forward again, the material cart moves forward along the track, and the slide table 4 is set on one side of the track. As the feed car approaches the slide table 4, the counterweight 3 on the traction hook gradually approaches the slide Platform 4, the counterweight 3 moves upwards from the lower part of the lifting surface 4.1 of the sliding platform 4 to the horizontal holding surface 4.2, so that the counterweight 3 is in a horizontal state, and the traction hook body 1 is also changed from a vertical state to a horizontal one. The inverted state is convenient to be connected with the power mechanism, and finally reset, and so on.

The specific embodiments described above are only illustrative, and the limiting modifiers of the technical terms used in the utility model are only for convenience of description, and any equivalent substitution or substantially the same limitation all fall within the protection scope of the utility model Within, those skilled in the art can also derive many forms under the enlightenment of the traction hook that can be turned over automatically in the utility model without departing from the purpose of the utility model and the protection scope of the claims, and these are all described in the present invention. within the scope of protection of utility models.

Claims (6)

1. it is a kind of can automatic turning draw hook, including draw hook body (1), gangbar (2) and balancing weight (3), the traction Hook body (1) includes base (1.1) and hook disjunctor (1.2), is hinged between the hook disjunctor (1.2) and the base (1.1), institute State hook disjunctor (1.2) bottom be provided with match somebody with somebody accent, it is characterised in that：The gangbar (2) by conplane three segment length not With bar be sequentially connected composition, one end of the gangbar (2) is connected with the hook disjunctor (1.2), the gangbar (2) it is another One end is provided with balancing weight (3).

2. it is according to claim 1 can automatic turning draw hook, it is characterised in that：The gangbar (2) is Z-shaped, bag Connecting rod (2.2) is included, and is connected to the draw bar (2.1) and bearing bar (2.3) at connecting rod (2.2) both ends, the draw bar (2.1) one end is welded to connect with the hook disjunctor (1.2), and balancing weight (3) is installed on the bearing bar (2.3).

3. it is according to claim 2 can automatic turning draw hook, it is characterised in that：The draw bar (2.1) with it is described Angle between connecting rod (2.2) is 90 degree, and the draw bar (2.1) is directly bent with the connecting rod (2.2) using round steel； Angle between the connecting rod (2.2) and the bearing bar (2.3) is 90 degree, the connecting rod (2.2) and the bearing bar (2.3) directly bent using round steel.

4. it is according to claim 3 can automatic turning draw hook, it is characterised in that：One end of the draw bar (2.1) Provided with location and installation portion (2.4), the location and installation portion (2.4) is provided with mounting hole, and the location and installation portion (2.4) is installed on On truck, the base (1.1) includes orthogonal supporting part and installation portion, the supporting part and the hook disjunctor (1.2) Be hinged, the installation portion is provided with mounting hole, and the installation portion is installed on truck.

5. it is according to claim 1 can automatic turning draw hook, it is characterised in that：Also include slide unit (4), the slide unit (4) inclined lifting face (4.1), horizontal retaining surface (4.2) and support installation portion (4.3), the support installation portion are provided with (4.3) vertical supporting plate (4.3.1) and bottom surface (4.3.2) are included, balancing weight (3) lifting can be made traction by the slide unit (4) Hook body (1), which resets, is in horizontality.

6. it is according to claim 5 can automatic turning draw hook, it is characterised in that：The bottom surface (4.3.2) with it is described At least one reinforcement (4.4) is provided between lifting face (4.1) or/and the retaining surface (4.2).