Spherical cage type constant velocity universal joint detection device
By designing a ball cage-type constant speed universal joint detection device, the angle transformation and load application are achieved using the driving and conversion mechanism, the problem of the existing detection methods being too one-sided is solved, and the comprehensive detection of universal joint performance is achieved and the detection is improved. comprehensiveness and accuracy.
Patent Information
- Application Number
- CN202411822735.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2044-12-12
AI Technical Summary
The existing cage-type constant velocity universal joint detection method is too one-sided and fails to fully detect the performance of its angle and different positions in the shaft section, especially its fatigue resistance and wear resistance.
A ball cage-type constant speed universal joint detection device is designed, including a base, a driving mechanism, a conversion mechanism and a pressure pressing mechanism, which can change the angle of the universal joint in real time and apply loads at different positions and directions of its shaft section. , comprehensive inspection of universal joints is achieved through components such as drive motor, angle motor, conversion motor and pressure cylinder.
Achieve comprehensive inspection of the cage-type constant speed universal joint, which can add oil, change angles and apply loads during the inspection process, improve the comprehensiveness and accuracy of the inspection, and ensure that the performance of the universal joint is more comprehensive. and reliable.
Smart Images

Figure CN119290394A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of universal joint detection, and in particular to a ball cage type constant velocity universal joint detection device. Background Art
[0002] A ball cage type constant velocity joint is a mechanical device for transmitting torque and angle, which is commonly found in the transmission system of an automobile. It allows the drive wheel to maintain a constant driving efficiency and angle when turning. A ball cage type constant velocity joint is widely used in the drive shaft system of front-wheel drive and four-wheel drive automobiles, and is an important component for ensuring the power transmission efficiency and stability of the vehicle. For the production and processing of ball cage type constant velocity joints, the detection of their working performance is of vital importance. At present, the detection of ball cage type constant velocity joints is generally carried out by installing them, driving them to rotate, and detecting their fatigue resistance and wear resistance. The detection items are too one-sided. Based on this, the present invention proposes a detection device for ball cage type constant velocity joints, which can change the angle of the ball cage type constant velocity joint in real time, and can additionally apply loads at different positions and different orientations of its shaft segment to improve the comprehensiveness of the detection. Summary of the invention
[0003] In view of the above technical problems, the present invention can change the angle of the ball cage type constant velocity universal joint in real time, and can additionally apply loads at different positions and orientations of its shaft section to improve the comprehensiveness of the detection.
[0004] The scheme used in the present invention is: a ball cage type constant velocity universal joint detection device, including a base, one end of the base is provided with a support mounting seat for supporting and mounting a workpiece, a side of the base is provided with an oiling mechanism, one end of the base is provided with a driving mechanism, the driving mechanism includes a mounting slide slidably mounted on the base, a driving mounting table is rotatably arranged on the mounting slide, and a clamping seat for clamping and fixing the workpiece is radially slidably arranged on the driving mounting table; a conversion mechanism is provided on the other end of the base, the conversion mechanism includes an angle frame rotatably mounted on the base, and an arc is provided on the angle frame A conversion slide is rotatably arranged on the arc track and the arc rack, a rotating drum is rotatably mounted on the conversion slide, and a clamping mechanism is arranged on the rotating drum for clamping and fixing the workpiece; a pressure mechanism is also arranged on the conversion slide, and the pressure mechanism includes a pressure mounting frame slidably mounted on the conversion slide, a pressure oil cylinder is rotatably mounted on the pressure mounting frame, and a pressure part is arranged on the telescopic rod of the pressure oil cylinder; the conversion slide converts the angle on the arc rack and the arc track to change the transmission angle of the workpiece; the pressure part on the pressure mechanism applies pressure to the workpiece in all directions.
[0005] Preferably, the oil adding mechanism comprises a transmission box arranged on the base, the transmission box is connected to the adding part, a control electric cylinder is arranged on the base, and a telescopic rod of the control electric cylinder is connected to the adding part to control the movement of the adding part.
[0006] Preferably, the driving mechanism includes a displacement electric cylinder arranged on the base, the displacement electric cylinder is used to control the movement of the mounting slide, a driving motor is arranged on the mounting slide, the driving motor is used to drive the driving mounting platform, a clamping control motor is arranged on the driving mounting platform, a gear 1 is arranged on the output shaft of the clamping control motor, a gear ring is rotatably installed on the driving mounting platform, the circumferential surface of the gear ring of gear 1 constitutes a gear pair, and the gear ring is used to drive the clamping seat to move.
[0007] Preferably, a screw rod and a guide rod are provided on the clamping seat, the screw rod and the guide rod are slidably fitted on the driving mounting platform, and a second gear is rotatably mounted on the driving mounting platform, the second gear and the screw rod form a spiral pair, and the second gear and the end face of the gear ring form a gear pair.
[0008] Preferably, the conversion mechanism includes an angle motor arranged on the base, the angle motor is used to drive the angle frame, a conversion motor is arranged on the conversion slide, gear three is arranged on the output shaft of the conversion motor, gear three and the arc-shaped rack form a gear pair; clamping cylinders are arranged on both sides of the conversion slide, and a clamping plate is arranged on the telescopic rod of the clamping cylinder, and the clamping plate presses the side of the arc-shaped track to stabilize the conversion slide.
[0009] Preferably, the clamping mechanism includes a pushing cylinder arranged inside the rotating drum, a pushing plate is arranged on the telescopic rod of the pushing cylinder, a pushing seat is arranged on the end face of the pushing plate, a sliding rod is slidably installed on the rotating drum, a clamping sliding seat is arranged at one end of the sliding rod, the clamping sliding seat is pushed by the pushing seat, and a spring for providing elastic force is connected between the top end of the sliding rod and the circumferential surface of the rotating drum.
[0010] Preferably, the surface of the pushing seat 1 facing the clamping slide is an inclined surface, and the surface of the clamping slide facing the pushing seat 1 is also an inclined surface. The upper inclined surface of the pushing seat 1 contacts the upper inclined surface of the clamping slide to push the clamping slide to move, and the workpiece is clamped and fixed by the clamping slide.
[0011] Preferably, the pressure mechanism includes a connecting frame arranged on the conversion slide, on which a screw motor and an axial screw are arranged, and the screw motor is used to drive the axial screw; a pressure mounting frame is slidably mounted on the connecting frame, and the pressure mounting frame and the axial screw form a spiral pair; an azimuth motor is arranged on the pressure mounting frame, and an azimuth gear is arranged on the output shaft of the azimuth motor, and the azimuth gear is used to adjust the azimuth of the pressure part, and a ball bearing is arranged on the pressure part.
[0012] Preferably, an azimuth gear ring is rotatably mounted on the pressure mounting frame, the pressure oil cylinder is arranged on the end face of the azimuth gear ring, and the azimuth gear ring and the azimuth gear form a gear pair.
[0013] Compared with the prior art, the present invention has the following advantages: (1) during the detection process, oil can be added to the workpiece, and oil can be added to the spherical connection area of the workpiece, that is, the height of the adding part can be controlled by controlling the electric cylinder, the oil is transmitted by the transmission box, and the adding part is released; (2) during the detection process, the angle of one end of the workpiece can be changed to complete the detection of different angles. Specifically, the angle motor is used to control the rotation of the angle frame to change the angle of the arc track and the arc rack. On the arc track and the arc rack, the conversion motor works and the conversion slide moves under the gear transmission, that is, the angle between the two ends of the workpiece is changed; and the torque continues to be transmitted, and the clamping plate can be controlled by the clamping cylinder to clamp the side of the arc track to stabilize the conversion slide; (3) the orientation of the pressure part is adjusted, and the movement of the pressure part is controlled by the pressure cylinder. The pressure part contacts the workpiece, and the ball bearing can reduce friction. The pressure part applies load to the workpiece, and a comprehensive detection operation is performed on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0015] Figure 2 It is a schematic diagram of the driving mechanism structure of the present invention.
[0016] Figure 3 It is a schematic diagram of the local structure of the driving mechanism of the present invention.
[0017] Figure 4 It is a schematic diagram of the conversion mechanism structure of the present invention.
[0018] Figure 5 It is a schematic diagram of the installation structure of the conversion slide of the present invention.
[0019] Figure 6 It is a schematic diagram of the installation structure of the rotary drum of the present invention.
[0020] Figure 7 It is a schematic diagram of the installation structure of the clamping mechanism of the present invention.
[0021] Figure 8 It is a schematic diagram of the installation structure of the pressure applying mechanism of the present invention.
[0022] Figure numerals: 1-base; 2-transmission box; 3-control electric cylinder; 4-adding part; 5-angle motor; 6-displacement electric cylinder; 7-mounting slide; 8-support mounting seat; 9-drive motor; 10-drive mounting platform; 11-clamping control motor; 12-gear 1; 13-gear ring; 14-clamping seat; 15-gear 2; 16-screw; 17-guide rod; 18-angle frame; 19-arc track; 20-arc rack; 21-conversion Slide; 22-conversion motor; 23-gear three; 24-clamping cylinder; 25-clamping plate; 26-rotating drum; 27-connecting frame; 28-screw motor; 29-axial screw; 30-pushing cylinder; 31-push plate; 32-pushing seat one; 33-clamping slide; 34-slide rod; 35-spring; 36-pressure mounting frame; 37-azimuth gear; 38-azimuth motor; 39-azimuth gear ring; 40-pressure cylinder; 41-pressure part. DETAILED DESCRIPTION
[0023] Example: Figures 1 to 8 As shown, a supporting mounting seat 8 is provided at one end of the base 1 for supporting and mounting a workpiece, and an oiling mechanism is provided on the side of the base 1; the oiling mechanism includes a transmission box 2 arranged on the base 1, and an adding part 4 is connected to the transmission box 2. A control electric cylinder 3 is provided on the base 1, and a telescopic rod of the control electric cylinder 3 is connected to the adding part 4 to control the movement of the adding part 4.
[0024] A driving mechanism is provided at one end of the base 1, and the driving mechanism includes a mounting slide 7 slidably mounted on the base 1, a driving mounting platform 10 is rotatably provided on the mounting slide 7, and a clamping seat 14 for clamping and fixing a workpiece is radially slidably provided on the driving mounting platform 10; the driving mechanism includes a displacement electric cylinder 6 provided on the base 1, the displacement electric cylinder 6 is used to control the movement of the mounting slide 7, a driving motor 9 is provided on the mounting slide 7, the driving motor 9 is used to drive the driving mounting platform 10, and a clamping control motor 11 is provided on the driving mounting platform 10 A gear 12 is provided on the output shaft of the clamping control motor 11, and a ring gear 13 is rotatably mounted on the driving mounting platform 10. The circumferential surface of the ring gear 13 of the gear 12 constitutes a gear pair, and the ring gear 13 is used to drive the clamping seat 14 to move; a screw rod 16 and a guide rod 17 are provided on the clamping seat 14, and the screw rod 16 and the guide rod 17 are slidably fitted on the driving mounting platform 10, and a gear 2 15 is rotatably mounted on the driving mounting platform 10, and the gear 2 15 and the screw rod 16 constitute a spiral pair, and the gear 2 15 and the end face of the ring gear 13 constitute a gear pair.
[0025] A conversion mechanism is arranged on the other end of the base 1, and the conversion mechanism includes an angle frame 18 rotatably mounted on the base 1, an arc-shaped track 19 and an arc-shaped rack 20 are arranged on the angle frame 18, a conversion slide 21 is rotatably arranged on the arc-shaped track 19 and the arc-shaped rack 20, a rotating drum 26 is rotatably mounted on the conversion slide 21, and a clamping mechanism is arranged on the rotating drum 26 for clamping and fixing the workpiece; a pressure mechanism is also arranged on the conversion slide 21, and the pressure mechanism includes a pressure mounting frame 36 slidably mounted on the conversion slide 21, a pressure cylinder 40 is rotatably mounted on the pressure mounting frame 36, and a pressure portion 41 is arranged on the telescopic rod of the pressure cylinder 40; the conversion slide 21 converts the angle on the arc-shaped rack 20 and the arc-shaped track 19 to change the transmission angle of the workpiece; the pressure portion 41 on the pressure mechanism applies pressure to the workpiece in all directions.
[0026] The conversion mechanism includes an angle motor 5 arranged on the base 1, and the angle motor 5 is used to drive the angle frame 18. A conversion motor 22 is arranged on the conversion slide 21, and a gear three 23 is arranged on the output shaft of the conversion motor 22. The gear three 23 and the arc rack 20 form a gear pair; a clamping cylinder 24 is arranged on both sides of the conversion slide 21, and a clamping plate 25 is arranged on the telescopic rod of the clamping cylinder 24. The clamping plate 25 presses the side of the arc track 19 to stabilize the conversion slide 21.
[0027] The clamping mechanism includes a pushing cylinder 30 arranged inside the rotating drum 26, a pushing plate 31 is arranged on the telescopic rod of the pushing cylinder 30, a pushing seat 32 is arranged on the end surface of the pushing plate 31, a sliding rod 34 is slidably installed on the rotating drum 26, a clamping slide 33 is arranged at one end of the sliding rod 34, the clamping slide 33 is pushed by the pushing seat 32, and a spring 35 for providing elastic force is connected between the top end of the sliding rod 34 and the circumferential surface of the rotating drum 26; the surface of the pushing seat 32 facing the clamping slide 33 is an inclined surface, and the surface of the clamping slide 33 facing the pushing seat 32 is also an inclined surface, the upper inclined surface of the pushing seat 32 contacts the upper inclined surface of the clamping slide 33 to push the clamping slide 33 to move, and the workpiece is clamped and fixed by the clamping slide 33.
[0028] The pressure mechanism includes a connecting frame 27 arranged on the conversion slide 21, and a screw motor 28 and an axial screw 29 are arranged on the connecting frame 27, and the screw motor 28 is used to drive the axial screw 29; a pressure mounting frame 36 is slidably mounted on the connecting frame 27, and the pressure mounting frame 36 and the axial screw 29 form a spiral pair; an azimuth motor 38 is arranged on the pressure mounting frame 36, and an azimuth gear 37 is arranged on the output shaft of the azimuth motor 38, and the azimuth gear 37 is used to adjust the azimuth of the pressure part 41, and a ball is arranged on the pressure part 41; an azimuth gear ring 39 is rotatably mounted on the pressure mounting frame 36, and a pressure cylinder 40 is arranged on the end face of the azimuth gear ring 39, and the azimuth gear ring 39 and the azimuth gear 37 form a gear pair.
[0029] The principle of implementing the present invention is as follows: one end of the workpiece to be measured is mounted on the supporting mounting seat 8, and the end is located on the inner side of the clamping seat 14. The clamping control motor 11 works, and under the gear transmission, the ring gear 13 rotates, that is, the gear 2 15 rotates, and the clamping seat 14 moves to complete the clamping and fixing of the end of the workpiece. The other end of the workpiece is located on the inner side of the slide rod 34. Specifically, the push plate 31 is controlled to slide by pushing the oil cylinder 30, and the pushing seat 1 32 pushes the clamping slide 33, so that the clamping slide 33 slides and clamps the workpiece; the workpiece is driven by the driving motor 9, the workpiece is subjected to torque transmission, and the rotating drum 26 rotates with the workpiece.
[0030] During the inspection process, oil can be added to the workpiece, and oil can be added to the spherical connection area of the workpiece, that is, the height of the adding part 4 is controlled by controlling the electric cylinder 3, the transmission box 2 transmits the oil, and the adding part 4 is released; during the inspection process, the angle of one end of the workpiece can be changed to complete the inspection of different angles. Specifically, the angle frame 18 is controlled to rotate by the angle motor 5 to change the angle of the arc track 19 and the arc rack 20. On the arc track 19 and the arc rack 20, the conversion motor 22 works, and under the gear transmission, the conversion slide 21 moves, that is, the angle between the two ends of the workpiece is changed; and the torque continues to be transmitted, and the clamping plate 25 can be controlled by the clamping cylinder 24 to clamp the side of the arc track 19 to stabilize the conversion slide 21.
[0031] During the process of workpiece angle conversion, the pressure mechanism follows the workpiece to convert the angle, that is, the workpiece is located on the inner side of the pressure mechanism, and the screw motor 28 can work, the axial screw 29 rotates, and the pressure mounting bracket 36 moves to adjust the position of the pressure part 41 on the workpiece shaft segment. Furthermore, through the operation of the azimuth motor 38, under the gear transmission, the azimuth gear ring 39 rotates to adjust the azimuth of the pressure part 41, and the movement of the pressure part 41 is controlled by the pressure cylinder 40. The pressure part 41 contacts the workpiece, the ball can reduce friction, and the pressure part 41 applies load to the workpiece to complete the inspection operation of the workpiece.
Claims
1. A ball cage type constant velocity universal joint detection device, comprising a base (1), one end of the base (1) is provided with a support mounting seat (8) for supporting and mounting a workpiece, and a side of the base (1) is provided with an oiling mechanism, characterized in that: A driving mechanism is provided at one end of the base (1), the driving mechanism comprising a mounting slide (7) slidably mounted on the base (1), a driving mounting platform (10) rotatably mounted on the mounting slide (7), and a clamping seat (14) for clamping and fixing a workpiece is radially slidably mounted on the driving mounting platform (10); a conversion mechanism is provided at the other end of the base (1), the conversion mechanism comprising an angle frame (18) rotatably mounted on the base (1), an arc-shaped track (19) and an arc-shaped rack (20) are provided on the angle frame (18), a conversion slide (21) is rotatably mounted on the arc-shaped track (19) and the arc-shaped rack (20), and the conversion slide (21) is rotatably mounted on the arc-shaped track (19) and the arc-shaped rack (20). A rotating drum (26) is rotatably mounted on the seat (21), and a clamping mechanism is provided on the rotating drum (26) for clamping and fixing the workpiece; a pressure mechanism is also provided on the conversion slide (21), and the pressure mechanism comprises a pressure mounting frame (36) slidably mounted on the conversion slide (21), a pressure oil cylinder (40) is rotatably mounted on the pressure mounting frame (36), and a pressure portion (41) is provided on the telescopic rod of the pressure oil cylinder (40); the conversion slide (21) converts an angle on the arc-shaped rack (20) and the arc-shaped track (19) to change the transmission angle of the workpiece; the pressure portion (41) on the pressure mechanism applies pressure to the workpiece in all directions.
2. A ball cage type constant velocity universal joint detection device according to claim 1, characterized in that: The oil adding mechanism comprises a transmission box (2) arranged on a base (1), the transmission box (2) being connected to an adding part (4), a control electric cylinder (3) being arranged on the base (1), a telescopic rod of the control electric cylinder (3) being connected to the adding part (4) to control the movement of the adding part (4).
3. A ball cage type constant velocity universal joint detection device according to claim 1, characterized in that: The driving mechanism comprises a displacement electric cylinder (6) arranged on a base (1), the displacement electric cylinder (6) being used to control the movement of a mounting slide (7), a driving motor (9) being arranged on the mounting slide (7), the driving motor (9) being used to drive a driving mounting platform (10), a clamping control motor (11) being arranged on the driving mounting platform (10), a gear 1 (12) being arranged on an output shaft of the clamping control motor (11), a gear ring (13) being rotatably mounted on the driving mounting platform (10), the circumferential surface of the gear ring (13) of the gear 1 (12) constituting a gear pair, and the gear ring (13) being used to drive the clamping seat (14) to move.
4. A ball cage type constant velocity universal joint detection device according to claim 3, characterized in that: The clamping seat (14) is provided with a screw rod (16) and a guide rod (17), the screw rod (16) and the guide rod (17) are slidably matched on the driving mounting platform (10), and a second gear (15) is rotatably mounted on the driving mounting platform (10), the second gear (15) and the screw rod (16) form a spiral pair, and the second gear (15) and the end surface of the gear ring (13) form a gear pair.
5. A ball cage type constant velocity universal joint detection device according to claim 1, characterized in that: The conversion mechanism comprises an angle motor (5) arranged on a base (1), the angle motor (5) being used to drive an angle frame (18); a conversion motor (22) being arranged on a conversion slide (21); a gear three (23) being arranged on an output shaft of the conversion motor (22); the gear three (23) and an arc-shaped rack (20) forming a gear pair; clamping cylinders (24) being arranged on both sides of the conversion slide (21); a clamping plate (25) being arranged on a telescopic rod of the clamping cylinder (24); the clamping plate (25) pressing the side of the arc-shaped track (19) to stabilize the conversion slide (21).
6. A ball cage type constant velocity universal joint detection device according to claim 1, characterized in that: The clamping mechanism comprises a pushing cylinder (30) arranged inside the rotating drum (26), a pushing plate (31) being arranged on the telescopic rod of the pushing cylinder (30), a pushing seat (32) being arranged on the end surface of the pushing plate (31), a sliding rod (34) being slidably mounted on the rotating drum (26), a clamping sliding seat (33) being arranged at one end of the sliding rod (34), the clamping sliding seat (33) being pushed by the pushing seat (32), and a spring (35) for providing elastic force being connected between the top end of the sliding rod (34) and the circumferential surface of the rotating drum (26).
7. A ball cage type constant velocity universal joint detection device according to claim 6, characterized in that: The surface of the pushing seat 1 (32) facing the clamping slide (33) is an inclined surface, and the surface of the clamping slide (33) facing the pushing seat 1 (32) is also an inclined surface. The upper inclined surface of the pushing seat 1 (32) contacts the upper inclined surface of the clamping slide (33) to push the clamping slide (33) to move, and the workpiece is clamped and fixed by the clamping slide (33).
8. The ball cage type constant velocity universal joint detection device according to claim 1, characterized in that: The pressure mechanism comprises a connecting frame (27) arranged on the conversion slide (21), the connecting frame (27) being provided with a screw motor (28) and an axial screw (29), the screw motor (28) being used to drive the axial screw (29); a pressure mounting frame (36) being slidably mounted on the connecting frame (27), and the pressure mounting frame (36) and the axial screw (29) forming a spiral pair; an azimuth motor (38) being arranged on the pressure mounting frame (36), an azimuth gear (37) being arranged on the output shaft of the azimuth motor (38), the azimuth gear (37) being used to adjust the azimuth of the pressure portion (41), and a ball bearing is arranged on the pressure portion (41).
9. A ball cage type constant velocity universal joint detection device according to claim 8, characterized in that: An azimuth gear ring (39) is rotatably mounted on the pressure mounting frame (36), a pressure oil cylinder (40) is arranged on the end surface of the azimuth gear ring (39), and the azimuth gear ring (39) and the azimuth gear (37) form a gear pair.
Citation Information
Patent Citations
Constant-speed ball cage universal joint contact force test bench and test method thereof
CN113108972A
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