A motor end cover bearing pressing device
By designing a motor end cover bearing compression device with fixed ring, roller, mounting ring and other components, the problem of poor positioning and adjustment effect is solved, the stable operation and convenient maintenance of the motor are achieved, and the reliability and maintenance efficiency of the device are improved.
Patent Information
- Application Number
- CN202211578792.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-07
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2042-12-07
AI Technical Summary
The positioning and adjustment effect of the existing motor end cover bearing pressing device is poor, which leads to difficulty in repair and time-consuming, affecting the normal operation reliability of the motor.
A motor end cover bearing pressing device including components such as fixing rings, rollers, mounting rings, circular sleeves, support columns, sliding plates and clamping plates is designed. Through the cooperation of these components, stable clamping of the bearing body and replacement of spare components are achieved, improving maintenance convenience.
It improves the reliability and practicality of the motor end cover bearing compression device, ensures the stability of the motor during normal operation, and facilitates maintenance when components are worn, reducing maintenance time and difficulty.
Smart Images

Figure CN115765360B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of motor processing, and in particular to a motor end cover bearing pressing device. Background Art
[0002] As we all know, a motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. The motor end cover is the cover of the motor casing, which is generally divided into a front cover and a rear cover. It is used to fix and support the motor shaft. The end cover supports the rotating part, determines the relative position of the rotor and the stator, protects the inside of the motor and guides the wind. Therefore, a bearing clamping device is required to control the accuracy of the stop and the bearing chamber, the coaxiality between the two, and the circular runout of the stop step end face to the axis centerline.
[0003] After searching, China disclosed a motor end cover bearing clamping device with patent publication number CN209134258U on July 19, 2019, which is roughly described as including a device body, a fixed outer frame is provided on the upper surface of the device body, a hydraulic telescopic rod is provided in the center of the fixed outer frame, an anti-deformation bracket is provided at the bottom of the hydraulic telescopic rod, a wear-resistant spacer is provided at the bottom of the anti-deformation bracket, and a clamping shaft roller is provided at the bottom of the wear-resistant spacer; a noise reduction mechanism includes a noise reduction guide hole, the center of the noise reduction guide hole is filled with sound-absorbing material, a damping plate is provided at the bottom of the sound-absorbing material, and a sound-absorbing tube is provided on the inside of the damping plate; a positioning and adjustment mechanism includes a positioning element, an anti-slip bushing is provided on the upper surface of the positioning element, an adjustment plate is provided in the center of the anti-slip bushing, and a cooling slot is provided on the inside of the adjustment plate; a compression spring, a locking clamp is provided on the right side of the compression spring, a fastening bolt is provided at the bottom of the locking clamp, a buffer pad is provided at the bottom of the fastening bolt, a pressure drop rod is provided at the bottom of the buffer pad, and an annular groove is provided at the bottom of the pressure drop rod.
[0004] Although the above-mentioned existing technical solution reduces noise through the noise-absorbing material in the noise reduction mechanism and adjusts the clamping price through the adjustment plate, its positioning and adjustment effect is poor, which makes it difficult to repair and replace the device. Once the device is damaged, the maintenance work takes a long time, which has a great impact on the normal operation of the motor and has low reliability. Summary of the Invention
[0005] (1) Technical problems solved
[0006] In view of the deficiencies of the prior art, the present invention provides a motor end cover bearing pressing device to solve the problems of the prior art mentioned in the background art.
[0007] (2) Technical solution
[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a motor end cover bearing pressing device, comprising a motor end cover body and a bearing body, the top end of the motor end cover body is fixedly connected to a fixing ring, a groove is opened in the fixing ring, a plurality of rollers are slidably connected in the groove, a first connecting plate is rotatably connected to the plurality of rollers, the bottom end of the first connecting plate is fixedly connected to a first mounting ring, the bottom end of the first mounting ring is fixedly connected to a second connecting plate, the second connecting plate is rotatably connected to the roller, the first mounting ring is fixedly connected to the bearing body, the top end of the first connecting plate is fixedly connected to a circular sleeve, a support column is slidably connected in the circular sleeve, the top end of the support column is rotatably connected to two mounting plates, the two mounting plates are fixedly connected to the second mounting ring, the motor The machine end cover body is fixedly connected with a plurality of fixed plates, and the plurality of fixed plates are rotatably connected to the sliding plate through a connecting shaft. A sliding groove is provided in the sliding plate, and a slider is slidably connected in the sliding groove. The slider is fixedly connected with a first spring, and one end of the first spring away from the slider is fixedly connected to the connecting shaft. The top of the slider is fixedly connected with a movable plate, and the bottom end of the movable plate is fixedly connected with two connecting blocks, and the bottom ends of the two connecting blocks are fixedly connected with a clamping plate, and the clamping plate is fixedly connected with a mounting bracket, and the mounting bracket is rotatably connected to a limit plate, and a second spring is fixedly connected to the limit plate, and a limit block is fixedly connected to the limit plate. The clamping plate is slidably connected to the sliding plate, and a plurality of limit slots matching the limit blocks are provided at the bottom end of the sliding plate. A spare mechanism is installed at the bottom end of the motor end cover body.
[0009] Preferably, the backup mechanism includes a first positioning ring and a second positioning ring. The first positioning ring is fixedly connected to the motor end cover body. A plurality of support grooves are provided on the first positioning ring. A third spring is fixedly connected in each of the plurality of support grooves. The third spring is fixedly connected to a push block. Two push plates are fixedly connected to the push block. The push block is slidably connected to the support groove. The second positioning ring is rotatably connected to the bearing body. A plurality of rolling balls are installed in the second positioning ring.
[0010] Furthermore, a plurality of positioning plates are fixedly connected to the fixing ring, and a plurality of fixing holes are formed on the positioning plates.
[0011] Furthermore, the motor end cover body is provided with a plurality of connection holes matching the positioning holes, and the connection holes are threadedly connected to the fixing holes through nuts.
[0012] Based on the above solution, a guide groove is provided at the bottom end of the clamping plate, in which a first guide block and a second guide block are slidably connected, a screw is threadedly connected to the first guide block, and the screw is rotatably connected to the second guide block.
[0013] Preferably, based on the above solution, rubber pads are installed on both the first guide block and the second guide block.
[0014] Further on the basis of the above solution, the bottom ends of the first positioning ring and the second positioning ring are fixedly connected with a blocking piece.
[0015] Further to the above solution, a plurality of the rollers are provided with mounting grooves, and rubber rings are installed in the mounting grooves.
[0016] (3) Beneficial effects
[0017] Compared with the prior art, the present invention provides a motor end cover bearing pressing device with the following features:
[0018] Beneficial effects:
[0019] 1. The motor end cover bearing clamping device, through the arrangement of components such as the first mounting ring, the second mounting ring and the circular sleeve, can better clamp and support the bearing body during normal operation, thereby improving reliability. At the same time, the first mounting ring cooperates with the roller, and when the bearing body rotates, the impact on the motor end cover body is relatively small, thereby improving practicality.
[0020] 2. The motor end cover bearing clamping device is designed with spare components. When the bearing body and the first mounting ring and other components cannot maintain normal operation due to long-term wear, the spare components can replace the first mounting ring and other components to perform normal operation, thereby ensuring the work quality, facilitating later inspections, and making maintenance more convenient, thereby improving the convenience of maintenance operations.
[0021] 3. The motor end cover bearing clamping device, through the arrangement of components such as the sliding plate, the first spring and the movable plate, can clamp the motor end cover body more firmly on the motor chassis, thereby ensuring that the motor end cover body will not fall due to the vibration generated during operation, ensuring normal operation, and at the same time, it is more convenient to open the motor end cover body for inspection and maintenance during later maintenance, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the main structure of the present invention;
[0023] Figure 2 This is an enlarged structural diagram of the first mounting ring, the second mounting ring, the roller and other components of the present invention;
[0024] Figure 3 This is a schematic diagram of the top view of the spare component of the present invention;
[0025] Figure 4 This is an enlarged structural diagram of the components including the movable plate, the slider and the first spring of the present invention;
[0026] Figure 5 It is an enlarged structural diagram of the limiting plate, the second spring and the mounting bracket of the present invention.
[0027] In the figure: 1. Motor end cover body; 2. Bearing body; 3. Fixing ring; 4. Roller; 5. First connecting plate; 6. First mounting ring; 7. Second connecting plate; 8. Circular sleeve; 9. Support column; 10. Mounting plate; 11. Second mounting ring; 12. Fixing plate; 13. Connecting shaft; 14. Sliding plate; 15. Slider; 16. First spring; 17. Moving plate; 18. Connecting block; 19. Clamping plate; 20. Mounting frame; 21. Limiting plate; 22. Second spring; 23. First positioning ring; 24. Second positioning ring; 25. Third spring; 26. Pushing block; 27. Pushing plate; 28. Rolling ball; 29. Positioning plate; 30. Nut; 31. First guide block; 32. Second guide block; 33. Screw; 34. Block; 35. Rubber ring. DETAILED DESCRIPTION
[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0029] Example
[0030] See also Figure 1-5A motor end cover bearing pressing device includes a motor end cover body 1 and a bearing body 2. The top end of the motor end cover body 1 is fixedly connected with a fixing ring 3, which is fixed by the motor end cover body 1. A groove is opened in the fixing ring 3, and a plurality of rollers 4 are slidably connected in the groove. The plurality of rollers 4 slide in the slide groove through the fixing ring 3. A first connecting plate 5 is rotatably connected to the plurality of rollers 4. The first connecting plate 5 is fixed by the roller 4. The bottom end of the first connecting plate 5 is fixedly connected with a first mounting ring 6. The first mounting ring 6 is fixed by the first connecting plate 5. The bottom end of the first mounting ring 6 is fixedly connected with a second connecting plate 7. The second connecting plate 7 is fixed by the first mounting ring 6. The second connecting plate 7 is rotatably connected to the roller 4. , the roller is rotated by the second connecting plate 7, the first mounting ring 6 is fixedly connected to the bearing body 2, the first mounting ring 6 is fixed by the bearing body 2, the top of the first connecting plate 5 is fixedly connected with a circular sleeve 8, the circular sleeve 8 is fixed by the first connecting plate 5, the circular sleeve 8 is slidably connected with a support column 9, the support column 9 is slid by the circular sleeve 8, the top of the support column 9 is rotatably connected to two mounting plates 10, the support column 9 is rotated by the two mounting plates 10, the two mounting plates 10 are fixedly connected with a second mounting ring 11, and the second mounting ring 11 is fixed by the two mounting plates 10. During normal operation, the bearing body 2 process can still be clamped and supported, which improves reliability. At the same time, the first mounting ring 6 and the roller 4 are connected. The motor end cover body 1 is fixedly connected with a plurality of fixed plates 12, and the plurality of fixed plates 12 are fixed by the motor end cover body 1. The plurality of fixed plates 12 are rotatably connected to the sliding plate 14 through the connecting shaft 13. The plurality of fixed plates 12 rotate the sliding plate 14 through the connecting shaft 13. A sliding groove is provided in the sliding plate 14, and a slider 15 is slidably connected in the sliding groove. The slider 15 is made to slide through the sliding groove in the sliding plate 14. A first spring 16 is fixedly connected to the slider 15, and the first spring 16 is fixed by the slider 15. The end of the first spring 16 away from the slider 15 is fixedly connected to the connecting shaft 13, and the first spring 16 is fixedly connected to the connecting shaft 13. 16 is fixed, the top of the slider 15 is fixedly connected with a moving plate 17, the moving plate 17 is fixed by the slider 15, the bottom end of the moving plate 17 is fixedly connected to two connecting blocks 18, the two connecting blocks 18 are fixed by the moving plate 17, the bottom ends of the two connecting blocks 18 are fixedly connected with a clamping plate 19, the clamping plate 19 is fixed by two connecting blocks 18, a mounting bracket 20 is fixedly connected to the clamping plate 19, the mounting bracket 20 is fixed by the clamping plate 19, the mounting bracket 20 is rotatably connected to the limiting plate 21, the limiting plate 21 is fixedly connected with a second spring 22, the limiting plate 21 is fixedly connected to the limiting block, the clamping plate 19 is slidably connected to the sliding plate 14, and a plurality of limiting grooves matching the limiting blocks are provided at the bottom end of the sliding plate 14.The motor end cover body 1 can be clamped on the motor chassis more firmly, thereby ensuring that the motor end cover body 1 will not fall due to the vibration generated during operation, ensuring normal operation. At the same time, it is convenient to open the motor end cover body 1 for inspection and maintenance during later maintenance, which improves convenience. The bottom end of the motor end cover body 1 is fixedly connected with a first positioning ring 23 and a second positioning ring 24. A plurality of support grooves are provided on the first positioning ring 23, and a third spring 25 is fixedly connected in each of the plurality of support grooves. The third spring 25 is fixedly connected with a push block 26, and two push plates 27 are fixedly connected to the push block 26. The push block 26 is slidably connected to the support groove. The second positioning ring 24 is rotatably connected to the bearing body 2. A plurality of rolling balls 28 are installed in the second positioning ring 24. It can be achieved when the bearing body 2 and the first mounting ring 6 and other components cannot be maintained due to long-term wear. When the work is in normal operation, it can replace the first mounting ring 6 and other components to perform normal operation, ensuring the work quality, facilitating later inspection, and making maintenance more convenient and improving convenience. A plurality of positioning plates 29 are fixedly connected to the fixing ring 3, and a plurality of fixing holes are provided on the positioning plate 29. A plurality of connecting holes matching the positioning holes are provided on the motor end cover body 1. The connecting holes and the fixing holes are threadedly connected by nuts 30. A guide groove is provided at the bottom end of the clamping plate 19, and a first guide block 31 and a second guide block 32 are slidably connected in the guide groove. A screw 33 is internally threadedly connected to the first guide block 31, and the screw 33 is rotatably connected to the second guide block 32. Rubber pads are installed on the first guide block 31 and the second guide block 32. A baffle 34 is fixedly connected to the bottom end of the first positioning ring 23 and the second positioning ring 24. A mounting groove is provided on the plurality of rollers 4, and a rubber ring 35 is installed in the mounting groove.
[0031] In summary, the installation process of the motor end cover bearing clamping device is as follows: during installation, the fixing ring 3 is first fixed by the motor end cover body 1, and the fixing ring 3 enables multiple rollers 4 to slide in the slide groove, and the rollers 4 fix the first connecting plate 5, and the first connecting plate 5 fixes the first mounting ring 6, and the first mounting ring 6 fixes the second connecting plate 7, and the second connecting plate 7 enables the roller to rotate, and the first connecting plate 5 fixes the circular sleeve 8, and the circular sleeve 8 enables the support column 9 to slide, and the two mounting plates 10 enable the support column 9 to rotate, and the two mounting plates 10 fix the second mounting ring 11. During normal operation, the bearing body 2 can still be clamped and supported, thereby improving reliability. At the same time, the first mounting ring 6 cooperates with the roller 4, and when the bearing body 2 rotates, it will not affect the motor end cover body 1. The practicability is improved. The motor end cover body 1 is used to fix multiple fixed plates 12. The multiple fixed plates 12 rotate the sliding plate 14 through the connecting shaft 13. The sliding groove in the sliding plate 14 causes the slider 15 to slide. The slider 15 fixes the first spring 16. The connecting shaft 13 fixes the first spring 16. The slider 15 fixes the movable plate 17. The movable plate 17 fixes the two connecting blocks 18. The two connecting blocks 18 fix the clamping plate 19. The clamping plate 19 fixes the mounting bracket 20. The motor end cover body 1 can be clamped on the motor chassis more firmly, thereby ensuring that the motor end cover body 1 will not fall due to the vibration generated during work, ensuring normal operation, and at the same time, it is more convenient to open the motor end cover body 1 for inspection and maintenance during later maintenance, thereby improving convenience.
[0032] The above-described embodiments merely represent specific implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.
Claims
1. A motor end cover bearing pressing device, comprising a motor end cover body (1), characterized in that: The invention also includes a bearing body (2), a fixing ring (3) is fixedly connected to the top of the motor end cover body (1), a groove is provided in the fixing ring (3), a plurality of rollers (4) are slidably connected in the groove, a first connecting plate (5) is rotatably connected to the plurality of rollers (4), a first connecting plate (5) is fixedly connected to the bottom end of the first connecting plate (5), a second connecting plate (7) is fixedly connected to the bottom end of the first connecting plate (6), the second connecting plate (7) is rotatably connected to the roller (4), the first mounting ring (6) is fixedly connected to the bearing body (2), a circular sleeve (8) is fixedly connected to the top end of the first connecting plate (5), a support column (9) is slidably connected in the circular sleeve (8), the top end of the support column (9) is rotatably connected to two mounting plates (10), the two mounting plates (10) are fixedly connected to the second mounting ring (11), the motor end cover body (1) is fixedly connected to the plurality of fixing plates (12), and the plurality of fixing plates (12) are all connected by a connecting shaft (13). A sliding plate (14) is rotatably connected, a sliding groove is provided in the sliding plate (14), a slider (15) is slidably connected in the sliding groove, a first spring (16) is fixedly connected to the slider (15), an end of the first spring (16) away from the slider (15) is fixedly connected to the connecting shaft (13), the top of the slider (15) is fixedly connected to a moving plate (17), the bottom end of the moving plate (17) is fixedly connected to two connecting blocks (18), the bottom ends of the two connecting blocks (18) are fixedly connected to A clamping plate (19) is fixedly connected to a mounting frame (20), the mounting frame (20) is rotatably connected to a limit plate (21), a second spring (22) is fixedly connected to the limit plate (21), a limit block is fixedly connected to the limit plate (21), the clamping plate (19) is slidably connected to the sliding plate (14), a plurality of limit slots matching the limit blocks are opened at the bottom end of the sliding plate (14), and a standby mechanism is installed at the bottom end of the motor end cover body (1).
2. The motor end cover bearing pressing device according to claim 1, characterized in that: The standby mechanism includes a first positioning ring (23) and a second positioning ring (24). The first positioning ring (23) is fixedly connected to the motor end cover body (1). The first positioning ring (23) is provided with a plurality of support grooves. Third springs (25) are fixedly connected in the plurality of support grooves. The third spring (25) is fixedly connected to a push block (26). Two push plates (27) are fixedly connected to the push block (26). The push block (26) is slidably connected to the support groove. The second positioning ring (24) is rotatably connected to the bearing body (2). A plurality of rolling balls (28) are installed in the second positioning ring (24).
3. The motor end cover bearing pressing device according to claim 2, characterized in that: A plurality of positioning plates (29) are fixedly connected to the fixing ring (3), and a plurality of fixing holes are provided on the positioning plates (29).
4. The motor end cover bearing pressing device according to claim 3, characterized in that: The motor end cover body (1) is provided with a plurality of connection holes matching the positioning holes, and the connection holes are threadedly connected to the fixing holes via nuts (30).
5. The motor end cover bearing pressing device according to claim 4, characterized in that: A guide groove is provided at the bottom end of the clamping plate (19), in which a first guide block (31) and a second guide block (32) are slidably connected. A screw rod (33) is internally threadedly connected to the first guide block (31), and the screw rod (33) is rotatably connected to the second guide block (32).
6. The motor end cover bearing pressing device according to claim 5, characterized in that: Rubber pads are installed on both the first guide block (31) and the second guide block (32).
7. The motor end cover bearing pressing device according to claim 6, characterized in that: The bottom ends of the first positioning ring (23) and the second positioning ring (24) are fixedly connected with a blocking piece (34).
8. The motor end cover bearing pressing device according to claim 7, characterized in that: A plurality of rollers (4) are each provided with a mounting groove, and a rubber ring (35) is installed in the mounting groove.
Citation Information
Patent Citations
Motor end cover bearing pressing device
CN209134258U
Assembling device and assembling method of direct current motor
CN112994385A
Motor
CN206533221U