CN207866502U - A kind of type alternating load loading device suitable for bearing tester - Google Patents
A kind of type alternating load loading device suitable for bearing tester Download PDFInfo
- Publication number
- CN207866502U CN207866502U CN201721874593.XU CN201721874593U CN207866502U CN 207866502 U CN207866502 U CN 207866502U CN 201721874593 U CN201721874593 U CN 201721874593U CN 207866502 U CN207866502 U CN 207866502U
- Authority
- CN
- China
- Prior art keywords
- motor
- bearing
- fixture
- spring
- alternating load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Of Engines (AREA)
Abstract
The utility model is related to a kind of type alternating load loading devices suitable for bearing tester, the bearing tester includes rotary shaft (1), bearing (2) is tested to be mounted in the rotary shaft (1), the loading device includes fixture (3), and the symmetrically arranged motor in fixture (3) both sides and spring assembly, wherein motor has (3) by spring rebound clip, and fixture (3) is clipped on subject bearing (2)；Motor controls spring and stretching or compressive deformation occurs, and applies alternating load to the subject bearing (2) in fixture (3).Compared with prior art, the utility model has many advantages, such as that internal combustion engine real working condition load may be implemented.
Description
Technical field
The utility model is related to a kind of loading devices of bearing tester, being suitable for bearing tester more particularly, to one kind
Type alternating load loading device.
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 is difficult to realize engine dynamic load axis with loading device
The alternating load load held.
Invention content
The purpose of this utility model is exactly to provide one kind in order to overcome the problems of the above-mentioned prior art and may be implemented
The type alternating load loading device suitable for bearing tester of the load of internal combustion engine real working condition load.
The purpose of this utility model can be achieved through the following technical solutions：A kind of alternation suitable for bearing tester
Load charger, the bearing tester include rotary shaft, and subject bearing is mounted in the rotary shaft, and feature exists
In the loading device includes the symmetrically arranged motor of fixture and fixture both sides and spring assembly, and wherein motor is connected by spring
Welding fixture, fixture are clipped on subject bearing；Motor controls spring and stretching or compressive deformation occurs, and is applied to the subject bearing in fixture
Add alternating load.
The symmetrically arranged motor and spring assembly are component A and component B, and wherein component A includes：Motor A and bullet
Spring A, the motor A pass through attachment device Ab jockeies by the one end attachment device Aa connecting spring A, the spring A other ends；
Component B includes：Motor B and spring B, for the motor B by the one end attachment device Ba connecting spring B, spring B is another
One end passes through attachment device Bb jockeies.
The motor A and motor B is linear motor.
The fixture is made of the upper fixture and lower fixture of mirror symmetry, upper fixture and lower fixture at bulk, and
The one side that upper fixture and lower fixture fit respectively sets a semicircular indentations, and the circumferential notch being combined into matches with subject bearing.
The upper fixture upper surface is plane, is connect with attachment device Ab, and a semi-circular recesses are equipped in lower surface, with
Subject bearing matches；The lower surface of lower fixture is plane, is connect with attachment device Bb, and upper surface is equipped with a semi-circular recesses,
Match with subject bearing.
The bearing tester further includes control system, which is connected with motor A and motor B, controls each electricity
The displacement of machine, meanwhile, control the rotary speed of rotary shaft.The displacement of linear motor is controlled by bearing tester control system
Amount, and then change the stretching/compressing amount of spring, the elastic force of spring is controlled, the load of bearing alternating load may be implemented.In conjunction with interior
The real working condition condition of combustion engine controls the variable quantity of the displacement and time of linear motor by bearing tester control system, can
To realize the load of internal combustion engine real working condition load.Contribute to carry out engine dynamic load using the bearing type alternating load loading device
Bearing test.
The motor and spring assembly can also be arranged it is multigroup, dispersion be connected to around fixture.
Bearing tester control system controls the rotation of rotary shaft, and bearing may be implemented with given rotation speed operation.Straight line
The change of displacement motor amount is controlled by bearing tester control system, and the change of linear motor displacement can influence spring
Stretching/compressing amount.Due to the change of the stretching/compressing amount of spring, spring can apply of different sizes, side in chucking surface
To variable active force.Bearing alternating download may be implemented by adding multiple linear motor-spring units in fixture different zones
The load of lotus.
Compared with prior art, the utility model has the following advantages：
1, the displacement of linear motor is controlled by computer, and then changes compression/amount of tension of spring, controls spring
The load of bearing alternating load may be implemented in elastic force.
2, in conjunction with the real working condition condition of internal combustion engine, the variation of the displacement and time of linear motor is controlled by computer
Amount, may be implemented the load of internal combustion engine real working condition load.Help to carry out using the bearing type alternating load loading device and start
Motor-driven load bearing test.
Description of the drawings
Fig. 1 is the alternating load load maintainer schematic diagram of the utility model.
In figure：1 is rotary shaft, and 2 be subject bearing, and 3 be fixture, and 4 be motor A, and 5 be attachment device Aa, and 6 be spring A, 7
It is attachment device Bb for attachment device Ab, 8,9 be spring B, and 10 be attachment device Ba, and 11 be motor B.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of type alternating load loading device suitable for bearing tester, the bearing tester include
Rotary shaft 1, subject bearing 2 are mounted in the rotary shaft 1, which includes that fixture 3 and 3 both sides of fixture are symmetrically set
The motor and spring assembly set, the component can be arranged as required to multigroup, be equipped with one group in the present embodiment, form up and down
Be arranged in 3 both sides of fixture, the fixture 3 is made of the upper fixture and lower fixture of mirror symmetry, upper fixture and lower fixture at
Bulk, and the one side to fit in upper fixture and lower fixture respectively sets a semicircular indentations, the circumferential notch being combined into and subject axis
2 are held to match.The upper fixture upper surface is plane, is connect with attachment device Ab7, and it is semicircle recessed that one is equipped in lower surface
Slot matches with subject bearing 2；The lower surface of lower fixture is plane, is connect with attachment device Bb8, and upper surface is equipped with a semicircle
Connected in star matches with subject bearing 2.
The symmetrically arranged motor and spring assembly are component A and component B, and wherein component A includes：Motor A4 and bullet
Spring A6, the motor A4 are connected by the one end attachment device Aa5 connecting spring A6, the spring A6 other ends by attachment device Ab7
Welding fixture 3；
Component B includes：Motor B11 and spring B 9, the motor B11 pass through attachment device Ba10 connecting springs B9 mono-
End, 9 other end of spring B pass through attachment device Bb8 jockeies 3.
The motor A4 and motor B11 is linear motor.
The bearing tester further includes control system, which is connected with motor A4 and motor B11, and control is each
The displacement of motor, and then change the stretching/compressing amount of spring, the elastic force of spring is controlled, bearing alternating load may be implemented
Load.Meanwhile the rotation of bearing tester control system control rotary shaft 1, bearing may be implemented with given rotation speed operation.Directly
The change of line displacement motor amount is controlled by bearing tester control system, and the change of linear motor displacement can influence bullet
The stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can chucking surface apply it is of different sizes,
The active force of direction-agile.Bearing alternation may be implemented by adding multiple linear motor-spring units in fixture different zones
The load of load.
Claims (7)
1. a kind of type alternating load loading device suitable for bearing tester, the bearing tester includes rotary shaft (1), quilt
It tries bearing (2) to be mounted in the rotary shaft (1), which is characterized in that the loading device includes fixture (3) and fixture (3) two
The symmetrically arranged motor in side and spring assembly, wherein motor have (3) by spring rebound clip, and fixture (3) is clipped in subject bearing (2)
On；Motor controls spring and stretching or compressive deformation occurs, and applies alternating load to the subject bearing (2) in fixture (3).
2. a kind of type alternating load loading device suitable for bearing tester according to claim 1, which is characterized in that institute
The symmetrically arranged motor and spring assembly stated are component A and component B, and wherein component A includes：Motor A (4) and spring A (6),
The motor A (4) passes through attachment device Ab by attachment device Aa (5) connecting spring A (6) one end, spring A (6) other ends
(7) jockey (3)；
Component B includes：Motor B (11) and spring B (9), the motor B (11) pass through attachment device Ba (10) connecting spring B
(9) one end, spring B (9) other end pass through attachment device Bb (8) jockey (3).
3. a kind of type alternating load loading device suitable for bearing tester according to claim 2, which is characterized in that institute
The motor A (4) and motor B (11) stated is linear motor.
4. a kind of type alternating load loading device suitable for bearing tester according to claim 2, which is characterized in that institute
The fixture (3) stated is made of the upper fixture and lower fixture of mirror symmetry, upper fixture and lower fixture at bulk, and in upper fixture and
The one side that lower fixture fits respectively sets a semicircular indentations, and the circumferential notch being combined into matches with subject bearing (2).
5. a kind of type alternating load loading device suitable for bearing tester according to claim 4, which is characterized in that institute
The upper fixture upper surface stated is plane, is connect with attachment device Ab (7), and a semi-circular recesses are equipped in lower surface, with subject axis
(2) are held to match；The lower surface of lower fixture is plane, is connect with attachment device Bb (8), and upper surface is equipped with a semi-circular recesses,
Match with subject bearing (2).
6. a kind of type alternating load loading device suitable for bearing tester according to claim 2, which is characterized in that institute
The bearing tester stated further includes control system, which is connected with motor A (4) and motor B (11), controls each motor
Displacement, meanwhile, the rotary speed of control rotary shaft (1).
7. a kind of type alternating load loading device suitable for bearing tester according to claim 2, which is characterized in that institute
The motor and spring assembly stated can also be arranged multigroup, and dispersion is connected to around fixture (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874593.XU CN207866502U (en) | 2017-12-28 | 2017-12-28 | A kind of type alternating load loading device suitable for bearing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874593.XU CN207866502U (en) | 2017-12-28 | 2017-12-28 | A kind of type alternating load loading device suitable for bearing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866502U true CN207866502U (en) | 2018-09-14 |
Family
ID=63463204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721874593.XU Expired - Fee Related CN207866502U (en) | 2017-12-28 | 2017-12-28 | A kind of type alternating load loading device suitable for bearing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866502U (en) |
-
2017
- 2017-12-28 CN CN201721874593.XU patent/CN207866502U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207866502U (en) | A kind of type alternating load loading device suitable for bearing tester | |
| CN108181106A (en) | Based on the radially alternating load charger of the bearing tester of crank connecting link | |
| CN108254192A (en) | Suitable for the type alternating load loading device of bearing tester | |
| CN208091698U (en) | It is a kind of based on the radially alternating load charger of the bearing tester of crank connecting link | |
| CN207866524U (en) | A kind of bearing tester type alternating load loading device based on lead screw transmission mechanism | |
| CN108254191A (en) | Bearing tester type alternating load loading device based on toggle | |
| CN207866506U (en) | A kind of radially alternating load charger of bearing tester | |
| CN108279123A (en) | The bearing test device for loading alternating load based on rack and pinion drive mechanism | |
| CN207866505U (en) | A kind of bearing tester type alternating load loading device based on toggle | |
| CN108254185A (en) | Apply the rolling bearing performance experimental rig of radially alternating load based on crank connecting link | |
| CN108152039A (en) | Apply the rolling bearing performance experimental rig of radially alternating load based on screw rod transmission | |
| CN108254189A (en) | The bearing test device for loading alternating load based on toggle | |
| CN207866500U (en) | The rolling bearing fatigue life pilot system of alternating load can be loaded | |
| CN207866493U (en) | The rolling bearing performance experimental rig for loading alternating load based on crank connecting link | |
| CN207866526U (en) | A kind of bearing tester type alternating load loading device based on rack pinion | |
| CN207866496U (en) | The bearing test device of the radially alternating load of application based on synchronous belt drive mechanism | |
| CN207866521U (en) | The rolling bearing fatigue life that rack pinion loads alternating load tests system | |
| CN207866497U (en) | The bearing test device for applying radially alternating load based on toggle | |
| CN108020417A (en) | The radially alternating load charger of bearing tester | |
| CN207866516U (en) | A kind of bearing test device loading alternating load | |
| CN108168888A (en) | A kind of bearing test device for loading alternating load | |
| CN208091697U (en) | It is a kind of based on the radially alternating load charger of the bearing tester of screw rod transmission | |
| CN207866519U (en) | A kind of rolling bearing performance experimental rig loading alternating load | |
| CN108254190A (en) | Based on the radially alternating load charger of the bearing tester of rack pinion | |
| CN108051207A (en) | The bearing test device for applying radially alternating load based on lead screw transmission mechanism |
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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |