CN207866506U - A kind of radially alternating load charger of bearing tester - Google Patents
A kind of radially alternating load charger of bearing tester Download PDFInfo
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- CN207866506U CN207866506U CN201721874634.5U CN201721874634U CN207866506U CN 207866506 U CN207866506 U CN 207866506U CN 201721874634 U CN201721874634 U CN 201721874634U CN 207866506 U CN207866506 U CN 207866506U
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- attachment device
- fixture
- bearing
- spring
- motor
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Abstract
The utility model is related to a kind of radially alternating load chargers of 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 motor and spring assembly of the axially symmetric and radial symmetric setting of fixture (3) surrounding setting, the motor and spring assembly being wherein axially and symmetrically arranged apply axial alternating load to the subject bearing (2) in fixture (3), the motor and spring assembly of radial symmetric setting apply radially 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, more particularly, to a kind of diameter of bearing tester
To 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 radially alternating load charger of the 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 bearing tester it is radially alternating
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 motor and groups of springs of the axially symmetric and radial symmetric setting of fixture and the setting of fixture surrounding
Part, wherein the motor and spring assembly that are axially and symmetrically arranged apply axial alternating load to the subject bearing in fixture, it is radial right
The motor and spring assembly for claiming setting apply radially alternating load to the subject bearing in fixture.
The motor and spring assembly includes component A, component B, component C and component D, and wherein component A and component D are axial
Fixture both sides up and down are symmetricly set on, component B and component C radial symmetrics are arranged at left and right sides of fixture.
The component A includes：Linear motor A, attachment device Aa, spring A and attachment device Ab, the motor A are logical
The one end attachment device Aa connecting spring A is crossed, the spring A other ends pass through attachment device Ab jockeies；
Component B includes：Linear motor B, attachment device Ba, spring B and attachment device Bb, the linear motor B pass through
The one end attachment device Ba connecting spring B, the spring B other end pass through attachment device Bb jockeies；
Component C includes：Linear motor C, attachment device Ca, spring C and attachment device Cb, the linear motor C pass through
The one end attachment device Ca connecting spring C, the spring C other ends pass through attachment device Cb jockeies；
Component D includes：Linear motor D, attachment device Da, spring D and attachment device Db, the linear motor D pass through
The one end attachment device Da connecting spring D, the spring D other ends pass through attachment device Db jockeies.
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 Db, and upper surface is equipped with a semi-circular recesses,
Match with subject bearing；
After upper fixture and lower fixture are closed, left side is connect with attachment device Bb, and right side is connect with attachment device Cb.
The bearing tester further includes control system, the control system and linear motor A, linear motor B, straight-line electric
Machine C, linear motor D are connected, and control the displacement of each motor, and then change the stretching/compressing amount of spring, control the bullet of spring
The load of bearing alternating load may be implemented in power, and in conjunction with the real working condition condition of internal combustion engine, linear motor is controlled by computer
Displacement and time variable quantity, the load of internal combustion engine real working condition load may be implemented.Utilize the radially alternating load of the bearing
Loading device helps to carry out engine dynamic load bearing test.
Bearing tester control system controls rotary shaft rotation, realizes bearing with given rotation speed operation.Meanwhile straight-line electric
The operation of machine A, linear motor B8, linear motor C and linear motor D are also controlled by bearing tester control system, straight-line electric
The change of machine displacement can influence the stretching/compressing amount of spring.Due to the change of the stretching/compressing amount of spring, spring can
To apply of different sizes, direction-agile active force in chucking surface.By adding multiple linear motors-in fixture different zones
The load of the radially alternating load of bearing may be implemented in spring unit.
Compared with prior art, the utility model has the following advantages：
1, the displacement of linear motor is controlled by computer, and then changes the stretching/compressing amount 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 radially alternating load charger of the bearing
Engine dynamic load bearing test.
Description of the drawings
Fig. 1 is the radially alternating load charger schematic diagram of the utility model.
In figure：1 is rotary shaft, and 2 be subject bearing, and 3 be fixture, and 4 be linear motor A, and 5 be attachment device Aa, and 6 be spring
A, 7 be attachment device Ab, and 8 be linear motor B, and 9 be attachment device Ba, and 10 be spring B, and 11 be attachment device Bb, and 12 be connection
Device Cb, 13 be spring C, and 14 be attachment device Ca, and 15 be linear motor C, and 16 be attachment device Db, and 17 be spring D, and 18 be company
Connection device Da, 19 be linear motor D.
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 radially alternating load charger of 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 surrounding of fixture are arranged
The motor and spring assembly of axially symmetric and radial symmetric setting, wherein the motor and spring assembly that are axially and symmetrically arranged are to fixture
Subject bearing 2 in 3 applies axial alternating load, and the motor and spring assembly of radial symmetric setting are to the subject axis in fixture 3
Hold the radially alternating load of 2 applications.
The motor and spring assembly includes component A, component B, component C and component D, and wherein component A and component D are axial
About 3 both sides of fixture, component B and the setting of component C radial symmetrics are symmetricly set in 3 left and right sides of fixture.
The component A includes：Linear motor A4, attachment device Aa5, spring A6 and attachment device Ab7, the motor
A4 passes through attachment device Ab7 jockeies 3 by the one end attachment device Aa5 connecting spring A6, the spring A6 other ends；
Component B includes：Linear motor B8, attachment device Ba9, spring B 10 and attachment device Bb11, the linear motor
B8 passes through attachment device Bb11 jockeies 3 by the one end attachment device Ba9 connecting spring B10,10 other end of spring B；
Component C includes：Linear motor C15, attachment device Ca14, spring C13 and attachment device Cb12, the straight-line electric
Machine C15 passes through attachment device Cb12 jockeies 3 by the one end attachment device Ca14 connecting spring C13, the spring C13 other ends；
Component D includes：Linear motor D19, attachment device Da18, spring D17 and attachment device Db16, the straight-line electric
Machine D19 passes through attachment device Db16 jockeies 3 by the one end attachment device Da18 connecting spring D17, the spring D17 other ends.
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 that upper fixture and lower fixture fit respectively sets a semicircular indentations, and the circumferential notch being combined into matches with subject bearing 2.
The upper fixture upper surface is plane, is connect with attachment device Ab7, 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 Db16, and upper surface is equipped with a semi-circular recesses, with quilt
Examination bearing 2 matches；After upper fixture and lower fixture are closed, left side is connect with attachment device Bb11, right side and attachment device Cb12
Connection.
The bearing tester further includes control system, the control system and linear motor A4, linear motor B8, straight line
Motor C15, linear motor D19 are connected, and control the displacement of each motor, and then change the stretching/compressing amount of spring, control spring
Elastic force, the load of bearing alternating load may be implemented, in conjunction with the real working condition condition of internal combustion engine, straight line is controlled by computer
The displacement of motor and the variable quantity of time, may be implemented the load of internal combustion engine real working condition load.It is radially alternating using the bearing
Load charger helps to carry out engine dynamic load bearing test.
Bearing tester control system controls rotary shaft 1 and rotates, and realizes bearing with given rotation speed operation.Meanwhile straight line
The operation of motor A 4, linear motor B 8, linear motor C 15 and linear motor D 19 are also by bearing tester control system
Control, the change of linear motor displacement can influence the stretching/compressing amount of spring.Since the stretching/compressing amount of spring changes
Become, spring will can apply of different sizes, direction-agile active force in chucking surface.It is more by being added in fixture different zones
The load of the radially alternating load of bearing may be implemented in a linear motor-spring unit.
Claims (6)
1. a kind of radially alternating load charger of 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) four
The motor and spring assembly of the axially symmetric and radial symmetric setting of week setting, wherein the motor and groups of springs that are axially and symmetrically arranged
Part applies axial alternating load to the subject bearing (2) in fixture (3), and the motor and spring assembly of radial symmetric setting are to fixture
(3) the subject bearing (2) in applies radially alternating load.
2. a kind of radially alternating load charger of bearing tester according to claim 1, which is characterized in that institute
The motor and spring assembly stated include component A, component B, component C and component D, and axially and symmetrically setting exists by wherein component A and component D
Both sides, component B and component C radial symmetrics are arranged at left and right sides of fixture (3) fixture (3) up and down.
3. a kind of radially alternating load charger of bearing tester according to claim 2, which is characterized in that institute
The component A stated includes：Linear motor A (4), attachment device Aa (5), spring A (6) and attachment device Ab (7), the motor A
(4) by attachment device Aa (5) connecting spring A (6) one end, spring A (6) other ends pass through attachment device Ab (7) jockey
(3)；
Component B includes：Linear motor B (8), attachment device Ba (9), spring B (10) and attachment device Bb (11), the straight line
Motor B (8) passes through attachment device Bb (11) by attachment device Ba (9) connecting spring B (10) one end, spring B (10) other end
Jockey (3)；
Component C includes：Linear motor C (15), attachment device Ca (14), spring C (13) and attachment device Cb (12), described is straight
Line motor C (15) passes through attachment device Cb by attachment device Ca (14) connecting spring C (13) one end, spring C (13) other ends
(12) jockey (3)；
Component D includes：Linear motor D (19), attachment device Da (18), spring D (17) and attachment device Db (16), described is straight
Line motor D (19) passes through attachment device Db by attachment device Da (18) connecting spring D (17) one end, spring D (17) other ends
(16) jockey (3).
4. a kind of radially alternating load charger of 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 radially alternating load charger of 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 Db (16), and upper surface is equipped with a semi-circular recesses,
Match with subject bearing (2)；
After upper fixture and lower fixture are closed, left side is connect with attachment device Bb (11), and right side is connect with attachment device Cb (12).
6. a kind of radially alternating load charger of bearing tester according to claim 2, which is characterized in that institute
The bearing tester stated further includes control system, the control system and linear motor A (4), linear motor B (8), linear motor C
(15), linear motor D (19) is connected, and controls the displacement of each motor, meanwhile, the rotary speed of control rotary shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874634.5U CN207866506U (en) | 2017-12-28 | 2017-12-28 | A kind of radially alternating load charger of bearing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874634.5U CN207866506U (en) | 2017-12-28 | 2017-12-28 | A kind of radially alternating load charger of bearing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866506U true CN207866506U (en) | 2018-09-14 |
Family
ID=63463223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721874634.5U Expired - Fee Related CN207866506U (en) | 2017-12-28 | 2017-12-28 | A kind of radially alternating load charger of bearing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866506U (en) |
-
2017
- 2017-12-28 CN CN201721874634.5U patent/CN207866506U/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 |