CN108254184A - The bearing test device for applying radially alternating load based on rack pinion - Google Patents
The bearing test device for applying radially alternating load based on rack pinion Download PDFInfo
- Publication number
- CN108254184A CN108254184A CN201711456447.XA CN201711456447A CN108254184A CN 108254184 A CN108254184 A CN 108254184A CN 201711456447 A CN201711456447 A CN 201711456447A CN 108254184 A CN108254184 A CN 108254184A
- Authority
- CN
- China
- Prior art keywords
- bearing
- rack
- alternating load
- radially alternating
- test device
- 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- Withdrawn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
Abstract
The present invention relates to the bearing test devices for applying radially alternating load based on rack pinion, including computer, the driving motor being connect with computer, the output shaft of the driving motor passes through shaft coupling and rotation axis connection, it rotates outer shaft sleeve and is equipped with detected bearing, the radially alternating load load-on module being arranged on detected bearing, including the temperature sensor being arranged on detected bearing and it is arranged on the outside of detected bearing, the symmetrical loading component on four direction, the loading component includes electric rotating machine, the rack and pinion drive mechanism being connect with electric rotating machine, the spring that is connect with rack and pinion drive mechanism and the bindiny mechanism for being connected to the spring other end.Compared with prior art, the present invention can realize bearing in four direction, the loading of the alternating load of two radial directions.
Description
Technical field
The present invention relates to a kind of bearing test device, more particularly, to a kind of applying radially based on rack pinion
The bearing test device of alternating load.
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, play a very important role 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, 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 changeable load, and it is true interior
Dynamic load bearing is often in alternating load, therefore traditional bearing test device is difficult the examination for carrying out engine dynamic load bearing in combustion engine
It tests.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind is based on rack-and-pinion
The bearing test device for applying radially alternating load of transmission.
The purpose of the present invention can be achieved through the following technical solutions：
The bearing test device for applying radially alternating load based on rack pinion, including
Computer,
The driving motor being connect with computer, the output shaft of the driving motor by shaft coupling and rotate axis connection,
The rotation outer shaft sleeve is equipped with detected bearing, which is sliding bearing, by bearing block, is embedded in bearing
It is formed in seat in the bearing shell in smooth inside face,
The radially alternating load load-on module being arranged on detected bearing, including the temperature being arranged on detected bearing
It sensor and is arranged on the outside of detected bearing, the symmetrical loading component on four direction, the loading component includes
Electric rotating machine, the rack and pinion drive mechanism being connect with electric rotating machine, the spring being connect with rack and pinion drive mechanism and connection
In the bindiny mechanism of the spring other end.
The rack and pinion drive mechanism includes
With the gear of the output axis connection of electric rotating machine, the back side of the gear is equipped with connection backboard,
Connection rack is engaged with gear, opens up slot tooth on the inside of the rack, bottom end is flexibly connected with spring.
The gear is spur gear.
The bindiny mechanism is connect by floating holder with detected bearing, and the floating holder is by symmetrical above and below
Two components merge to obtain, and the internal form fit with detected bearing, outside is planar structure.
Stationary fixture is additionally provided on the outside of the floating holder, is folded in the stationary fixture and accompanies examination bearing.
Described accompanies examination bearing to be set in rotary shaft, positioned at the outside of detected bearing.
The radially alternating load load-on module is connected with oil supply system, which connect with Computer signal.
Torquemeter is also arranged in the rotary shaft, which connect with Computer signal.
The temperature sensor is connect with Computer signal.
Computer controls the rotation of driving motor, and bearing can be realized with given rotation speed operation.In radially alternating load
In load-on module, the rotation of electric rotating machine is controlled by computer.By rack and pinion drive mechanism by electric rotating machine
Rotary motion is converted to linear motion, can influence the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring,
Spring will can apply of different sizes, direction-agile active force on floating holder surface.By in floating holder different zones
The loading of the radially alternating load of bearing can be realized by adding multiple electric rotating machine-rack and pinion drive mechanism-spring units, and
Stress record is carried out to tested bearing simultaneously on four direction, compared to the loading force in setting both direction, in two diameters
It can be achieved at the same time test on direction, obtain more experimental test datas.Computer is carried by fueller control shaft
Oil mass supply during turning.Torquemeter and temperature sensor can hold the performance in operation process for detection axis.
Compared with prior art, the present invention has the following advantages：
1st, the rotation angle of electric rotating machine is controlled by computer, and then changes compression/amount of tension of spring, controls spring
Elastic force, bearing can be realized in four direction, the loading of the alternating load of two radial directions.
2nd, with reference to the real working condition condition of internal combustion engine, the rotation angle of electric rotating machine and the change of time are controlled by computer
Change amount can realize the loading of internal combustion engine real working condition load.Contribute to carry out engine dynamic load bearing using the experimental rig
Experiment.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure diagram of alternating load charging assembly；
Fig. 3 is the structure diagram of rack and pinion drive mechanism.
In figure：1 is computer, and 2 be driving motor, and 3 be shaft coupling, and 4 be torquemeter, and 5 be stationary fixture A, and 6 fill for fuel feeding
It puts, 7 be radially alternating load load-on module, and 8 be floating holder, and 9 be stationary fixture B, and 10 be rotary shaft, and 11 is accompany examination bearing B,
12 be subject bearing B, and 13 be subject bearing A, and 14 is accompany examination bearing A, and 15 be workbench, and 16 be temperature sensor, and 17 be rotation
Rotating motor A, 18 be rack and pinion drive mechanism A, and 19 be spring A, and 20 be attachment device A, and 21 be electric rotating machine B, and 22 be gear
Rack gear B, 23 be spring B, and 24 be attachment device B, and 25 be attachment device C, and 26 be spring C, and 27 pass for rack-and-pinion
Motivation structure C, 28 be electric rotating machine C, and 29 be attachment device D, and 30 be spring D, and 31 be rack and pinion drive mechanism D, and 32 be rotation
Motor D 33 is spur gear, 34 be rack, 35 be connection backboard.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
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 field
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
A kind of bearing test device for applying radially alternating load based on rack and pinion drive mechanism, structure is as schemed
Shown in 1, which includes computer 1, driving motor 2, shaft coupling 3, torquemeter 4, stationary fixture A 5, oil supply system 6, radial direction
Alternating load load-on module 7, floating holder 8, stationary fixture B 9, rotary shaft 10 accompany examination bearing B 11, subject bearing B 12, quilt
Bearing A 13 is tried, accompanies examination bearing A 14, workbench 15.Wherein, as shown in Fig. 2, radially alternating load load-on module 7 includes temperature
Spend sensor 16, electric rotating machine A 17, rack and pinion drive mechanism A 18, spring A 19, attachment device A 20, electric rotating machine B
21, rack and pinion drive mechanism B 22, spring B 23, attachment device B 24, attachment device C 25, spring C 26, rack-and-pinion
Transmission mechanism C 27, electric rotating machine C 28, attachment device D 29, spring D 30, rack and pinion drive mechanism D 31, electric rotating machine
D 32。
Wherein, driving motor 2, torquemeter 4, stationary fixture A 5 and stationary fixture B 9 are mounted on workbench 15.Rotation
Motor 2 is connected by shaft coupling 3 with rotary shaft 10, and rotary shaft 10 is made to rotate.Examination bearing A 14 is accompanied to be mounted on stationary fixture A
Inside 5, examination bearing B 11 is accompanied to be mounted on inside stationary fixture B 9.And it is tested bearing A 13 and subject bearing B 14 and is mounted on work
Inside dynamic fixture 8.Examination bearing A 14 is accompanied with examination bearing B 11 is accompanied to play the role of supporting rotary shaft 10.Axis is tested in the present embodiment
B 12 is held, subject bearing A 13 is sliding bearing, by bearing block, is embedded in bearing block in the bearing shell group in smooth inside face
Into.
In radially alternating load load-on module 7, multiple components are installed, structure is as shown in Figure 2.Electric rotating machine A 17
Linear motion is converted rotational motion by rack and pinion drive mechanism A 18, stretching/compressing shape occurs for control spring A 19
Become, spring A 19 is connected by attachment device A 20 with floating holder 8, applies bearing loading force.Similar, electric rotating machine B 21
Linear motion is converted rotational motion by rack and pinion drive mechanism B 22, stretching/compressing shape occurs for control spring B 23
Become, spring B 23 is connected by attachment device B 24 with floating holder 8, applies bearing loading force；Electric rotating machine C 28 passes through tooth
Wheel rack gear C 27 converts rotational motion into linear motion, and stretching/compressing deformation, spring occur for control spring C 26
C 26 is connected by attachment device C 25 with floating holder 8, applies bearing loading force；Electric rotating machine D 32 is passed by rack-and-pinion
Motivation structure D 31 converts rotational motion into linear motion, and stretching/compressing deformation occurs for control spring D 30, and spring D 30 passes through
Attachment device D 29 is connected with floating holder 8, applies bearing loading force.
Rack and pinion drive mechanism A 18, the rack and pinion drive mechanism B used in radially alternating load load-on module 7
22nd, rack and pinion drive mechanism C 27 and 31 structures of rack and pinion drive mechanism D are also similar to, as shown in figure 3, by
Spur gear 33 engages connection rack 34 with spur gear 33 and forms, wherein the output axis connection of spur gear 33 and electric rotating machine, and
Connection backboard 35 is equipped at the back side of spur gear 33, protection and elevating mechanism intensity can be played the role of by the backboard,
34 inside of rack opens up slot tooth and rack is intermeshed with spur gear 33, and 34 bottom end of rack is flexibly connected with spring, is led to
Above structure is crossed, the rotary motion of electric rotating machine can be converted to linear motion, further controls spring that stretching/pressure occurs again
Contracting deformation.
Computer 1 and driving motor 2, fueller 6, electric rotating machine A 17, electric rotating machine B 21, electric rotating machine C 28 with
And electric rotating machine D 32 is connected.Computer 1 controls driving motor 2 to rotate, and realizes bearing with given rotation speed operation.Meanwhile it counts
Calculation machine 1 controls the fuel feeding of the realization bearing of fueller 6.Electric rotating machine A 17, electric rotating machine B 21, electric rotating machine C 28 and rotation
The operation of motor D 32 is also controlled by computer.In addition, torquemeter 4 and temperature sensor 16 are also connected with computer 1, it can
The signal during bearing operation is acquired, monitors the operational situation of bearing.
Specific embodiments of the present invention are 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. the bearing test device for applying radially alternating load based on rack pinion, which is characterized in that the experiment fills
Put including
Computer,
The driving motor being connect with computer, the output shaft of the driving motor by shaft coupling and rotate axis connection,
The rotation outer shaft sleeve is equipped with detected bearing, which is sliding bearing, by bearing block, is embedded in bearing block
It is formed in the bearing shell in smooth inside face,
The radially alternating load load-on module being arranged on detected bearing, including the temperature sensing being arranged on detected bearing
It device and is arranged on the outside of detected bearing, the symmetrical loading component on four direction, the loading component includes rotation
Motor, the rack and pinion drive mechanism being connect with electric rotating machine, the spring being connect with rack and pinion drive mechanism and it is connected to bullet
The bindiny mechanism of the spring other end；
The rack and pinion drive mechanism includes
With the gear of the output axis connection of electric rotating machine, the back side of the gear is equipped with connection backboard,
Connection rack is engaged with gear, opens up slot tooth on the inside of the rack, bottom end is flexibly connected with spring.
2. the bearing test device according to claim 1 that apply radially alternating load based on rack pinion,
It is characterized in that, the gear is spur gear.
3. the bearing test device according to claim 1 that apply radially alternating load based on rack pinion,
It is characterized in that, the bindiny mechanism is connect by floating holder with detected bearing, the floating holder is by right up and down
Two components claimed merge to obtain, and the internal form fit with detected bearing, outside is planar structure.
4. the bearing test device according to claim 3 that apply radially alternating load based on rack pinion,
It is characterized in that, being additionally provided with stationary fixture on the outside of the floating holder, it is folded in the stationary fixture and accompanies examination bearing.
5. the bearing test device according to claim 1 that apply radially alternating load based on rack pinion,
It is characterized in that, described accompanies examination bearing to be set in rotary shaft, positioned at the outside of detected bearing.
6. the bearing test device according to claim 1 that apply radially alternating load based on rack pinion,
It is characterized in that, the radially alternating load load-on module is connected with oil supply system, which connects with Computer signal
It connects.
7. the bearing test device according to claim 1 that apply radially alternating load based on rack pinion,
It is characterized in that, being also arranged with torquemeter in the rotary shaft, which connect with Computer signal.
8. the bearing test device according to claim 1 that apply radially alternating load based on rack pinion,
It is characterized in that, the temperature sensor is connect with Computer signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456447.XA CN108254184A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for applying radially alternating load based on rack pinion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456447.XA CN108254184A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for applying radially alternating load based on rack pinion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254184A true CN108254184A (en) | 2018-07-06 |
Family
ID=62724223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711456447.XA Withdrawn CN108254184A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for applying radially alternating load based on rack pinion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254184A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057700A (en) * | 2019-05-06 | 2019-07-26 | 北京工业大学 | A kind of bending/curved drawing fretting fatigue and fretting wear pilot system and test method |
| CN111122193A (en) * | 2019-12-12 | 2020-05-08 | 太原理工大学 | Dynamic loading simulation mechanism for detecting performance of force applying device |
-
2017
- 2017-12-28 CN CN201711456447.XA patent/CN108254184A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057700A (en) * | 2019-05-06 | 2019-07-26 | 北京工业大学 | A kind of bending/curved drawing fretting fatigue and fretting wear pilot system and test method |
| CN110057700B (en) * | 2019-05-06 | 2023-11-03 | 北京工业大学 | Bending torsion/bending tension fretting fatigue and fretting wear test system and test method |
| CN111122193A (en) * | 2019-12-12 | 2020-05-08 | 太原理工大学 | Dynamic loading simulation mechanism for detecting performance of force applying device |
| CN111122193B (en) * | 2019-12-12 | 2021-05-25 | 太原理工大学 | Dynamic loading simulation mechanism for detecting performance of force applying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102564764A (en) | Aircraft engine spindle bearing testing machine | |
| CN108254184A (en) | The bearing test device for applying radially alternating load based on rack pinion | |
| CN108051210A (en) | Lead screw transmission loads the rolling bearing fatigue life experimental rig of alternating load | |
| 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 | |
| CN108036947A (en) | A kind of bearing test device for applying radially alternating load | |
| CN202886099U (en) | Aeroengine main shaft bearing testing machine | |
| CN108254189A (en) | The bearing test device for loading alternating load based on toggle | |
| CN108051207A (en) | The bearing test device for applying radially alternating load based on lead screw transmission mechanism | |
| CN207866522U (en) | The bearing test device for applying radially alternating load based on rack pinion | |
| CN207866496U (en) | The bearing test device of the radially alternating load of application based on synchronous belt drive mechanism | |
| CN208091695U (en) | Lead screw transmission loads the rolling bearing fatigue life experimental rig of radially alternating load | |
| CN108168888A (en) | A kind of bearing test device for loading alternating load | |
| CN207866497U (en) | The bearing test device for applying radially alternating load based on toggle | |
| CN108181106A (en) | Based on the radially alternating load charger of the bearing tester of crank connecting link | |
| CN207866499U (en) | The bearing test device for loading alternating load based on synchronous belt drive mechanism | |
| CN108254185A (en) | Apply the rolling bearing performance experimental rig of radially alternating load based on crank connecting link | |
| 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 | |
| CN207866503U (en) | A kind of bearing test device applying radially alternating load | |
| CN207866524U (en) | A kind of bearing tester type alternating load loading device based on lead screw transmission mechanism | |
| CN207866513U (en) | The bearing test device for loading alternating load based on lead screw transmission mechanism | |
| CN207866521U (en) | The rolling bearing fatigue life that rack pinion loads alternating load tests system | |
| CN108254182A (en) | The bearing test device for loading alternating load based on synchronous belt drive mechanism | |
| CN207866518U (en) | The bearing test device for loading alternating load based on toggle |
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: 20180706 |