CN108254189A - The bearing test device for loading alternating load based on toggle - Google Patents
The bearing test device for loading alternating load based on toggle Download PDFInfo
- Publication number
- CN108254189A CN108254189A CN201711458080.5A CN201711458080A CN108254189A CN 108254189 A CN108254189 A CN 108254189A CN 201711458080 A CN201711458080 A CN 201711458080A CN 108254189 A CN108254189 A CN 108254189A
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- China
- Prior art keywords
- bearing
- toggle
- alternating load
- test device
- electric rotating
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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 loading alternating load based on toggle, 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, it is detected on bearing and is provided with alternating load charging assembly, the component by into setting symmetrical above and below electric rotating machine, the toggle being connect with electric rotating machine, the spring that is connect with the transmission mechanism and be arranged on the bindiny mechanism of spring end and form, which is connect by floating holder with detected bearing.Compared with prior art, compression/amount of tension of the invention by changing spring, controls the elastic force of spring, can realize the loading of bearing alternating load.
Description
Technical field
The present invention relates to a kind of bearing load experimental rig, more particularly, to a kind of loading 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, 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 crank connecting link
The bearing test device for loading alternating load of mechanism.
The purpose of the present invention can be achieved through the following technical solutions：
The bearing test device for loading alternating load based on toggle, 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,
Alternating load charging assembly is provided on the detected bearing, the component is by the rotation into setting symmetrical above and below
Motor, the toggle being connect with electric rotating machine, the spring being connect with the transmission mechanism and the company for being arranged on spring end
Connection mechanism forms, which is connect by floating holder with detected bearing；
The toggle is made of the two sections of connecting rods and sliding shoe being flexibly connected with electric rotating machine output shaft, and two
In being hinged between root connecting rod, wherein first connecting rod exports axis connection with electric rotating machine, and second connecting rod is connect with sliding shoe, the slip
The drive of block through connecting rod is slided in sliding groove, and the sliding shoe is connect with spring.
The first connecting rod is rotated with electric rotating machine output shaft, and the second connecting rod is in the drive lower edge of first connecting rod
Linear motion.
Cover sheet is also arranged on the electric rotating machine output shaft.
The detected bearing is equipped with temperature sensor.
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 and support rotary shaft.
The alternating load charging assembly is connected with oil supply system.
Torquemeter is also arranged in the rotary shaft, through computer drive control.
The computer control driving motor and alternating load charging assembly.
Computer controls the rotation of electric rotating machine, and bearing can be realized with given rotation speed operation.It is loaded in alternating load
In component, the rotation of electric rotating machine is controlled by computer.By toggle by the rotary motion of electric rotating machine
Linear motion is converted to, the stretching/compressing amount of spring can be influenced.Due to the change of the stretching/compressing amount of spring, spring can
To apply of different sizes, direction-agile active force on floating holder surface.It is multiple by being added in floating holder different zones
Electric rotating machine-toggle-spring unit can realize the loading of bearing alternating load.Computer passes through fueller control
Oil mass supply during bearing operation processed.Torquemeter and temperature sensor can hold the performance in operation process for detection axis
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, can realize the loading of bearing alternating load.
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 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 alternating load charging assembly, and 8 be floating holder, and 9 be stationary fixture B, and 10 be rotary shaft, and 11 is accompany examination bearing B, and 12 are
Bearing B is tested, 13 be subject bearing A, and 14 is accompany examination bearing A, and 15 be workbench, and 16 be temperature sensor, and 17 be electric rotating
Machine A, 18 be toggle A, and 19 be spring A, and 20 be attachment device A, and 21 be attachment device B, and 22 be spring B, and 23 be song
Handle link mechanism B, 24 be electric rotating machine B, 25 is first connecting rod, 26 is second connecting rod, 27 is sliding shoe, 28 is sliding groove, 29
It is electric rotating machine output shaft for cover sheet, 30.
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 loading alternating load based on toggle, as shown in Figure 1, the device packet
Include computer 1, driving motor 2, shaft coupling 3, torquemeter 4, stationary fixture A 5, oil supply system 6, alternating load charging assembly 7,
Floating holder 8, stationary fixture B 9, rotary shaft 10 accompany examination bearing B 11, subject bearing B 12, and subject bearing A 13 accompanies examination axis
Hold A 14, workbench 15.Wherein, as shown in Fig. 2, alternating load charging assembly 7 includes temperature sensor 16, electric rotating machine A
17, toggle A 18, spring A 19, attachment device A 20, attachment device B 21, spring B 22, toggle
23, electric rotating machine B 24.What the present embodiment was mainly tested is sliding bearing, by bearing block, is embedded in bearing block in smooth interior
The bearing shell composition of side.
Driving motor 2, torquemeter 4, stationary fixture A 5 and stationary fixture B 9 are mounted on workbench 15.Driving motor 2
It is connected by shaft coupling 3 with rotary shaft 10, rotary shaft 10 is made to rotate.Examination bearing A 14 is accompanied to be mounted in stationary fixture A 5
Portion accompanies examination bearing B 11 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 activity
Inside fixture 8.Examination bearing A 14 is accompanied with examination bearing B 11 is accompanied to play the role of supporting rotary shaft 10.
In alternating load charging assembly 7, multiple components are installed.Electric rotating machine A 17 passes through toggle A 18
It is linear motion by convert rotational motion, stretching/compressing deformation occurs for control spring A 19, and spring A 19 passes through attachment device A
20 are connected with floating holder 8, apply bearing loading force.Similar, electric rotating machine B 24 will be revolved by toggle B 23
Transhipment turn turns to linear motion, and stretching/compressing deformation occurs for control spring B 22, spring B 22 by attachment device B 21 and
Floating holder 8 is connected, and applies bearing loading force.
Toggle A 18 is roughly the same with the structure of toggle B 23, by with electric rotating machine output shaft 30
The two sections of connecting rods and sliding shoe 27 of flexible connection form, and structure is as shown in figure 3, in being hinged between two connecting rods, wherein first
Connecting rod 25 is connect with electric rotating machine output shaft 30, and second connecting rod 26 is connect with sliding shoe 27, and first connecting rod 25 is defeated with electric rotating machine
Shaft 30 rotates, and second connecting rod 26 moves along a straight line under the drive of first connecting rod 25.Sliding shoe 27 drives through second connecting rod 26
It is slided in sliding groove 28, sliding shoe 27 is connect with spring, and so as to drive spring movement, stretching/compressing shape occurs for control spring
Become.In order to improve mechanical strength, cover sheet 29 is also arranged on electric rotating machine output shaft 30.
Computer 1 is connected with driving motor 2, fueller 6, electric rotating machine A 17 and electric rotating machine B 24.Computer 1
Control driving motor 2 rotates, and realizes bearing with given rotation speed operation.Meanwhile computer 1 controls fueller 6 to realize bearing
Fuel feeding.The operation of electric rotating machine A 17 and electric rotating machine B 24 is also controlled by computer.In addition, torquemeter 4 and temperature pass
Sensor 16 is also connected with computer 1, can acquire the signal during bearing operation, 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 (9)
1. the bearing test device for loading alternating load based on toggle, which is characterized in that the experimental rig packet
It includes：
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,
Alternating load charging assembly is provided on the detected bearing, the component is by the electric rotating into setting symmetrical above and below
Machine, the toggle being connect with electric rotating machine, the spring being connect with the transmission mechanism and the connection for being arranged on spring end
Mechanism forms, which is connect by floating holder with detected bearing；
The toggle is made of the two sections of connecting rods and sliding shoe being flexibly connected with electric rotating machine output shaft, two companies
In being hinged between bar, wherein first connecting rod exports axis connection with electric rotating machine, and second connecting rod is connect with sliding shoe, sliding shoe warp
Connecting rod drive is slided in sliding groove, and the sliding shoe is connect with spring.
2. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the first connecting rod is rotated with electric rotating machine output shaft, and the second connecting rod is in the drive lower edge of first connecting rod
Linear motion.
3. the bearing test device according to claim 1 or 2 that load alternating load based on toggle,
It is characterized in that, cover sheet is also arranged on the electric rotating machine output shaft.
4. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the detected bearing is equipped with temperature sensor.
5. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is, is additionally provided with stationary fixture on the outside of the floating holder, is folded in the stationary fixture and accompanies examination bearing.
6. the bearing test device according to claim 5 that load alternating load based on toggle, special
Sign is that described accompanies examination bearing to be set in rotary shaft and support rotary shaft.
7. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the alternating load charging assembly is connected with oil supply system.
8. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is, torquemeter is also arranged in the rotary shaft, through computer drive control.
9. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the computer controls driving motor and alternating load charging assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458080.5A CN108254189A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on toggle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458080.5A CN108254189A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on toggle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254189A true CN108254189A (en) | 2018-07-06 |
Family
ID=62724272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458080.5A Withdrawn CN108254189A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on toggle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254189A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333143A (en) * | 2019-08-21 | 2019-10-15 | 厦门医疗器械研发检测中心有限公司 | Test machine |
| CN112577670A (en) * | 2020-12-12 | 2021-03-30 | 安徽卓尔航空科技有限公司 | Propeller dynamic balance measuring device |
-
2017
- 2017-12-28 CN CN201711458080.5A patent/CN108254189A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333143A (en) * | 2019-08-21 | 2019-10-15 | 厦门医疗器械研发检测中心有限公司 | Test machine |
| CN112577670A (en) * | 2020-12-12 | 2021-03-30 | 安徽卓尔航空科技有限公司 | Propeller dynamic balance measuring device |
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| 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 |