CN207866518U - The bearing test device for loading alternating load based on toggle - Google Patents
The bearing test device for loading alternating load based on toggle Download PDFInfo
- Publication number
- CN207866518U CN207866518U CN201721876742.6U CN201721876742U CN207866518U CN 207866518 U CN207866518 U CN 207866518U CN 201721876742 U CN201721876742 U CN 201721876742U CN 207866518 U CN207866518 U CN 207866518U
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- China
- Prior art keywords
- bearing
- toggle
- alternating load
- test device
- electric rotating
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Abstract
The utility model is related to the bearing test devices for loading alternating load based on toggle, 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 toggle 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 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 it is a kind of based on toggle can
Load 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.
Utility model content
The purpose of this utility model is exactly to be provided a kind of based on crank to overcome the problems of the above-mentioned prior art
The bearing test device for loading alternating load of link mechanism.
The purpose of this utility model can be achieved through the following technical solutions：
The bearing test device for loading alternating load based on toggle, 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 toggle 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 toggle is made of the two sections of connecting rods and sliding shoe being flexibly connected with electric rotating machine output shaft, and two
In being hinged between root connecting rod, wherein first connecting rod exports axis connection with electric rotating machine, and second connecting rod is connect with sliding shoe, the sliding
The drive of block through connecting rod is slided in sliding groove, and the sliding shoe is connect with spring.
The first connecting rod is rotated with electric rotating machine output shaft, drive lower edge of the second connecting rod in first connecting rod
Linear motion.
It is also arranged with cover sheet on the electric rotating machine output shaft.
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, through computer drive control.
The computer control driving motor and 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 toggle 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-toggle-spring unit.Computer passes through fueller control
Oil mass supply during bearing operation processed.Torquemeter and temperature sensor can hold the performance in operation process for detection axis
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 toggle.
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 toggle 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 be song
Handle link mechanism B, 24 be electric rotating machine B, 25 is first connecting rod, 26 is second connecting rod, 27 is sliding shoe, 28 is sliding groove, 29
It is electric rotating machine output shaft for cover sheet, 30.
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 loading alternating load based on toggle, as shown in Figure 1, the device packet
Include 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 accompany examination bearing B 11, subject bearing B 12, subject bearing A 13 to accompany examination axis
Hold A 14, workbench 15.Wherein, as shown in Fig. 2, alternating load charging assembly 7 includes temperature sensor 16, electric rotating machine A
17, toggle A 18, spring A19, attachment device A20, attachment device B 21, spring B 22, toggle 23,
Electric rotating machine B 24.The present embodiment master to be tested is sliding bearing, by bearing block, is embedded in bearing block in smooth inside face
Bearing shell composition.
Driving motor 2, torquemeter 4, stationary fixture A5 and stationary fixture B 9 are mounted on workbench 15.Driving motor 2 is logical
It crosses shaft coupling 3 with rotary shaft 10 to be connected, rotary shaft 10 is made to rotate.Examination bearing A14 is accompanied to be mounted on inside stationary fixture A 5,
Examination bearing B 11 is accompanied 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 floating holder
Inside 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, multiple components are installed.Electric rotating machine A 17 passes through toggle A 18
It is linear motion by convert rotational motion, stretching/compressing deformation occurs for control spring A 19, and spring A 19 passes through attachment device A
20 are connected with floating holder 8, apply bearing loading force.Similar, electric rotating machine B 24 will be revolved by toggle 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.
Toggle A 18 is roughly the same with the structure of toggle B 23, by with electric rotating machine output shaft 30
The two sections of connecting rods and sliding shoe 27 of flexible connection form, and structure is as shown in figure 3, in being hinged between two connecting rods, wherein first
Connecting rod 25 is connect with electric rotating machine output shaft 30, and second connecting rod 26 is connect with sliding shoe 27, and first connecting rod 25 is defeated with electric rotating machine
Shaft 30 rotates, and second connecting rod 26 moves along a straight line under the drive of first connecting rod 25.Sliding shoe 27 drives through second connecting rod 26
Sliding, sliding shoe 27 are connect with spring in sliding groove 28, to drive spring movement, control spring that stretching/compressing shape occurs
Become.In order to improve mechanical strength, cover sheet 29 is also arranged on electric rotating machine output shaft 30.
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.
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 toggle, which is characterized in that the experimental rig packet
It includes：
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 toggle being connect with electric rotating machine, the spring being connect with the toggle and it is arranged in spring end
Bindiny mechanism forms, which is connect by floating holder with detected bearing；
The toggle is made of the two sections of connecting rods and sliding shoe being flexibly connected with electric rotating machine output shaft, two companies
In being hinged between bar, wherein first connecting rod exports axis connection with electric rotating machine, and second connecting rod is connect with sliding shoe, sliding shoe warp
Connecting rod drive is slided in sliding groove, and the sliding shoe is connect with spring.
2. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the first connecting rod is rotated with electric rotating machine output shaft, drive lower edge of the second connecting rod in first connecting rod
Linear motion.
3. the bearing test device according to claim 1 or 2 that load alternating load based on toggle,
It is characterized in that, cover sheet is also arranged on the electric rotating machine output shaft.
4. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the detected bearing is equipped with temperature sensor.
5. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is, 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 toggle, special
Sign is 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 toggle, special
Sign is that the alternating load charging assembly is connected with oil supply system.
8. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is, torquemeter is also arranged in the rotary shaft, through computer drive control.
9. the bearing test device according to claim 1 that load alternating load based on toggle, special
Sign is that the computer controls driving motor and alternating load charging assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876742.6U CN207866518U (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on toggle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876742.6U CN207866518U (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on toggle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866518U true CN207866518U (en) | 2018-09-14 |
Family
ID=63463272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876742.6U Expired - Fee Related CN207866518U (en) | 2017-12-28 | 2017-12-28 | The bearing test device for loading alternating load based on toggle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866518U (en) |
-
2017
- 2017-12-28 CN CN201721876742.6U patent/CN207866518U/en not_active Expired - Fee Related
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Legal Events
| 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 |