CN208185208U - A kind of universal spherical joint of repeatitive loading tests - Google Patents
A kind of universal spherical joint of repeatitive loading tests Download PDFInfo
- Publication number
- CN208185208U CN208185208U CN201820738872.1U CN201820738872U CN208185208U CN 208185208 U CN208185208 U CN 208185208U CN 201820738872 U CN201820738872 U CN 201820738872U CN 208185208 U CN208185208 U CN 208185208U
- Authority
- CN
- China
- Prior art keywords
- ball
- ball base
- assembly space
- bulb
- connecting portion
- 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
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a kind of universal spherical joints of repeatitive loading tests, it includes upper ball base, lower ball base, bulb, pressing plate, ball pad；The upper ball base is fixedly connected by fastener one with lower ball base；Ball pad is located between upper ball base, lower ball base；The inside of upper ball base and lower ball base forms bulb assembly space；The lower end of bulb assembly space is equipped with the horn opening expanded outwardly；Bulb includes ball and cylindrical connecting portion；Cylindrical connecting portion is located at the lower part of ball；Ball is located in bulb assembly space, and can be freely rotated in bulb assembly space；Cylindrical connecting portion extends to the outside of bulb assembly space；The bottom of cylindrical connecting portion is fixedly connected with the pressing plate by fastener two；The utility model has biggish turning power, and rotational angle is even higher up to 20 degree, meets the deformation requirements on test specimen top.
Description
Technical field
The utility model relates to structure load test equipment technology fields, and in particular to the ten thousand of a kind of repeatitive loading tests
To flexural pivot.
Background technique
In structure load test, especially bilateral loading when, as shown in Figure 1, being wanted between vertical jack and test specimen
It is connected by flexural pivot, to guarantee that when test specimen top is subjected to displacement and rotates, vertical jack is with upper when horizontal actuator loads
While portion's sliding machine translates, the vertical force of generation can keep acting on test specimen top with uniform-compression state by flexural pivot.
This is the specific needs of test load.
In this course, higher performance requirement is proposed to the flexural pivot between vertical jack and test specimen, one is flexural pivot
The strength and stiffness of itself must be met the requirements, and this respect is to be guaranteed according to rated load through strength and stiffness calculating；Its
Second is that flexural pivot will have enough turning powers, to meet the deformation requirements on test specimen top, so how to guarantee that flexural pivot has enough
Turning power be a design difficulty.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, design is closed
The universal spherical joint of reason, repeatitive loading tests easy to use, has a biggish turning power, rotational angle up to 20 degree even
It is higher.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes upper ball base, lower ball base, bulb, pressure
Plate, ball pad；The upper ball base is fixedly connected by fastener one with lower ball base；Ball pad is located between upper ball base, lower ball base；On
The inside of ball seat and lower ball base forms bulb assembly space；The lower end of bulb assembly space is equipped with tubaeform opening of expanding outwardly
Mouthful；Bulb includes ball and cylindrical connecting portion；Cylindrical connecting portion is located at the lower part of ball；Ball is located at
In bulb assembly space, and it can be freely rotated in bulb assembly space；Cylindrical connecting portion extends to bulb assembly space
Outside；The bottom of cylindrical connecting portion is fixedly connected with the pressing plate by fastener two；
Preferably, the bulb is integral type shaped structure；
Preferably, on the inner wall of the assembly space and outer surface of ball is coated with lubricating oil；
Preferably, the ball pad uses the annular ball pad by processing of turning blue；The annular diameters of annular ball pad are greater than ball
The diameter of shape ontology；
Preferably, the section of the horn opening in the axial direction is isosceles trapezoid；The waist of isosceles trapezoid and bottom
Angle between side is 60-70 degree；
Preferably, elastic washer one is equipped between fastener one and lower ball base；Elasticity is equipped between fastener two and pressing plate
Washer two.
After adopting the above structure, the utility model has the beneficial effect that a kind of repeatitive loading tests described in the utility model
Universal spherical joint has biggish turning power, and rotational angle is even higher up to 20 degree, and the deformation for meeting test specimen top is wanted
It asks, and has many advantages, such as that structure is simple, setting is reasonable, low manufacture cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the status diagram after bulb rotation.
Description of symbols:
1, pressing plate；2, fastener one；3, lower ball base；4, ball pad；5, upper ball base；6, bulb；7, fastener two；3-1, loudspeaker
Shape opening；6-1, ball；6-2, cylindrical connecting portion.
Specific embodiment
With reference to the accompanying drawing, the utility model is further described.
Referring to shown in Fig. 1-2, present embodiment the technical solution adopted is that: it includes upper ball base 5, lower ball base 3, ball
First 6, pressing plate 1, ball pad 4；The upper ball base 5 is fixedly connected by fastener 1 with lower ball base 3；Ball pad 4 be located at upper ball base 5,
Between lower ball base 3；The inside of upper ball base 5 and lower ball base 3 forms bulb assembly space；The lower end of bulb assembly space is equipped with outside
The horn opening 3-1 of expansion；Bulb 6 includes ball 6-1 and cylindrical connecting portion 6-2；Cylindrical connecting portion 6-2 is located at
The lower part of ball 6-1；Ball 6-1 is located in bulb assembly space, and can be freely rotated in bulb assembly space；
Cylindrical connecting portion 6-2 extends to the outside of bulb assembly space；The bottom of cylindrical connecting portion 6-2 by fastener 27 with
Pressing plate 1 is fixedly connected；
The bulb 6 is integral type shaped structure；
On the inner wall of the assembly space and outer surface of ball 6-1 is coated with lubricating oil；
The ball pad 4 is using the annular ball pad by processing of turning blue；The annular diameters of annular ball pad are greater than ball
The diameter of 6-1；
The section of the horn opening 3-1 in the axial direction is isosceles trapezoid；The waist of isosceles trapezoid and bottom it
Between angle theta be 70 degree；
Elastic washer one is equipped between fastener 1 and lower ball base 3；Elastic washer is equipped between fastener 27 and pressing plate 1
Two.
After adopting the above scheme, the utility model has the beneficial effect that a kind of repeatitive loading tests described in the utility model
Universal spherical joint has biggish turning power, and rotational angle is even higher up to 20 degree, and the deformation for meeting test specimen top is wanted
It asks, and has many advantages, such as that structure is simple, setting is reasonable, low manufacture cost.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of universal spherical joint of repeatitive loading tests, it is characterised in that it includes upper ball base, lower ball base, bulb, pressing plate, ball
Pad；The upper ball base is fixedly connected by fastener one with lower ball base；Ball pad is located between upper ball base, lower ball base；Upper ball base
Bulb assembly space is formed with the inside of lower ball base；The lower end of bulb assembly space is equipped with the horn opening expanded outwardly；Ball
Head includes ball and cylindrical connecting portion；Cylindrical connecting portion is located at the lower part of ball；Ball is located at bulb
In assembly space, and it can be freely rotated in bulb assembly space；Cylindrical connecting portion extends to the outside of bulb assembly space；
The bottom of cylindrical connecting portion is fixedly connected with the pressing plate by fastener two.
2. a kind of universal spherical joint of repeatitive loading tests according to claim 1, it is characterised in that the bulb is
Integral type shaped structure.
3. a kind of universal spherical joint of repeatitive loading tests according to claim 1, it is characterised in that assembly space it is interior
On the wall and outer surface of ball is coated with lubricating oil.
4. a kind of universal spherical joint of repeatitive loading tests according to claim 1, it is characterised in that the ball pad is adopted
With the annular ball pad by processing of turning blue；The annular diameters of annular ball pad are greater than the diameter of ball.
5. a kind of universal spherical joint of repeatitive loading tests according to claim 1, it is characterised in that described is tubaeform
The section of opening in the axial direction is isosceles trapezoid；Angle between the waist and bottom of isosceles trapezoid is 60-70 degree.
6. a kind of universal spherical joint of repeatitive loading tests according to claim 1, it is characterised in that fastener one is under
Elastic washer one is equipped between ball seat；Elastic washer two is equipped between fastener two and pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820738872.1U CN208185208U (en) | 2018-05-11 | 2018-05-11 | A kind of universal spherical joint of repeatitive loading tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820738872.1U CN208185208U (en) | 2018-05-11 | 2018-05-11 | A kind of universal spherical joint of repeatitive loading tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208185208U true CN208185208U (en) | 2018-12-04 |
Family
ID=64431075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820738872.1U Expired - Fee Related CN208185208U (en) | 2018-05-11 | 2018-05-11 | A kind of universal spherical joint of repeatitive loading tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208185208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749977A (en) * | 2020-05-30 | 2020-10-09 | 贵州卡西马科技有限公司 | Be applied to dustproof rust-resistant bulb subassembly of car |
-
2018
- 2018-05-11 CN CN201820738872.1U patent/CN208185208U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749977A (en) * | 2020-05-30 | 2020-10-09 | 贵州卡西马科技有限公司 | Be applied to dustproof rust-resistant bulb subassembly of car |
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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: 20181204 Termination date: 20190511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |