Towing hook with quick disassembly and assembly function

Abstract

The utility model discloses a towing hook with a quick disassembly and assembly function, which comprises a first pull rod, a second pull rod, a third pull rod and a fourth pull rod, a buffer part is arranged between the first pull rod and the second pull rod; the locking part is connected to one end, far away from the buffering part, of the second pull rod; and the towing hook is integrally connected and fixed to a front beam of the transportation plate trailer through the locking part. The towing hook with the quick disassembly and assembly function is simple in structure, the towing hook is connected with a girder of a transport plate trailer through the locking part, the connection stability is improved while quick disassembly and assembly are achieved, and the situation that the towing hook falls off due to manual locking is avoided; and the buffering part is arranged in the middle of the traction hook, so that the transportation plate trailer is buffered when being pulled or stopped, materials are prevented from falling off or being damaged, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile traction, especially relates to a traction hook with quick dismounting function. BACKGROUND

[0002] In the industrial workshop, small forklifts or unmanned transport trolleys are often used for material handling, and the unmanned transport trolley needs to be pulled by a tractor. After the trolley reaches the desired position, the traction hook connected thereto needs to be disconnected from the traction power source to separate and stop the trolley for picking up or unloading at the site.

[0003] The existing traction hook for transport trolleys needs to be manually tightened by hand, has poor reliability, and is slow to disassemble and assemble. In addition, the existing traction hook cannot provide a certain buffer force when in use, resulting in impact on the material after stopping, and poor practicability.

[0004] Based on the above technical problems, the skilled person in the art urgently needs to develop a traction hook with quick dismounting function, which has a simple structure, high reliability, can buffer the transport trolley when it is pulled or stopped, and prevent the material from falling off or being damaged. SUMMARY

[0005] The utility model aims at providing a traction hook with quick dismounting function, which has a simple structure, high reliability, can buffer the transport trolley when it is pulled or stopped, and prevent the material from falling off or being damaged.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model relates to a traction hook with quick dismounting function, which comprises:

[0008] A first pull rod, one end of which is provided with a connecting piece connected with the tractor; and

[0009] A second pull rod, and a buffer part is arranged between the first pull rod and the second pull rod;

[0010] The traction hook further comprises:

[0011] A locking part connected to one end of the second pull rod away from the buffer part, which integrally connects and fixes the traction hook on the front beam of the transport trolley through the locking part.

[0012] Preferably, the connecting piece is an open type lock hook fixedly connected to the first pull rod.

[0013] Preferably, the connecting piece is a closed type lock hook, and a rotating disc is connected to the tail part of the closed type lock hook, and the other end of the rotating disc is connected to the first pull rod.

[0014] Further, the buffer part is provided with a support block at both ends, and the support blocks are fixed with the first pull rod and the second pull rod respectively.

[0015] Further, the buffer part comprises two fixed blocks.

[0016] A damping telescopic rod is arranged between the two fixed blocks.

[0017] A spring is sleeved on the damping telescopic rod.

[0018] Further, the locking part comprises a limiting plate connected to the end of the second pull rod away from the buffer part.

[0019] A lower support is horizontally connected to the limiting plate.

[0020] A fixed pressing block and a movable pressing block are fixed to the upper end of the lower support, and the end faces of the fixed pressing block and the movable pressing block are provided with notches, and the two notches form a fastening cavity for fixing the girder of the transport plate vehicle.

[0021] A hydraulic cylinder is arranged at the upper end of the limiting plate.

[0022] An upper support is fixed to the upper end of the movable pressing block, and the piston rod of the hydraulic cylinder is connected to the upper support, and the hydraulic cylinder provides power to enable the movable pressing block to reciprocate towards the fixed pressing block.

[0023] Further, the lower support is provided with a sliding rail, and the bottom of the movable pressing block is provided with a sliding block matched with the sliding rail.

[0024] Preferably, the shapes of the two notches are determined according to the shape of the girder of the transport plate vehicle, and rubber protective pads are attached to the surfaces of the two notches.

[0025] In the above technical solution, the utility model provides a traction hook with quick disassembly and assembly function has the following beneficial effects:

[0026] The traction hook with quick disassembly and assembly function has simple structure, the traction hook is connected with the girder of the transport plate vehicle through the locking part, quick disassembly and assembly are realized, the stability of connection is improved, and the situation that the traction hook falls off caused by manual locking is avoided.

[0027] The utility model sets up the buffer part in the middle of the traction hook, buffers the transport plate vehicle when being pulled or stopped, prevents materials from falling off or being damaged, and improves practicability. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following only constitute some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0029] Fig. 1 The overall structure schematic diagram of the towing hook with quick disassembly and assembly function provided by the embodiments of the present application is shown in the figure.

[0030] Fig. 2 The structure schematic diagram of the locking part in the towing hook with quick disassembly and assembly function provided by the embodiments of the present application is shown in the figure.

[0031] Fig. 3 The schematic diagram of the closed locking hook in the towing hook with quick disassembly and assembly function provided by the embodiments of the present application is shown in the figure.

[0032] Fig. 4 The structure schematic diagram of the buffer part in the towing hook with quick disassembly and assembly function provided by the embodiments of the present application is shown in the figure.

[0033] Explanation of reference signs:

[0034] 1, first pull rod; 2, connecting piece; 3, second pull rod; 4, buffer part; 5, locking part; 6, supporting block;

[0035] 201, rotating disc;

[0036] 401, fixed block; 402, damping telescopic rod; 403, spring;

[0037] 50, fastening cavity; 501, limiting plate; 502, lower support; 503, fixed pressing block; 504, movable pressing block; 505, hydraulic cylinder; 506, upper support. DETAILED DESCRIPTION

[0038] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail with reference to the drawings.

[0039] Referring to Figs. 1-4 as shown in the figure;

[0040] Embodiment one, the towing hook with quick disassembly and assembly function of the present application, the towing hook comprises:

[0041] The first pull rod 1 is provided with a connecting piece 2 at one end, and is connected with the towing vehicle through the connecting piece 2; and

[0042] The second pull rod 3 is provided with a buffer part 4 between the first pull rod 1 and the second pull rod 3.

[0043] The towing hook further comprises:

[0044] A locking portion 5 connected to one end of the second pull rod 3 away from the buffer portion 4, and the towing hook is integrally connected and fixed on the front beam of the transport board vehicle through the locking portion 5.

[0045] As a preferred technical solution of the embodiment, the connecting piece 2 is an open type lock hook fixedly connected to the first pull rod 1.

[0046] As a further introduction of the embodiment, both ends of the buffer portion 4 are provided with a support block 6, and the two support blocks 6 are respectively fixedly connected to the first pull rod 1 and the second pull rod 3.

[0047] As a further introduction of the embodiment, the buffer portion 4 comprises two fixed blocks 401; and

[0048] A damping telescopic rod 402 arranged between the two fixed blocks 401;

[0049] A spring 403 sleeved on the damping telescopic rod 402. It should be noted that the spring 403 provided in the embodiment is made of industrial high-strength carbon steel spring, which has high hardness and will not be unstable during driving.

[0050] Specifically, in actual use, when the towing vehicle starts or stops, the force applied to the transport board vehicle will first pass through the buffer portion 4, and the spring 403 provides buffering by stretching or retracting, so that the transport board vehicle becomes soft when it is stressed.

[0051] As a further introduction of the embodiment, the locking portion 5 comprises a limiting plate 501 connected to one end of the second pull rod 3 away from the buffer portion 4; and

[0052] A lower support 502 horizontally connected to the limiting plate 501;

[0053] A fixed pressing block 503 and a movable pressing block 504 fixed to the upper end of the lower support 502, the end faces of the fixed pressing block 503 and the movable pressing block 504 opposite to each other are provided with notches, and the two notches form a fastening cavity 50 for fixing the girder of the transport board vehicle;

[0054] A hydraulic cylinder 505 arranged on the upper end of the limiting plate 501;

[0055] An upper support 506 fixed to the upper end of the movable pressing block 504, the piston rod of the hydraulic cylinder 505 is connected to the upper support 506, and the hydraulic cylinder 505 provides power to make the movable pressing block 504 reciprocate towards the fixed pressing block 503.

[0056] As a further introduction of the embodiment, the lower support 502 is provided with a sliding rail, and the bottom of the movable pressing block 504 is provided with a sliding block matched with the sliding rail.

[0057] In actual use, first, the lower support 502 is manually placed under the girder of the transport plate car, so that the fixed pressing block 503 is over the girder and abuts against the notch of the fixed pressing block 503, the hydraulic cylinder 505 is started to slowly push the movable pressing block 504 to the fixed pressing block 503, and finally the fastening cavity 50 is formed, when it is needed to be disassembled, the movable pressing block 504 is reversely moved away from the fixed pressing block 503 through the hydraulic cylinder 505, and the disassembly can be realized.

[0058] As a preferred technical scheme of the embodiment, the shapes of the two notches are determined according to the shape of the girder of the transport plate car, and the surfaces of the two notches are attached with protective pads made of rubber material, the protective pads are consumables and can be replaced at any time after being used for a period of time.

[0059] Embodiment two:

[0060] The utility model provides a kind of tow hook with quick disassembly and assembly function, its structure is different from embodiment one, the connecting piece 2 is a closed type lock hook, and the closed type lock hook tail portion is connected with rotating disc 201, another end of the rotating disc 201 is connected with the first pull rod 1.

[0061] In the above technical scheme, the utility model provides a kind of tow hook with quick disassembly and assembly function, with the following beneficial effects:

[0062] The utility model discloses a kind of tow hook with quick disassembly and assembly function, structure is simple, by setting locking portion connects tow hook with transport plate car girder, realize quick disassembly and assembly, improve the stability of connection, avoid the situation that tow hook falls off caused by artificial locking;

[0063] The utility model discloses a kind of tow hook with quick disassembly and assembly function, structure is simple, by setting locking portion connects tow hook with transport plate car girder, realize quick disassembly and assembly, improve the stability of connection, avoid the situation that tow hook falls off caused by artificial locking;

[0064] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, under the condition that without deviating from the spirit and scope of the utility model, the described embodiment can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection claimed by the utility model.

Claims

1. A towing hook having a quick release function, characterized in that, The traction hook comprises: a first pull rod (1) having a connecting piece (2) at one end for connecting with a towing vehicle; a second pull rod (3) having a buffer portion (4) between the first pull rod (1) and the second pull rod (3); The traction hook further comprises: a locking portion (5) connected to the second pull rod (3) at an end away from the buffer portion (4) for connecting and fixing the traction hook as a whole on a front beam of a transport board vehicle; The buffer portion (4) comprises two fixed blocks (401); and a damping telescopic rod (402) arranged between the two fixed blocks (401); a spring (403) sleeved on the damping telescopic rod (402); The locking portion (5) comprises a limiting plate (501) connected to the second pull rod (3) at an end away from the buffer portion (4); and a lower support (502) horizontally connected to the limiting plate (501); a fixed pressing block (503) and a movable pressing block (504) fixed to an upper end of the lower support (502), the fixed pressing block (503) and the movable pressing block (504) each having a notch on an end face opposite to each other, the two notches forming a fastening cavity (50) for fixing a large beam of a transport board vehicle; a hydraulic cylinder (505) arranged at an upper end of the limiting plate (501); an upper support (506) fixed to an upper end of the movable pressing block (504), a piston rod of the hydraulic cylinder (505) being connected to the upper support (506), and the hydraulic cylinder (505) providing power to enable the movable pressing block (504) to reciprocate towards the fixed pressing block (503).

2. The towing hook with quick assembly and disassembly function according to claim 1, characterized in that, The connecting piece (2) is an open type lock hook fixedly connected to the first pull rod (1).

3. The towing hook with quick assembly and disassembly function according to claim 1, characterized in that, The connecting piece (2) is a closed type lock hook, and a rotating disc (201) is connected to a tail portion of the closed type lock hook, the other end of the rotating disc (201) being connected to the first pull rod (1).

4. The towing hook with quick assembly and disassembly function according to claim 1, characterized in that, Each end of the buffer portion (4) is provided with a support block (6) fixedly connected to the first pull rod (1) and the second pull rod (3) respectively.

5. The towing hook with quick assembly and disassembly function according to claim 1, characterized in that, The lower support (502) is provided with a sliding rail, and the bottom of the movable pressing block (504) is provided with a sliding block matched with the sliding rail.

6. The towing hook with quick assembly and disassembly function according to claim 1, characterized in that, The shapes of the two notches are determined according to the shape of the large beam of the transport board vehicle, and a protective pad made of rubber is attached to the surface of each notch.

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