CN203639811U - Annular steel wire rope laminated rubber composite seismic mitigation and absorption support - Google Patents
Annular steel wire rope laminated rubber composite seismic mitigation and absorption support Download PDFInfo
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- CN203639811U CN203639811U CN201320889538.3U CN201320889538U CN203639811U CN 203639811 U CN203639811 U CN 203639811U CN 201320889538 U CN201320889538 U CN 201320889538U CN 203639811 U CN203639811 U CN 203639811U
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Abstract
The utility model belongs to the technical field of bridges, house buildings, nuclear power stations and mechanical engineering earthquake proofing and particularly relates to an annular steel wire rope laminated rubber composite seismic mitigation and absorption support. The annular steel wire rope laminated rubber composite seismic mitigation and absorption support comprises an upper supporting plate and a lower supporting plate, wherein a rubber support and a damper are arranged between the upper supporting plate and the lower supporting plate, the rubber support is a laminated rubber support or a lead core rubber support, the damper is a steel wire rope damper, the steel wire rope damper is annularly arranged on the periphery of the rubber support and comprises a steel wire rope and two rope clamps, and the steel wire rope is fixed between the rope clamps. The annular steel wire rope laminated rubber composite seismic mitigation and absorption support has functions of a common plate type rubber support, a tension support and a damper anti-seismic support and can resist earthquake inertia forces from a horizontal plane in all of directions and play energy dissipation and shake absorption roles, is suitable for various bridges, house buildings, nuclear power stations and the like and has 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, be specifically related to the compound vibration absorption and isolation support of a kind of hoop wire rope laminated rubber.
Background technology
Earthquake is one of natural calamity taking place frequently, and for a long time, the mankind are " helpless " in face of this natural calamity.Earthquake cause the immediate cause of Loss of Life and property be building strenuous vibration, destroy and collapse.Since twentieth century, the structure control technology of the antidetonation of the mankind to building, energy dissipating, damping is constantly explored, and successively invents and created following corresponding product and technology.
Lead core rubber support: by shear strain absorption and the dissipation seismic energy of lead for retractable pencil and rubber.
Hydraulic pressure viscous damper: dissipate, absorb seismic energy by liquid or the mobile generation damping force of semi-solid viscous material in cylinder body.
Friction-type damping supporting seat: adopt two spheres of upper and lower different radii to form two sliding friction pairs with coordinating position, guarantee the normal rotation of bearing and slippage function, in the time that earthquake horizontal force exceedes threshold values, between support friction pair, overcome friction produces relative sliding, large radius sphere friction pair can produce larger horizontal relative displacement, be that horizontal rigidity is less, thereby the kinetic energy that earthquake is produced is converted to potential energy, after breakthrough threshold values, less horizontal rigidity has played " shock insulation " effect.Due to the existence of frictional resistance, play " damping " effect simultaneously, consumed a part of earthquake energy.
Pulling force bearing: rely on convex-concave between upper bracket plate and lower support plate to connect opposing pulling force.
Subtract the effect of shock insulation although above-mentioned lead core rubber support and friction-type damping supporting seat can play hoop, horizontal rigidity is too low, and soft foundation or bridge pier are crossed when soft, and damping effect reduces, and even can add the seismic response of macrostructure.And hydraulic pressure viscous damper is a kind of bar type structure, there is directionality, to reducing axial geological process successful, but earthquake is unforeseen to the geological process direction of bridge in advance, thereby it be provided with certain blindness, common way be suitable bridge at bridge to direction across bridge, hydraulic damper being all installed, limited so to a certain extent its mechanical motion, reduced damping effect; And do not possess return function yet, after earthquake, need to lean on External Force Acting ability return.
In addition, existing pulling force bearing is all to connect opposing pulling force by convex-concave direct or indirect between upper bracket plate and lower support plate substantially, its connected mode is rigidity, when pulling force enough large, the destruction of bearing is without any omen, need to change time, can only whole bearing replacement, cost is higher and the cycle is long.
Summary of the invention
Object of the present invention is exactly the deficiency existing in order to solve above-mentioned background technology, and a kind of compound vibration absorption and isolation support of hoop wire rope laminated rubber that can play to the earthquake of all directions energy-dissipating and shock-absorbing effect is provided.
The technical solution used in the present invention is: the compound vibration absorption and isolation support of a kind of hoop wire rope laminated rubber, comprise upper bearing plate and lower support plate, between described upper bearing plate and lower support plate, be provided with neoprene bearing and damper, described neoprene bearing is laminated rubber bases or lead core rubber support, described damper is steel-wire rope damper, described steel-wire rope damper is arranged in described neoprene bearing periphery in the form of a ring, described steel-wire rope damper comprises wire rope and is separately fixed on described upper bearing plate, in lower support plate two cover rope clamp, described wire rope is circular spiral shape structure, described wire rope is fixed between described two cover rope clamps.
Further, the described wire rope circular spiral shape structure that many strand wire coilings form of serving as reasons, described wire rope is overall circulus or the circulus that is spliced into by multi-segmental.
Further, described rope clamp comprises two doughnut-shaped steel plates, described two doughnut-shaped steel plates are bolted, on relative two faces of described two doughnut-shaped steel plates, be respectively equipped with the semicircle orifice that can hold steel wire penetrating along circumference, on described two doughnut-shaped steel plates, the semicircle orifice of correspondence position fastens the rope clamp hole that forms fixing wire rope.
Further, described rope clamp is overall circulus or the circulus that is spliced into by multi-segmental.
Further, between the circulus that the described rope clamp that is spliced into circulus by multi-segmental is sealing or sections and sections, leave space.
Further, also comprise dust cover, the upper and lower two ends of described dust cover are connected with lower support plate with described upper bearing plate respectively.
The present invention can use as common laminated rubber bearing, pulling force bearing and damping shock proof bearing simultaneously:
In the time using as common plate formula neoprene bearing, neoprene bearing is formed by stacking by one deck rubber, one deck steel plate, and centre can arrange lead for retractable pencil, except can load-bearing, can also adapt to larger shear strain.Because rubber is flexible material, under unbalanced vertical pressure effect, can produce unbalanced vertical deformation, the vertical deformation of a side is large, the vertical deformation of opposite side is little, is similar to the small size rotation of spherical bearing in vertical plane, the function that has possessed load-bearing and can slightly rotate.
In the time using as pulling force bearing, this bearing has overcome existing pulling force bearing by the rigidly connected defect of convex-concave between upper and lower support plate, carrys out bearing tension by flexible wire rope.Steel-wire rope damper is ring-shaped structure, by rope clamp and upper bearing plate, lower support plate is fixed, can bear and draw, press, the effect of power such as cut, under load action, when bearing produces pulling force, on, will separative movement tendency between lower support plate, but this movement tendency is subject to the obstruction of wire rope, pulling force is born by wire rope, wire rope can produce obvious vertical deflection, part pulling force is discharged, before destroying, can produce obvious omen simultaneously, structural safety is produced to early warning, destroy even if produce, only need to change corresponding wire rope member, needn't change whole bearing, maintenance or replacing are all very convenient, cost is lower.
In the time using as damping shock proof bearing, due to upper bearing plate be fixed on beam at the bottom of, lower support plate is fixed on Dun Ding or platform top, under Earthquake Inertia Force Acting effect, no matter this power, from where, will produce relative motion between pier, beam, between lower support plate and upper bearing plate, produce relative motion, this relative motion is subject to the obstruction of steel-wire rope damper, laminated rubber, lead for retractable pencil or lead rod, produce shear strain, absorption, dissipation seismic energy, realized the impedance to taphrogeny.Laminated rubber be mainly " shock insulation " and effect, steel-wire rope damper be mainly absorb, dissipation seismic energy.
The present invention has the function of common laminated rubber bearing, pulling force bearing and damping shock proof bearing concurrently, can resist the Earthquake Inertia Force Acting from all directions in horizontal plane, play the effect of energy-dissipating and shock-absorbing, there is larger restoring force, after shake, be easier to reset, be applicable to all kinds of bridges, house architectural structure, nuclear power station structure etc., there is wide market prospects and good economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of neoprene bearing 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 wire rope of the present invention.
Wherein: 1-upper bearing plate; 2-lower support plate; 3-neoprene bearing; 4-steel-wire rope damper; 5-dust cover; 6-laminated rubber; 7-lead for retractable pencil; 8-steel plate; 9-wire rope; 10-rope clamp; 11-doughnut-shaped steel plate; 12-rope clamp hole; 13-strand wire.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, be convenient to be well understood to the present invention, but they do not form restriction to the present invention.
As shown in Figure 1, the present invention includes upper bearing plate 1 and lower support plate 2, between described upper bearing plate 1 and lower support plate 2, be provided with neoprene bearing 3, damper and dust cover 5, neoprene bearing 3 is laminated rubber bases or lead core rubber support, described damper is steel-wire rope damper 4, steel-wire rope damper 4 is arranged in described laminated rubber bases or lead core rubber support periphery in the form of a ring, described dust cover is connected with lower support plate 2 with described upper bearing plate 1 respectively at two ends Shang Xia 5, and described steel-wire rope damper 4 is covered.
Described laminated rubber bases is formed by stacking by one deck rubber, one deck steel plate, after arranging lead for retractable pencil 7, centre just becomes lead core rubber support as shown in Figure 2, lead core rubber support in figure is signal just, the present invention can be laminated rubber bases, many lead core rubber supports etc., they and steel-wire rope damper compatibility use, and can play " subtracting shock insulation " effect and " tension " effect.
As shown in Figure 3, Figure 4, described steel-wire rope damper 4 is circulus, is looped around described neoprene bearing 3 peripheries.Described steel-wire rope damper 4 comprises wire rope 9 and is separately fixed at two cover rope clamps 10 of described upper bearing plate 1, lower support plate 2, described wire rope 9 is fixed between described two cover rope clamps 10, wire rope 9 is formed by 13 coilings of many strand wires, after moulding, coil helical structure circlewise, the schematic diagram of wire rope after by strand wire coiling moulding as shown in Figure 7 again.Described wire rope 9 is overall circulus or the circulus that is spliced into by multi-segmental, and this circulus can be circular or oval-shaped circulus, also can be the circulus of other shape.
Described rope clamp is overall circulus or the circulus that is spliced into by multi-segmental, and this circulus can be circular or oval-shaped circulus, also can be the circulus of other shape.Between the circulus that the rope clamp 10 that is spliced into circulus by multi-segmental is sealing or sections and sections, leave space, make open structure, if such as ring-type rope clamp is made up of three sections, and these three sections discontinuous, between sections and sections, leave space, for the circulus of being interrupted, corresponding wire rope is the circulus for being interrupted also.As shown in Figure 5, Figure 6, described rope clamp 10 is made up of two doughnut-shaped steel plates 11, and described two doughnut-shaped steel plates 11 are bolted.To the rope clamp 10 of overall circulus, doughnut-shaped steel plate 11 is also overall circulus; To be spliced into the rope clamp 10 of circulus by multi-segmental, doughnut-shaped steel plate 11 is also divided into multiple sections.On relative two faces of described two doughnut-shaped steel plates 11, be respectively equipped with the semicircle orifice that can hold steel wire penetrating along circumference, on described two doughnut-shaped steel plates 10, the semicircle orifice of correspondence position fastens the rope clamp hole 12 that forms fixing wire rope.Described two cover rope clamps 10 are respectively summit rope clamp and end point rope clamp, and described summit rope clamp is bolted on described upper bearing plate 1, and some rope clamp of the described end is bolted in described lower support plate 2.
Core technology of the present invention has been between described upper bearing plate 1 and the described lower support plate 2 design and installation steel-wire rope damper 4 of described annular, be arranged in the periphery of neoprene bearing 3, except laminated rubber can play to earthquake " shock insulation " effect, annular wire rope damper also can all directions in horizontal plane provide larger impedance to geological process, rely on shear strain absorption, the dissipation seismic energy of wire rope, there is very good damping effect, have the function of common laminated rubber bearing, pulling force bearing and damping shock proof bearing simultaneously concurrently.
1) use as common laminated rubber bearing
Neoprene bearing 3 is formed by stacking by one deck rubber, one deck steel plate, and centre can arrange lead for retractable pencil 7, except can load-bearing, can also adapt to larger shear strain.Because rubber is flexible material, under unbalanced vertical pressure effect, can produce unbalanced vertical deformation, i.e. the vertical deformation of a side is large, and the vertical deformation of opposite side is little, is similar to the small size rotation of spherical bearing in vertical plane.After the distortion of lead for retractable pencil or lead rod, can recrystallization between molecule, the ability of adaptive deformation is also very strong.So this bearing has common the laminated rubber bearing load-bearing that need to possess and the function that can slightly rotate, can work as common laminated rubber bearing and use.
2) use as pulling force bearing
The present invention has overcome existing pulling force bearing by the rigidly connected defect of convex-concave between upper and lower support plate, carrys out bearing tension by flexible steel-wire rope damper 4.Steel-wire rope damper 4 is ring-shaped structure, fixes by rope clamp 10 and upper bearing plate 1, lower support plate 2, can bear the effect of power such as drawing, press, cut.Under load action, when bearing produces pulling force, will separative movement tendency between upper and lower base plate, but this movement tendency is subject to the obstruction of wire rope, pulling force is born by wire rope 9, wire rope 9 can produce obvious vertical deflection, part pulling force is discharged, before destroying, can produce obvious omen simultaneously, structural safety is produced to early warning, destroy even if produce, only need to change corresponding wire rope member, needn't change whole bearing, maintenance or replacing are all very convenient, cost is lower, uses so this bearing can be served as pulling force bearing.
3) use as damping shock proof bearing
Due to upper bearing plate 1 be fixed on beam at the bottom of, lower support plate 2 is fixed on Dun Ding or platform top, under Earthquake Inertia Force Acting effect, no matter this power is from where, between pier, beam, will produce relative motion, be to produce relative motion between lower support plate 1 and upper bearing plate 2, this relative motion is subject to the obstruction of steel-wire rope damper 4, laminated rubber 6, lead for retractable pencil 7 or lead rod, produces shear strain, absorption, dissipation seismic energy, realized the impedance to taphrogeny.Laminated rubber be mainly " shock insulation " and effect, steel-wire rope damper be mainly absorb, dissipation seismic energy.This bearing can play to the earthquake of all directions in horizontal plane the effect of energy-dissipating and shock-absorbing, uses therefore can serve as damping shock proof bearing.
Mounting method of the present invention is as follows:
1), difference pre-embedded bolt, installation lower support plate 2 and upper bearing plate 1 at the bottom of Dun Ding and beam;
2), install lead core rubber support, lead core rubber support also can be installed together with upper and lower supporting steel plate;
3), steel-wire rope damper 4 is installed, steel-wire rope damper 4 can be prefabricated in the factory, method is comparatively simple: according to calculating needs, the wire rope of certain specification 9 is coiled into circular spiral shape, clamp with rope clamp 10 respectively on summit and some place, the end, and fix with bolt, and then the rope clamp 10 at summit and some place, the end is separately fixed in upper bearing plate 1 and lower support plate 2 with bolt;
4), dust cover is finally installed.
It is to be noted: be easy construction, also be convenient in order to change assembly simultaneously, the wire rope of annular steel wire rope damper 4 and rope clamp all can be made a domain, also can be divided into multiple sections combinations and install, and the rope clamp 10 in Fig. 5 is the closed structure of 4 sections compositions.
Above content is the further description of the present invention being done in conjunction with concrete embodiment, can not assert that specific embodiment of the invention is confined to these explanations.For the those of ordinary skill of the technical field under the present invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.The content not being described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. the compound vibration absorption and isolation support of hoop wire rope laminated rubber, comprise upper bearing plate (1) and lower support plate (2), between described upper bearing plate (1) and lower support plate (2), be provided with neoprene bearing (3) and damper, described neoprene bearing (3) is laminated rubber bases or lead core rubber support, it is characterized in that: described damper is steel-wire rope damper (4), described steel-wire rope damper (4) is arranged in described neoprene bearing (3) periphery in the form of a ring, described steel-wire rope damper (4) comprises wire rope (9) and is separately fixed on described upper bearing plate (1), in lower support plate (2) two cover rope clamp (10), described wire rope (9) is circular spiral shape structure, described wire rope (9) is fixed between described two cover rope clamps (10).
2. the compound vibration absorption and isolation support of hoop wire rope laminated rubber according to claim 1, it is characterized in that: described wire rope (9) the circular spiral shape structure that many strand wire coilings form of serving as reasons, described wire rope is overall circulus or the circulus that is spliced into by multi-segmental.
3. the compound vibration absorption and isolation support of hoop wire rope laminated rubber according to claim 1, it is characterized in that: described rope clamp (10) comprises two doughnut-shaped steel plates (11), described two doughnut-shaped steel plates are bolted, on relative two faces of described two doughnut-shaped steel plates (11), be respectively equipped with the semicircle orifice that can hold steel wire penetrating along circumference, on described two doughnut-shaped steel plates, the semicircle orifice of correspondence position fastens the rope clamp hole (12) that forms fixing wire rope.
4. according to the compound vibration absorption and isolation support of hoop wire rope laminated rubber described in claim 1 or 3, it is characterized in that: described rope clamp (10) is overall circulus or the circulus that is spliced into by multi-segmental.
5. the compound vibration absorption and isolation support of hoop wire rope laminated rubber according to claim 4, is characterized in that: between the circulus that the described rope clamp (10) that is spliced into circulus by multi-segmental is sealing or sections and sections, leave space.
6. the compound vibration absorption and isolation support of hoop wire rope laminated rubber according to claim 1, it is characterized in that: also comprise dust cover (5), the upper and lower two ends of described dust cover (5) are connected with lower support plate (2) with described upper bearing plate (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889538.3U CN203639811U (en) | 2013-12-30 | 2013-12-30 | Annular steel wire rope laminated rubber composite seismic mitigation and absorption support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889538.3U CN203639811U (en) | 2013-12-30 | 2013-12-30 | Annular steel wire rope laminated rubber composite seismic mitigation and absorption support |
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| CN203639811U true CN203639811U (en) | 2014-06-11 |
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| CN201320889538.3U Withdrawn - After Issue CN203639811U (en) | 2013-12-30 | 2013-12-30 | Annular steel wire rope laminated rubber composite seismic mitigation and absorption support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726442A (en) * | 2013-12-30 | 2014-04-16 | 万维东 | Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer |
| 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 |
-
2013
- 2013-12-30 CN CN201320889538.3U patent/CN203639811U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726442A (en) * | 2013-12-30 | 2014-04-16 | 万维东 | Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer |
| CN103726442B (en) * | 2013-12-30 | 2016-08-17 | 万维东 | Annular steel wire rope lamination rubber compound seismic reduction and isolation bearer |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160817 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |