CN207866522U - 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
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- CN207866522U CN207866522U CN201721876941.7U CN201721876941U CN207866522U CN 207866522 U CN207866522 U CN 207866522U CN 201721876941 U CN201721876941 U CN 201721876941U CN 207866522 U CN207866522 U CN 207866522U
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- bearing
- rack
- alternating load
- radially alternating
- test device
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Abstract
The utility model is related 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, radially alternating load load-on module on being detected bearing is set, it is being detected on the outside of bearing including the temperature sensor on being detected bearing and setting is arranged, 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, bearing may be implemented in four direction, the load of the alternating load of two radial directions in the utility model.
Description
Technical field
The utility model is related to a kind of bearing test devices, more particularly, to a kind of applying based on rack pinion
The bearing test device of radially 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 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 gear to overcome the problems of the above-mentioned prior art
The bearing test device for applying radially alternating load of rack-driving.
The purpose of this utility model can be achieved through the following technical solutions：
The bearing test device for applying radially alternating load based on rack pinion, including
Computer,
The output shaft of the driving motor being connect with computer, 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 the bearing shell in smooth inside face in seat,
Radially alternating load load-on module on being detected bearing is set, including the temperature being arranged on being detected bearing
Sensor and setting are being detected on the outside of bearing, the symmetrical loading component on four direction, and 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
It is equipped with connection backboard with the back side of the gear of the output axis connection of electric rotating machine, the gear,
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.
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, is located at the outside for being detected bearing.
The radially alternating load load-on module is connected with oil supply system, which connect with Computer signal.
It is also arranged with torquemeter 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 may be implemented 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 load that the radially alternating load of bearing may be implemented in multiple electric rotating machine-rack and pinion drive mechanism-spring units is added, 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 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, bearing may be implemented in four direction, the load of the alternating load of two radial directions.
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 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 sets, 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 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
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 A5, oil supply system 6, radial friendship
Varying load load-on module 7, floating holder 8, stationary fixture B 9, rotary shaft 10 accompany examination bearing B 11, subject bearing B 12, subject
Bearing A 13 accompanies 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, 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 A5 and stationary fixture B 9 are mounted on workbench 15.Electric rotating
Machine 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 A5
Inside 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 work
Inside dynamic fixture 8.It accompanies examination bearing A14 and 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 the bearing shell group in smooth inside face in bearing block
At.
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, and bearing loading force is applied.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, and bearing loading force is applied；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, and bearing loading force is applied；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
22, 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 the connection composition of rack 34, wherein the output axis connection of spur gear 33 and electric rotating machine with spur gear 33, and
It is equipped with connection backboard 35 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, spring is further controlled again and stretching/pressure occurs
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 and rotates, and realizes bearing with given rotation speed operation.Meanwhile it counting
Calculation machine 1 controls the fuel feeding that fueller 6 realizes bearing.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, the operational situation of bearing is monitored.
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 (8)
1. the bearing test device for applying radially alternating load based on rack pinion, which is characterized in that the experiment fills
Set including
Computer,
The output shaft of the driving motor being connect with computer, 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,
Radially alternating load load-on module on being detected bearing is set, including the temperature sensing being arranged on being detected bearing
Device and setting are being detected on the outside of bearing, and 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
It is equipped with connection backboard with the back side of the gear of the output axis connection of electric rotating machine, the gear,
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 4 that apply radially alternating load based on rack pinion,
It is characterized in that, described accompanies examination bearing to be set in rotary shaft, it is located at the outside for being 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 |
|---|---|---|---|
| CN201721876941.7U CN207866522U (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 |
|---|---|---|---|
| CN201721876941.7U CN207866522U (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 |
|---|---|
| CN207866522U true CN207866522U (en) | 2018-09-14 |
Family
ID=63463328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876941.7U Expired - Fee Related CN207866522U (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) | CN207866522U (en) |
-
2017
- 2017-12-28 CN CN201721876941.7U patent/CN207866522U/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 |