CN105951586A - Viscous fluid damping steel support - Google Patents
Viscous fluid damping steel support Download PDFInfo
- Publication number
- CN105951586A CN105951586A CN201610464329.2A CN201610464329A CN105951586A CN 105951586 A CN105951586 A CN 105951586A CN 201610464329 A CN201610464329 A CN 201610464329A CN 105951586 A CN105951586 A CN 105951586A
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- CN
- China
- Prior art keywords
- basin
- chamber
- upper anchor
- damping
- lower slider
- Prior art date
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Classifications
-
- 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)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a viscous fluid damping steel support which comprises a lower sliding plate, a bottom basin and an upper anchor subplate component. The bottom basin is mounted at the top of a lower sliding plate through a guide rail device and can slide along the horizontal direction relative to the lower sliding plate through the guide rail device, a spherical cap is arranged in a groove in the middle of the top of the bottom basin, the upper anchor subplate component and the spherical cap are in spherical contact and can rotate relatively, a viscous damper is arranged on each of two sides of the bottom basin, the viscous dampers and the guide rail device are arranged in a same direction, each viscous damper comprises a cylinder and a piston rod, each cylinder is fixedly connected with the bottom basin, and each piston rod is fixedly connected with the lower sliding plate. Bridge shock attenuating and insulating design is simplified, reliability of shock attenuating and insulating design is improved, mounting and maintaining of a shock attenuating and insulating device are omitted, bridge appearance is unaffected, and the viscous fluid damping steel support has remarkable shock attenuating and insulating effect and simple and convenient to maintain.
Description
Technical field
The invention belongs to bridge construction technical field of structures, be specifically related to a kind of viscid fluid damping
Bridle iron.
Background technology
Traditional method of seismic design concept and mechanism mainly rely on intensity that structure, component self have,
Ductility, energy dissipation capacity carry out antidetonation, and design is next real by increasing structure, component strength and ductility
Existing.The method the most greatly increases construction costs, and in the case of some high earthquake intensity
Even if strengthening structure also cannot meet security requirement.
It is special by introducing earthquake isolating equipment change structure dynamic response in earthquake for subtracting seismic isolation technology
Property, thus reducing Seismic input, additional power consumption mechanism is as main antidetonation component, and with knot
Structure component antidetonation is auxiliary.In the method, basic object is intended to be greatly reduced and is delivered in structure
Seismic force and energy, its shock resistance is by the extending structure cycle, increases energy dissipation capacity
Realize.From the point of view of the bridge of various countries subtracts shock insulation applicable cases, in current bridge seismic isolation design
Mainly rubber support in layers, lead core rubber support and the high-damp rubber support used, and logical
Often it is arranged between bridge superstructure and bridge pier or abutment.
Existing vibration absorption and isolation support is faced with problems: due to environmental protection, developed country is existing
At the most less main force's lead core rubber support used in script vibration absorption and isolation support, and another
Individual main shock insulation product rubber support in layers due to need to control it under earthquake excessive
Deformation, it is generally required to coordinate antivibrator to be used in conjunction with, this needs the maturation of each shock insulation product
Reliable with coordinate, too increase complexity and the cost of use simultaneously, and high-damping rubber props up
Seat needs to guarantee to produce a large amount of stable performance and Reliable Products；It addition, shock isolating pedestal is current
Mostly being rubber and steel plate glued construction, the service life under the conditions of exposing to the weather etc. is generally below
Bridle iron, this will become the secret worry of whole vibration prevention system；Finally, from construction costs angle, bridge
When girder construction uses shock isolating pedestal, general each Support Position is required for using shock isolating pedestal, this
Also whole system cost is made to be greatly improved.
At present, the antidetonation product that damping and isolation effect that viscosity hydraulic damper is well recognized as is best,
This series products is installed, anchorage connector, tie-beam and substructure need to be separately provided.This peace
Dress method makes antivibrator rigidity outside installation direction weak, and fatigue durability is poor, and this product
Not only need extra installation and maintenance outside often hanging on bridge structure, and affect architectonic beauty
See.
Summary of the invention
The purpose of the present invention is contemplated to solve the deficiency that above-mentioned background technology exists, it is provided that a kind of
The viscid fluid damping bridle iron that reliability is high, damping and isolation effect is good.
The technical solution used in the present invention is: a kind of viscid fluid damping bridle iron, including gliding
Dynamic plate, end basin and upper anchor plate assembly, basin of the described end is installed on lower slider plate by track-type facilities
Top, basin of the described end can be slided by lower slider plate relatively in the horizontal direction by track-type facilities, described
Spherical crown, sphere between described upper anchor plate assembly and spherical crown it is provided with in the groove of end basin middle top
Contact, can relatively rotate between described upper anchor plate assembly and spherical crown, and basin both sides, the described end are respectively
Being provided with the fluid linking damper for the seismic energy that dissipates, described fluid linking damper fills with described guide rail
Put equidirectional setting, described fluid linking damper include the internal cylinder body filling damping fluid with can be relative
The piston rod of cylinder body horizontal movement, described cylinder body and end basin are fixing to be connected, described piston rod and under
Sliding panel is fixing to be connected；Described cylinder body two ends are provided with end cap, and described piston rod two ends are stretched from end cap
Going out, be provided with the annular piston body of evagination in the middle part of described piston rod, piston body is positioned at it in cylinder body
It is divided into the first chamber and the second chamber, piston body is communicated with the first chamber and the second chamber
Damping hole, fills damping fluid in first chamber and the second chamber of cylinder body, and described piston rod exists
In cylinder body during horizontal movement, the damping fluid in the first chamber and the second chamber can pass through damping hole phase
Flowing mutually.
Further, described track-type facilities includes the guide-track groove being arranged on lower slider plate and fixes
In the guide rail of end basin bottom part, described guide rail is positioned at guide-track groove and can slide by opposite rail groove.
Further, described upper anchor plate assembly includes that piston, upper anchor plate and Duo Gen can be with beams
The upper anchor pad rod iron that the end connects, described piston base is positioned at the groove of end basin and joins with spherical crown sphere
Closing, described upper anchor plate is fixed on top land by shear pin, and described upper anchor pad rod iron is fixed
In upper anchor plate top.
Further, be provided with bottom described lower slider plate many can stretch within bridge pier column under
Anchor pad rod iron.
Further, basin of the described end is respectively provided on two sides with a pair outward extending wing plate, described cylinder
Body is fixed between a pair wing plate, is positioned on two wing plates of the same side and has coaxial through hole,
Through-bore axis is parallel with track-type facilities axis, and described lower slider plate is provided with wing plate correspondence position
Fixed block, described piston rod two ends are each passed through that described through hole and described fixed block are fixing to be connected.
Further, between described upper anchor plate assembly and spherical crown, between spherical crown and end basin,
It is equipped with friction pair between end basin and lower slider plate.
The present invention has effectively integrated common bearing and viscosity hydraulic damper, makes bearing have glutinous
The energy dissipation capacity of stickiness hydraulic damper and characteristic.The present invention can play commonly in normal conditions
The effect of bearing, i.e. can make to produce between bridge beam body with pier stud phase when low speed horizontal loading
To slip, additional force will not be applied to structure；Under high speed horizontal loading when there is earthquake,
The present invention can play dissipation seismic energy, reduces the effect of seismic structural response.The present invention is led to
Cross and viscid fluid damping supporting seat be set, can maximized dissipation seismic energy without arranging volume
Outer antivibrator, can increase fatigue durability and the reliability of the seismic isolation design of whole bridge,
Avoid the installation extra to antivibrator and maintenance, do not affect bridge appearance simultaneously.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional drawing of the present invention.
Fig. 2 is the top view of the present invention.
Fig. 3 is the decomposing schematic representation of the present invention.
Fig. 4 is the partial cross axonometric chart of the present invention.
Fig. 5 is the schematic diagram of fluid linking damper of the present invention.
In figure: 1-lower slider plate；11-guide-track groove；12-casts anchor pad rod iron；13 fixed blocks；2-
End basin；21-groove；22-wing plate；23-through hole；24-guide rail；3-fluid linking damper；31-cylinder body；
32-piston rod；33-end cap；34-piston body；35-damping hole；36-the first cavity；37-second
Cavity；38-damping fluid；4-upper anchor plate assembly；41-piston；The upper anchor plate of 42-；The upper anchor of 43-
Pad rod iron；5-spherical crown；6-track-type facilities；7-shear pin；8-friction pair.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, just
In being well understood to the present invention, but they do not constitute restriction to the present invention.
As Figure 1-5, the present invention includes lower slider plate 1, end basin 2 and upper anchor plate assembly 4,
Basin of the described end 2 is installed on lower slider plate 1 top by track-type facilities 6, and basin of the described end 2 passes through
Track-type facilities 6 can slide by lower slider plate 1 relatively in the horizontal direction, basin 2 middle top of the described end
Groove 21 in be provided with spherical crown 5, sphere-contact between described upper anchor plate assembly 4 and spherical crown 5,
Can relatively rotate between described upper anchor plate assembly 4 and spherical crown 5, basin 2 both sides, the described end are respectively
Being provided with the fluid linking damper 3 for the seismic energy that dissipates, described fluid linking damper 3 is led with described
The equidirectional setting of rail device 6, described fluid linking damper 3 includes the internal cylinder body filling damping fluid
31 and can the piston rod 32 of opposing cylinder horizontal movement, described cylinder body 31 is fixing with end basin 2 even
Connecing, described piston rod 31 is fixing with lower slider plate 1 to be connected.
By said structure, upper anchor plate assembly 4 can rotate relative to end basin 2, and in level
Then can move together with end basin 2 on direction.End basin 2 then can be along the relative lower slider of track-type facilities 6
Plate 1 moves in the horizontal direction, therefore goes up anchor plate assembly 4 and cylinder body 31 also can be relative to downslide
Dynamic plate 1 moves in the horizontal direction.
In such scheme, bottom lower slider plate 1, it is provided with the many pad rod irons 12 that cast anchor, during installation,
The many pad rod irons 12 that cast anchor stretch into inside bridge pier column, are fixed on pier stud by this bearing.
In such scheme, track-type facilities 6 includes the guide-track groove 11 being arranged on lower slider plate 1
With the guide rail 24 being fixed on bottom end basin 2, described guide rail 24 is positioned at guide-track groove 11 can be relative
Guide-track groove 11 slides, and then makes the end basin 2 can lower slider plate relatively when bearing low speed horizontal loading
1 slides.
In such scheme, end basin 2 is respectively provided on two sides with a pair outward extending wing plate 22, viscid
The cylinder body 31 of antivibrator 3 is fixed between a pair wing plate 22, is positioned at two wing plates of the same side
Having coaxial through hole 23 on 22, through hole 23 axis is parallel with the axis of track-type facilities 6, institute
State and be provided with fixed block 13 with wing plate 22 correspondence position on lower slider plate 1, fluid linking damper 3
Piston rod 32 two ends are each passed through that described through hole 23 is fixing with described fixed block 13 to be connected.Cylinder body
Between 31 two wing plates 22 being arranged at the same side so that cylinder body 31 can start shipment with end basin 2 one
Dynamic；The two ends of piston rod 32 are each passed through wing plate 22 and are connected on fixed block 13 so that live
Stopper rod 32 can move with lower slider plate 1.Piston rod 32 can move by opposing cylinder 31, because of
This is when end basin 2 is relative to lower slider plate 1 horizontal movement, and wing plate 22 can promote cylinder body 31 phase
Piston rod 32 is moved.
In such scheme, upper anchor plate assembly 4 includes piston 41, upper anchor plate 42 and Duo Gen
Upper anchor pad rod iron 43, is positioned at groove 21 and spherical crown 5 ball of end basin 2 bottom described piston 41
Face coordinates, and the center of upper anchor plate 42 is provided with pin-and-hole, and shear pin 7 extend in this pin-and-hole, on
Anchor plate 42 is fixed on piston 41 top by shear pin 7, and described upper anchor pad rod iron 43 is fixed
In upper anchor plate 42 top, during installation, upper anchor pad rod iron 43 extend into inside beam body.
In such scheme, cylinder body 31 two ends are provided with end cap 33, for closed cylinder 31, described
Piston rod 32 two ends are stretched out from end cap 33, are provided with the ring-type work of evagination in the middle part of described piston rod 32
Cock body 34, piston body 34 is positioned in cylinder body 31 and is divided into the first chamber 36 and the second chamber
37, piston body 34 is communicated with the multiple trickle resistance of the first chamber 36 and the second chamber 37
Buddhist nun hole 35, fills damping fluid 38, piston in first chamber 36 and the second chamber 37 of cylinder body
Bar 32 in cylinder body 31 during horizontal movement, the damping of 37 in the first chamber 36 and the second chamber
Liquid 38 mutually can be flowed by damping hole 35.In the present embodiment, damping fluid 38 is dimethyl
Silicone oil.
In such scheme, between upper anchor plate assembly 4 and spherical crown 5, spherical crown 5 and end basin 2 it
Between, be equipped with friction pair 8 between end basin 2 and lower slider plate 1.
After the present invention is arranged between beam body and pier stud, when beam body relative to pier stud in the horizontal direction
When having slight relative motion, the bridge such as produced due to temperature Change stretches, and end basin 2 is even
Ibid anchor plate assembly 4 slides more slowly and soft relative to the level that lower slider plate 1 produces,
Suffered load is low speed load.Now, the damping fluid 38 in cylinder body 31 can be by damping
Hole 35 flows to the second chamber 37 lentamente from the first chamber 36, or delays from the second chamber 37
Slowly it flow to the first chamber 36.Thereby, the piston body 34 on piston rod 32 can be relative to
Cylinder body 31 moves horizontally, thus allows that bearing produces slip relatively in the horizontal direction.
When there is earthquake, the horizontal loading suffered by bearing of the present invention is high speed load, piston body
34 have the trend quickly moved relative to cylinder body 31, but owing to damping fluid 38 cannot lead to rapidly
Overdamp hole 35 at two chamber indoor moveables, can only sluggish flow, thus to piston body formed pole
Big reverse resistance, it is achieved microinching consumes energy, reaches to maximize the purpose of earthquake energy.
Above content be combine that the present invention done by specific embodiment the most specifically
Bright, it is impossible to assert the present invention be embodied as be confined to these explanations.For belonging to the present invention
Technical field those of ordinary skill for, without departing from the inventive concept of the premise, also
Some simple deduction or replace can be made, all should be considered as belonging to protection scope of the present invention.
The content not being described in detail in this specification belongs to existing known to professional and technical personnel in the field
Technology.
Claims (6)
1. a viscid fluid damping bridle iron, it is characterised in that: include lower slider plate (1),
End basin (2) and upper anchor plate assembly (4), track-type facilities (6) is passed through at basin of the described end (2)
Being installed on lower slider plate (1) top, basin of the described end (2), can be relative by track-type facilities (6)
Lower slider plate (1) slides in the horizontal direction, sets in the groove of basin (2) middle top of the described end
There are spherical crown (5), sphere-contact between described upper anchor plate assembly (4) and spherical crown (5), institute
State and can relatively rotate between anchor plate assembly (4) and spherical crown (5), basin of the described end (2) two
Side is respectively provided with the fluid linking damper (3) of dissipation seismic energy, described fluid linking damper (3)
With described track-type facilities (6) equidirectional setting, described fluid linking damper (3) includes cylinder body (31)
With can the piston rod (32) of opposing cylinder horizontal movement, described cylinder body (31) and end basin (2)
Fixing connection, described piston rod (32) is fixing with lower slider plate (1) to be connected；Described cylinder body (31)
Two ends are provided with end cap (33), and described piston rod (32) two ends are stretched out from end cap (33), institute
State piston rod (32) middle part and be provided with the annular piston body (34) of evagination, piston body (34) position
The first chamber (36) and the second chamber (37), piston body (34) it is divided in cylinder body
On be communicated with the damping hole (35) of the first chamber (36) and the second chamber (37), at cylinder
Damping fluid (38), described work is filled in first chamber (36) of body and the second chamber (37)
Stopper rod (32) in cylinder body (31) during horizontal movement, the first chamber (36) and the second chamber
(37) damping fluid (38) in mutually can be flowed by damping hole.
One the most according to claim 1 viscid fluid damping bridle iron, it is characterised in that:
Described track-type facilities (5) includes the guide-track groove (11) being arranged on lower slider plate (1) and consolidates
Due to the guide rail (24) of end basin (2) bottom, described guide rail (24) is positioned at guide-track groove (11)
In can opposite rail groove (11) slide.
One the most according to claim 1 viscid fluid damping bridle iron, it is characterised in that:
Described upper anchor plate assembly (4) includes that piston (41), upper anchor plate (45) and many can be with
Upper anchor pad rod iron (43) connected at the bottom of beam, described piston (41) bottom is positioned at end basin (2)
With spherical crown (5) mating spherical surfaces in groove, described upper anchor plate (45) passes through shear pin (7)
Being fixed on piston (41) top, described upper anchor pad rod iron (43) is fixed on anchor plate (42)
Top.
One the most according to claim 1 viscid fluid damping bridle iron, it is characterised in that:
Described lower slider plate (1) bottom is provided with the many pad rod irons that cast anchor that can stretch within bridge pier column
(12)。
One the most according to claim 1 viscid fluid damping bridle iron, it is characterised in that:
Basin of the described end (2), is respectively provided on two sides with a pair outward extending wing plate (22), described cylinder body (31)
It is fixed between a pair wing plate (22), is positioned on two wing plates (22) of the same side and has together
The through hole (23) of axle, through hole (23) axis is parallel with track-type facilities (5) axis, described under
Sliding panel (1) is upper and wing plate (22) correspondence position is provided with fixed block (13), described piston rod
(32) two ends are each passed through that described through hole and described fixed block (13) are fixing to be connected.
One the most according to claim 1 viscid fluid damping bridle iron, it is characterised in that:
Between described upper anchor plate assembly (4) and spherical crown (5), spherical crown (5) and end basin they (2)
Between, be equipped with friction pair (8) between end basin (2) and lower slider plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464329.2A CN105951586A (en) | 2016-06-23 | 2016-06-23 | Viscous fluid damping steel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464329.2A CN105951586A (en) | 2016-06-23 | 2016-06-23 | Viscous fluid damping steel support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105951586A true CN105951586A (en) | 2016-09-21 |
Family
ID=56903642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610464329.2A Pending CN105951586A (en) | 2016-06-23 | 2016-06-23 | Viscous fluid damping steel support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105951586A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060129A (en) * | 2017-06-15 | 2017-08-18 | 金陵科技学院 | One kind damping shock isolating pedestal |
| CN108570924A (en) * | 2018-05-14 | 2018-09-25 | 株洲时代新材料科技股份有限公司 | A kind of bridge girder anti-seismic bearing |
| CN109811651A (en) * | 2017-11-20 | 2019-05-28 | 洛阳双瑞特种装备有限公司 | The big damping hyperboloid of one kind subtracts shock insulation spherical bearing |
| WO2020011037A1 (en) * | 2018-07-13 | 2020-01-16 | 陆科 | Friction shock-isolation device opened promptly when being shaken and struck |
| WO2021057875A1 (en) * | 2019-09-29 | 2021-04-01 | 中铁二院工程集团有限责任公司 | Spherical steel support |
| CN112647409A (en) * | 2020-12-28 | 2021-04-13 | 杨智 | Horizontal swing type shock insulation support for building |
| CN116254760A (en) * | 2023-05-06 | 2023-06-13 | 菏泽城建工程发展集团有限公司 | Cable shock attenuation spherical support with shear resistance transition steel sheet structure |
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| CN101718077A (en) * | 2008-10-09 | 2010-06-02 | 上海市城市建设设计研究院 | Bridge girder anti-seismic bearing |
| CN101718076A (en) * | 2008-10-09 | 2010-06-02 | 上海市城市建设设计研究院 | Motion locking device |
| CN102021882A (en) * | 2009-09-23 | 2011-04-20 | 上海市城市建设设计研究院 | Earthquake resistant damping two-way spherical steel support with single guide rail |
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| CN203684079U (en) * | 2013-12-09 | 2014-07-02 | 中铁二院工程集团有限责任公司 | Bridge speed locking support |
| CN204000583U (en) * | 2014-05-29 | 2014-12-10 | 武汉鑫拓力工程技术有限公司 | A kind of damping supporting seat with classification energy-dissipating and shock-absorbing |
| CN205775820U (en) * | 2016-06-23 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of viscid fluid damping bridle iron |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20030034850A (en) * | 2001-10-29 | 2003-05-09 | 조영철 | A Structural Bearing with a Double Shock Absorbing Device |
| CN101718077A (en) * | 2008-10-09 | 2010-06-02 | 上海市城市建设设计研究院 | Bridge girder anti-seismic bearing |
| CN101718076A (en) * | 2008-10-09 | 2010-06-02 | 上海市城市建设设计研究院 | Motion locking device |
| CN102021882A (en) * | 2009-09-23 | 2011-04-20 | 上海市城市建设设计研究院 | Earthquake resistant damping two-way spherical steel support with single guide rail |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060129A (en) * | 2017-06-15 | 2017-08-18 | 金陵科技学院 | One kind damping shock isolating pedestal |
| CN107060129B (en) * | 2017-06-15 | 2022-04-22 | 金陵科技学院 | Damping shock insulation support |
| CN109811651A (en) * | 2017-11-20 | 2019-05-28 | 洛阳双瑞特种装备有限公司 | The big damping hyperboloid of one kind subtracts shock insulation spherical bearing |
| CN108570924A (en) * | 2018-05-14 | 2018-09-25 | 株洲时代新材料科技股份有限公司 | A kind of bridge girder anti-seismic bearing |
| WO2020011037A1 (en) * | 2018-07-13 | 2020-01-16 | 陆科 | Friction shock-isolation device opened promptly when being shaken and struck |
| WO2021057875A1 (en) * | 2019-09-29 | 2021-04-01 | 中铁二院工程集团有限责任公司 | Spherical steel support |
| CN112647409A (en) * | 2020-12-28 | 2021-04-13 | 杨智 | Horizontal swing type shock insulation support for building |
| CN116254760A (en) * | 2023-05-06 | 2023-06-13 | 菏泽城建工程发展集团有限公司 | Cable shock attenuation spherical support with shear resistance transition steel sheet structure |
| CN116254760B (en) * | 2023-05-06 | 2023-10-31 | 菏泽城建工程发展集团有限公司 | Cable shock attenuation spherical support with shear resistance transition steel sheet structure |
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Application publication date: 20160921 |