New energy automobile tension spring stability detection device

Abstract

The invention relates to the technical field of new energy automobile tension spring testing, and discloses a new energy automobile tension spring stability detection device, which comprises a mounting bracket arranged at the top of a supporting bottom plate, a tensile test mechanism arranged on one side of the mounting bracket, and a compression test mechanism arranged on the other side of the mounting bracket. According to the new energy automobile tension spring stability detection device, a transmission gear drives a transmission rack to perform lifting adjustment, a tension spring is conveniently and stably stretched, the tensile strength of the tension spring is further tested, and a hand and a forward and backward lead screw conveniently drive four spring clamping plates to perform telescopic movement through a nut seat; the clamping diameter of a spring clamping plate is flexibly adjusted, an electric air cylinder drives a spring top plate to press downwards, the spring top plate is connected with a spring sleeve rod through a limiting round hole, the tensioning spring is conveniently limited in the spring clamping plate to be compressed, the compression deformation degree of the tensioning spring is conveniently observed, and the compression strength of the tensioning spring is conveniently tested.

Description

Technical Field

[0001] The present invention relates to the technical field of tension spring testing for new energy vehicles, and in particular to a stability detection device for a tension spring for a new energy vehicle. Background Art

[0002] The purpose of setting suspension springs in car cabs is to reduce vibration and impact between the cab and the frame, and improve the comfort and safety of the driver. The tension spring is a type of spring. Its structure is larger than that of ordinary springs, and it is always in a tensioned state when in use, ready to stretch the outer parts at any time. During the production process, the tension spring needs to be tested by testing equipment.

[0003] In the prior art, for example, the Chinese patent number CN116380674B, titled "A Spring Tensile Rigidity Testing Device," comprises a test base, an actuating assembly, a transmission assembly, a support base, a tensile connecting base, and a compression sleeve. The test base is connected to one end of a tensile spring to be tested via the tensile connecting base on the support base, and the transmission assembly is connected to the other end of the tensile spring to be tested via a tensile connecting base at a corresponding position. The actuating assembly can drive the transmission assembly to move relative to the test base, providing driving force while covering the long tensile stroke of the tensile spring to be tested, thereby realizing a tensile test of the tensile spring to be tested.

[0004] However, in the prior art, although the double fixation of the two ends of the spring is achieved by locking the insert assembly to prevent the spring from detaching from the stretching connection seat due to plastic deformation when the spring is stretched to the limit state, it may be inconvenient to remove the spring after plastic deformation, which affects the actual use effect of the limit. When compressed, the spring is not wrapped around the outer periphery for limiting the position, and is prone to deformation, which affects the accuracy of the test. Therefore, there is an urgent need for a new energy vehicle tension spring stability detection device. Summary of the Invention

[0005] (1) Technical problems solved

[0006] The purpose of the present invention is to provide a new energy vehicle tension spring stability detection device to solve the problem raised in the above background technology that the spring may be inconvenient to remove after plastic deformation, affecting the actual use effect of the limit, and the spring is not wrapped around the outer periphery for limiting during compression, which is prone to deformation and affects the accuracy of the test.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a new energy vehicle tension spring stability detection device, comprising a mounting bracket provided on the top of a support base plate, a tensile testing mechanism provided on one side of the mounting bracket, and a compression testing mechanism provided on the other side of the mounting bracket;

[0009] The tensile testing mechanism includes a spring clamping assembly, which includes a first support plate, a second support plate provided below the first support plate, a limit clamping plate symmetrically provided on the bottom of the first support plate, and a limit clamping plate symmetrically provided on the top of the second support plate, the bottom of the limit clamping plate is provided with linearly distributed semicircular clamping holes, and the semicircular clamping holes are also provided on the first support plate and the second support plate, and the first support plate and the second support plate are symmetrically provided with clamping blocks on both sides, and one side of the limit clamping plate is also provided with a clamping block, and the external sliding sleeves of the two clamping blocks are provided with a clamping sleeve adapted thereto, and a movable slide groove is provided on one side of the movable slide groove, and a telescopic slide adapted thereto is slidably provided on the inner wall of the mobile slide groove, and the telescopic slide slide is connected to an outer wall of one side of the clamping sleeve.

[0010] As a preferred technical solution of the present invention, the compression testing mechanism includes a fixed vertical plate, and a forward and reverse screw is rotatably arranged between the two fixed vertical plates. The forward and reverse screws are movably fixed by setting a nut and a spring clamp, and the forward and reverse screws are staggered. A servo motor is provided on one side of the fixed vertical plate, and the driving end of the servo motor is connected and fixed to one end of the forward and reverse screw by setting a coupling. An electric cylinder is symmetrically arranged at the bottom of one side of the mounting bracket, and a compression limit assembly is provided at the bottom of the electric cylinder.

[0011] As a preferred technical solution of the present invention, the compression limit assembly includes a spring base plate, four spring support rods are symmetrically arranged on the outer circumference of the spring base plate, and the spring support rods are arranged between the spring clamps, four bottom support rods are symmetrically arranged on the bottom of the spring base plate, and the bottom support rods are arranged between two forward and reverse screws, and a spring sleeve rod is arranged on the top of the spring base plate.

[0012] As a preferred technical solution of the present invention, the tensile testing mechanism also includes a lifting slot, which is opened on the other side of the top of the mounting bracket, and the inner wall of the lifting slot is slidably provided with a lifting bracket adapted thereto, and lifting slides are symmetrically provided on both sides of the lifting bracket, and a limiting block is provided on one side of the top of the lifting slide, and lifting holes adapted to the lifting slide are symmetrically provided on both sides of the lifting slot.

[0013] As a preferred technical solution of the present invention, a transmission rack is symmetrically provided on the outer wall of one side of the lifting bracket, and a transmission gear is meshed and connected to one side of the transmission rack. Fixed side plates are symmetrically provided on the top of the mounting bracket, and a transmission shaft is rotatably provided between the two fixed side plates. The transmission rack is rotatably connected between the fixed side plates by providing the transmission shaft. An AC motor is provided on one side of the fixed side plate, and the driving end of the AC motor is connected and fixed to one end of the transmission shaft by providing a coupling.

[0014] As a preferred technical solution of the present invention, a threaded hole is provided at the bottom of the lifting bracket, the inner wall of the threaded hole is threadedly connected with an adjusting screw adapted thereto, an adjusting handle is provided at the top of the adjusting screw, and the bottom end of the adjusting screw is provided at the top of the first support plate.

[0015] As a preferred technical solution of the present invention, the second support plate is arranged on the top of the supporting base plate, and the other side of the limiting clamp is hinged to the first support plate and the second support plate respectively by setting a hinge.

[0016] As a preferred technical solution of the present invention, a spring top plate adapted to the spring bottom plate is provided at the bottom end of the electric cylinder, and a limiting circular hole adapted to the spring sleeve rod is provided at the center of the spring top plate.

[0017] As a preferred technical solution of the present invention, a controller is provided on the outer wall of the mounting bracket, and two start / stop buttons are provided on the top of the supporting base plate.

[0018] As a preferred technical solution of the present invention, anti-slip pads are provided at the four corners of the bottom of the support base.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The new energy vehicle tension spring stability testing device, the AC motor drives the rotating shaft to rotate, and then drives the transmission gear to rotate, and the transmission gear drives the transmission rack to perform lifting and adjustment, the lifting slide plate is connected to the lifting card hole, which is convenient for improving the stability of the gear transmission, convenient for steadily stretching the tension spring, convenient for observing the deformation of the tension spring, and thus testing the tensile strength of the tension spring, manually turning the adjustment handle drives the adjusting screw to perform thread lifting and adjustment, one end of the tension spring is first screwed into the round hole on one side, and then screwed into the round hole on the other side, convenient for fixing the two ends of the tension spring, convenient for tensile testing, the limiting splint and the first support plate and the second support plate are combined by two clamping blocks, which are convenient for the clamping sleeve to fix the two clamping blocks, and then convenient for connecting the limiting splint to the first support plate and the second support plate respectively, the clamping sleeve cooperates with the telescopic slide plate through the movable slide slot, conveniently and flexibly controls the opening and closing of the limiting splint, can prevent the tension spring from being deformed and difficult to remove, the clamping sleeve will be very firm under the influence of tension, and can improve the stability of the fixation;

[0021] 2. The new energy vehicle tension spring stability detection device has two servo motors that keep rotating synchronously. The servo motors drive the forward and reverse screws to rotate. The forward and reverse screws drive the four spring clamps to telescopically move through the nut, so that the diameter of the spring clamps can be flexibly adjusted according to the diameter of the tension spring. The spring bottom plate is convenient for providing support for the bottom of the tension spring. The spring support rod is convenient for auxiliary support of tension springs of different directions. The tension spring can be sleeved on the spring sleeve rod for basic limit. The spring clamp is convenient for providing clamping limit for the outer periphery of the tension spring. The spring top plate is driven downward by the electric cylinder. The spring top plate is connected to the spring sleeve rod through the limiting circular hole, so that the tension spring is conveniently limited inside the spring clamp for compression, so that the compression deformation degree of the tension spring can be observed and the compression strength of the tension spring can be tested.

[0022] 3. The new energy vehicle tension spring stability detection device has a tensile testing mechanism that facilitates the detection of the tensioning stability of the new energy vehicle tension spring, a compression testing mechanism that facilitates the detection of the tightening stability of the new energy vehicle tension spring, a start-stop button that facilitates the control of the start and stop of the test, and a non-slip foot pad that facilitates the improvement of the stability of the support base. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a tension spring stability detection device for a new energy vehicle according to one embodiment of the present invention;

[0024] Figure 2 This is a rear view structural diagram of a tension spring stability detection device for a new energy vehicle according to one embodiment of the present invention;

[0025] Figure 3 This is a partial structural diagram of a tension spring stability detection device for a new energy vehicle according to one embodiment of the present invention;

[0026] Figure 4 This is a partial bottom view of a tension spring stability detection device for a new energy vehicle according to one embodiment of the present invention;

[0027] Figure 5 This is a schematic structural diagram of a tensile testing mechanism of a tension spring stability testing device for a new energy vehicle according to one embodiment of the present invention;

[0028] Figure 6 This is a structural schematic diagram of a compression test mechanism of a tension spring stability detection device for a new energy vehicle in one embodiment of the present invention;

[0029] Figure 7 This is a schematic structural diagram of a compression limiter assembly of a tension spring stability detection device for a new energy vehicle in one embodiment of the present invention;

[0030] Figure 8 This is a partial structural diagram of a compression test mechanism of a tension spring stability detection device for a new energy vehicle according to one embodiment of the present invention;

[0031] Figure 9 This is a schematic structural diagram of a spring clamping assembly of a tension spring stability detection device for a new energy vehicle in one embodiment of the present invention;

[0032] Figure 10 This is a schematic diagram of the lifting bracket structure of a tension spring stability detection device for a new energy vehicle in one embodiment of the present invention.

[0033] In the picture:

[0034] 1. Support base plate; 2. Install bracket;

[0035] 3. Tensile testing mechanism; 301. Lifting slot; 302. Lifting bracket; 303. Lifting slide; 304. Limiting block; 305. Lifting hole; 306. Transmission rack; 307. Transmission gear; 308. Transmission shaft; 309. Fixed side plate; 310. AC motor; 311. Threaded hole; 312. Adjusting screw; 313. Adjusting handle; 34. Spring clamping assembly; 341. First support plate; 342. Second support plate; 343. Limiting clamping plate; 344. Semicircular clamping hole; 345. Clamping block; 346. Clamping sleeve; 347. Moving slide; 348. Telescopic slide; 349. Hinge;

[0036] 4. Compression test mechanism; 401. Fixed vertical plate; 402. Forward and reverse screws; 403. Spring clamp; 404. Servo motor; 405. Electric cylinder; 46. Compression limit assembly; 461. Spring bottom plate; 462. Spring support rod; 463. Bottom support rod; 464. Spring sleeve rod; 465. Spring top plate; 466. Limiting circular hole; 5. Controller; 6. Start / stop button; 7. Anti-slip foot pad. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] See also Figures 1-10The present invention provides a technical solution: a new energy vehicle tension spring stability detection device, comprising a mounting bracket 2 provided on the top of a support base plate 1, a tensile testing mechanism 3 provided on one side of the mounting bracket 2, a compression testing mechanism 4 provided on the other side of the mounting bracket 2, a controller 5 provided on the outer wall of the mounting bracket 2, two start / stop buttons 6 provided on the top of the support base plate 1, and anti-slip pads 7 provided at the four corners of the bottom of the support base plate 1;

[0039] In order to facilitate those skilled in the art to fully understand the specific structure and principle of the tensile testing mechanism 3, the tensile testing mechanism 3 is further explained. In this embodiment, the tensile testing mechanism 3 includes a spring clamping assembly 34, which includes a first support plate 341, a second support plate 342 is provided below the first support plate 341, a limiting clamping plate 343 is symmetrically provided at the bottom of the first support plate 341, and a limiting clamping plate 343 is symmetrically provided at the top of the second support plate 342. The bottom of the limiting clamping plate 343 is provided with linearly distributed semicircular clamping holes 344, and the semicircular clamping holes 344 are also provided on the first support plate 341 and the second support plate 342. The first support plate 341 and the second support plate 342 are symmetrically provided with clamping blocks 345 on both sides, respectively, to limit the tension of ... The cam 348 is a hinged member which is fixed to the bottom of the support frame 342 and is secured to the bottom of the support frame 343. The cam 348 is a hinged member which is fixed to the bottom of the support frame 342 and is secured to the bottom of the support frame 343. The cam 348 is a hinged member which is fixed to the bottom of the support frame 342 and is secured to the bottom of the support frame 343. The card slot 301 is opened on the other side of the top of the mounting bracket 2, and the inner wall of the lifting card slot 301 is slidingly provided with a lifting bracket 302 adapted thereto. Lifting slides 303 are symmetrically provided on both sides of the lifting bracket 302, and a limiting card block 304 is provided on one side of the top of the lifting slide 303. Lifting card holes 305 adapted to the lifting slide 303 are symmetrically provided on both sides of the lifting card slot 301. A transmission rack 306 is symmetrically provided on the outer wall of one side of the lifting bracket 302, and a transmission gear 307 is meshed with the transmission rack 306 on one side. Fixed side plates 309 are symmetrically provided on the top of the mounting bracket 2. A transmission shaft 308 is rotatably provided between the two fixed side plates 309, and the transmission rack 306 is rotatably connected between the fixed side plates 309 through the transmission shaft 308. An AC motor 310 is provided on one side of the fixed side plate 309, and the driving end of the AC motor 310 is connected and fixed to one end of the transmission shaft 308 through a coupling. A threaded hole 311 is provided at the bottom of the lifting bracket 302, and the inner wall of the threaded hole 311 is threadedly connected to an adjusting screw 312 adapted thereto. An adjusting handle 313 is provided at the top of the adjusting screw 312, and the bottom end of the adjusting screw 312 is provided at the top of the first support plate 341.

[0040] The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The cam 312 is connected to the drive shaft 306 to adjust the tension and tension of the spring 302. The spring height is adjusted according to the different heights. The adjusting screw 312 fixes the first support plate 341, the supporting base 1 fixes the second support plate 342, and the limiting clamping plate 343 is fixed on both sides of the first support plate 341 and the second support plate 342 through the hinge 349, which is convenient for forming the two semicircular clamping holes 344 into a full circular hole, so that one end of the tensioning spring is first screwed into the circular hole on one side and then screwed into the circular hole on the other side, which is convenient for fixing the two ends of the tensioning spring and convenient for tensile testing. The limiting clamping plate 343 and the first support plate By merging two clamping blocks 345 between 341 and the second support plate 342, it is convenient for the clamping sleeve 346 to fix the two clamping blocks 345, and then it is convenient to connect the limiting clamping plate 343 to the first support plate 341 and the second support plate 342 respectively. The clamping sleeve 346 cooperates with the telescopic slide 348 through the movable slide groove 347 to facilitate and flexibly control the opening and closing of the limiting clamping plate 343, which can prevent the tension spring from deforming and being difficult to remove. The clamping sleeve 346 will be very firm under the influence of tension, which can improve the stability of the fixation.

[0041] In order to facilitate those skilled in the art to fully understand the specific structure and principle of the compression test mechanism 4, the compression test mechanism 4 is further explained. In this embodiment, the compression test mechanism 4 includes a fixed vertical plate 401, and a forward and reverse screw 402 is rotatably arranged between the two fixed vertical plates 401. The forward and reverse screws 402 are movably fixed by setting a nut seat and a spring clamp 403, and the forward and reverse screws 402 are staggered. A servo motor 404 is set on one side of the fixed vertical plate 401. The driving end of the servo motor 404 is connected and fixed to one end of the forward and reverse screw 402 by setting a coupling. An electric cylinder 405 is symmetrically arranged on the bottom of one side of the mounting bracket 2, and a compression limit assembly 46 is set at the bottom of the electric cylinder 405. The compression limit Component 46 includes a spring base plate 461, four spring support rods 462 are symmetrically arranged on the outer circumference of the spring base plate 461, and the spring support rods 462 are arranged between the spring clamping plates 403, four bottom support rods 463 are symmetrically arranged at the bottom of the spring base plate 461, and the bottom support rods 463 are arranged between the two forward and reverse screws 402, a spring sleeve rod 464 is arranged at the top of the spring base plate 461, and a spring top plate 465 that is compatible with the spring base plate 461 is provided at the bottom end of the electric cylinder 405, and a limiting circular hole 466 that is compatible with the spring sleeve rod 464 is provided at the center of the spring top plate 465.

[0042] Specifically, the two servo motors 404 maintain synchronous rotation, and the servo motor 404 drives the forward and reverse screws 402 to rotate. The forward and reverse screws 402 drive the four spring clamps 403 to telescopically move through the nut, so that the diameter of the spring clamps 403 can be flexibly adjusted according to the diameter of the tensioning spring. The spring bottom plate 461 is convenient for providing support for the bottom of the tensioning spring, and the spring support rod 462 is convenient for auxiliary support of tensioning springs of different directions. The tensioning spring can be sleeved on the spring sleeve rod 464 for basic limitation. The spring clamp 403 is convenient for providing clamping and limiting for the outer periphery of the tensioning spring, and the spring top plate 465 is driven downward by the electric cylinder 405. The spring top plate 465 is connected to the spring sleeve rod 464 through the limiting circular hole 466, so that the tensioning spring is conveniently limited inside the spring clamp 403 for compression, so that the compression deformation degree of the tensioning spring is convenient for observing the compression deformation degree of the tensioning spring and the compression strength of the tensioning spring is convenient for testing.

[0043] Working principle: First, the tensile testing mechanism 3 is convenient for testing the tensioning stability of the tensioning spring of new energy vehicles, and the compression testing mechanism 4 is convenient for testing the tightening stability of the tensioning spring of new energy vehicles. The start-stop button 6 is convenient for controlling the start and stop of the test respectively, and the non-slip foot pad 7 is convenient for improving the stability of the support base 1. The fixed side plate 309 fixes the rotating shaft, and the AC motor 310 drives the rotating shaft to rotate. The rotating shaft is connected to the transmission gear 307, and then drives the transmission gear 307 to rotate. The transmission gear 307 drives the transmission rack 306 to lift and adjust. The lifting slot 301 is convenient for limiting the lifting bracket 302, and the lifting slide 303 is connected to the lifting hole 305, which is convenient for improving the stability of the gear transmission. The limit block 304 can prevent the lifting slide 303 from falling out, which is convenient for steadily stretching the tension spring, convenient for observing the deformation of the tension spring, and then testing the tensile strength of the tension spring. Manually turning the adjusting handle 313 drives the adjusting screw 312 to perform threaded lifting and adjustment, which is convenient for The adjustment is performed according to the different heights of the springs. The adjusting screw 312 fixes the first support plate 341, the supporting base 1 fixes the second support plate 342, and the limiting clamping plate 343 is fixed on both sides of the first support plate 341 and the second support plate 342 through the hinge 349, so that the two semicircular clamping holes 344 can be conveniently formed into a full circular hole, so that one end of the tensioning spring can be screwed into the circular hole on one side first, and then screwed into the circular hole on the other side, so as to fix the two ends of the tensioning spring and facilitate the tensile test. The limiting clamping plate 343 and the first support plate 341 are fixed on both sides of the second support plate 342 through the hinge 349, so as to facilitate the formation of the two semicircular clamping holes 344 into a full circular hole. The two clamping blocks 345 are combined between the plate 341 and the second support plate 342, so that the clamping sleeve 346 can fix the two clamping blocks 345, thereby facilitating the connection of the limiting clamping plate 343 to the first support plate 341 and the second support plate 342 respectively. The clamping sleeve 346 cooperates with the telescopic slide 348 through the movable slide groove 347 to facilitate flexible control of the opening and closing of the limiting clamping plate 343, thereby preventing the tension spring from being deformed and difficult to remove. The clamping sleeve 346 is very firm under the influence of tension, which can improve the stability of the fixation.

[0044] Then the two servo motors 404 keep rotating synchronously, and the servo motor 404 drives the forward and reverse screws 402 to rotate. The forward and reverse screws 402 drive the four spring clamps 403 to telescopically move through the nut, which is convenient for flexibly adjusting the clamping diameter of the spring clamp 403 according to the diameter of the tensioning spring. The spring bottom plate 461 is convenient for providing support for the bottom of the tensioning spring, and the spring support rod 462 is convenient for auxiliary support of tensioning springs of different directions. The tensioning spring can be set on the spring sleeve rod 464 for basic limit. The spring clamp 403 is convenient for providing clamping limit for the outer periphery of the tensioning spring, and the spring top plate 465 is pressed down by the electric cylinder 405. The spring top plate 465 is connected to the spring sleeve rod 464 through the limiting circular hole 466, which is convenient for limiting the tensioning spring inside the spring clamp 403 for compression, so as to observe the compression deformation degree of the tensioning spring and test the compression strength of the tensioning spring.

[0045] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A new energy vehicle tension spring stability detection device, characterized by: The top of the supporting base plate (1) is provided with a mounting bracket (2), one side of the mounting bracket (2) is provided with a tensile testing mechanism (3), and the other side of the mounting bracket (2) is provided with a compression testing mechanism (4); The tensile testing mechanism (3) includes a spring clamping assembly (34), the spring clamping assembly (34) includes a first support plate (341), a second support plate (342) is provided below the first support plate (341), a limiting clamping plate (343) is symmetrically provided at the bottom of the first support plate (341), and a limiting clamping plate (343) is symmetrically provided at the top of the second support plate (342), and the bottom of the limiting clamping plate (343) is provided with linearly distributed semicircular clamping holes (344), and the semicircular clamping holes (344) are also provided on the first support plate (341) and the second support plate ( 342), the first support plate (341) and the second support plate (342) are symmetrically provided with a clamping block (345) on both sides, and the limiting clamping plate (343) is also provided with a clamping block (345), the external sliding sleeves of the two clamping blocks (345) are provided with a clamping sleeve (346) adapted thereto, and a movable slide groove (347) is provided on one side of the limiting clamping plate (343), and the inner wall of the movable slide groove (347) is slidably provided with a telescopic slide (348) adapted thereto, and the telescopic slide (348) is connected to the outer wall of one side of the clamping sleeve (346).

2. A new energy vehicle tension spring stability detection device according to claim 1, characterized in that: The compression test mechanism (4) comprises a fixed vertical plate (401), a forward and reverse screw (402) is rotatably arranged between the two fixed vertical plates (401), the forward and reverse screws (402) are movably fixed by arranging a nut seat and a spring clamp (403), and the forward and reverse screws (402) are staggeredly distributed, a servo motor (404) is arranged on one side of the fixed vertical plate (401), the driving end of the servo motor (404) is connected and fixed to one end of the forward and reverse screw (402) by arranging a coupling, an electric cylinder (405) is symmetrically arranged on the bottom of one side of the mounting bracket (2), and a compression limit assembly (46) is arranged at the bottom of the electric cylinder (405).

3. The new energy vehicle tension spring stability detection device according to claim 2, characterized in that: The compression limit assembly (46) includes a spring base plate (461), four spring support rods (462) are symmetrically arranged on the outer circumference of the spring base plate (461), and the spring support rods (462) are arranged between the spring clamping plates (403), four bottom support rods (463) are symmetrically arranged on the bottom of the spring base plate (461), and the bottom support rods (463) are arranged between the two forward and reverse screws (402), and a spring sleeve rod (464) is arranged on the top of the spring base plate (461).

4. The new energy vehicle tension spring stability detection device according to claim 1, characterized in that: The tensile testing mechanism (3) further comprises a lifting slot (301), the lifting slot (301) being provided on the other side of the top of the mounting bracket (2), a lifting bracket (302) adapted thereto being slidably provided on the inner wall of the lifting slot (301), lifting slides (303) being symmetrically provided on both sides of the lifting bracket (302), a limiting block (304) being provided on one side of the top of the lifting slide (303), and lifting holes (305) adapted thereto being symmetrically provided on both sides of the lifting slot (301).

5. The new energy vehicle tension spring stability detection device according to claim 4, characterized in that: A transmission rack (306) is symmetrically provided on the outer wall of one side of the lifting bracket (302), and a transmission gear (307) is meshedly connected to one side of the transmission rack (306). A fixed side plate (309) is symmetrically provided on the top of the mounting bracket (2), and a transmission shaft (308) is rotatably provided between the two fixed side plates (309). The transmission rack (306) is rotatably connected between the fixed side plates (309) by providing the transmission shaft (308). An AC motor (310) is provided on one side of the fixed side plate (309), and a driving end of the AC motor (310) is connected and fixed to one end of the transmission shaft (308) by providing a coupling.

6. The new energy vehicle tension spring stability detection device according to claim 4, characterized in that: A threaded hole (311) is provided at the bottom of the lifting bracket (302), and an adjusting screw (312) adapted thereto is threadedly connected to the inner wall of the threaded hole (311), an adjusting handle (313) is provided at the top of the adjusting screw (312), and the bottom end of the adjusting screw (312) is provided on the top of the first support plate (341).

7. The new energy vehicle tension spring stability detection device according to claim 1, characterized in that: The second support plate (342) is arranged on the top of the supporting base plate (1), and the other side of the limiting clamping plate (343) is hinged to the first support plate (341) and the second support plate (342) respectively by means of hinges (349).

8. The new energy vehicle tension spring stability detection device according to claim 2, characterized in that: The bottom end of the electric cylinder (405) is provided with a spring top plate (465) adapted to the spring bottom plate (461), and the center of the spring top plate (465) is provided with a limiting circular hole (466) adapted to the spring sleeve rod (464).

9. The new energy vehicle tension spring stability detection device according to claim 1, characterized in that: A controller (5) is provided on the outer wall of the mounting bracket (2), and two start / stop buttons (6) are provided on the top of the supporting base plate (1).

10. The new energy vehicle tension spring stability detection device according to claim 1, characterized in that: Anti-slip pads (7) are provided at the four corners of the bottom of the supporting base plate (1).

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