CN108036947A - A kind of bearing test device for applying radially alternating load - Google Patents
A kind of bearing test device for applying radially alternating load Download PDFInfo
- Publication number
- CN108036947A CN108036947A CN201711458349.XA CN201711458349A CN108036947A CN 108036947 A CN108036947 A CN 108036947A CN 201711458349 A CN201711458349 A CN 201711458349A CN 108036947 A CN108036947 A CN 108036947A
- Authority
- CN
- China
- Prior art keywords
- bearing
- load
- linear motor
- test device
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of bearing test device for applying radially alternating load, including computer, electric rotating machine, rotation axis, alternate load load-on module, accompany examination bearing, electric rotating machine is controlled through computer, the output shaft of electric rotating machine is through shaft coupling and rotation axis connection, tested sliding bearing is arranged with rotation axis, sliding bearing is arranged with floating holder, examination bearing is accompanied to be arranged on the left and right sides of sliding bearing, accompany and be provided with stationary fixture on the outside of examination bearing support is fixed, alternate load load-on module is arranged on floating holder, by symmetrical four groups of components are formed two-by-two on four direction, the component includes linear motor, spring, attachment device.Compared with prior art, the present invention can realize bearing in four direction, the loading of the alternate load of two radial directions.
Description
Technical field
The present invention relates to a kind of load test device, more particularly, to a kind of bearing test for applying radially alternating load
Device.
Background technology
Internal combustion engine is widely used in automobile, ship, aircraft, tank, railway locomotive, agricultural machinery, engineering machinery, power generation
Multiple industries such as unit, it occupies very important status as power-equipment in national economy.Include work in internal combustion engine
Plug-cylinder sleeve, piston ring-cylinder liner, bent axle-bearing and cam-tappet etc. are several to important friction pair, wherein, crankshaft bearing, including
Base bearing and the connecting-rod bearing (since the size and Orientation of such bearing working load all changes over time, are thus generically referred to as moving
Load bearings), it is one of the most key friction pair of internal combustion engine, it not only influences the reliability of internal combustion engine and durable
Property, also affect the potentiality that internal combustion engine is further strengthened.
The performance and its reliability of bearing are the most important performance indicators of bearing, but due to influencing bearing performance factor too
More, it is a kind of effective way to carry out bearing test.Bearing test is essential and basic important in design bearing and manufacturing process
Verification process.The important parameter that the loading load of test bearing is tested as bearing tester, its accuracy directly affect bearing
Result of the test.Bearing test device loading characteristic traditional at present is single, it is impossible to realize the loading of more varying loads, and it is true interior
Dynamic load bearing is often in alternate load in combustion engine, therefore traditional bearing test device is difficult the examination for carrying out engine dynamic load bearing
Test.
The content of the invention
Radially handed over it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind can apply
The bearing test device of varying load.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of bearing test device for applying radially alternating load, including computer, electric rotating machine, rotation axis, alternation
Load load-on module, accompany examination bearing,
The electric rotating machine is controlled through computer, and the output shaft of electric rotating machine through shaft coupling and rotates axis connection,
Tested sliding bearing is arranged with the rotation axis, sliding bearing is arranged with floating holder,
The described left and right sides for accompanying examination bearing to be arranged on sliding bearing, accompany be provided with the outside of examination bearing stationary fixture into
The fixed support of row,
The alternate load load-on module is arranged on floating holder, by symmetrical four groups of components two-by-two on four direction
Form, which includes linear motor, spring, attachment device, and the output shaft of the linear motor is connected with spring, spring
The other end is connected with attachment device, which is connected with floating holder, and the bottom of linear motor is equipped with supporting rack fixed bit
Put.
The bottom of the output shaft of the linear motor is additionally provided with connector, is connected by the connector with spring.
The upper surface of the connector opens up fluted, and the output shaft of linear motor is fastened in groove, connector
Lower surface is equipped with hook, is connected with spring.
Also connected between four supporting racks by connection framework.
Protection sleeve is also arranged with the output shaft of the linear motor.
The sliding bearing is equipped with temperature sensor.
The alternate load load-on module is connected with the oil supply system through computer drive control.
The torquemeter through computer drive control is also arranged with the rotation axis.
Computer controls the rotation of electric rotating machine, it is possible to achieve sliding bearing is with given rotation speed operation.Radially alternating
In load load-on module, the change of linear motor displacement is controlled by computer, and the change of linear motor displacement can
To influence the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can be on floating holder surface
Apply of different sizes, direction-agile active force.By adding multiple linear motor-spring units in floating holder different zones
It can realize the loading of the radially alternating load of bearing.Computer controls the oil mass in sliding bearing operation process by fueller
Supply.Torquemeter and temperature sensor can be used for detecting the performance in sliding bearing operation process.
Compared with prior art, the present invention has the following advantages：
1st, the displacement of linear motor is controlled by computer, and then changes compression/amount of tension of spring, controls spring
Elastic force, it is possible to achieve bearing is in four direction, the loading of the alternate load of two radial directions.
2nd, with reference to the real working condition condition of internal combustion engine, the displacement and the change of time of linear motor are controlled by computer
Amount, it is possible to achieve the loading of internal combustion engine real working condition load.Contribute to carry out the examination of engine dynamic load bearing using the experimental rig
Test.
3rd, by setting supporting rack under linear motor and being connected with each other four supporting racks, linear motor is further controlled
Position on horizontal and vertical direction, loading position are more accurate.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of the radially alternating load load-on module of the present invention.
In figure：1 is computer, and 2 be electric rotating machine, and 3 be shaft coupling, and 4 be torquemeter, and 5 be stationary fixture A, and 6 fill for fuel feeding
Put, 7 be radially alternating load load-on module, and 8 be floating holder, and 9 be stationary fixture B, and 10 be rotation axis, and 11 be to accompany examination sliding axle
B is held, 12 be subject sliding bearing B, and 13 be subject sliding bearing A, and 14 is accompany examination sliding bearing A, and 15 be workbench, and 16 be temperature
Sensor is spent, 17 be linear motor A, and 18 be attachment device Aa, and 19 be spring A, and 20 be attachment device Ab, and 21 be linear motor B,
22 be attachment device Ba, and 23 be spring B, and 24 be attachment device Bb, and 25 be attachment device Cb, and 26 be spring C, and 27 be attachment device
Ca, 28 be linear motor C, and 29 be attachment device Db, and 30 be spring D, and 31 be attachment device Da, and 32 be linear motor D.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiments will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
A kind of bearing test device for applying radially alternating load, as shown in Figure 1, the device includes computer 1, rotation
Motor 2, shaft coupling 3, torquemeter 4, stationary fixture A 5, oil supply system 6, radially alternating load load-on module 7, floating holder 8,
Stationary fixture B 9, rotation axis 10, accompanies examination sliding bearing B 11, subject sliding bearing B 12, subject sliding bearing A 13, accompanies examination
Sliding bearing A 14, workbench 15.Wherein, as shown in Fig. 2, radially alternating load load-on module 7 includes temperature sensor 16,
Linear motor A 17, attachment device Aa 18, spring A 19, attachment device Ab 20, linear motor B 21, attachment device Ba 22,
Spring B 23, attachment device Bb 24, attachment device Cb 25, spring C 26, attachment device Ca 27, linear motor C 28, connection
Device Db 29, spring D 30, attachment device Da 31, linear motor D 32.
Wherein, electric rotating machine 2, torquemeter 4, stationary fixture A 5 and stationary fixture B 9 are installed on workbench 15.Rotation
Motor 2 is connected by shaft coupling 3 with rotation axis 10, rotation axis 10 is rotated.Accompany examination sliding bearing A 14 to be installed on to fix
Inside fixture A 5, examination sliding bearing B 11 is accompanied to be installed on inside stationary fixture B 9.And it is tested sliding bearing A 13 and is slided with subject
Dynamic bearing B 14 is installed on inside floating holder 8.Examination sliding bearing A 14 is accompanied with accompanying examination sliding bearing B 11 to play support rotation
The effect of axis 10.
In radially alternating load load-on module 7, four components are installed.The output shaft of linear motor A 17 passes through connection
Device Aa 18 controls spring A 19 that stretching/compressing deformation occurs, and spring A 19 passes through attachment device Ab 20 and 8 phase of floating holder
Even, bearing loading force is applied.Similar, the output shaft of linear motor B 21 controls spring B 23 to send out by attachment device Ba 22
Raw stretching/compressing deformation, spring B 23 are connected by attachment device Bb 24 with floating holder 8, apply bearing loading force；Straight line
The output shaft of motor C 28 controls spring C 26 that stretching/compressing deformation occurs by attachment device Ca 27, and spring C 26 passes through company
Connection device Cb 25 is connected with floating holder 8, applies bearing loading force；The output shaft of linear motor D 32 passes through attachment device Da
Stretching/compressing deformation occurs for 31 control spring D 30, and spring D 30 is connected by attachment device Db 29 with floating holder 8, is applied
Bearing loading force.
Attachment device Aa 18, attachment device Ba 22, the structure of attachment device Ca 27 and attachment device Da 31 are identical,
Upper surface opens up fluted, and the output shaft of linear motor is fastened in groove, and lower surface is equipped with hook, with spring A 19, spring B
22nd, spring C 26 and spring D 30 are connected.
Computer 1 and electric rotating machine 2, fueller 6, linear motor A 17, linear motor B 21, linear motor C 28 with
And linear motor D 32 is connected.Computer 1 controls electric rotating machine 2 to rotate, and realizes sliding bearing with given rotation speed operation.Together
When, the control fueller 6 of computer 1 realizes the fuel feeding of sliding bearing.Linear motor A 17, linear motor B 21, linear motor C
28 are also controlled with the operation of linear motor D 32 by computer.In addition, torquemeter 4 and temperature sensor 16 also with computer 1
It is connected, the signal in sliding bearing operation process can be gathered, monitor the operational situation of sliding bearing.
Embodiment 2
A kind of bearing test device for applying radially alternating load, its structure is roughly the same with embodiment 1, difference
It is, protection sleeve is arranged with the output shaft of four linear motors of the present embodiment, so as to improves mechanical strength and safety
Performance.
Embodiment 3
A kind of bearing test device for applying radially alternating load, its structure is roughly the same with embodiment 1, difference
It is, the linear motor bottom of four is equipped with supporting rack fixed position, and also connects between four supporting racks by connection framework
Connect, further control position of the linear motor on horizontal and vertical direction, loading position is more accurate.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of bearing test device for applying radially alternating load, it is characterised in that including computer, electric rotating machine, rotation
Shaft, alternate load load-on module, accompany examination bearing,
The electric rotating machine is controlled through computer, and the output shaft of electric rotating machine through shaft coupling and rotates axis connection,
Tested sliding bearing is arranged with the rotation axis, sliding bearing is arranged with floating holder,
The described left and right sides for accompanying examination bearing to be arranged on sliding bearing, accompanies and is provided with stationary fixture on the outside of examination bearing and is consolidated
Fixed support,
The alternate load load-on module is arranged on floating holder, by symmetrical four groups of component structures two-by-two on four direction
Include linear motor, spring, attachment device into, the component, the output shaft of the linear motor is connected with spring, spring it is another
One end is connected with attachment device, which is connected with floating holder, and the bottom of linear motor is equipped with supporting rack fixed position.
2. a kind of bearing test device for applying radially alternating load according to claim 1, it is characterised in that described
The bottom of output shaft of linear motor be additionally provided with connector, be connected by the connector with spring.
3. a kind of bearing test device for applying radially alternating load according to claim 2, it is characterised in that described
The upper surface of connector open up fluted, the output shaft of linear motor is fastened in groove, and the lower surface of connector, which is equipped with, to hang
Hook, is connected with spring.
4. a kind of bearing test device for applying radially alternating load according to claim 2, it is characterised in that four
Also connected between supporting rack by connection framework.
5. a kind of bearing test device for applying radially alternating load according to claim 1, it is characterised in that described
Linear motor output shaft on be also arranged with protection sleeve.
6. a kind of bearing test device for applying radially alternating load according to claim 1, it is characterised in that described
Sliding bearing be equipped with temperature sensor.
7. a kind of bearing test device for applying radially alternating load according to claim 1, it is characterised in that described
Alternate load load-on module be connected with the oil supply system through computer drive control.
8. a kind of bearing test device for applying radially alternating load according to claim 1, it is characterised in that described
Rotation axis on be also arranged with the torquemeter through computer drive control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458349.XA CN108036947A (en) | 2017-12-28 | 2017-12-28 | A kind of bearing test device for applying radially alternating load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458349.XA CN108036947A (en) | 2017-12-28 | 2017-12-28 | A kind of bearing test device for applying radially alternating load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036947A true CN108036947A (en) | 2018-05-15 |
Family
ID=62098215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458349.XA Withdrawn CN108036947A (en) | 2017-12-28 | 2017-12-28 | A kind of bearing test device for applying radially alternating load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036947A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398367A (en) * | 2019-07-03 | 2019-11-01 | 国电科学技术研究院有限公司 | For measuring the measuring device of sliding bearing coefficient of dynamics |
| CN110927055A (en) * | 2019-12-25 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Device and method for measuring friction coefficient between inner ring and outer ring of bearing |
-
2017
- 2017-12-28 CN CN201711458349.XA patent/CN108036947A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398367A (en) * | 2019-07-03 | 2019-11-01 | 国电科学技术研究院有限公司 | For measuring the measuring device of sliding bearing coefficient of dynamics |
| CN110398367B (en) * | 2019-07-03 | 2021-06-11 | 国家能源集团科学技术研究院有限公司 | Measuring device for measuring dynamic coefficient of sliding bearing |
| CN110927055A (en) * | 2019-12-25 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Device and method for measuring friction coefficient between inner ring and outer ring of bearing |
| CN110927055B (en) * | 2019-12-25 | 2022-04-19 | 中国航空工业集团公司西安飞机设计研究所 | Device and method for measuring friction coefficient between inner ring and outer ring of bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102564764B (en) | Aircraft engine spindle bearing testing machine | |
| CN110542556A (en) | Tilting pad sliding bearing test box, test bench and test method | |
| CN207866523U (en) | The rolling bearing fatigue life of crank connecting link transmission load alternating load tests system | |
| CN108036947A (en) | A kind of bearing test device for applying radially alternating load | |
| CN108051210A (en) | Lead screw transmission loads the rolling bearing fatigue life experimental rig of alternating load | |
| CN208091696U (en) | The rolling bearing fatigue life pilot system of radially alternating load can be applied | |
| CN202886099U (en) | Aeroengine main shaft bearing testing machine | |
| CN108051207A (en) | The bearing test device for applying radially alternating load based on lead screw transmission mechanism | |
| CN108254184A (en) | The bearing test device for applying radially alternating load based on rack pinion | |
| CN207866503U (en) | A kind of bearing test device applying radially alternating load | |
| CN108254189A (en) | The bearing test device for loading alternating load based on toggle | |
| CN108279123A (en) | The bearing test device for loading alternating load based on rack and pinion drive mechanism | |
| CN108051206A (en) | The bearing test device of the radially alternating load of application based on synchronous belt drive mechanism | |
| CN108168888A (en) | A kind of bearing test device for loading alternating load | |
| CN208091695U (en) | Lead screw transmission loads the rolling bearing fatigue life experimental rig of radially alternating load | |
| CN207866496U (en) | The bearing test device of the radially alternating load of application based on synchronous belt drive mechanism | |
| CN207866508U (en) | The bearing test device for loading alternating load based on rack and pinion drive mechanism | |
| CN207866516U (en) | A kind of bearing test device loading alternating load | |
| CN207866497U (en) | The bearing test device for applying radially alternating load based on toggle | |
| CN207866521U (en) | The rolling bearing fatigue life that rack pinion loads alternating load tests system | |
| CN207866524U (en) | A kind of bearing tester type alternating load loading device based on lead screw transmission mechanism | |
| CN207866522U (en) | The bearing test device for applying radially alternating load based on rack pinion | |
| CN208283065U (en) | The bearing test device for applying radially alternating load based on lead screw transmission mechanism | |
| CN207866500U (en) | The rolling bearing fatigue life pilot system of alternating load can be loaded | |
| CN106706319A (en) | Cylinder roller bearing birotor testing machine shafting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180515 |