Transmission shaft universal joint testing machine

Abstract

The utility model discloses a transmission shaft universal joint testing machine, and relates to the technical field of universal joint testing. The universal joint shaft testing device comprises a testing frame, a universal joint shaft body is arranged on the inner side of the testing frame, flange plates are fixedly connected to the two ends of the universal joint shaft body, supports which are symmetrically distributed are arranged on the inner side of the testing frame, testing motors are fixedly connected to the inner sides of the supports, and connecting plates are fixedly connected to the driving ends of the testing motors. The connecting plates are movably connected with the corresponding flange plates; the first motor is controlled to rotate the transverse lead screw, the transverse lead screw drives the left moving block to move transversely, the left moving block drives the universal joint shaft body to adjust the transverse angle, the second motor is utilized to rotate the vertical lead screw, the vertical lead screw drives the right moving block to move vertically, and the right moving block can drive the universal joint shaft body to adjust the vertical angle. Therefore, the test flexibility of the universal joint shaft body is further improved, multi-angle test of the universal joint shaft body is facilitated, and the test is more comprehensive and efficient.

Description

Technical Field

[0001] This utility model relates to the field of universal joint testing technology, specifically a universal joint testing machine for drive shafts. Background Technology

[0002] The universal joint of the driveshaft is a crucial component in the automotive transmission system. Its main function is to transmit power and allow the driveshaft to deflect within a certain angle to adapt to uneven road surfaces and the movement of the suspension system during vehicle operation. The performance of the universal joint directly affects the vehicle's handling stability, driving comfort, and safety. Therefore, it is particularly important to conduct comprehensive and accurate testing of the performance of the driveshaft universal joint. Traditional testing equipment can only perform single-direction loading tests on the universal joint and cannot simulate the complex multi-angle force conditions in actual use, resulting in insufficient comprehensive testing and a need for improvement. To address the above problems, the inventors have proposed a driveshaft universal joint testing machine to solve these issues. Utility Model Content

[0003] To solve the above technical problems, the present invention adopts the following technical solution: a universal joint testing machine for a drive shaft, comprising a testing frame, a universal joint shaft body disposed on the inner side of the testing frame, flanges fixedly connected to both ends of the universal joint shaft body, symmetrically distributed supports disposed on the inner side of the testing frame, a testing motor fixedly connected to the inner side of each support, a connecting plate fixedly connected to the drive end of each testing motor, the connecting plate being movably connected to the corresponding flange, a transverse groove being provided at one end of the testing frame, a transverse lead screw being rotatably installed on the inner side of the transverse groove, a left shift block being threaded on the outer side of the transverse lead screw, and one end of the support on the left side being fixedly connected to the left shift block, and a vertical groove being provided at one end of the testing frame, a vertical lead screw being rotatably installed on the inner side of the vertical groove, a right shift block being threaded on the outer side of the vertical lead screw, and one end of the support on the right side being fixedly connected to the right shift block.

[0004] Preferably, one end of each connecting plate is fixedly installed with an array of studs, and one end of each flange is provided with an array of connecting holes. One end of each stud slides through the corresponding connecting hole and is threaded with a nut. One end of the nut is in movable contact with the flange.

[0005] Preferably, a horizontal column is fixedly mounted on the inner side of the horizontal groove, one end of the left shift block is slidably sleeved on the outer side of the horizontal column, a vertical column is fixedly mounted on the inner side of the vertical groove, and one end of the right shift block is slidably sleeved on the outer side of the right shift block.

[0006] Preferably, a first motor is fixedly installed on the front of the test frame, and a second motor is fixedly installed on the top surface of the test frame. The drive end of the first motor is fixedly connected to the horizontal lead screw, and the drive end of the second motor is fixedly connected to the vertical lead screw.

[0007] Preferably, a controller is fixedly mounted on the top of the test frame.

[0008] Preferably, the bottom surface of the test frame is fixedly equipped with an array of movable wheels.

[0009] Preferably, a fixing plate is fixedly installed on the lower front of the test frame, a telescopic cylinder is fixedly installed on one end of the fixing plate, and a positioning palm is fixedly connected to the output end of the telescopic cylinder.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. By controlling the first motor to rotate the horizontal lead screw, the horizontal lead screw drives the left moving block to move laterally, and the left moving block drives the universal joint shaft body to adjust the lateral angle. By using the second motor to rotate the vertical lead screw, the vertical lead screw drives the right moving block to move vertically, and the right moving block can drive the universal joint shaft body to adjust the vertical angle, thereby further improving the testing flexibility of the universal joint shaft body, facilitating multi-angle testing of the universal joint shaft body, and making it more comprehensive and efficient.

[0012] 2. The universal joint shaft body is fixed by passing the stud through the connecting hole and then tightening the nut, which facilitates the stability of the universal joint shaft body during testing. The structure is simple and the operation is convenient and practical. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram showing the disassembled structure of this utility model.

[0016] Figure 3 This is a schematic diagram showing the structural breakdown of this utility model.

[0017] In the diagram: 1. Test frame; 11. Universal joint shaft body; 12. Flange; 13. Support; 14. Test motor; 15. Connecting plate; 16. Horizontal groove; 17. Horizontal lead screw; 18. Leftward moving block; 19. Vertical groove; 20. Vertical lead screw; 21. Rightward moving block; 22. Stud; 23. Connecting hole; 24. Nut; 25. Horizontal column; 26. Vertical column; 27. First motor; 28. Second motor; 29. ​​Controller; 30. Moving wheel; 31. Fixing plate; 32. Telescopic cylinder; 33. Positioning palm. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example: Figure 1-3 As shown, this utility model provides a technical solution: a universal joint testing machine for a transmission shaft, including a test frame 1, a universal joint shaft body 11 is provided on the inner side of the test frame 1, flanges 12 are fixedly connected to both ends of the universal joint shaft body 11, symmetrically distributed supports 13 are provided on the inner side of the test frame 1, test motors 14 are fixedly connected to the inner side of each support 13, connecting plates 15 are fixedly connected to the drive ends of each test motor 14, and the connecting plates 15 are movably connected to the corresponding flanges 12. A horizontal groove 16 is provided at one end of the test frame 1, a horizontal lead screw 17 is rotatably installed on the inner side of the horizontal groove 16, a left shift block 18 is threaded on the outer side of the horizontal lead screw 17, one end of the support 13 on the left side is fixedly connected to the left shift block 18, a vertical groove 19 is provided at one end of the test frame 1, a vertical lead screw 20 is rotatably installed on the inner side of the vertical groove 19, a right shift block 21 is threaded on the outer side of the vertical lead screw 20, and one end of the support 13 on the right side is fixedly connected to the right shift block 21.

[0020] One end of the connecting plate 15 is fixedly installed with an array of studs 22, and one end of the flange 12 is provided with an array of connecting holes 23. One end of the stud 22 slides through the corresponding connecting hole 23 and is threaded with a nut 24. One end of the nut 24 is in movable contact with the flange 12.

[0021] By adopting the above technical solution, the universal joint shaft body 11 is fixed by passing the stud 22 through the connecting hole 23 and then tightening the nut 24, which facilitates the improvement of the stability of the universal joint shaft body 11 during testing. The structure is simple and the operation is convenient and practical.

[0022] The inner side of the horizontal groove 16 is fixed with a horizontal column 25, and one end of the left shift block 18 is slidably sleeved on the outside of the horizontal column 25. The inner side of the vertical groove 19 is fixed with a vertical column 26, and one end of the right shift block 21 is slidably sleeved on the outside of the right shift block 21.

[0023] By adopting the above technical solution, the horizontal column 25 is set to help guide the left moving block 18, and the vertical column 26 is set to help guide the right moving block 21.

[0024] A first motor 27 is fixedly installed on the front of the test frame 1, and a second motor 28 is fixedly installed on the top surface of the test frame 1. The drive end of the first motor 27 is fixedly connected to the horizontal lead screw 17, and the drive end of the second motor 28 is fixedly connected to the vertical lead screw 20.

[0025] By adopting the above technical solution, the operation of the horizontal lead screw 17 is controlled by setting the first motor 27, and the operation of the vertical lead screw 20 is controlled by setting the second motor 28.

[0026] A controller 29 is fixedly mounted on the top of the test frame 1.

[0027] By adopting the above technical solution, the test parameters of the universal joint shaft body 11 can be easily adjusted by setting the controller 29.

[0028] The bottom surface of the test frame 1 is fixedly equipped with an array of moving wheels 30.

[0029] By adopting the above technical solution, the test frame 1 can be moved by setting the moving wheel 30.

[0030] A fixing plate 31 is fixedly installed on the lower front of the test frame 1. A telescopic cylinder 32 is fixedly installed on one end of the fixing plate 31. A positioning palm 33 is fixedly connected to the output end of the telescopic cylinder 32.

[0031] By adopting the above technical solution, the positioning palm 33 is pushed down by activating the telescopic cylinder 32. After the positioning palm 33 moves down and contacts the ground, it is easy to position the moving wheel 30 and prevent it from moving randomly.

[0032] Working principle: First, the universal joint shaft body 11 is placed in the test frame 1. Then, the stud 22 is passed through the connecting hole 23, and the nut 24 is installed and tightened to fix the universal joint shaft body 11, which facilitates the stability of the universal joint shaft body 11 during testing. The structure is simple and the operation is convenient and practical. After the universal joint shaft body 11 is positioned, the test motor 14 can be started to rotate the universal joint shaft body 11 for torque testing. By controlling the first motor 27 to rotate the horizontal lead screw 17, the horizontal lead screw 17 drives the left shift block 18 to move laterally. The left shift block 18 drives the universal joint shaft body 11 to adjust its lateral angle. The second motor 28 rotates the vertical lead screw 20, which drives the right shift block 21 to move vertically. The right shift block 21 can drive the universal joint shaft body 11 to adjust its vertical angle, thereby further improving the testing flexibility of the universal joint shaft body 11 and facilitating multi-angle testing of the universal joint shaft body 11, making it more comprehensive and efficient.

[0033] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A propeller shaft universal joint testing machine comprising a test frame (1), characterized in that: The test frame (1) has a universal joint shaft body (11) on its inner side. Flanges (12) are fixedly connected to both ends of the universal joint shaft body (11). Symmetrically distributed supports (13) are provided on the inner side of the test frame (1). Test motors (14) are fixedly connected to the inner sides of each support (13). Connecting discs (15) are fixedly connected to the drive ends of each test motor (14). The connecting discs (15) are movably connected to the corresponding flanges (12). A transverse groove is provided at one end of the test frame (1). 16) A horizontal lead screw (17) is rotatably installed on the inner side of the horizontal groove (16). A left shift block (18) is threaded on the outer side of the horizontal lead screw (17). One end of the support (13) on the left side is fixedly connected to the left shift block (18). A vertical groove (19) is opened at one end of the test frame (1). A vertical lead screw (20) is rotatably installed on the inner side of the vertical groove (19). A right shift block (21) is threaded on the outer side of the vertical lead screw (20). One end of the support (13) on the right side is fixedly connected to the right shift block (21).

2. A universal joint tester for propeller shafts as claimed in claim 1, characterized in that One end of each connecting plate (15) is fixedly installed with an array of studs (22), and one end of each flange (12) is provided with an array of connecting holes (23). One end of each stud (22) slides through the corresponding connecting hole (23) and is threaded with a nut (24). One end of the nut (24) is in movable contact with the flange (12).

3. A universal joint tester for propeller shafts as claimed in claim 1, characterized in that The inner side of the transverse groove (16) is fixed with a horizontal column (25), one end of the left shift block (18) is slidably sleeved on the outside of the horizontal column (25), the inner side of the vertical groove (19) is fixed with a vertical column (26), and one end of the right shift block (21) is slidably sleeved on the outside of the right shift block (21).

4. A universal joint tester for propeller shafts as claimed in claim 1, wherein, A first motor (27) is fixedly installed on the front of the test frame (1), and a second motor (28) is fixedly installed on the top surface of the test frame (1). The driving end of the first motor (27) is fixedly connected to the horizontal lead screw (17), and the driving end of the second motor (28) is fixedly connected to the vertical lead screw (20).

5. A universal joint testing machine for propeller shafts as claimed in claim 1, characterized in that A controller (29) is fixedly mounted on the top of the test frame (1).

6. A universal joint testing machine for propeller shafts as claimed in claim 1, characterized in that The bottom surface of the test frame (1) is fixedly equipped with an array of moving wheels (30).

7. A universal joint testing machine for propeller shafts as claimed in claim 1, characterized in that A fixing plate (31) is fixedly installed on the lower front of the test frame (1). A telescopic cylinder (32) is fixedly installed on one end of the fixing plate (31). A positioning palm (33) is fixedly connected to the output end of the telescopic cylinder (32).

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