Automobile stress release equipment

Abstract

The invention discloses automobile stress releasing equipment, and relates to the technical field of automobile stress releasing, the automobile stress releasing equipment comprises a mounting bottom table, a plurality of anchor fixing bolts are arranged on the mounting bottom table, a plurality of rotary connecting rod mechanisms are arranged on the mounting bottom table, and the rotary connecting rod mechanisms are connected with a mounting frame mechanism; a deflection vibration mechanism is arranged between the rotary connecting rod mechanism and the mounting bottom table, two adjusting supporting assemblies are arranged on the mounting frame mechanism and symmetrically arranged on the mounting frame mechanism, and each adjusting supporting assembly comprises a supporting roller mechanism, a pneumatic telescopic rod, a connecting rod mechanism and a driving shaft mechanism. The deflection vibration mechanism is arranged to drive the rotary connecting rod mechanism to deflect and vibrate, so that the mounting frame mechanism is driven to vibrate, an automobile is driven to vibrate, stress release of the automobile is accelerated, the distance between every two adjacent supporting roller mechanisms can be adjusted through a pneumatic telescopic rod, and then the height of the automobile suspension is adjusted; and the automobile stress release efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile stress release, in particular to automobile stress release equipment. Background Art

[0002] During the manufacturing process, new cars will generate residual mechanical stress due to stamping, welding, assembly and other processes, which will directly affect the stability and safety of the vehicle in the long term.

[0003] Chinese patent publication number CN102107691A, publication date June 29, 2011, discloses a vehicle suspension stress release device, designed in the field of automobile manufacturing technology, including a base and a motor fixed on the base, the motor shaft is connected to a crank through a reducer, the end of the crank is connected to a clamping part for fixing the automobile body through a connecting rod, and the vehicle suspension stress release device of the application can eliminate the false moment and residual stress of the automobile suspension at a fixed station. However, in the prior art, a fixed station is used, so it is not convenient to release the stress of the automobile suspension according to the different lengths of the automobile suspension, and the intensity of the released stress cannot be adjusted according to the actual situation. Moreover, the prior art cannot passively move to achieve stress release, so the ability to release automobile stress is limited, so the prior art has a large room for improvement. Summary of the invention

[0004] The present invention provides an automobile stress release device, which solves the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A stress release device for an automobile comprises a mounting base, wherein 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 a mounting frame mechanism, a deflection vibration mechanism is provided between the rotating connecting rod mechanism and the mounting base, the mounting frame mechanism is provided with two adjustment support assemblies, 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.

[0006] As a preferred technical solution of the present invention, the rotating connecting rod mechanism includes 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.

[0007] As a preferred technical solution of the present invention, the installation frame mechanism includes a main frame body fixed on the second rotating seat, the main frame body is provided with two symmetrically arranged through grooves, and the main frame body is fixedly connected to two vertically symmetrically arranged supporting middle plates.

[0008] As a preferred technical solution of the present invention, 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.

[0009] As a preferred technical solution of the present invention, the supporting roller mechanism includes 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 a rotating sleeve, a first rotating clip is provided 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 provided on the outer side of the rotating shaft, a second rotating slot is provided on the outer side of the rotating shaft, a second rotating clip is provided 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.

[0010] As a preferred technical solution of the present invention, the connecting rod mechanism includes a first rotating shaft rotatably connected to one of the mobile 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 is rotatably connected to the adjacent mobile frame.

[0011] As a preferred technical solution of the present invention, 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.

[0012] The present invention has the following benefits: By setting a deflection vibration mechanism, the rotating connecting rod mechanism can be driven to deflect and vibrate, thereby driving the installation frame mechanism to vibrate, thereby driving the vehicle to vibrate and accelerating the stress release of the vehicle. The distance between adjacent supporting roller mechanisms can be adjusted through the pneumatic telescopic rod and the connecting rod mechanism, thereby adaptively adjusting the height of the vehicle suspension. The supporting roller mechanism can be driven through the driving shaft mechanism, thereby driving the vehicle to move passively, thereby releasing stress when the vehicle moves, and improving the efficiency of stress release of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a structural schematic diagram of an automobile stress relief device from the first perspective.

[0015] Figure 2 This is a structural schematic diagram of an automobile stress relief device from a second perspective.

[0016] Figure 3 The figure is a schematic diagram of the structure of a connecting rod mechanism in an automobile stress release device.

[0017] Figure 4 The figure is a schematic diagram of the structure of a support roller mechanism in an automobile stress release device.

[0018] Figure 5 The figure is a cross-sectional view of a deflection vibration mechanism in an automobile stress release device.

[0019] In the figure: 1. Install the base; 2. Anchor bolts; 3. Rotate the connecting rod mechanism; 301. The first rotating seat; 302. Rotate the connecting rod; 303. The second rotating seat; 4. Install the frame mechanism; 401. The main frame; 402. The through slot; 403. The support middle plate; 5. The deflection vibration mechanism; 501. The first deflection seat; 502. The vibration cylinder; 503. The first linear motor; 504. The vibration block; 505. The first elastic member; 506. The vibration shell; 507. The second linear motor; 508. The positioning block; 509. The second elastic member; 510. The vibration rod; 511. The second deflection seat; 512. The vibration motor; 513. The eccentric vibration block; 6. The support 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, driving shaft mechanism; 901, driving motor; 902, driving shaft. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example 1, please refer to Figure 1-Figure 5 A stress release device for an automobile comprises a mounting base 1, wherein the mounting base 1 is provided with a plurality of anchor bolts 2, the mounting base 1 is provided with a plurality of rotating connecting rod mechanisms 3, the rotating connecting rod mechanism 3 is connected to the mounting frame mechanism 4, a deflection vibration mechanism 5 is provided between the rotating connecting rod mechanism 3 and the mounting base 1, and two adjustment support assemblies are provided on the mounting frame mechanism 4, and the two adjustment support assemblies are symmetrically arranged on the mounting frame mechanism 4, the adjustment support assembly comprises a support roller mechanism 6, a pneumatic telescopic rod 7, a connecting rod mechanism 8 and a driving shaft mechanism 9, a plurality of support roller mechanisms 6 are provided, and the plurality of support roller mechanisms 6 are arranged at equal intervals, the support roller mechanism 6 farthest from the pneumatic telescopic rod 7 is fixed on the mounting frame mechanism 4, 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 driving 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.

[0022] 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 connecting rod 302 . One end of the rotating connecting rod 302 away from the first rotating seat 301 is rotatably connected to a second rotating seat 303 .

[0023] The mounting frame mechanism 4 includes a main frame body 401 fixed on the second rotating seat 303 , and two symmetrically arranged through slots 402 are arranged on the main frame body 401 . The main frame body 401 is fixedly connected to two vertically symmetrically arranged supporting middle plates 403 .

[0024] The support roller mechanism 6 includes a moving frame 601 that is slidably connected to the main frame 401 and the supporting middle plate 403, the moving frame 601 is fixedly connected to the third linear motor 602, the end of the third linear motor 602 is fixedly connected to the lifting frame 603, the moving frame 601 is fixedly connected to the bracket 604, the bracket 604 is rotatably connected to the rotating sleeve 605, the rotating sleeve 605 is provided with a first rotating clip, the outer side of the rotating sleeve 605 is fixedly connected to the first bevel gear 606, the first bevel gear 606 meshes with the second bevel gear 607, the second bevel gear 607 is fixedly connected to the rotating shaft 608, and the rotating shaft 608 is rotatably connected to the bracket 604 A rotating sleeve 609 is provided on the outer side of the rotating shaft 608, a second rotating slot is provided on the outer side of the rotating shaft 608, a second rotating strip is provided in the rotating sleeve 609, the second rotating strip is located in the second rotating slot, the rotating shaft 608 and the rotating sleeve 609 are slidingly connected, the rotating sleeve 609 and the lifting frame 603 are rotatably connected, the rotating sleeve 609 is fixedly connected to the third bevel gear 610, the third bevel gear 610 is engaged with the fourth bevel gear 611, the fourth bevel gear 611 is fixedly connected to the support roller shaft 612, the support roller shaft 612 and the lifting frame 603 are rotatably connected, and 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 mobile frames 601, the first rotating shaft 801 is rotatably connected to the first connecting rod 802, the first connecting rod 802 is rotatably connected to the second rotating shaft 803, the second rotating shaft 803 is rotatably connected to the middle rod 804, the middle rod 804 is rotatably connected to the third rotating shaft 805, the third rotating shaft 805 is rotatably connected to the second connecting rod 806, the second connecting rod 806 is rotatably connected to the fourth rotating shaft 807, and the fourth rotating shaft 807 is rotatably connected to the adjacent mobile frame 601. The driving shaft mechanism 9 includes a driving motor 901 arranged on the main frame 401, the output shaft of the driving motor 901 is fixedly connected to the driving shaft 902, the driving shaft 902 is rotatably connected to the main frame 401, the axial direction of the driving shaft 902 is provided with a first rotating card slot, the first rotating card strip is located in the first rotating card slot, and the driving shaft 902 is slidably connected to the rotating sleeve 605.

[0025] Specifically, turning on the third linear motor 602 can drive the lifting frame 603 to move up and down, and then drive the supporting roller shaft 612 and the supporting roller 613 to move up and down, so as to adjust the height of the vehicle wheel.

[0026] In addition, the drive motor 901 is turned on, and the rotation of the output shaft of the drive motor 901 will drive the drive shaft 902 to rotate, and then drive the first rotating slot to rotate, so as to drive the first rotating clip to rotate, thereby driving the rotating sleeve 605 to rotate, and realizing driving 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 rotating slot to rotate, and then drive the second rotating clip to rotate, thereby driving the rotating sleeve 609 to rotate. The rotation of the rotating sleeve 609 will drive the third bevel gear 610 to rotate. The rotation of the third bevel gear 610 will drive the fourth bevel gear 611 to rotate, thereby driving the support roller shaft 612 to rotate. The rotation of the support roller shaft 612 will drive the support roller 613 to rotate, thereby driving the vehicle on the support roller 613 to reciprocate on the mounting frame mechanism 4, so as to dynamically release the stress of the vehicle.

[0027] 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 on the mounting base 1, the first deflection seat 501 is rotatably connected to the vibration cylinder 502, the 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 and the vibration cylinder 502 are slidably connected, the vibration block 504 is fixedly connected to the 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 and the vibration cylinder 502 are slidably connected, the vibration shell 506 is fixedly connected to the second linear motor 507, and the second linear motor 50 The end of 7 is fixedly connected to a positioning block 508, the positioning block 508 passes through the vibration shell 506, a positioning groove is provided in the vibration cylinder 502 at a position corresponding to the positioning block 508, 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 and the vibration cylinder 502 are slidingly connected, the vibration rod 510 is rotationally connected to the second deflection seat 511, the second deflection seat 511 and the rotating connecting rod 302 are fixedly connected, the vibration rod 510 is fixedly connected to the vibration motor 512, and the output shaft of the vibration motor 512 is fixedly connected to the eccentric vibration block 513.

[0028] Specifically, turning on the vibration motor 512 can drive the eccentric vibration block 513 to rotate, thereby driving the vibration rod 510 to move relative to the vibration tube 502, thereby driving the rotating connecting rod 302 to reciprocate around the first rotating seat 301, thereby driving the mounting frame mechanism 4 to vibrate reciprocatingly, thereby releasing the stress of the car.

[0029] In addition, when the relative position of the vibration rod 510 and the vibration cylinder 502 needs to be limited, the second linear motor 507 is turned on so that the positioning block 508 is inserted into the positioning groove to limit the position of the vibration shell 506 to prevent the rotating connecting rod 302 from rotating around the first rotating seat 301.

[0030] During the implementation of the present invention, the mounting base 1 is first placed in the tunnel of the factory, and the mounting base 1 is fixed by the anchor bolts 2. At this time, the distance between adjacent support roller mechanisms 6 can be adjusted according to actual conditions, that is, the pneumatic telescopic rod 7 is turned on, and the support roller mechanism 6 closest to the pneumatic telescopic rod 7 can be driven. Under the connection of the connecting rod mechanism 8, the distance between adjacent support roller mechanisms 6 can be adjusted. When the car runs on the support roller mechanism 6, the deflection vibration mechanism 5 is directly turned on to drive the rotating connecting rod mechanism 3, and then drive the mounting frame mechanism 4 to vibrate, so as to realize the static vibration stress release of the car. By adjusting the height of the support roller mechanism 6 at different positions, the car tires can be not in the same horizontal plane, which can further accelerate the 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 car to move back and forth on the mounting frame mechanism 4, so as to realize the dynamic vibration stress release of the car.

[0031] The present invention can drive the rotating connecting rod mechanism 3 to deflect and vibrate by setting a deflection vibration mechanism 5, thereby driving the installation frame mechanism 4 to vibrate, thereby driving the automobile to vibrate and accelerating the stress release of the automobile. The distance between adjacent support roller mechanisms 6 can be adjusted through the pneumatic telescopic rod 7 and the connecting rod mechanism 8, thereby adaptively adjusting the height of the automobile suspension. The support roller mechanism 6 can be driven by the driving shaft mechanism 9, thereby achieving passive movement of the automobile, achieving stress release of the automobile when moving, and improving the efficiency of stress release of the automobile.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, 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 fixing 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 includes 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, and 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, and 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.

2. The automotive stress relief device according to claim 1, characterized in that: 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.

3. The automotive stress relief device according to claim 2, characterized in that: The installation 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.

4. The automotive stress relief device according to claim 2, characterized in that: 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.

5. The automotive stress relief device according to claim 3, characterized in that: 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 provided 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 provided on the outer side of the rotating shaft, a second rotating slot is provided on the outer side of the rotating shaft, a second rotating clip is provided 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.

6. The automotive stress relief device according to claim 5, characterized in that: The connecting rod mechanism includes a first rotating shaft rotatably connected to one of the mobile 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 is rotatably connected to the adjacent mobile frame.

7. The automotive stress relief device according to claim 5, characterized in that: 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.

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