CN106284058B - Symmetrical damping type bridge pier - Google Patents
Symmetrical damping type bridge pier Download PDFInfo
- Publication number
- CN106284058B CN106284058B CN201610887321.7A CN201610887321A CN106284058B CN 106284058 B CN106284058 B CN 106284058B CN 201610887321 A CN201610887321 A CN 201610887321A CN 106284058 B CN106284058 B CN 106284058B
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- CN
- China
- Prior art keywords
- damper assembly
- damping
- damping damper
- bridge pier
- support column
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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
-
- 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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of symmetrical damping type bridge pier, including bridge pier seat and the support column that is fixedly connected with bridge floor；The bridge pier seat includes tubular pedestal and is set to the damping damper assembly of tubular pedestal, and the support column is set to the cylindrical chamber in cylindrical seat body Nei and realizes damping damping under the action of damping damper assembly；The damping damper assembly includes upper damping damper assembly, middle damping damper assembly and lower damping damper assembly successively from top to bottom；The upper damping damper assembly is identical with lower damping damper assembly structure and is symmetrically disposed on the upper and lower side of middle damping damper assembly；The shock resistance that bridge can be effectively improved avoids bridge that hard breakdown occurs, and ensures road traffic installation, meanwhile, anti-seismic performance is adaptively strong, simple and stable structure, easy for installation.
Description
Technical field
The present invention relates to relate to bridge construction field, and in particular to a kind of symmetrical damping type bridge pier.
Background technology
The trip of people is developed by pervious walking and is ridden instead of walk by the vehicles gradually, such as automobile, train, aircraft, steamer
Deng, corresponding highway, railway etc. one it is that the road of class starts to occur, and being sent out by pavement construction gradually in evolution
Aerial construction is opened up, in such a situa-tion, bridge beam action also all the more important, because in the highway of long distance is built,
The places such as river, mountain valley are often crossed over, so this is will to be connected to by bridge, in bridge construction, bridge pad is
Connection, the important component for constraining bridge upper and lower part structure, are an indispensable part, bridge for the load-bearing of bridge
Construction mostly generates larger relative displacement under severe earthquake action between constructing up and down, easily causes bridge structure damage, leads
The interruption for causing traffic, extreme difficulties are brought to disaster relief work, cause huge loss, existing highway bridge consumptive material more, transport installation
Of high cost, anti seismic efficiency is poor.
Therefore, in order to solve the above problem, a kind of symmetrical damping type bridge pier is needed, the shock resistance of bridge can be effectively improved,
It avoids bridge that hard breakdown occurs, ensures road traffic installation, meanwhile, anti-seismic performance is adaptively strong, simple and stable structure, installation
It is convenient.
Invention content
In view of this, the purpose of the present invention is overcoming defect in the prior art, symmetrical damping type bridge pier, Neng Gouyou are provided
Effect improves the shock resistance of bridge, avoids bridge that hard breakdown occurs, and ensures road traffic installation, meanwhile, anti-seismic performance is adaptive
By force, simple and stable structure, it is easy for installation.
The symmetrical damping type bridge pier of the present invention, including bridge pier seat and the support column that is fixedly connected with bridge floor；The bridge pier seat
Including tubular pedestal and the damping damper assembly for being set to tubular pedestal, the support column is set to the cylinder chamber in cylindrical seat body
Damping damping is realized in vivo and under the action of damping damper assembly；The damping damper assembly includes above subtracting successively from top to bottom
Shake damper assembly, middle damping damper assembly and lower damping damper assembly；The upper damping damper assembly and lower damping damper assembly
Structure is identical and is symmetrically disposed on the upper and lower side of middle damping damper assembly.
Further, the middle damping damper assembly includes the elastic rubber shell of two and half rectangular columns, two elastic rubber shells
Composition housing and the elastic supporting sleeve being supported between support column and tubular base vivo wall.
Further, the upper damping damper assembly and lower damping damper assembly include multigroup circumferential direction along tubular pedestal point
The elastic necking down friction component of cloth setting, every group of elasticity necking down friction component include drive rod, column spring and multiple hinged
Bar, multiple hinge bar head and the tail hingedly form articulated link chain by articulated shaft respectively, and the tubular base vivo wall is recessed to be formed for pacifying
The axially disposed bar-shaped trough of the elastic necking down friction component of dress, the upper end of the articulated link chain is hingedly installed on the upper end of bar-shaped trough
Or lower end inner wall, the lower end or upper end of hinged chain and the upper end of drive rod or lower end are hinged, the lower end or upper end of the drive rod
Radially it is bent to form the actuating arm for being pierced by the radial through-hole for being set to bar-shaped trough lower end or upper end slot bottom；The bar-shaped trough
Madial wall form the axial single limiting slot freely to reciprocatingly slide for making each articulated shaft along tubular pedestal, the actuating arm is set
It is equipped with upward pretightning force, the articulated link chain along axial shortening and radially projecting presses on support column under the driving of drive rod
Outer wall.
Further, the hinge bar is the axially disposed cuboid block of length direction, the length side of the cuboid block
The arc-shaped bend structure to be formed and press on support column outer wall is projected radially inwards to centre.
Further, the tubular cover for seat outer wall is fixedly installed the supporting table for being used to support installation column spring, the branch
Support platform and actuating arm are fixedly installed the interior guide post for being placed on column spring both ends respectively.
Further, the elastic necking down friction component is four groups and is distributed uniformly and circumferentially.
Further, protrusion is formed embedded and is articulated with by chain pin among one end along its length of the cuboid block
The tenon of adjacent cuboid block, other end intermediate recess form the linked grooves for being embedded in adjacent cuboid block tenon.
Further, two guide posts are inside and outside sleeve structure.
The beneficial effects of the invention are as follows：A kind of symmetrical damping type bridge pier disclosed by the invention is hindered by support column and damping
The cooperation of Buddhist nun's component realizes that tubular pedestal carries out damping damping to support column, and then carries out damping to bridge floor, when there is earthquake,
Ensure that bridge has preferable anti seismic efficiency；Support base it is upper, in and lower part damping damping unit is respectively set, be conducive to support
The stress balance of column；Structure is identical and symmetrically arranged upper damping damper assembly and lower damping damper assembly are conducive to antidetonation.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
Fig. 1 is the structural diagram of the present invention, as shown, the symmetrical damping type bridge pier in the present embodiment；Including bridge pier
Seat and the support column 1 being fixedly connected with bridge floor；The bridge pier seat includes tubular pedestal 2 and is set to the damping damping of tubular pedestal
Component, the cylindrical chamber that the support column 1 is set in tubular pedestal 2 is interior and realizes damping under the action of damping damper assembly
Damping；The damping damper assembly includes upper damping damper assembly, middle damping damper assembly and lower damping resistance successively from top to bottom
Buddhist nun's component；The upper damping damper assembly is identical with lower damping damper assembly structure and is symmetrically disposed on middle damping damper assembly
Upper and lower side；The cross section of the support column 1 and tubular pedestal is square, and support column is positioned over downwards foundation surface；Pass through
The cooperation of support column 1 and damping damper assembly is realized that tubular pedestal 2 carries out damping damping to support column 1, and then is carried out to bridge floor
Damping ensures that bridge has preferable anti seismic efficiency when there is earthquake；Certainly, bridge pier seat is fixed or is integrally formed with ground.
In the present embodiment, the middle damping damper assembly includes the elastic rubber shell of two and half rectangular columns, two elastic rubbers
The elastic supporting sleeve 3 that glue shell forms housing and is supported between 2 inner wall of support column 1 and tubular pedestal；Elastic supporting sleeve 3 facilitates peace
It dress and replaces, and 3 structure of elastic supporting sleeve is shaken the when of tilting conducive to support column 1 and put and shake centered on centre position, is ensured
Support column 1 is by 2 fixing-stable of tubular pedestal and effective damping damping.
In the present embodiment, the upper damping damper assembly and lower damping damper assembly include multigroup along tubular pedestal 2
The elastic necking down friction component of circumferentially distributed setting, every group of elasticity necking down friction component include drive rod (including drive rod 4a
With drive rod 4b), column spring (including column spring 5a and column spring 5b) and multiple hinge bars (including hinge bar 6a and hinge
Extension bar 6b), multiple hinge bar head and the tail hingedly form articulated link chain by articulated shaft respectively, and 2 inner wall depression of tubular pedestal is formed
Axially disposed bar-shaped trough (including bar-shaped trough 7a and bar-shaped trough 7b) for installing elastic necking down friction component, it is described hinged
The upper end of chain (hinge bar 6a compositions) is hingedly installed on the upper end inner wall of bar-shaped trough 7a, the articulated link chain (hinge bar 6b compositions)
Lower end is hingedly installed on the lower end inner wall of bar-shaped trough 7b, and hinged chain is hinged with the end of corresponding drive rod, the end of the drive rod
Portion be radially bent to form be pierced by the radial through-hole for being set to corresponding bar-shaped trough slot bottom actuating arm (including actuating arm 8a and
Actuating arm 8b)；The madial wall of the bar-shaped trough is formed for making each articulated shaft freely reciprocatingly slide along the axial list of tubular pedestal 2
Limiting slot, the actuating arm forms upward pretightning force, driving of the articulated link chain in drive rod by corresponding column spring
It is lower along axial shortening and the radially projecting outer wall for pressing on support column 1；By pre-tightening power drive drive rod, and then make hinge bar
Pretightning force is rationally arranged in the outer wall for inwardly pressing on support column, and then controls hinge bar and wipe the normal pressure of support column and friction
Power, effective damping when ensureing support column fixing-stable and shaking ensure that damping force can be adjustable according to the severe degree of shaking, adaptive
Ying Hao；Facilitate bar shaped groove processing, and elastic necking down friction component installs fixing-stable；The support column of rectangular cylinder structure is conducive to branch
Dagger stress increases friction.
In the present embodiment, the hinge bar is the axially disposed cuboid block of length direction, the length of the cuboid block
Degree projects radially inwards the arc-shaped bend structure to be formed and press on 1 outer wall of support column among direction；Ensure hinge bar and support
The active force of column 1 is gentle, effectively reduces the pressure to 1 surface of support column, and it is smooth to ensure that support column 1 moves, support column 1 is avoided to block
Only reduce damping.
In the present embodiment, the tubular cover for seat outer wall is fixedly installed the supporting table for being used to support installation column spring, institute
It states supporting table 9 and actuating arm and is fixedly installed the interior guide post (being not drawn into figure) for being placed on column spring both ends respectively；Ensure column
The stability of the deformation of shape spring, certain two guide posts can be inside and outside nested structure, ensure single dof mobility.
In the present embodiment, the elasticity necking down friction component is four groups and is distributed uniformly and circumferentially；Conducive to stress point
Cloth improves damping effect.
In the present embodiment, protrusion is formed embedded and is cut with scissors by chain pin among one end along its length of the cuboid block
It is connected to the tenon of adjacent cuboid block, other end intermediate recess forms the linked grooves for being embedded in adjacent cuboid block tenon；Hinge
Stabilization is connect, and articulated shaft is limited conducive to by bar-shaped trough.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (5)
1. a kind of symmetrical damping type bridge pier, it is characterised in that：The support column being fixedly connected including bridge pier seat and with bridge floor；The bridge
Pier base includes tubular pedestal and is set to the damping damper assembly of tubular pedestal, and the support column is set to the column in cylindrical seat body
Damping damping is realized in shape cavity and under the action of damping damper assembly；The damping damper assembly includes successively from top to bottom
Upper damping damper assembly, middle damping damper assembly and lower damping damper assembly；The upper damping damper assembly and lower damping damping
Modular construction is identical and is symmetrically disposed on the upper and lower side of middle damping damper assembly；The middle damping damper assembly includes two and half
The elastic rubber shell of rectangular column, the bullet that two elastic rubber shells form housing and are supported between support column and tubular base vivo wall
Property supporting sleeve；The upper damping damper assembly and lower damping damper assembly include multigroup circumferentially distributed setting along tubular pedestal
Elastic necking down friction component, every group of elasticity necking down friction component include drive rod, column spring and multiple hinge bars, it is multiple
Hinge bar head and the tail hingedly form articulated link chain by articulated shaft respectively, and the tubular base vivo wall is recessed to be formed for installing elastic contracting
The axially disposed bar-shaped trough of neck friction component, the upper end of the articulated link chain are hingedly installed in the upper end or lower end of bar-shaped trough
Wall, the lower end or upper end of articulated link chain and the upper end of drive rod or lower end are hinged, the lower end or upper end of the drive rod radially to
It is bent to form the actuating arm for being pierced by the radial through-hole for being set to bar-shaped trough lower end or upper end slot bottom outside；The madial wall of the bar-shaped trough
Axial single limiting slot freely to reciprocatingly slide for making each articulated shaft along tubular pedestal is formed, the actuating arm is provided with upwards
Pretightning force, the articulated link chain is under the driving of drive rod along axial shortening and the radially projecting outer wall for pressing on support column；
The external wall of cylindrical seat is fixedly installed the supporting table for being used to support installation column spring, the supporting table and actuating arm difference
The guide post at column spring both ends is placed in being fixedly installed.
2. symmetrical damping type bridge pier according to claim 1, it is characterised in that：The hinge bar be length direction in an axial direction
The cuboid block of setting, projects radially inwards among the length direction of the cuboid block to be formed and presses on support column outer wall
Arc-shaped bend structure.
3. symmetrical damping type bridge pier according to claim 2, it is characterised in that：The elasticity necking down friction component is four groups
And it is distributed uniformly and circumferentially.
4. symmetrical damping type bridge pier according to claim 3, it is characterised in that：The cuboid block along its length
Protrusion forms tenon embedded and that adjacent cuboid block is articulated with by chain pin among one end, and the formation of other end intermediate recess is used for
The linked grooves of embedded adjacent cuboid block tenon.
5. symmetrical damping type bridge pier according to claim 4, it is characterised in that：Two guide posts are inside and outside sleeve structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887321.7A CN106284058B (en) | 2016-10-11 | 2016-10-11 | Symmetrical damping type bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887321.7A CN106284058B (en) | 2016-10-11 | 2016-10-11 | Symmetrical damping type bridge pier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106284058A CN106284058A (en) | 2017-01-04 |
| CN106284058B true CN106284058B (en) | 2018-09-14 |
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ID=57717887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610887321.7A Active CN106284058B (en) | 2016-10-11 | 2016-10-11 | Symmetrical damping type bridge pier |
Country Status (1)
| Country | Link |
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| CN (1) | CN106284058B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235233B (en) * | 2018-10-22 | 2024-03-01 | 北方民族大学 | High energy dissipation type bridge anti-seismic device |
| CN109898409B (en) * | 2019-04-12 | 2021-01-08 | 新疆北新路桥集团股份有限公司 | Prefabricated pier structure of antidetonation formula |
| CN110396921A (en) * | 2019-07-22 | 2019-11-01 | 扬州工业职业技术学院 | Road and bridge shock-damping structure |
| CN112523070B (en) * | 2020-12-16 | 2022-05-27 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000273825A (en) * | 1999-03-24 | 2000-10-03 | Sumitomo Heavy Ind Ltd | Earthquake-proof structure of bridge pier |
| JP2011190598A (en) * | 2010-03-15 | 2011-09-29 | Railway Technical Research Institute | Vibration control structure of viaduct |
| JP6563781B2 (en) * | 2014-12-08 | 2019-08-21 | 東日本旅客鉄道株式会社 | Pedestal structure and construction method of pedestal structure |
| JP6563780B2 (en) * | 2014-12-08 | 2019-08-21 | 東日本旅客鉄道株式会社 | Bridge structure |
| CN205134178U (en) * | 2015-11-10 | 2016-04-06 | 范兵 | Bridge strutting arrangement |
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2016
- 2016-10-11 CN CN201610887321.7A patent/CN106284058B/en active Active
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| CN106284058A (en) | 2017-01-04 |
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