Multi-target traction device for automobile test
By designing a multi-target traction device and utilizing the synergistic effect of buffer components and hook components, the problem of traditional devices being unable to simultaneously traction multiple targets has been solved, achieving efficient buffering and shock absorption as well as flexible adaptation, thereby improving the safety and efficiency of testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional vehicle testing towing devices can only tow a single target, making it difficult to meet the testing needs of multiple targets. Furthermore, they are prone to damaging the target during towing, cannot accurately simulate actual driving conditions, lack flexibility, and limit testing efficiency and scope.
A multi-target traction device was designed, comprising a tractor, a moving component, a buffer component, and a hook component. The device provides buffering and shock absorption through the synergistic action of springs and dampers, the rotating shaft adapts to different heights, the moving component adapts to complex terrain, and the hook component facilitates connection to the target object.
It improves the safety and accuracy of testing, enhances the versatility and adaptability of the device, reduces the risk of damage to the target object, and improves testing efficiency and ease of preparation.
Smart Images
Figure CN224060789U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle testing target traction technology, specifically to a multi-target traction device for vehicle testing. Background Technology
[0002] Automotive testing refers to the activities of evaluating and verifying the performance, quality, and safety of automobiles through various means and methods during the research and development and production of automobiles. It includes performance testing, quality testing, and safety testing. During the testing process, a traction device is needed to tow the target vehicle to simulate actual driving conditions. In automotive performance testing, the traction device can simulate various forces and conditions that the vehicle experiences during driving, such as acceleration, climbing, and braking, thereby more accurately evaluating the vehicle's power performance, braking performance, suspension system performance, etc.
[0003] However, during traction testing, traditional automotive testing traction devices can only traction a single target, making it difficult to meet the need to test multiple targets simultaneously. This greatly limits testing efficiency and comprehensiveness. For example, when towing multiple different types of loads, it is impossible to complete tests under various working conditions at once, requiring repeated trials and consuming a lot of time and manpower. During traction, the acceleration, deceleration of the towing vehicle, and the impact force generated by changes in road conditions are directly transmitted to the towed target, which can easily cause damage to the target and lead to test interruption. At the same time, it is impossible to accurately simulate the relatively stable traction state during actual driving, thus affecting the accuracy of test data. Moreover, some traction devices lack flexibility and are difficult to adapt to the connection requirements of targets of different heights and shapes, as well as the movement requirements of complex terrains in different test sites, which greatly limits their application scenarios and testing scope.
[0004] Therefore, a multi-object traction device for automotive testing is needed. Summary of the Invention
[0005] This utility model addresses the technical problems existing in the prior art by providing a multi-target traction device for automobile testing.
[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A multi-target traction device for automobile testing includes a tractor vehicle, a moving component is provided at the rear end of the tractor vehicle, a buffer component is provided at the rear end of the moving component, and a hook component is provided at the rear end of the buffer component; the buffer component includes a connecting frame, symmetrical connecting blocks are fixedly connected to both the left and right ends of the connecting frame, an elastic rope is fixedly connected to the rear end of the connecting block, a shaft is rotatably connected to the rear end of the connecting frame, a pair of symmetrical connecting plates are fixedly connected to the middle of the shaft, a limit block is fixedly connected to the rear end of the connecting plate, a spring is passed through the middle of the limit block, a damper is passed through the middle of the spring, a fixing block is fixedly connected to the rear end of the damper, the front end of the fixing block is fixedly connected to the rear end of the spring, the front end of the damper is fixedly connected to the front end of the spring, a positioning block is fixedly connected to the rear end of the fixing block, and a long rod is rotatably connected to the rear end of the positioning block;
[0007] Using a tractor as a power source, the rear end is connected in sequence to a moving component, a buffer component, and a hook component, forming a complete multi-target traction device for automobile testing. The components work together to achieve the traction of multiple targets.
[0008] The connecting blocks and elastic ropes at both ends of the connecting frame are used to connect the target object to be towed; the shaft is rotatably connected to the connecting frame, and the connecting plate and limiting block are fixed on the shaft. The spring and damper pass through the limiting block. The spring and damper cooperate to absorb energy when subjected to tension or impact force. The damper consumes energy, and the spring stores and releases energy to further buffer the impact; the fixing block is used to fix the rear end of the spring and damper, and the positioning block and long rod are rotatably connected to provide a connection base for the subsequent hook assembly. The buffer assembly as a whole plays a role in buffering and shock absorption, reducing the impact force between the towing vehicle and the towed target object. The rotatable shaft makes it easy to select different connection horizontal positions according to the height between the target object and the towing vehicle.
[0009] The beneficial effects of this utility model are: 1. High-efficiency buffering and shock absorption: Through the coordinated operation of the spring and the damper, as well as the auxiliary buffering of the elastic rope, the traction device can effectively reduce the impact force on the towed target objects during the starting, braking or driving of the tractor; this not only reduces the risk of damage to the target objects due to uneven force, but also ensures that the test target objects can remain stable under various complex road conditions, greatly improving the safety and reliability of the test process and ensuring the accuracy of the test data.
[0010] 2. Flexible Adaptability and Adjustment: The rotatable axle design allows for flexible selection of different connection horizontal positions based on the height difference between the target object and the tractor. At the same time, the wheels and rotatable axle in the moving components enable the entire traction device to easily adapt to the terrain of different test sites and move smoothly on roads with different slopes and flatness, enhancing the device's versatility and adaptability in various test environments and reducing test limitations caused by site factors.
[0011] 3. Convenient and stable connection: The tension spring in the hook assembly works with the hook to provide a certain amount of buffering and tension adjustment when hooking the target object, ensuring a stable connection. In addition, the slider on the outer wall of the hook and the groove on the inner wall of the sleeve are matched with each other, ensuring the stability and accuracy of the hook's sliding. This allows operators to complete the hooking operation of multiple targets more conveniently and quickly, improving the efficiency of the pre-test preparation work and reducing the test time cost. Attached Figure Description
[0012] Figure 1 This is an overall drawing of the present utility model;
[0013] Figure 2 This is an overall exploded view of the present invention;
[0014] Figure 3 This is an exploded view of the mobile component of this utility model;
[0015] Figure 4 This is a schematic diagram of the buffer component of this utility model;
[0016] Figure 5 This is a cross-sectional view of the sleeve in the hook and hanger assembly of this utility model.
[0017] The attached diagram lists the components represented by each number as follows:
[0018] 1. Tractor, 2. Moving assembly, 3. Buffer assembly, 4. Hook assembly, 201. Mounting base, 202. Shaft, 203. Wheel, 204. Cover plate, 301. Connecting frame, 302. Connecting block, 303. Elastic rope, 304. Shaft, 305. Connecting piece, 306. Limiting block, 307. Damper, 308. Spring, 309. Fixing block, 310. Positioning block, 311. Long rod, 401. Connector, 402. Sleeve, 403. Tension spring, 404. Hook. Detailed Implementation
[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0020] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0021] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to implement and use the present invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the present invention with unnecessary detail. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.
[0022] Example 1: A multi-target towing device for automobile testing includes a towing vehicle 1. A moving component 2 is located at the rear end of the towing vehicle 1. A buffer component 3 is located at the rear end of the moving component 2. A hook component 4 is located at the rear end of the buffer component 3. The buffer component 3 includes a connecting frame 301. Symmetrical connecting blocks 302 are fixedly connected to both ends of the connecting frame 301. An elastic rope 303 is fixedly connected to the rear end of each connecting block 302. A shaft 304 is rotatably connected to the rear end of the connecting frame 301. A pair of symmetrical... A connecting piece 305 is fixedly connected to a limiting block 306 at its rear end. A spring 308 is passed through the middle of the limiting block 306. A damper 307 is passed through the middle of the spring 308. A fixing block 309 is fixedly connected to the rear end of the damper 307. The front end of the fixing block 309 is fixedly connected to the rear end of the spring 308. The front end of the damper 307 is fixedly connected to the front end of the spring 308. A positioning block 310 is fixedly connected to the rear end of the fixing block 309. A long rod 311 is rotatably connected to the rear end of the positioning block 310.
[0023] Using the tractor 1 as a power source, the rear end is connected in sequence to the moving component 2, the buffer component 3 and the hook component 4 to form a complete multi-target traction device for automobile testing. The components cooperate with each other to achieve the traction of multiple targets.
[0024] The connecting blocks 302 and elastic ropes 303 at both ends of the connecting frame 301 are used to connect the target object to be towed; the shaft 304 is rotatably connected to the connecting frame 301, the connecting plate 305 and the limiting block 306 are fixed on the shaft 304, the spring 308 and the damper 307 pass through the limiting block 306, the spring 308 and the damper 307 cooperate, when subjected to tension or impact, the damper 307 consumes energy, and the spring 308 stores and releases energy, further buffering; the fixing block 309 is used to fix the rear end of the spring 308 and the damper 307, the positioning block 310 and the long rod 311 are rotatably connected, providing a connection base for the subsequent connection of the hook assembly 4, the buffer assembly 3 as a whole plays a buffering and shock absorption effect, reducing the impact force between the towing vehicle 1 and the towed target object, and the rotatable shaft 304 makes it easy to select different connection horizontal positions according to the height between the target object and the towing vehicle 1.
[0025] Example 2: A multi-target towing device for automobile testing includes a hook assembly 4. The hook assembly 4 includes a connector 401 fixedly installed at the rear end of a long rod 311, and a sleeve 402 is fixedly connected to the rear end of the connector 401.
[0026] The connector 401 is fixedly installed at the rear end of the long rod 311, and the sleeve 402 is fixedly connected to the rear end of the connector 401. The connector 401 is used to connect the long rod 311 and the sleeve 402. The sleeve 402 provides space for the installation of the internal tension spring 403 and the hook 404, and also serves as the track for the hook 404 to slide, so that the hook assembly 4 can be connected to the long rod 311 of the buffer assembly 3, and provides a support structure for the connection function of the hook 404.
[0027] A tension spring 403 is fixedly connected inside the sleeve 402. A hook 404 is fixedly connected to the rear end of the tension spring 403. The rear end of the hook 404 passes through the rear end of the sleeve 402 and is slidably connected to the sleeve 402.
[0028] The rear end of the tension spring 403 is fixedly connected to the hook 404, which can slide within the sleeve 402. The tension spring 403 provides elastic tension. When the hook 404 hooks the target object being pulled, the tension spring 403 can play a certain role in buffering and adjusting the tension. At the same time, the hook 404 is used to directly hook multiple targets being pulled, thereby realizing the connection between the traction device and the target object.
[0029] The mobile component 2 includes a cover plate 204 fixedly installed at the bottom of the tractor 1. A mounting base 201 is fixedly connected to the bottom of the cover plate 204. A rotating shaft 202 is connected through the lower end of the mounting base 201. The rotating shaft 202 is rotatably connected to the mounting base 201.
[0030] The cover plate 204 is fixedly installed at the bottom of the tractor 1, and the mounting base 201 is fixedly connected to the bottom of the cover plate 204. The rotating shaft 202 passes through the mounting base 201 and is rotatably connected to the mounting base 201. The cover plate 204 plays a certain protective and connecting role. The mounting base 201 provides an installation position for the rotating shaft 202. The rotatable connection between the rotating shaft 202 and the mounting base 201 allows the moving component 2 to rotate relative to the tractor 1.
[0031] Wheels 203 are fixedly connected to both the left and right ends of the rotating shaft 202;
[0032] Wheels 203 are fixedly connected to the left and right ends of the rotating shaft 202. The presence of wheels 203 enables the traction device to move on the ground, providing support and rolling function for movement, making it convenient for the traction vehicle 1 to move multiple targets to different test sites.
[0033] The connecting bracket 301 is U-shaped;
[0034] The connecting frame 301 is U-shaped. The U-shaped connecting frame 301 provides a suitable spatial structure for the installation of parts such as the connecting block 302 and the shaft 304. At the same time, this shape is conducive to dispersing the force during traction and enhancing the structural stability of the buffer assembly 3.
[0035] The outer wall of the hook 404 is fixedly connected with multiple symmetrical sliders;
[0036] Multiple symmetrical sliders are fixedly connected to the outer wall of the hook 404. The presence of the sliders makes the hook 404 more stable when sliding inside the sleeve 402, preventing the hook 404 from deviating or shaking during the sliding process, and ensuring that the hook 404 can accurately hook and connect to the target object being pulled.
[0037] The inner wall of the sleeve 402 is provided with multiple grooves that are adapted to the slider;
[0038] The inner wall of the sleeve 402 is provided with multiple grooves that fit the slider. The grooves cooperate with the slider to provide guidance and constraint for the sliding of the hook 404, further ensuring the stability and accuracy of the hook 404 sliding in the sleeve 402, and also enhancing the structural fit and reliability of the hook assembly 4.
[0039] Please see Figure 4 , Figure 4 This is a schematic diagram of an embodiment of a multi-object traction device buffer for automobile testing provided by this utility model. (See attached diagram.) Figure 4As shown, this utility model embodiment provides a multi-target towing device for automobile testing, including a towing vehicle 1. A moving component 2 is located at the rear end of the towing vehicle 1, a buffer component 3 is located at the rear end of the moving component 2, and a hook component 4 is located at the rear end of the buffer component 3. The buffer component 3 includes a connecting frame 301, with symmetrical connecting blocks 302 fixedly connected to both ends of the connecting frame 301. An elastic rope 303 is fixedly connected to the rear end of each connecting block 302. A shaft 304 is rotatably connected to the rear end of the connecting frame 301, and a hook component 304 is fixedly connected to the middle of the shaft 304. A pair of symmetrical connecting pieces 305, with a limit block 306 fixedly connected to the rear end of the connecting piece 305, a spring 308 passing through the middle of the limit block 306, a damper 307 passing through the middle of the spring 308, a fixing block 309 fixedly connected to the rear end of the damper 307, a front end of the fixing block 309 fixedly connected to the rear end of the spring 308, a front end of the damper 307 fixedly connected to the front end of the spring 308, a positioning block 310 fixedly connected to the rear end of the fixing block 309, and a long rod 311 rotatably connected to the rear end of the positioning block 310.
[0040] Using the tractor 1 as a power source, the rear end is connected in sequence to the moving component 2, the buffer component 3 and the hook component 4 to form a complete multi-target traction device for automobile testing. The components cooperate with each other to achieve the traction of multiple targets.
[0041] The connecting blocks 302 and elastic ropes 303 at both ends of the connecting frame 301 are used to connect the target object to be towed; the shaft 304 is rotatably connected to the connecting frame 301, the connecting plate 305 and the limiting block 306 are fixed on the shaft 304, the spring 308 and the damper 307 pass through the limiting block 306, the spring 308 and the damper 307 cooperate, when subjected to tension or impact, the damper 307 consumes energy, and the spring 308 stores and releases energy, further buffering; the fixing block 309 is used to fix the rear end of the spring 308 and the damper 307, the positioning block 310 and the long rod 311 are rotatably connected, providing a connection base for the subsequent connection of the hook assembly 4, the buffer assembly 3 as a whole plays a buffering and shock absorption effect, reducing the impact force between the towing vehicle 1 and the towed target object, and the rotatable shaft 304 makes it easy to select different connection horizontal positions according to the height between the target object and the towing vehicle 1.
[0042] Please see Figure 5 , Figure 5 This is a schematic diagram illustrating an embodiment of the multi-target traction device for automobile testing, provided by this utility model. (See attached diagram.) Figure 5 As shown, this embodiment provides a multi-target towing device for automobile testing, including a hook assembly 4. The hook assembly 4 includes a connector 401 fixedly installed at the rear end of a long rod 311, and a sleeve 402 is fixedly connected to the rear end of the connector 401.
[0043] The connector 401 is fixedly installed at the rear end of the long rod 311, and the sleeve 402 is fixedly connected to the rear end of the connector 401. The connector 401 is used to connect the long rod 311 and the sleeve 402. The sleeve 402 provides space for the installation of the internal tension spring 403 and the hook 404, and also serves as the track for the hook 404 to slide, so that the hook assembly 4 can be connected to the long rod 311 of the buffer assembly 3, and provides a support structure for the connection function of the hook 404.
[0044] A tension spring 403 is fixedly connected inside the sleeve 402. A hook 404 is fixedly connected to the rear end of the tension spring 403. The rear end of the hook 404 passes through the rear end of the sleeve 402 and is slidably connected to the sleeve 402.
[0045] The rear end of the tension spring 403 is fixedly connected to the hook 404, which can slide within the sleeve 402. The tension spring 403 provides elastic tension. When the hook 404 hooks the target object being pulled, the tension spring 403 can play a certain role in buffering and adjusting the tension. At the same time, the hook 404 is used to directly hook multiple targets being pulled, thereby realizing the connection between the traction device and the target object.
[0046] The mobile component 2 includes a cover plate 204 fixedly installed at the bottom of the tractor 1. A mounting base 201 is fixedly connected to the bottom of the cover plate 204. A rotating shaft 202 is connected through the lower end of the mounting base 201. The rotating shaft 202 is rotatably connected to the mounting base 201.
[0047] The cover plate 204 is fixedly installed at the bottom of the tractor 1, and the mounting base 201 is fixedly connected to the bottom of the cover plate 204. The rotating shaft 202 passes through the mounting base 201 and is rotatably connected to the mounting base 201. The cover plate 204 plays a certain protective and connecting role. The mounting base 201 provides an installation position for the rotating shaft 202. The rotatable connection between the rotating shaft 202 and the mounting base 201 allows the moving component 2 to rotate relative to the tractor 1.
[0048] Wheels 203 are fixedly connected to both the left and right ends of the rotating shaft 202;
[0049] Wheels 203 are fixedly connected to the left and right ends of the rotating shaft 202. The presence of wheels 203 enables the traction device to move on the ground, providing support and rolling function for movement, making it convenient for the traction vehicle 1 to move multiple targets to different test sites.
[0050] The connecting bracket 301 is U-shaped;
[0051] The connecting frame 301 is U-shaped. The U-shaped connecting frame 301 provides a suitable spatial structure for the installation of parts such as the connecting block 302 and the shaft 304. At the same time, this shape is conducive to dispersing the force during traction and enhancing the structural stability of the buffer assembly 3.
[0052] The outer wall of the hook 404 is fixedly connected with multiple symmetrical sliders;
[0053] Multiple symmetrical sliders are fixedly connected to the outer wall of the hook 404. The presence of the sliders makes the hook 404 more stable when sliding inside the sleeve 402, preventing the hook 404 from deviating or shaking during the sliding process, and ensuring that the hook 404 can accurately hook and connect to the target object being pulled.
[0054] The inner wall of the sleeve 402 is provided with multiple grooves that are adapted to the slider;
[0055] The inner wall of the sleeve 402 is provided with multiple grooves that fit the slider. The grooves cooperate with the slider to provide guidance and constraint for the sliding of the hook 404, further ensuring the stability and accuracy of the hook 404 sliding in the sleeve 402, and also enhancing the structural fit and reliability of the hook assembly 4.
[0056] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.
[0057] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
Claims
1. A multi-object towing device for automotive testing, characterized in that, Including the tractor (1), the rear end of the tractor (1) is provided with a moving assembly (2), the rear end of the moving assembly (2) is provided with a buffer assembly (3), the rear end of the buffer assembly (3) is provided with a hooking assembly (4); The buffer assembly (3) comprises a connecting frame (301), the left and right ends of the connecting frame (301) are fixedly connected with symmetric connecting blocks (302), the rear end of the connecting block (302) is fixedly connected with an elastic rope (303), the rear end of the connecting frame (301) is rotatably connected with a shaft rod (304), the middle part of the shaft rod (304) is fixedly connected with a pair of symmetric connecting plates (305), the rear end of the connecting plate (305) is fixedly connected with a limiting block (306), the middle part of the limiting block (306) penetrates through a spring (308), the middle part of the spring (308) penetrates through a damper (307), the rear end of the damper (307) is fixedly connected with a fixed block (309), the front end of the fixed block (309) is fixedly connected with the rear end of the spring (308), the front end of the damper (307) is fixedly connected with the front end of the spring (308), the rear end of the fixed block (309) is fixedly connected with a positioning block (310), the rear end of the positioning block (310) is rotatably connected with a long rod (311).
2. The multi-target towing device for automobile testing according to claim 1, wherein The hooking assembly (4) comprises a connecting head (401) fixedly installed at the rear end of the long rod (311), and the rear end of the connecting head (401) is fixedly connected with a sleeve (402).
3. The multi-target towing device for automobile testing according to claim 2, wherein The inside of the sleeve (402) is fixedly connected with a tension spring (403), the rear end of the tension spring (403) is fixedly connected with a hook (404), the rear end of the hook (404) penetrates through the rear end of the sleeve (402), and the hook (404) is in sliding connection with the sleeve (402).
4. The multi-target towing device for automobile testing according to claim 1, wherein The moving assembly (2) comprises a cover plate (204) fixedly installed at the bottom end of the tractor (1), the bottom end of the cover plate (204) is fixedly connected with a mounting base (201), the lower end of the mounting base (201) penetrates through a rotating shaft (202), and the rotating shaft (202) is in rotatable connection with the mounting base (201).
5. The multi-target towing device for automobile testing according to claim 4, wherein The left and right ends of the rotating shaft (202) are fixedly connected with wheels (203).
6. The multi-target towing device for automobile testing according to claim 1, wherein The connecting frame (301) is in the shape of "U".
7. The multi-target towing device for automobile testing according to claim 3, wherein The outer wall of the hook (404) is fixedly connected with a plurality of symmetric sliding blocks.
8. The multi-target towing device for automobile testing according to claim 3, wherein A plurality of sliding grooves matched with the sliding blocks are formed in the inner wall of the sleeve (402).