Torque sound measuring wheel device for test bed

Abstract

The invention provides a torsion sound measuring wheel device for a test bed, and relates to the technical field of torsion sound measuring wheel devices.The torsion sound measuring wheel device comprises a torsion sound measuring wheel device body, an adapter shaft is arranged on the inner wall of the torsion sound measuring wheel device body, a limiting device is arranged on the surface of the adapter shaft, and a fixing device is arranged on one side of the torsion sound measuring wheel device body; the limiting device comprises a clamping strip, storage grooves are uniformly formed in the surface of the adapter shaft, the inner walls of the storage grooves are in sliding connection with the clamping strip, rectangular grooves are uniformly formed in the inner wall of the torsion sound wheel measuring device body, and the inner walls of the rectangular grooves are in sliding connection with the end, away from the storage grooves, of the clamping strip. One side of the inner wall of the storage groove is fixedly connected with a first damping rod, when the limiting device is used, the adapter shaft is inserted into the torsion sound measuring wheel device body, then the clamping strip is extruded in the direction away from the storage groove through the first spring, and therefore the clamping strip can slide into the rectangular groove.

Description

Technical Field

[0001] The invention relates to the technical field of torsion measuring sound wheel devices, and in particular to a torsion measuring sound wheel device used on a test bench. Background Art

[0002] The torsion measuring sound wheel device is a device used for torque measurement on a test bench. When using the torsion measuring sound wheel device, the torque measurement function can be achieved by processing a torsion measuring sound wheel device on the coupling adapter shaft, which can meet the requirements of factory tests of a certain type of engine. During the design, the mounting hole, axial direction and radial direction of the torsion measuring sound wheel device are designed according to the size of the mounting hole, angular direction and axial direction of the output shaft of the helicopter engine without changing the coupling of the hydraulic dynamometer. This can facilitate the use of the test bench.

[0003] The inventors have found in their daily work that the torsion measuring sound wheel device still has at least the following problems: when using the torsion measuring sound wheel device, the torque measuring function can be achieved by processing a torsion measuring sound wheel device on the coupling adapter shaft, which can meet the requirements of a certain type of engine factory test. During the design, the mounting hole, axial direction and radial direction of the torsion measuring sound wheel device are designed according to the size of the mounting hole, angular direction and axial direction of the helicopter engine output shaft without changing the coupling of the hydraulic dynamometer. This can facilitate the use of the test bench, but in actual use, it is difficult to set the main body of the torsion measuring sound wheel device on the surface of the rotating shaft. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a test bench using a torsion measuring sound wheel device.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a test bench uses a torsion measuring and sound wheel device, including a torsion measuring and sound wheel device body, the inner wall of the torsion measuring and sound wheel device body is provided with an adapter shaft, the surface of the adapter shaft is provided with a limiting device, one side of the torsion measuring and sound wheel device body is provided with a fixing device, the limiting device includes a clamping strip, the surface of the adapter shaft is evenly provided with a receiving groove, the inner wall of the receiving groove and the clamping strip are slidably connected, the inner wall of the torsion measuring and sound wheel device body is evenly provided with a rectangular groove, the inner wall of the rectangular groove is slidably connected to an end of the clamping strip away from the receiving groove, a first damping rod is fixedly connected to one side of the inner wall of the receiving groove, the end of the first damping rod away from the receiving groove is fixedly connected to one end of the clamping strip, a first spring is sleeved on the surface of the first damping rod, one end of the first spring is fixedly connected to one side of the inner wall of the receiving groove, and one end of the first spring close to the first damping rod is fixedly connected to one end of the first damping rod.

[0006] The effect achieved by the above-mentioned components is: when using the limiting device, the adapter shaft is inserted into the interior of the main body of the torsion measuring and sound wheel device, and then the first spring is used to squeeze the locking strip in the direction away from the storage slot, so that the locking strip can be slid into the interior of the rectangular slot, so that the main body of the torsion measuring and sound wheel device can be well limited to the surface of the adapter shaft.

[0007] Preferably, a movable ring is slidably sleeved on the surface of the adapter shaft, a support ring is fixedly connected to the surface of the adapter shaft, a fixed rod is evenly fixedly connected to the side of the movable ring close to the support ring, the fixed rod is slidably inserted through and inserted on one side of the positioning strip, a fixed groove is opened on one side of the main body of the torsion measuring sound wheel device, the inner wall of the fixed groove is slidably connected to the fixed rod, a second spring is sleeved on the surface of the fixed rod, one end of the second spring is fixedly connected to one side of the movable ring, and one end of the second spring close to the fixed rod is fixedly connected to one side of the support ring.

[0008] The effect achieved by the above components is: the movable ring is pulled toward the supporting ring by the second spring, so that the fixing rod is inserted into the fixing groove and passes through the positioning strip, so that the positioning strip can be restricted inside the rectangular groove.

[0009] Preferably, the inner wall of the support ring is slidably connected to a positioning frame, one side of the inner wall of the support ring is fixedly connected to a second damping rod, one end of the second damping rod away from the support ring is fixedly connected to one end of the positioning frame, a third spring is sleeved on the surface of the second damping rod, one end of the third spring is fixedly connected to one side of the inner wall of the support ring, one end of the third spring close to the second damping rod is fixedly connected to one end of the positioning frame, and the positioning frame is slidably sleeved on the surface of the moving ring.

[0010] The effect achieved by the above components is: the third spring pulls the positioning frame toward the support ring, and then the positioning frame is sleeved on the surface of the moving ring, thereby well restricting the fixing rod inside the positioning strip.

[0011] Preferably, a circular groove is provided at one end of the movable ring away from the fixed rod, and a round rod is slidably connected to the inner wall of the circular groove, and the round rod is slidably inserted into the side of the positioning frame away from the inner wall of the support ring, and a third damping rod is fixedly connected to one side of the inner wall of the circular groove, and the end of the third damping rod away from the circular groove is fixedly connected to one end of the round rod, a fourth spring is sleeved on the surface of the third damping rod, and one end of the fourth spring is fixedly connected to one side of the inner wall of the circular groove, and the end of the fourth spring close to the third damping rod is fixedly connected to one end of the round rod.

[0012] The effect achieved by the above components is: the round rod is pressed in a direction away from the round groove by the fourth spring, so that the round rod passes through one side of the positioning frame, so that the positioning frame can be well restricted to one side of the moving ring.

[0013] Preferably, the fixing device includes a first fixing block and a second fixing block, the second fixing block is fixedly connected to a limiting ring on a side close to the first fixing block, the limiting ring is slidably sleeved on the surface of one end of the first fixing block, a positioning rod is slidably inserted through one side of the limiting ring, the positioning rod is slidably inserted on one side of the first fixing block, and the end of the positioning rod away from the limiting ring is fixedly connected to an arc plate, and the arc plate is sleeved on the surface of the limiting ring.

[0014] The effect achieved by the above-mentioned components is: when using the fixing device, the limiting ring is sleeved on the surface of the first fixing block close to one end of the second fixing block, and then the positioning rod is inserted into the interior of the first fixing block after passing through the limiting ring, so that the arc plate is sleeved on the surface of the limiting ring, so that the second fixing block can be replaced well, and it is convenient to limit the second fixing block with different mounting holes to one side of the first fixing block, so as to facilitate the fixing of engines of different models.

[0015] Preferably, a fourth damping rod is fixedly connected to the side of the arc plate away from the positioning rod, one end of the fourth damping rod away from the arc plate is fixedly connected to the side of the inner wall of the second fixed block, a fifth spring is sleeved on the surface of the fourth damping rod, one end of the fifth spring is fixedly connected to the side of the arc plate, and one end of the fifth spring close to the fourth damping rod is fixedly connected to the side of the inner wall of the second fixed block.

[0016] The effect achieved by the above components is: the arc plate is pressed toward the direction close to the limiting ring by the fifth spring, so that the arc plate can be well sleeved on the surface of the limiting ring.

[0017] Preferably, a locking groove is fixedly connected to one side of the first fixing block, a locking rod is slidably connected to the inner wall of the locking groove, and one end of the locking rod away from the locking groove is fixedly connected to one side of the second fixing block.

[0018] The effect achieved by the above components is: the locking rod is slid into the inside of the locking groove, so that the first fixing block can be well arranged on one side of the second fixing block.

[0019] Preferably, a semicircular plate is sleeved on the surface of the limiting ring, the semicircular plate is sleeved on the surface of the arc plate, and a rectangular plate is fixedly connected to one side of the semicircular plate close to the second fixing block.

[0020] Preferably, a fifth damping rod is fixedly connected to one side of the rectangular plate away from the semicircular plate, and one end of the fifth damping rod away from the rectangular plate is fixedly connected to one side of the second fixing block.

[0021] Preferably, a sixth spring is sleeved on the surface of the fifth damping rod, one end of the sixth spring is fixedly connected to one side of the rectangular plate, and one end of the sixth spring close to the fifth damping rod is fixedly connected to one side of the second fixed block.

[0022] The effect achieved by the above components is: the semicircular plate is pulled toward the second fixed block by the sixth spring, and then the semicircular plate is sleeved on the surfaces of the limiting ring and the arc plate, so that the arc plate can be well limited on the surface of the limiting ring.

[0023] In the present invention, a limiting device is provided. When the limiting device is used, the adapter shaft is inserted into the interior of the torsion measuring sound wheel device body, and then the first spring is used to squeeze the locking bar in a direction away from the storage groove, so that the locking bar can be slid into the interior of the rectangular groove, so that the torsion measuring sound wheel device body can be well limited to the surface of the adapter shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional structural schematic diagram of a test bench using a torsion measuring sound wheel device is provided in the present invention;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the novel clamping slot proposed by the present invention;

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the novel clamping strip proposed by the present invention;

[0027] Figure 4 The present invention provides a three-dimensional structural schematic diagram of a novel round rod;

[0028] Figure 5 A schematic diagram of the three-dimensional structure of a novel first fixing block proposed in the present invention;

[0029] Figure 6 A schematic diagram of the three-dimensional structure of a novel limiting ring proposed in the present invention;

[0030] Figure 7 for Figure 6 Enlarged view of point A in the middle;

[0031] Figure 8 The present invention provides a three-dimensional structural schematic diagram of a novel semicircular plate.

[0032] Legend: 1. Torsion measuring sound wheel device body; 2. Adapter shaft; 3. Limiting device; 301. Rectangular groove; 302. Storage groove; 303. Positioning strip; 304. First damping rod; 305. First spring; 306. Moving ring; 307. Fixed rod; 308. Fixed groove; 309. Second spring; 310. Support ring; 311. Positioning frame; 312. Second damping rod; 313. Third spring; 314. Circular groove; 315, third damping rod; 316, fourth spring; 317, round rod; 4, fixing device; 401, first fixing block; 402, second fixing block; 403, locking groove; 404, locking rod; 405, limiting ring; 406, arc plate; 407, positioning rod; 408, fourth damping rod; 409, fifth spring; 410, semicircular plate; 411, rectangular plate; 412, fifth damping rod; 413, sixth spring. DETAILED DESCRIPTION

[0033] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] like Figure 1-8 As shown, the present invention provides a torsion measuring sound wheel device for use on a test bench, wherein an adapter shaft 2 is arranged on the inner wall of a main body 1 of the torsion measuring sound wheel device, a limiting device 3 is arranged on the surface of the adapter shaft 2, and a fixing device 4 is arranged on one side of the main body 1 of the torsion measuring sound wheel device. When using the torsion measuring sound wheel device, the torque measuring function can be achieved by machining a torsion measuring sound wheel device on the coupling adapter shaft 2, and the requirements for factory tests of a certain type of engine can be met. During design, the mounting hole, axial direction and radial direction of the torsion measuring sound wheel device are designed based on the size, angular direction and axial direction of the mounting hole of the output shaft of the helicopter engine without changing the coupling of the hydraulic dynamometer, so that the test bench can be easily used.

[0036] Reference Figures 2 to 4The limiting device 3 includes a positioning strip 303, a receiving groove 302 is evenly provided on the surface of the adapter shaft 2, and the inner wall of the receiving groove 302 is slidably connected to the positioning strip 303, and the inner wall of the torsion measuring sound wheel device body 1 is evenly provided with a rectangular groove 301, and the inner wall of the rectangular groove 301 is slidably connected to an end of the positioning strip 303 away from the receiving groove 302, and a first damping rod 304 is fixedly connected to one side of the inner wall of the receiving groove 302, and the end of the first damping rod 304 away from the receiving groove 302 is fixedly connected to one end of the positioning strip 303, and a first spring 305 is sleeved on the surface of the first damping rod 304, and one end of the first spring 305 is fixedly connected to one side of the inner wall of the receiving groove 302, and the end of the first spring 305 close to the first damping rod 304 is fixedly connected to the first damping rod 304. One end of the clamping rod 304 is fixedly connected. When the limiting device 3 is used, the adapter shaft 2 is inserted into the interior of the torsion measuring sound wheel device body 1, and then the first spring 305 is used to squeeze the positioning strip 303 in the direction away from the storage groove 302, so that the positioning strip 303 can be slid into the interior of the rectangular groove 301, so that the torsion measuring sound wheel device body 1 can be well limited to the surface of the adapter shaft 2, and a moving ring 306 is slidably sleeved on the surface of the adapter shaft 2, and a supporting ring 310 is fixedly connected to the surface of the adapter shaft 2. A fixing rod 307 is evenly fixedly connected to the side of the moving ring 306 close to the supporting ring 310, and the fixing rod 307 is slidably inserted and penetrated on one side of the positioning strip 303. A fixing groove 308 is provided on one side of the torsion measuring sound wheel device body 1, and a fixing groove 308 is provided on the fixed side. The inner wall of the groove 308 is slidably connected to the fixed rod 307, and a second spring 309 is sleeved on the surface of the fixed rod 307. One end of the second spring 309 is fixedly connected to one side of the movable ring 306, and the end of the second spring 309 close to the fixed rod 307 is fixedly connected to one side of the support ring 310. The movable ring 306 is pulled toward the support ring 310 by the second spring 309, so that the fixed rod 307 is inserted into the fixed groove 308 and passes through the positioning strip 303. In this way, the positioning strip 303 can be restricted inside the rectangular groove 301. The inner wall of the support ring 310 is slidably connected to the positioning frame 311, and one side of the inner wall of the support ring 310 is fixedly connected to the second damping rod 312. The second damping rod 312 is away from the support ring 310. The first end of the second locking member 310 is fixedly connected to the locking member 311, and the second end of the second locking member 310 is fixedly connected to the second locking member 310. The third end of the third locking member 310 is fixedly connected to the locking member 311, and the locking member 311 is slidably mounted on the surface of the movable ring 306. The locking member 311 is pulled toward the support ring 310 by the third spring 313, and the locking member 311 is mounted on the surface of the movable ring 306, so as to well restrict the fixed rod 307 inside the locking strip 303. A circular groove 314 is provided on the end of the movable ring 306 away from the fixed rod 307, and a circular rod 317 is slidably connected to the inner wall of the circular groove 314.The round rod 317 is inserted and slidably penetrated on the side of the positioning frame 311 away from the inner wall of the support ring 310. A third damping rod 315 is fixedly connected to one side of the inner wall of the circular groove 314. One end of the third damping rod 315 away from the circular groove 314 is fixedly connected to one end of the round rod 317. A fourth spring 316 is sleeved on the surface of the third damping rod 315. One end of the fourth spring 316 is fixedly connected to one side of the inner wall of the circular groove 314. One end of the fourth spring 316 close to the third damping rod 315 is fixedly connected to one end of the round rod 317. The round rod 317 is pressed away from the circular groove 314 by the fourth spring 316, so that the round rod 317 passes through one side of the positioning frame 311, so that the positioning frame 311 can be well restricted to one side of the moving ring 306.

[0037] Reference Figures 5 to 8The fixing device 4 includes a first fixing block 401 and a second fixing block 402. A limiting ring 405 is fixedly connected to a side of the second fixing block 402 close to the first fixing block 401. The limiting ring 405 is slidably sleeved on the surface of one end of the first fixing block 401. A positioning rod 407 is slidably inserted through one side of the limiting ring 405. The positioning rod 407 is slidably inserted on one side of the first fixing block 401. An end of the positioning rod 407 away from the limiting ring 405 is fixedly connected to an arc plate 406. The arc plate 406 is sleeved on the surface of the limiting ring 405. When using the fixing device 4, the limiting ring 405 is sleeved on the surface of the first fixing block 401 close to the end of the second fixing block 402, and then the positioning rod 407 is inserted into the first fixing block after passing through the limiting ring 405. 401, so that the arc plate 406 is sleeved on the surface of the limiting ring 405, so that the second fixing block 402 can be well replaced, so as to facilitate the second fixing block 402 with different mounting holes to be limited to one side of the first fixing block 401, so as to facilitate the fixing of engines of different models, the arc plate 406 is fixedly connected with a fourth damping rod 408 on the side away from the positioning rod 407, and the fourth damping rod 408 is fixedly connected to one end of the arc plate 406 and one side of the inner wall of the second fixing block 402, and the surface of the fourth damping rod 408 is sleeved with a fifth spring 409, one end of the fifth spring 409 is fixedly connected to one side of the arc plate 406, and one end of the fifth spring 409 close to the fourth damping rod 408 is fixedly connected to one side of the inner wall of the second fixing block 402 The fifth spring 409 is used to press the arc plate 406 toward the direction close to the limiting ring 405, so that the arc plate 406 can be well sleeved on the surface of the limiting ring 405. One side of the first fixing block 401 is fixedly connected with a locking groove 403, and the inner wall of the locking groove 403 is slidably connected with a locking rod 404. The end of the locking rod 404 away from the locking groove 403 is fixedly connected to the side of the second fixing block 402. The locking rod 404 is slid into the inside of the locking groove 403. In this way, the first fixing block 401 can be well set on one side of the second fixing block 402. The surface of the limiting ring 405 is sleeved with a semicircular plate 410, and the semicircular plate 410 is sleeved on the surface of the arc plate 406. The semicircular plate 410 is fixed close to the side of the second fixing block 402. A rectangular plate 411 is connected, and a fifth damping rod 412 is fixedly connected to one side of the rectangular plate 411 away from the semicircular plate 410, and one end of the fifth damping rod 412 away from the rectangular plate 411 is fixedly connected to one side of the second fixed block 402, and a sixth spring 413 is sleeved on the surface of the fifth damping rod 412, and one end of the sixth spring 413 is fixedly connected to one side of the rectangular plate 411, and one end of the sixth spring 413 close to the fifth damping rod 412 is fixedly connected to one side of the second fixed block 402. The semicircular plate 410 is pulled toward the direction close to the second fixed block 402 by the sixth spring 413, and then the semicircular plate 410 is sleeved on the surfaces of the limiting ring 405 and the arc plate 406, so that the arc plate 406 can be well restricted to the surface of the limiting ring 405.

[0038] Working principle: when using the torsion measuring sound wheel device, the torsion measuring function can be achieved by processing a torsion measuring sound wheel device on the coupling adapter shaft 2, and the requirements of a certain type of engine factory test can be met. When designing, the mounting hole, axial direction and radial direction of the torsion measuring sound wheel device are designed according to the size, angular direction and axial direction of the helicopter engine output shaft mounting hole without changing the hydraulic dynamometer coupling. This can facilitate the use of the test bench. When using the limit device 3, the adapter shaft 2 is inserted into the interior of the torsion measuring sound wheel device body 1, and then the first spring 305 is used to squeeze the positioning strip 303 in the direction away from the receiving groove 302. In this way, the positioning strip 303 can be slid into the inside of the rectangular groove 301, and the mobile ring 306 can be pulled toward the direction close to the support ring 310 by the second spring 309, so that the fixed rod 307 can be inserted into the fixed groove 308 and then pass through the positioning strip 303, and the positioning frame 311 can be pulled toward the direction close to the support ring 310 by the third spring 313, so that the positioning frame 311 is sleeved on the surface of the mobile ring 306, and the round rod 317 can be squeezed toward the direction away from the circular groove 314 by the fourth spring 316, so that the round rod 317 passes through one side of the positioning frame 311, so that the positioning frame 311 can be well restricted to one side of the mobile ring 306. , and then the fixing rod 307 is well restricted inside the positioning strip 303, so that the positioning strip 303 can be restricted inside the rectangular groove 301, so that the torsion measuring sound wheel device body 1 can be well restricted on the surface of the adapter shaft 2. When using the fixing device 4, the positioning rod 404 is slid into the positioning groove 403, so that the first fixing block 401 can be well set on one side of the second fixing block 402, and the limiting ring 405 is sleeved on the surface of the first fixing block 401 close to one end of the second fixing block 402, and then the positioning rod 407 passes through the limiting ring 405 and is inserted into the first fixing block 401. The spring 409 presses the arc plate 406 toward the direction close to the limiting ring 405, and pulls the semicircular plate 410 toward the direction close to the second fixed block 402 through the sixth spring 413, and then the semicircular plate 410 is sleeved on the surfaces of the limiting ring 405 and the arc plate 406, so that the arc plate 406 can be well restricted on the surface of the limiting ring 405, so that the arc plate 406 can be well sleeved on the surface of the limiting ring 405, so that the second fixed block 402 can be well replaced, and it is convenient to restrict the second fixed block 402 with different mounting holes to one side of the first fixed block 401, so as to facilitate the fixing of engines of different models.

[0039] It should be noted that all damping rods in this case are retractable dampers that can absorb energy during the retraction process.

Claims

1. A test bench using a torsion measuring and sound wheel device, characterized in that: The invention comprises a torsion measuring sound wheel device body (1), the inner wall of the torsion measuring sound wheel device body (1) is provided with a transfer shaft (2), the surface of the transfer shaft (2) is provided with a limiting device (3), one side of the torsion measuring sound wheel device body (1) is provided with a fixing device (4), the limiting device (3) comprises a clamping strip (303), the surface of the transfer shaft (2) is evenly provided with a receiving groove (302), the inner wall of the receiving groove (302) and the clamping strip (303) are slidably connected, the inner wall of the torsion measuring sound wheel device body (1) is evenly provided with a rectangular groove (301), the inner wall of the rectangular groove (301) and the inner wall of the rectangular groove (301) are slidably connected to the retaining strip (303), and the retaining strip (303) is slidably connected to the retaining strip (303). One end of the locking strip (303) away from the storage groove (302) is slidably connected, and one side of the inner wall of the storage groove (302) is fixedly connected with a first damping rod (304), and one end of the first damping rod (304) away from the storage groove (302) is fixedly connected to one end of the locking strip (303), and a first spring (305) is sleeved on the surface of the first damping rod (304), and one end of the first spring (305) is fixedly connected to one side of the inner wall of the storage groove (302), and one end of the first spring (305) close to the first damping rod (304) is fixedly connected to one end of the first damping rod (304).

2. A test bench using a torsion measuring sound wheel device according to claim 1, characterized in that: A moving ring (306) is slidably sleeved on the surface of the transfer shaft (2), a supporting ring (310) is fixedly connected to the surface of the transfer shaft (2), a fixing rod (307) is evenly fixedly connected to the side of the moving ring (306) close to the supporting ring (310), the fixing rod (307) is slidably inserted through and inserted on one side of the positioning strip (303), a fixing groove (308) is opened on one side of the main body (1) of the torsion measuring sound wheel device, the inner wall of the fixing groove (308) is slidably connected to the fixing rod (307), a second spring (309) is sleeved on the surface of the fixing rod (307), one end of the second spring (309) is fixedly connected to one side of the moving ring (306), and one end of the second spring (309) close to the fixing rod (307) is fixedly connected to one side of the supporting ring (310).

3. A test bench using a torsion measuring sound wheel device according to claim 2, characterized in that: The inner wall of the support ring (310) is slidably connected to a locking frame (311); one side of the inner wall of the support ring (310) is fixedly connected to a second damping rod (312); one end of the second damping rod (312) away from the support ring (310) is fixedly connected to one end of the locking frame (311); a third spring (313) is sleeved on the surface of the second damping rod (312); one end of the third spring (313) is fixedly connected to one side of the inner wall of the support ring (310); one end of the third spring (313) close to the second damping rod (312) is fixedly connected to one end of the locking frame (311); and the locking frame (311) is slidably sleeved on the surface of the moving ring (306).

4. A test bench using a torsion measuring sound wheel device according to claim 2, characterized in that: A circular groove (314) is formed at one end of the movable ring (306) away from the fixed rod (307); a round rod (317) is slidably connected to the inner wall of the circular groove (314); the round rod (317) is slidably inserted into the side of the positioning frame (311) away from the inner wall of the supporting ring (310); a third damping rod (315) is fixedly connected to one side of the inner wall of the circular groove (314); an end of the third damping rod (315) away from the circular groove (314) is fixedly connected to one end of the round rod (317); a fourth spring (316) is sleeved on the surface of the third damping rod (315); one end of the fourth spring (316) is fixedly connected to one side of the inner wall of the circular groove (314); and one end of the fourth spring (316) close to the third damping rod (315) is fixedly connected to one end of the round rod (317).

5. The torsion measuring and sound wheel device used in the test bench according to claim 1 is characterized in that: The fixing device (4) comprises a first fixing block (401) and a second fixing block (402); a side of the second fixing block (402) close to the first fixing block (401) is fixedly connected to a limiting ring (405); the limiting ring (405) is slidably sleeved on the surface of one end of the first fixing block (401); a positioning rod (407) is slidably inserted through one side of the limiting ring (405); the positioning rod (407) is slidably inserted on one side of the first fixing block (401); an end of the positioning rod (407) away from the limiting ring (405) is fixedly connected to an arc plate (406); the arc plate (406) is sleeved on the surface of the limiting ring (405).

6. A torsion measuring and sound wheel device for a test bench according to claim 5, characterized in that: A fourth damping rod (408) is fixedly connected to one side of the arc plate (406) away from the positioning rod (407); one end of the fourth damping rod (408) away from the arc plate (406) is fixedly connected to one side of the inner wall of the second fixed block (402); a fifth spring (409) is sleeved on the surface of the fourth damping rod (408); one end of the fifth spring (409) is fixedly connected to one side of the arc plate (406); and one end of the fifth spring (409) close to the fourth damping rod (408) is fixedly connected to one side of the inner wall of the second fixed block (402).

7. A torsion measuring and sound wheel device for a test bench according to claim 5, characterized in that: A locking groove (403) is fixedly connected to one side of the first fixing block (401), a locking rod (404) is slidably connected to the inner wall of the locking groove (403), and an end of the locking rod (404) away from the locking groove (403) is fixedly connected to one side of the second fixing block (402).

8. A torsion measuring and sound wheel device for a test bench according to claim 5, characterized in that: A semicircular plate (410) is sleeved on the surface of the limiting ring (405), and the semicircular plate (410) is sleeved on the surface of the arc-shaped plate (406). A rectangular plate (411) is fixedly connected to one side of the semicircular plate (410) close to the second fixing block (402).

9. A torsion measuring and sound wheel device for a test bench according to claim 8, characterized in that: A fifth damping rod (412) is fixedly connected to one side of the rectangular plate (411) away from the semicircular plate (410), and one end of the fifth damping rod (412) away from the rectangular plate (411) is fixedly connected to one side of the second fixing block (402).

10. A torsion measuring and sound wheel device for a test bench according to claim 9, characterized in that: A sixth spring (413) is sleeved on the surface of the fifth damping rod (412), one end of the sixth spring (413) is fixedly connected to one side of the rectangular plate (411), and one end of the sixth spring (413) close to the fifth damping rod (412) is fixedly connected to one side of the second fixed block (402).

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