Wrecker dragging structure convenient to butt joint
By designing a convenient docking towing structure, the segmented structure of the keel bracket and hydraulic rod and the motor-driven telescopic towing arm are solved, and the existing wrecking vehicles cannot dock from multiple directions are achieved, achieving rapid docking and adaptability of the vehicle.
Patent Information
- Application Number
- CN202422111801.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-29
AI Technical Summary
Due to the limitation of the box structure of the existing wrecking vehicles, the vehicle can only enter from a single direction, resulting in the failure of the vehicle being unable to load the vehicle when the faulty vehicle loses power and the site is limited.
A convenient butt-free towing structure is designed, including a keel bracket, hydraulic rod, telescopic towing arm, lifting link and motor. The segmented structure of the keel bracket and the tow arm are realized through the driving of the hydraulic rod and motor, and the vehicle can be connected from multiple directions.
It realizes rapid docking of vehicles from multiple directions, solves the problem that vehicles cannot load vehicles, improves the convenience and adaptability of wreck-clearing vehicles, and is compatible with various vehicles and sites.
Smart Images

Figure CN222946638U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tow trucks, in particular to a towing structure of a tow truck with convenient docking. Background Art
[0002] The full name of the wrecker is road wrecker, also known as trailer, road rescue vehicle, towing vehicle, etc. It has many functions such as lifting, pulling and lifting. The wrecker is mainly used for road fault vehicles, urban illegal vehicles and emergency rescue. However, the existing wreckers have some shortcomings, such as:
[0003] The road tow truck described in application number: CN202211100079.6 uses a box structure as a load-bearing structure, which means that vehicles can only enter from a single direction. Once the faulty vehicle completely loses its power function and the site has certain limitations, it will be impossible to load the vehicle. Utility Model Content
[0004] The purpose of the utility model is to provide a towing structure for a tow truck that can be easily docked, so as to solve the problem that the equipment on the existing market proposed in the above-mentioned background technology uses a box structure as a load-bearing structure, resulting in that the vehicle can only enter from a single direction. Once the faulty vehicle completely loses its power function and the site has certain limitations, it will become impossible to load the vehicle.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient docking towing structure for a tow truck, comprising a keel bracket, a first hydraulic rod, a first telescopic towing arm, a lifting connecting rod and a third hydraulic rod;
[0006] A first hydraulic rod is installed on the right side of the keel bracket, and a second supporting wheel is arranged below the first hydraulic rod;
[0007] A second load-bearing frame is installed on the right side of the keel bracket, a second hydraulic rod is installed on the left side of the second load-bearing frame, and a first telescopic trailing arm is installed on the right side of the second load-bearing frame. A threaded rod is installed on the right side of the keel bracket, and a lifting connecting rod and a first supporting wheel are arranged on the side of the threaded rod. A telescopic sleeve is installed on the right side of the keel bracket, and a motor, a second telescopic trailing arm and a first load-bearing frame are installed on the right side of the telescopic sleeve, and a third hydraulic rod is arranged on the left side of the second telescopic trailing arm.
[0008] As a preferred technical solution of the utility model, a connector is provided on the left side of the keel bracket, and the keel bracket is divided into two sections. The upper surface of the keel bracket is fixedly connected to the first hydraulic rod, and the installation position of the first hydraulic rod is the connection between the two sections of the keel bracket. The left part of the keel bracket is an inclined structure.
[0009] By adopting the above technical solution, the equipment divides the keel bracket into two sections, and the left part of the keel bracket is an inclined structure. The right part of the keel bracket can be completely lifted up through the first hydraulic rod and the connecting head, thereby achieving folding to reduce wear and floor space.
[0010] As a preferred technical solution of the utility model, the second bearing frame is vertically fixed on both sides of the center line of the keel bracket, and the upper part of the second bearing frame is rotatably connected to the first telescopic trailing arm, and the left side of the first telescopic trailing arm is rotatably connected to the second hydraulic rod;
[0011] By adopting the above technical solution, the device can drive the first telescopic trailing arm in opposite directions through the second hydraulic rod to expand the first telescopic trailing arm outward, thereby accurately clamping the vehicle tire to achieve towing.
[0012] As a preferred technical solution of the utility model, the right side of the keel bracket is symmetrically equipped with a threaded rod, and the right side of the threaded rod is internally driven by a motor, and both ends of the threaded rod are equipped with a propulsion block, the propulsion block is connected to the keel bracket slide groove, the side of the propulsion block is rotatably connected to the lifting connecting rod, and the bottom of the lifting connecting rod is rotatably connected to the first support wheel;
[0013] By adopting the above technical solution, the device drives the propulsion block to slide inward synchronously through the threaded rod, and the lifting connecting rod can be retracted to lift the entire chassis of the device, thereby being compatible with various vehicles.
[0014] As a preferred technical solution of the utility model, the right side of the keel bracket is slidably connected to the telescopic sleeve, the right side of the telescopic sleeve is rotatably connected to the first bearing frame, and the upper surface of the first bearing frame is fixedly connected to the motor;
[0015] By adopting the above technical solution, the device fixes a motor on the upper surface of the first carrier frame, and the direction of the first carrier frame can be adjusted by the motor drive, so that the first carrier frame can quickly pass through the chassis of the vehicle, further improving the convenience of vehicle towing.
[0016] As a preferred technical solution of the utility model, the first carrier frame is a T-shaped structure as a whole, and both ends of the first carrier frame are rotatably connected to the second telescopic trailing arm, and the left side of the second telescopic trailing arm is rotatably connected to the third hydraulic rod;
[0017] By adopting the above technical solution, the device can quickly dock the two sides of the first carrier frame with the wheels by making the first carrier frame as a whole into a T-shaped structure, thereby improving the docking efficiency.
[0018] As a preferred technical solution of the present utility model, the overall structure of the keel bracket is an H-shaped structure, and the first supporting frame and the second supporting frame have the same structure at both ends.
[0019] By adopting the above technical solution, the device can be placed synchronously under the four wheels of the vehicle through the H-shaped overall structure of the keel bracket, thereby achieving traction of the four-wheel drive vehicle and further improving the functionality of the device.
[0020] Compared with the prior art, the beneficial effects of the utility model are:
[0021] 1. The equipment divides the keel bracket into two sections, and the left part of the keel bracket is an inclined structure. The right part of the keel bracket can be completely lifted up through the first hydraulic rod and the connecting head, so as to achieve folding, reduce wear and occupy area;
[0022] 2. The device drives the first telescopic trailing arm in the opposite direction through the second hydraulic rod to expand the first telescopic trailing arm outward, thereby accurately clamping the vehicle tire to achieve towing;
[0023] 3. The device drives the propulsion block to slide inward synchronously through the threaded rod, which can fold the lifting link to lift the entire chassis of the device, making it compatible with various vehicles;
[0024] 4. The device is connected to a motor fixedly on the upper surface of the first carrier, and the direction of the first carrier can be adjusted by the motor drive, so that the first carrier can quickly pass through the chassis of the vehicle, further improving the convenience of vehicle towing;
[0025] 5. The device can quickly dock the two sides of the first carrier with the wheels by making the first carrier into a T-shaped structure, thereby improving the docking efficiency;
[0026] 6. The overall H-shaped structure of the keel bracket can simultaneously place the equipment under the four wheels of the vehicle, thereby achieving traction of the four-wheel drive vehicle and further improving the functionality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 This is a side view of the structure of the utility model;
[0028] Figure 2 This is a schematic diagram of the connection structure between the lifting connecting rod and the first supporting wheel of the utility model;
[0029] Figure 3 This is a schematic diagram of the top view structure of the utility model;
[0030] Figure 4 This is a schematic diagram of the connection structure between the keel bracket and the first hydraulic rod of the utility model;
[0031] Figure 5 This is a schematic diagram of the connection structure between the second telescopic trailing arm and the first carrying frame of the utility model;
[0032] Figure 6It is a schematic diagram of the connection structure between the second telescopic trailing arm and the third hydraulic rod of the utility model.
[0033] In the figure: 1. keel bracket; 2. first hydraulic rod; 3. first telescopic trailing arm; 4. lifting connecting rod; 5. first supporting wheel; 6. threaded rod; 7. motor; 8. second telescopic trailing arm; 9. first bearing frame; 10. telescopic sleeve; 11. propulsion block; 12. second bearing frame; 13. second hydraulic rod; 14. second supporting wheel; 15. third hydraulic rod. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] See also Figure 1-6 , the technical solution of the utility model: a convenient docking towing structure of a tow truck, including a keel bracket 1, a first hydraulic rod 2, a first telescopic towing arm 3, a lifting connecting rod 4, a first supporting wheel 5, a threaded rod 6, a motor 7, a second telescopic towing arm 8, a first bearing frame 9, a telescopic sleeve 10, a propulsion block 11, a second bearing frame 12, a second hydraulic rod 13, a second supporting wheel 14 and a third hydraulic rod 15;
[0036] A first hydraulic rod 2 is installed on the right side of the keel bracket 1, and a second supporting wheel 14 is arranged below the first hydraulic rod 2;
[0037] A second bearing frame 12 is installed on the right side of the keel bracket 1, a second hydraulic rod 13 is installed on the left side of the second bearing frame 12, a connector is arranged on the left side of the keel bracket 1, and the keel bracket 1 is divided into two sections, the upper surface of the keel bracket 1 is fixedly connected to the first hydraulic rod 2, and the installation position of the first hydraulic rod 2 is the connection between the two sections of the keel bracket 1, and the left part of the keel bracket 1 is an inclined structure. By dividing the keel bracket 1 into two sections, and the left part of the keel bracket 1 is an inclined structure, the right side of the keel bracket 1 can be completely lifted up by the first hydraulic rod 2 in cooperation with the connector, so as to achieve folding to reduce wear and floor space, and a first telescopic trailing arm 3 is installed on the right side of the second bearing frame 12, and the two sides of the center line of the keel bracket 1 are vertically fixed. A second carrier frame 12 is fixed, and the second carrier frame 12 is rotatably connected to the first telescopic arm 3 on the top, and the first telescopic arm 3 is rotatably connected to the second hydraulic rod 13 on the left side. The device drives the first telescopic arm 3 in the opposite direction through the second hydraulic rod 13 to expand the first telescopic arm 3 outward, so as to accurately clamp the vehicle tire to achieve dragging. A threaded rod 6 is installed on the right side of the keel bracket 1, and the threaded rod 6 is symmetrically mounted on the right side of the keel bracket 1. The right side of the threaded rod 6 is driven by a built-in motor, and both ends of the threaded rod 6 are mounted with a propulsion block 11, and the propulsion block 11 is connected to the slide groove of the keel bracket 1. The side of the propulsion block 11 is rotatably connected to the lifting link 4, and the bottom of the lifting link 4 is rotatably connected to the first support wheel 5. The device synchronously drives the propulsion block 1 through the threaded rod 6 1 slides inwardly, the lifting link 4 can be retracted to lift the chassis of the entire device, so as to be compatible with various vehicles. The side of the threaded rod 6 is provided with a lifting link 4 and a first supporting wheel 5. A telescopic sleeve 10 is installed on the right side of the keel bracket 1. The right side of the keel bracket 1 is slidably connected to the telescopic sleeve 10. The right side of the telescopic sleeve 10 is rotatably connected to the first carrier frame 9, and the upper surface of the first carrier frame 9 is fixedly connected to the motor 7. The device is fixedly connected to the motor 7 on the upper surface of the first carrier frame 9. The direction of the first carrier frame 9 can be adjusted by driving the motor 7, so that the first carrier frame 9 can quickly pass through the chassis of the vehicle, further improving the convenience of vehicle towing. The motor 7 and the second telescopic sleeve 10 are installed on the right side of the telescopic sleeve 10. The telescopic trailing arm 8 and the first carrier frame 9 are designed as a T-shaped structure, and both ends of the first carrier frame 9 are rotatably connected to the second telescopic trailing arm 8, and the left side of the second telescopic trailing arm 8 is rotatably connected to the third hydraulic rod 15. The device can quickly dock the two sides of the first carrier frame 9 with the wheels by making the first carrier frame 9 as a whole into a T-shaped structure, thereby improving the docking efficiency. The third hydraulic rod 15 is arranged on the left side of the second telescopic trailing arm 8. The overall structure of the keel bracket 1 is an H-shaped structure, and the first carrier frame 9 and the second carrier frame 12 have the same structure at both ends. The device can be synchronously placed under the four wheels of the vehicle by making the overall structure of the keel bracket 1 into an H-shaped structure, thereby realizing the traction of the four-wheel drive vehicle, and further improving the functionality of the device.
[0038] Working principle: When using a convenient docking towing structure for a tow truck, first install the equipment at a suitable position on the engineering vehicle, then connect the power supply and hydraulic equipment. When towing operations are required, first move the vehicle to a suitable position, then extend the first load frame 9 to the bottom of the chassis of the faulty vehicle through the first hydraulic rod 2, and at this time, the first load frame 9 is parallel to the keel bracket 1. When the first load frame 9 reaches a suitable position under the vehicle tire through the hydraulic device in the telescopic sleeve 10, the motor 7 drives the first load frame 9 to rotate the first load frame 9 to a vertical state with the keel bracket 1, and then starts the second hydraulic rod 13 and the third hydraulic rod 15, unfolds the first telescopic towing arm 3 and the second telescopic towing arm 8 to clamp the four wheels of the faulty vehicle together, and then the built-in motor of the keel bracket 1 starts the threaded rod 6 to drive the propulsion block 11 to squeeze the lifting link 4 to lift the entire chassis of the vehicle to achieve rapid towing.
[0039] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A towing structure for a tow truck with convenient docking, comprising a keel bracket (1), a first hydraulic rod (2), a first telescopic towing arm (3), a lifting connecting rod (4) and a third hydraulic rod (15); A first hydraulic rod (2) is installed on the right side of the keel bracket (1), and a second supporting wheel (14) is arranged below the first hydraulic rod (2); Features: A second bearing frame (12) is installed on the right side of the keel bracket (1), a second hydraulic rod (13) is installed on the left side of the second bearing frame (12), and a first telescopic trailing arm (3) is installed on the right side of the second bearing frame (12); a threaded rod (6) is installed on the right side of the keel bracket (1), and a lifting connecting rod (4) and a first supporting wheel (5) are arranged on the side of the threaded rod (6); a telescopic sleeve (10) is installed on the right side of the keel bracket (1), and a motor (7), a second telescopic trailing arm (8) and a first bearing frame (9) are installed on the right side of the telescopic sleeve (10); and a third hydraulic rod (15) is arranged on the left side of the second telescopic trailing arm (8).
2. A convenient docking towing structure for a tow truck according to claim 1, characterized in that: A connecting head is arranged on the left side of the keel bracket (1), and the keel bracket (1) is divided into two sections. The upper surface of the keel bracket (1) is fixedly connected to the first hydraulic rod (2), and the installation position of the first hydraulic rod (2) is the connection point of the two sections of the keel bracket (1). The left side of the keel bracket (1) is an inclined structure.
3. A towing structure for a tow truck with convenient docking according to claim 2, characterized in that: The second bearing frame (12) is vertically fixed on both sides of the center line of the keel bracket (1), and the upper part of the second bearing frame (12) is rotatably connected to the first telescopic trailing arm (3), and the left side of the first telescopic trailing arm (3) is rotatably connected to the second hydraulic rod (13).
4. A towing structure for a tow truck with convenient docking according to claim 3, characterized in that: The threaded rod (6) is symmetrically mounted on the right side of the keel bracket (1), and the right side of the threaded rod (6) is internally driven by a motor, and thrust blocks (11) are mounted on both ends of the threaded rod (6), and the thrust blocks (11) are connected to the sliding groove of the keel bracket (1), and the thrust blocks (11) are rotatably connected to the lifting connecting rod (4) at the side, and the lifting connecting rod (4) is rotatably connected to the first support wheel (5) at the bottom.
5. A towing structure for a tow truck with convenient docking according to claim 4, characterized in that: The right side of the keel bracket (1) is slidably connected to a telescopic sleeve (10), the right side of the telescopic sleeve (10) is rotatably connected to a first bearing frame (9), and the upper surface of the first bearing frame (9) is fixedly connected to a motor (7).
6. The towing structure for a tow truck with convenient docking according to claim 5, characterized in that: The first bearing frame (9) is a T-shaped structure as a whole, and both ends of the first bearing frame (9) are rotatably connected to the second telescopic trailing arm (8), and the left side of the second telescopic trailing arm (8) is rotatably connected to the third hydraulic rod (15).
7. A towing structure for a tow truck with convenient docking according to claim 6, characterized in that: The overall structure of the keel bracket (1) is an H-shaped structure, and the first supporting frame (9) and the second supporting frame (12) have the same structure at both ends.
Citation Information
Patent Citations
A type of road clearing vehicle
CN115303166B