CN115979677B - Measurement and control device and measurement and control method for automobile armrest overturning structure damper - Google Patents
Measurement and control device and measurement and control method for automobile armrest overturning structure damper Download PDFInfo
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- CN115979677B CN115979677B CN202310265967.1A CN202310265967A CN115979677B CN 115979677 B CN115979677 B CN 115979677B CN 202310265967 A CN202310265967 A CN 202310265967A CN 115979677 B CN115979677 B CN 115979677B
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Abstract
The invention belongs to a damper measurement and control technology, and particularly discloses a damper measurement and control device and method for an automobile armrest overturning structure. The measurement and control device comprises a test motor and a test frame, wherein a movable rail and a pushing cylinder are arranged at the bottom of the test frame, a sliding block is movably inserted in the movable rail, the top of the sliding block is fixedly connected with the bottom of the test frame, a test plate is arranged inside the test frame, a plurality of first springs are arranged between the test frame and the test plate, rotary dampers and a mounting frame are respectively arranged on two sides of the test plate, a vibration motor is arranged at the bottom of the mounting frame, and a simulation mechanism is arranged inside the mounting frame. The invention improves the adaptability of the rotary damper of the automobile armrest by simulating the use state of the rotary damper of the automobile armrest.
Description
Technical Field
The invention belongs to the technical field of damper measurement and control, and particularly relates to a damper measurement and control device for an automobile armrest overturning structure.
Background
The damper is a device for providing resistance to movement and consuming movement energy, and the rotary damper enables the product to obtain gentle mechanical movement in the rotation process, so that the quality and the service life of the product are improved. The torque of the rotary damper changes to a certain extent according to the rotation speed and the change of the temperature environment.
In the field of automobile armrest use, not only the performance of the rotary damper is to be tested, but also the influence of the vibration and the external force of the automobile running on the performance of the rotary damper is considered, and in the patent CN201410784963.5, a rotary hydraulic damper performance test platform is proposed, the performance of the rotary damper is tested by using the rotation of a motor, other states are not simulated, and the rotary hydraulic damper performance test platform cannot be suitable for the use of the automobile armrest rotary damper.
Therefore, it is necessary to provide a measurement and control device for a damper of an automobile armrest overturning structure to solve the above problems.
Disclosure of Invention
The invention provides a measurement and control device for a damper of an automobile armrest overturning structure, aiming at solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device comprises a test motor and a test frame, wherein a torque test block is arranged at the output end of the test motor, a moving rail and a pushing cylinder are arranged at the bottom of the test frame, a sliding block is movably inserted in the moving rail, the top of the sliding block is fixedly connected with the bottom of the test frame, one side of the sliding block is fixedly connected with the output end of the pushing cylinder, a test plate is arranged in the test frame, and a plurality of first springs are arranged between the test frame and the test plate;
the test board both sides are provided with rotary damper and mounting bracket respectively, and the mounting bracket bottom is provided with vibrating motor, and the inside analog mechanism that is provided with of mounting bracket.
Further, the simulation mechanism comprises a feeding barrel and a simulation rod, the simulation rod is movably sleeved on the surface of the feeding barrel, one end of the feeding barrel is rotatably connected with a rotating block, one end of the rotating block is fixedly connected with a bolt, one section of surface of the bolt is in threaded sleeve connection with a mounting rack, the other end of the feeding barrel is provided with a telescopic slot, the telescopic slot is movably inserted with a telescopic rod, one end of the telescopic rod is provided with a simulation test block, the other end of the telescopic rod is fixedly connected with a second spring, one end of the second spring is fixedly connected with the inner wall of the telescopic slot, limiting blocks are arranged on the surfaces of two sides of the feeding barrel, and the simulation rod is matched with the inserting positions of the two limiting blocks.
Further, be provided with fixed establishment between test frame and the test board, fixed establishment includes pushing piece and two impeller blocks, and pushing piece and feed cylinder tip fixed surface connection, two equal fixedly connected with movable rods of impeller block one end, movable rod middle part activity cup joints on the test board surface, and third spring has been cup jointed on movable rod one section surface, and the test frame surface has seted up with two movable rod assorted fixed slot.
Further, limit inserted block and spacing fixture block have been cup jointed to feed a section of thick bamboo surface, limit inserted block bottom and mounting bracket fixed connection, spacing fixture block one end and mounting bracket fixed connection, and limit fixture block one side rotates the grafting and has auxiliary block, and auxiliary block activity cup joints at a section of thick bamboo surface of feeding.
Further, the telescopic link one end rotates the grafting and has the spin ball, and the telescopic link other end is polygon setting, flexible groove and rather than assorted.
Further, the rotation center line of the simulation rod and the center line of the feeding cylinder are in the same straight line, and the rotation angle range of the simulation rod is 0-120 degrees.
Furthermore, one side of the end part of the pushing block is provided with a slope, and the fixing mechanism is symmetrically arranged relative to the middle part of the test board.
Further, the torque test block and the simulation test block are matched with the rotary damper, and the torque test block and the simulation test block are in threaded sleeve connection with the surface of the installation place of the torque test block and the simulation test block.
The invention also provides a measurement and control method using the damper measurement and control device of the automobile armrest overturning structure, which comprises the following steps,
step one: the method comprises the steps of installing a sampled rotary damper in the middle of a test board, starting a vibration motor to enable the test board to vibrate rapidly in a test rack, adjusting the frequency of the vibration motor to finish idle vibration detection of different amplitudes of the rotary damper, and recording idle vibration data of the rotary damper;
step two: closing the vibration motor, feeding the feeding cylinder by the rotary bolt, inserting the simulation test block into the rotary damper by the telescopic rod, adjusting the angle of the simulation rod and starting the vibration motor, applying external force to the rotary damper by the simulation rod and simulating the vibration state of the vehicle when the vehicle runs, and completing simulation test of the rotary damper after changing the angle of the simulation rod for a plurality of times;
step three: closing a vibration motor, continuing to rotate a bolt to excessively feed the feeding cylinder, moving a corresponding moving rod by a pushing piece through two pushing blocks, inserting the end parts of the two moving rods into corresponding fixing grooves to fix a test plate on a test frame, pushing an air cylinder to work to integrally move the test frame, enabling a torque test block to be contacted with a telescopic rod to push and shrink the torque test block until the torque test block is inserted into a rotary damper, and starting the motor to enable the torque test block to drive the rotary damper to carry out torque test;
step four: recording the torsion performance of the rotary damper, taking down the rotary damper after resetting the device, loading a new rotary damper, repeating the above operation steps, and obtaining all data of all sampling pieces.
The invention has the technical effects and advantages that:
1. according to the invention, through the plurality of first springs, the vibration motor is utilized to enable the test board to drive the rotary damper to perform no-load vibration detection, different no-load vibration data of the rotary damper are obtained under different powers of the vibration motor, and the simulation mechanism is utilized to enable the fixing structure to fix the test board, so that torque performance test is normally performed.
2. According to the invention, the simulation mechanism is arranged, the simulation rod applies acting force to the rotary damper at different angles, and under the action of the vibration motor, the influence of different states of the armrest on the rotary damper in the running process of the vehicle is completed, so that the use state of the rotary damper of the automobile armrest is simulated, and the simulation mechanism is more suitable for the use of the rotary damper of the automobile armrest.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic overall structure of an embodiment of the present invention;
FIG. 2 shows a right side view of an embodiment of the present invention;
FIG. 3 shows an internal structural view of an analog mechanism in an embodiment of the invention;
FIG. 4 is a diagram showing the overall construction of a fixing mechanism in an embodiment of the present invention;
FIG. 5 shows a flow chart of a measurement and control method of an embodiment of the invention;
in the figure: 1. testing a motor; 2. a test rack; 3. a torque test block; 4. a moving track; 5. a pushing cylinder; 6. a sliding block; 7. a test board; 8. a first spring; 9. a rotary damper; 10. a mounting frame; 11. a vibration motor; 12. a feed cylinder; 13. a simulation rod; 14. a rotating block; 15. a bolt; 16. a telescopic slot; 17. a telescopic rod; 18. simulating a test block; 19. a second spring; 20. a limiting block; 21. a rotating ball; 22. a pushing piece; 23. a pushing block; 24. a moving rod; 25. a third spring; 26. a fixing groove; 27. limiting the plug block; 28. a limit clamping block; 29. and an auxiliary block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a measurement and control device of a damper of an automobile armrest overturning structure, which is shown in fig. 1-2, and comprises a test motor 1 and a test frame 2, wherein a torque test block 3 is arranged at the output end of the test motor 1, a movable rail 4 and a pushing cylinder 5 are arranged at the bottom of the test frame 2, a sliding block 6 is movably inserted in the movable rail 4, the top of the sliding block 6 is fixedly connected with the bottom of the test frame 2, one side of the sliding block 6 is fixedly connected with the output end of the pushing cylinder 5, a test plate 7 is arranged in the test frame 2, and a plurality of first springs 8 are arranged between the test frame 2 and the test plate 7;
the test board 7 both sides are provided with rotary damper 9 and mounting bracket 10 respectively, and the mounting bracket 10 bottom is provided with vibration motor 11, and the inside analog mechanism that is provided with of mounting bracket 10.
The test rack 2 and the test board 7 between be provided with fixed establishment, fixed establishment includes push away piece 22 and two push away piece 23, push away piece 22 and feed cylinder 12 tip fixed surface connection, two push away piece 23 one end equal fixedly connected with movable rod 24, movable rod 24 middle part activity cup joints at the test board 7 surface, movable rod 24 one section surface has cup jointed third spring 25, test rack 2 surface offered with two movable rod 24 assorted fixed slot 26, push away piece 23 tip one side and set up for the domatic, fixed establishment sets up for the symmetry relative test board 7 middle part.
When the rotary damper 9 is tested, one rotary damper 9 in the sampling piece is fixedly arranged in the middle of the test board 7, the rotary damper 9 is ensured to be positioned at the center of the test board 7, then the vibration motor 11 is started to enable the test board 7 to vibrate rapidly in the test frame 2, although the vibration can be reduced by a small extent by the plurality of first springs 8, the moving direction of the test board 7 is increased, no-load vibration data of the rotary damper 9 at the moment is recorded, the frequency of the vibration motor 11 is adjusted to enable the test board 7 to drive the rotary damper 9 to vibrate at different amplitudes, no-load vibration detection data of the rotary damper with different amplitudes are obtained, the simulation work is carried out by using the simulation mechanism to obtain simulation data, then the excessive simulation mechanism enables the pushing piece 22 to move again, one side of the end part of the pushing block 23 is provided with a slope, the pushing piece 22 is contacted with the two pushing pieces 23 and pushes the two pushing pieces in the opposite direction, the two pushing pieces 23 drive the corresponding moving rods 24 to move and compress the third springs 25, the ends of the two moving rods 24 are inserted into the corresponding fixing grooves 26 to fix the test board 7 on the test frame 2, then the pushing cylinder 5 works to push the sliding piece 6 to move in the moving track 4, the whole test frame 2 moves along with the sliding piece, the torque test piece 3 is pushed to shrink into the shrink groove after being contacted with the telescopic rod 17, the second springs 19 are compressed and deformed along with the sliding piece, after the torque test piece 3 is completely inserted into the rotary damper 9, the motor is started to enable the torque test piece 3 to drive the rotary damper 9 to carry out torque test, then torsion performance of the rotary damper 9 can be recorded, when the torque test piece 3 rotates, the rotating ball 21 contacts with the sliding piece and rotates, and the telescopic rod 17 cannot be damaged by friction.
According to the invention, through the plurality of first springs 8, the vibration motor 11 is utilized to enable the test board 7 to drive the rotary damper 9 to perform no-load vibration detection, different no-load vibration data of the rotary damper 9 are obtained under different powers of the vibration motor 11, and the simulation mechanism is utilized to enable the test board 7 to be fixed by the fixing structure, so that torque performance test is normally performed.
As shown in fig. 1-3, the simulation mechanism comprises a feeding barrel 12 and a simulation rod 13, the simulation rod 13 is movably sleeved on the surface of the feeding barrel 12, one end of the feeding barrel 12 is rotatably connected with a rotating block 14, one end of the rotating block 14 is fixedly connected with a bolt 15, one section of surface of the bolt 15 is in threaded sleeve joint with a mounting frame 10, the other end of the feeding barrel 12 is provided with a telescopic slot 16, a telescopic rod 17 is movably inserted in the telescopic slot 16, one end of the telescopic rod 17 is provided with a simulation test block 18, the torque test block 3 and the simulation test block 18 are matched with a rotary damper 9, the torque test block 3 and the simulation test block 18 are in threaded sleeve joint with the surface of the mounting position thereof, the other end of the telescopic rod 17 is fixedly connected with a second spring 19, one end of the second spring 19 is fixedly connected with the inner wall of the telescopic slot 16, limiting blocks 20 are arranged on the surfaces of two sides of the feeding barrel 12, the insertion positions of the analog rod 13 and the two limiting blocks 20 are matched, the rotation center line of the analog rod 13 and the center line of the feeding barrel 12 are in the same straight line, the rotation angle range of the analog rod 13 is 0-120 degrees, the surface of the feeding barrel 12 is sleeved with a limiting insert 27 and a limiting clamping block 28, the bottom of the limiting insert 27 is fixedly connected with the mounting frame 10, one end of the limiting clamping block 28 is fixedly connected with the mounting frame 10, one side of the limiting clamping block 28 is rotatably inserted with an auxiliary block 29, the auxiliary block 29 is movably sleeved on the surface of the feeding barrel 12, one end of the telescopic rod 17 is rotatably inserted with a rotating ball 21, the other end of the telescopic rod 17 is in a polygonal arrangement, and the telescopic slot 16 is matched with the telescopic slot.
When the simulation test is performed, the feeding cylinder 12 is driven to move by the rotary bolt 15, the rotary block 14 rotates in the feeding cylinder 12, the feeding cylinder 12 is not driven to rotate by the bolt 15, after the limiting block 20 leaves the limiting insert block 27, the simulation rod 13 can drive the feeding cylinder 12 to rotate under the action of the limiting block 20, the feeding cylinder 12 moves to enable the telescopic rod 17 to insert the simulation test block 18 into the rotary damper 9, the simulation rod 13 can be rotated to different angles through the rotary simulation rod 13, the feeding cylinder 12 enables the simulation rod 13 to be connected with the rotary damper 9 through the telescopic rod 17, the vibration motor 11 is started when the simulation rod 13 rotates to different angles, the simulation rod 13 applies acting force to the rotary damper 9 at different angles, the simulation test on the rotary damper 9 is completed, the limiting clamping block 28 can limit the position of the simulation rod 13, the simulation rod 13 is prevented from moving during vibration, and the simulation rod 13 can normally rotate under the assistance of the auxiliary block 29.
According to the invention, by arranging the simulation mechanism, the simulation rod 13 applies acting force to the rotary damper 9 at different angles, and under the action of the vibration motor 11, the influence of different states of the armrest on the rotary damper 9 in the running process of the vehicle is completed, so that the use state of the rotary damper 9 of the automobile armrest is simulated, and the simulation mechanism is more suitable for the use of the rotary damper 9 of the automobile armrest.
The invention also provides a measurement and control method of the damper measurement and control device for the automobile armrest overturning structure, which is characterized by referring to the attached figure 4 of the specification, and comprises the following steps,
step one: the sampled rotary damper 9 is arranged in the middle of the test board 7, the vibration motor 11 is started to enable the test board 7 to vibrate rapidly in the test rack 2, the frequency of the vibration motor 11 is adjusted to finish idle vibration detection of different amplitudes of the rotary damper 9, and idle vibration data of the rotary damper 9 are recorded;
step two: closing the vibration motor 11, feeding the feeding cylinder 12 by the rotary bolt 15, inserting the simulation test block 18 into the rotary damper 9 along with the feeding cylinder 12 by the telescopic rod 17, then adjusting the angle of the simulation rod 13 and starting the vibration motor 11, and completing the simulation test of the rotary damper 9 after changing the angle of the simulation rod 13 for a plurality of times by the simulation rod 13 to apply an external force to the rotary damper 9 and simulate the vibration state when the vehicle runs;
step three: closing the vibration motor 11, continuing to rotate the bolt 15 to excessively feed the feeding cylinder 12, moving the corresponding moving rods 24 by the pushing piece 22 through the two pushing blocks 23, inserting the end parts of the two moving rods 24 into the corresponding fixing grooves 26 to fix the test plate 7 on the test frame 2, pushing the air cylinder 5 to work to integrally move the test frame 2, enabling the torque test block 3 to contact with the telescopic rod 17 to push and shrink the telescopic rod until the torque test block 3 is inserted into the rotary damper 9, and starting the motor to enable the torque test block 3 to drive the rotary damper 9 to carry out torque test;
step four: the torsional performance of the rotary damper 9 is recorded, the rotary damper 9 is taken down after the device is reset, a new rotary damper 9 is installed, and the above operation steps are repeated, so that all data of all sampling pieces are obtained.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a car handrail flip structure attenuator measurement and control device, includes test motor (1) and test jig (2), its characterized in that: the output end of the test motor (1) is provided with a torque test block (3), the bottom of the test frame (2) is provided with a moving rail (4) and a pushing cylinder (5), a sliding block (6) is movably inserted in the moving rail (4), the top of the sliding block (6) is fixedly connected with the bottom of the test frame (2), one side of the sliding block (6) is fixedly connected with the output end of the pushing cylinder (5), a test plate (7) is arranged in the test frame (2), and a plurality of first springs (8) are arranged between the test frame (2) and the test plate (7); the two sides of the test board (7) are respectively provided with a rotary damper (9) and a mounting frame (10), the bottom of the mounting frame (10) is provided with a vibration motor (11), and a simulation mechanism is arranged inside the mounting frame (10);
the simulation mechanism comprises a feeding barrel (12) and a simulation rod (13), wherein the simulation rod (13) is movably sleeved on the surface of the feeding barrel (12), one end of the feeding barrel (12) is rotatably connected with a rotating block (14), one end of the rotating block (14) is fixedly connected with a bolt (15), one section of surface of the bolt (15) is in threaded sleeve connection with a mounting frame (10), the other end of the feeding barrel (12) is provided with a telescopic groove (16), a telescopic rod (17) is movably sleeved in the telescopic groove (16), one end of the telescopic rod (17) is provided with a simulation test block (18), the other end of the telescopic rod (17) is fixedly connected with a second spring (19), one end of the second spring (19) is fixedly connected with the inner wall of the telescopic groove (16), limiting blocks (20) are arranged on the surfaces of two sides of the feeding barrel (12), and the simulation rod (13) is matched with the spliced positions of the two limiting blocks (20).
A fixing mechanism is arranged between the test frame (2) and the test board (7), the fixing mechanism comprises a pushing piece (22) and two pushing blocks (23), the pushing piece (22) is fixedly connected with the end surface of the feeding barrel (12), one ends of the two pushing blocks (23) are fixedly connected with a movable rod (24), the middle of the movable rod (24) is movably sleeved on the surface of the test board (7), a section of surface of the movable rod (24) is sleeved with a third spring (25), and a fixing groove (26) matched with the two movable rods (24) is formed in the surface of the test frame (2).
2. The automobile armrest overturning structure damper measurement and control device according to claim 1, wherein: the feeding cylinder (12) is sleeved with a limiting inserting block (27) and a limiting clamping block (28), the bottom of the limiting inserting block (27) is fixedly connected with the mounting frame (10), one end of the limiting clamping block (28) is fixedly connected with the mounting frame (10), one side of the limiting clamping block (28) is rotatably sleeved with an auxiliary block (29), and the auxiliary block (29) is movably sleeved on the surface of the feeding cylinder (12).
3. The automobile armrest overturning structure damper measurement and control device according to claim 1, wherein: one end of the telescopic rod (17) is rotatably inserted with a rotating ball (21), the other end of the telescopic rod (17) is arranged in a polygonal shape, and the telescopic groove (16) is matched with the telescopic rod.
4. The automobile armrest overturning structure damper measurement and control device according to claim 1, wherein: the rotation center line of the simulation rod (13) and the center line of the feeding barrel (12) are in the same straight line, and the rotation angle range of the simulation rod (13) is 0-120 degrees.
5. The automobile armrest overturning structure damper measurement and control device according to claim 1, wherein: one side of the end part of the pushing block (23) is provided with a slope, and the fixing mechanism is symmetrically arranged relative to the middle part of the test board (7).
6. The automobile armrest overturning structure damper measurement and control device according to claim 1, wherein: the torque test block (3) and the simulation test block (18) are matched with the rotary damper (9), and the torque test block (3) and the simulation test block (18) are in threaded sleeve joint with the surface of the installation place.
7. A measurement and control method using the damper measurement and control device for the automobile armrest overturning structure according to any one of claims 1 to 6, characterized in that: the method comprises the steps of,
step one: the method comprises the steps of installing a sampled rotary damper (9) in the middle of a test board (7), starting a vibration motor (11) to enable the test board (7) to vibrate rapidly in a test rack (2), adjusting the frequency of the vibration motor (11) to finish idle vibration detection on different amplitudes of the rotary damper (9), and recording idle vibration data of the rotary damper (9);
step two: closing the vibration motor (11), feeding the feeding cylinder (12) by the rotary bolt (15), inserting the simulation test block (18) into the rotary damper (9) by the telescopic rod (17) along with the feeding cylinder, then adjusting the angle of the simulation rod (13) and starting the vibration motor (11), applying external force to the rotary damper (9) by the simulation rod (13) and simulating the vibration state when the vehicle runs, and completing the simulation test of the rotary damper (9) after changing the angle of the simulation rod (13) for a plurality of times;
step three: closing a vibration motor (11), continuing to rotate a bolt (15) to excessively feed a feeding cylinder (12), enabling a pushing piece (22) to move a corresponding moving rod (24) through two pushing blocks (23), enabling the end parts of the two moving rods (24) to be inserted into corresponding fixing grooves (26) to fix a test plate (7) on a test frame (2), enabling a pushing cylinder (5) to work to integrally move the test frame (2), enabling a torque test block (3) to be in contact with a telescopic rod (17) to push and shrink the torque test block until the torque test block (3) is inserted into a rotary damper (9), and enabling the torque test block (3) to drive the rotary damper (9) to perform torque test;
step four: recording the torsion performance of the rotary damper (9), taking the rotary damper (9) off after resetting the device, loading a new rotary damper (9), and repeating the above operation steps to obtain all data of all sampling pieces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310265967.1A CN115979677B (en) | 2023-03-20 | 2023-03-20 | Measurement and control device and measurement and control method for automobile armrest overturning structure damper |
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| CN202310265967.1A CN115979677B (en) | 2023-03-20 | 2023-03-20 | Measurement and control device and measurement and control method for automobile armrest overturning structure damper |
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| WO2016159245A1 (en) * | 2015-03-31 | 2016-10-06 | 株式会社ＮｅｊｉＬａｗ | Conduction-path-equipped member, method for patterning conduction path, and method for measuring changes in member |
| CN105092236B (en) * | 2015-09-10 | 2017-12-22 | 中国铁路总公司 | A kind of device and method for testing eddy current damper damping due to rotation coefficient |
| CN204964172U (en) * | 2015-09-16 | 2016-01-13 | 四川膨旭科技有限公司 | Detection apparatus for car varistor buddhist nun ware |
| US10533921B2 (en) * | 2016-12-02 | 2020-01-14 | The Boeing Company | Tunable mass damper characterization test stand |
| JP2019184506A (en) * | 2018-04-16 | 2019-10-24 | 日章電機株式会社 | Device and method for measuring variation in torque of motor |
| CN110672292B (en) * | 2019-10-11 | 2021-01-19 | 西安交通大学 | Rotary damping blade vibration magnetic excitation vibration modeling test device |
| CN211927145U (en) * | 2019-12-31 | 2020-11-13 | 嘉宝锐(南京)智能家居用品有限公司 | Rotary damper torque automatic detection equipment |
| CN212585885U (en) * | 2020-08-11 | 2021-02-23 | 苏州冠峰检测技术有限公司 | Better motor test rack of antidetonation effect |
| CN112629837B (en) * | 2020-11-03 | 2023-06-23 | 哈尔滨哈飞航空工业有限责任公司 | Device and method for testing damping coefficient of rotary damper |
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