CN114279723A

CN114279723A - Performance testing device for new energy automobile tire

Info

Publication number: CN114279723A
Application number: CN202111606546.8A
Authority: CN
Inventors: 孙超
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-04-05

Abstract

The invention discloses a performance testing device for a new energy automobile tire, which comprises a bottom plate, wherein an electric sliding rail is arranged in the middle of the bottom plate, an electric sliding block is arranged in the electric sliding rail in a sliding manner, a backup plate is fixedly arranged at the top of the electric sliding block, two tire bodies are arranged on the front surface of the backup plate through an adjusting mechanism, two groups of ground simulation mechanisms for forming different concave-convex degrees are arranged on the upper surface of the bottom plate, each group of ground simulation mechanisms comprises a simulation seat fixed on the upper surface of the bottom plate, a linear array sliding groove is formed in the side wall of the simulation seat, a cross rod is arranged in each sliding groove in a sliding manner, and each simulation seat is connected with a transmission mechanism for enabling a lug to move up and down. The invention effectively improves the accuracy of the tire body test by carrying out multiple times of real simulation tests under the test environment of the ground with different concave-convex degrees.

Description

Performance testing device for new energy automobile tire

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a performance testing device for a new energy automobile tire.

Background

The automobile tire is one of important parts of an automobile, is directly contacted with a road surface, and relieves the impact on the automobile when the automobile runs together with an automobile suspension to ensure that the automobile has good riding comfort and running smoothness, the new energy automobile is a vehicle which adopts unconventional automobile fuel as a power source, the new energy automobile comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile and the like, the tire in the new energy automobile is an indispensable part, therefore, the performance test is usually required when the automobile tire is produced, the tire manufacturer can detect the performance of the tire before the tire is produced, the tire can be qualified for factory sale only when the tire is in accordance with the standard, the performance test device of the existing new energy automobile tire has a single performance test process and cannot well simulate the real environment of the automobile when the automobile runs, the method is easy and has errors, so that the test result is inaccurate.

Disclosure of Invention

The invention aims to provide a performance testing device for a new energy automobile tire, which effectively improves the accuracy of testing a tire body and solves the problems in the background technology by carrying out multiple times of real simulation tests in testing environments of different concave-convex degrees of the ground.

In order to achieve the purpose, the invention provides the following technical scheme: a performance testing device for a new energy automobile tire comprises a bottom plate, wherein an electric sliding rail is arranged in the middle of the bottom plate, an electric sliding block is slidably mounted inside the electric sliding rail, a backup plate is fixedly mounted at the top of the electric sliding block, two tire bodies are arranged on the front surface of the backup plate through an adjusting mechanism, and two groups of ground simulation mechanisms for forming different concave-convex degrees are arranged on the upper surface of the bottom plate;

each group of the ground simulation mechanism comprises a simulation seat fixed on the upper surface of the bottom plate, the side wall of the simulation seat is provided with linear array sliding grooves, each sliding groove is internally provided with a cross rod in a sliding manner, the upper surface of each cross rod is fixedly provided with a connecting plate, the top of each connecting plate penetrates through a groove formed in the upper surface of the simulation seat and is fixedly provided with a lug, and each simulation seat is connected with a transmission mechanism for enabling the lug to move up and down.

Preferably, drive mechanism includes first mounting bar, first mounting bar slidable mounting has been seted up multiunit chute on the lateral wall that corresponds the simulation seat, every group the chute is relative setting, and the inside spacing slip of chute has the stopper, the stopper is fixed with the horizontal pole tip that corresponds.

Preferably, a limiting groove is formed in one end, close to the backup plate, of the first mounting bar, a limiting bolt matched with the limiting groove is arranged in the limiting groove, and a clamping groove for allowing the limiting bolt to be screwed in is formed in the side wall of the simulation seat.

Preferably, the side wall of the simulation seat is further fixedly provided with a second graduated scale, and the end part of the first mounting bar is fixedly provided with a marking rod corresponding to the second graduated scale.

Preferably, adjustment mechanism is used for changing the contact pressure of tire body, adjustment mechanism includes solid fixed ring, gu fixed ring passes through the fixed block to be fixed on the upper portion of backup plate, gu fixed ring's inner wall rotates and installs the plectane, the front of plectane rotates through the installed part and installs the installation axle, one of them lateral wall fixed mounting at installed part place has the motor, the motor is used for driving the installation axle to rotate, gu fixed ring is close to the lateral wall fixed mounting of bottom and has fixed cover, the movable rod is installed through the through-hole to fixed cover, the top fixed mounting of movable rod has the rolling disc, the movable rod outer wall cover between rolling disc and the fixed cover is equipped with the spring, the top of rolling disc is contradicted with the outer wall of installation axle, the outer wall of installation axle and rolling disc is provided with the damping layer respectively, the logical groove that supplies the rolling disc to pass is seted up to the lower part of plectane, the arc wall has been seted up on the upper portion of plectane, the inside spacing two gag lever posts of installing of arc wall, two the one end that the plectane was kept away from to the gag lever post is fixed with the fixed plate that corresponds, the fixed plate is fixed in the front side that the backup plate is close to the top.

Preferably, still be provided with on the fixed plate and be used for driving plectane pivoted engagement mechanism, engagement mechanism includes the gear, the back at the plectane is fixed to the gear, the lateral wall that is close to the top of fixed plate is fixed with the installation pole, slidable mounting has the movable block on the installation pole, the rack is installed through the rectangular block to the lateral wall of movable block, rack and gear engagement transmission.

Preferably, still be provided with the first scale that is used for measuring the movable block position on the installation pole, still install fixing bolt on the movable block, fixing bolt can be used to the movable block to fix on the installation pole.

Preferably, the lateral wall fixed mounting that fixed cover is close to the bottom has the fixed strip, slidable mounting has the movable frame on the fixed strip, change the rotation installation between movable frame and the movable rod, the lower part of movable frame is passed through the through-hole and is rotated and install the pivot, the bottom fixed mounting of movable rod has first awl tooth, the outer wall fixed mounting of pivot has the second awl tooth with first awl tooth engaged with, the both ends of pivot are connected with the installation component, and this installation component is used for fixing the centre gripping to the tire body.

Preferably, the installation component includes the mount, mount fixed mounting is at the tip of pivot, the mount is the cross setting, slidable mounting has the installation piece in the mounting groove at mount place, every fixed mounting has the second mounting bar on the installation piece, the back of the body fixed mounting of second mounting bar has the fixture block that can block into the inboard steel bay of tire body, the thread groove has still been seted up to the outer wall of tire body, threaded connection has the thread bush on the thread groove, the thread bush is close to the one end of tire body and rotates and installs the movable sleeve, the outer wall annular array of movable sleeve has a plurality of crossbands, it has the hinge bar to articulate between the lateral wall of crossband the corresponding second mounting bar.

Preferably, the inner top of each simulation seat is provided with a first conduit for ventilating hot air and a second conduit for ventilating cold air.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arranged simulation mechanism, when the first mounting bar moves for a certain distance, the convex-concave degree between two adjacent bumps can be adjusted, so that the test environments of the ground with different convex-concave degrees can be simulated, through the arranged marking rod and the second graduated scale, when the marking rod moves to the scale corresponding to the second graduated scale, the scale at the moment is recorded and the test is completed, so that the test results under different test environments can be obtained, the electric slide block can slide and run in the electric slide rail in a matching manner, so that the tire body can be driven to carry out rolling test on the corresponding bump road section, through the two groups, one group can be used as a comparison group, and the other group can be used as an experiment group.

2. According to the tire testing device, the first guide pipe for introducing hot air and the second guide pipe for introducing cold air are arranged at the inner top of the simulation seat, so that when hot air is introduced into the first guide pipe, the temperature of a road section where the test bump is located can be increased, the testing environment in summer can be simulated, similarly, when cold air is introduced into the second guide pipe, the temperature of the road section where the test bump is located can be decreased, the testing environment in winter can be simulated, and the tire testing range is further improved.

3. According to the invention, through the arrangement of the adjusting mechanism, the autorotation of the tire body is matched, when the tire body is positioned at different contact pressures, the pressure testing process of the tire body can be realized, and the contact pressure between the tire body and the bump is increased along with the increase of the inclination of the mounting shaft, and meanwhile, the rotating speed of the rotating disc is reduced along with the increase of the inclination of the mounting shaft, so that the harm caused by overlarge speed in the pressure testing process is effectively reduced.

4. According to the invention, the mounting block and the second mounting strip thereof can be driven to expand outwards through the mounting assembly, and when the clamping block is clamped into the steel groove corresponding to the inner side of the tire body, the fixing work before the test of the tire body can be realized.

Drawings

FIG. 1 is a schematic diagram of a right-side perspective structure of the present invention;

FIG. 2 is a schematic left-view perspective view of the present invention;

FIG. 3 is a schematic side-view perspective of the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is a schematic top view of the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 1 at C according to the present invention;

FIG. 8 is an enlarged view of the structure shown in FIG. 2.

In the figure: 1. a backup plate; 2. a fixed block; 3. a fixing plate; 4. a first scale; 5. a movable block; 6. fixing the bolt; 7. a rack; 8. a gear; 9. a circular plate; 10. a limiting rod; 11. a motor; 12. installing a shaft; 13. rotating the disc; 14. a mounting member; 15. a fixing ring; 16. fixing a sleeve; 17. a base plate; 18. a simulation seat; 19. a chute; 20. a cross bar; 21. a bump; 22. a tire body; 23. a first mounting bar; 24. a chute; 25. a fixing strip; 26. a movable frame; 27. a rotating shaft; 28. a thread groove; 29. a threaded sleeve; 30. a movable rod; 31. a first bevel gear; 32. a second taper tooth; 33. a second mounting bar; 34. a clamping block; 35. a horizontal bar; 36. a movable sleeve; 37. an electric slide rail; 38. an electric slider; 39. a limit bolt; 40. a limiting groove; 41. a second scale; 42. a marker post; 43. an arc-shaped slot; 44. a fixed mount; 45. a hinged lever; 46. mounting blocks; 47. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution: a performance testing device for a new energy automobile tire comprises a bottom plate 17, wherein an electric sliding rail 37 is arranged in the middle of the bottom plate 17, an electric sliding block 38 is slidably mounted inside the electric sliding rail 37, a backup plate 1 is fixedly mounted at the top of the electric sliding block 38, two tire bodies 22 are arranged on the front surface of the backup plate 1 through an adjusting mechanism, and two groups of ground simulation mechanisms for forming different concave-convex degrees are arranged on the upper surface of the bottom plate 17;

each group of ground simulation mechanisms comprises a simulation seat 18 fixed on the upper surface of the bottom plate 17, sliding grooves 19 in linear arrays are formed in the side walls of the simulation seat 18, a cross rod 20 is slidably mounted inside each sliding groove 19, a connecting plate is fixed on the upper surface of each cross rod 20, a groove formed in the upper surface of the simulation seat 18 is penetrated through the top of each connecting plate, a bump 21 is fixedly mounted on each connecting plate, and a transmission mechanism enabling the bump 21 to move up and down is connected to each simulation seat 18.

Through the simulation mechanism who sets up, the unsmooth degree between two adjacent lugs 21 of adjustable, thereby the testing environment on different unsmooth degree ground of alright simulation, cooperation electronic slider 38 can be in the inside slip operation of electronic slide rail 37, can drive tire body 22 and carry out the roll extrusion test at the lug 21 highway section that corresponds, through two sets of that set up, can regard as the contrast group with one of them group, another group is as the experiment group, in conclusion, through under the testing environment on different unsmooth degree ground, carry out the true simulation test many times, the effectual accuracy that improves tire body 22 and test.

Specifically, drive mechanism includes first mounting bar 23, and first mounting bar 23 slidable mounting has seted up multiunit chute 24 on the lateral wall that corresponds simulation seat 18 on the first mounting bar 23, and every group chute 24 is relative setting, and the inside spacing slip of chute 24 has the stopper, stopper and the 20 end fixing of horizontal pole that correspond.

Can slide on the lateral wall of simulation seat 18 through first mounting bar 23, along with the change of the sliding distance of first mounting bar 23, under the limiting displacement of chute 24 and stopper, can make horizontal pole 20 slide from top to bottom in corresponding spout 19 is inside, can further drive lug 21 up-and-down motion to the relative setting of cooperation chute 24 can make one-to-one motion between two adjacent lugs 21, according to the displacement of first mounting bar 23, be the convex-concave degree between two adjacent lugs 21 of adjustable promptly.

Specifically, a limiting groove 40 is formed in one end, close to the backup plate 1, of the first mounting bar 23, a limiting bolt 39 matched with the limiting groove 40 is arranged inside the limiting groove 40, and a clamping groove for screwing the limiting bolt 39 in is formed in the side wall of the simulation seat 18.

Through the cooperation of the limiting bolt 39 and the groove, when the limiting bolt 39 is screwed into the clamping groove, the first mounting bar 23 can be fixed, and the height of the bump 21 can be fixed after the bump changes.

Specifically, a second scale 41 is further fixedly mounted on the side wall of the simulation seat 18, and a marking rod 42 corresponding to the second scale 41 is fixed at the end of the first mounting bar 23.

Through the arranged marking rod 42 and the second graduated scale 41, when the marking rod 42 moves to the corresponding graduation of the second graduated scale 41, the graduation at the moment is recorded and the test is completed, so that the test results under different test environments can be obtained.

Specifically, the adjusting mechanism is used for changing the contact pressure of the tire body 22, the adjusting mechanism includes a fixing ring 15, the fixing ring 15 is fixed on the upper portion of the backup plate 1 through a fixing block 2, a circular plate 9 is rotatably installed on the inner wall of the fixing ring 15, an installation shaft 12 is rotatably installed on the front surface of the circular plate 9 through an installation member 14, a motor 11 is fixedly installed on the side wall where one installation member 14 is located, the motor 11 is used for driving the installation shaft 12 to rotate, a fixing sleeve 16 is fixedly installed on the side wall of the fixing ring 15 close to the bottom, a movable rod 30 is installed on the fixing sleeve 16 through a through hole, a rotating disc 13 is fixedly installed at the top end of the movable rod 30, a spring 47 is sleeved on the outer wall of the movable rod 30 between the rotating disc 13 and the fixing sleeve 16, the top end of the rotating disc 13 is abutted against the outer wall of the installation shaft 12, damping layers are respectively arranged on the outer walls of the installation shaft 12 and the rotating disc 13, a through groove for the rotating disc 13 to pass through is formed in the lower portion of the circular plate 9, arc groove 43 has been seted up on the upper portion of plectane 9, and two gag lever posts 10 are installed to the inside spacing of arc groove 43, and the one end that plectane 9 was kept away from to two gag lever posts 10 is fixed with corresponding fixed plate 3, and fixed plate 3 is fixed in the front side that backup plate 1 is close to the top.

On one hand, because the outer walls of the mounting shaft 12 and the rotating disc 13 are respectively provided with the damping layer, when the mounting shaft 12 rotates, the rotating disc 13 can be further driven to rotate, so as to further drive the movable rod 30 to rotate, and on the other hand, when the circular plate 9 rotates, the rotating shaft 27 can be further driven to rotate, when the deflection degree of the mounting shaft 12 is different, the distance that the rotating disc 13 slides downwards in the fixing sleeve 16 can be driven to be different, at the moment, the compression amount of the corresponding spring 47 is different, when the rotating disc 13 moves downwards, the movable rod 30 and the movable frame 26 can be further driven to move downwards together, so as to drive the tire body 22 on the rotating shaft 27 to move downwards, so as to adjust the magnitude of the contact pressure, meanwhile, because of the existence of the spring 47 in the structure, when the rotating disc 13 moves downwards, the spring 47 is gradually compressed, and the elastic force of the spring 47 is gradually increased, make installation axle 12 drive the frictional efficiency reduction of rolling disc 13, along with the inclination grow of installation axle 12, the contact pressure increase between tire body 22 and the lug 21, the slew velocity of rolling disc 13 reduces thereupon simultaneously to effectively reduced the harm that test pressure in-process speed was too big brought.

Specifically, the fixed plate 3 is further provided with an engaging mechanism for driving the circular plate 9 to rotate, the engaging mechanism comprises a gear 8, the gear 8 is fixed on the back of the circular plate 9, the side wall, close to the top, of the fixed plate 3 is fixedly provided with an installation rod, the installation rod is provided with a movable block 5 in a sliding mode, the side wall of the movable block 5 is provided with a rack 7 through a rectangular block, and the rack 7 is in meshing transmission with the gear 8.

The movable block 5 can slide on the mounting bar, so that the rack 7 can be driven to move, and the gear 8 and the rack 7 are meshed for transmission, so that when the rack 7 moves, the gear 8 can be driven to rotate, and the circular plate 9 is driven to rotate.

Specifically, still be provided with the first scale 4 that is used for measuring 5 positions of movable block on the installation pole, still install fixing bolt 6 on the movable block 5, fixing bolt 6 can be used to movable block 5 to fix on the installation pole.

Through the first graduated scale 4 that sets up, can measure the shift position of movable block 5, record the angle that the scale at this moment corresponds the circular plate 9 and deflects, be the size of contact pressure promptly, cooperate the locking effect of fixing bolt 6 simultaneously, can realize fixing of movable block 5.

Specifically, the lateral wall fixed mounting that fixed cover 16 is close to the bottom has fixed strip 25, slidable mounting has movable frame 26 on the fixed strip 25, change between movable frame 26 and the movable rod 30 and rotate the installation, the lower part of movable frame 26 is passed through the through-hole and is rotated and install pivot 27, the bottom fixed mounting of movable rod 30 has first awl tooth 31, the outer wall fixed mounting of pivot 27 has second awl tooth 32 with first awl tooth 31 engaged with, the both ends of pivot 27 are connected with the installation component, this installation component is used for carrying out fixed centre gripping to tire body 22.

When the movable rod 30 rotates, the rotating shaft 27 can be further driven to rotate due to the reversing action of the first bevel gear 31 and the second bevel gear 32, so that the tire bodies 22 at two ends of the rotating shaft 27 are driven to rotate, and through the rotation of the tire bodies 22, when the tire bodies 22 are positioned at different contact pressures, the pressure testing process of the tire bodies 22 can be realized.

Specifically, the installation component includes mount 44, mount 44 fixed mounting is at the tip of pivot 27, mount 44 is the cross setting, slidable mounting has installation piece 46 in the mounting groove at mount 44 place, fixed mounting has second mounting bar 33 on every installation piece 46, the back of the body fixed mounting of second mounting bar 33 has fixture block 34 that can block into the inboard steel channel of tire body 22, thread groove 28 has still been seted up to the outer wall of tire body 22, threaded connection has thread bush 29 on the thread groove 28, thread bush 29 is close to the one end rotation of tire body 22 and installs movable sleeve 36, the outer wall annular array of movable sleeve 36 has a plurality of crossbands 35, it has articulated pole 45 to articulate between the lateral wall of crossband the corresponding second mounting bar 33 of crossband correspond.

Through manual rotation thread bush 29, because threaded connection between thread groove 28 and the thread bush 29, when rotating thread bush 29, can drive movable sleeve 36 and take place to remove, and the fixture block 34 that the cooperation set up, and installation piece 46 can slide in the mounting groove at mount 44 place is inside, when movable sleeve 36 is to the one end motion that is close to installation piece 46 place, through hinged rod 45's linkage effect, can drive installation piece 46 and the outside expansion of second mounting bar 33 of it, in the inboard steel bay that corresponds tire body 22 is gone into to the fixture block 34 card, can realize the fixed work before the test of tire body 22.

Specifically, the inner top of each dummy seat 18 is provided with a first duct for the passage of hot air and a second duct for the passage of cold air.

The first guide pipe used for leading hot air and the second guide pipe used for leading cold air are arranged at the inner top of the simulation seat 18, when the first guide pipe leads hot air, the temperature of the road section where the test lug 21 is located can be increased, the test environment in summer can be simulated, and similarly, when the second guide pipe leads cold air, the temperature of the road section where the test lug 21 is located can be decreased, the test environment in winter can be simulated, and the range of tire testing is further improved.

The working principle is as follows: when the performance testing device for the new energy automobile tire is used, firstly, a tire body 22 to be tested is fixed at two ends of a rotating shaft 27, and the threaded sleeve 29 is manually rotated, because the threaded groove 28 is in threaded connection with the threaded sleeve 29, the movable sleeve 36 can be driven to move when the threaded sleeve 29 is rotated, the clamping block 34 is arranged in a matched manner, and the mounting block 46 can slide in the mounting groove where the fixing frame 44 is located;

through the arranged simulation mechanism, the first mounting bar 23 can slide on the side wall of the simulation seat 18, the cross rod 20 can slide up and down in the corresponding sliding groove 19 under the limiting action of the inclined groove 24 and the limiting block along with the change of the sliding distance of the first mounting bar 23, the convex blocks 21 can be further driven to move up and down, and the relative arrangement of the inclined groove 24 can be matched to enable the adjacent two convex blocks 21 to move up and down, the convex-concave degree between the adjacent two convex blocks 21 can be adjusted according to the moving distance of the first mounting bar 23, so that the test environments of the ground with different concave-convex degrees can be simulated, and through the arranged marking rod 42 and the second graduated scale 41, when the marking rod 42 moves to the scale corresponding to the second graduated scale 41, the scale at the moment is recorded and the test is completed, the test results under different test environments can be obtained, and the electric sliding block 38 can slide in the electric sliding rail 37, the tire body 22 can be driven to perform rolling test on the corresponding section of the bump 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A performance testing device for new energy automobile tires, includes bottom plate (17), its characterized in that: an electric sliding rail (37) is arranged in the middle of the bottom plate (17), an electric sliding block (38) is slidably mounted inside the electric sliding rail (37), a backup plate (1) is fixedly mounted at the top of the electric sliding block (38), two tire bodies (22) are arranged on the front surface of the backup plate (1) through an adjusting mechanism, and two groups of ground simulation mechanisms for forming different concave-convex degrees are arranged on the upper surface of the bottom plate (17);

every group ground simulation mechanism is including fixing simulation seat (18) at bottom plate (17) upper surface, linear array's spout (19), every are seted up to simulation seat (18) lateral wall spout (19) inside slidable mounting has horizontal pole (20), every the last fixed surface of horizontal pole (20) has a connecting plate, every the recess that simulation seat (18) upper surface was seted up is passed at the top of connecting plate, and fixed mounting has lug (21), every be connected with the drive mechanism who makes lug (21) up-and-down motion on simulation seat (18).

2. The performance testing device for the new energy automobile tire according to claim 1, is characterized in that: drive mechanism includes first mounting bar (23), first mounting bar (23) slidable mounting has been seted up multiunit chute (24) on first mounting bar (23) on the lateral wall that corresponds simulation seat (18), every group chute (24) are relative setting, and the inside spacing slip of chute (24) has the stopper, stopper and horizontal pole (20) end fixing that corresponds.

3. The performance testing device for the new energy automobile tire according to claim 2, is characterized in that: limiting groove (40) have been seted up to one end that first mounting bar (23) are close to backup plate (1), the inside of limiting groove (40) is provided with rather than spacing bolt (39) of matcing, the draw-in groove that supplies spacing bolt (39) screw in is seted up to the lateral wall of simulation seat (18).

4. The performance testing device for the new energy automobile tire according to claim 2, is characterized in that: the side wall of the simulation seat (18) is also fixedly provided with a second graduated scale (41), and the end part of the first mounting bar (23) is fixedly provided with a marking rod (42) corresponding to the second graduated scale (41).

5. The performance testing device for the new energy automobile tire according to claim 1, is characterized in that: adjustment mechanism is used for changing the contact pressure of tire body (22), adjustment mechanism includes solid fixed ring (15), gu fixed ring (15) pass through fixed block (2) and fix the upper portion at backup plate (1), the inner wall of solid fixed ring (15) rotates and installs plectane (9), the front of plectane (9) is rotated through installed part (14) and is installed installation axle (12), one of them lateral wall fixed mounting at installed part (14) place has motor (11), motor (11) are used for driving installation axle (12) to rotate, gu fixed ring (15) are close to the lateral wall fixed mounting of bottom and are fixed cover (16), movable rod (30) are installed through the through-hole in fixed cover (16), the top fixed mounting of movable rod (30) has rolling disc (13), movable rod (30) outer wall cover between rolling disc (13) and fixed cover (16) is equipped with spring (47), the top of rolling disc (13) is contradicted with the outer wall of installation axle (12), the outer wall of installation axle (12) and rolling disc (13) is provided with the damping layer respectively, the logical groove that supplies rolling disc (13) to pass is seted up to the lower part of plectane (9), arc wall (43) have been seted up on the upper portion of plectane (9), two gag lever post (10), two are installed to arc wall (43) inside spacing the one end that plectane (9) were kept away from in gag lever post (10) is fixed with fixed plate (3) that correspond, fixed plate (3) are fixed in backup plate (1) and are close to the front side at top.

6. The performance testing device for the new energy automobile tire according to claim 5, is characterized in that: still be provided with on fixed plate (3) and be used for driving plectane (9) pivoted engagement mechanism, engagement mechanism includes gear (8), the back at plectane (9) is fixed in gear (8), the lateral wall that is close to the top of fixed plate (3) is fixed with the installation pole, slidable mounting has movable block (5) on the installation pole, rack (7) are installed through the rectangular block to the lateral wall of movable block (5), rack (7) and gear (8) meshing transmission.

7. The performance testing device for the new energy automobile tire according to claim 6, is characterized in that: still be provided with on the installation pole and be used for measuring first scale (4) that movable block (5) put, still install fixing bolt (6) on movable block (5), fixing bolt (6) can be used to movable block (5) to fix on the installation pole.

8. The performance testing device for the new energy automobile tire according to claim 5, is characterized in that: fixed cover (16) are close to the lateral wall fixed mounting of bottom have fixed strip (25), slidable mounting has movable frame (26) on fixed strip (25), it rotates the installation to change between movable frame (26) and movable rod (30), the lower part of movable frame (26) is rotated through the through-hole and is installed pivot (27), the bottom fixed mounting of movable rod (30) has first awl tooth (31), the outer wall fixed mounting of pivot (27) has second awl tooth (32) with first awl tooth (31) engaged with, the both ends of pivot (27) are connected with the installation component, and this installation component is used for carrying out fixed centre gripping to tire body (22).

9. The performance testing device for the new energy automobile tire according to claim 1, is characterized in that: the mounting assembly comprises a fixed frame (44), the fixed frame (44) is fixedly mounted at the end part of the rotating shaft (27), the fixing frame (44) is arranged in a cross shape, mounting blocks (46) are slidably mounted in the mounting groove where the fixing frame (44) is located, a second mounting bar (33) is fixedly mounted on each mounting block (46), a clamping block (34) which can be clamped into the steel groove at the inner side of the tire body (22) is fixedly arranged on the opposite side of the second mounting strip (33), the outer wall of the tire body (22) is also provided with a thread groove (28), the thread groove (28) is connected with a thread sleeve (29) in a threaded manner, a movable sleeve (36) is rotatably arranged at one end of the threaded sleeve (29) close to the tire body (22), the outer wall annular array of movable sleeve (36) has a plurality of horizontal bars (35), it has articulated hinge bar (45) to articulate between the lateral wall of horizontal bar (35) and corresponding second mounting bar (33).

10. The performance testing device for the new energy automobile tire according to claim 1, is characterized in that: the inner top of each simulation seat (18) is provided with a first conduit for hot air and a second conduit for cold air.