CN108254182A - The bearing test device for loading alternating load based on synchronous belt drive mechanism - Google Patents
The bearing test device for loading alternating load based on synchronous belt drive mechanism Download PDFInfo
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- CN108254182A CN108254182A CN201711456410.7A CN201711456410A CN108254182A CN 108254182 A CN108254182 A CN 108254182A CN 201711456410 A CN201711456410 A CN 201711456410A CN 108254182 A CN108254182 A CN 108254182A
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- bearing
- synchronous belt
- drive mechanism
- belt drive
- alternating load
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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 synchronous belt drive mechanism, including：Computer, driving motor through computer control connection, the output shaft of driving motor passes through shaft coupling and rotation axis connection, it rotates outer shaft sleeve and is equipped with detected sliding bearing, the sliding bearing is by bearing block, it is embedded and is formed in bearing block in the bearing shell in smooth inside face, it is detected on bearing and is provided with alternating load charging assembly, the component is by the electric rotating machine into setting symmetrical above and below, the synchronous belt drive mechanism being connect with electric rotating machine, the spring that is connect with the transmission mechanism and the bindiny mechanism's composition for being arranged on spring end, the bindiny mechanism is connect by floating holder with detected bearing；Synchronous belt drive mechanism includes driving wheel, driven wheel and sliding shoe.The present invention controls the elastic force of spring, can realize the loading of bearing alternating load by changing compression/amount of tension of spring.
Description
Technical field
The present invention relates to a kind of bearing load experimental rig, more particularly, to a kind of adding based on synchronous belt drive mechanism
Carry 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 based on synchronous belt biography
The bearing test device for loading alternating load of motivation structure.
The purpose of the present invention can be achieved through the following technical solutions：
The bearing test device for loading alternating load based on synchronous belt drive mechanism, including computer, driving motor,
Rotary shaft, alternating load charging assembly,
The computer is connected with the driving motor control, and the output shaft of the driving motor passes through shaft coupling
With the rotation axis connection,
Described rotation outer shaft sleeve is equipped with detected sliding bearing, the sliding bearing by bearing block, be embedded in bearing block
The interior bearing shell in smooth inside face forms,
Alternating load charging assembly is provided on the detected bearing, the component is by the rotation into setting symmetrical above and below
Motor, the synchronous belt drive mechanism being connect with electric rotating machine, the spring being connect with the transmission mechanism and it is arranged on spring end
Bindiny mechanism forms, which is connect by floating holder with detected bearing；
The synchronous belt drive mechanism includes driving wheel, driven wheel and sliding shoe, the driving wheel and electric rotating machine
Output axis connection, the driving wheel and the percutaneous band connection of the driven wheel, the sliding shoe is set on belt, edge
Belt moves in a straight line.
The linear guide is additionally provided with below the sliding shoe.
The driving wheel is also connect with the driven wheel by chain.
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 torquemeter through computer drive control is also arranged in the rotary shaft.
The computer control driving motor and alternating load charging assembly.
The alternating load charging assembly is connected with the oil supply system through computer drive control.
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 module, the rotation of electric rotating machine is controlled by computer.The rotation of electric rotating machine is transported by synchronous belt drive mechanism
Turn is changed to linear motion, can influence the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring will
Of different sizes, direction-agile active force can be applied on floating holder surface.It is more by being added in floating holder different zones
A electric rotating machine-synchronous belt drive mechanism-spring unit can realize the loading of bearing alternating load.Computer is filled by fuel feeding
The oil mass that control shaft is held in operation process is put to supply.Torquemeter and temperature sensor can be held for detection axis in operation process
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 synchronous belt 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 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 synchronous belt drive mechanism 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 are
Synchronous belt drive mechanism B, 24 be electric rotating machine B, and 25 be driving wheel, and 26 be driven wheel, and 27 be belt, and 28 be sliding shoe, and 29 are
The linear guide.
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 1
A kind of bearing test device for loading alternating load based on synchronous belt drive mechanism, as shown in Figure 1, the device
Including 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 accompanies examination bearing B 11, subject bearing B 12, and subject bearing A 13 accompanies examination
Bearing A 14, workbench 15.Wherein, as shown in Fig. 2, alternating load charging assembly 7 includes temperature sensor 16, electric rotating machine
A 17, synchronous belt drive mechanism A 18, spring A 19, attachment device A 20, attachment device B 21, spring B 22, synchronous belt pass
Motivation structure 23, electric rotating machine B 24.What the present embodiment was mainly tested is sliding bearing, by bearing block, is embedded and is in bearing block
The bearing shell composition in smooth inside face.
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, there are two components for installation.Electric rotating machine A 17 passes through synchronous belt drive mechanism A
Convert rotational motion is linear motion by 18, and stretching/compressing deformation occurs for control spring A 19, and spring A19 passes through attachment device A
20 are connected with floating holder 8, apply bearing loading force.Similar, electric rotating machine B24 will be revolved by synchronous belt drive mechanism 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.
Synchronous belt drive mechanism A 18 is roughly the same with the structure of synchronous belt drive mechanism B 23, as shown in figure 3, including master
Driving wheel 25, driven wheel 26 and sliding shoe 28, the driving wheel 25 used are zanjon gear, driving wheel 25 and rotation with driven wheel 26
The output axis connection of motor, driving wheel 25 and driven wheel 26 are set in one closed cycle of formation on belt 27, using actively
25 drive driven wheel 26 of wheel rotates, so as to which belt 27 be made to realize linear motion.Sliding shoe 28 is set on belt 27, and then can be with
As belt moves in a straight line.Furthermore it is also possible to the linear guide 29 is additionally provided in the lower section of sliding shoe 28, so as to further control
It is moved in a straight line.It is attached using sliding shoe 28 with spring, and then can control spring that stretching/compressing deformation occurs.
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.
Embodiment 2
A kind of bearing test device for loading alternating load based on synchronous belt drive mechanism, structure and embodiment 1
It is roughly the same, the difference lies in, driving wheel and driven wheel are spur gear in the present embodiment, are connected with each other by chain,
It is more preferable to be driven effect.
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 synchronous belt drive mechanism, which is characterized in that the experimental rig
Including computer, driving motor, rotary shaft, alternating load charging assembly,
The computer is connected with the driving motor control, and the output shaft of the driving motor passes through shaft coupling and institute
The rotation axis connection stated,
Described rotation outer shaft sleeve is equipped with detected sliding bearing, the sliding bearing by bearing block, be embedded and be in bearing block
The bearing shell composition 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 synchronous belt drive mechanism 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 synchronous belt drive mechanism includes driving wheel, driven wheel and sliding shoe, the driving wheel and electric rotating machine it is defeated
Go out axis connection, the driving wheel and the percutaneous band connection of the driven wheel, the sliding shoe is set on belt, along belt
It moves in a straight line.
2. the bearing test device according to claim 1 that load alternating load based on synchronous belt drive mechanism,
It is characterized in that, the linear guide is additionally provided with below the sliding shoe.
3. the bearing test device according to claim 1 that load alternating load based on synchronous belt drive mechanism,
It is characterized in that, the driving wheel is also connect with the driven wheel by chain.
4. the bearing test device according to claim 1 that load alternating load based on synchronous belt drive mechanism,
It is characterized in that, the detected bearing is equipped with temperature sensor.
5. the bearing test device according to claim 1 that load alternating load based on synchronous belt drive mechanism,
It is characterized in that, 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 synchronous belt drive mechanism,
It is characterized in 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 synchronous belt drive mechanism,
It is characterized in that, the torquemeter through computer drive control is also arranged in the rotary shaft.
8. the bearing test device according to claim 1 that load alternating load based on synchronous belt drive mechanism,
It is characterized in that, computer control driving motor and alternating load charging assembly.
9. the bearing test device according to claim 1 that load alternating load based on synchronous belt drive mechanism,
It is characterized in that, the alternating load charging assembly is connected with the oil supply system through computer drive control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456410.7A CN108254182A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on synchronous belt drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456410.7A CN108254182A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on synchronous belt drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254182A true CN108254182A (en) | 2018-07-06 |
Family
ID=62724216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711456410.7A Withdrawn CN108254182A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on synchronous belt drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254182A (en) |
-
2017
- 2017-12-28 CN CN201711456410.7A patent/CN108254182A/en not_active Withdrawn
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Application publication date: 20180706 |