An automotive stress relief device
By designing automotive stress relief equipment with rotating connecting rods, deflection vibration and drive shaft mechanisms, the problems of suspension length adjustment and passive movement are solved, and efficient stress relief effect is achieved.
Patent Information
- Application Number
- CN202510355229.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2045-03-25
AI Technical Summary
In the prior art, the stress relief equipment of automobile suspension cannot be adjusted according to the length of the suspension and cannot be moved passively, resulting in limited stress relief capability.
An automobile stress relief device including a rotating connecting rod mechanism, a deflection vibration mechanism, a pneumatic telescopic rod and a drive shaft mechanism is designed. The installation frame mechanism is driven to vibrate through the deflection vibration mechanism, and the suspension height is adjusted by the pneumatic telescopic rod. The driving shaft mechanism realizes passive movement of the automobile and improves the stress relief efficiency.
Adaptive adjustment according to the suspension length and stress release of the car during movement are achieved, improving the efficiency and effect of stress release.
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Figure CN119858616B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of automotive stress release, and specifically to an automotive stress release device. Background Art
[0002] During the manufacturing process of new vehicles, residual mechanical stresses are generated due to processes such as stamping, welding, and assembly, directly affecting the long-term stability and safety of vehicle use.
[0003] Chinese Patent Publication No. CN102107691A, publication date June 29, 2011, discloses an automotive suspension stress release device in the field of automotive manufacturing technology. It includes a base and a motor fixed on the base. The rotating shaft of the motor is connected to a crank through a reducer. The end of the crank is connected to a clamping part for fixing the vehicle body through a connecting rod. The automotive suspension stress release device of this application can eliminate the false torque and residual stress of the automotive suspension at a fixed working station. However, in the prior art, a fixed working station is adopted, so it is not convenient to release the stress of the automotive suspension according to the different lengths of the automotive suspension, and at the same time, it cannot adjust the intensity of the released stress according to the actual situation. Moreover, the prior art cannot passively move to release stress, so the ability to release automotive stress is limited, and there is a large room for improvement in the prior art. Summary of the Invention
[0004] The present invention provides an automotive stress release device, which solves the problems raised in the above background art.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] An automotive stress release device includes an installation base platform. A number of floor fixing bolts are provided on the installation base platform. A number of rotating connecting rod mechanisms are provided on the installation base platform. The rotating connecting rod mechanisms are connected to the installation frame mechanism. A deflection vibration mechanism is provided between the rotating connecting rod mechanisms and the installation base platform. Two adjustment support components are provided on the installation frame mechanism. The two adjustment support components are symmetrically arranged on the installation frame mechanism. The adjustment support component includes a support roller mechanism, a pneumatic telescopic rod, a connecting rod mechanism, and a drive shaft mechanism. A number of support roller mechanisms are provided. The number of support roller mechanisms are equidistantly arranged. The support roller mechanism farthest from the pneumatic telescopic rod is fixed on the installation frame mechanism. The support roller mechanism closest to the pneumatic telescopic rod is connected to the pneumatic telescopic rod. The connecting rod mechanism is arranged between two adjacent support roller mechanisms. The drive shaft mechanism is used to drive the support roller mechanism, and the deflection vibration mechanism is used to drive the rotating connecting rod mechanism to deflect and vibrate.
[0007] As a preferred technical solution of the present invention, the rotating connecting rod mechanism includes a first rotating seat fixed on the installation base table. The first rotating seat is rotatably connected to a rotating connecting rod, and one end of the rotating connecting rod away from the first rotating seat is rotatably connected to a second rotating seat.
[0008] As a preferred technical solution of the present invention, the installation frame mechanism includes a main frame body fixed on the second rotating seat. There are two symmetrically arranged through slots on the main frame body, and the main frame body is fixedly connected to two vertically symmetrically arranged supporting middle plates.
[0009] As a preferred technical solution of the present invention, the deflection vibration mechanism includes a first deflection seat fixed on the installation base table. The first deflection seat is rotatably connected to a vibration cylinder. A first linear motor is fixedly connected inside the vibration cylinder. The first linear motor is fixedly connected to a vibration block. The vibration block is slidably connected to the vibration cylinder. The vibration block is fixedly connected to a first elastic member. One end of the first elastic member away from the vibration block is fixedly connected to a vibration shell. The vibration shell is slidably connected to the vibration cylinder. A second linear motor is fixedly connected inside the vibration shell. The end of the second linear motor is fixedly connected to a positioning block. The positioning block passes through the vibration shell. A positioning groove is provided at a position corresponding to the positioning block inside the vibration cylinder. A second elastic member is fixedly connected between the vibration shell and the vibration cylinder. The vibration shell is fixedly connected to a vibration rod. The vibration rod passes through the vibration cylinder. The vibration rod is slidably connected to the vibration cylinder. The vibration rod is rotatably connected to a second deflection seat. The second deflection seat is fixedly connected to the rotating connecting rod. The vibration rod is fixedly connected to a vibration motor. The output shaft of the vibration motor is fixedly connected to an eccentric vibration block.
[0010] As a preferred technical solution of the present invention, the support roller mechanism includes a moving frame slidably connected to the main frame body and the supporting middle plate. The moving frame is fixedly connected to a third linear motor. The end of the third linear motor is fixedly connected to a lifting frame. The moving frame is fixedly connected to a bracket. The bracket is rotatably connected to a rotating sleeve. A first rotating clamping strip is provided inside the rotating sleeve. A first bevel gear is fixedly connected to the outside of the rotating sleeve. The first bevel gear meshes with a second bevel gear. The second bevel gear is fixedly connected to a rotating shaft. The rotating shaft is rotatably connected to the bracket. A rotating sleeve is provided on the outside of the rotating shaft. A second rotating clamping groove is provided on the outside of the rotating shaft. A second rotating clamping strip is provided inside the rotating sleeve. The second rotating clamping strip is located in the second rotating clamping groove. The rotating shaft is slidably connected to the rotating sleeve. The rotating sleeve is rotatably connected to the lifting frame. The rotating sleeve is fixedly connected to a third bevel gear. The third bevel gear meshes with a fourth bevel gear. The fourth bevel gear is fixedly connected to a support roller shaft. The support roller shaft is rotatably connected to the lifting frame. The support roller shaft is fixedly connected to two support rollers.
[0011] As a preferred technical solution of the present invention, the connecting rod mechanism includes a first rotating shaft rotatably connected to one of the moving frames. The first rotating shaft is rotatably connected to a first connecting rod, the first connecting rod is rotatably connected to a second rotating shaft, the second rotating shaft is rotatably connected to a middle rod, the middle rod is rotatably connected to a third rotating shaft, the third rotating shaft is rotatably connected to a second connecting rod, the second connecting rod is rotatably connected to a fourth rotating shaft, and the fourth rotating shaft is rotatably connected to the adjacent moving frame.
[0012] As a preferred technical solution of the present invention, the drive shaft mechanism includes a drive motor provided on the main frame body. The output shaft of the drive motor is fixedly connected to a drive shaft, the drive shaft is rotatably connected to the main frame body, a first rotating card slot is provided in the axial direction of the drive shaft, a first rotating card strip is located in the first rotating card slot, and the drive shaft is slidably connected to a rotating sleeve.
[0013] The present invention has the following beneficial effects:
[0014] By providing a deflection vibration mechanism, it can drive the rotating connecting rod mechanism to deflect and vibrate, thereby driving the installation frame mechanism to vibrate, realizing driving the vehicle to vibrate, accelerating the stress release of the vehicle. By means of the pneumatic telescopic rod and the connecting rod mechanism, the distance between adjacent support roller mechanisms can be adjusted, and then the vehicle suspension height can be adaptively adjusted. By means of the drive shaft mechanism, the support roller mechanism can be driven, and then the vehicle can be driven to move passively, realizing stress release when the vehicle is moving, and improving the efficiency of vehicle stress release. Description of the Drawings
[0015] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0016] Figure 1 It is a schematic structural diagram of a first perspective of a vehicle stress release device.
[0017] Figure 2 It is a schematic structural diagram of a second perspective of a vehicle stress release device.
[0018] Figure 3 It is a schematic structural diagram of the connecting rod mechanism in a vehicle stress release device.
[0019] Figure 4 It is a schematic structural diagram of the support roller mechanism in a vehicle stress release device.
[0020] Figure 5 It is a cross-sectional view of the deflection vibration mechanism in a vehicle stress release device.
[0021] In the figure: 1, installation base; 2, anchor fixing bolt; 3, rotating connecting rod mechanism; 301, first rotating seat; 302, rotating connecting rod; 303, second rotating seat; 4, installation frame mechanism; 401, main frame body; 402, through groove; 403, support middle plate; 5, deflection vibration mechanism; 501, first deflection seat; 502, vibration cylinder; 503, first linear motor; 504, vibration block; 505, first elastic member; 506, vibration shell; 507, second linear motor; 508, positioning block; 509, second elastic member; 510, vibration rod; 511, second deflection seat; 512, vibration motor; 513, eccentric vibration block; 6, support roller mechanism; 601, moving frame; 602, third linear motor; 603, lifting frame; 604, bracket; 605, rotating sleeve; 606, first bevel gear; 607, second bevel gear; 608, rotating shaft; 609, rotating sleeve; 610, third bevel gear; 611, fourth bevel gear; 612, support roller shaft; 613, support roller; 7, pneumatic telescopic rod; 8, connecting rod mechanism; 801, first rotating shaft; 802, first connecting rod; 803, second rotating shaft; 804, middle rod; 805, third rotating shaft; 806, second connecting rod; 807, fourth rotating shaft; 9, drive shaft mechanism; 901, drive motor; 902, drive shaft. Specific embodiments
[0022] The following is a description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not used to limit the present invention.
[0023] Example 1, please refer to Figures 1 - 5 , an automobile stress relief device, including an installation base 1, a plurality of anchor fixing bolts 2 are provided on the installation base 1, a plurality of rotating connecting rod mechanisms 3 are provided on the installation base 1, the rotating connecting rod mechanism 3 is connected to the installation frame mechanism 4, a deflection vibration mechanism 5 is provided between the rotating connecting rod mechanism 3 and the installation base 1, two adjustment support assemblies are provided on the installation frame mechanism 4, and the two adjustment support assemblies are symmetrically arranged on the installation frame mechanism 4. The adjustment support assembly includes a support roller mechanism 6, a pneumatic telescopic rod 7, a connecting rod mechanism 8 and a drive shaft mechanism 9. A plurality of support roller mechanisms 6 are provided, and the plurality of support roller mechanisms 6 are equidistantly arranged. The support roller mechanism 6 farthest from the pneumatic telescopic rod 7 is fixed to the installation frame mechanism 4, and the support roller mechanism 6 closest to the pneumatic telescopic rod 7 is connected to the pneumatic telescopic rod 7. The connecting rod mechanism 8 is arranged between two adjacent support roller mechanisms 6, the drive shaft mechanism 9 is used to drive the support roller mechanism 6, and the deflection vibration mechanism 5 is used to drive the rotating connecting rod mechanism 3 to deflect and vibrate.
[0024] The rotating connecting rod mechanism 3 includes a first rotating seat 301 fixed on the mounting base 1. The first rotating seat 301 is rotatably connected to a rotating link 302. One end of the rotating link 302 away from the first rotating seat 301 is rotatably connected to a second rotating seat 303.
[0025] The mounting frame mechanism 4 includes a main frame body 401 fixed on the second rotating seat 303. There are two symmetrically arranged through slots 402 on the main frame body 401. The main frame body 401 is fixedly connected to two vertically symmetrically arranged support middle plates 403.
[0026] The support roller mechanism 6 includes a moving frame 601 slidably connected to the main frame body 401 and the support middle plate 403. The moving frame 601 is fixedly connected to a third linear motor 602. The end of the third linear motor 602 is fixedly connected to a lifting frame 603. The moving frame 601 is fixedly connected to a support 604. The support 604 is rotatably connected to a rotating sleeve 605. There is a first rotating clamping bar in the rotating sleeve 605. The outside of the rotating sleeve 605 is fixedly connected to a first bevel gear 606. The first bevel gear 606 meshes with a second bevel gear 607. The second bevel gear 607 is fixedly connected to a rotating shaft 608. The rotating shaft 608 and the support 604 are rotatably connected. There is a rotating sleeve 609 outside the rotating shaft 608. There is a second rotating clamping groove outside the rotating shaft 608. There is a second rotating clamping bar in the rotating sleeve 609. The second rotating clamping bar is located in the second rotating clamping groove. The rotating shaft 608 and the rotating sleeve 609 are slidably connected. The rotating sleeve 609 and the lifting frame 603 are rotatably connected. The rotating sleeve 609 is fixedly connected to a third bevel gear 610. The third bevel gear 610 meshes with a fourth bevel gear 611. The fourth bevel gear 611 is fixedly connected to a support roller shaft 612. The support roller shaft 612 and the lifting frame 603 are rotatably connected. The support roller shaft 612 is fixedly connected to two support rollers 613. The connecting rod mechanism 8 includes a first rotating shaft 801 rotatably connected to one of the moving frames 601. The first rotating shaft 801 is rotatably connected to a first connecting rod 802. The first connecting rod 802 is rotatably connected to a second rotating shaft 803. The second rotating shaft 803 is rotatably connected to a middle rod 804. The middle rod 804 is rotatably connected to a third rotating shaft 805. The third rotating shaft 805 is rotatably connected to a second connecting rod 806. The second connecting rod 806 is rotatably connected to a fourth rotating shaft 807. The fourth rotating shaft 807 and the adjacent moving frame 601 are rotatably connected. The drive shaft mechanism 9 includes a drive motor 901 arranged on the main frame body 401. The output shaft of the drive motor 901 is fixedly connected to a drive shaft 902. The drive shaft 902 and the main frame body 401 are rotatably connected. There is a first rotating clamping groove in the axial direction of the drive shaft 902. The first rotating clamping bar is located in the first rotating clamping groove. The drive shaft 902 and the rotating sleeve 605 are slidably connected.
[0027] Specifically, turning on the third linear motor 602 can drive the lifting frame 603 to lift, and then drive the support roller shaft 612 and the support roller 613 to lift, so as to adjust the height of the vehicle wheel.
[0028] In addition, turning on the drive motor 901, the rotation of the output shaft of the drive motor 901 will drive the drive shaft 902 to rotate, and then drive the first rotation slot to rotate, so as to drive the first rotation strip to rotate, and then drive the rotation sleeve 605 to rotate, so as to drive the first bevel gear 606 to rotate. The rotation of the first bevel gear 606 will drive the second bevel gear 607 to rotate, and then drive the rotating shaft 608 to rotate. The rotation of the rotating shaft 608 will drive the second rotation slot to rotate, and then drive the second rotation strip to rotate, so as to drive the rotating sleeve 609 to rotate. The rotation of the rotating sleeve 609 will drive the third bevel gear 610 to rotate, and the rotation of the third bevel gear 610 will drive the fourth bevel gear 611 to rotate, so as to drive the support roller shaft 612 to rotate. The rotation of the support roller shaft 612 will drive the support roller 613 to rotate, so as to drive the vehicle on the support roller 613 to reciprocate on the installation frame mechanism 4, so as to dynamically release the stress of the vehicle.
[0029] Example 2, continue to refer to Figure 1 、 Figure 2 and Figure 5 In the embodiment of the present invention, the deflection vibration mechanism 5 includes a first deflection seat 501 fixed to the installation base 1. The first deflection seat 501 is rotatably connected to the vibration cylinder 502. A first linear motor 503 is fixedly connected inside the vibration cylinder 502. The first linear motor 503 is fixedly connected to the vibration block 504. The vibration block 504 is slidably connected to the vibration cylinder 502. The vibration block 504 is fixedly connected to a first elastic member 505. One end of the first elastic member 505 away from the vibration block 504 is fixedly connected to the vibration shell 506. The vibration shell 506 is slidably connected to the vibration cylinder 502. A second linear motor 507 is fixedly connected inside the vibration shell 506. The end of the second linear motor 507 is fixedly connected to a positioning block 508. The positioning block 508 passes through the vibration shell 506. A positioning groove is provided at a position corresponding to the positioning block 508 inside the vibration cylinder 502. A second elastic member 509 is fixedly connected between the vibration shell 506 and the vibration cylinder 502. The vibration shell 506 is fixedly connected to a vibration rod 510. The vibration rod 510 passes through the vibration cylinder 502. The vibration rod 510 is slidably connected to the vibration cylinder 502. The vibration rod 510 is rotatably connected to a second deflection seat 511. The second deflection seat 511 is fixedly connected to the rotating link 302. The vibration rod 510 is fixedly connected to a vibration motor 512. The output shaft of the vibration motor 512 is fixedly connected to an eccentric vibration block 513.
[0030] Specifically, turning on the vibration motor 512 can drive the eccentric vibration block 513 to rotate, thereby driving the vibration rod 510 to displace relative to the vibration cylinder 502, and then driving the rotating connecting rod 302 to reciprocally deflect around the first rotating seat 301, so as to drive the mounting frame mechanism 4 to vibrate reciprocally, and release the stress on the vehicle.
[0031] In addition, when it is necessary to limit the relative position between the vibration rod 510 and the vibration cylinder 502, turn on the second linear motor 507, so that the positioning block 508 is inserted into the positioning groove to limit the position of the vibration housing 506, and avoid the rotating connecting rod 302 rotating around the first rotating seat 301.
[0032] In the implementation process of the present invention, first place the installation base 1 in the tunnel of the factory and fix the installation base 1 through the anchor fixing bolts 2. At this time, the distance between adjacent support roller mechanisms 6 can be adjusted according to the actual situation, that is, turn on the pneumatic telescopic rod 7. At this time, it can drive the support roller mechanism 6 closest to the pneumatic telescopic rod 7, and the distance between adjacent support roller mechanisms 6 can be adjusted through the connection of the connecting rod mechanism 8. When the vehicle drives onto the support roller mechanism 6, directly turning on the deflection vibration mechanism 5 can drive the rotating connecting rod mechanism 3, and then drive the mounting frame mechanism 4 to vibrate, realizing the static vibration of the vehicle to release stress. By adjusting the height of different positions of the support roller mechanism 6, the vehicle tires can be made not to be on the same horizontal plane, which can further accelerate stress release. In addition, turning on the drive shaft mechanism 9 can drive the support roller mechanism 6, and the support roller mechanism 6 can drive the vehicle to reciprocally move on the mounting frame mechanism 4 to realize the dynamic vibration of the vehicle to release stress.
[0033] The present invention can drive the rotating connecting rod mechanism 3 to deflect and vibrate through the setting of the deflection vibration mechanism 5, thereby driving the mounting frame mechanism 4 to vibrate, realizing driving the vehicle to vibrate and accelerating the stress release of the vehicle. The distance between adjacent support roller mechanisms 6 can be adjusted through the pneumatic telescopic rod 7 and the connecting rod mechanism 8, and then the vehicle suspension height can be adaptively adjusted. The drive shaft mechanism 9 can drive the support roller mechanism 6, and then realize driving the vehicle to move passively, realizing stress release when the vehicle is moving, and improving the efficiency of vehicle stress release.
[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An automobile stress relief device, comprising a mounting base, characterized in that: The mounting base is provided with a plurality of anchor bolts, the mounting base is provided with a plurality of rotating connecting rod mechanisms, the rotating connecting rod mechanism is connected to the mounting frame mechanism, a deflection vibration mechanism is provided between the rotating connecting rod mechanism and the mounting base, and two adjustment support assemblies are provided on the mounting frame mechanism, and the two adjustment support assemblies are symmetrically arranged on the mounting frame mechanism, the adjustment support assembly comprises a support roller mechanism, a pneumatic telescopic rod, a connecting rod mechanism and a driving shaft mechanism, a plurality of support roller mechanisms are provided, and the plurality of support roller mechanisms are arranged at equal intervals, the support roller mechanism farthest from the pneumatic telescopic rod is fixed to the mounting frame mechanism, the support roller mechanism closest to the pneumatic telescopic rod is connected to the pneumatic telescopic rod, the connecting rod mechanism is arranged between two adjacent support roller mechanisms, the driving shaft mechanism is used to drive the support roller mechanism, and the deflection vibration mechanism is used to drive the rotating connecting rod mechanism to deflect and vibrate; The rotating connecting rod mechanism comprises a first rotating seat fixed on the mounting base, the first rotating seat is rotatably connected to the rotating connecting rod, and one end of the rotating connecting rod away from the first rotating seat is rotatably connected to the second rotating seat; The mounting frame mechanism comprises a main frame body fixed on the second rotating seat, the main frame body is provided with two symmetrically arranged through slots, and the main frame body is fixedly connected to two vertically symmetrically arranged supporting middle plates; The deflection vibration mechanism includes a first deflection seat fixed on the mounting base, the first deflection seat is rotatably connected to the vibration cylinder, the first linear motor is fixedly connected inside the vibration cylinder, the first linear motor is fixedly connected to the vibration block, the vibration block and the vibration cylinder are slidably connected, the vibration block is fixedly connected to the first elastic member, the end of the first elastic member away from the vibration block is fixedly connected to the vibration shell, the vibration shell and the vibration cylinder are slidably connected, the second linear motor is fixedly connected inside the vibration shell, the end of the second linear motor is fixedly connected to the positioning block, the positioning block passes through the vibration shell, a positioning groove is provided in the vibration cylinder at a position corresponding to the positioning block, the second elastic member is fixedly connected between the vibration shell and the vibration cylinder, the vibration shell is fixedly connected to the vibration rod, the vibration rod passes through the vibration cylinder, the vibration rod and the vibration cylinder are slidably connected, the vibration rod is rotatably connected to the second deflection seat, the second deflection seat is fixedly connected to the rotating connecting rod, the vibration rod is fixedly connected to the vibration motor, and the output shaft of the vibration motor is fixedly connected to the eccentric vibration block; The supporting roller mechanism comprises a moving frame which is slidably connected to the main frame and the supporting middle plate, the moving frame is fixedly connected to the third linear motor, the end of the third linear motor is fixedly connected to the lifting frame, the moving frame is fixedly connected to the bracket, the bracket is rotatably connected to the rotating sleeve, a first rotating clip is arranged in the rotating sleeve, the outer side of the rotating sleeve is fixedly connected to the first bevel gear, the first bevel gear meshes with the second bevel gear, the second bevel gear is fixedly connected to the rotating shaft, the rotating shaft and the bracket are rotatably connected, a rotating sleeve is arranged on the outer side of the rotating shaft, a second rotating slot is arranged on the outer side of the rotating shaft, a second rotating clip is arranged in the rotating sleeve, the second rotating clip is located in the second rotating slot, the rotating shaft and the rotating sleeve are slidably connected, the rotating sleeve and the lifting frame are rotatably connected, the rotating sleeve is fixedly connected to the third bevel gear, the third bevel gear meshes with the fourth bevel gear, the fourth bevel gear is fixedly connected to the supporting roller shaft, the supporting roller shaft and the lifting frame are rotatably connected, and the supporting roller shaft is fixedly connected to two supporting rollers; The connecting rod mechanism includes a first rotating shaft rotatably connected to one of the moving frames, the first rotating shaft rotatably connected to the first connecting rod, the first connecting rod rotatably connected to the second rotating shaft, the second rotating shaft rotatably connected to the middle rod, the middle rod rotatably connected to the third rotating shaft, the third rotating shaft rotatably connected to the second connecting rod, the second connecting rod rotatably connected to the fourth rotating shaft, and the fourth rotating shaft rotatably connected to the adjacent moving frame; The drive shaft mechanism includes a drive motor arranged on the main frame, the output shaft of the drive motor is fixedly connected to the drive shaft, the drive shaft and the main frame are rotatably connected, a first rotation slot is provided in the axial direction of the drive shaft, the first rotation strip is located in the first rotation slot, and the drive shaft and the rotating sleeve are slidably connected.
Citation Information
Patent Citations
Vehicle suspension stress releasing device
CN102107691A
Test stand for testing brake performance of electric vehicle
CN105424380A
Road vehicle vibration simulation device
CN218895947U