CN108254192A - Suitable for the type alternating load loading device of bearing tester - Google Patents
Suitable for the type alternating load loading device of bearing tester Download PDFInfo
- Publication number
- CN108254192A CN108254192A CN201711458520.7A CN201711458520A CN108254192A CN 108254192 A CN108254192 A CN 108254192A CN 201711458520 A CN201711458520 A CN 201711458520A CN 108254192 A CN108254192 A CN 108254192A
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- China
- Prior art keywords
- motor
- bearing
- fixture
- spring
- alternating load
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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)
- Testing Of Engines (AREA)
Abstract
The present invention relates to a kind of type alternating load loading devices suitable for bearing tester, the bearing tester includes rotary shaft (1), bearing (2) is tested 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 control spring occurs to stretch or compressive deformation, applies alternating load to the subject bearing (2) in fixture (3).Compared with prior art, the present invention has many advantages, such as to realize internal combustion engine real working condition load.
Description
Technical field
The present invention relates to a kind of loading device of bearing tester, more particularly, to a kind of friendship suitable for bearing tester
Varying load loading unit.
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 one of the most key 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 loading load of test bearing is tested as bearing tester, accuracy directly affect bearing
Result of the test.Bearing test device loading characteristic traditional at present is single, it is impossible to realize the loading of changeable load, and it is true interior
Dynamic load bearing is often in alternating load, therefore traditional bearing test is difficult to realize engine dynamic load axis with loading device in combustion engine
The alternating load loading held.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind can realize internal combustion
The type alternating load loading device suitable for bearing tester of the loading of machine real working condition load.
The purpose of the present invention can be achieved through the following technical solutions：A kind of alternating load suitable for bearing tester
Loading device, the bearing tester include rotary shaft, and subject bearing is mounted in the rotary shaft, which is characterized in that should
Loading device includes the symmetrically arranged motor of fixture and fixture both sides and spring assembly, and wherein motor passes through spring rebound clip
Tool, fixture are clipped on subject bearing；Motor control spring occurs to stretch or compressive deformation, and the subject bearing in fixture is applied and is handed over
Varying 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 attachment device Aa connecting spring A one end, the spring A other ends；
Component B includes：Motor B and spring B, for the motor B by attachment device Ba connecting spring B one end, 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 into 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, can realize the loading of bearing alternating load.With reference to interior
The real working condition condition of combustion engine controls the displacement of linear motor and the variable quantity of time by bearing tester control system, can
To realize the loading 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 set it is multigroup, dispersion be connected to around fixture.
Bearing tester control system controls the rotation of rotary shaft, and bearing can be realized 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 can be realized by adding multiple linear motor-spring units in fixture different zones
The loading of lotus.
Compared with prior art, the present invention has the following advantages：
1st, the displacement of linear motor is controlled by computer, and then changes compression/amount of tension of spring, controls spring
Elastic force can realize the loading of bearing alternating load.
2nd, with reference to the real working condition condition of internal combustion engine, the displacement of linear motor and the variation of time are controlled by computer
Amount, can realize the loading 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 present invention.
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 embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of type alternating load loading device suitable for bearing tester, the bearing tester includes
Rotary shaft 1, subject bearing 2 are mounted in the rotary shaft 1, which includes fixture 3 and 3 both sides of fixture are symmetrically set
The motor and spring assembly put, the component can be arranged as required to multigroup, be equipped with one group in the present embodiment, form up and down
Be arranged on 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 into
Bulk, and a semicircular indentations are respectively set in the one side that upper fixture and lower fixture fit, 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 attachment device Aa5 connecting spring A6 one end, 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, can realize bearing alternating load
Loading.Meanwhile the rotation of bearing tester control system control rotary shaft 1, bearing can be realized 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 can be realized by adding multiple linear motor-spring units in fixture different zones
The loading 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
Bearing (2) is tried 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 control spring occurs to stretch or compressive deformation, applies alternating load to the subject bearing (2) in fixture (3).
A kind of 2. 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).
A kind of 3. 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.
A kind of 4. 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 into 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).
A kind of 5. 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 being tested 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).
A kind of 6. 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).
A kind of 7. 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 set multigroup, and dispersion is connected to around fixture (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458520.7A CN108254192A (en) | 2017-12-28 | 2017-12-28 | Suitable for the type alternating load loading device of bearing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458520.7A CN108254192A (en) | 2017-12-28 | 2017-12-28 | Suitable for the type alternating load loading device of bearing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254192A true CN108254192A (en) | 2018-07-06 |
Family
ID=62724233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458520.7A Withdrawn CN108254192A (en) | 2017-12-28 | 2017-12-28 | Suitable for the type alternating load loading device of bearing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254192A (en) |
-
2017
- 2017-12-28 CN CN201711458520.7A patent/CN108254192A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180706 |