A CAN bus load impact testing device

Abstract

The utility model relates to impact pressure test technical field discloses a kind of impact testing devices of CAN bus load, including rotary motor, the front side of rotary motor is provided with hydraulic motor, the front side of rotary motor is provided with self-lifting mechanism, the self-lifting mechanism is used for the weight and height of impact block is conveniently adjusted, the rear side of hydraulic motor is provided with replacement mechanism, the replacement mechanism is used for the CAN bus of quick replacement to be tested, the self-lifting mechanism includes front connecting rod, the left side of front connecting rod is fixedly connected in the right side of rotary motor, the right side of front connecting rod is rotatably connected with side driving shaft, the right side of side driving shaft is rotatably connected with front connecting frame. In the utility model, the rear side is provided with the rotating shaft that can quickly adjust impact weight block height, only need to be rotated by driving member driving rotating shaft, impact weight block can be quickly pulled up, and the initial height of impact weight block is quickly changed.

Description

Technical Field

[0001] This utility model relates to the field of impact pressure testing technology, and in particular to an impact testing device for a CAN bus load. Background Technology

[0002] The CAN bus load impact testing device is a device used to simulate impact environment tests on the load connected to the CAN bus system. It includes a test platform, impact mechanism, load fixing components, data acquisition module and control unit core. It can apply a specific form of impact force to the CAN bus load through the impact generating mechanism, providing hardware support and data basis for evaluating the impact resistance performance of the CAN bus load.

[0003] The purpose of the CAN bus load impact testing device is to simulate the impact conditions encountered by the CAN bus load in actual use scenarios. By testing the functional stability, signal transmission reliability and structural integrity of the CAN bus load under different impact intensities, it determines whether the CAN bus load meets the design standards and usage requirements. This provides key technical support for the product quality testing and reliability verification of the CAN bus load, and ensures the stable operation of the CAN bus system under complex impact environments.

[0004] Currently, the relative height adjustment of CAN bus load impact testing devices on the market relies on manual replacement of support components. The entire adjustment process is cumbersome and time-consuming. Existing devices use a fixed counterweight design for impact weight adjustment. If the impact weight needs to be changed, the original counterweight must be removed and replaced with a counterweight of different weight. The operation steps are complicated, and the replacement and installation of the counterweight is prone to errors, making it difficult to adjust the impact weight quickly and accurately. As a result, the testing device cannot flexibly adapt to the diverse impact testing needs of different CAN bus loads, reducing testing efficiency and flexibility. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an impact testing device for CAN bus loads, aiming to improve the problem that existing technologies are difficult to quickly adjust impact weight and force.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an impact testing device for a CAN bus load, comprising a rotary motor, a hydraulic motor disposed on the front side of the rotary motor, a self-lifting mechanism disposed on the front side of the rotary motor, the self-lifting mechanism being used to conveniently adjust the weight and height of the impact block, and a replacement mechanism disposed on the rear side of the hydraulic motor, the replacement mechanism being used to quickly replace the CAN bus to be tested.

[0007] The self-lifting mechanism includes a front connecting rod. The left side of the front connecting rod is fixedly connected to the right side of the rotary motor. The right side of the front connecting rod is rotatably connected to a side drive shaft. The right side of the side drive shaft is rotatably connected to a front connecting frame. The bottom of the front connecting frame is fixedly connected to a bottom connecting plate. The front side of the bottom connecting plate is fixedly connected to a main frame. The bottom inner side of the main frame is fixedly connected to a main connecting plate. The top of the main connecting plate is fixedly connected to two sliding rods. The bottom outer wall of each of the two sliding rods is provided with a safety assembly. The top of each of the two sliding rods is fixedly connected to an upper support plate. The top of the upper support plate is provided with a top connecting assembly. The bottom of the upper support plate is provided with a weight replacement assembly. The rear side of the upper support plate is provided with a rear lifting assembly.

[0008] As a further description of the above technical solution:

[0009] The replacement mechanism includes a front connecting piece, the front side of which is fixedly connected to the rear side of a hydraulic motor. A main hydraulic push rod is fixedly connected to the rear side of the front connecting piece. A rear quick-release assembly is provided on the rear side of the outer wall of the main hydraulic push rod. A sliding frame is fixedly connected to the bottom rear side of the front connecting piece. A rear connecting plate is fixedly connected to the rear side of the sliding frame. A placement assembly is provided on the top of the rear connecting plate.

[0010] As a further description of the above technical solution:

[0011] The protection component includes an upper connector, the top of which is fixedly connected to the bottom of the sliding rod, and a high-pressure spring is fixedly connected to the bottom of the upper connector.

[0012] As a further description of the above technical solution:

[0013] The top connection assembly includes a top connection column, the bottom of which is fixedly connected to the top of the upper support plate, and a top connection piece is fixedly connected to the top of the top connection column.

[0014] As a further description of the above technical solution:

[0015] The weight replacement assembly includes a weight block, the top of which is fixedly connected to the bottom of the upper support plate, and the bottom of the weight block is threaded with multiple quick-release holes.

[0016] As a further description of the above technical solution:

[0017] The rear lifting assembly includes a rear connector, the front side of which is fixedly connected to the rear side of the upper support plate, and a rotating wheel is fixedly connected to the rear side of the rear connector.

[0018] As a further description of the above technical solution:

[0019] The rear quick-release assembly includes a front connecting ring, the front side of which is fixedly connected to the rear side of the main hydraulic push rod, and the rear side of which is fixedly connected to a rear connecting bolt.

[0020] As a further description of the above technical solution:

[0021] The placement assembly includes a placement block, the bottom of which is fixedly connected to the top of the rear connecting plate, and a placement slot is provided on the top of the placement block.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, a rotating shaft is provided on the rear side to quickly adjust the height of the impact weight. When it is necessary to adjust the impact weight and force, there is no need to stop the current test process. The rotating shaft can be driven by the drive component to quickly pull the impact weight upward and quickly change the initial height of the impact weight. There is no need to manually remove the original counterweight, which avoids the installation error and time loss that occur during the counterweight replacement process, shortens the adjustment cycle of impact parameters, improves the parameter adjustment efficiency of the test device and the accuracy of impact testing, and ensures the reliability of test data.

[0024] 2. In this utility model, the front side is provided with a structure for quick replacement of the CAN bus device for impact testing. This structure may specifically include a positioning slot and a telescopic linkage assembly. After completing an impact test of the CAN bus device, the tested CAN bus device can be directly removed without performing multiple disassembly operations. Then, the CAN bus device to be tested is placed into the positioning slot, eliminating the cumbersome device disassembly and assembly process in traditional testing devices, significantly reducing the interval time between two impact tests, and reducing human error caused by long-term repeated disassembly and assembly operations. Attached Figure Description

[0025] Figure 1 This is a perspective view of an impact testing device for a CAN bus load proposed in this utility model.

[0026] Figure 2 This is a right view of an impact testing device for CAN bus load proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the self-lifting mechanism in a CAN bus load impact testing device proposed in this utility model.

[0028] Figure 4 This is a schematic diagram of the weight replacement component in a CAN bus load impact testing device proposed in this utility model.

[0029] Figure 5This is a schematic diagram of the replacement mechanism in a CAN bus load impact testing device proposed in this utility model.

[0030] Legend:

[0031] 1. Rotary motor; 2. Hydraulic motor; 3. Self-lifting mechanism; 31. Front connecting rod; 32. Side drive shaft; 33. Front connecting frame; 34. Bottom connecting plate; 35. Main frame; 36. Main connecting plate; 37. Sliding rod; 38. Safety assembly; 381. Upper connecting piece; 382. High-pressure spring; 39. Upper support plate; 310. Top connecting assembly; 3101. Top connecting column; 3102. Top connecting piece; 311. Weight replacement assembly; 3111. Weight block; 3112. Quick release hole; 312. Rear lifting assembly; 3121. Rear connecting piece; 3122. Rotating wheel; 4. Replacement mechanism; 41. Front connecting piece; 42. Main hydraulic push rod; 43. Rear quick release assembly; 431. Front connecting ring; 432. Rear connecting bolt; 44. Sliding frame; 45. Rear connecting plate; 46. Placement assembly; 461. Placement block; 462. Placement slot. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figure 1 , Figure 3 and Figure 4 An embodiment of this utility model is provided: an impact testing device for a CAN bus load, including a rotary motor 1, a hydraulic motor 2 disposed on the front side of the rotary motor 1, a self-lifting mechanism 3 disposed on the front side of the rotary motor 1, the self-lifting mechanism 3 being used to conveniently adjust the weight and height of the impact block, and a replacement mechanism 4 disposed on the rear side of the hydraulic motor 2, the replacement mechanism 4 being used to quickly replace the CAN bus to be tested.

[0034] The self-lifting mechanism 3 includes a front connecting rod 31. The left side of the front connecting rod 31 is fixedly connected to the right side of the rotary motor 1. The right side of the front connecting rod 31 is rotatably connected to a side drive shaft 32. The right side of the side drive shaft 32 is rotatably connected to a front connecting frame 33. The bottom of the front connecting frame 33 is fixedly connected to a bottom connecting plate 34. The front side of the bottom connecting plate 34 is fixedly connected to a main frame 35. The bottom inner side of the main frame 35 is fixedly connected to a main connecting plate 36. The top of the main connecting plate 36 is fixedly connected to two sliding rods 37. The bottom outer wall of each of the two sliding rods 37 is provided with a safety component 38. The top of each of the two sliding rods 37 is fixedly connected to an upper support plate 39. The top of the upper support plate 39 is provided with a top connecting component 310. The bottom of the upper support plate 39 is provided with a weight replacement component 311. The rear side of the upper support plate 39 is provided with a rear lifting component 312.

[0035] Specifically, the front connecting rod 31 serves as the connecting carrier between the self-lifting mechanism 3 and the rotary motor 1. Its fixed relationship with the right side of the rotary motor 1 allows it to transmit the power generated by the rotary motor 1 to the side drive shaft 32, while also providing initial installation positioning for the side drive shaft 32. The side drive shaft 32 is rotatably connected to the right side of the front connecting rod 31, and can receive the power transmitted by the front connecting rod 31 and convert it into rotational motion, thereby driving the front connecting frame 33 to move.

[0036] The front connecting frame 33 is rotatably connected to the right side of the side drive shaft 32. Driven by the rotation of the side drive shaft 32, it can adjust its relative angle with the front connecting rod 31, while providing stable support for the bottom connecting plate 34. The bottom connecting plate 34 is fixedly connected to the bottom of the front connecting frame 33, which can bear the force transmitted by the front connecting frame 33 and evenly transmit the force to the main frame 35, ensuring the installation stability of the main frame 35. The main frame 35 is fixedly connected to the front side of the bottom connecting plate 34. As the core frame structure of the self-lifting mechanism 3, it can provide an installation platform for the main connecting plate 36, while limiting the relative positions of each component to ensure the integrity of the overall structure of the mechanism.

[0037] The main connecting plate 36 is fixedly connected to the bottom inner side of the main frame 35, which can transfer the supporting force of the main frame 35 to the sliding rod 37 and provide bottom fixed support for the sliding rod 37; the two sliding rods 37 are fixedly connected to the top of the main connecting plate 36, which can guide the upper support plate 39 to move along its axis, and at the same time provide an installation carrier for the protective component 38; the protective component 38 at the bottom of the outer wall of the two sliding rods 37 can limit the lowest moving position of the upper support plate 39 during the movement guided by the sliding rod 37, avoid direct collision between the upper support plate 39 and the main connecting plate 36, and maintain the stability of the upper support plate 39 during the movement.

[0038] The upper support plate 39 is fixedly connected to the top of the two sliding rods 37, and can support the top connection assembly 310, the weight replacement assembly 311 and the rear lifting assembly 312. At the same time, the position can be adjusted under the guidance of the sliding rods 37. The top connection assembly 310 is set on the top of the upper support plate 39 and can be connected to the external structure to be tested, so as to transfer the position adjustment of the upper support plate 39 to the external structure and realize the height adaptation of the external structure.

[0039] The weight replacement component 311 is located at the bottom of the upper support plate 39. It can change the weight borne by the upper support plate 39 by replacing its own components, thereby adjusting the overall load state of the self-lifting mechanism 3 to adapt to different tests. The rear lifting component 312 is located on the rear side of the upper support plate 39. It can provide driving force to move the upper support plate 39 along the axis of the sliding rod 37 to adjust the height of the upper support plate 39. At the same time, it coordinates with the action of the side drive shaft 32 and the front connecting frame 33 to ensure the accuracy and stability of the overall height adjustment of the self-lifting mechanism 3.

[0040] Reference Figure 1 , Figure 2 and Figure 5 The replacement mechanism 4 includes a front connecting piece 41, the front side of which is fixedly connected to the rear side of the hydraulic motor 2. A main hydraulic push rod 42 is fixedly connected to the rear side of the front connecting piece 41. A rear quick-release assembly 43 is provided on the rear side of the outer wall of the main hydraulic push rod 42. A sliding frame 44 is fixedly connected to the bottom rear side of the front connecting piece 41. A rear connecting plate 45 is fixedly connected to the rear side of the sliding frame 44. A placement assembly 46 is provided on the top of the rear connecting plate 45.

[0041] Specifically, the front connecting piece 41 serves as the connection medium between the replacement mechanism 4 and the hydraulic motor 2, transmitting the power generated by the hydraulic motor 2 to the main hydraulic push rod 42. Simultaneously, it provides a fixed support point for the sliding frame 44, ensuring the relative position of the main hydraulic push rod 42 and the sliding frame 44 within the replacement mechanism 4 is stable. The main hydraulic push rod 42 is fixedly connected to the rear side of the front connecting piece 41, receiving the power transmitted from the front connecting piece 41 and converting it into a linear telescopic motion. This telescopic motion drives the rear quick-release assembly 43 to move synchronously, providing power support for adjusting the position of the rear quick-release assembly 43.

[0042] The rear quick-release assembly 43 is located on the rear side of the outer wall of the main hydraulic push rod 42. It can change position with the extension and retraction of the main hydraulic push rod 42. When it is necessary to disassemble or assemble the external component to be replaced, the rear quick-release assembly 43 can cooperate with the external component to be replaced to realize the quick connection and separation of the external component, providing convenient conditions for replacement operation. The sliding frame 44 is fixedly connected to the bottom rear side of the front connecting piece 41. It can transmit the supporting force of the front connecting piece 41 to the rear connecting plate 45, and at the same time limit the installation direction and position of the rear connecting plate 45 to ensure that the rear connecting plate 45 remains stable in the replacement mechanism 4. The rear connecting plate 45 is fixedly connected to the rear side of the sliding frame 44. It can bear the supporting force transmitted by the sliding frame 44 and provide an installation surface for the placement assembly 46, so that the placement assembly 46 can be stably installed in the replacement mechanism 4.

[0043] The placement component 46 is located on top of the rear connecting plate 45 and can be used to place the parts to be replaced. Its cooperation with the rear connecting plate 45 can ensure that the parts to be placed remain in a fixed position during the replacement process, avoiding the impact of part displacement on the accuracy of the replacement operation. At the same time, the presence of the placement component 46 allows the parts to be replaced to be stored in a centralized manner, making it convenient for operators to quickly access them. Combined with the disassembly and assembly action of the rear quick-release component 43, the overall replacement efficiency is improved.

[0044] The front connecting plate 41 provides synchronous support for the main hydraulic push rod 42 and the sliding frame 44, ensuring that the extension and retraction of the main hydraulic push rod 42 and the rear connecting plate 45 and the placement component 46 supported by the sliding frame 44 work in tandem. When the main hydraulic push rod 42 drives the rear quick-release component 43 to perform disassembly and assembly operations, the parts to be replaced in the placement component 46 can be quickly retrieved, reducing operation waiting time. The support and position limitation of the sliding frame 44 on the rear connecting plate 45 ensures that the relative position between the placement component 46 and the rear quick-release component 43 meets the requirements of the replacement operation, avoiding obstruction of the replacement operation due to positional deviation. The coordinated action of the main hydraulic push rod 42 and the rear quick-release component 43, combined with the storage function of the placement component 46 for parts, enables the replacement mechanism 4 to continuously complete operations such as part storage, position adjustment, and quick disassembly and assembly, meeting various functional requirements during the replacement process.

[0045] Reference Figure 1 and Figure 2The support assembly 38 includes an upper connector 381, the top of which is fixedly connected to the bottom of the sliding rod 37, and a high-pressure spring 382 is fixedly connected to the bottom of the upper connector 381. The top connection assembly 310 includes a top connection post 3101, the bottom of which is fixedly connected to the top of the upper support plate 39, and a top connection piece 3102 is fixedly connected to the top of the top connection post 3101. The weight replacement assembly 311 includes a weight block 3111, the top of which is fixedly connected to the bottom of the upper support plate 39, and multiple quick-release holes are threaded to the bottom of the weight block 3111. 3112, the rear lifting assembly 312 includes a rear connector 3121, the front side of the rear connector 3121 is fixedly connected to the rear side of the upper support plate 39, and a rotating wheel 3122 is fixedly connected to the rear side of the rear connector 3121. The rear quick-release assembly 43 includes a front connecting ring 431, the front side of the front connecting ring 431 is fixedly connected to the rear side of the main hydraulic push rod 42, and a rear connecting bolt 432 is fixedly connected to the rear side of the front connecting ring 431. The placement assembly 46 includes a placement block 461, the bottom of the placement block 461 is fixedly connected to the top of the rear connecting plate 45, and a placement groove 462 is provided on the top of the placement block 461.

[0046] Specifically, the upper connector 381 in the safety component 38 is fixed to the bottom of the sliding rod 37, which can transmit the supporting force of the sliding rod 37 to the high-pressure spring 382, ​​providing top fixed support for the high-pressure spring 382. The high-pressure spring 382 is fixedly connected to the bottom of the upper connector 381. When the sliding rod 37 guides the upper support plate 39 to move downward, the bottom of the upper support plate 39 will contact the top of the high-pressure spring 382. The high-pressure spring 382 generates a buffer force through its own elastic deformation, which slows down the downward movement speed of the upper support plate 39, avoids direct collision between the upper support plate 39 and the main connecting plate 36, and maintains the stability of the upper support plate 39 during the movement, ensuring the safety of the overall structure of the self-lifting mechanism 3.

[0047] The top connecting column 3101 in the top connecting assembly 310, with its bottom fixed to the top of the upper support plate 39, can transfer the supporting force of the upper support plate 39 to the top connecting piece 3102, providing bottom support for the top connecting piece 3102. The top connecting piece 3102 is fixedly connected to the top of the top connecting column 3101 and can contact the external structure to be supported. It transfers the height of the upper support plate 39 after adjustment along the sliding rod 37 to the external structure, so that the external structure can adapt its position according to the height change of the upper support plate 39. At the same time, the top connecting piece 3102 increases the contact area with the external structure, ensuring the stability of the external structure after it is connected to the top connecting assembly 310, and meeting the support and height adjustment requirements of the self-lifting mechanism 3 for the external structure.

[0048] The weight block 3111 in the weight replacement component 311 has a fixed relationship between its top and the bottom of the upper support plate 39. It can change the total weight borne by the upper support plate 39 by its own weight, thereby adjusting the overall load state of the self-lifting mechanism 3. Multiple quick-release holes 3112 are threaded to the bottom of the weight block 3111. When it is necessary to adjust the overall weight of the weight block 3111, the weight of the weight block 3111 can be changed by the counterweight component installed in the quick-release hole 3112. The entire weight block 3111 does not need to be replaced, thus achieving quick weight adjustment. This adapts to the operating requirements of the self-lifting mechanism 3 under different load conditions and improves the flexibility of the mechanism.

[0049] The rear connector 3121 in the rear lifting assembly 312, with its front side fixed to the rear side of the upper support plate 39, can transmit the force of the upper support plate 39 to the rotating wheel 3122, providing installation support for the rotating wheel 3122. The rotating wheel 3122 is fixedly connected to the rear side of the rear connector 3121. When the rear lifting assembly 312 receives external driving force, the rotating wheel 3122 can convert the driving force through rotation, driving the rear connector 3121 and the upper support plate 39 to move along the axis of the sliding rod 37, thereby adjusting the height of the upper support plate 39. At the same time, the rotation of the rotating wheel 3122 can reduce the frictional resistance between the rear lifting assembly 312 and the external mating structure, ensuring the smoothness of the height adjustment process of the upper support plate 39 and ensuring the stable realization of the height adjustment function of the self-lifting mechanism 3.

[0050] The front connecting ring 431 in the rear quick-release assembly 43 is fixed to the rear side of the main hydraulic push rod 42. It can move synchronously with the extension and retraction of the main hydraulic push rod 42, providing a mounting carrier for the rear connecting bolt 432. The rear connecting bolt 432 is fixedly connected to the rear side of the front connecting ring 431. When it is necessary to connect an external component to be replaced, the external component can be fixed to the front connecting ring 431 through the rear connecting bolt 432, realizing a quick connection between the external component and the rear quick-release assembly 43. When it is necessary to disassemble the external component, it is only necessary to remove the rear connecting bolt 432 to separate the external component from the rear quick-release assembly 43. No complicated operation is required, realizing the quick disassembly and assembly of the external component. Combined with the extension and retraction of the main hydraulic push rod 42, it improves the replacement efficiency of the replacement mechanism 4.

[0051] The placement block 461 in the placement assembly 46, with its bottom fixed to the top of the rear connecting plate 45, can bear the supporting force transmitted by the rear connecting plate 45 and provide a foundation for the placement slot 462. The placement slot 462 is opened on the top of the placement block 461 and can be used to place the parts to be replaced. The slot structure of the placement slot 462 can limit the position of the parts to be placed, prevent the parts to be placed from shifting during the replacement process, and ensure that the operator can quickly take the parts from the placement slot 462. In conjunction with the disassembly and assembly action of the rear quick-release assembly 43, the time for taking the parts is reduced, and the overall replacement efficiency of the replacement mechanism 4 is further improved.

[0052] Working principle: When the self-lifting mechanism 3 starts its workflow, the power generated by the rotary motor 1 is transmitted to the side drive shaft 32 through the front connecting rod 31. The side drive shaft 32 rotates after receiving the power, which in turn drives the front connecting frame 33 connected to the right side to adjust its angle. During the angle adjustment of the front connecting frame 33, the bottom connecting plate 34 fixed at its bottom moves forward with it. The bottom connecting plate 34 drives the main frame 35 fixed at the front side to move synchronously. The main connecting plate 36 at the bottom of the inner side of the main frame 35 moves with the main frame 35 to the designated position. The two sliding rods 37 fixed at the top of the main connecting plate 36 remain vertical, providing a moving guide for the upper support plate 39. At this time, the rear lifting assembly 312 receives the external collaborative driving force. The rear connecting piece 3121 transmits the driving force to the rotating wheel 3122. The rotating wheel 3122 rotates and converts the driving force, driving the rear connecting piece 3121 and the upper support plate 39 to move along the axis of the sliding rod 37.

[0053] During the movement of the upper support plate 39, if the bottom approaches the main connecting plate 36, the protective component 38 at the bottom of the outer wall of the sliding rod 37 begins to function. The high-pressure spring 382 supported by the upper connector 381 contacts the bottom of the upper support plate 39, generating a buffer force through elastic deformation to slow down the downward movement of the upper support plate 39. The top connecting component 310 at the top of the upper support plate 39 moves synchronously with the upper support plate 39. The top connecting piece 3102 supported by the top connecting column 3101 contacts the external structure to be adjusted, transferring the height of the upper support plate 39 to the external structure. If it is necessary to adjust the load of the self-lifting mechanism 3, the weight is changed by installing the quick-release hole 3112 of the weight replacement component 311, thereby adjusting the load-bearing weight of the upper support plate 39.

[0054] The replacement mechanism 4 operates in conjunction with the self-lifting mechanism 3. The power generated by the hydraulic motor 2 is transmitted to the main hydraulic push rod 42 through the front connecting piece 41. After receiving the power, the main hydraulic push rod 42 extends and retracts, and the rear quick-release assembly 43 on its outer wall moves forward accordingly. If an external replacement part needs to be installed, the operator takes the part out of the placement slot 462 of the placement assembly 46. The placement slot 462 is fixed to the top of the rear connecting plate 45 by the placement block 461 to ensure that the part is stable before it is taken out. After taking out the part, the part is connected to the rear connecting bolt 432 of the rear quick-release assembly 43. The part is fixed to the front connecting ring 431 by the rear connecting bolt 432 to achieve quick installation of the part. If the part needs to be disassembled, only the rear connecting bolt 432 needs to be removed to separate the part from the rear quick-release assembly 43. The disassembled part can be put back into the placement slot 462. At the same time, the sliding bracket 44 at the bottom of the rear side of the front connecting piece 41 provides stable support for the rear connecting plate 45 to ensure that the position of the placement assembly 46 remains unchanged during the replacement process, ensuring the convenience of part retrieval and storage.

[0055] Powered by a rotary motor 1, the front connecting rod 31 and the side drive shaft 32 drive the front connecting frame 33 for adjustment. The bottom connecting plate 34, main frame 35, and main connecting plate 36 are linked. The rear lifting assembly 312 drives the upper support plate 39 to move along the sliding rod 37, the protection assembly 38 provides buffer protection, the top connecting assembly 310 transmits height, and the weight replacement assembly 311 adjusts the load. Powered by a hydraulic motor 2, the main hydraulic push rod 42 extends and retracts via the front connecting piece 41. The rear quick-release assembly 43 disassembles and installs parts, and the placement assembly 46 stores parts. The two mechanisms work together. This achieves precise adjustment of the external structure height by the self-lifting mechanism 3 and flexible load adjustment. The replacement mechanism 4 quickly completes the disassembly, assembly, and storage of parts. The overall equipment operates stably and efficiently, adapting to diverse work needs, reducing operational complexity, and improving work efficiency and equipment practicality.

[0056] During the overall collaborative operation, when the self-lifting mechanism 3 adjusts the height of the external structure, the replacement mechanism 4 can simultaneously complete the replacement preparation of relevant components, avoiding the time waste caused by the operation of a single mechanism; the protection component 38 ensures the safe movement of the upper support plate 39, providing a foundation for the stable operation of the top connection component 310 and the weight replacement component 311; the cooperation between the rear quick-release component 43 and the placement component 46 reduces the time cost of component disassembly and storage; the stable power output of the rotary motor 1 and the hydraulic motor 2 ensures that the actions of each component are continuous, and each component operates in an orderly manner according to the above process, jointly ensuring the reliable realization of the overall function of the equipment.

[0057] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An impact testing device for a CAN bus load, comprising a rotating motor (1), characterized in that: A hydraulic motor (2) is provided on the front side of the rotary motor (1), and a self-lifting mechanism (3) is provided on the front side of the rotary motor (1). The self-lifting mechanism (3) is used to conveniently adjust the weight and height of the impact block. A replacement mechanism (4) is provided on the rear side of the hydraulic motor (2). The replacement mechanism (4) is used to quickly replace the CAN bus to be tested. The self-lifting mechanism (3) includes a front connecting rod (31). The left side of the front connecting rod (31) is fixedly connected to the right side of the rotary motor (1). A side drive shaft (32) is rotatably connected to the right side of the front connecting rod (31). A front connecting frame (33) is rotatably connected to the right side of the side drive shaft (32). A bottom connecting plate (34) is fixedly connected to the bottom of the front connecting frame (33). A main frame (35) is fixedly connected to the front side of the bottom connecting plate (34). A bottom inner side of the main frame (35) is fixedly connected to... The main connecting plate (36) has two sliding rods (37) fixedly connected to its top. The bottom of the outer wall of each sliding rod (37) is provided with a protective component (38). The top of each sliding rod (37) is fixedly connected with an upper support plate (39). The top of the upper support plate (39) is provided with a top connecting component (310). The bottom of the upper support plate (39) is provided with a weight replacement component (311). The rear side of the upper support plate (39) is provided with a rear lifting component (312).

2. The impact testing device for a CAN bus load according to claim 1, characterized in that: The replacement mechanism (4) includes a front connecting piece (41), the front side of which is fixedly connected to the rear side of the hydraulic motor (2), the rear side of which is fixedly connected to a main hydraulic push rod (42), the rear side of which is provided with a rear quick-release assembly (43), the bottom rear side of which is fixedly connected to a sliding frame (44), the rear side of which is fixedly connected to a rear connecting plate (45), and the top of which is provided with a placement assembly (46).

3. The impact testing device for a CAN bus load according to claim 1, characterized in that: The protection component (38) includes an upper connector (381), the top of which is fixedly connected to the bottom of the sliding rod (37), and a high-pressure spring (382) is fixedly connected to the bottom of the upper connector (381).

4. The impact testing device for a CAN bus load according to claim 1, characterized in that: The top connection assembly (310) includes a top connection post (3101), the bottom of which is fixedly connected to the top of the upper support plate (39), and a top connection piece (3102) is fixedly connected to the top of the top connection post (3101).

5. The impact testing device for a CAN bus load according to claim 1, characterized in that: The weight replacement assembly (311) includes a weight block (3111), the top of which is fixedly connected to the bottom of the upper support plate (39), and the bottom of the weight block (3111) is threaded with a plurality of quick-release holes (3112).

6. The impact testing device for a CAN bus load according to claim 1, characterized in that: The rear lifting assembly (312) includes a rear connector (3121), the front side of which is fixedly connected to the rear side of the upper support plate (39), and a rotating wheel (3122) is fixedly connected to the rear side of the rear connector (3121).

7. The impact testing device for a CAN bus load according to claim 2, characterized in that: The rear quick-release assembly (43) includes a front connecting ring (431), the front side of which is fixedly connected to the rear side of the main hydraulic push rod (42), and the rear side of which is fixedly connected to a rear connecting bolt (432).

8. The impact testing device for a CAN bus load according to claim 2, characterized in that: The placement component (46) includes a placement block (461), the bottom of which is fixedly connected to the top of the rear connecting plate (45), and a placement groove (462) is provided on the top of the placement block (461).

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