CN107761551A - A kind of fixed screw anti-pulling pot rubber bearing - Google Patents
A kind of fixed screw anti-pulling pot rubber bearing Download PDFInfo
- Publication number
- CN107761551A CN107761551A CN201610683846.9A CN201610683846A CN107761551A CN 107761551 A CN107761551 A CN 107761551A CN 201610683846 A CN201610683846 A CN 201610683846A CN 107761551 A CN107761551 A CN 107761551A
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- Prior art keywords
- pulling
- rubber bearing
- annular
- fixed screw
- screw
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of fixed screw anti-pulling pot rubber bearing, and it includes：Bottom basin, the wherein side of the bottom basin is surface, and opposite side has annular groove and boss, and running through in the boss has through hole；Annular bearing plate, it is arranged in the annular groove of the bottom basin；Piston, it blocks the annular bearing plate in the annular groove of the bottom basin, and the center of the piston is provided with screwed hole；And anti-pulling screw, it sequentially passes through the screwed hole of the through hole on the chassis and the piston, and the anti-pulling screw is threadedly coupled with described screwed hole.For the present invention while preventing the separation of bearing up-down structure from realizing anti-pulling, anti-pulling structure is from beginning to end sphere-contact with support part, no moment impact collision, so as to overcome the additional hazard that stroke impact endurance test shock is brought to bridge.
Description
Technical field
The present invention relates to a kind of bearing for Bridge Seismic, more particularly to a kind of fixed screw anti-pulling basin type rubber
Bearing.
Background technology
Bearing is provided between the superstructure of bridge and pier top, and the various loads of superstructure are delivered into pier
On, and adapt to bridge five big parts (bridge span structure, support system, bridge pier, abutment, the pier base of horizontal displacement caused by bridge
One of plinth).Pot rubber bearing is one of bearing main Types, is made up of, relies on elements such as bottom basin, piston, rubber bearing plates
Its simple structure, the features such as flexible, cost is low is rotated, be widely used in high-speed railway bridge, highway bridge and building
Subtract the engineering fields such as shock insulation.
In traditional fixed pot rubber bearing structure, the part for connecting beam body and the part for being connected bridge pier are without vertical
When carrying or pulling up pull out force, can freely it separate up and down.When the factors such as wind, earthquake produce a upward effect to beam body
During power, separation, collision will be produced between bearing up-down structure element, influences the bearing life-span, beam body can take off with bridge pier when serious
From, cause bridge collapse, directly jeopardize bridge driving and pedestrains safety.
Existing anti-pulling fixed pot rubber bearing, resist to not influence bearing in design corner internal rotation, setting
There is preset clearance in drawing block, cause realizing the moment of drawing function, tension pulling block must be first along pulling capacity with support part
After direction produces certain stroke, it can be contacted with support part and locked realize anti-pulling later.Existing anti-pulling fixed benzvalene form
Rubber support technical disadvantages：In order to not interfere bearing in design corner internal rotation and influence the main original function of bearing, tension
Pulling block exists with support part is reserved with gap, does not have anti-pulling pretightning force, causes realizing the moment of drawing function, anti-pulling
After block first must produce certain stroke, can be contacted with support part it is locked realized anti-pulling function later, it is strong caused by this
Large impact and vibrations, very big harm will be produced to bridge, and influence bearing service life.Further, since need to be in bearing surrounding
Anti-pulling structure is set up, compared with traditional bearing, volume and weight significantly increases the volume of existing anti-pulling fixing pot type supporting seat,
Cost of goods manufactured increases therewith, and is unfavorable for the bearing installation of the limited small dimension size deck-siding bridge of installing space.
In consideration of it, the present inventor designs a kind of fixed screw anti-pulling pot rubber bearing, it is being prevented
While anti-pulling is realized in the separation of bearing up-down structure, anti-pulling structure is sphere-contact with support part from beginning to end, nothing
Moment impact collides, so as to overcome the additional hazard that stroke impact endurance test shock is brought to bridge.
The content of the invention
It is an object of the invention to provide a kind of fixed screw anti-pulling pot rubber bearing, and it is tied above and below prevention bearing
While anti-pulling is realized in the separation of structure, anti-pulling structure is from beginning to end sphere-contact with support part, and no moment impact touches
Hit, so as to overcome the additional hazard that stroke impact endurance test shock is brought to bridge.
For the above-mentioned purpose, the present invention provides a kind of fixed screw anti-pulling pot rubber bearing, and it includes：
Bottom basin, the wherein side of the bottom basin is surface, and opposite side has annular groove and boss, run through in the boss
There is through hole；
Annular bearing plate, it is arranged in the annular groove of the bottom basin；
Piston, it blocks the annular bearing plate in the annular groove of the bottom basin, and the center of the piston is provided with
Screwed hole；And
Anti-pulling screw, it sequentially passes through the screwed hole of the through hole on the chassis and the piston, and the tension
Screw is pulled out to be threadedly coupled with described screwed hole.
Described fixed screw anti-pulling pot rubber bearing, wherein, between the anti-pulling screw and the through hole are
Gap coordinates.
Described fixed screw anti-pulling pot rubber bearing, wherein, the outer rim position of the annular bearing plate is set
There is the first internal sealed ring caulking groove of annular, for setting the first internal sealed ring in it.
Described fixed screw anti-pulling pot rubber bearing, wherein, the inner edge position of the annular bearing plate is set
There is the second internal sealed ring caulking groove of annular, for setting the second internal sealed ring in it.
Described fixed screw anti-pulling pot rubber bearing, wherein, the middle position on the chassis is additionally provided with ball
Face groove, the anti-pulling screw are placed through the moving block in the spherical groove.
Described fixed screw anti-pulling pot rubber bearing, wherein, the moving block is hemispherical.
Described fixed screw anti-pulling pot rubber bearing, wherein, the moving block and the spherical groove sphere
Contact.
Described fixed screw anti-pulling pot rubber bearing, wherein, it is heavy that the middle position on the chassis is additionally provided with
Hole, the head of screw of the anti-pulling screw are located in the counterbore.
Described fixed screw anti-pulling pot rubber bearing, wherein, the head of screw of the anti-pulling screw with it is described
Counterbore coordinates for gap.
Described fixed screw anti-pulling pot rubber bearing, wherein, the annular bearing plate is made up of rubber.
Anti-pulling structure of the invention by improving existing anti-pulling fixed pot rubber bearing, preventing above and below bearing
While anti-pulling is realized in the separation of structure, duplicate invoice low with support part connects (sphere-contact), nothing to anti-pulling structure from beginning to end
Moment impact collides, so as to overcome the additional hazard that stroke impact endurance test shock is brought to bridge.The present invention contacts without higher pair, and overcoming should
Power is concentrated, and wear-resistant, durable is reliable and stable.Further, since anti-pulling structure setting is inside bearing, to bearing profile
Effect of structural dimension is smaller, compact-sized, is easily installed.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the structural representation according to a kind of fixed screw anti-pulling pot rubber bearing of the present invention；
Fig. 2 is the sectional view according to the bottom basin of the present invention.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As described in Figure 1, the present invention provides a kind of fixed screw anti-pulling pot rubber bearing, and it mainly includes：Tension
Pull out screw 1, bottom basin 2, ring-shaped rubber bearing plate 4, the first internal sealed ring 3, the second internal sealed ring 5, piston 6 and moving block 7.
Wherein, the bottom basin 2 is mutually inserted with the piston 6, and the two can phase by the anti-pulling screw 1 realization
To rotationally connecting.
It is specific as shown in Fig. 2 the wherein side of the bottom basin 2 is more even curface 21, opposite side have be used for
The annular groove 22 and boss 23 that the ring-shaped rubber bearing plate 4 and piston 6 coordinate.In the surface 21 on the chassis 2
Centre is set and boss 23 is disposed with counterbore 25, spherical groove 26 and the through hole 24 passed through for anti-pulling screw 1, described
Through hole 24 coordinates with the gap of anti-pulling screw 1.
The ring-shaped rubber bearing plate 4 is arranged in the annular groove 22 of the bottom basin 2, and by piston 6 by annular rubber
Glue bearing plate 4 is blocked in the annular groove 22 of bottom basin 2.Preferably, the outer rim position of the ring-shaped rubber bearing plate 4 is provided with
First internal sealed ring caulking groove (not indicated in figure) of annular, for setting the first internal sealed ring 3, the energy of the first internal sealed ring 3 in it
It is enough effectively to prevent deformation quantity great rubber bodies during the compression of ring-shaped rubber bearing plate 4 from being extruded out from cylindrical；And the ring
The inner edge position of shape rubber bearing plate 4 is provided with the second internal sealed ring caulking groove (not indicated in figure) of annular, for being set in it
Rubber bodies are from inner edge position when second internal sealed ring 5, second internal sealed ring 5 can effectively prevent the ring-shaped rubber bearing plate 4 from being pressurized
It is extruded out.As seen from the above technical solution, due to being acted on by the pretension of rubber bearing plate, anti-pulling screw in bearing just
Combined closely all the time with support body during normal use, during anti-pulling can smooth transition, stroke impact will not be produced.
Preferably, the ring-shaped rubber bearing plate 4 is of rubber except can be made, and other deformation quantities can also be used big
Material is made.
The middle position of the piston 6 is provided with screwed hole, and it is used to be threadedly coupled with the anti-pulling screw 1, so as to
Realize linkage.Anti-pulling screw 1 connects bottom basin 2 and piston 6, when bearing is by upward pulling force, can avoid living
Plug 6, ring-shaped rubber bearing plate 4, bottom basin 2 are mutually disengaged, so as to realize the anti-pulling function of bearing.
The moving block 7 is substantially hemispherical, and it is located in the spherical groove 26 on the top of bottom basin 2, and with the sphere
The sphere-contact of groove 26, the anti-pulling screw 1 sequentially pass through the moving block 7 and through hole 24 and connected with the screw thread of piston 6
Connect.The tension pull out force of rubber support is delivered to anti-pulling screw 1 by the moving block 7 by bottom basin 2, and the design for adapting to bearing turns
Angle requires.Because the moving block 7 with the spherical groove 26 of bottom basin 2 is sphere-contact (i.e. low pair contacts), thus can realize and
Corner requirement of the pot rubber bearing in scope of design is adapted to, avoids stress concentration, it is wear-resistant.
The head of screw of the anti-pulling screw 1 is located in the counterbore 25, avoids stretching out in outside the surface 21 of bottom basin 2.
In addition, respectively there is preset clearance in the counterbore 25 with bottom basin 2, through hole 24 for the head of screw of the anti-pulling screw 1, screw rod, so as to
Adapt to the rotating requires under bearing normal operating conditions.Furthermore the anti-pulling screw 1 can be adopted according to the size of tension pull out force
With different nominal diameters, material, strength grade.
The present invention operation principle be：
Ring-shaped rubber bearing plate 4 is placed in the annular groove 22 of bottom basin 2 first, and in ring-shaped rubber bearing plate 4
Outer rim position and inner edge position install the first internal sealed ring 3 and the second internal sealed ring 5 respectively, then piston 6 is embedded into the ring
In connected in star 22, finally the anti-pulling screw 1 is inserted from the surface 21 of bottom basin 2, sequentially passes through the moving block 7 and through hole
24 with the screwed hole in the center of piston 6 so as to be threadedly coupled, so that anti-pulling screw 1 can be relative to bottom basin 2
Rotate, but linked with the piston 6.
Anti-pulling structure of the invention by improving existing anti-pulling fixed pot rubber bearing, preventing above and below bearing
While anti-pulling is realized in the separation of structure, duplicate invoice low with support part connects (sphere-contact), nothing to anti-pulling structure from beginning to end
Moment impact collides, so as to overcome the additional hazard that stroke impact endurance test shock is brought to bridge.The present invention contacts without higher pair, and overcoming should
Power is concentrated, and wear-resistant, durable is reliable and stable.Further, since anti-pulling structure setting is inside bearing, to bearing profile
Effect of structural dimension is smaller, compact-sized, is easily installed.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
- A kind of 1. fixed screw anti-pulling pot rubber bearing, it is characterised in that including：Bottom basin, the wherein side of the bottom basin are surface, and opposite side has annular groove and a boss, logical through having in the boss Hole；Annular bearing plate, it is arranged in the annular groove of the bottom basin；Piston, it blocks the annular bearing plate in the annular groove of the bottom basin, and the center of the piston is provided with screw thread Hole；AndAnti-pulling screw, it sequentially passes through the screwed hole of the through hole on the chassis and the piston, and the anti-pulling spiral shell Nail is threadedly coupled with described screwed hole.
- 2. fixed screw anti-pulling pot rubber bearing according to claim 1, it is characterised in that the anti-pulling spiral shell Nail coordinates with the through hole for gap.
- 3. fixed screw anti-pulling pot rubber bearing according to claim 1, it is characterised in that the annular bearing The outer rim position of plate is provided with the first internal sealed ring caulking groove of annular, for setting the first internal sealed ring in it.
- 4. fixed screw anti-pulling pot rubber bearing according to any one of claim 1 to 3, it is characterised in that The inner edge position of the annular bearing plate is provided with the second internal sealed ring caulking groove of annular, for setting the second internal sealed ring in it.
- 5. fixed screw anti-pulling pot rubber bearing according to claim 1, it is characterised in that in the chassis Centre position is additionally provided with spherical groove, and the anti-pulling screw is placed through the moving block in the spherical groove.
- 6. fixed screw anti-pulling pot rubber bearing according to claim 5, it is characterised in that the moving block is in Hemispherical.
- 7. fixed screw anti-pulling pot rubber bearing according to claim 6, it is characterised in that the moving block with The spherical groove sphere-contact.
- 8. fixed screw anti-pulling pot rubber bearing according to claim 1, it is characterised in that in the chassis Centre position is additionally provided with counterbore, and the head of screw of the anti-pulling screw is located in the counterbore.
- 9. fixed screw anti-pulling pot rubber bearing according to claim 8, it is characterised in that the anti-pulling spiral shell The head of screw of nail coordinates with the counterbore for gap.
- 10. fixed screw anti-pulling pot rubber bearing according to claim 1, it is characterised in that the annular is held Pressing plate is made up of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683846.9A CN107761551A (en) | 2016-08-18 | 2016-08-18 | A kind of fixed screw anti-pulling pot rubber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683846.9A CN107761551A (en) | 2016-08-18 | 2016-08-18 | A kind of fixed screw anti-pulling pot rubber bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107761551A true CN107761551A (en) | 2018-03-06 |
Family
ID=61262244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610683846.9A Withdrawn CN107761551A (en) | 2016-08-18 | 2016-08-18 | A kind of fixed screw anti-pulling pot rubber bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107761551A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652958A (en) * | 2021-09-07 | 2021-11-16 | 株洲时代新材料科技股份有限公司 | Tensile basin-pulling type support |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201873943U (en) * | 2010-09-28 | 2011-06-22 | 成都市新筑路桥机械股份有限公司 | Fixed shock absorber for bridge |
| JP5391258B2 (en) * | 2011-12-02 | 2014-01-15 | 株式会社Ｉｈｉインフラシステム | Input discrimination device |
| CN204825622U (en) * | 2015-07-22 | 2015-12-02 | 安徽尚德科技有限公司 | Elastoplasticity steel damping benzvalene form support is pulled out to tensile |
| CN105484151A (en) * | 2015-12-04 | 2016-04-13 | 郑州大学 | Structure for enhancing connection among prefabricated concrete segments and construction method thereof |
| CN205205646U (en) * | 2015-12-04 | 2016-05-04 | 郑州大学 | Structure of reinforcing prefabricated segment formula concrete bridge intersegmental connection of festival |
-
2016
- 2016-08-18 CN CN201610683846.9A patent/CN107761551A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201873943U (en) * | 2010-09-28 | 2011-06-22 | 成都市新筑路桥机械股份有限公司 | Fixed shock absorber for bridge |
| JP5391258B2 (en) * | 2011-12-02 | 2014-01-15 | 株式会社Ｉｈｉインフラシステム | Input discrimination device |
| CN204825622U (en) * | 2015-07-22 | 2015-12-02 | 安徽尚德科技有限公司 | Elastoplasticity steel damping benzvalene form support is pulled out to tensile |
| CN105484151A (en) * | 2015-12-04 | 2016-04-13 | 郑州大学 | Structure for enhancing connection among prefabricated concrete segments and construction method thereof |
| CN205205646U (en) * | 2015-12-04 | 2016-05-04 | 郑州大学 | Structure of reinforcing prefabricated segment formula concrete bridge intersegmental connection of festival |
Non-Patent Citations (1)
| Title |
|---|
| 蒋瑞秋: ""抗拉拔盆式橡胶支座结构研究"", 《铁道建筑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652958A (en) * | 2021-09-07 | 2021-11-16 | 株洲时代新材料科技股份有限公司 | Tensile basin-pulling type support |
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| 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: 20180306 |