CN207456775U - Oscillating bearing axial limit load test fixture - Google Patents
Oscillating bearing axial limit load test fixture Download PDFInfo
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- CN207456775U CN207456775U CN201721582663.4U CN201721582663U CN207456775U CN 207456775 U CN207456775 U CN 207456775U CN 201721582663 U CN201721582663 U CN 201721582663U CN 207456775 U CN207456775 U CN 207456775U
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- bearing
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- pedestal
- oscillating bearing
- housing
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Abstract
The utility model belongs to Bearing testing technical field, it is related to a kind of oscillating bearing axial limit load test fixture, it includes housing, bearing, pressure head, pedestal and displacement sensor, bearing is the convex shape structure of inner hollow, housing is socketed in the outside of carrier top half point, the lower part of the inner surface of housing is contacted with the outer surface of carrier top half point, and the lower face of housing is contacted with the upper surface of the latter half of bearing, and oscillating bearing is mounted in the blind hole that housing is formed with bearing；Pressure head is mounted in the inner ring hole of oscillating bearing；Pedestal is the convex shape structure of inner hollow, and the top half of pedestal is nested into the hollow structure of the latter half of bearing, and the upper surface of the latter half of pedestal is contacted with the bottom surface of bearing；Displacement sensor sequentially passes through the middle part of pedestal and bearing, and the top of displacement sensor is contacted with the lower face of pressure head.Test fixture is designed as split type by the utility model, is easily installed, reduces difficulty of processing and cost.
Description
Technical field
The utility model belongs to Bearing testing technical field, is related to a kind of oscillating bearing axial limit load test fixture.
Background technology
Oscillating bearing is also known as spherical bearing, and basic model is by having the spherical inside and outside circle for sliding sphere-contact surface
Composition has the characteristics that load-carrying ability big, shock resistance, anticorrosive, wear-resistant, Self-aligning, lubricates good, is widely used in aviation and navigates
My god, engineering machinery, truck, water conservancy projects etc..According to its structure and the difference of type, radial load, axis can be born
To the load or radially, axially connected load of effect simultaneously.The installation requirement of oscillating bearing is, is ensureing radially to hold
While loading capability, bearing can bear axial force as big as possible, ensure staring torque, flexibility of revolution etc. of bearing from
It influences.
At present, the fixture used in oscillating bearing axial limit load test is by pedestal, oscillating bearing, pressure head, a position
The compositions such as displacement sensor.Oscillating bearing is mounted in the blind hole of pedestal, and pressure head is mounted in the inner ring hole of oscillating bearing, and displacement passes
Sensor is fixed on pedestal.In the test fixture, the blind hole on pedestal coordinates with oscillating bearing, is important working surface, right
Its structure snd size precision has the right angle of very high requirement, especially blind via bottom, tight to the size requirement of its knuckle
Lattice, should be smaller than the chamfering of oscillating bearing outer ring, and the chamfering of currently used oscillating bearing is up to 0.2mm, therefore it is required that transition
The radius of fillet should be much smaller than 0.2mm, and the internal diameter of blind hole also has required precision, and these requirements cause the difficulty of processing of blind hole
Greatly, high processing costs.
Moreover, current clamp structure is integration, weight is needed when carrying out the oscillating bearing experiment of different dimensions
New overall processing, adds experimentation cost.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of oscillating bearing axial limit loading test fixture, will
Test fixture is designed as split type, and simple in structure, difficulty of processing is small, reduces experimentation cost.
The utility model is realized in this way：
A kind of oscillating bearing axial limit load test fixture is passed including housing, bearing, pressure head, pedestal and displacement
Sensor, the housing are equipped with the undercut shape structure of through hole for middle part, and the bearing is the convex shape structure of inner hollow, described
Housing is socketed in the outside of the carrier top half point, and the lower part of the inner surface of the housing is outer with the carrier top half point
Surface contacts, and the lower face of the housing is contacted with the upper surface of the latter half of the bearing, and oscillating bearing is mounted on described
In the blind hole that housing is formed with the bearing, the top of the outer circle of the oscillating bearing is connected to the through hole in the middle part of the housing
Interior, the lower part of the outer circle of the oscillating bearing is connected in the through hole of the holder top；The pressure head is mounted on the joint
In the inner ring hole of bearing；The pedestal is the convex shape structure of inner hollow, and the top half of the pedestal is nested into the branch
In the hollow structure of the latter half of seat, the upper surface of the latter half of the pedestal is contacted with the bottom surface of the bearing；It is described
Displacement sensor sequentially passes through the middle part of the pedestal and bearing, the top of institute's displacement sensors and the lower face of the pressure head
Contact.
Preferably, the top half of the bearing is an integral molding structure with the latter half.
Preferably, the top half of the bearing is the cylindrical structural of inner hollow, the latter half of the bearing
Upper surface is equipped with the card slot coordinated with the top half of the bearing, and the lower end of the top half of the bearing is connected to described
In card slot.
Preferably, the first through hole of the hollow structure inside the bearing including top, second through hole at middle part and under
The third through-hole in portion, the first through hole are located at the inside of the top half of the bearing, second through hole and third through-hole
Positioned at the inside of the latter half of the bearing, the first through hole accommodates the lower part of the oscillating bearing and pressure head, described
Second through hole accommodates the top half of the pedestal, and the third through-hole accommodates the latter half of the pedestal.
Preferably, the diameter of the third through-hole is more than the diameter of the first through hole, and the diameter of the first through hole is big
In the diameter of second through hole.
Preferably, the pressure head is T-type structure, and the vertical portion of the pressure head is nested into the inner ring hole of the oscillating bearing
In.
Compared with prior art, the utility model has the advantages that：
1. test fixture is designed as split type by the utility model, blind hole is formed by housing and bearing, by the processing of blind hole
Become the processing of through hole and end face, moreover, the right angle of blind via bottom is without knuckle, without being carried out to the knuckle at this
Special processing, reduces difficulty of processing and cost；
2. test fixture is designed as split type by the utility model, pedestal is individually processed, and pedestal can be used for different sizes
The experiment of specification, nothing needs to change, versatile, and reduces processing cost and the experimentation cost of fixture.
Description of the drawings
Fig. 1 is the structure diagram of the oscillating bearing axial limit load test fixture of the utility model；
Fig. 2 is the structure diagram of another embodiment of the utility model.
Specific embodiment
The exemplary embodiment, feature and aspect of the utility model are described in detail below with reference to attached drawing.It is identical in attached drawing
Reference numeral represent functionally the same or similar element.Although the various aspects of embodiment are shown in the drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
As shown in Figure 1, the oscillating bearing axial limit load test fixture of the utility model, including housing 3, bearing 2,
Pressure head 4, pedestal 1 and displacement sensor 6, housing 3 are equipped with the undercut shape structure of through hole for middle part, and bearing 2 is inner hollow
Convex shape structure, housing 3 is socketed in the outside of 2 top half of bearing, lower part and 2 first half of bearing of the inner surface of housing 3
The outer surface contact divided, the lower face of housing 3 are contacted with the upper surface of the latter half of bearing 2, and oscillating bearing 5 is mounted on housing
In 3 blind holes formed with bearing 2, the top of the outer circle of oscillating bearing 5 is connected in the through hole at 3 middle part of housing, outside oscillating bearing 5
Round lower part is connected in the through hole on 2 top of bearing, and bearing 2 and housing 3 are respectively to oscillating bearing 5 with support；Pressure head 4 is T-shaped
Structure, the vertical portion of pressure head 4 are nested into the inner ring hole of oscillating bearing 5, and 4 top of pressure head is contacted with universal testing machine；Pedestal 1
For the convex shape structure of inner hollow, the top half of pedestal 1 is nested into the hollow structure of the latter half of bearing 2, pedestal 1
The upper surface of the latter half contacted with the bottom surface of bearing 2；Displacement sensor 6 sequentially passes through the middle part of pedestal 1 and bearing 2, position
The top of displacement sensor 6 is contacted with the lower face of pressure head 4.
In the present embodiment, the top half of bearing 2 and the latter half are an integral molding structure.The inner hollow of bearing 2
Structure includes first through hole 21, second through hole 22 at middle part and the third through-hole 23 of lower part on top, and first through hole 21 is located at
The inside of the top half of bearing 2, the second through hole 22 and third through-hole 23 are located at the inside of the latter half of bearing 2, threeway
The diameter in hole 23 is more than the diameter of first through hole 21, and the diameter of first through hole 21 is more than the diameter of the second through hole 22, first through hole
21 accommodate the lower part of oscillating bearing 5 and pressure head 4, and the second through hole 22 accommodates the top half of pedestal 1, and third through-hole 23 accommodates
There is the latter half of pedestal 1.
When carrying out oscillating bearing axial limit load test, by oscillating bearing 5 be packed into housing 3 and bearing 2 formed it is blind
Respectively to oscillating bearing 5 to support, pressure head 4 is fitted into the inner ring hole of oscillating bearing 5, displacement is passed for Kong Zhong, housing 3 and bearing 2
Sensor 6 is fixed on pedestal 1, and the position for adjusting displacement sensor 6 is allowed to contact with the lower face of pressure head 4.During experiment,
Displacement sensing is passed through according to load as defined in the application of corresponding program to pressure head 4 by universal testing machine or other loading equipemtns
The axial displacement variation of oscillating bearing 5 in the measurement of device 6 loading and uninstall process.
As shown in Fig. 2, in another embodiment, the top half of bearing 2 is the cylindrical structural of inner hollow, bearing 2
The upper surface of the latter half be equipped with the card slot 24 coordinated with the top half of bearing 2, the lower end card of the top half of bearing 2
It is connected in the card slot 24 of the latter half of bearing 2, the hollow structure inside of bearing 2 includes the first through hole 21 on top, middle part
Second through hole 22 and the third through-hole 23 of lower part, first through hole 21 are located at the inside of the top half of bearing 2, the second through hole 22
It is located at the inside of the latter half of bearing 2 with third through-hole 23, the diameter of third through-hole 23 is more than the diameter of first through hole 21, the
The diameter of one through hole 21 is more than the diameter of the second through hole 22, and first through hole 21 accommodates the lower part of oscillating bearing 5 and pressure head 4, the
Two through holes 22 accommodate the top half of pedestal 1, and third through-hole 23 accommodates the latter half of pedestal 1.
When carrying out oscillating bearing axial limit load test, the top half of bearing 2 is connected to the latter half of bearing 2
Upper surface card slot 24 in, the top half of bearing 2 forms blind hole with housing 2, oscillating bearing 5 is fitted into blind hole, housing 3
With bearing 2 respectively to oscillating bearing 5 to support, pressure head 4 is fitted into the inner ring hole of oscillating bearing 5, displacement sensor 6 is installed solid
It is scheduled on pedestal 1, and the position for adjusting displacement sensor 6 is allowed to contact with the lower face of pressure head 4.During experiment, pass through omnipotent examination
Machine or other loading equipemtns are tested to pressure head 4 according to load as defined in the application of corresponding program, passes through displacement sensor 6 and measures loading
Change with the axial displacement of oscillating bearing in uninstall process 5.Carrying out the oscillating bearing axial limit load of different dimensions
During experiment, only need to the upper of bearing can be re-worked according to the size of oscillating bearing without the latter half for needing to change pedestal and bearing
Half part and housing reduce difficulty of processing and cost.
To sum up, for the test fixture of the utility model when for the oscillating bearing of different dimensions, nothing needs to change pedestal,
Only need to change the housing and bearing of appropriate size.Compared with the prior art, integral type is changed to split type by the utility model
Blind hole in original pedestal is decomposed into the blind hole that housing and bearing are formed, the processing of blind hole is become through hole and end by design
The processing in face, moreover, the right angle of blind via bottom is without knuckle, without carrying out special processing to the knuckle at this,
Difficulty of processing and cost are reduced, is easily installed.
Finally it should be noted that：Above-described each embodiment be merely to illustrate the technical solution of the utility model rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art
It should be understood that：It can still modify to the technical solution recorded in previous embodiment or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is not made to depart from the utility model
The scope of each embodiment technical solution.
Claims (6)
1. a kind of oscillating bearing axial limit load test fixture, including housing, bearing, pressure head, pedestal and displacement sensing
Device, it is characterised in that：
The housing is equipped with the undercut shape structure of through hole for middle part, and the bearing is the convex shape structure of inner hollow, described
Housing is socketed in the outside of the carrier top half point, and the lower part of the inner surface of the housing is outer with the carrier top half point
Surface contacts, and the lower face of the housing is contacted with the upper surface of the latter half of the bearing, and oscillating bearing is mounted on described
In the blind hole that housing is formed with the bearing, the top of the outer circle of the oscillating bearing is connected to the through hole in the middle part of the housing
Interior, the lower part of the outer circle of the oscillating bearing is connected in the through hole of the holder top；
The pressure head is mounted in the inner ring hole of the oscillating bearing；
The pedestal is the convex shape structure of inner hollow, and the top half of the pedestal is nested into the latter half of the bearing
Hollow structure in, the upper surface of the latter half of the pedestal is contacted with the bottom surface of the bearing；
Institute's displacement sensors sequentially pass through the middle part of the pedestal and bearing, top and the pressure head of institute's displacement sensors
Lower face contact.
2. oscillating bearing axial limit load test fixture according to claim 1, it is characterised in that：The bearing it is upper
Half part is an integral molding structure with the latter half.
3. oscillating bearing axial limit load test fixture according to claim 1, it is characterised in that：The bearing it is upper
Half portion is divided into the cylindrical structural of inner hollow, and the upper surface of the latter half of the bearing is equipped with the upper half with the bearing
The card slot of part cooperation, the lower end of the top half of the bearing is connected in the card slot.
4. the oscillating bearing axial limit load test fixture according to claim 1,2 or 3, it is characterised in that：The branch
Hollow structure inside seat includes first through hole, second through hole at middle part and the third through-hole of lower part on top, and described first
Through hole is located at the inside of the top half of the bearing, and second through hole and third through-hole are located at the latter half of the bearing
Inside, the first through hole accommodates the lower part of the oscillating bearing and pressure head, and second through hole accommodates the pedestal
Top half, the third through-hole accommodates the latter half of the pedestal.
5. oscillating bearing axial limit load test fixture according to claim 4, it is characterised in that：The third through-hole
Diameter be more than the diameter of the first through hole, the diameter of the first through hole is more than the diameter of second through hole.
6. oscillating bearing axial limit load test fixture according to claim 1, it is characterised in that：The pressure head is T
Type structure, the vertical portion of the pressure head are nested into the inner ring hole of the oscillating bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721582663.4U CN207456775U (en) | 2017-11-23 | 2017-11-23 | Oscillating bearing axial limit load test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721582663.4U CN207456775U (en) | 2017-11-23 | 2017-11-23 | Oscillating bearing axial limit load test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207456775U true CN207456775U (en) | 2018-06-05 |
Family
ID=62278253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721582663.4U Active CN207456775U (en) | 2017-11-23 | 2017-11-23 | Oscillating bearing axial limit load test fixture |
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| CN (1) | CN207456775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677476A (en) * | 2017-11-23 | 2018-02-09 | 中国航空综合技术研究所 | Oscillating bearing axial limit load test fixture |
-
2017
- 2017-11-23 CN CN201721582663.4U patent/CN207456775U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677476A (en) * | 2017-11-23 | 2018-02-09 | 中国航空综合技术研究所 | Oscillating bearing axial limit load test fixture |
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