Dragging device for wrecker

Abstract

The utility model relates to the technical field of wrecker dragging devices, and discloses a dragging device for a wrecker, which comprises a telescopic rod. The stop lever is fixedly connected with the telescopic end of the telescopic rod, and two tire limiting rods are arranged on one side of the stop lever; and the rotation driving assembly is arranged on the stop lever and used for driving the tire limiting rod to rotate by 90 degrees, the rotation driving assembly comprises a gear and a rack, the rack moves to drive the gear to rotate, and a limiting block used for limiting sliding is arranged on one side of the rack. According to the automobile front wheel limiting device, the tire limiting rod is movably connected with the stop rod, the tire limiting rod is rotationally driven by the rotary driving assembly, so that the tire limiting rod can rotate by 90 degrees, the tire limiting rod rotating by 90 degrees is matched with the stop rod to limit and support two front wheels of an automobile, manual operation is not needed in the whole process, and the working efficiency is improved. Compared with manual installation in the prior art, the device is more convenient and efficient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of towing devices for tow trucks, in particular to a towing device for tow trucks. Background Art

[0002] As an important rescue tool on the road, the tow truck is mainly used to remove vehicles that have accidents on the road.

[0003] The prior art discloses a towing device for a tow truck and a tow truck (publication number: CN219214630U), comprising: a towing body; a steel wire rope connected to the towing body; a wheel hub hanger connected to the wheel hub of the vehicle to be rescued, and one end of the steel wire rope away from the towing body is connected to the wheel hub hanger.

[0004] The existing technology mainly uses a winch to pull a steel wire rope to drag the vehicle's wheel hub hoist. However, the operation process of this method is relatively complicated and requires manual connection of the steel wire rope to the wheel hub of the accident vehicle, which can easily cause traffic congestion during peak hours in the morning and evening. In addition, there is also an existing technology that uses a limit rod and a "7"-shaped rod to limit and lift the front wheel of the accident vehicle. This method is convenient for quick installation and towing. However, the entire installation process is manually installed, which is inefficient.

[0005] Therefore, those skilled in the art provide a towing device for a tow truck to solve the problems raised in the above background technology. Utility Model Content

[0006] The utility model mainly solves the technical problem that the existing towing device is manually connected to the accident vehicle and has low efficiency, and provides a towing device for a tow truck.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A towing device for a tow truck, comprising: a telescopic rod, one end of which is telescopic, and the other end of which is fixedly connected to the body of the tow truck; a stopper rod, which is fixedly connected to the telescopic end of the telescopic rod, and one side of the stopper rod is provided with two tire limit rods, and the tire limit rods are in an "L" shape; a rotation drive assembly, which is arranged on the stopper rod and is used to drive the tire limit rod to rotate 90 degrees. There are two groups of rotation drive assemblies, and the two groups of rotation drive assemblies are in a symmetrical state. The rotation drive assembly includes a gear and a rack, and the movement of the rack drives the gear to rotate, and one side of the rack is provided with a limit block for limited sliding.

[0009] According to the towing device for a tow truck, the barrier rod and the telescopic rod are perpendicular to each other, a connecting plate is welded and fixed at a position of the barrier rod close to one end of the tire limiting rod, there are two connecting plates, the tire limiting rod is located between the two corresponding connecting plates, a rotating shaft is provided between one end of the tire limiting rod and the two connecting plates, the rotating shaft is fixed and passes through one end of the tire limiting rod, and the rotating shaft movably passes through the two connecting plates.

[0010] According to the towing device for a tow truck, a gear is fixedly passed through the outer wall surface of the rotating shaft, the gear is located above the tire limiting rod, and the rack is movably meshed with the gear.

[0011] According to the towing device for a tow truck, an assembly block is fixedly installed at the middle position of the top wall of the barrier rod, hydraulic telescopic rods are fixedly installed on both sides of the assembly block, and the telescopic ends of the hydraulic telescopic rods are fixedly connected to moving blocks.

[0012] According to the towing device for a tow truck, one end of the moving block is fixedly connected to the back side of the corresponding rack, the moving block is located above the connecting plate, and the other end of the moving block is movably penetrated by a guide rod.

[0013] According to the towing device for a tow truck, both ends of the guide rod are fixedly connected with fixing plates, the fixing plates are fixedly mounted on the blocking rod, and the guide rod and the hydraulic telescopic rod are in parallel with each other.

[0014] According to the towing device for a tow truck, the limit block is fixedly mounted on the top wall of the barrier rod, a sliding groove is provided on the wall of one side of the limit block close to the rack, and the rack movably passes through the limit block through the sliding groove.

[0015] The utility model provides a towing device for a tow truck, which has the following beneficial effects:

[0016] (1) The present application sets an active connection between the tire limit rod and the stop rod, and sets a rotation drive assembly to rotationally drive the tire limit rod, so that the tire limit rod can be rotated 90 degrees. After rotating 90 degrees, the tire limit rod cooperates with the stop rod to limit and support the two front wheels of the car. The whole process does not require manual operation. Compared with the manual installation of the prior art, the operation of the device of the present application is more convenient and efficient.

[0017] (2) An assembly block is installed at the top of the barrier rod, and hydraulic telescopic rods are installed on both sides of the assembly block. The telescopic end of the hydraulic telescopic rod is fixedly connected to the moving block, and the moving block is fixedly connected to the rack. During operation, the telescopic end of the hydraulic telescopic rod pulls the rack to move, and the movement of the rack drives the gear to rotate, thereby driving the rotating shaft and the tire limit rod to rotate. By setting a guide rod, the moving block movably penetrates the guide rod, and the guide rod plays a guiding role for the moving block, further improving the stability of the device, and the guide rod is fixedly installed by setting a fixed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure of a towing device for a tow truck of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The three-dimensional structure of a towing device for a tow truck of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 It is a schematic diagram of the connection relationship between the tire limit rod and the connecting plate of a towing device for a tow truck of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of a rotary drive assembly of a towing device for a tow truck of the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the connection relationship between the rack and the limit block of the towing device for a tow truck.

[0023] Legend:

[0024] 10. Telescopic rod; 11. Stop rod; 12. Tire limit rod; 13. Rotation drive assembly; 14. Rotation axis; 15. Connecting plate; 16. Gear; 17. Rack; 18. Assembly block; 19. Hydraulic telescopic rod; 20. Moving block; 21. Guide rod; 22. Fixed plate; 23. Limit block; 24. Slide groove. DETAILED DESCRIPTION

[0025] like Figure 1-5 As shown: a towing device for a tow truck, comprising: a telescopic rod 10, one end of the telescopic rod 10 is telescopic, and the other end of the telescopic rod 10 is fixedly connected to the body of the tow truck; a stopper rod 11, the stopper rod 11 is fixedly connected to the telescopic end of the telescopic rod 10, and two tire limiting rods 12 are arranged on one side of the stopper rod 11, and the tire limiting rods 12 are "L" shaped; a rotating drive assembly 13, the rotating drive assembly 13 is arranged on the stopper rod 11, and is used to drive the tire limiting rods 12 to rotate 90 degrees, the rotating drive assembly 13 has two groups, and the two groups of rotating drive assemblies 13 are in a symmetrical state, and the rotating drive assembly 13 includes a gear 16 and a rack 17, the rack 17 moves to drive the gear 16 to rotate, and a limiting block 23 for limiting sliding is arranged on one side of the rack 17.

[0026] Specifically, the present application sets an active connection between the tire limit rod 12 and the barrier rod 11, and sets a rotation drive assembly 13 to rotationally drive the tire limit rod 12, so that the tire limit rod 12 can rotate 90 degrees. After rotating 90 degrees, the tire limit rod 12 cooperates with the barrier rod 11 to limit and support the two front wheels of the car. The whole process does not require manual operation. Compared with the manual installation of the prior art, the device of the present application is more convenient and efficient to operate.

[0027] The blocking rod 11 and the telescopic rod 10 are perpendicular to each other. A connecting plate 15 is welded and fixed at a position of the blocking rod 11 near one end of the tire limiting rod 12. There are two connecting plates 15. The tire limiting rod 12 is located between the two corresponding connecting plates 15. A rotating shaft 14 is arranged between one end of the tire limiting rod 12 and the two connecting plates 15. The rotating shaft 14 is fixed and penetrates one end of the tire limiting rod 12. The rotating shaft 14 movably penetrates the two connecting plates 15. The outer wall surface of the rotating shaft 14 is fixed and penetrates the gear 16. The gear 16 is located above the tire limiting rod 12, and the rack 17 is movably engaged with the gear 16.

[0028] Specifically, a connecting plate 15 is welded and fixed on the barrier rod 11, and the number of connecting plates 15 is two. The tire limiting rod 12 is located between the two connecting plates 15, and the rotating shaft 14 is movably connected to the connecting plate 15. The rotating shaft 14 is fixedly passed through the tire limiting rod 12, and the rotating shaft 14 drives the tire limiting rod 12 to rotate during the rotation of the rotating shaft 14. The connecting plate 15 is provided to limit the rotating shaft 14. The rotating shaft 14 is fixedly passed through the gear 16, and the rack 17 is movably engaged with the gear 16. The rack 17 drives the gear 16 to rotate during the movement, thereby driving the rotating shaft 14 and the tire limiting rod 12 to rotate.

[0029] An assembly block 18 is fixedly installed at the middle position of the top wall of the blocking rod 11, and hydraulic telescopic rods 19 are fixedly installed on both sides of the assembly block 18. The telescopic ends of the hydraulic telescopic rods 19 are fixedly connected to moving blocks 20. One end of the moving block 20 is fixedly connected to the back of the corresponding rack 17, and the moving block 20 is located above the connecting plate 15. The other end of the moving block 20 is movably penetrated by a guide rod 21. Both ends of the guide rod 21 are fixedly connected to a fixed plate 22, and the fixed plate 22 is fixedly installed on the blocking rod 11. The guide rod 21 and the hydraulic telescopic rod 19 are in a state of being parallel to each other.

[0030] Specifically, an assembly block 18 is installed at the top of the barrier rod 11, and hydraulic telescopic rods 19 are installed on both sides of the assembly block 18. The telescopic end of the hydraulic telescopic rod 19 is fixedly connected to the moving block 20, and the moving block 20 is fixedly connected to the rack 17. During operation, the telescopic end of the hydraulic telescopic rod 19 pulls the rack 17 to move, and the movement of the rack 17 drives the gear 16 to rotate, thereby driving the rotating shaft 14 and the tire limiting rod 12 to rotate. By setting a guide rod 21, the moving block 20 movably penetrates the guide rod 21, and the guide rod 21 plays a guiding role for the moving block 20, thereby further improving the stability of the device, and the guide rod 21 is fixedly installed by setting a fixing plate 22.

[0031] The limit block 23 is fixedly mounted on the top wall of the blocking rod 11 . A sliding groove 24 is formed on one side of the limit block 23 close to the rack 17 . The rack 17 movably passes through the limit block 23 through the sliding groove 24 .

[0032] Specifically, a limit block 23 is fixedly installed on the top of the blocking rod 11, a slide groove 24 is opened on one side of the limit block 23, and the rack 17 moves through the limit block 23 through the slide groove 24. The rack 17 slides along the slide groove 24 during movement, and the rack 17 moves more smoothly.

[0033] The working principle of the towing device for a tow truck of the present application is as follows: the tow truck brings the telescopic rod 10 and the stopper rod 11 close to the faulty vehicle, the telescopic rod 10 can be extended and retracted to adjust the position of the stopper rod 11, after the stopper rod 11 is close to the front wheel of the faulty vehicle, the telescopic end of the hydraulic telescopic rod 19 pulls the rack 17 to move during work, the rack 17 is movably engaged with the gear 16, the movement of the rack 17 drives the gear 16 to rotate, the rotating shaft 14 is fixedly passed through the gear 16 and the tire limiting rod 12, so that the rotation of the gear 16 drives the rotating shaft 14 and the tire limiting rod 12 to rotate 90 degrees, and the tire limiting rod 12 after rotating 90 degrees cooperates with the stopper rod 11 to limit and support the two front wheels of the car, and the whole process does not require manual operation. Compared with the manual installation of the prior art, the operation of the device of the present application is more convenient and efficient.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A towing device for a tow truck, characterized in that: include: A telescopic rod (10), one end of which is telescopic, and the other end of which is fixedly connected to the body of the tow truck; A barrier rod (11), wherein the barrier rod (11) is fixedly connected to the telescopic end of the telescopic rod (10), and two tire limiting rods (12) are arranged on one side of the barrier rod (11), and the tire limiting rods (12) are in an "L" shape; A rotation drive assembly (13) is arranged on the stop rod (11) and is used to drive the tire limit rod (12) to rotate 90 degrees. The rotation drive assembly (13) has two groups, and the two groups of rotation drive assemblies (13) are in a symmetrical state. The rotation drive assembly (13) includes a gear (16) and a rack (17). The rack (17) moves to drive the gear (16) to rotate. A limit block (23) for limiting sliding is arranged on one side of the rack (17).

2. The towing device for a tow truck according to claim 1, characterized in that: The blocking rod (11) and the telescopic rod (10) are in a mutually perpendicular state. A connecting plate (15) is welded and fixed at a position of the blocking rod (11) close to one end of the tire limiting rod (12). There are two connecting plates (15). The tire limiting rod (12) is located between the two corresponding connecting plates (15). A rotating shaft (14) is arranged between one end of the tire limiting rod (12) and the two connecting plates (15). The rotating shaft (14) is fixedly passed through one end of the tire limiting rod (12). The rotating shaft (14) movably passes through the two connecting plates (15).

3. The towing device for a tow truck according to claim 2, characterized in that: A gear (16) is fixedly passed through the outer wall surface of the rotating shaft (14); the gear (16) is located above the tire limiting rod (12); and the rack (17) is movably meshed with the gear (16).

4. The towing device for a tow truck according to claim 1, characterized in that: An assembly block (18) is fixedly installed at the middle position of the top wall of the blocking rod (11), hydraulic telescopic rods (19) are fixedly installed on both sides of the assembly block (18), and the telescopic ends of the hydraulic telescopic rods (19) are fixedly connected to moving blocks (20).

5. The towing device for a tow truck according to claim 4, characterized in that: One end of the moving block (20) is fixedly connected to the back of the corresponding rack (17), the moving block (20) is located above the connecting plate (15), and the other end of the moving block (20) is movably penetrated by a guide rod (21).

6. The towing device for a tow truck according to claim 5, characterized in that: Both ends of the guide rod (21) are fixedly connected to a fixing plate (22), the fixing plate (22) is fixedly mounted on the blocking rod (11), and the guide rod (21) and the hydraulic telescopic rod (19) are in a state of being parallel to each other.

7. The towing device for a tow truck according to claim 1, characterized in that: The limit block (23) is fixedly mounted on the top wall of the blocking rod (11); a sliding groove (24) is provided on a side wall of the limit block (23) close to the rack (17); the rack (17) movably passes through the limit block (23) through the sliding groove (24).

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