CN207866499U - 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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- CN207866499U CN207866499U CN201721874540.8U CN201721874540U CN207866499U CN 207866499 U CN207866499 U CN 207866499U CN 201721874540 U CN201721874540 U CN 201721874540U CN 207866499 U CN207866499 U CN 207866499U
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- bearing
- drive mechanism
- synchronous belt
- belt drive
- alternating load
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Abstract
The utility model is related to the bearing test devices 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, the bearing shell in bearing block in smooth inside face is embedded to form, it is detected on bearing and is provided with alternating load charging assembly, the component is by the electric rotating machine at 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 bindiny mechanism's composition in spring end is set, the bindiny mechanism is connect by floating holder with detected bearing；Synchronous belt drive mechanism includes driving wheel, driven wheel and sliding shoe.The utility model controls the elastic force of spring, the load of bearing alternating load may be implemented by compression/amount of tension of change spring.
Description
Technical field
The utility model is related to a kind of bearing load experimental rig, more particularly, to a kind of based on synchronous belt drive mechanism
The bearing test device of alternating load can be loaded.
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 the most key one of the 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 load load of test bearing is tested as bearing tester, accuracy directly affect bearing
Test result.Bearing test device loading characteristic traditional at present is single, can not achieve the load of changeable load, and true interior
Dynamic load bearing is often in alternating load in combustion engine, therefore traditional bearing test device is difficult the examination for carrying out engine dynamic load bearing
It tests.
Utility model content
The purpose of this utility model is exactly to be provided a kind of based on synchronization to overcome the problems of the above-mentioned prior art
The bearing test device for loading alternating load of tape handler.
The purpose of this utility model 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,
The 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,
It is provided with alternating load charging assembly on the detected bearing, the component is by the rotation at 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 in 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.
It is additionally provided with the linear guide below the sliding shoe.
The driving wheel is also connect by chain with the driven wheel.
The detected bearing is equipped with temperature sensor.
It is additionally provided with stationary fixture 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 may be implemented 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
The load of bearing alternating load may be implemented in a electric rotating machine-synchronous belt drive mechanism-spring unit.Computer is filled by fuel feeding
The oil mass that control shaft is held in operation process is set to supply.Torquemeter and temperature sensor can hold for detection axis in operation process
Performance.
Compared with prior art, the utility model has the following advantages：
1, the rotation angle of electric rotating machine is controlled by computer, and then changes compression/amount of tension of spring, controls spring
Elastic force, the load of bearing alternating load may be implemented.
2, in conjunction with the real working condition condition of internal combustion engine, the change of the rotation angle and time of electric rotating machine is controlled by computer
The load of internal combustion engine real working condition load may be implemented in change amount.Contribute to carry out engine dynamic load bearing using the experimental rig
Experiment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of alternating load charging assembly；
Fig. 3 is the structural schematic 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 sets, 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
It is tested bearing B, 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 implementation mode
The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to the scope of protection of the utility model.
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, subject bearing A 13 to accompany 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.The present embodiment master to be tested is sliding bearing, by bearing block, is embedded and is in bearing block
The bearing shell in smooth inside face forms.
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 with rotary shaft 10 by shaft coupling 3, 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 to play the role of supporting rotary shaft 10 with examination bearing B 11 is accompanied.
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
Wheel 25 drives driven wheel 26 to rotate, to make belt 27 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, to further control
It is moved in a straight line.It is attached with spring using sliding shoe 28, and then spring can be controlled, 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
It controls driving motor 2 to rotate, realizes bearing with given rotation speed operation.Meanwhile computer 1 controls fueller 6 and realizes 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 is that, 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 embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
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,
The 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 in smooth inside face forms,
It is provided with alternating load charging assembly on the detected bearing, the component is by the electric rotating at 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 company in spring end is set
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 by chain with the driven wheel.
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, the computer controls 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 |
|---|---|---|---|
| CN201721874540.8U CN207866499U (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 |
|---|---|---|---|
| CN201721874540.8U CN207866499U (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 |
|---|---|
| CN207866499U true CN207866499U (en) | 2018-09-14 |
Family
ID=63463199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721874540.8U Expired - Fee Related CN207866499U (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) | CN207866499U (en) |
-
2017
- 2017-12-28 CN CN201721874540.8U patent/CN207866499U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20201228 |