Strength detection device for transmission shaft

Abstract

The utility model relates to the technical field of transmission shaft strength detection, and provides a transmission shaft strength detection device which comprises a supporting base, a first fixing plate fixedly arranged on one side of the top end of the supporting base, a first shaft base fixedly arranged at the top end of the first fixing plate, and a rolling wheel rotationally arranged on the inner wall of the upper portion of the first shaft base. A clamp shell is rotatably arranged on the outer side of the rolling wheel, a first sliding groove is formed in the outer side of the clamp shell, a fixing clamp is arranged in the first sliding groove in a reciprocating sliding mode, a second sliding groove is fixedly formed in the clamp shell, a clamp rotating wheel is arranged in the second sliding groove in a reciprocating sliding mode, and a third sliding groove is formed in the outer side of the clamp rotating wheel; by means of the technical scheme, the problems that in the prior art, in the using process, a three-jaw chuck needs to be manually controlled to fix a transmission shaft, manual operation easily causes unstable clamping of the transmission shaft by the three-jaw chuck, and the transmission shaft falls off in the detection process to cause danger are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission shaft strength detection, in particular to a transmission shaft strength detection device. Background Art

[0002] The shaft is an important component of mechanical equipment. The shaft is mainly used to transmit power during the power transmission process and the guiding process. In the transmission equipment, the working conditions of the drive shaft are not the same. The torsion test of the shaft can detect and test the torsional strength of the shaft and check whether the data of the drive shaft meets the standards. If a defective drive shaft enters the market, serious consequences will occur.

[0003] The patent specification with application number 202221013888.9 discloses a torsional strength detection device for a motor transmission shaft, comprising a frame, a manual three-jaw chuck rotatably arranged on the frame, and the manual three-jaw chuck clamps the motor transmission shaft in the working state; it also includes a movable bracket movably arranged on the frame along the axis direction of the manual three-jaw chuck, and the movable bracket has a torque detection component; an adjustment component for automatically controlling the retraction and extension of the jaws of the manual three-jaw chuck is arranged on one side of the manual three-jaw chuck, and the adjustment component includes a docking joint that is plugged and matched with the wrench joint of the manual three-jaw chuck along the radial direction of the manual three-jaw chuck; the adjustment component also includes a rotation drive component for controlling the rotation of the docking joint, and a linear drive component for controlling the radial movement of the docking joint along the manual three-jaw chuck. The utility model facilitates the fixing of the transmission shaft and has the function of automatic feeding.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned torsional strength detection device for a motor drive shaft has the following problems: a torsional strength detection device for a motor drive shaft requires manual control of a three-jaw chuck to fix the drive shaft during use. Manual operation can easily lead to unstable clamping of the three-jaw chuck on the drive shaft, causing the drive shaft to fall during the detection process, which is dangerous.

[0005] Therefore, we proposed a strength detection device for the transmission shaft. Utility Model Content

[0006] The utility model proposes a strength detection device for a transmission shaft, which solves the problem in the related technology that a three-jaw chuck needs to be manually controlled to fix the transmission shaft during use, and manual operation easily leads to unstable clamping of the three-jaw chuck on the transmission shaft, causing the transmission shaft to fall during the detection process, which is dangerous.

[0007] The technical solution of the utility model is as follows:

[0008] A strength detection device for a transmission shaft comprises a supporting base, a first fixing plate is fixedly provided on one side of the top of the supporting base, a first shaft base is fixedly provided on the top of the first fixing plate, a rolling wheel is rotatably provided on the upper inner wall of the first shaft base, a clamp shell is rotatably provided on the outer side of the rolling wheel, a first sliding groove is provided on the outer side of the clamp shell, a fixing clamp is reciprocatingly provided inside the first sliding groove, a second sliding groove is fixedly provided inside the clamp shell, and a clamp rotating wheel is reciprocatingly provided inside the second sliding groove, a third sliding groove is provided on the outer side of the clamp rotating wheel, and the other end of the fixing clamp slides inside the third sliding groove, a rotating groove is provided on one side of the clamp rotating wheel, and a limiting wheel is rotatably provided inside the rotating groove.

[0009] Preferably, a third fixing plate is fixedly provided on the top of the support base, a second screw rod is rotatably provided inside the third fixing plate, and a shaft support frame is sleeved on the outer side of the second screw rod.

[0010] Preferably, a large gear is sleeved on the outer side of the fixture housing, and small gears are meshed on the large gear teeth.

[0011] Preferably, a fixing block is fixedly provided on the top of the first fixing plate, a second motor is fixedly provided inside the fixing block, and an output end of the second motor passes through the fixing block and is fixedly connected to a pinion gear.

[0012] Preferably, a second fixing plate is fixedly provided on the other side of the top end of the support base, a first screw rod is rotatably provided inside the second fixing plate, and a second shaft base is sleeved on the outer side of the first screw rod.

[0013] Preferably, a first motor is fixedly provided on the outer side of the second fixing plate, and an output end of the first motor is fixedly connected to the first screw rod.

[0014] Preferably, a hand wheel is fixedly provided on one side of the second screw rod, and the hand wheel rotates outside the third fixed plate.

[0015] Preferably, a cylinder is fixedly provided on the top of the fixed block, and the output end of the cylinder is fixedly connected to the limiting wheel.

[0016] The working principle and beneficial effects of the utility model are:

[0017] In the utility model, by setting a clamp shell, the movement of the limit wheel drives the clamp wheel to slide inside the second slide groove, the movement of the clamp wheel drives one end of the fixed clamp to slide inside the third slide groove, and the movement of the clamp wheel drives the other end of the fixed clamp to slide inside the first slide groove of the clamp shell, thereby achieving the purpose of automatically clamping the transmission shaft, and the rotation of the small gear drives the large gear to rotate, thereby achieving the purpose of automatically clamping the transmission shaft and performing strength testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the structure of a strength detection device for a transmission shaft of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the explosion structure of the fixture housing proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the exploded cross-sectional structure of the fixture shell.

[0023] In the figure: 1. support base; 2. first fixed plate; 3. fixed block; 4. cylinder; 5. fixture housing; 6. large gear; 7. small gear; 8. rolling wheel; 9. first axis base; 10. fixing clamp; 11. first slide groove; 12. second slide groove; 13. rotating groove; 14. fixture rotating wheel; 15. limiting wheel; 16. second fixed plate; 17. first screw rod; 18. second axis base; 19. first motor; 20. third fixed plate; 21. second screw rod; 22. axis support frame; 23. hand wheel; 24. second motor; 25. third slide groove. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] like Figure 1 to Figure 4As shown, this embodiment proposes a strength detection device for a transmission shaft, including a support base 1, a first fixing plate 2 is fixedly provided on one side of the top of the support base 1, a first shaft base 9 is fixedly provided on the top of the first fixing plate 2, a rolling wheel 8 is rotatably provided on the upper inner wall of the first shaft base 9, a fixture shell 5 is rotatably provided on the outer side of the rolling wheel 8, a first slide groove 11 is opened on the outer side of the fixture shell 5, a fixing clamp 10 is reciprocatingly slidable inside the first slide groove 11, a second slide groove 12 is fixedly provided inside the fixture shell 5, and the inside of the second slide groove 12 is reciprocatingly slidable. There is a clamp wheel 14 for repeated sliding, and a third sliding groove 25 is opened on the outer side of the clamp wheel 14. The clamp wheel 14 moves to drive the other end of the fixed clamp 10 to slide inside the first sliding groove 11 of the clamp housing 5, so as to achieve the purpose of automatically clamping the transmission shaft, and the other end of the fixed clamp 10 slides inside the third sliding groove 25. A rotating groove 13 is opened on one side of the clamp wheel 14, and a limiting wheel 15 is rotated inside the rotating groove 13. The limiting wheel 15 moves to drive the clamp wheel 14 to slide inside the second sliding groove 12 of the clamp housing 5.

[0027] In this embodiment, a large gear 6 is sleeved on the outer side of the clamp housing 5, and a small gear 7 is meshed with the large gear 6. A fixed block 3 is fixedly provided on the top of the first fixed plate 2, and a second motor 24 is fixedly provided inside the fixed block 3. The output end of the second motor 24 passes through the fixed block 3 and is fixedly connected to the small gear 7. The output end of the second motor 24 rotates to drive the small gear 7 to rotate. A second fixed plate 16 is fixedly provided on the other side of the top of the support base 1, and a first screw rod 17 is rotatably provided inside the second fixed plate 16. A second shaft base 18 is sleeved on the outer side of the first screw rod 17. The first screw rod 17 rotates to drive the second shaft base 18 to move at the top of the second fixed plate 16.

[0028] Example 2

[0029] like Figure 1 to Figure 4 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that a third fixing plate 20 is fixedly provided on the top of the support base 1, a second screw rod 21 is rotatably provided inside the third fixing plate 20, and an outer side of the second screw rod 21 is sleeved with a shaft support frame 22.

[0030] In this embodiment, a first motor 19 is fixedly provided on the outer side of the second fixed plate 16, and the output end of the first motor 19 is fixedly connected to the first screw rod 17. The output end of the first motor 19 rotates to drive the first screw rod 17 to rotate. A handwheel 23 is fixedly provided on one side of the second screw rod 21, and the handwheel 23 rotates on the outer side of the third fixed plate 20. The rotation of the handwheel 23 drives the second screw rod 21 to rotate. The rotation of the second screw rod 21 drives the shaft support frame 22 to move. A cylinder 4 is fixedly provided on the top of the fixed block 3, and the output end of the cylinder 4 is fixedly connected to the limiting wheel 15. The movement of the output end of the cylinder 4 drives the limiting wheel 15 to move.

[0031] Working principle: When the staff conducts the strength test of the transmission shaft, they first place the transmission shaft on the shaft support frame 22, turn the handwheel 23 on the outside of the third fixed plate 20, the rotation of the handwheel 23 drives the second screw rod 21 to rotate, the rotation of the second screw rod 21 drives the shaft support frame 22 to move, the movement of the shaft support frame 22 moves the transmission shaft to the upper middle part of the third fixed plate 20, start the first motor 19, the output end of the first motor 19 rotates to drive the first screw rod 17 to rotate, the rotation of the first screw rod 17 drives the second shaft base 18 to move at the top of the second fixed plate 16, fit one end of the transmission shaft with the inner wall of the second shaft base 18, push the other end of the transmission shaft into the inside of the fixture housing 5, start the cylinder 4, the output end of the cylinder 4 moves to drive the limit The positioning wheel 15 moves, and the limiting wheel 15 drives the clamp wheel 14 to slide in the second slide groove 12 of the clamp housing 5. The clamp wheel 14 moves to drive one end of the fixed clamp 10 to slide in the third slide groove 25. The clamp wheel 14 moves to drive the other end of the fixed clamp 10 to slide in the first slide groove 11 of the clamp housing 5, thereby achieving the purpose of automatically clamping the transmission shaft, starting the second motor 24, and the output end of the second motor 24 rotates to drive the small gear 7 to rotate, and the small gear 7 rotates to drive the large gear 6 to rotate, and the large gear 6 rotates to drive the clamp housing 5 to rotate, the limiting wheel 15 rotates in the rotating groove 13, and the clamp housing 5 rotates to drive the transmission shaft to rotate, thereby achieving the purpose of testing the strength of the transmission shaft.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A strength detection device for a transmission shaft, comprising a support base (1), characterized in that: A first fixed plate (2) is fixedly provided on one side of the top of the support base (1), a first shaft base (9) is fixedly provided on the top of the first fixed plate (2), a rolling wheel (8) is rotatably provided on the upper inner wall of the first shaft base (9), a clamp shell (5) is rotatably provided on the outer side of the rolling wheel (8), a first sliding groove (11) is provided on the outer side of the clamp shell (5), a fixed clamp (10) is reciprocatingly slid inside the first sliding groove (11), a second sliding groove (12) is fixedly provided inside the clamp shell (5), and a clamp rotating wheel (14) is reciprocatingly slid inside the second sliding groove (12), a third sliding groove (25) is provided on the outer side of the clamp rotating wheel (14), and the other end of the fixed clamp (10) slides inside the third sliding groove (25), a rotating groove (13) is provided on one side of the clamp rotating wheel (14), and a limiting wheel (15) is rotatably provided inside the rotating groove (13).

2. A transmission shaft strength detection device according to claim 1, characterized in that: A third fixing plate (20) is fixedly provided on the top of the support base (1), a second screw rod (21) is rotatably provided inside the third fixing plate (20), and a shaft support frame (22) is sleeved on the outer side of the second screw rod (21).

3. The strength detection device for a transmission shaft according to claim 1, characterized in that: A large gear (6) is sleeved on the outer side of the clamp housing (5), and a small gear (7) is meshed with the large gear (6).

4. The strength detection device for a transmission shaft according to claim 1, characterized in that: A fixing block (3) is fixedly provided at the top end of the first fixing plate (2), a second motor (24) is fixedly provided inside the fixing block (3), and an output end of the second motor (24) passes through the fixing block (3) and is fixedly connected to the pinion (7).

5. The strength detection device for a transmission shaft according to claim 1, characterized in that: A second fixing plate (16) is fixedly provided on the other side of the top end of the support base (1), a first screw rod (17) is rotatably provided inside the second fixing plate (16), and a second shaft base (18) is sleeved on the outer side of the first screw rod (17).

6. A transmission shaft strength detection device according to claim 5, characterized in that: A first motor (19) is fixedly provided on the outer side of the second fixing plate (16), and an output end of the first motor (19) is fixedly connected to the first screw rod (17).

7. A transmission shaft strength detection device according to claim 2, characterized in that: A hand wheel (23) is fixedly provided on one side of the second screw rod (21), and the hand wheel (23) rotates outside the third fixed plate (20).

8. The transmission shaft strength detection device according to claim 4, characterized in that: A cylinder (4) is fixedly provided on the top of the fixed block (3), and the output end of the cylinder (4) is fixedly connected to the limiting wheel (15).

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