CN110954327A - Grease lubrication rolling bearing life acceleration experiment device based on switched reluctance motor - Google Patents
Grease lubrication rolling bearing life acceleration experiment device based on switched reluctance motor Download PDFInfo
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- CN110954327A CN110954327A CN201911382688.3A CN201911382688A CN110954327A CN 110954327 A CN110954327 A CN 110954327A CN 201911382688 A CN201911382688 A CN 201911382688A CN 110954327 A CN110954327 A CN 110954327A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 83
- 238000005461 lubrication Methods 0.000 title claims abstract description 23
- 239000004519 grease Substances 0.000 title claims abstract description 22
- 230000001133 acceleration Effects 0.000 title claims abstract description 12
- 238000002474 experimental method Methods 0.000 title claims description 15
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 239000010426 asphalt Substances 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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Abstract
The invention aims to provide a grease lubrication rolling bearing service life acceleration experimental device based on a switched reluctance motor, which can control the experimental temperature so as to obtain more accurate measurement data. The invention relates to a life acceleration experimental device for a grease lubrication rolling bearing, which comprises a switched reluctance motor, a supporting module and a controller for controlling the switched reluctance motor to work, wherein the supporting module is of a box-type structure with a hollow cavity, a temperature sensor and a limiting part for limiting the rolling bearing to be detected are arranged in the hollow cavity, a motor shaft of the switched reluctance motor penetrates through the limiting part of the supporting module, and an air inlet and an air outlet are arranged on the side wall of the hollow cavity; and a radial loading block is arranged on the motor shaft. The invention can meet the temperature and precision requirements of the grease lubrication rolling bearing to be tested, shortens the life test period of the grease lubrication rolling bearing, saves the test cost, can meet the actual use condition of the test rolling bearing according to the test result, and has good practicability.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to an accelerated life experimental device for a rolling bearing.
Background
Grease lubrication rolling bearings are one of the essential key basic components in many rotating machines, and the service life of the rolling bearings is an extremely important performance index in the use process of the rolling bearings. Therefore, in order to better understand the performance index of the rolling bearing, a life test of the rolling bearing is required, so as to ensure the safety and reliability of the rolling bearing in practical use.
At present, because various types of rolling bearings are different, the actual use environments of the rolling bearings are different, and the actual use environments of the rolling bearings have important influence on the service life of the rolling bearings, so that it is necessary to develop a rolling bearing service life test bed according to the actual use environments of the rolling bearings.
In the life test stand, a simulation experiment of a rolling bearing by using a switched reluctance motor is a very important part. The permanent magnet motor, the brush direct current motor, the single-phase asynchronous motor and the like are adopted for testing the grease lubrication rolling bearing on the existing experimental equipment, and the motors have different defects, wherein the important problems are that the structure of the non-switched reluctance motor is complex and expensive, the cost for measuring the same rolling bearing is higher, and the economic requirement is not met. And when other motors are used for transmission, a coupler is used, and the coupler is attached to a vibrating rolling bearing when power is transmitted, so that a large error is caused. In order to reduce the cost required for measuring the service life of the rolling bearing and reduce the influence of other additional factors on the measurement of the rolling bearing, the switched reluctance motor is required to be used as the power required for testing the rolling bearing.
When carrying out grease lubrication and measuring antifriction bearing life-span, when the rotational speed is very high, the temperature of bearing department is very high, and is uncertain, and experimental temperature is closely relevant with antifriction bearing's life-span, for the ambient temperature of better simulation antifriction bearing during operation, obtains more accurate measured data, it is necessary to design a grease lubrication antifriction bearing life-span acceleration experimental apparatus that can accurate control experimental temperature.
Disclosure of Invention
The invention aims to provide a grease lubrication rolling bearing service life acceleration experimental device based on a switched reluctance motor, which can control the experimental temperature so as to obtain more accurate measurement data.
The invention relates to a grease lubrication rolling bearing service life acceleration experimental device based on a switched reluctance motor, which comprises the switched reluctance motor, a supporting module and a controller for controlling the switched reluctance motor to work, wherein the supporting module is of a box-type structure with a hollow cavity, a temperature sensor and a limiting part for limiting a rolling bearing to be tested are arranged in the hollow cavity, a motor shaft of the switched reluctance motor penetrates through the limiting part of the supporting module, and an air inlet and an air outlet are arranged on the side wall of the hollow cavity; and a radial loading block is arranged on the motor shaft.
During the experiment, the rolling bearing is fixed on a motor shaft of the switched reluctance motor, and the axial direction and the radial direction of the rolling bearing are limited by utilizing the limiting part of the supporting module; when the motor shaft rotates, the rolling bearing and the radial loading block can be driven to synchronously rotate, and radial loads of various sizes can be provided for the experimental device by replacing the radial loading blocks with different masses. During the experiment, the hot air engine can be connected with the air inlet of the hollow cavity, hot air with a preset temperature is injected into the hollow cavity by the hot air engine according to experiment requirements, so that the experimental environment temperature of the rolling bearing is adjusted to a preset temperature, a proper constant temperature environment is provided for the rolling bearing life accelerating device, the test is matched with the actual working environment of the rolling bearing, and the experimental accuracy of the rolling bearing operation device is improved greatly.
The experimental device directly installs the rolling bearing to be tested on the motor shaft, and can avoid the influence of additional vibration caused by the fact that a plurality of shafts are difficult to realize complete centering connection, thereby effectively improving the accuracy of the vibration detection data of the bearing. The switched reluctance motor has more functions, and can realize variable load loading or variable rotating speed driving in the types of symmetric circulation, pulse circulation, asymmetric circulation, regular instability, random instability and the like, so that the service life test of the rolling bearing by adopting the switched reluctance motor as a driving piece is more reasonable. The controller is connected with the switched reluctance motor, and detects and controls the rotating speed of the switched reluctance motor in real time so as to accurately control the working condition of the rolling bearing to be detected.
When the life test of the grease lubrication rolling bearing is carried out, the switched reluctance motor can vibrate more or less, and the tiny vibration signals can be transmitted to the rolling bearing to be measured, so that the accuracy of the life measurement of the rolling bearing is influenced. In order to better reduce the influence of the vibration of the motor on the service life measurement of the rolling bearing, the experimental device is further provided with a damping rack, the damping rack consists of a shockproof asphalt plate, a driving rack and a supporting rack, the driving rack and the supporting rack are fixed on the shockproof asphalt plate at intervals, the switched reluctance motor is fixed on the driving rack, and the supporting module is fixed on the supporting rack. The switched reluctance motor and the supporting module are fixed by adopting different racks, and the driving rack and the supporting rack are fixed by utilizing the shockproof asphalt plate, so that vibration propagation between the switched reluctance motor and the supporting module can be well isolated, and the measuring precision is improved.
Furthermore, the driving rack and the supporting rack are both composed of supporting plates and supporting columns located at two ends of the supporting plates, protruding limiting sleeves are arranged on the top surfaces of the shockproof asphalt plates, the supporting columns are downwards inserted into the limiting sleeves, and asphalt shock-absorbing layers are wrapped on the bottom surfaces and the side surfaces of the supporting columns. Through the cooperation of support column and spacing sleeve, can isolate the vibration propagation between drive frame, supporting frame and the asphalt slab that takes precautions against earthquakes better to improve the measuring precision.
Furthermore, an axial loader for axially loading a motor shaft is arranged between the support module and the switched reluctance motor, the axial loader is an electromagnetic sucker type axial loader, a rotating disc of the electromagnetic sucker type axial loader is fixed on the motor shaft of the switched reluctance motor, and two fixed discs of the electromagnetic sucker type axial loader, which can generate electromagnetic suction force, are respectively positioned on two sides of the rotating disc and are fixedly connected with the driving rack; the electromagnetic chuck type axial loader is connected with the controller. The controller can control the size of the electromagnetic suction force generated by the fixed disc, apply the axial suction force with proper size to the rotary disc, realize the adjustment of the axial load of the motor shaft, provide the axial loads with various sizes for the experimental device and enrich the experimental conditions.
Further, the support module is provided with a vibration sensor, and the vibration sensor is connected with a controller. The installation position of the vibration sensor can be arranged on the front side (or the rear side), the top end surface, the left side (or the right side) and the like of the support module according to requirements so as to detect the radial and axial vibration conditions of the bearing.
The experimental device for accelerating the service life of the grease lubrication rolling bearing based on the switched reluctance motor has the advantages of simple structure and convenience in operation, can meet the requirements of temperature and precision of the grease lubrication rolling bearing to be tested, shortens the service life test period of the grease lubrication rolling bearing, saves test cost, can meet the actual service condition of the test rolling bearing, and has good practicability.
Drawings
Fig. 1 is an overall schematic diagram of a life acceleration experimental apparatus for a grease lubrication rolling bearing based on a switched reluctance motor according to embodiment 1.
Fig. 2 is a schematic structural view (cross-sectional view) of a drive chassis and a switched reluctance motor.
FIG. 3 is a sectional view of the experimental apparatus of example 1, the sectional view being a horizontal sectional view and a plan view thereof.
FIG. 4 is a schematic control diagram of the experimental apparatus of example 1.
The figures are numbered: 1. a switched reluctance motor; 11. a motor shaft; 2. a support module; 21. a hollow chamber; 22. an auxiliary limit bearing; 3. a controller; 4. a vibration-proof asphalt sheet; 41. a limiting sleeve; 5. a drive chassis; 6. a support frame; 7. a limiting part; 8. rolling bearings to be tested; 9. a radial loading block; 10. an axial loader.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
this embodiment has provided a grease lubrication antifriction bearing life-span acceleration experiment device based on switched reluctance motor, and this experiment device can control the experiment temperature to obtain more accurate measured data.
As shown in fig. 1 to 3, the grease lubrication rolling bearing life acceleration experiment device based on the switched reluctance motor of the embodiment includes a damping frame, a switched reluctance motor 1, a supporting module 2, and a controller 3 for controlling the operation of the switched reluctance motor 1, wherein:
the vibration damping machine frame consists of a vibration damping asphalt plate 4, a driving machine frame 5 and a supporting machine frame 6 which are fixed on the vibration damping asphalt plate 4 at intervals, wherein the driving machine frame 5 and the supporting machine frame 6 are respectively composed of a supporting plate made of cement and cement supporting columns positioned at two ends of the supporting plate, the top surface of the vibration damping asphalt plate 4 is provided with a protruding limiting sleeve 41, the supporting columns are downwards inserted into the limiting sleeve 41, and the bottom surface and the side surfaces of the supporting columns are wrapped with asphalt vibration damping layers; the switched reluctance motor 1 is fixed on a support plate of the driving frame 5 by anchor bolts, and the supporting module 2 is fixed on a support plate of the supporting frame 6 by anchor bolts. Switched reluctance motor 1, support module 2 adopt different frames to fix, and the support column of frame has damping cooperation structure with stop sleeve 41, can completely cut off the vibration propagation between drive frame 5, support frame 6 and the bituminous sheet 4 that takes precautions against earthquakes better to improve measuring precision. In this embodiment, the asphalt quake-proof plate 4 is formed by hollowing out the center of the ground and then filling the center with asphalt quakeproof.
The supporting module 2 is a box-type structure with a hollow chamber 21, a temperature sensor (the temperature sensor is not shown in the figure) is arranged in the hollow chamber 21, a limiting part 7 used for limiting a rolling bearing 8 to be detected is arranged in the supporting module 2 and at a position corresponding to a box cover, a motor shaft 11 of the switched reluctance motor 1 penetrates through the limiting part 7 of the supporting module 2, and an air inlet and an air outlet (the air inlet and the air outlet are not shown in the figure) are arranged on the side wall of the hollow chamber 21; the end part of the motor shaft 11 is provided with a radial loading block 9 in a threaded connection mode. The radial loading block 9 can be a disk-shaped weight with a standard weight, and the axial center of the motor shaft 11, the center of the limiting part 7, and the center of the radial loading block 9 are consistent in height. The temperature sensor may be a non-contact temperature sensor, such as an infrared temperature sensor, and will not be described herein. In order to ensure the stability of the motor shaft 11, the two side walls of the support module 2 are provided with auxiliary limit bearings 22, and the motor shaft 11 passes through the auxiliary limit bearings 22.
The support module 2 is equipped with a vibration sensor (not shown) which is connected to the controller 3. The mounting position of the vibration sensor can be arranged on the front side (or the rear side), the top end face, the left side (or the right side) and the like of the support module 2 according to requirements so as to detect the radial and axial vibration conditions of the bearing.
An axial loader 10 for axially loading a motor shaft 11 is arranged between the supporting module 2 and the switched reluctance motor 1, the axial loader 10 is an electromagnetic suction cup type axial loader 10, a rotary disc of the electromagnetic suction cup type axial loader 10 is fixed on the motor shaft 11 of the switched reluctance motor 1, and two fixed discs of the electromagnetic suction cup type axial loader 10, which can generate electromagnetic suction, are respectively positioned on two sides of the rotary disc and are fixedly connected with the driving rack 5; the electromagnetic chuck type axial loader 10 is connected to the controller 3. The controller 3 can control the size of the electromagnetic suction force generated by the fixed disc, apply the axial suction force with proper size to the rotary disc, realize the adjustment of the axial load of the motor shaft 11, provide the axial loads with various sizes for the experimental device, and enrich the experimental conditions.
As shown in fig. 4, the controller 3 is respectively connected to the axial loader 10, the temperature sensor, the switched reluctance motor 1 (including a power converter, a current detection device, a position sensor, etc. of the switched reluctance motor 1), and the vibration sensor, and the controller 3 controls the axial loader 10 to adjust the axial load of the motor shaft 11, and detects the temperature of the rolling bearing 8 to be measured in real time through the temperature sensor. The controller 3 is the core of the whole set of speed regulating system, comprehensively processes the feedback information of each sensor, and then sends a control signal to the power converter, so that the power converter drives the switched reluctance motor 1 (namely, the SRM in the figure) to accurately control the working condition of the rolling bearing 8 to be measured. The power converter is responsible for providing energy required by operation for the switched reluctance motor 1, and is powered by direct current obtained by rectifying storage batteries or alternating current.
The whole set of experimental device combines strong controllability of the switched reluctance motor 1, the controller 3 can realize variable load loading or variable rotating speed driving of types such as symmetric circulation, pulse circulation, asymmetric circulation, regular instability, random instability and the like through related control algorithms, further realize accelerated life test of the oil lubrication rolling bearing 8 under the influence of factors such as different loads, rotating speeds, temperatures, lubrication states and the like, and control the experimental device to automatically stop when the vibration, the temperature, the lubrication states and the like of the bearing exceed preset values, and the experimental device has the advantages of simple structure, comprehensive functions, strong controllability, accurate test (less additional vibration) and the like, can be used for generating high-quality full life cycle data of the rolling bearing 8, and further meets the requirements of life prediction and health management research of the rolling bearing 8.
During the experiment, the rolling bearing 8 is fixed on a motor shaft 11 of the switched reluctance motor 1, and the axial direction and the radial direction of the rolling bearing 8 are limited by the limiting part 7 of the supporting module 2; when the motor shaft 11 rotates, the rolling bearing 8 and the radial loading block 9 can be driven to synchronously rotate, and radial loads of various sizes can be provided for the experimental device by replacing the radial loading blocks 9 with different masses. During the experiment, the hot air engine can be connected with the air inlet of the hollow cavity 21, hot air at a preset temperature is injected into the hollow cavity 21 by the hot air engine according to experiment requirements, so that the experiment environment temperature of the rolling bearing 8 is adjusted to a preset temperature, a proper constant temperature environment is provided for the rolling bearing 8 service life accelerating device, the test is matched with the actual working environment of the rolling bearing 8, and the experiment accuracy of the rolling bearing 8 running device is improved greatly.
The experimental device directly installs the rolling bearing 8 to be tested on the motor shaft 11, and can avoid the influence of additional vibration caused by the fact that a plurality of shafts are difficult to realize complete centering connection, thereby effectively improving the accuracy of the vibration detection data of the bearing. The switched reluctance motor 1 has more functions, and can realize variable load loading or variable rotating speed driving in the types of symmetric circulation, pulse circulation, asymmetric circulation, regular instability, random instability and the like, so that the service life test of the rolling bearing 8 by adopting the switched reluctance motor 1 as a driving piece is more reasonable. The controller 3 is connected with the switched reluctance motor 1, and detects and controls the rotating speed of the switched reluctance motor 1 in real time so as to accurately control the working condition of the rolling bearing 8 to be detected.
Compared with the prior art, the invention has the following advantages:
the switched reluctance motor 1 adopted by the invention has a simple structure, and is directly transmitted to the rolling bearing 8 to be tested by using a single shaft, so that the influence of extra vibration generated by using a coupler or a reducer and the like on the rolling bearing 8 to be tested is reduced, the axial loading force and the radial loading force can be simultaneously added to the rolling bearing 8 by the supporting module 2, so that the load of the rolling bearing 8 is more consistent with the actual situation, the test period can be greatly shortened, and the test cost is saved, because the rolling bearing 8 can generate heat during operation, in order to reduce the phenomenon that the rolling bearing 8 is heated unevenly and simulate the more real working environment of the rolling bearing 8, the device utilizes the thermomotor to ventilate into the cavity, and transmits the heat to the rolling bearing 8, so that the temperature of the rolling bearing reaches the set; the vibration-isolating frame has a good vibration-isolating effect, so that the power part and the test part are completely separated, the vibration generated on the switched reluctance motor 1 is not transmitted to the test device, and the measurement precision is greatly improved.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the invention is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A grease lubrication rolling bearing service life acceleration experiment device based on a switched reluctance motor is characterized by comprising the switched reluctance motor, a supporting module and a controller for controlling the switched reluctance motor to work, wherein the supporting module is of a box-type structure with a hollow cavity, a temperature sensor and a limiting part for limiting a rolling bearing to be tested are arranged in the hollow cavity, a motor shaft of the switched reluctance motor penetrates through the limiting part of the supporting module, and an air inlet and an air outlet are formed in the side wall of the hollow cavity; and a radial loading block is arranged on the motor shaft.
2. The device for testing the life acceleration of a grease lubricated rolling bearing based on the switched reluctance motor as claimed in claim 1, further comprising a damping frame, wherein the damping frame is composed of a vibration-proof asphalt slab, a driving frame and a supporting frame, the driving frame and the supporting frame are fixed on the vibration-proof asphalt slab at intervals, the switched reluctance motor is fixed on the driving frame, and the supporting module is fixed on the supporting frame.
3. The experimental device for accelerating the service life of the grease-lubricated rolling bearing based on the switched reluctance motor as claimed in claim 2, wherein the driving rack and the supporting rack are both composed of supporting plates and supporting columns located at two ends of the supporting plates, the top surfaces of the shockproof asphalt plates are provided with protruding limiting sleeves, the supporting columns are inserted into the limiting sleeves downwards, and the bottom surfaces and the side surfaces of the supporting columns are wrapped with asphalt shock-absorbing layers.
4. The experimental device for accelerating the service life of the grease-lubricated rolling bearing based on the switched reluctance motor according to claim 2 or 3, wherein an axial loader for axially loading a motor shaft is arranged between the supporting module and the switched reluctance motor, the axial loader is an electromagnetic sucker-type axial loader, a turntable of the electromagnetic sucker-type axial loader is fixed on the motor shaft of the switched reluctance motor, and two fixed discs of the electromagnetic sucker-type axial loader, which can generate electromagnetic suction force, are respectively positioned on two sides of the turntable and are fixedly connected with the driving rack; the electromagnetic chuck type axial loader is connected with the controller.
5. The accelerated experimental device for the service life of the grease lubricated rolling bearing based on the switched reluctance motor as claimed in claim 1, wherein the supporting module is provided with a vibration sensor, and the vibration sensor is connected with a controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382688.3A CN110954327A (en) | 2019-12-27 | 2019-12-27 | Grease lubrication rolling bearing life acceleration experiment device based on switched reluctance motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382688.3A CN110954327A (en) | 2019-12-27 | 2019-12-27 | Grease lubrication rolling bearing life acceleration experiment device based on switched reluctance motor |
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| CN110954327A true CN110954327A (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295510A (en) * | 2021-11-18 | 2022-04-08 | 郑州众城润滑科技有限公司 | Lubricating grease linear acceleration performance testing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202485900U (en) * | 2012-02-17 | 2012-10-10 | 安徽华菱西厨装备股份有限公司 | Performance testboard for screw conveying mechanism of meat grinder |
| CN105136457A (en) * | 2015-06-03 | 2015-12-09 | 重庆大学 | High/low-temperature controllable multi-specification rolling bearing test bench |
| CN205384140U (en) * | 2015-10-14 | 2016-07-13 | 南车戚墅堰机车车辆工艺研究所有限公司 | Test device of wind -powered electricity generation gear box |
| CN106092576A (en) * | 2016-06-20 | 2016-11-09 | 苏州东菱科技有限公司 | Multifunction bearing pilot system |
| CN205785814U (en) * | 2016-05-27 | 2016-12-07 | 中航商用航空发动机有限责任公司 | The reliability test of aeroplane engine main bearing |
| CN107178577A (en) * | 2017-07-19 | 2017-09-19 | 蒙彦彤 | damping device for electromechanical equipment |
| CN107436239A (en) * | 2017-09-11 | 2017-12-05 | 中国航发哈尔滨轴承有限公司 | Grease lubricating bearing exerciser |
| CN206818416U (en) * | 2016-07-21 | 2017-12-29 | 王朝阁 | A kind of rolling bearing fault simulated experiment platform for being easy to add load |
-
2019
- 2019-12-27 CN CN201911382688.3A patent/CN110954327A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202485900U (en) * | 2012-02-17 | 2012-10-10 | 安徽华菱西厨装备股份有限公司 | Performance testboard for screw conveying mechanism of meat grinder |
| CN105136457A (en) * | 2015-06-03 | 2015-12-09 | 重庆大学 | High/low-temperature controllable multi-specification rolling bearing test bench |
| CN205384140U (en) * | 2015-10-14 | 2016-07-13 | 南车戚墅堰机车车辆工艺研究所有限公司 | Test device of wind -powered electricity generation gear box |
| CN205785814U (en) * | 2016-05-27 | 2016-12-07 | 中航商用航空发动机有限责任公司 | The reliability test of aeroplane engine main bearing |
| CN106092576A (en) * | 2016-06-20 | 2016-11-09 | 苏州东菱科技有限公司 | Multifunction bearing pilot system |
| CN206818416U (en) * | 2016-07-21 | 2017-12-29 | 王朝阁 | A kind of rolling bearing fault simulated experiment platform for being easy to add load |
| CN107178577A (en) * | 2017-07-19 | 2017-09-19 | 蒙彦彤 | damping device for electromechanical equipment |
| CN107436239A (en) * | 2017-09-11 | 2017-12-05 | 中国航发哈尔滨轴承有限公司 | Grease lubricating bearing exerciser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295510A (en) * | 2021-11-18 | 2022-04-08 | 郑州众城润滑科技有限公司 | Lubricating grease linear acceleration performance testing machine |
| CN114295510B (en) * | 2021-11-18 | 2023-08-08 | 郑州众城润滑科技有限公司 | Linear acceleration performance testing machine for lubricating grease |
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