CN207793861U - Active bearing - Google Patents
Active bearing Download PDFInfo
- Publication number
- CN207793861U CN207793861U CN201820180387.7U CN201820180387U CN207793861U CN 207793861 U CN207793861 U CN 207793861U CN 201820180387 U CN201820180387 U CN 201820180387U CN 207793861 U CN207793861 U CN 207793861U
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- Prior art keywords
- steel plate
- plate
- anchor bolt
- convex spherical
- bottom plate
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Abstract
The utility model discloses a kind of active bearings,Including upper anchor bolt steel plate and lower anchor bolt steel plate,Upper anchor bolt steel plate is arranged in parallel in above lower anchor bolt steel plate,It is sequentially with fixed bottom plate from top to bottom between upper anchor bolt steel plate and lower anchor bolt steel plate,Buckplate,Concave ball surfaces body,Convex spherical body,Stainless steel plate and long bottom plate,Fixed bottom plate is slided up and down with buckplate to be connect,It is clamped with the high elastic rubber circle for being placed on first boss between fixed bottom plate and buckplate,Rubber seat cushion is folded between buckplate and concave ball surfaces body,Silicone grease plate is folded between concave ball surfaces body and convex spherical body,Silicone grease plate is folded between convex spherical body and stainless steel plate,The upper face of long bottom plate is fixed with horizontal limit devices,Stainless steel plate cross spacing is in horizontal limit devices,Lower anchor bolt steel plate is secured together with long bottom plate by threaded fastener.The technical issues of active pressure-bearing solves bridge pad under the action of no-load, and each layer component of bearing cannot be in close contact.
Description
Technical field
The utility model relates to a kind of bridge pad, more particularly to a kind of layer component each under the action of no-load can closely connect
Tactile active bearing.
Background technology
The girder of bridge is long, and the factors such as creep and shrinkage of concrete, difference variation and earthquake can cause the longitudinal direction of bridge
The technical issues of big displacement, processing in order to effectively solve bridge length travel, uses in domestic and international Partial Bridges design
The form of point connection setting hinged structures (i.e. connection hinge), (P12-P37 refers to pier stud) as shown in Figure 1 on girder.Connection hinge is not only wanted
Meet the bearing capacity requirement under normal operation, also to have the longitudinally opposed displacement of release span centre both sides girder, constrain girder
Vertical, the laterally opposed deformation at both ends and the ability of relative rotation.
Use the science of bridge building that connection is cut with scissors mainly big with the Antioch of California, USA (Antioch) both at home and abroad
Bridge, guest's Nicaea (Benicia-Martinez) bridge, SF Bay (San Francisco-Oakland Bay) bridge,
It is representative, the only 4 rope face cable-stayed bridge steel case girder knot of column of good 6 tower of Main Bridge Channel Bridge that continues in China that country of Ecuador, which combines bridge,
Connection hinge is also used in structure.
As shown in Figures 2 and 3.Connection hinge can discharge expansion joint both sides girder due to concrete shrinkage and creep, the system temperature difference
And the longitudinally opposed displacement that earthquake generates.Connection hinge is mainly summarized as single cut with scissors by manner and rolls over chain, two kinds of sleeve strong rod type
Type.
Sleeve strong rod type structure diagram has the vertical constraint of 2 points or more as shown in figure 3, position strong rod is cut with scissors in connection, because
This has the ability of constraint rotation in surface, is mainly used in the span centre position of the symmetrical cable-stayed bridge of cantilever and prestressed girder bridge, phase
It closes document and is also referred to as span centre hinge.
As shown in figure 4, connection hinge is influenced by the shrinkage and creep of bridge concrete during later stage operation, mid-span deflection is not
Disconnected to increase, span centre is coupled hinge and is mainly run with the stress of sagging moment.It is horizontal when being coupled stress of the hinge in sagging moment
The positions the partition board B steel box-girder upper end position bearing 3l and diaphragm plate C steel box-girder lower end bearing 34 is influenced each layer member in tight by load
Contact, bearing energy normal operation, and the positions diaphragm plate B steel box-girder lower end bearing 32 and the positions diaphragm plate C steel box-girder upper end bearing
33 possible influenced by deflection, each layer component cannot be in close contact, and bearing, which is not normally functioning, even generates destruction.
Utility model content
Technical problem to be solved in the utility model is：A kind of active bearing is provided, which solves bridge
Under the action of no-load, each layer component of bearing cannot be in close contact beam support, and bearing, which is not normally functioning, even generates destruction
The problem of.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of active bearing, including upper anchor bolt
Steel plate and lower anchor bolt steel plate, the upper anchor bolt steel plate are arranged in parallel in above the lower anchor bolt steel plate, the upper anchor bolt steel plate with
Fixed bottom plate, buckplate, concave ball surfaces body, convex spherical body, stainless is sequentially between the lower anchor bolt steel plate from top to bottom
Steel plate and long bottom plate, the upper anchor bolt steel plate are connect with the fixed bottom plate by threaded fastener, the fixed bottom plate
Bottom surface is set there are one circular first boss, and the bottom surface of the first boss sets that there are one circular first groove, the bumps
The top surface of plate is set there are one circular second boss, and the outer diameter of the second boss and the internal diameter of first groove match,
Make the fixed bottom plate slide up and down with the buckplate in the second boss insertion first groove to connect, the fixation
The high elastic rubber circle for being placed on the first boss, the buckplate and the spill are clamped between bottom plate and the buckplate
It is folded with rubber seat cushion between spherical surface body, the bottom end of the concave ball surfaces body sets that there are one concave ball surfaces, the convex spherical bodies
Top surface be the convex spherical to match with the concave ball surfaces, sandwiched between the concave ball surfaces body and the convex spherical body
There is silicone grease plate, silicone grease plate is folded between the convex spherical body and the stainless steel plate, the upper face of the long bottom plate is fixed
Equipped with horizontal limit devices, the stainless steel plate cross spacing is in the horizontal limit devices, the lower anchor bolt steel plate and institute
Long bottom plate is stated to be secured together by threaded fastener.
As an improvement mode, the bottom surface of the buckplate is equipped with circular second groove, the concave ball surfaces body
Top surface be equipped with third groove, the top of the rubber seat cushion is located at second inside grooves, the lower part of the rubber seat cushion
Positioned at the third inside grooves.
As an improvement mode, the bottom face of the convex spherical body is equipped with the 4th groove, the convex spherical body
The top of the silicone grease plate between the stainless steel plate is located in the 4th groove.
As an improvement mode, the high elastic rubber circle is made of silicic acid gel mSiO2nH2O.
As an improvement mode, the horizontal limit devices include the limited block of two left and right settings.
As an improvement mode, the upper surface of the upper anchor bolt steel plate is fixed with weldering nail, the lower anchor bolt steel plate
Lower face be fixed with weldering nail.
As an improvement mode, the weldering nail, upper anchor bolt steel plate, lower anchor bolt steel plate, fixed bottom plate, buckplate, cross
It is formed to limiting device and long bottom plate by the casting of Q345 materials and surface applies two layers of Mica Mine using blasting craft and in surface
Finishing coat, the thickness per stratus mother's ore faces paint are 40 μm.
As an improvement mode, the rubber seat cushion be polyfluortetraethylene plate.
As an improvement mode, the concave ball surfaces body and the convex spherical body cast by Q345 materials,
The plating hard chromium on surface nickel alloy of the concave ball surfaces body and the convex spherical body.
As an improvement mode, the silicone grease plate between the concave ball surfaces body and the convex spherical body and institute
The silicone grease plate surface stated between convex spherical body and the stainless steel plate carries grease shrinkage pool.
Use the technique effect acquired by above-mentioned technical proposal for：
It is provided with precompressed high elastic rubber circle between the fixation bottom plate and buckplate of the bearing, after pressing to it, makes fixation
Bottom plate is held permanently in buckplate under load action, even if bearing can be made each if under the action of bearing is not by ambient pressure
Layer member in tight contact, ensures that the function of each component of bearing is normal, each layer component of bearing can be effectively prevent because being influenced by external force
Cannot be in close contact and caused by destroy.
Since the bottom surface of buckplate is equipped with circular second groove, the top surface of concave ball surfaces body is equipped with third groove, rubber
The top of seat cushion is located at the second inside grooves, and the lower part of rubber seat cushion is located at third inside grooves, and the top of rubber seat cushion is under
Portion is respectively placed in the second inside grooves and third inside grooves, can prevent the displacement of rubber seat cushion from falling off.
Since the bottom face of convex spherical body is equipped with the 4th groove, the silicone grease plate between convex spherical body and stainless steel plate
Top is located in the 4th groove, and the top of silicone grease plate, which is located in the 4th groove, can effectively prevent stating silicone grease plate relative to convex spherical
Body slides.
Since high elastic rubber circle is made of silicic acid gel mSiO2nH2O, there is high-strength elastic and durability.
Since the upper surface of upper anchor bolt steel plate is fixed with weldering nail, the lower face of lower anchor bolt steel plate is fixed with weldering nail, leads to
The anchorage effect of anchor bolt steel plate and armored concrete can be reinforced by crossing weldering nail.
Due to weldering nail, anchor bolt steel plate, fixation bottom plate, lower fixed bottom plate, buckplate, horizontal limit devices and long bottom plate by
Q345 materials are cast, and surface applies two layers of Mica Mine finishing coat using blasting craft and in surface, per the thickness of stratus mother's ore faces paint
Degree is 40 μm, has strong anticorrosive property.
Due to rubber seat cushion be polyfluortetraethylene plate, have high-bearing capacity, low compressed value.
Since concave ball surfaces body and convex spherical body are cast by Q345 materials, concave ball surfaces body and convex spherical body
Plating hard chromium on surface nickel alloy so that concave ball surfaces body and convex spherical body are indeformable under high intensity load.
Due to the silicon between the silicone grease plate between concave ball surfaces body and convex spherical body and convex spherical body and stainless steel plate
Fat plate surface carries grease shrinkage pool, and the storage grease of grease shrinkage pool is not easy volatilization and is lost in, can constantly compensate.
Description of the drawings
Fig. 1 is the distribution map of bridge connection hinge；
Fig. 2 is single hinge folding chain mechanics schematic diagram of connection hinge；
Fig. 3 is the sleeve strong rod type mechanics schematic diagram of connection hinge；
Fig. 4 active bearing arrangement schematic diagrames；
Fig. 5 is the sectional view of active bearing transverse direction；
Fig. 6 is the sectional view of active bearing longitudinal direction；
In figure, 1- weldering nails, 2- anchor bolt steel plates, 3- fixation bottom plates, 4- silica gel rings, 5- buckplates, 6- rubber seat cushions, 7- spills
Spherical surface body, 8- convex spherical bodies, 9- silicone grease plates, 10- stainless steel plates, 11- horizontal limit devices, 12 long bottom plates, 31- upper brackets,
32- undersettings, 33- upper brackets, 34- undersettings, A- diaphragm plates, B- diaphragm plates, C- diaphragm plates.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As Fig. 5 and Fig. 6 jointly shown in, a kind of active bearing, including upper anchor bolt steel plate 2 and lower anchor bolt steel plate 2, upper anchor
Bolt steel plate 2 is arranged in parallel in 2 top of lower anchor bolt steel plate, is sequentially with from top to bottom between upper anchor bolt steel plate 2 and lower anchor bolt steel plate 2
Fixed bottom plate 3, buckplate 5, concave ball surfaces body 7, convex spherical body 8, stainless steel plate 10 and long bottom plate 12.Weldering nail 1, anchor bolt steel
Plate 2, fixed bottom plate 3, buckplate 5, horizontal limit devices 11 and long bottom plate 12 are cast by Q345 materials, and surface is using spray
Sand technique simultaneously applies two layers of Mica Mine finishing coat in surface, and the thickness per stratus mother's ore faces paint is 40 μm, has strong anticorrosive property.Spill
Spherical surface body 7 and convex spherical body 8 are cast by Q345 materials, the plating hard chromium on surface nickel of concave ball surfaces body 7 and convex spherical body 8
Alloy so that concave ball surfaces body 7 and convex spherical body 8 are indeformable under high intensity load.
Upper anchor bolt steel plate 2 is connect with fixed bottom plate 3 by threaded fastener, and the bottom surface of fixed bottom plate 3 sets that there are one round
First boss, the bottom surface of first boss sets there are one circular first groove, and the top surface of buckplate 5 sets that there are one circular the
Two boss, the outer diameter of second boss and the internal diameter of the first groove match, and second boss, which is inserted into the first groove, makes fixed bottom plate 3
It slides up and down and connect with buckplate 5, the high elastic rubber circle for being placed on first boss is clamped between fixed bottom plate 3 and buckplate 5,
Silica gel ring 4 is made of silicic acid gel mSiO2nH2O, has high-strength elastic and durability.
The bottom surface of buckplate 5 is equipped with circular second groove, and the top surface of concave ball surfaces body 7 is equipped with third groove, buckplate 5
Rubber seat cushion 6 is folded between concave ball surfaces body 7, the top of rubber seat cushion 6 is located at the second inside grooves, rubber seat cushion 6
Lower part is located at third inside grooves, and rubber seat cushion 6 is polyfluortetraethylene plate, has high-bearing capacity, low compressed value.Rubber seat cushion 6
Upper and lower part be respectively placed in the second inside grooves and third inside grooves, can prevent rubber seat cushion 6 displacement fall off.
The bottom end of concave ball surfaces body 7 is set there are one concave ball surfaces, and the top surface of convex spherical body 8 is to match with concave ball surfaces
Convex spherical, be folded with silicone grease plate 9 between concave ball surfaces body 7 and convex spherical body 8, stainless steel plate 10 and convex spherical body 8
Between be folded with silicone grease plate 9, the bottom face of convex spherical body 8 is equipped with the 4th groove, between convex spherical body 8 and long bottom plate 12
The top of silicone grease plate 9 is located in the 4th groove, and the top of silicone grease plate 9, which is located in the 4th groove, can effectively prevent stating 9 phase of silicone grease plate
Convex spherical body is slided.
Between silicone grease plate 9 between concave ball surfaces body 7 and convex spherical body 8 and stainless steel plate 10 and convex spherical body 8
9 surface of silicone grease plate carries grease shrinkage pool, and the storage grease of grease shrinkage pool is not easy volatilization and is lost in, can constantly compensate.
The upper face of long bottom plate 12 is fixed with horizontal limit devices 11, and 10 cross spacing of stainless steel plate is filled in cross spacing
It sets in 11, in the present embodiment, horizontal limit devices 11 include 2 limited blocks of left and right settings, and 2 limited blocks are respectively welded in length
The upper face of bottom plate 12,10 cross spacing of stainless steel plate is between 2 limited blocks.Stainless steel plate 10 includes being set to convex spherical
Bottom plate between body 8 and long bottom plate 12, the left side of bottom plate are equipped with left plate, and the right side of bottom plate is equipped with right plate, left plate with it is recessed
It is equipped with limit damper between shape spherical surface body 7, limit damper is equipped between right plate and concave ball surfaces body 7.Lower anchor bolt
Steel plate 2 is secured together with long bottom plate 12 by threaded fastener.The upper surface of upper anchor bolt steel plate 2 is fixed with weldering nail 1, casts anchor
The lower face of bolt steel plate 2 is fixed with weldering nail 1, and by welding, nail 1 can reinforce anchor bolt steel plate 2 and the anchoring of armored concrete is made
With.
The application method of the utility model is：
1, the application of precompression
The changing value that the △ S of active bearing are calculated according to bridge (or structure) creep and shrinkage of concrete, in bearing
Workshop in, bearing gives the pressure of certain numerical value down through test pressure machine, makes silica gel ring 4 in compressive state, branch
The fixed bottom plate 3 of seat and long bottom plate 12 are fixed using screw rod, and ensure that compressed value is more than the changing value in △ S, to ensure that bearing is each
Layer component is not stripped.
2, bearing in-site installation
Silica gel ring 4 is checked before installation whether in compressive state, inspection requirements does not have the damage of any exterior visual and comes from
The damage of corrosion protection ensures cleannes.
Integral hoisting bearing turns round top nut, exposed screw rod height after foundation bolt to be passed through to the bolt hole of anchor bolt steel plate 2
It is not greater than the thickness of nut.Centering vertical, horizontal design centre position is in place, and foundation bolt is made to be inserted into pinner prepared screw-bolt hole
Interior, with four pieces of steel adjustment of wedge bearing levels to designed elevation, the quadrangle height difference of bearing is not greater than 2mm, and makes base-plate
It is higher by 20~50mm of pinner top surface.
With epoxy resin mortar or non-shrink mortar perfusion prepared screw-bolt hole and base-plate bed course, branch is removed after mortar hardening
The temporary fastening device (threaded rod) of seat surrounding, bearing will be permanently in artesian condition.
Application Example
In July, 2011, the project for the Carlos Perez Perasso Bridge that Guangxi company undertakes the construction of have used this
The active bearing of utility model, active bearing is cut with scissors in the connection in operation at present can be such that each layer member in tight of bearing connects
It touches, keeps normal function operation.
Claims (10)
1. a kind of active bearing, which is characterized in that including upper anchor bolt steel plate and lower anchor bolt steel plate, the upper anchor bolt steel plate is flat
Row is set to above the lower anchor bolt steel plate, is sequentially with from top to bottom between the upper anchor bolt steel plate and the lower anchor bolt steel plate
Fixed bottom plate, buckplate, concave ball surfaces body, convex spherical body, stainless steel plate and long bottom plate,
The upper anchor bolt steel plate is connect with the fixed bottom plate by threaded fastener, there are one the bottom surface of the fixed bottom plate is set
Circular first boss, the bottom surface of the first boss set that there are one circular first grooves, and the top surface of the buckplate is equipped with
One circular second boss, the outer diameter of the second boss and the internal diameter of first groove match, the second boss
Being inserted into first groove, which makes the fixed bottom plate be slided up and down with the buckplate, connect, the fixed bottom plate with it is described recessed
It is clamped with the high elastic rubber circle for being placed on the first boss between protrusive board, is pressed from both sides between the buckplate and the concave ball surfaces body
Equipped with rubber seat cushion,
The bottom end of the concave ball surfaces body is set there are one concave ball surfaces, and the top surface of the convex spherical body is and the concave ball surfaces
The convex spherical to match is folded with silicone grease plate, the convex spherical between the concave ball surfaces body and the convex spherical body
Silicone grease plate is folded between body and the stainless steel plate, the upper face of the long bottom plate is fixed with horizontal limit devices, described
For stainless steel plate cross spacing in the horizontal limit devices, the lower anchor bolt steel plate passes through threaded fastener with the long bottom plate
It is secured together.
2. active bearing as described in claim 1, which is characterized in that the bottom surface of the buckplate is equipped with circular second
The top surface of groove, the concave ball surfaces body is equipped with third groove, and the top of the rubber seat cushion is located at second inside grooves,
The lower part of the rubber seat cushion is located at the third inside grooves.
3. active bearing as described in claim 1, which is characterized in that the bottom face of the convex spherical body is equipped with the 4th
The top of groove, the silicone grease plate between the convex spherical body and the stainless steel plate is located in the 4th groove.
4. active bearing as described in claim 1, which is characterized in that the high elastic rubber circle is by silicic acid gel
MSiO2nH2O is made.
5. active bearing as described in claim 1, which is characterized in that the horizontal limit devices are set including two or so
The limited block set.
6. active bearing as claimed in claim 5, which is characterized in that the upper surface of the upper anchor bolt steel plate is fixed with
The lower face of weldering nail, the lower anchor bolt steel plate is fixed with weldering nail.
7. active bearing as claimed in claim 6, which is characterized in that the weldering nail, upper anchor bolt steel plate, lower anchor bolt steel
Plate, fixed bottom plate, buckplate, horizontal limit devices and long bottom plate are formed by the casting of Q345 materials and surface uses blasting craft
And two layers of Mica Mine finishing coat is applied in surface, the thickness per stratus mother's ore faces paint is 40 μm.
8. active bearing as described in claim 1, which is characterized in that the rubber seat cushion is polyfluortetraethylene plate.
9. active bearing as described in claim 1, which is characterized in that the concave ball surfaces body and the convex spherical body
It is cast by Q345 materials, the plating hard chromium on surface nickel alloy of the concave ball surfaces body and the convex spherical body.
10. active bearing as described in claim 1, which is characterized in that the concave ball surfaces body and the convex spherical
It is recessed that the silicone grease plate surface between the silicone grease plate and the convex spherical body and the stainless steel plate between body carries grease
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180387.7U CN207793861U (en) | 2018-02-01 | 2018-02-01 | Active bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180387.7U CN207793861U (en) | 2018-02-01 | 2018-02-01 | Active bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207793861U true CN207793861U (en) | 2018-08-31 |
Family
ID=63268792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180387.7U Expired - Fee Related CN207793861U (en) | 2018-02-01 | 2018-02-01 | Active bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207793861U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203922A (en) * | 2018-02-01 | 2018-06-26 | 广西路桥工程集团有限公司 | Active bearing |
| CN109371825A (en) * | 2018-10-31 | 2019-02-22 | 重庆交通大学 | Novel damping energy dissipating support |
| CN110847025A (en) * | 2019-12-17 | 2020-02-28 | 常熟市亿利诚机械有限公司 | Bridge basin type rubber support convenient to maintain |
-
2018
- 2018-02-01 CN CN201820180387.7U patent/CN207793861U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203922A (en) * | 2018-02-01 | 2018-06-26 | 广西路桥工程集团有限公司 | Active bearing |
| CN109371825A (en) * | 2018-10-31 | 2019-02-22 | 重庆交通大学 | Novel damping energy dissipating support |
| CN110847025A (en) * | 2019-12-17 | 2020-02-28 | 常熟市亿利诚机械有限公司 | Bridge basin type rubber support convenient to maintain |
| CN110847025B (en) * | 2019-12-17 | 2021-07-27 | 常熟市亿利诚机械有限公司 | Bridge basin type rubber support convenient to maintain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 530200 No.21 Pingle Avenue, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 530011 No. 17 Zhonghua Road, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20210201 |