Insulation performance testing device for high-sealing water pump bearing

By designing a sealed water pump bearing insulation performance test device including a variable speed motor, a central shaft, a linkage sleeve and a curved card plate, the problem of inaccurate measurement in the prior art is solved, and the high performance under simulated bearing working conditions is achieved Accurate insulation performance test extends the service life of the bearing.

CN222506481UActive Publication Date: 2025-02-18CHANGZHOU SHENGQILING BEARING CO LTD
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Patent Information

Application Number
CN202420780467.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-02-18
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

In the prior art, when measuring the insulation performance of sealed water pump bearings, it is difficult to consider the actual working state of the bearing body, resulting in inaccurate measurement.

Method used

Design an insulation performance test device for high-seal water pump bearings, including the device body, a fixing plate, a closure assembly, a fixing assembly and a heat dissipation assembly. The variable speed motor drives the central axis to rotate, and the linkage sleeve drives the fixed column and the arc-shaped clamp plate to rotate, so as to achieve insulation testing of the bearing body at high speed. At the same time, the temperature is adjusted by the heater and the heat dissipation fan to simulate the insulation performance of the bearing under different working conditions.

Benefits of technology

It improves the accuracy and efficiency of the insulation performance test of sealed water pump bearings, and can accurately measure its insulation performance while simulating the working temperature and rotation speed of the bearing, thereby extending the service life of the bearing.

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Abstract

The utility model discloses a high-sealing water pump bearing insulation performance test device, which comprises a device main body, a fixed plate is fixedly connected in the device main body, two closed test bins and a cooling bin are formed through a closed assembly arranged at the bottom of the fixed plate, and two fixing assemblies convenient to fix are arranged in the test bin. A heat dissipation assembly facilitating heat dissipation is arranged in the cooling bin. The fixing assembly comprises a variable-speed motor, the variable-speed motor is installed on the outer wall of the device body, the output end of the variable-speed motor penetrates through the inner wall of the testing bin and is fixedly connected with a center shaft, the end, away from the variable-speed motor, of the center shaft is fixedly sleeved with a linkage sleeve, and the top and the bottom of the linkage sleeve are fixedly connected with fixing columns. Through the heat conduction pipe at the bottom of the warmer, the temperature in the cooling bin is raised, then the bearing body is clamped and fixed by the multiple arc-shaped clamping plates, the bearing body can be driven to be fixed and accelerated through the two fixing assemblies, the working state of the bearing body is simulated for testing, and the quality of a detection result is improved.
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Description

Technical Field

[0001] The utility model relates to an insulation performance test device for a high-sealing water pump bearing, belonging to the technical field of insulation performance test for sealed water pump bearings. Background Art

[0002] Sealed water pump bearings are dustproof bearings, which can keep the bearings in a good seal to maintain the bearing lubrication condition and normal working environment, give full play to the function of the bearings, extend the service life of the bearings, and have a suitable seal for rolling bearings to prevent the leakage of lubricants and the intrusion of dust, water vapor or other dirt. This is beneficial to the protection of the bearings.

[0003] However, in the prior art, the operating temperature of the sealed water pump bearing varies from 0 to 100°C, and the speed is relatively fast during operation. Therefore, when measuring the insulation performance test, it is necessary to consider the actual working state of the bearing body to improve the accuracy of the measurement. Therefore, an insulation performance test device for a highly sealed water pump bearing is designed. Utility Model Content

[0004] The purpose of the utility model is to design an insulation performance test device for a high-sealing water pump bearing in view of the above-mentioned problems existing in the prior art, to overcome the deficiencies of the prior art.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] An insulation performance test device for a high-sealing water pump bearing comprises a device body, a fixing plate is fixedly connected inside the device body, two closed test chambers and a cooling chamber are formed by a closing component arranged at the bottom of the fixing plate, two conveniently fixed fixing components are arranged inside the test chamber, and a heat dissipation component conveniently dissipating heat is arranged inside the cooling chamber;

[0007] The fixing assembly includes a variable speed motor, which is installed on the outer wall of the device body, and the output end of the variable speed motor passes through the inner wall of the test chamber and is fixedly connected with a central axis. The end of the central axis away from the variable speed motor is fixedly sleeved with a linkage sleeve, and the top and bottom of the linkage sleeve are fixedly connected with fixed columns, and positioning plates are welded at the ends of the two fixing columns away from the linkage sleeve. The two positioning plates are both provided with threaded holes, and threaded rods are threadedly connected in the threaded holes, and arc-shaped clamping plates are provided at the corresponding inner ends of the two threaded rods.

[0008] Preferably, sliding notches are provided on both sides of the inner wall of the device body, a limiting groove is provided at the bottom of the fixing plate, and a card slot is provided on the side wall of the test chamber.

[0009] Preferably, the closing assembly includes a telescopic card plate, a telescopic end portion and a closing protrusion, the telescopic card plate is fixedly arranged in the middle position between the test chamber and the cooling chamber, the telescopic end portion slides inside the telescopic card plate, and the closing protrusion is fixed to the outer wall of the device body.

[0010] Preferably, the side width of the telescopic end is matched with the notch of the clamping plate and the limiting groove, a fixing block is welded on one side of the telescopic end, a closed ring is hinged on the outer surface of the fixing block, and the closed ring is engaged with the closed protrusion.

[0011] Preferably, the heat dissipation component includes a heat dissipation fan and a plurality of heat dissipation slots, the heat dissipation fan is installed on the inner wall of the cooling bin, the heat dissipation fan is provided with fan blades through a rotating shaft, and the heat dissipation slots are opened on the top of the cooling bin.

[0012] Preferably, a heater is installed on the top of the test chamber, a plurality of heat pipes are fixedly arranged on the bottom of the heater, a temperature sensor is arranged on one side of the fixing plate, and the temperature sensor is located inside the cooling chamber.

[0013] Preferably, a device door is hingedly connected to the front of the device body through a hinge, a handle is welded to the outside of the device door, and support plates are fixedly connected to the outer walls on both sides of the test chamber, and the support plates are located on the top of the variable speed motor.

[0014] Beneficial effects achieved by the utility model:

[0015] 1. If it is necessary to test the speed and temperature of the bearing body during operation, turn on the heater, and increase the temperature inside the cooling chamber through the heat pipe at the bottom of the heater. Then, clamp and fix the bearing body with multiple arc-shaped pallets, and turn on two variable-speed motors. The variable-speed motor drives the central shaft to rotate, and the central shaft drives the linkage sleeve to rotate. The linkage sleeve drives the upper and lower fixed columns, positioning plates, threaded rods and arc-shaped pallets to rotate. The insulation of the bearing body is tested at a high rotation speed by fixing the arc-shaped pallets to improve the quality of the experiment.

[0016] 2. The device sets a closing component at the bottom of the fixed plate, pulls the closing ring, and engages the closing ring with the closing protrusion, so that the test chamber and the cooling chamber can be closed, and the device can perform insulation test on the high-sealing water pump bearing body under a sealed condition, thereby improving the test efficiency. If it is necessary to dissipate heat inside the cooling chamber, the closing ring is separated from the closing protrusion, and the closing ring is pulled downward. The closing ring drives the telescopic end to be received in the telescopic card plate through the fixed block, and then the heat is dissipated through the heat dissipation component inside the cooling chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the utility model is given;

[0018] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the fixed component shown;

[0019] Figure 3 for Figure 1 The schematic diagram of the structure viewed from above is shown;

[0020] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A;

[0021] Figure 5 for Figure 1 Schematic diagram of the internal structure of the cooling chamber.

[0022] Figure numerals: 1. Device body; 01. Test chamber; 02. Cooling chamber; 2. Fixed plate; 3. Closing assembly; 31. Telescopic card plate; 32. Telescopic end; 33. Fixed block; 34. Closing ring; 35. Closing protrusion; 4. Fixed assembly; 41. Variable speed motor; 42. Center axis; 43. Linkage sleeve; 44. Fixed column; 45. Positioning plate; 46. Threaded rod; 47. Arc card plate; 5. Heat dissipation assembly; 51. Heat dissipation fan; 52. Fan blades; 53. Heat dissipation slot; 6. Heater; 7. Heat pipe; 8. Temperature sensor; 9. Device door; 10. Handle; 11. Support plate; 12. Limiting groove. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0024] Example 1

[0025] like Figure 1-5 As shown, the utility model proposes an insulation performance test device for a high-sealing water pump bearing, comprising a device body 1, a fixing plate 2 is fixedly connected inside the device body 1, two closed test chambers 01 and cooling chambers 02 are formed by a closing component 3 arranged at the bottom of the fixing plate 2, two fixing components 4 for convenient fixing are arranged inside the test chamber 01, and a heat dissipation component 5 for convenient heat dissipation is arranged inside the cooling chamber 02; the fixing component 4 comprises a variable speed motor 41, the variable speed motor 41 is mounted on the outer wall of the device body 1, the output end of the variable speed motor 41 passes through the inner wall of the test chamber 01, and is fixedly connected with a central axis 42, and a linkage sleeve 43 is fixedly sleeved at one end of the central axis 42 away from the variable speed motor 41, and the top and bottom of the linkage sleeve 43 are fixedly connected with fixing columns 44, and positioning plates 45 are welded at one end of the two fixing columns 44 away from the linkage sleeve 43, and the two positioning plates 45 are both provided with threaded holes, and threaded rods 46 are threadedly connected in the threaded holes, and arc-shaped clamping plates 47 are arranged at the corresponding inner ends of the two threaded rods 46.

[0026] In this embodiment, a fixing plate 2 is fixedly connected to the inside of the device body 1, and two closed test chambers 01 and cooling chambers 02 are formed by a closing component 3 arranged at the bottom of the fixing plate 2. The test chamber 01 and the cooling chamber 02 can be connected or closed by the closing component 3. A heat dissipation component 5 for convenient heat dissipation is arranged inside the cooling chamber 02, and the inside of the test chamber 01 can be cooled by the heat dissipation component 5. The fixing component 4 includes a variable speed motor 41, and a central shaft 42 is installed on the outer wall of the device body 1. The variable speed motor 41 drives the central shaft 42 to rotate, and the central shaft 42 drives the linkage sleeve 43 to rotate. The linkage sleeve 43 drives the upper and lower fixed columns 44, the positioning plate 45, the threaded rod 46 and the arc clamping plate 47 to rotate. The arc clamping plate 47 is used to fix and drive the high-sealing water pump bearing body to test the insulation under a very fast rotation speed, thereby improving the accuracy of the test. The two positioning plates 45 are used to fix the moving distance of the two arc clamping plates 47 led by the threaded rod 46.

[0027] Example 2

[0028] like Figure 1-5 As shown, the utility model proposes an insulation performance test device for a high-sealing water pump bearing. Compared with Example 1, this embodiment also includes sliding notches on both sides of the inner wall of the device body 1, a limiting groove 12 is provided at the bottom of the fixing plate 2, a card slot is provided on the side wall of the test chamber 01, and a closing component 3 includes a telescopic card 31, a telescopic end 32 and a closing protrusion 35. The telescopic card 31 is fixedly arranged in the middle position of the test chamber 01 and the cooling chamber 02, the telescopic end 32 slides inside the telescopic card 31, and the closing protrusion 35 is fixed to the outer wall of the device body 1. The side width of the telescopic end 32 is adapted to the card slot and the limiting groove 12. A fixing block 33 is welded on one side of the telescopic end 32, and the outer surface of the fixing block 33 is hinged. There is a closed ring 34, which is engaged with the closed protrusion 35. The heat dissipation component 5 includes a heat dissipation fan 51 and a plurality of heat dissipation slots 53. The heat dissipation fan 51 is installed on the inner wall of the cooling chamber 02. The heat dissipation fan 51 is provided with fan blades 52 through a rotating shaft. The heat dissipation slots 53 are opened at the top of the cooling chamber 02. A heater 6 is installed on the top of the test chamber 01. A plurality of heat conduction pipes 7 are fixedly provided at the bottom of the heater 6. A temperature sensor 8 is provided on one side of the fixed plate 2. The temperature sensor 8 is located inside the cooling chamber 02. A device door 9 is hinged on the front of the device body 1 through a hinge. A handle 10 is welded on the outside of the device door 9. The outer walls on both sides of the test chamber 01 are fixedly connected with support plates 11, and the support plates 11 are located on the top of the variable speed motor 41.

[0029] In this embodiment, sliding notches are provided on both sides of the inner wall of the device body 1, a limiting groove 12 is provided at the bottom of the fixed plate 2, a cardboard notch is provided on the side wall of the test chamber 01, and the side width of the telescopic end 32 is adapted to the cardboard notch and the limiting groove 12. The telescopic end 32 slides in the sliding notch. When the telescopic end 32 moves, the top can be received by the inner wall of the limiting groove 12 and conflict with the cardboard notch, so as to close the test chamber 01 and the cooling chamber 02, and better improve the internal temperature of the test chamber 01. The model of the temperature sensor 8 is TEMI580. By setting a heater 6, the internal temperature of the test chamber 01 can be improved through multiple heat pipes 7, and the insulation of the bearing body during the test simulation work is observed to improve the test effect. The heat dissipation component 5 is used to communicate with the cooling chamber 02 through the test chamber 01 when cooling is needed, and then improve the air circulation inside the test chamber 01 through the heat dissipation notches and 53 of the fan blades 52 for rapid cooling.

[0030] Working principle: When doing insulation performance test on high-sealed water pump bearing, first, place the main body of high-sealed water pump bearing on the two arc-shaped card plates 47 at the bottom, and then rotate the threaded rod 46 to make the threaded rod 46 move up and down on the positioning plate 45, and fix it to 1 through the arc-shaped card plates 47 arranged up and down, and start the two variable speed motors 41 at the same time, the variable speed motor 41 drives the central shaft 42 to rotate, the central shaft 42 drives the linkage sleeve 43 to rotate, and the linkage sleeve 43 drives the upper and lower fixed columns 44, the positioning plate 45, the threaded rod 46 and the arc-shaped card plates 47 to rotate, and the high-sealed water pump bearing main body is fixed and driven by the arc-shaped card plates 47 to test the insulation under the condition of fast rotation speed, so as to improve the quality of the test. Secondly, if it is necessary to test the high-sealed water pump bearing under high temperature conditions, The water pump bearing body is sealed, and the heater 6 can be turned on. The internal temperature of the cooling chamber 02 can be increased through the heat pipe 7 at the bottom of the heater 6, so that the insulation of the high-sealed water pump bearing body during rotation and high temperature can be accurately measured. If the temperature sensor 8 detects that the internal temperature is too high, the closed ring 34 can be disengaged from the closed protrusion 35, and the closed ring 34 can be pulled downward. The closed ring 34 drives the telescopic end 32 to be received in the telescopic card plate 31 through the fixed block 33, so that the test chamber 01 and the cooling chamber 02 are connected, and the heat dissipation fan 51 is turned on. The internal temperature of the test chamber 01 is cooled by the fan blades 52 and the heat dissipation slots 53, which effectively protects the service life of the parts. The device can be used to test the insulation effect of the high-sealed water pump bearing body during operation.

[0031] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A highly sealed water pump bearing insulation performance test device, comprising a device body (1), characterized in that: A fixing plate (2) is fixedly connected to the inside of the device body (1); two closed test chambers (01) and a cooling chamber (02) are formed by a closing component (3) arranged at the bottom of the fixing plate (2); two fixing components (4) for convenient fixing are arranged inside the test chamber (01); and a heat dissipation component (5) for convenient heat dissipation is arranged inside the cooling chamber (02); The fixing assembly (4) comprises a variable speed motor (41), the variable speed motor (41) being mounted on the outer wall of the device body (1), the output end of the variable speed motor (41) penetrating the inner wall of the test chamber (01) and being fixedly connected to a central axis (42), the end of the central axis (42) away from the variable speed motor (41) being fixedly sleeved with a linkage sleeve (43), the top and bottom of the linkage sleeve (43) being fixedly connected to fixing columns (44), the ends of the two fixing columns (44) away from the linkage sleeve (43) being welded with positioning plates (45), the two positioning plates (45) being provided with threaded holes, the threaded holes being threadedly connected to threaded rods (46), and the corresponding inner ends of the two threaded rods (46) being provided with arc-shaped clamping plates (47).

2. The insulation performance test device for a high-sealing water pump bearing according to claim 1 is characterized in that: Sliding notches are provided on both sides of the inner wall of the device body (1), a limiting groove (12) is provided at the bottom of the fixing plate (2), and a card slot is provided on the side wall of the test chamber (01).

3. The insulation performance test device for a high-sealing water pump bearing according to claim 1 is characterized in that: The sealing assembly (3) comprises a telescopic card plate (31), a telescopic end portion (32) and a sealing protrusion (35); the telescopic card plate (31) is fixedly arranged in the middle position between the test chamber (01) and the cooling chamber (02); the telescopic end portion (32) slides inside the telescopic card plate (31); and the sealing protrusion (35) is fixed to the outer wall of the device body (1).

4. The insulation performance test device for a high-sealing water pump bearing according to claim 3 is characterized in that: The side width of the telescopic end portion (32) is adapted to the notch of the clamping plate and the limiting groove (12); a fixing block (33) is welded to one side of the telescopic end portion (32); a closed ring (34) is hingedly connected to the outer surface of the fixing block (33); and the closed ring (34) is engaged with the closed protrusion (35).

5. The insulation performance test device for a high-sealing water pump bearing according to claim 1 is characterized in that: The heat dissipation assembly (5) comprises a heat dissipation fan (51) and a plurality of heat dissipation slots (53); the heat dissipation fan (51) is installed on the inner wall of the cooling chamber (02); the heat dissipation fan (51) is provided with fan blades (52) via a rotating shaft; and the heat dissipation slots (53) are provided on the top of the cooling chamber (02).

6. The insulation performance test device for a high-sealing water pump bearing according to claim 1 is characterized in that: A heater (6) is installed on the top of the test chamber (01), a plurality of heat conduction pipes (7) are fixedly arranged on the bottom of the heater (6), a temperature sensor (8) is arranged on one side of the fixing plate (2), and the temperature sensor (8) is located inside the cooling chamber (02).

7. The insulation performance test device for a high-sealing water pump bearing according to claim 1 is characterized in that: The front of the device body (1) is hingedly connected to a device door (9), and a handle (10) is welded to the outside of the device door (9). The outer walls on both sides of the test chamber (01) are fixedly connected to support plates (11), and the support plates (11) are located on the top of the variable speed motor (41).