CN108279123A - The bearing test device for loading alternating load based on rack and pinion drive mechanism - Google Patents
The bearing test device for loading alternating load based on rack and pinion drive mechanism Download PDFInfo
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- CN108279123A CN108279123A CN201711456408.XA CN201711456408A CN108279123A CN 108279123 A CN108279123 A CN 108279123A CN 201711456408 A CN201711456408 A CN 201711456408A CN 108279123 A CN108279123 A CN 108279123A
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- bearing
- rack
- drive mechanism
- alternating load
- pinion drive
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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 devices for loading alternating load based on rack and pinion drive mechanism, 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 is made of electric rotating machine, the rack and pinion drive mechanism being connect with electric rotating machine, the spring that is connect with the transmission mechanism and the bindiny mechanism being arranged in spring end at setting symmetrical above and below, which is connect by floating holder with detected bearing.Compared with prior art, the present invention controls the rotation angle of electric rotating machine by computer, changes the stretching/compressing amount of spring using alternating load charging assembly, and the elastic force for controlling spring realizes the advantages that being loaded with of bearing alternating load.
Description
Technical field
The present invention relates to a kind of bearing test devices, more particularly, to a kind of loading based on rack and pinion drive mechanism
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 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.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind, and bearing may be implemented
The bearing test device that loads alternating load of the load of alternating load based on rack and pinion drive 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 rack and pinion drive mechanism, 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,
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 rack and pinion drive mechanism being connect with electric rotating machine, the spring being connect with the transmission mechanism and setting are in spring end
Bindiny mechanism's composition, which is connect by floating holder with detected bearing.
The rack that the rack and pinion drive mechanism engages connection by gear and with the gear forms, the gear
With the output axis connection of electric rotating machine, convert rotational motion is linear motion by rack setting in a vertical shape, rack
Lower end is connect with spring.
The gear is spur gear, angular wheel or helical gear.
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 alternating load charging assembly is connected with oil supply system.
It is also arranged with torquemeter in the rotary shaft.
Computer control driving motor, torquemeter, oil supply system and the alternating load charging assembly.
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 component, the rotation of electric rotating machine is controlled by computer.By rack and pinion drive mechanism 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
The load of bearing alternating load may be implemented in electric rotating machine-rack and pinion 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 present invention 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 diagram of the present invention；
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 the first stationary fixture, and 6 be confession
Oily device, 7 be alternating load charging assembly, and 8 be floating holder, and 9 be the second stationary fixture, and 10 be rotary shaft, and 11 accompany for second
Bearing is tried, 12 be the second subject bearing, and 13 be the first subject bearing, and 14 accompany examination bearing for first, and 15 be workbench, and 16 be temperature
Sensor is spent, 17 be the first electric rotating machine, and 18 be first gear rack gear, and 19 be the first spring, and 20 be the first connection
Device, 21 be the second attachment device, and 22 be second spring, and 23 be second gear rack gear, 24 be the second electric rotating machine,
25 it is gear, 26 is rack.
Specific implementation mode
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 of 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 rack and pinion drive mechanism, as shown in Figure 1, the dress
It sets including computer 1, driving motor 2, shaft coupling 3, torquemeter 4, the first stationary fixture 5, oil supply system 6, alternating load load
Component 7, floating holder 8, the second stationary fixture 9, rotary shaft 10, second accompanies examination bearing 11, the second subject bearing 12, the first subject
Bearing 13, first accompanies examination bearing 14, workbench 15.Wherein, alternating load charging assembly 7 include temperature sensor 16, first
Electric rotating machine 17, first gear rack gear 18, the first spring 19, the first attachment device 20, the second attachment device 21, the
Two springs 22, rack and pinion drive mechanism 23, the second electric rotating machine 24, said modules are symmetrical arranged in up-down structure.
Driving motor 2, torquemeter 4, the first stationary fixture 5 and the second stationary fixture 9 are mounted on workbench 15.Driving electricity
Machine 2 is connected by shaft coupling 3 with rotary shaft 10, and rotary shaft 10 is made to rotate, and torquemeter 4 is also associated in rotary shaft 10.
First accompanies examination bearing 14 to be mounted on inside the first stationary fixture 5, and second accompanies examination bearing 11 to be mounted on inside the second stationary fixture 9.
First subject bearing 13 and second is tested bearing 14 and is mounted on inside floating holder 8.First accompanies examination bearing 14 and second to accompany examination axis
11 are held to play the role of supporting rotary shaft 10.
In alternating load charging assembly 7, multiple components are installed, alternating load charging assembly 7 is equipped in the present embodiment
Two, it is arranged in the upper and lower for being detected bearing, the basic knot of two and alternating load charging assembly 7 in upper and lower symmetrical structure
Structure is identical.Convert rotational motion is linear motion, control by first gear rack gear 18 by the first electric rotating machine 17
Stretching/compressing deformation occurs for the first spring 19, and the first spring 19 is connected by the first attachment device 20 with floating holder 8, applies
Bearing loading force.Similar, convert rotational motion is straight by second gear rack gear 23 by the second electric rotating machine 24
Line moves, and stretching/compressing deformation occurs for control second spring 22, and second spring 22 passes through the second attachment device 21 and floating holder
8 are connected, and apply bearing loading force.The first gear rack gear 18 that uses and second gear rack gear 23
Structure is also identical, and the rack 26 that connection is engaged by gear 25 and with the gear 25 forms, as shown in figure 3, gear 25 can
To use spur gear, angular wheel or helical gear etc. can also be used, can be replaced according to actual needs, with electric rotating machine
Output axis connection, rack 26 it is in a vertical shape setting by convert rotational motion be linear motion, the lower end of rack is connect with spring.
In the present embodiment, it is sliding bearing that the second subject bearing 12 and first, which is tested bearing 13, by bearing block, is embedded in bearing block
It is formed in the bearing shell in smooth inside face,
Computer 1 is connected with driving motor 2, fueller 6, the first electric rotating machine 17 and the second electric rotating machine 24.Meter
Calculation machine 1 controls driving motor 2 and rotates, and realizes bearing with given rotation speed operation.Meanwhile computer 1 controls fueller 6 and realizes
The fuel feeding of bearing.The operation of first electric rotating machine 17 and the second electric rotating machine 24 is also controlled by computer.In addition, torquemeter 4
Also it is connected with computer 1 with temperature sensor 16, the signal during bearing operation can be acquired, monitors the operating shape of bearing
Condition.
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 (8)
1. the bearing test device for loading alternating load based on rack and pinion drive mechanism, 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,
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 rack and pinion 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 rack that the rack and pinion drive mechanism engages connection by gear and with the gear forms, the gear and rotation
Convert rotational motion is linear motion, the lower end of rack by the output axis connection of rotating motor, rack setting in a vertical shape
It is connect with spring.
2. the bearing test device according to claim 1 that load alternating load based on rack and pinion drive mechanism,
It is characterized in that, the gear is spur gear, angular wheel or helical gear.
3. the bearing test device according to claim 1 that load alternating load based on rack and pinion drive mechanism,
It is characterized in that, the detected bearing is equipped with temperature sensor.
4. the bearing test device according to claim 1 that load alternating load based on rack and pinion drive mechanism,
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 load alternating load based on rack and pinion drive mechanism,
It is characterized in that, described accompanies examination bearing to be set in rotary shaft and support rotary shaft.
6. the bearing test device according to claim 1 that load alternating load based on rack and pinion drive mechanism,
It is characterized in that, the alternating load charging assembly is connected with oil supply system.
7. the bearing test device according to claim 1 that load alternating load based on rack and pinion drive mechanism,
It is characterized in that, being also arranged with torquemeter in the rotary shaft.
8. the bearing test dress according to claim 1 or claim 7 that load alternating load based on rack and pinion drive mechanism
It sets, which is characterized in that computer control driving motor, torquemeter and the alternating load charging assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456408.XA CN108279123A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on rack and pinion drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456408.XA CN108279123A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on rack and pinion drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108279123A true CN108279123A (en) | 2018-07-13 |
Family
ID=62802451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711456408.XA Withdrawn CN108279123A (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on rack and pinion drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108279123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057700A (en) * | 2019-05-06 | 2019-07-26 | 北京工业大学 | A kind of bending/curved drawing fretting fatigue and fretting wear pilot system and test method |
| CN111462541A (en) * | 2020-04-10 | 2020-07-28 | 刘颖 | English teaching is with contest equipment that has enjoyment |
-
2017
- 2017-12-28 CN CN201711456408.XA patent/CN108279123A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057700A (en) * | 2019-05-06 | 2019-07-26 | 北京工业大学 | A kind of bending/curved drawing fretting fatigue and fretting wear pilot system and test method |
| CN110057700B (en) * | 2019-05-06 | 2023-11-03 | 北京工业大学 | Bending torsion/bending tension fretting fatigue and fretting wear test system and test method |
| CN111462541A (en) * | 2020-04-10 | 2020-07-28 | 刘颖 | English teaching is with contest equipment that has enjoyment |
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Application publication date: 20180713 |