Creeping detection device for bearing outer ring of three-phase motor

Abstract

The utility model discloses a three-phase motor bearing outer ring wriggling detection device, which comprises a detection table, a rotating plate is mounted at the top of the detection table, a bearing to be detected is placed at the top of the rotating plate, the rotating plate is fixedly connected with a stand column, and an L-shaped rod is welded on the surface of the stand column. According to the utility model, the threaded rod rotates to drive the internal thread ring plate to move upwards, so that the internal thread ring plate drives the connecting rod to move upwards through the connecting block, then the connecting rod drives the U-shaped block to move through the wedge-shaped sliding block, and then the U-shaped block drives the clamping plate to carry out centering internal support clamping on the inner wall of the bearing to be measured; according to the technical scheme, the bearing can be placed at the top of the rotating disc to be internally supported, centered and clamped, so that the circle center of the bearing of the three-phase motor can be located at the vertical axis of the rotating disc, the accuracy of creeping detection of the outer ring of the bearing is guaranteed, the bearing is relatively convenient to position, and the purposes of improving the detection accuracy and convenience are achieved.

Description

Technical Field

[0001] This utility model belongs to the technical field, and in particular relates to a three-phase motor bearing outer ring creep detection device. Background Technology

[0002] Three-phase motor bearings, also known as electric motor bearings or motor bearings, are specialized bearings used in electric motors. A motor bearing is a component that supports the shaft, guiding its rotation and supporting rotating parts. The concept of a bearing is broad. Existing bearing outer ring inspection devices on the market lack user-friendly features, making it difficult to accurately locate the center during bearing inspection, resulting in low efficiency and inconvenience for users. Essentially, their function is support, literally meaning to support the shaft. Most bearings require lubrication, as friction during high-speed operation not only increases energy consumption but, more importantly, can easily damage the bearing. The idea of ​​converting sliding friction to rolling friction is incomplete. When putting motor bearings into use, it is necessary to inspect their outer ring for creep.

[0003] Some three-phase motor bearing outer ring creep detection devices can accurately locate the center, but they have drawbacks. They require rotating the drive plate and the rotating plate, which is time-consuming, labor-intensive, has a low degree of mechanization, and low detection efficiency. Therefore, a three-phase motor bearing outer ring creep detection device is needed that can internally support and center the bearing on the top of the rotating plate to ensure that the center of the bearing of the three-phase motor is located at the vertical axis of the rotating plate. This ensures the accuracy of the bearing outer ring creep detection and makes the bearing positioning more convenient, thereby improving the accuracy and convenience of the detection. Utility Model Content

[0004] The purpose of this invention is to provide a three-phase motor bearing outer ring creep detection device. This device uses an internal support to center and clamp the bearing on the top of a rotating disk, ensuring that the center of the bearing is located at the vertical axis of the rotating disk. This guarantees the accuracy of the bearing outer ring creep detection and facilitates bearing positioning, thereby improving the accuracy and convenience of the detection and solving the technical problems mentioned in the background.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A three-phase motor bearing outer ring creep detection device includes a detection platform: a rotating plate is installed on the top of the detection platform, the bearing to be tested is placed on the top of the rotating plate and fixedly connected to a column, an L-shaped rod is welded to the surface of the column, a circular plate is welded to the top of the L-shaped rod, a motor is fixedly installed on the top of the circular plate by bolts, the output shaft of the motor passes through to the bottom of the circular plate and is fixedly connected to a threaded rod by a flange, an internal threaded ring plate is threadedly connected to the surface of the threaded rod, a wedge-shaped slide rail is fixedly installed on the surface of the column by bolts, a wedge-shaped slider is slidably connected to the surface of the wedge-shaped slide rail, a connecting rod is provided on the surface of the wedge-shaped slider, a connecting block is rotatably connected to the top of the connecting rod and the internal threaded ring plate by a rotating shaft, a U-shaped block is welded to the surface of the wedge-shaped slider, a clamping plate is fixedly connected to the surface of the U-shaped block, an electric telescopic rod is fixedly installed on the top of the detection platform, and a dial indicator is fixedly connected to the output end of the electric telescopic rod by a flange.

[0006] Preferably, the bottom end of the threaded rod extends into the inner cavity of the column.

[0007] Preferably, the wedge-shaped slider and the connecting rod are fixedly connected by bolts.

[0008] Preferably, the clamping plate is an arc-shaped plate, and the outer wall of the clamping plate is adapted to the inner wall of the bearing to be tested.

[0009] Preferably, the end of the dial indicator is level with the horizontal height of the bearing to be measured.

[0010] The beneficial effects of this utility model are:

[0011] 1. This utility model uses the rotation of the threaded rod to drive the internal threaded ring plate to move upward, so that the internal threaded ring plate drives the connecting rod to move upward through the connecting block. Then, the connecting rod drives the U-shaped block to move through the wedge-shaped slider. In turn, the U-shaped block drives the clamping plate to center and internally support the inner wall of the bearing to be tested. This achieves the goal of internally supporting and centrally clamping the bearing on the top of the rotating disk, so as to ensure that the center of the bearing of the three-phase motor can be located at the vertical axis of the rotating disk. This ensures the accuracy of the outer ring creep detection of the bearing and makes the positioning of the bearing more convenient, thereby improving the accuracy and convenience of the detection.

[0012] 2. By setting the arc-shaped plate of the clamping plate, the surface of the clamping plate fits more tightly with the inner wall of the bearing to be tested, thereby improving the stability of the clamping plate in holding and supporting the inner wall of the bearing to be tested, and avoiding the occurrence of shaking or displacement of the bearing to be tested. Attached Figure Description

[0013] in:

[0014] Figure 1This is a schematic diagram of the structure of one embodiment of the present utility model;

[0015] Figure 2 This is one embodiment of the present utility model. Figure 1 A magnified view of point A in the middle;

[0016] Figure 3 This is a three-dimensional schematic diagram of an embodiment of the present invention, showing an L-shaped rod and a circular plate.

[0017] Figure 4 This is one embodiment of the present utility model. Figure 3 A magnified view of point B in the middle.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1. Testing table, 2. Rotating plate, 3. Bearing to be tested, 4. Column, 5. L-shaped rod, 6. Circular plate, 7. Motor, 8. Threaded rod, 9. Internal threaded ring plate, 10. Wedge slide rail, 11. Wedge slider, 12. Connecting rod, 13. Connecting block, 14. U-shaped block, 15. Clamping plate, 16. Electric telescopic rod, 17. Dial indicator. Detailed Implementation

[0020] In the following description, embodiments of the three-phase motor bearing outer ring creep detection device of the present invention will be described with reference to the accompanying drawings.

[0021] Example 1:

[0022] Figure 1-4 This invention illustrates a three-phase motor bearing outer ring creep detection device according to an embodiment of the present invention. It includes a detection platform 1; a rotating plate 2 is mounted on the top of the detection platform 1; a bearing 3 to be tested is placed on the top of the rotating plate 2 and fixedly connected to a column 4; an L-shaped rod 5 is welded to the surface of the column 4; a circular plate 6 is welded to the top of the L-shaped rod 5; a motor 7 is bolted to the top of the circular plate 6; the output shaft of the motor 7 passes through to the bottom of the circular plate 6 and is fixedly connected to a threaded rod 8 via a flange; an internally threaded ring plate 9 is threadedly connected to the surface of the threaded rod 8; and a wedge-shaped slide rail 10 is bolted to the surface of the column 4. A wedge-shaped slider 11 is slidably connected to the surface of the wedge-shaped slide rail 10. A connecting rod 12 is provided on the surface of the wedge-shaped slider 11. The bottom end of the threaded rod 8 extends into the inner cavity of the column 4. The wedge-shaped slider 11 and the connecting rod 12 are fixedly connected by bolts. The top end of the connecting rod 12 and the internal threaded ring plate 9 are rotatably connected by a connecting block 13 through a rotating shaft. A U-shaped block 14 is welded to the surface of the wedge-shaped slider 11. A clamping plate 15 is fixedly connected to the surface of the U-shaped block 14. An electric telescopic rod 16 is fixedly installed on the top of the testing table 1. A dial indicator 17 is fixedly connected to the output end of the electric telescopic rod 16 through a flange.

[0023] Example 2:

[0024] Figure 1-4 This invention illustrates an embodiment of a three-phase motor bearing outer ring creep detection device, comprising a detection platform 1. A rotating plate 2 is mounted on the top of the detection platform 1. A bearing 3 to be tested is placed on the top of the rotating plate 2 and fixedly connected to a column 4. An L-shaped rod 5 is welded to the surface of the column 4, and a circular plate 6 is welded to the top of the L-shaped rod 5. A motor 7 is bolted to the top of the circular plate 6. The output shaft of the motor 7 passes through the bottom of the circular plate 6 and is fixedly connected to a threaded rod 8 via a flange. An internally threaded ring plate 9 is threadedly connected to the surface of the threaded rod 8. A wedge-shaped slide rail 10 is bolted to the surface of the column 4. A wedge-shaped slider 11 is slidably connected to the surface of the wedge-shaped slide rail 10. A connecting rod 12 is provided on the surface of the wedge-shaped slider 11, and the top of the connecting rod 12 is connected to... A connecting block 13 is connected to the internal threaded ring plates 9 by rotating together via a shaft. A U-shaped block 14 is welded to the surface of the wedge-shaped slider 11. A clamping plate 15 is fixedly connected to the surface of the U-shaped block 14. An electric telescopic rod 16 is fixedly installed on the top of the testing table 1. A dial indicator 17 is fixedly connected to the output end of the electric telescopic rod 16 via a flange. The clamping plate 15 is an arc-shaped plate. The outer wall of the clamping plate 15 is adapted to the inner wall of the bearing 3 to be tested. The arc-shaped plate of the clamping plate 15 makes the surface of the clamping plate 15 fit more tightly with the inner wall of the bearing 3 to be tested, thereby improving the stability of the clamping plate 15 in clamping and supporting the inner wall of the bearing 3 to be tested, and avoiding the shaking and displacement of the bearing 3 to be tested. The end of the dial indicator 17 is flush with the horizontal height of the bearing 3 to be tested.

[0025] Working principle: When using this utility model, the user places the bearing to be tested 3 on the top of the rotating plate 2 by lowering it from the outside of the motor 7. Then, the motor 7 is turned on to drive the threaded rod 8 to rotate. At this time, with the cooperation of the wedge slide rail 10 and the wedge slider 11, the connecting rod 12 limits the internal threaded ring plate 9 in the horizontal direction through the connecting block 13. Then, the rotation of the threaded rod 8 drives the internal threaded ring plate 9 to move upward, so that the internal threaded ring plate 9 drives the connecting rod 12 to move upward through the connecting block 13. Then, the connecting rod 12 drives the U-shaped block 14 to move through the wedge slider 11. During this process, due to the design of the wedge slide rail 10... The wedge-shaped slider 11 can be moved outward, and then the U-shaped block 14 drives the clamping plate 15 to center and internally support the inner wall of the bearing 3 to be tested. Then, the rotating plate 2 is turned on to drive the bearing 3 to be tested to rotate, and the dial indicator 17 is driven to contact the outer side of the bearing 3 to be tested through the electric telescopic rod 16 to perform creep detection. This realizes the internal support and centering clamping of the bearing on the top of the rotating disk, so as to ensure that the center of the bearing of the three-phase motor can be located at the vertical axis of the rotating disk, thereby ensuring the accuracy of the creep detection of the outer ring of the bearing and making the positioning of the bearing more convenient, thus improving the accuracy and convenience of the detection.

[0026] In summary, this three-phase motor bearing outer ring creep detection device uses the rotation of the threaded rod 8 to move the internal threaded ring plate 9 upwards. This causes the internal threaded ring plate 9 to move the connecting rod 12 upwards via the connecting block 13. The connecting rod 12 then moves the U-shaped block 14 via the wedge-shaped slider 11. The U-shaped block 14 then moves the clamping plate 15 to centrally support and clamp the inner wall of the bearing 3 under test. This achieves the goal of centrally supporting and clamping the bearing on the top of the rotating disk, ensuring that the center of the three-phase motor bearing is located at the vertical axis of the rotating disk. This ensures the accuracy of the bearing outer ring creep detection and facilitates bearing positioning, thereby improving both detection accuracy and convenience.

Claims

1. A three-phase motor bearing outer ring creep detection device, characterized in that, The test platform (1) includes a rotating plate (2) mounted on its top. A bearing (3) to be tested is placed on the top of the rotating plate (2) and a column (4) is fixedly connected thereto. An L-shaped rod (5) is welded to the surface of the column (4). A circular plate (6) is welded to the top of the L-shaped rod (5). A motor (7) is fixedly mounted on the top of the circular plate (6) by bolts. The output shaft of the motor (7) passes through the bottom of the circular plate (6) and is fixedly connected to a threaded rod (8) by a flange. An internal threaded ring plate (9) is threadedly connected to the surface of the threaded rod (8). The surface of the column (4) is fixedly mounted with bolts. The instrument is equipped with a wedge-shaped slide rail (10), and a wedge-shaped slider (11) is slidably connected to the surface of the wedge-shaped slide rail (10). A connecting rod (12) is provided on the surface of the wedge-shaped slider (11). A connecting block (13) is rotatably connected between the top end of the connecting rod (12) and the internal threaded ring plate (9) through a rotating shaft. A U-shaped block (14) is welded to the surface of the wedge-shaped slider (11). A clamping plate (15) is fixedly connected to the surface of the U-shaped block (14). An electric telescopic rod (16) is fixedly installed on the top of the testing table (1). A dial indicator (17) is fixedly connected to the output end of the electric telescopic rod (16) through a flange.

2. The three-phase motor bearing outer ring creep detection device according to claim 1, characterized in that, The bottom end of the threaded rod (8) extends into the inner cavity of the column (4).

3. The three-phase motor bearing outer ring creep detection device according to claim 2, characterized in that, The wedge-shaped slider (11) and the connecting rod (12) are fixedly connected by bolts.

4. The three-phase motor bearing outer ring creep detection device according to claim 3, characterized in that, The clamping plate (15) is an arc-shaped plate, and the outer wall of the clamping plate (15) is adapted to the inner wall of the bearing (3) to be tested.

5. The three-phase motor bearing outer ring creep detection device according to claim 4, characterized in that, The end of the dial indicator (17) is level with the horizontal height of the bearing (3) to be tested.

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