CN103726442B - Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer - Google Patents
Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer Download PDFInfo
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- CN103726442B CN103726442B CN201310750561.9A CN201310750561A CN103726442B CN 103726442 B CN103726442 B CN 103726442B CN 201310750561 A CN201310750561 A CN 201310750561A CN 103726442 B CN103726442 B CN 103726442B
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Abstract
The invention belongs to bridge, building construction, nuclear power station, mechanical engineering anti-seismic technology field, be specifically related to a kind of annular steel wire rope lamination rubber compound seismic reduction and isolation bearer.It includes upper bearing plate and lower support plate, rubber support and antivibrator it is provided with between described upper bearing plate and lower support plate, described rubber support is laminated rubber bases or lead core rubber support, described antivibrator is steel-wire rope damper, it is peripheral that described steel-wire rope damper is arranged in described rubber support in the form of a ring, described steel-wire rope damper includes steel wire rope and two set rope clamps, and described steel wire rope is fixed between described two set rope clamps.The present invention has common laminated rubber bearing, pulling force bearing and the function of damping shock proof bearing concurrently, the interior Earthquake Inertia Force Acting from all directions of horizontal plane can be resisted, play the effect of energy-dissipating and shock-absorbing, it is applicable to all kinds of bridge, house architectural structure, nuclear power station structure etc., there is wide market prospect and good economic benefit.
Description
Technical field
The invention belongs to bridge, building construction, nuclear power station, mechanical engineering anti-seismic technology field, specifically
Relate to a kind of annular steel wire rope lamination rubber compound seismic reduction and isolation bearer.
Background technology
Earthquake is one of natural disaster of taking place frequently, and for a long time, the mankind are " nothing in face of this natural disaster
Can be power ".Earthquake causes the immediate cause of Loss of Life and property to be the strenuous vibration of building, destruction
With collapse.Since twentieth century, the mankind are to the antidetonation of building, energy dissipating, the structure control of damping
Technology is constantly explored, and successively invents and create following corresponding product and technology.
Lead core rubber support: by detrusion absorption and the dissipation seismic energy of lead for retractable pencil and rubber.
Hydraulic pressure viscous damper: the flowing in cylinder body produces by liquid or semi-solid viscous material
Damping force dissipates, absorbs seismic energy.
Friction-type damping supporting seat: use two spheres of upper and lower different radii to form two cunnings with coordinating position
Dynamic friction is secondary, it is ensured that bearing rotates and sliding function normally, when earthquake horizontal force exceedes threshold values,
Overcoming frictional force to produce between support friction pair relatively to slide, large radius sphere friction pair can produce relatively flood
Flat relative displacement, i.e. horizontal rigidity are less, thus the kinetic energy that earthquake produces is converted to potential energy, break through
Horizontal rigidity less after threshold values serves " shock insulation " effect.Simultaneously because the existence of frictional resistance,
Serve " damping " effect, consume a part of seismic energy.
Pulling force bearing: rely on convex-concave between upper bracket plate and lower support plate to connect opposing pulling force.
Although above-mentioned lead core rubber support and friction-type damping supporting seat can play hoop subtracts the effect of shock insulation, but
Horizontal rigidity is too low, and when crossing soft to soft foundation or bridge pier, damping effect reduces, and even can strengthen
The seismic response of structure.And hydraulic pressure viscous damper is a kind of bar type structure, there is directivity, to subtracting
Few axial geological process effect is obvious, but earthquake is cannot be pre-to the seismic direction of bridge in advance
Know, thus it be provided with certain blindness, it is common practice to bridge suitable bridge to
Direction across bridge all installs hydraulic damper, limits its mechanical motion the most to a certain extent, reduces and subtract
Shake effect；And the most not possessing return function, after earthquake, needing could return by External Force Acting.
It addition, existing pulling force bearing is the most all by direct between upper bracket plate and lower support plate
Or indirectly convex-concave connects opposing pulling force, its connected mode is rigidity, when pulling force is sufficiently large, bearing
Destruction does not has any omen, when needing to change, can only whole bearing replacement, relatively costly and the cycle is long.
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 energy is right
The earthquake of all directions plays that the hoop steel wire rope laminated rubber of energy-dissipating and shock-absorbing effect is compound to be subtracted shock insulation and prop up
Seat.
The technical solution used in the present invention is: a kind of annular steel wire rope lamination rubber compound seismic reduction and isolation bearer,
Including upper bearing plate and lower support plate, be provided with between described upper bearing plate and lower support plate rubber support and
Antivibrator, described rubber support is laminated rubber bases or lead core rubber support, and described antivibrator is steel
Cord antivibrator, it is peripheral that described steel-wire rope damper is arranged in described rubber support in the form of a ring, described steel
Cord antivibrator includes steel wire rope and two sets being separately fixed on the upper and lower support plate of described upper bearing plate
Rope clamp, described steel wire rope is circular spiral shape structure, described steel wire rope be fixed on described two set rope clamps it
Between.
Further, described steel wire rope is by the circular spiral shape structure of many strand wire coilings,
Described steel wire rope is overall circulus or the circulus being spliced into by multi-segmental.
Further, described rope clamp includes that two pieces of doughnut-shaped steel plates, described two pieces of doughnut-shaped steel plates pass through bolt
Connect, two faces that described two pieces of doughnut-shaped steel plates are relative are circumferentially respectively equipped with and can accommodate steel wire rope and wear
The semicircle orifice crossed, on described two pieces of doughnut-shaped steel plates, the semicircle orifice of correspondence position fastens and forms fixing steel wire rope
Rope clamp hole.
Further, described rope clamp is overall circulus or the circulus being spliced into by multi-segmental.
Further, described be spliced into circulus by multi-segmental rope clamp be close circulus or
Space is left between sections and sections.
Further, also include dust cover, the upper and lower two ends of described dust cover respectively with described upper supporting
Plate is connected with lower support plate.
The present invention can use simultaneously as common laminated rubber bearing, pulling force bearing and damping shock proof bearing:
When using as common plate formula rubber support, rubber support is by one layer of rubber, one layer of steel plate overlapping
Forming, centre can arrange lead for retractable pencil, except can be in addition to load-bearing, moreover it is possible to adapts to bigger detrusion.
Owing to rubber is flexible material, under unbalanced vertical pressure effect, unbalanced vertical change can be produced
The vertical deformation of shape, i.e. side is big, and the vertical deformation of opposite side is little, is similar to spherical bearing vertically
Small size rotation in face, has possessed load-bearing and the function that can slightly rotate.
When using as pulling force bearing, this bearing overcomes existing pulling force bearing by upper and lower bearing
The rigidly connected defect of convex-concave between plate, bears pulling force by flexible steel wire rope.Steel wire rope damps
Device is ring-shaped structure, is fixed with upper bearing plate, lower support plate by rope clamp, it is possible to bear draw, press,
The effect of power such as cut, under load action, when bearing produces pulling force, will between upper and lower support plate
Having the movement tendency of separation, but this movement tendency is hindered by steel wire rope, pulling force is born by steel wire rope,
Steel wire rope can produce obvious vertical deflection, makes part pulling force be released, energy before simultaneously destroying
Producing obvious omen, structural safety is produced early warning, destroying even if producing, only need to change corresponding
Steel wire rope component, it is not necessary to change whole bearing, keeps in repair or changes all extremely convenients, and cost is relatively low.
When using as damping shock proof bearing, due to upper bearing plate be fixed at the bottom of beam, lower support plate solid
Being scheduled on pier top or platform top, under Earthquake Inertia Force Acting effect, no matter this power is from where, pier, Liang Zhi
Between will produce relative motion, i.e. produce relative motion between lower support plate and upper bearing plate, this is relative
Motion is hindered by steel-wire rope damper, laminated rubber, lead for retractable pencil or lead rod, produces detrusion,
Absorption, dissipation seismic energy, it is achieved that the impedance to taphrogeny.Laminated rubber be mainly " every
Shake " effect, steel-wire rope damper mainly absorbs, dissipation seismic energy.
The present invention has common laminated rubber bearing, pulling force bearing and the function of damping shock proof bearing, energy concurrently
Resist the interior Earthquake Inertia Force Acting from all directions of horizontal plane, play the effect of energy-dissipating and shock-absorbing, have bigger
Restoring force, be easier to after shake reset, it is adaptable to all kinds of bridges, house architectural structure, nuclear power station tie
Structures etc., have wide market prospect and good economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of rubber support of the present invention.
Fig. 3 is the structural representation of steel-wire rope damper of the present invention.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the structural representation of rope clamp of the present invention.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the schematic diagram of steel wire rope of the present invention.
Wherein: 1-upper bearing plate；2-lower support plate；3-rubber support；4-steel-wire rope damper；5-prevents
Dust hood；6-laminated rubber；7-lead for retractable pencil；8-steel plate；9-steel wire rope；10-rope clamp；11-doughnut-shaped steel plate；
12-rope clamp hole；13-strand wire.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is simple to clear
The present invention is understood on ground, but they do not constitute restriction to the present invention.
As it is shown in figure 1, the present invention includes upper bearing plate 1 and lower support plate 2, described upper bearing plate 1
And between lower support plate 2, it being provided with rubber support 3, antivibrator and dust cover 5, rubber support 3 is lamination
Rubber support or lead core rubber support, described antivibrator is steel-wire rope damper 4, steel-wire rope damper 4
It is arranged in described laminated rubber bases in the form of a ring or lead core rubber support is peripheral, described dust cover about 5
Two ends are connected with lower support plate 2 with described upper bearing plate 1 respectively, are covered by described steel-wire rope damper 4
Live.
Described laminated rubber bases is formed by stacking by one layer of rubber, one layer of steel plate, arranges lead for retractable pencil in centre
Lead core rubber support as shown in Figure 2 is just become after 7, the simply signal of the lead core rubber support in figure, this
Invention can be laminated rubber bases, many lead core rubber supports etc., they and steel-wire rope damper compatibility
Use, " subtracting shock insulation " effect can be played and " tension " acts on.
As shown in Figure 3, Figure 4, described steel-wire rope damper 4 is circulus, is looped around described rubber
Glue bearing 3 is peripheral.Described steel-wire rope damper 4 includes steel wire rope 9 and is separately fixed at described upper
Board 1, two set rope clamps 10 of lower support plate 2, described steel wire rope 9 is fixed on described two set rope clamps 10
Between, steel wire rope 9 is formed by the coiling of many strand wires 13, and after molding, dish spiral type circlewise is tied again
Structure, steel wire rope is by the schematic diagram after strand wire coiling molding as shown in Figure 7.Described steel wire rope 9 is
Overall circulus or the circulus being spliced into by multi-segmental, this circulus can be circular or oval
The circulus of shape, it is possible to for other shapes of circulus.
Described rope clamp is overall circulus or the circulus being spliced into by multi-segmental, this circulus
Can be circular or oval circulus, it is possible to for other shapes of circulus.Spelled by multi-segmental
The rope clamp 10 being connected into circulus is to leave space between circulus or sections and the sections closed, and does
Becoming open structure, if the most ring-type rope clamp is made up of three sections, and these three sections discontinuous, then
Leaving space between sections and sections, for the circulus being interrupted, corresponding steel wire rope is also for interruption
Circulus.As shown in Figure 5, Figure 6, described rope clamp 10 is made up of two pieces of doughnut-shaped steel plates 11, described
Two pieces of doughnut-shaped steel plates 11 are bolted.Rope clamp 10 to overall circulus, doughnut-shaped steel plate 11
Also it is overall circulus；To being spliced into the rope clamp 10 of circulus by multi-segmental, doughnut-shaped steel plate 11 is also
It is divided into multiple sections.Circumferentially it is respectively equipped with and can hold on two faces that described two pieces of doughnut-shaped steel plates 11 are relative
Receiving the semicircle orifice of steel wire penetrating, on described two pieces of doughnut-shaped steel plates 10, the semicircle orifice of correspondence position fastens shape
Become the rope clamp hole 12 of fixing steel wire rope.Described two set rope clamps 10 are respectively summit rope clamp and end point rope clamp,
Described summit rope clamp is bolted on described upper bearing plate 1, and some rope clamp of the described end passes through bolt
It is fixed in described lower support plate 2.
The core technology of the present invention is between described upper bearing plate 1 and described lower support plate 2 design peace
Fill the steel-wire rope damper 4 of described annular, be arranged in the periphery of rubber support 3, except laminated rubber
Can play earthquake outside " shock insulation " effect, annular wire rope antivibrator also can each in horizontal plane
Individual direction provides bigger impedance to geological process, relies on the detrusion of steel wire rope to absorb, dissipate ground
Shake energy, has the best damping effect, has common laminated rubber bearing concurrently, pulling force props up simultaneously
Seat and the function of damping shock proof bearing.
1) use as common laminated rubber bearing
Rubber support 3 is formed by stacking by one layer of rubber, one layer of steel plate, and centre can arrange lead for retractable pencil 7, except
Can be outside load-bearing, moreover it is possible to adapt to bigger detrusion.Owing to rubber is flexible material, in inequality
Under weighing apparatus vertical pressure effect, the vertical deformation that can produce unbalanced vertical deformation, i.e. side is big, separately
The vertical deformation of side is little, is similar to the spherical bearing small size rotation in vertical plane.Lead for retractable pencil or lead rod
After deformation, between molecule can recrystallization, the ability of adaptive deformation is the strongest.So this bearing tool
Having common laminated rubber bearing to need the load-bearing possessed and the function that can slightly rotate, energy ought be the most board-like
Rubber support uses.
2) use as pulling force bearing
Instant invention overcomes existing pulling force bearing to lack by convex-concave between upper and lower support plate is rigidly connected
Fall into, bear pulling force by flexible steel-wire rope damper 4.Steel-wire rope damper 4 is ring-shaped structure,
Fixed with upper bearing plate 1, lower support plate 2 by rope clamp 10, it is possible to bear and draw, press, the power such as cut
Effect.Under load action, when bearing produces pulling force, between upper and lower support plate, just have separation
Movement tendency, but this movement tendency is hindered by steel wire rope, and pulling force is born by steel wire rope 9, steel wire
Rope 9 can produce obvious vertical deflection, makes part pulling force be released, and can produce before destroying simultaneously
Raw obvious omen, produces early warning to structural safety, destroys even if producing, and only need to change corresponding steel
Cord component, it is not necessary to change whole bearing, keeps in repair or changes all extremely convenients, and cost is relatively low,
So this bearing can use as pulling force bearing.
3) use as damping shock proof bearing
Due to upper bearing plate 1 be fixed at the bottom of beam, lower support plate 2 is fixed on pier top or platform top, in earthquake
Under inertia force effect, no matter this power is from where, will produce relative motion, i.e. between pier, beam
Producing relative motion between lower support plate 1 and upper bearing plate 2, this relative motion is damped by steel wire rope
Device 4, laminated rubber 6, lead for retractable pencil 7 or the obstruction of lead rod, produce detrusion, absorb, dissipation earthquake
Energy, it is achieved that the impedance to taphrogeny.Laminated rubber be mainly " shock insulation " and effect, steel
Cord antivibrator mainly absorbs, dissipation seismic energy.This bearing can be to all directions in horizontal plane
The effect of energy-dissipating and shock-absorbing is played in earthquake, therefore can use as damping shock proof bearing.
The installation method of the present invention is as follows:
1), at difference pre-embedded bolt, installation lower support plate 2 and upper bearing plate 1 at the bottom of pier top and beam；
2), installing lead core rubber support, lead core rubber support also can be together with upper and lower supporting steel plate
Install；
3), installing steel-wire rope damper 4, steel-wire rope damper 4 can be prefabricated in the factory, and method is more
Simple: according to calculating needs, the steel wire rope 9 of certain specification to be coiled into circular spiral shape, on summit and
Clamp with rope clamp 10 respectively at end point, and fix with bolt, the most again with bolt by summit and end point
Rope clamp 10 be separately fixed in upper bearing plate 1 and lower support plate 2；
4), dust cover is finally installed.
It is noted that be easy construction, and for it is convenient to change assembly, annular steel wire
Steel wire rope and the rope clamp of rope antivibrator 4 all can make a domain, it is possible to be divided into multiple sections peace
Dress, the rope clamp 10 in Fig. 5 is the closed structure of 4 sections compositions.
Above content is to combine the further description that the present invention is done by specific embodiment, no
Can assert the present invention be embodied as be confined to these explanations.For the technical field belonging to the present invention
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some letters
Single deduction or replace, all should be considered as belonging to protection scope of the present invention.This specification is not made in detail
The content described belongs to prior art known to professional and technical personnel in the field.
Claims (5)
1. an annular steel wire rope lamination rubber compound seismic reduction and isolation bearer, including upper bearing plate (1) and lower
Board (2), is provided with rubber support (3) and antivibrator, institute between described upper bearing plate (1) and lower support plate (2)
Stating rubber support (3) is laminated rubber bases or lead core rubber support, it is characterised in that: described antivibrator
For steel-wire rope damper (4), described steel-wire rope damper (4) is arranged in described rubber support (3) outward in the form of a ring
Enclose, described steel-wire rope damper (4) include steel wire rope (9) and be separately fixed at described upper bearing plate (1) upper,
Two sets rope clamp (10) in lower support plate (2), described steel wire rope (9) is for be formed by many strand wire coilings
Circular spiral shape structure, described steel wire rope (9) is fixed between described two sets rope clamp (10), described steel wire
Rope is overall circulus or the circulus being spliced into by multi-segmental.
Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer the most according to claim 1, it is special
Levy and be: described rope clamp (10) includes that two pieces of doughnut-shaped steel plates (11), described two pieces of doughnut-shaped steel plates pass through bolt
Connect, two faces that described two pieces of doughnut-shaped steel plates (11) are relative are circumferentially respectively equipped with and can accommodate steel wire rope
The semicircle orifice passed, on described two pieces of doughnut-shaped steel plates, the semicircle orifice of correspondence position fastens and forms fixing steel wire
The rope clamp hole (12) of rope.
Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer the most according to claim 1 and 2,
It is characterized in that: described rope clamp (10) is overall circulus or the circulus being spliced into by multi-segmental.
Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer the most according to claim 3, it is special
Levy and be: the described rope clamp (10) being spliced into circulus by multi-segmental is the circulus or sections closed
And leave space between sections.
Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer the most according to claim 1, it is special
Levy and be: also include dust cover (5), described dust cover (5) up and down two ends respectively with described upper bearing plate (1)
It is connected with lower support plate (2).
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| CN201310750561.9A CN103726442B (en) | 2013-12-30 | 2013-12-30 | Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer |
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| CN201310750561.9A CN103726442B (en) | 2013-12-30 | 2013-12-30 | Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer |
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| CN103726442A CN103726442A (en) | 2014-04-16 |
| CN103726442B true CN103726442B (en) | 2016-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322454A (en) * | 2015-11-12 | 2016-02-10 | 中国电力科学研究院 | Separate shock isolation system |
| CN106436919A (en) * | 2016-10-18 | 2017-02-22 | 湖北中广公路勘察设计有限公司 | Annular steel wire rope-curved surface steel basin composite damping support base |
| CN109629404B (en) * | 2018-12-28 | 2021-02-12 | 同济大学 | Large-deformation rubber support with inhaul cable limiting combined section and reduced shear rigidity |
| CN112433461B (en) * | 2020-11-23 | 2021-09-03 | 深圳市精准时计科技有限公司 | Pointer type radio controlled movement |
| CN113818339B (en) * | 2021-10-29 | 2022-11-18 | 同济大学 | Steel damping shock absorption anti-falling beam support |
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Effective date of registration: 20160906 Address after: 430060 Hubei Province, Wuhan city Wuchang District Golden Palace 7-1-901 Patentee after: Wuhan Zeruihuan Technology Development Co., Ltd. Address before: 430060 Hubei Province, Wuhan city Wuchang District Jiyuqiao golden palace 7-1-901 Patentee before: Wan Weidong |