CN207866519U - A kind of rolling bearing performance experimental rig loading alternating load - Google Patents
A kind of rolling bearing performance experimental rig loading alternating load Download PDFInfo
- Publication number
- CN207866519U CN207866519U CN201721876802.4U CN201721876802U CN207866519U CN 207866519 U CN207866519 U CN 207866519U CN 201721876802 U CN201721876802 U CN 201721876802U CN 207866519 U CN207866519 U CN 207866519U
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- fixture block
- rotary shaft
- rolling bearing
- straight line
- line motor
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Abstract
The utility model is related to a kind of rolling bearing performance experimental rigs loading alternating load, device includes workbench, rotary shaft supporting mechanism on the table is set, run through the rotary shaft of rotary shaft supporting mechanism in the horizontal direction, the electric rotating machine being sequentially connected on the table and with one end of rotary shaft and setting are set on the table and alternating load load maintainer compatible with rotary shaft, the alternating load load maintainer includes the fixture block component being set in outside rotary shaft and the first straight line motor charging assembly that is separately positioned on fixture block component both sides and is connected with fixture block component, second straight line motor charging assembly.Compared with prior art, first straight line motor charging assembly, second straight line motor charging assembly can load alternating load to the rolling bearing in fixture block component in the utility model, to simulate the real working condition condition of dynamic load rolling bearing in internal combustion engine, the accurate and reliable of rolling bearing performance test result ensure that.
Description
Technical field
The utility model belongs to technical field of internal combustion engines, is related to a kind of rolling bearing performance experiment loading alternating load
Device.
Background technology
Internal combustion engine has been widely used in automobile, ship, aircraft, tank, railway locomotive, agriculture machine as power-equipment
Multiple industries such as tool, engineering machinery, generating set, play a very important role in national economy.Include in internal combustion engine
Piston-cylinder liner, piston ring-cylinder liner, bent axle-bearing and cam-tappet etc. are several to important friction pair, wherein bent axle-bearing packet
It includes base bearing and the connecting-rod bearing (since the size and Orientation of such bearing working load all changes over time, is thus generically referred to as
Dynamic loading bearing), 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.
Currently, car engine main bearing, camshaft bearing and connecting rod bottom-end bearing mainly use sliding bearing, and it is a small number of
The camshaft bearing of engine uses rolling bearing.According to tribology theory, energy loss of the rolling friction than sliding friction
Small an order of magnitude or so is wanted, under identical working condition, the friction loss of rolling bearing is much smaller than sliding bearing, therefore,
The important trial that bearing element chemical conversion lowers consumption for engine antifriction.
The performance and its reliability of rolling bearing are the most important performance indicators of rolling bearing, but due to influencing bearing performance
Factor it is too many, carry out rolling bearing performance experiment be a kind of effective way.Bearing test is in design bearing and manufacturing process
Essential and basic important verification process, wherein the important parameter that the load load of test bearing is tested as bearing tester,
Accuracy directly affects the result of bearing test.Rolling bearing experimental rig loading characteristic traditional at present is single, cannot carry out
The load of changeable load, and dynamic load rolling bearing often works in alternating load in true internal combustion engine, therefore traditional rolling
Bearing performance experimental rig can not carry out the experiment of internal combustion engine dynamic load rolling bearing.
Utility model content
The purpose of this utility model is exactly to overcome the problems of the above-mentioned prior art and friendship can be loaded by providing one kind
The rolling bearing performance experimental rig of varying load.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of rolling bearing performance experimental rig loading alternating load, rolling bearing include bearing inner race, are set in
Bearing outer ring outside bearing inner race, the retainer being arranged between bearing outer ring and bearing inner race and multiple along bearing inner race
The uniformly distributed rolling element on retainer of circumferential direction, the device includes workbench, setting rotary shaft on the table
Supporting mechanism, in the horizontal direction run through rotary shaft supporting mechanism rotary shaft, setting on the table and with one end of rotary shaft
The electric rotating machine of drive connection and setting on the table and alternating load load maintainer compatible with rotary shaft, the alternation
Load load maintainer include the fixture block component being set in outside rotary shaft and be separately positioned on fixture block component both sides and and fixture block
The connected first straight line motor charging assembly of component, second straight line motor charging assembly.Rolling bearing to be tested is placed in folder
Between block assembly, and it is arranged on the rotary shaft；Electric rotating machine drives rotary shaft rotation, first straight line motor charging assembly and second
Linear motor charging assembly applies active force to fixture block component, and then realizes the load to rolling bearing alternating load.
In rolling bearing, circumferential direction of the rolling element by retainer along bearing inner race is evenly distributed in bearing inner race and bearing
Between outer ring.
Further, the rotary shaft supporting mechanism includes being set up in parallel the first support component on the table,
Two support components, the rotary shaft run through the first support component and the second support component in the horizontal direction.First support component
And second support component rotary shaft can be supported.
Further, first support component includes setting first bearing seat on the table and setting the
On one bearing block and the first auxiliary bearing for being set in outside rotary shaft, second support component include being arranged in workbench
On second bearing seat and be arranged in second bearing seat and be set in the second auxiliary bearing outside rotary shaft.First auxiliary
Bearing and the second auxiliary bearing are arranged on the rotary shaft side by side, are supported to rotary shaft.
Further, first auxiliary bearing and the second auxiliary bearing are rolling bearing.
Further, the fixture block component includes the first fixture block and the second fixture block being oppositely arranged, the described first folder
Rolling bearing installation cavity is equipped between block and the second fixture block.When experiment, rolling bearing to be tested is placed in the first fixture block and
Between two fixture blocks.
Further, temperature sensor is equipped in first fixture block.
Further, the first straight line motor charging assembly include setting first straight line motor on the table with
And the first spring being arranged between first straight line motor and the first fixture block, one end and the first straight line electricity of first spring
It is equipped with first straight line motor link block between machine, the first fixture block link block is equipped between the other end and the first fixture block；Described
Two linear motor charging assemblies include setting second straight line motor on the table and setting in second straight line motor and the
Second spring between two fixture blocks is equipped with second straight line motor and connects between one end and second straight line motor of the second spring
Block is connect, the second fixture block link block is equipped between the other end and the second fixture block.First straight line motor is pressed from both sides by the first spring and first
Block elastic connection, first straight line motor can make the first spring that stretching or compressive deformation occur, and by the first fixture block to be measured
The rolling bearing of examination applies loading force；Second straight line motor passes through second spring and the second fixture block elastic connection, second straight line electricity
Machine can make second spring that stretching or compressive deformation occur, and apply load to rolling bearing to be tested by the second fixture block
Power.
Further, it is equipped with shaft coupling between the electric rotating machine and rotary shaft, and passes through shaft coupling and rotary shaft
One end is sequentially connected.Electric rotating machine is connected by shaft coupling with rotary shaft, and rotary shaft is driven to rotate.
Further, the workbench is equipped with torquemeter compatible with rotary shaft.
Further, the device further includes computer.Computer respectively with electric rotating machine, first straight line motor and
Two linear motors are electrically connected, to control corresponding component.Computer controls electric rotating machine rotation, makes the axis of rolling to be tested
Holding can be with scheduled rotary speed working.In addition, torquemeter and temperature sensor can acquire the axis of rolling also with calculating mechatronics
The signal in operation process is held, the operational situation of rolling bearing is monitored.
The device further includes oil supply system as a preferred technical solution,.Oil supply system and calculating mechatronics, meter
Calculation machine controls the fuel feeding that oil supply system realizes rolling bearing.
As a preferred technical solution, the oil supply system include fuel tank, constant displacement pump, filter, pressure sensor and
Flowmeter.The oil-feed port of fuel tank is sequentially connected constant displacement pump, filter by oil feed line, and pressure sensor and flowmeter setting exist
On oil feed line, fuel tank is rolling bearing fuel feeding by oil feed line.
The utility model in practical application, rolling bearing to be tested is placed between the first fixture block and the second fixture block,
And it is arranged on the rotary shaft；Computer controls electric rotating machine rotation, makes rolling bearing with scheduled rotation speed operation；Pass through computer
The displacement of first straight line motor and second straight line motor is controlled, and then controls the first spring and the stretching/compressing of second spring
Amount, due to the change of the first spring and the stretching/compressing amount of second spring, the first spring and second spring are respectively in the first folder
Block, the second fixture block surface apply of different sizes, direction-agile active force, and then realize the load of rolling bearing alternating load.
Meanwhile computer controls the oil mass in rolling bearing operation process by oil supply system and supplies, torquemeter and temperature sensor energy
Enough detect the performance in rolling bearing operation process.
Wherein, multiple rolling bearings can be placed between the first fixture block and the second fixture block simultaneously, are realized to multiple rolling bearings
While test.
Compared with prior art, the utility model has the characteristics that：
1) first straight line motor charging assembly, second straight line motor charging assembly can be to the rolling bearings in fixture block component
Alternating load is loaded, to simulate the real working condition condition of dynamic load rolling bearing in internal combustion engine, ensure that rolling bearing performance is tested
As a result accurate and reliable；
2) first straight line motor, the displacement of second straight line motor and time variation amount are controlled by computer, to change the
The amount of tension or decrement of one spring, second spring, and then the elastic force of the first spring of control, second spring, realize rolling bearing
The load of alternating load.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of alternating load load maintainer in the utility model；
Description of symbols in figure：
1-computer, 2-electric rotating machines, 3-shaft couplings, 4-torquemeters, 5-first bearing seats, 6-oil supply systems,
7-alternating load load maintainers, the 8-the first fixture block, 9-second bearing seats, 10-rotary shafts, the 11-the second auxiliary bearing,
12-rolling bearings, the 13-the second fixture block, the 14-the first auxiliary bearing, 15-workbench, 16-temperature sensors, 17-the first
Linear motor, 18-first straight line motor link blocks, the 19-the first spring, the 20-the first fixture block link block, the 21-the second fixture block
Link block, 22-second springs, 23-second straight line motor link blocks, 24-second straight line motors.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, gives detailed embodiment and specific operating process, but the guarantor of the utility model
Shield range is not limited to following embodiments.
Embodiment：
A kind of rolling bearing performance experimental rig loading alternating load as shown in Figure 1, rolling bearing 12 include axis
Hold inner ring, the bearing outer ring that is set in outside bearing inner race, the retainer being arranged between bearing outer ring and bearing inner race and
The uniformly distributed rolling element on retainer of multiple circumferential directions along bearing inner race, device include workbench 15, are arranged in workbench
Rotary shaft supporting mechanism on 15, is arranged on workbench 15 rotary shaft 10 for running through rotary shaft supporting mechanism in the horizontal direction
And it is on workbench 15 and compatible with rotary shaft 10 with the electric rotating machine 2 of one end of rotary shaft 10 drive connection and setting
Alternating load load maintainer 7, as shown in Fig. 2, alternating load load maintainer 7 includes the fixture block component being set in outside rotary shaft 10
And first straight line motor charging assembly, the second straight line motor for being separately positioned on fixture block component both sides and being connected with fixture block component
Charging assembly.
Wherein, rotary shaft supporting mechanism includes the first support component being disposed in parallel on workbench 15, the second support group
Part, rotary shaft 10 run through the first support component and the second support component in the horizontal direction.First support component includes being arranged in work
Make the first bearing seat 5 on platform 15 and is arranged in first bearing seat 5 and is set in the first asessory shaft outside rotary shaft 10
14 are held, the second support component includes the second bearing seat 9 being arranged on workbench 15 and is arranged in second bearing seat 9 and covers
The second auxiliary bearing 11 being located at outside rotary shaft 10.First auxiliary bearing 14 and the second auxiliary bearing 11 are rolling bearing.
Fixture block component includes the first fixture block 8 and the second fixture block 13 being oppositely arranged, between the first fixture block 8 and the second fixture block 13
Equipped with rolling bearing installation cavity.It is equipped with temperature sensor 16 in first fixture block 8.
First straight line motor charging assembly includes the first straight line motor 17 being arranged on workbench 15 and setting the
The first spring 19 between one linear motor 17 and the first fixture block 8, between one end and first straight line motor 17 of the first spring 19
Equipped with first straight line motor link block 18, the first fixture block link block 20 is equipped between the other end and the first fixture block 8；Second straight line electricity
Machine charging assembly includes the second straight line motor 24 being arranged on workbench 15 and is arranged in second straight line motor 24 and second
Second spring 22 between fixture block 13 is equipped with second straight line motor and connects between one end and second straight line motor 24 of second spring 22
Block 23 is connect, the second fixture block link block 21 is equipped between the other end and the second fixture block 13.
It is equipped with shaft coupling 3 between electric rotating machine 2 and rotary shaft 10, and is driven by one end of shaft coupling 3 and rotary shaft 10
Connection.Workbench 15 is equipped with torquemeter compatible with rotary shaft 10 4.
Device further includes computer 1 and oil supply system 6.
In practical application, 2 rolling bearings 12 to be tested are placed in simultaneously the first fixture block 8 and the second fixture block 13 it
Between, and be respectively sleeved in rotary shaft 10；Computer 1 controls electric rotating machine 2 and rotates, and rolling bearing 12 is made to be transported with scheduled rotating speed
Turn；The displacement of first straight line motor 17 and second straight line motor 24 is controlled by computer 1, so control the first spring 19 and
The stretching/compressing amount of second spring 22, due to the change of the first spring 19 and the stretching/compressing amount of second spring 22, the first bullet
Spring 19 and second spring 22 apply of different sizes, direction-agile active force on the first fixture block 8,13 surface of the second fixture block respectively,
And then realize the load of 12 alternating load of rolling bearing.Meanwhile computer 1 controls rolling bearing 12 by oil supply system 6 and operates
Oil mass supply in the process, torquemeter 4 and temperature sensor 16 can detect the performance in 12 operation process of rolling bearing.
Practicality can be understood and used the above description of the embodiments is intended to facilitate those skilled in the art
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (10)
1. a kind of rolling bearing performance experimental rig loading alternating load, rolling bearing (12) include bearing inner race, are arranged
Bearing outer ring outside bearing inner race, the retainer being arranged between bearing outer ring and bearing inner race and multiple along bearing
The uniformly distributed rolling element on retainer of circumferential direction of circle, which is characterized in that the device include workbench (15), setting exist
Rotary shaft supporting mechanism on workbench (15), the rotary shaft (10) for running through rotary shaft supporting mechanism in the horizontal direction, setting exist
On workbench (15) and with one end of rotary shaft (10) be sequentially connected electric rotating machine (2) and be arranged on workbench (15) simultaneously
The compatible alternating load load maintainer (7) with rotary shaft (10), the alternating load load maintainer (7) include being set in rotary shaft
(10) external fixture block component and fixture block component both sides are separately positioned on and the first straight line motor being connected with fixture block component adds
Carry component, second straight line motor charging assembly.
2. a kind of rolling bearing performance experimental rig loading alternating load according to claim 1, which is characterized in that
The rotary shaft supporting mechanism includes the first support component, the second support component being disposed in parallel on workbench (15), institute
The rotary shaft (10) stated runs through the first support component and the second support component in the horizontal direction.
3. a kind of rolling bearing performance experimental rig loading alternating load according to claim 2, which is characterized in that
First support component includes the first bearing seat (5) being arranged on workbench (15) and is arranged in first bearing seat
(5) on and it is set in external the first auxiliary bearing (14) of rotary shaft (10), second support component includes being arranged in work
Make the second bearing seat (9) on platform (15) and be arranged in second bearing seat (9) and be set in rotary shaft (10) it is external the
Two auxiliary bearings (11).
4. a kind of rolling bearing performance experimental rig loading alternating load according to claim 3, which is characterized in that
First auxiliary bearing (14) and the second auxiliary bearing (11) is rolling bearing.
5. a kind of rolling bearing performance experimental rig loading alternating load according to claim 1, which is characterized in that
The fixture block component includes the first fixture block (8) being oppositely arranged and the second fixture block (13), first fixture block (8) and second
Rolling bearing installation cavity is equipped between fixture block (13).
6. a kind of rolling bearing performance experimental rig loading alternating load according to claim 5, which is characterized in that
Temperature sensor (16) is equipped in first fixture block (8).
7. a kind of rolling bearing performance experimental rig loading alternating load according to claim 5, which is characterized in that
The first straight line motor charging assembly includes that the first straight line motor (17) being arranged on workbench (15) and setting exist
The first spring (19) between first straight line motor (17) and the first fixture block (8), one end of first spring (19) and the
It is equipped with first straight line motor link block (18) between one linear motor (17), first is equipped between the other end and the first fixture block (8)
Fixture block link block (20)；
The second straight line motor charging assembly includes the second straight line motor (24) being arranged on workbench (15) and sets
Set the second spring (22) between second straight line motor (24) and the second fixture block (13), one end of the second spring (22)
It is equipped with second straight line motor link block (23) between second straight line motor (24), is equipped between the other end and the second fixture block (13)
Second fixture block link block (21).
8. a kind of rolling bearing performance experimental rig loading alternating load according to claim 1, which is characterized in that
It is equipped with shaft coupling (3) between the electric rotating machine (2) and rotary shaft (10), and passes through shaft coupling (3) and rotary shaft (10)
One end is sequentially connected.
9. a kind of rolling bearing performance experimental rig loading alternating load according to claim 1, which is characterized in that
The workbench (15) is equipped with rotary shaft (10) compatible torquemeter (4).
10. a kind of rolling bearing performance experimental rig loading alternating load according to claim 1, feature exist
In the device further includes computer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876802.4U CN207866519U (en) | 2017-12-28 | 2017-12-28 | A kind of rolling bearing performance experimental rig loading alternating load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876802.4U CN207866519U (en) | 2017-12-28 | 2017-12-28 | A kind of rolling bearing performance experimental rig loading alternating load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866519U true CN207866519U (en) | 2018-09-14 |
Family
ID=63463273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876802.4U Expired - Fee Related CN207866519U (en) | 2017-12-28 | 2017-12-28 | A kind of rolling bearing performance experimental rig loading alternating load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866519U (en) |
-
2017
- 2017-12-28 CN CN201721876802.4U patent/CN207866519U/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 |
Granted publication date: 20180914 Termination date: 20201228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |