Abrasion resistance testing equipment for motor rotating shaft
By introducing the movement and rotation mechanism of hydraulic cylinder and servo motor drive in the motor shaft wear-resistant test equipment, the problem that the equipment cannot detect different lengths and diameters of rotating shafts is solved, and efficient wear-resistant testing of multiple specifications of rotating shafts is achieved.
Patent Information
- Application Number
- CN202420637773.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Existing motor shaft wear-resistant testing equipment cannot detect rotating shafts of different lengths and diameters, resulting in limited detection efficiency.
A test equipment including a workbench, positioning plate, moving plate, hydraulic cylinder, servo motor and grinding clamp was designed. The movement of the moving plate and positioning clamp are driven by the hydraulic cylinder, and combined with the rotation of the screw rod and grinding clamp, the servo motor drives the rotation of the screw rod and grinding clamp. Achieve fixing and polishing of the shaft to adapt to different specifications of the shaft.
Wear resistance testing of motor shafts of different lengths and specifications is realized, improving the flexibility and efficiency of detection.
Smart Images

Figure CN222144778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wear-resistant testing, in particular to a motor shaft wear-resistant testing device. Background Art
[0002] A motor refers to an electromagnetic device that realizes the conversion or transmission of electric energy according to the law of electromagnetic induction. The motor shaft is one of the important components of the motor. After the production process of the motor shaft, the motor shaft needs to be subjected to a wear test, such as the patent application number CN201921923383.4, a multi-station wear test device. The multi-station wear test device includes at least two test units, each of which includes: a wear body for rubbing a workpiece; and a drive device, including a first part and a second part, wherein the first part is hinged to the base and can swing around the hinge axis, the second part is arranged on the first part, and the second part can reciprocate linearly relative to the first part, and the wear body is installed on the second part; wherein the hinge axes of the at least two test units are collinear or parallel to each other. The multi-station wear test device of the utility model simulates the friction movement of the finger through a combination of hinged swing and linear motion, and is provided with multiple test units, so that friction detection can be performed reliably and efficiently. In the above technical scheme, the detection device cannot be adjusted, and cannot detect different lengths and different diameters, which affects the efficiency of the shaft detection. Utility Model Content
[0003] The main purpose of the utility model is to provide a motor shaft wear test device, which can effectively solve the problem in the background technology that the detection device cannot be adjusted and cannot detect different lengths and diameters, which affects the efficiency of shaft detection.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a motor shaft wear-resistant testing equipment, comprising a workbench, a positioning plate is fixedly installed on one side of the upper surface of the workbench, and a movable plate is slidably installed on the other side of the upper surface of the workbench, a hydraulic cylinder is fixedly installed on the upper surface of the workbench, the output end of the hydraulic cylinder is arranged on the side of the movable plate, and two positioning clamps are slidably installed on the front surface of the movable plate, a second servo motor is fixedly installed on the upper surface of the movable plate, a bidirectional screw rod is installed on the output end of the second servo motor, two screw rod sleeves are installed in the middle part of the bidirectional screw rod, and the two screw rod sleeves are respectively connected with the two positioning clamps, a first servo motor is fixedly installed on the front surface of the positioning plate, a turntable is installed on the output end of the first servo motor, and two grinding clamps are slidably installed on the front surface of the turntable, a positioning drive assembly is arranged on the movable plate, and the positioning clamp plate and the grinding clamp plate are connected by the positioning drive assembly.
[0005] Preferably, a mounting groove is provided on the front surface of the movable plate, and the bidirectional screw rod is arranged inside the mounting groove.
[0006] Preferably, the positioning drive assembly comprises a guide groove, and the guide groove is arranged on the front surface of the turntable.
[0007] Preferably, two guide blocks are slidably mounted inside the guide groove, and mounting plates are fixedly mounted on the front surfaces of the two guide blocks.
[0008] Preferably, the front surfaces of the two mounting plates are provided with sliding grooves, and sliding blocks are slidably installed inside the two sliding grooves.
[0009] Preferably, a telescopic rod is fixedly mounted on the front surface of the sliding block.
[0010] Preferably, connecting rods are fixedly installed on the side surfaces of both ends of the telescopic rod, and the two connecting rods are respectively connected to the grinding clamping plate and the positioning clamping plate.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] (1) The hydraulic cylinder output end is extended and retracted, and the movable plate can be pushed forward to move, and the two positioning clamps can be driven to move forward. The two positioning clamps are arranged on both sides of the other end of the rotating shaft. At this time, the second servo motor output end is rotated, and the bidirectional screw can be driven to rotate, and the two screw screw sleeves can be driven to move toward the side close to each other in the middle of the bidirectional screw, and the two positioning clamps can be driven to move toward the side close to each other, and the two grinding clamps can be driven to move toward the side close to each other at the same time. At this time, the two positioning clamps and the two grinding clamps can be fixed at both ends of the rotating shaft to fix the rotating shaft. At this time, the first servo motor output end is rotated to drive the turntable to rotate, and the two grinding clamps can be driven to rotate. Because the positioning clamp fixes one end of the rotating shaft, the grinding clamp will rotate around the side of the other end of the rotating shaft to grind the side of the rotating shaft. This device can grind motor shafts of different lengths and specifications to perform wear resistance tests on the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of a motor shaft wear-resistant testing device of the utility model;
[0014] Figure 2 This is a side structural schematic diagram of a motor shaft wear-resistant testing device of the utility model;
[0015] Figure 3 This is a schematic diagram of the structure of a moving plate of a motor shaft wear-resistant testing device of the utility model;
[0016] Figure 4 This is a schematic diagram of the enlarged structure of point A of a motor shaft wear resistance testing device of the utility model.
[0017] In the figure: 1. workbench; 2. positioning plate; 3. moving plate; 4. hydraulic cylinder; 5. first servo motor; 6. turntable; 7. grinding splint; 8. positioning drive assembly; 801. slider; 802. connecting rod; 803. telescopic rod; 804. guide groove; 805. guide block; 806. mounting plate; 807. slide groove; 9. second servo motor; 10. positioning splint; 11. mounting groove; 12. bidirectional screw; 13. screw thread sleeve. DETAILED DESCRIPTION
[0018] 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.
[0019] like Figure 1 , 2 As shown in , 3, a motor shaft wear resistance testing equipment comprises a workbench 1, a positioning plate 2 is fixedly installed on one side of the upper surface of the workbench 1, a moving plate 3 is slidably installed on the other side of the upper surface of the workbench 1, a hydraulic cylinder 4 is fixedly installed on the upper surface of the workbench 1, the output end of the hydraulic cylinder 4 is arranged on the side of the moving plate 3, two positioning clamps 10 are slidably installed on the front surface of the moving plate 3, a second servo motor 9 is fixedly installed on the upper end surface of the moving plate 3, a bidirectional screw rod 12 is installed on the output end of the second servo motor 9, two screw thread sleeves 13 are sleeved and installed in the middle part of the bidirectional screw rod 12, and the two screw thread sleeves 13 are respectively connected to the two positioning clamps 10, a first servo motor 5 is fixedly installed on the front surface of the positioning plate 2, a turntable 6 is installed on the output end of the first servo motor 5, two grinding clamps 7 are slidably installed on the front surface of the turntable 6, a positioning drive assembly 8 is arranged on the moving plate 3, and the positioning clamp plate 10 and the grinding clamp plate 7 are connected through the positioning drive assembly 8.
[0020] like Figure 1 As shown, a mounting groove 11 is opened on the front surface of the movable plate 3, and the bidirectional screw rod 12 is arranged inside the mounting groove 11. By arranging the bidirectional screw rod 12 inside the mounting groove 11, the stability of the bidirectional screw rod 12 can be ensured.
[0021] like Figure 2 , 3As shown in 4, the positioning drive assembly 8 includes a guide groove 804, the guide groove 804 is provided on the front surface of the turntable 6, two guide blocks 805 are slidably installed inside the guide groove 804, the front surfaces of the two guide blocks 805 are fixedly installed with mounting plates 806, the front surfaces of the two mounting plates 806 are provided with slide grooves 807, the two slide grooves 807 are slidably installed with sliders 801, the front surfaces of the sliders 801 are fixedly installed with telescopic rods 803, the sides of both ends of the telescopic rods 803 are fixedly installed with connecting rods 802, and the two connecting rods The rod 802 is connected to the grinding clamp plate 7 and the positioning clamp plate 10 respectively, and is extended and retracted through the output end of the hydraulic cylinder 4. At this time, the movable plate 3 can be pushed to move forward, and the two positioning clamp plates 10 can be driven to move forward. The two positioning clamp plates 10 are arranged on both sides of the other end of the rotating shaft. At this time, the output end of the second servo motor 9 is rotated, and the bidirectional screw rod 12 can be driven to rotate, and the two screw screw sleeves 13 can be driven to move toward the side close to each other in the middle of the bidirectional screw rod 12, and the two positioning clamp plates 10 can be driven to move toward the side close to each other, and Because two guide blocks 805 are slidably installed inside the guide groove 804, mounting plates 806 are fixedly installed on the front surfaces of the two guide blocks 805, and slide grooves 807 are provided on the front surfaces of the two mounting plates 806. Slide blocks 801 are slidably installed inside the two slide grooves 807, and telescopic rods 803 are fixedly installed on the front surfaces of the slide blocks 801. Connecting rods 802 are fixedly installed on the sides of both ends of the telescopic rods 803. The two connecting rods 802 are respectively connected to the grinding splint 7 and the positioning splint 10. At this time, the two grinding splints 7 can be driven to move toward the sides close to each other at the same time. The two positioning splints 10 and the two grinding splints 7 can be fixed at the two ends of the rotating shaft, thereby fixing the rotating shaft. At this time, by rotating the output end of the first servo motor 5, the turntable 6 can be driven to rotate, and the two grinding splints 7 can be driven to rotate. Because the positioning splint 10 fixes one end of the rotating shaft, the grinding splint 7 can rotate around the side of the other end of the rotating shaft to grind the side of the rotating shaft. This device can grind motor shafts of different lengths and specifications to perform wear resistance tests on the rotating shafts.
[0022] The working principle of this motor shaft wear test equipment:
[0023] When using the device, first place one end of the rotating shaft on the two grinding clamps 7. At this time, the output end of the hydraulic cylinder 4 is extended and retracted, and the movable plate 3 can be pushed to move forward, and the two positioning clamps 10 can be driven to move forward. The two positioning clamps 10 are arranged on both sides of the other end of the rotating shaft. At this time, the output end of the second servo motor 9 is rotated, and the bidirectional screw rod 12 can be driven to rotate, and the two screw rod nut sleeves 13 can be driven to move toward the side close to each other in the middle of the bidirectional screw rod 12, and the two positioning clamps 10 can be driven to move toward the side close to each other. And because two guide blocks 805 are slidably installed inside the guide groove 804, the front surfaces of the two guide blocks 805 are fixedly installed with mounting plates 806, and the front surfaces of the two mounting plates 806 are provided with slide grooves 807, and the two slide grooves 807 are slidably installed with sliders 801 , a telescopic rod 803 is fixedly installed on the front surface of the slider 801, and a connecting rod 802 is fixedly installed on the side surfaces of both ends of the telescopic rod 803. The two connecting rods 802 are respectively connected to the grinding splint 7 and the positioning splint 10. At this time, the two grinding splints 7 can be driven to move to the sides close to each other at the same time. At this time, the two positioning splints 10 and the two grinding splints 7 can be fixed on the two ends of the rotating shaft, which plays a fixing role on the rotating shaft. At this time, the output end of the first servo motor 5 is rotated, and the turntable 6 can be driven to rotate. At this time, the two grinding splints 7 can be driven to rotate, and because the positioning splint 10 fixes one end of the rotating shaft, the grinding splint 7 can be rotated around the side of the other end of the rotating shaft to grind the side of the rotating shaft. This device can grind motor shafts of different lengths and specifications to perform wear resistance tests on the rotating shafts.
[0024] The above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.
Claims
1. A motor shaft wear test device, comprising a workbench (1), characterized in that: A positioning plate (2) is fixedly mounted on one side of the upper surface of the workbench (1), a movable plate (3) is slidably mounted on the other side of the upper surface of the workbench (1), a hydraulic cylinder (4) is fixedly mounted on the upper surface of the workbench (1), an output end of the hydraulic cylinder (4) is arranged on the side of the movable plate (3), two positioning clamping plates (10) are slidably mounted on the front surface of the movable plate (3), a second servo motor (9) is fixedly mounted on the upper end surface of the movable plate (3), a bidirectional screw rod (12) is mounted on the output end of the second servo motor (9), and the bidirectional screw rod (12) is fixedly mounted on the upper end surface of the movable plate (3). Two screw thread sleeves (13) are sleeved and installed in the middle of the screw rod (12), and the two screw thread sleeves (13) are respectively connected to two positioning clamps (10). A first servo motor (5) is fixedly installed on the front surface of the positioning plate (2), a turntable (6) is installed at the output end of the first servo motor (5), and two grinding clamps (7) are slidably installed on the front surface of the turntable (6). A positioning drive component (8) is arranged on the movable plate (3), and the positioning clamp (10) and the grinding clamp (7) are connected via the positioning drive component (8).
2. The motor shaft wear test device according to claim 1, characterized in that: The front surface of the movable plate (3) is provided with a mounting groove (11), and the bidirectional screw rod (12) is arranged inside the mounting groove (11).
3. The motor shaft wear test device according to claim 1, characterized in that: The positioning drive assembly (8) comprises a guide groove (804), and the guide groove (804) is arranged on the front surface of the turntable (6).
4. The motor shaft wear test device according to claim 3, characterized in that: Two guide blocks (805) are slidably mounted inside the guide groove (804), and mounting plates (806) are fixedly mounted on the front surfaces of the two guide blocks (805).
5. The motor shaft wear test device according to claim 4, characterized in that: A slide groove (807) is provided on the front surface of the two mounting plates (806), and a slider (801) is slidably installed inside the two slide grooves (807).
6. The motor shaft wear test device according to claim 5, characterized in that: A telescopic rod (803) is fixedly mounted on the front surface of the sliding block (801).
7. The motor shaft wear test device according to claim 6, characterized in that: Connecting rods (802) are fixedly mounted on the sides of both ends of the telescopic rod (803), and the two connecting rods (802) are respectively connected to the grinding clamping plate (7) and the positioning clamping plate (10).
