CN204903163U - Power self -balancing thrust bearing test bench structure - Google Patents
Power self -balancing thrust bearing test bench structure Download PDFInfo
- Publication number
- CN204903163U CN204903163U CN201520325716.9U CN201520325716U CN204903163U CN 204903163 U CN204903163 U CN 204903163U CN 201520325716 U CN201520325716 U CN 201520325716U CN 204903163 U CN204903163 U CN 204903163U
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- bearing
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- bearing frame
- thrust bearing
- media containers
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Abstract
The utility model provides a power self -balancing thrust bearing test bench structure, the on -line screen storage device comprises a base, the medium container is connected on the base, import of lubricated medium and export have been arranged to the medium container, the inside bearing frame that is equipped with of medium container, bearing frame's upper end and bearing frame end cover are connected, torque sensor's projecting shaft is connected with medium container lid bearing frame and bearing frame end cover respectively, bearing frame end cover and pneumatic cylinder are connected, hydraulic cylinder piston rod bears the dish on through and balances the thrust bearing subassembly and is connected, balanced thrust bearing subassembly is installed in bearing frame with experimental thrust bearing subassembly back -to -back, two upper and lower terminal surfaces of sharing thrust disc, under bear the dish be connected with the belleville spring subassembly, the moment and the support roll moving axis that record the frictional force production between thrust disc terminal surface and axle bush tiling through torque sensor hold friction torque, frictional behavior through the pressure sensor analysis thrust bearing in the balanced thrust bearing subassembly, the thrust bearing that can simulate emollient uses the operating mode, the measurement accuracy of friction properties coefficient has been improved.
Description
Technical field
The utility model relates to a kind of Thrust Bearing Test Rig, is specifically related to a kind of force self-balanced formula Thrust Bearing Test Rig structure.
Background technology
Modelling experiment is the important means of Large-scale Thrust Bearings research, and it is exactly the actual condition will simulating thrust bearing operation that modelling tests most important feature, and it is load, rotating speed, lubricant medium etc. that thrust bearing tests topmost control variable.Friction factor is calculated, with the running status of monitoring bearing and rubbing wear feature by measuring the friction force (square) that produces between friction pair and acting on the normal pressure that bearing joins in pair.At present, authorize, disclosed patent comprises " water lubricating thrust bearing test device " (application number: 200820089869.8 notification numbers: CN201202521Y); " a kind of thrust bearing tester " (application number: 200910236771.X publication number: CN102053015A); " a kind of end face frictional wear tester " (application number 201310311454.6, notification number CN103592192A); " thrust bearing experiment table " (application number: 201410630221.7 publication numbers: CN104359676A) etc.But adopt rolling bearing or other sliding bearing to carry out balancing axial loading force in these experiment tablees above, the friction force of extra spring bearing is addition of when making experiments of measuring bearing join friction force, and this additional friction force can change with load variations, inconvenience corrects.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of force self-balanced formula Thrust Bearing Test Rig structure, energy model fluid is as the thrust bearing applying working condition of lubricant, and the impact that Elimination test platform bracing or strutting arrangement is measured testpieces rubbing characteristics with the friction force that operating load changes, effectively improve the measuring accuracy of frictional behaviour coefficient.
For achieving the above object, the technical solution of the utility model is:
A kind of force self-balanced formula Thrust Bearing Test Rig structure, comprise base 1, media Containers 2 is connected on base 1, media Containers 2 top is connected with media Containers lid 15, media Containers 2 circumference is furnished with lubricant medium import and outlet, media Containers 2 inside is provided with bearing frame 4, the lower end of bearing frame 4 is connected with base 1 by the first angular contact ball bearing 3, the upper end of bearing frame 4 is connected with bearing frame end cap 18, bearing frame end cap 18 is connected with media Containers lid bearing seat 16 by the second angular contact bearing 14, media Containers lid bearing seat 16 is connected with media Containers lid 15, the projecting shaft of torque sensor 17 is connected with media Containers lid bearing seat 16 and bearing frame end cap 18 respectively,
Bearing frame end cap 18 bottom is connected with bottom hydraulic cylinder 19, the piston rod end of hydraulic cylinder 19 connects into higher pair with upper supporting disk 20 top and contacts, upper supporting disk 20 bottom is connected with balanced thrust force bearing assembly 12, pressure transducer 21 is installed in balanced thrust force bearing assembly 12, balanced thrust force bearing assembly 12 is coordinated by the gathering sill on the second spacer pin 13 and bearing frame 4, the tiling of balanced thrust force bearing assembly 12 coordinates with the upper surface of the thrust disc 22 be connected on motor shaft 25, the lower surface of thrust disc 22 coordinates with the tiling of test thrust bearing assembly 9, test thrust bearing assembly 9 is coordinated by the gathering sill on the first spacer pin 8 and bearing frame 4, test thrust bearing assembly 9 is connected with the lower carrier 7 be connected on motor shaft 25, lower carrier 7 is connected with bearing frame 4 by orienting sleeve 6, lower carrier 7 lower surface is connected with disk spring assembly 23, orienting sleeve 6 is inner guides of disk spring assembly 23, motor shaft 25 is through base 1.
Described motor shaft 25 is connected with male splines cover 11, and male splines cover 11 is connected by the female spline of spline with thrust disc 22; Motor shaft 25 outside below male splines cover 11 is provided with thin axle sleeve 10 and axle sleeve 5, and axle sleeve 5 upper end and thin axle sleeve 10 weld together, and axle sleeve 5 lower end is connected with base 1, and the outside of axle sleeve 5 is connected with orienting sleeve 6, and the outside of thin axle sleeve 10 is connected with lower carrier 7.
Advantage of the present utility model:
Designed by bearing frame 4, the axial load acted on test thrust bearing assembly 9 and balance thrust bearing assembly 12 is constituted force-closed system.The angular contact ball bearing of support bearing frame 4 all bears permanent load under any operating mode, then the moment of friction of angular contact ball bearing under different tests operating mode is easy to demarcate on pretreatment as systematic error, thus reduces the secondary rubbing characteristics measuring error of test thrust bearing to the full extent; Motor shaft 25 outer design cofferdam can prevent the lubricant medium in media Containers from leaking into motor internal; Lower carrier 7 and orienting sleeve 6 are connected, and in conjunction with disk spring assembly 23, make balanced thrust force bearing assembly 12, thrust disc 22, test thrust bearing assembly 9 can move vertically, realizable force self-equilibrating; The pressure transducer 21 that balanced thrust force bearing assembly 12 is installed, can the Accurate Determining single tile fragment load of bearing, and can calculate the friction factor that single tiling produces accordingly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model test unit.
Fig. 2 is close-up schematic view of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
See figures.1.and.2, a kind of force self-balanced formula Thrust Bearing Test Rig structure, comprise base 1, media Containers 2 is threaded connection and is fixed on base 1, media Containers 2 top and media Containers lid 15 are threaded connection, media Containers 2 circumference is furnished with lubricant medium import and outlet, media Containers 2 inside is provided with bearing frame 4, the lower end of bearing frame 4 is connected with base 1 by the first angular contact ball bearing 3, upper end and the bearing frame end cap 18 of bearing frame 4 are threaded connection, bearing frame end cap 18 is connected with media Containers lid bearing seat 16 by the second angular contact bearing 14, media Containers lid bearing seat 16 and media Containers lid 15 are threaded connection, the projecting shaft of torque sensor 17 is connected with the endoporus of media Containers lid bearing seat 16 and bearing frame end cap 18 respectively,
Bearing frame end cap 18 bottom is connected with hydraulic cylinder 19 by screw thread, testing table loads and is realized by hydraulic cylinder 19, the piston rod end of hydraulic cylinder 19 connects into higher pair with upper supporting disk 20 top and contacts, ensure the homogeneity loaded, upper supporting disk 20 bottom is connected with balanced thrust force bearing assembly 12, pressure transducer 21 is installed in balanced thrust force bearing assembly 12, balanced thrust force bearing assembly 12 is coordinated by the gathering sill on the second spacer pin 13 and bearing frame 4, the tiling of balanced thrust force bearing assembly 12 coordinates with the upper surface of the thrust disc 22 be connected on motor shaft 25, the lower surface of thrust disc 22 coordinates with the tiling of test thrust bearing assembly 9, test thrust bearing assembly 9 is coordinated by the gathering sill on the first spacer pin 8 and bearing frame 4, realize the transmission of moment of friction and ensure that two cover thrust bearing assemblies deflection do not occur, test thrust bearing assembly 9 is connected with the lower carrier 7 be connected on motor shaft 25, lower carrier 7 is connected with bearing frame 4 by orienting sleeve 6, lower carrier 7 lower surface is connected with disk spring assembly 23, disk spring assembly installs disk spring washer 24 23 times, orienting sleeve 6 is inner guides of disk spring assembly 23, motor shaft 25 is through base 1, the axial float of test thrust bearing assembly 9 and balance thrust bearing assembly 12 is realized by disk spring assembly 23,
Described motor shaft 25 is connected with male splines cover 11, and male splines cover 11 is connected by the female spline of spline with thrust disc 22, drives thrust disc 22 to rotate; Motor shaft 25 outside below male splines cover 11 is provided with thin axle sleeve 10 and axle sleeve 5, axle sleeve 5 upper end and thin axle sleeve 10 weld together, axle sleeve 5 lower end and base 1 are threaded connection, the outside of axle sleeve 5 is connected with orienting sleeve 6, the outside of thin axle sleeve 10 is connected with lower carrier 7, axle sleeve 5 and thin axle sleeve 10 form cofferdam outside motor shaft 25, prevent lubricant medium from entering motor.
Principle of work of the present utility model:
Media Containers 2 provides the environment of fluid lubrication for testing bearing, test thrust bearing assembly 9 and balance thrust bearing assembly 12 are arranged in bearing frame 4 back-to-back, share two end faces up and down of thrust disc 22, hydraulic cylinder piston head promotes upper supporting disk 20 by higher pair, give test thrust bearing assembly 9 and balance thrust bearing assembly 12 imposed load, motor shaft 25 drives thrust disc 22 to rotate by male splines, thrust disc 22 upper and lower end face respectively with balanced thrust force bearing assembly 12 and the bearing shell tiling relative sliding testing thrust bearing assembly 9; Thrust disc 22 end face and bearing shell tiling friction force motoring ring test thrust bearing assembly 9 and balance thrust bearing assembly 12 and rotate, rotation is passed to bearing frame 4 by test thrust bearing assembly 9 and the spacer pin balanced on thrust bearing assembly 12, the torque sensor 17 be connected on bearing frame end cap 18 records moment that the friction force between thrust disc 22 end face and bearing shell tiling produces and supports Frictional Moment for Rolling Bearings (this moment is irrelevant as systematic error and operating load, can aftertreatment removal).The axial float of test thrust bearing assembly 9 and balance thrust bearing assembly 12 is realized by disk spring assembly 23.
Pressure transducer 21 in balanced thrust force bearing assembly 12 can record single watt of load, the friction force that upper lower thrust-bearing produces respectively can be known by the ratio of the gross load of the load that records and applying, and then the change in friction force calculated in thrust bearing start-up course, analyze the rubbing characteristics under the different operating mode of thrust bearing.
Claims (2)
1. a force self-balanced formula Thrust Bearing Test Rig structure, comprise base (1), media Containers (2) is connected on base (1), media Containers (2) top is connected with media Containers lid (15), media Containers (2) circumference is furnished with lubricant medium import and outlet, it is characterized in that: media Containers (2) inside is provided with bearing frame (4), the lower end of bearing frame (4) is connected with base (1) by the first angular contact ball bearing (3), the upper end of bearing frame (4) is connected with bearing frame end cap (18), bearing frame end cap (18) is connected with media Containers lid bearing seat (16) by the second angular contact bearing (14), media Containers lid bearing seat (16) is connected with media Containers lid (15), the projecting shaft of torque sensor (17) is connected with media Containers lid bearing seat (16) and bearing frame end cap (18) respectively,
Bearing frame end cap (18) bottom is connected with hydraulic cylinder (19) bottom, the piston rod end of hydraulic cylinder (19) connects into higher pair contact with upper supporting disk (20) top, upper supporting disk (20) bottom is connected with balanced thrust force bearing assembly (12), pressure transducer (21) is installed in balanced thrust force bearing assembly (12), balanced thrust force bearing assembly (12) is coordinated by the gathering sill on the second spacer pin (13) and bearing frame (4), the tiling of balanced thrust force bearing assembly (12) coordinates with the upper surface of the thrust disc (22) be connected on motor shaft (25), the lower surface of thrust disc (22) coordinates with the tiling of test thrust bearing assembly (9), test thrust bearing assembly (9) is coordinated by the gathering sill on the first spacer pin (8) and bearing frame (4), test thrust bearing assembly (9) is connected with the lower carrier (7) be connected on motor shaft (25), lower carrier (7) is connected with bearing frame (4) by orienting sleeve (6), lower carrier (7) lower surface is connected with disk spring assembly (23), orienting sleeve (6) is the inner guide of disk spring assembly (23), motor shaft (25) is through base (1).
2. one according to claim 1 force self-balanced formula Thrust Bearing Test Rig structure, it is characterized in that: described motor shaft (25) is connected with male splines cover (11), male splines cover (11) is connected by the female spline of spline with thrust disc (22); Motor shaft (25) outside of male splines cover (11) below is provided with thin axle sleeve (10) and axle sleeve (5), axle sleeve (5) upper end and thin axle sleeve (10) weld together, axle sleeve (5) lower end is connected with base (1), the outside of axle sleeve (5) is connected with orienting sleeve (6), and the outside of thin axle sleeve (10) is connected with lower carrier (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325716.9U CN204903163U (en) | 2015-05-19 | 2015-05-19 | Power self -balancing thrust bearing test bench structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325716.9U CN204903163U (en) | 2015-05-19 | 2015-05-19 | Power self -balancing thrust bearing test bench structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903163U true CN204903163U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325716.9U Withdrawn - After Issue CN204903163U (en) | 2015-05-19 | 2015-05-19 | Power self -balancing thrust bearing test bench structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807641A (en) * | 2015-05-19 | 2015-07-29 | 清华大学 | Self-force balancing thrust bearing test board |
| CN105823635A (en) * | 2016-05-17 | 2016-08-03 | 慈兴集团有限公司 | Bearing rotation torque test device |
| CN107860580A (en) * | 2017-12-26 | 2018-03-30 | 瓦房店轴承集团有限责任公司 | Wind power bearing permeability experimental bench |
| CN109855867A (en) * | 2017-11-30 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of loading device of integrated axial load load and spin load load |
| CN109855868A (en) * | 2017-11-30 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of bearing axial rigidity dynamic testing method and test equipment |
| CN114112395A (en) * | 2021-12-21 | 2022-03-01 | 上海交通大学 | Multi-working-condition vibration-damping loading thrust sliding bearing test bed |
-
2015
- 2015-05-19 CN CN201520325716.9U patent/CN204903163U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807641A (en) * | 2015-05-19 | 2015-07-29 | 清华大学 | Self-force balancing thrust bearing test board |
| CN104807641B (en) * | 2015-05-19 | 2017-03-29 | 清华大学 | A kind of force self-balanced formula Thrust Bearing Test Rig |
| CN105823635A (en) * | 2016-05-17 | 2016-08-03 | 慈兴集团有限公司 | Bearing rotation torque test device |
| CN109855867A (en) * | 2017-11-30 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of loading device of integrated axial load load and spin load load |
| CN109855868A (en) * | 2017-11-30 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of bearing axial rigidity dynamic testing method and test equipment |
| CN109855868B (en) * | 2017-11-30 | 2021-01-22 | 洛阳轴承研究所有限公司 | Dynamic test method and test equipment for axial stiffness of bearing |
| CN109855867B (en) * | 2017-11-30 | 2021-01-22 | 洛阳轴承研究所有限公司 | Loading device integrating axial load loading and rotary load loading |
| CN107860580A (en) * | 2017-12-26 | 2018-03-30 | 瓦房店轴承集团有限责任公司 | Wind power bearing permeability experimental bench |
| CN114112395A (en) * | 2021-12-21 | 2022-03-01 | 上海交通大学 | Multi-working-condition vibration-damping loading thrust sliding bearing test bed |
| CN114112395B (en) * | 2021-12-21 | 2023-03-31 | 上海交通大学 | Multi-working-condition vibration-damping loading thrust sliding bearing test bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20170329 |