CN108120600A - The bearing test device for applying radially alternating load based on toggle - Google Patents
The bearing test device for applying radially alternating load based on toggle Download PDFInfo
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- CN108120600A CN108120600A CN201711457023.5A CN201711457023A CN108120600A CN 108120600 A CN108120600 A CN 108120600A CN 201711457023 A CN201711457023 A CN 201711457023A CN 108120600 A CN108120600 A CN 108120600A
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- Prior art keywords
- bearing
- toggle
- alternating load
- test device
- radially alternating
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to the bearing test device for applying radially alternating load based on toggle, including：Computer, the computer is connected with driving motor, the output shaft of driving motor passes through shaft coupling and rotation axis connection, it rotates outer shaft sleeve and is equipped with detected bearing, the bearing is sliding 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, loading component includes electric rotating machine, the toggle being connected with electric rotating machine, the spring that is connected with toggle 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 toggle
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 occupy 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, 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.
The content of the invention
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 crank connecting link
The bearing test device for applying radially alternating load of mechanism.
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 toggle, including：
Computer,
The computer is connected with driving motor, and the output shaft of the driving motor by shaft coupling and rotates 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 toggle being connected with electric rotating machine, the spring being connected with toggle and to be connected to spring another
The bindiny mechanism of one end；
The toggle includes
Connecting rod：One end is connected with spring, and the other end sets a translot,
Boss：Active card is embedded in the translot in a manner of horizontally slipping,
Crank：For round turntable, it is set on the output shaft of electric rotating machine.
The connecting rod is T-shaped structure.
The both ends of the translot are semicircular structure.
The boss is cylindrical-shaped structure.
The bindiny mechanism is connected 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, connects one group of loading unit respectively
Part.
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 rotation axis, positioned at the outside of detected bearing.
The radially alternating load load-on module is connected with oil supply system, which is connected with Computer signal.
The temperature sensor is connected with Computer signal.
Torquemeter is also arranged in the rotation axis, which is connected 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 toggle by the rotation of electric rotating machine
Movement 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
It will can apply of different sizes, direction-agile active force on floating holder surface.By being added in floating holder different zones
Multiple electric rotating machine-toggle-spring units can realize the loading of the radially alternating load of bearing.Computer passes through confession
Oily device control shaft holds the oil mass supply in operation process.Torquemeter and temperature sensor can be used for detecting bearing operation process
In performance.
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 the radially alternating load load-on module of the present invention；
Fig. 3 is the structure diagram of toggle.
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 rotation axis, 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 toggle A, and 19 be spring A, and 20 be attachment device A, and 21 be electric rotating machine B, and 22 be crank connecting link
Mechanism B, 23 be spring B, and 24 be attachment device B, and 25 be attachment device C, and 26 be spring C, and 27 be toggle C, and 28 are
Electric rotating machine C, 29 be attachment device D, and 30 be spring D, and 31 be toggle D, and 32 be electric rotating machine D, and 33 be connecting rod, 34
It is boss for translot, 35,36 be crank.
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 toggle, as shown in Figure 1, the dress
It puts including computer 1, driving motor 2, shaft coupling 3, torquemeter 4, stationary fixture A 5, oil supply system 6, radially alternating load adds
Load module 7, floating holder 8, stationary fixture B 9, rotation axis 10 accompany examination bearing B11, subject bearing B 12, subject bearing A 13,
Accompany examination bearing A 14, workbench 15.Wherein, as shown in Fig. 2, radially alternating load load-on module 7 includes temperature sensor 16,
Electric rotating machine A 17, toggle A 18, spring A 19, attachment device A 20, electric rotating machine B 21, toggle
B 22, spring B 23, attachment device B 24, attachment device C 25, spring C 26, toggle C 27, electric rotating machine C
28, attachment device D 29, spring D 30, toggle 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 rotation axis 10, and rotation axis 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 rotation axis 10.
In radially alternating load load-on module 7, installation can symmetrically be loaded there are four component on four direction.
Electric rotating machine A 17 converts rotational motion into linear motion by toggle A 18, and control spring A 19 is drawn
/ compressive deformation is stretched, spring A 19 is connected by attachment device A 20 with floating holder 8, applies bearing loading force.Similar, rotation
Rotating motor B 21 converts rotational motion into linear motion by toggle B 22, and control spring B 23 occurs to stretch/
Compressive deformation, spring B 23 are connected by attachment device B 24 with floating holder 8, apply bearing loading force；Electric rotating machine C 28
Linear motion is converted rotational motion by toggle C 27, stretching/compressing deformation, bullet occur for control spring C 26
Spring C 26 is connected by attachment device C 25 with floating holder 8, applies bearing loading force；Electric rotating machine D 32 passes through crank connecting link
Mechanism D 31 converts rotational motion into linear motion, and stretching/compressing deformation occurs for control spring D 30, and spring D 30 passes through company
Connection device D 29 is connected with floating holder 8, applies bearing loading force.
The structure of four toggles used is roughly the same, as shown in figure 3, including the connecting rod for T-shaped structure
33, one end is connected with spring, and the other end sets a translot 34, and the both ends of translot 34 are semicircular structure, with the side to horizontally slip
Boss 35 of the formula active card in translot 34, the boss 35 used are cylindrical-shaped structure, and the crank 36 of round turntable structure covers
It is located on the output shaft of electric rotating machine.
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 gathered, 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 (10)
1. the bearing test device for applying radially alternating load based on toggle, which is characterized in that including：
Computer,
The computer is connected with driving motor, and the output shaft of the driving motor by shaft coupling and rotates 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 toggle being connected with electric rotating machine, the spring being connected with toggle and it is connected to the spring other end
Bindiny mechanism；
The toggle includes
Connecting rod：One end is connected with spring, and the other end sets a translot,
Boss：Active card is embedded in the translot in a manner of horizontally slipping,
Crank：For round turntable, it is set on the output shaft of electric rotating machine.
2. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, the connecting rod is T-shaped structure.
3. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, the both ends of the translot are semicircular structure.
4. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, the boss is cylindrical-shaped structure.
5. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, the bindiny mechanism is connected 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, connects one group respectively and adds
Carry component.
6. the bearing test device according to claim 5 that apply radially alternating load based on toggle,
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.
7. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, described accompanies examination bearing to be set in rotation axis, positioned at the outside of detected bearing.
8. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
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.
9. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, the temperature sensor is connected with Computer signal.
10. the bearing test device according to claim 1 that apply radially alternating load based on toggle,
It is characterized in that, being also arranged with torquemeter in the rotation axis, which is connected with Computer signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457023.5A CN108120600A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for applying radially alternating load based on toggle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457023.5A CN108120600A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for applying radially alternating load based on toggle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120600A true CN108120600A (en) | 2018-06-05 |
Family
ID=62232115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711457023.5A Withdrawn CN108120600A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for applying radially alternating load based on toggle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108120600A (en) |
-
2017
- 2017-12-28 CN CN201711457023.5A patent/CN108120600A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180605 |
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