CN103603269B - Annular steel wire rope steel-ball composite damping support - Google Patents

Annular steel wire rope steel-ball composite damping support Download PDF

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CN103603269B
CN103603269B CN201310669197.3A CN201310669197A CN103603269B CN 103603269 B CN103603269 B CN 103603269B CN 201310669197 A CN201310669197 A CN 201310669197A CN 103603269 B CN103603269 B CN 103603269B
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wire rope
steel
steel wire
ball
rope
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CN103603269A (en
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万维东
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Wuhan Zeruihuan Technology Development Co., Ltd.
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万维东
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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 steel-ball composite damping support.It includes upper bearing plate and lower support plate, ball-crown body, bearing weight body and antivibrator it is provided with between described upper bearing plate and lower support plate, described antivibrator is steel-wire rope damper, described steel-wire rope damper is arranged in described ball-crown body and the periphery of described bearing weight body in the form of a ring, described steel-wire rope damper includes steel wire rope and the two set rope clamps being separately fixed on the upper and lower support plate of described upper bearing plate, and described steel wire rope is fixed between described two set rope clamps.The present invention has conventional ball type bridle iron, pulling force bearing and the function of antivibrator 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

Annular steel wire rope steel-ball composite damping support
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 steel-ball composite damping support.
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.
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, when crossing soft to soft foundation or bridge pier, damping effect reduces, and even can add The seismic response of big structure.And hydraulic pressure viscous damper is a kind of bar type structure, there is directivity, right Reduce axial geological process effect obvious, but earthquake is cannot to the seismic direction of bridge in advance Precognition, thus it be provided with certain blindness, it is common practice to bridge suitable bridge to Hydraulic damper is all installed with direction across bridge, limits its mechanical motion the most to a certain extent, reduce Damping effect.
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 annular steel wire rope steel-ball composite damping support of energy-dissipating and shock-absorbing effect is played in the earthquake of all directions.
The technical solution used in the present invention is: a kind of annular steel wire rope steel-ball composite damping support, bag Include upper bearing plate and lower support plate, between described upper bearing plate and lower support plate, be provided with ball-crown body, bearing Weight body and antivibrator, the spherical of described ball-crown body matches with the spherical concave surface of bearing weight body, All contacted by tetrafluoro slide plate slides between described ball-crown body with upper bearing plate and bearing weight body, described Antivibrator is steel-wire rope damper, and described steel-wire rope damper is arranged in described ball-crown body and institute in the form of a ring Stating the periphery of bearing weight body, described steel-wire rope damper includes steel wire rope and is separately fixed on described Two set rope clamps on the upper and lower support plate of support plate, described steel wire rope is fixed between described two set rope clamps.
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, described ball-crown body is supported on the spherical concave surface of described bearing weight body.
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 conventional ball type bridle iron, pulling force bearing and damping shock proof bearing:
Contact surface between ball-crown body and bearing weight body is sphere, and is contacted by tetrafluoro slide plate, ball Hat body can rotate in the concave surface of bearing weight body, produces during rotation between ball-crown body and top beam body One horizontal relative displacement by a small margin, this motion by the limited constraint of steel-wire rope damper, so this Seat has conventional ball type bridle iron needs the load-bearing possessed and the function that can rotate, and can work as conventional ball type Bridle iron uses.
Owing to steel-wire rope damper is fixed with upper bearing plate, lower support plate by rope clamp respectively, work as bearing When weight body is by pulling force, this pulling force can be born by steel-wire rope damper, and produces corresponding deformation, tool There is 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 and changes conveniently, low cost.
Simultaneously because upper bearing plate is fixed at the bottom of beam, lower support plate 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 and upper bearing plate, this relative motion is by steel-wire rope damper Hindering, steel wire rope produces detrusion, absorbs, dissipation seismic energy, it is achieved that to taphrogeny Impedance.
The present invention has conventional ball type bridle iron, pulling force bearing and the function of antivibrator concurrently, can resist level From the Earthquake Inertia Force Acting of all directions in face, play the effect of energy-dissipating and shock-absorbing, it is adaptable to all kinds of bridges, House architectural structure, nuclear power station structure 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 steel-wire rope damper of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural representation of rope clamp of the present invention.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is steel wire rope schematic diagram of the present invention.
Wherein: 1 upper bearing plate;2 lower support plate;3 ball-crown bodies;4 bearing weight body;5 steel wire ropes Antivibrator;6 dust covers;7 tetrafluoro slide plates;8 steel wire ropes;9 rope clamps;10 doughnut-shaped steel plates;11 rope clamps Hole;12 strand wires.
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 Pelvic cavity in be laid with tetrafluoro slide plate 7, be designed with spherical crown between described upper bearing plate 1 and lower support plate 2 Body 3 and bearing weight body 4, described ball-crown body 3 is supported on the spherical concave surface of described bearing weight body 4, Being laid with tetrafluoro slide plate 7 in the spherical concave surface of described bearing weight body 4, the most described ball-crown body 3 can be The spherical female rotation in surface of described bearing weight body 4, also can slide in the pelvic cavity of described upper bearing plate 1 Dynamic.Antivibrator and dust cover 6, institute it is also equipped with between described upper bearing plate 1 and described lower support plate 2 Stating antivibrator is steel-wire rope damper 5, described dust cover about 6 two ends respectively with described upper bearing plate 1 It is connected with lower support plate 2, described steel-wire rope damper 5 is covered.
As shown in Figure 2 and Figure 3, described steel-wire rope damper 5 is circulus, is looped around described ball Hat body 3 and the periphery of described bearing weight body 4.Described steel-wire rope damper 5 includes steel wire rope 8 He Being separately fixed at two set rope clamps 9 of described upper bearing plate 1, lower support plate 2, described steel wire rope 8 is fixed Overlapping between rope clamp 9 described two, steel wire rope 8 is formed, after molding again by the coiling of many strand wires 12 Dish helical structure circlewise, steel wire rope is by the schematic diagram after strand wire coiling molding as shown in Figure 6. Described steel wire rope is overall circulus or the circulus being spliced into by multi-segmental, and this circulus can For circular or oval circulus, it is possible to for other shapes of circulus.
As shown in Figure 4, Figure 5, described rope clamp 9 is made up of two pieces of doughnut-shaped steel plates 10, described two pieces of rings Shape steel plate 10 is bolted, and two faces that described two pieces of doughnut-shaped steel plates 10 are relative are circumferentially divided It is not provided with the semicircle orifice that can accommodate steel wire penetrating, on described two pieces of doughnut-shaped steel plates 10 the half of correspondence position Circular hole fastens the rope clamp hole 11 forming fixing steel wire rope.Described rope clamp is overall circulus or by more piece The circulus that section is spliced into, this circulus can be circular or oval circulus, it is possible to for Other shapes of circulus.The rope clamp 9 being spliced into circulus by multi-segmental is the ring-type knot closed Leave space between structure or sections and sections, make open structure, if the most ring-type rope clamp is by three joints Duan Zucheng, and these three sections are discontinuous, then leave space between sections and sections, ring-type for be interrupted Structure, corresponding steel wire rope is also for the circulus being interrupted.Described two set rope clamps 9 are respectively summit rope Folder and end point rope clamp, described summit rope clamp is bolted on described upper bearing plate 1, the described end Point rope clamp is bolted 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 Being mounted with the steel-wire rope damper 5 of described annular, described steel-wire rope damper 5 can each in horizontal plane Individual direction provides bigger impedance to geological process, relies on the detrusion of steel wire rope 8 to absorb, dissipate Seismic energy, has conventional ball type bridle iron, pulling force bearing and the function of damping shock proof bearing concurrently simultaneously.
1) use as conventional ball type bridle iron
Contacted by tetrafluoro slide plate 7 between ball-crown body 3 with bearing weight body 4, and contact surface be sphere, Contacting also by tetrafluoro slide plate 7 between ball-crown body 3 with upper bearing plate 1, contact surface is plane, therefore Ball-crown body 3 can rotate together with upper bearing plate 1 in perpendicular, while rotation, ball-crown body 3 with Producing a horizontal relative displacement by a small margin between the beam body of top, ball-crown body 3 can be at upper bearing plate 1 Motion in pelvic cavity.So this bearing has conventional ball type bridle iron and needs the load-bearing possessed and can slightly turn Dynamic function, can work as conventional ball type bridle iron and use.
2) use as pulling force bearing
Steel-wire rope damper 5 in the present invention is fixed between upper bearing plate 1 and lower support plate 2, for Ring-shaped structure, it is possible to bear the effect drawing, press, cut etc. power, produce corresponding deformation simultaneously.Lotus Under load effect, when bearing produces pulling force, between upper bearing plate 1 and lower support plate 2, just have separation Movement tendency, but this movement tendency is held by steel wire rope 8 by the obstruction of steel-wire rope damper 5, pulling force Being subject to, steel wire rope 8 creates vertical deflection, 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, also between pier, beam I.e. producing relative motion between lower support plate 2 and upper bearing plate 1, bearing weight body 4 is with lower support plate 2 Moving together, at this moment annular steel wire rope antivibrator 5 is sheared, generation detrusion, thus dissipate, Absorbing seismic energy, the earthquake of all directions in horizontal plane can be played the effect of energy-dissipating and shock-absorbing by this bearing, 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), erection support weight body 4 and ball-crown body 3;
3), installing steel-wire rope damper 5, steel-wire rope damper 5 can be prefabricated in the factory, and method is more Simple: according to calculating needs, the steel wire rope 8 of certain specification to be coiled into circular spiral shape, on summit and Clamp with rope clamp 9 respectively at end point, and fix with bolt, the most again with bolt by summit and end point Rope clamp 9 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 5 all can make a domain, it is possible to be divided into multiple sections peace Dress, the closed structure illustrating rope clamp to be 4 sections compositions in Fig. 4.
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 (6)

1. an annular steel wire rope steel-ball composite damping support, including upper bearing plate (1) and lower support plate (2) ball-crown body (3), bearing weight body (4) and resistance, it are provided with between described upper bearing plate (1) and lower support plate (2) Buddhist nun's device, the spherical of described ball-crown body (3) matches with the spherical concave surface of bearing weight body, described spherical crown All by tetrafluoro slide plate (7) sliding contact between body (3) and upper bearing plate (1) and bearing weight body (4), it is special Levying and be: described antivibrator is steel-wire rope damper, described steel-wire rope damper (5) is arranged in the form of a ring Described ball-crown body (3) and the periphery of described bearing weight body (4), described steel-wire rope damper (5) includes steel wire Rope (8) and two sets rope clamp (9) being separately fixed on described upper bearing plate (1) upper and lower support plate (2), described Steel wire rope (8) is fixed between described two sets rope clamp (9);Described steel wire rope (8) be by many strand wires around The circular spiral shape structure of system, described steel wire rope (8) for overall circulus or is spliced by multi-segmental The circulus become.
Annular steel wire rope steel-ball composite damping support the most according to claim 1, its feature exists In: described rope clamp (9) includes two pieces of doughnut-shaped steel plates (10), and described two pieces of doughnut-shaped steel plates (10) are by bolt even Connect, two faces that described two pieces of doughnut-shaped steel plates (10) are relative are circumferentially respectively equipped with and can accommodate steel wire rope and wear The semicircle orifice crossed, the semicircle orifice of the upper correspondence position of described two pieces of doughnut-shaped steel plates (10) fastens and forms fixing steel wire The rope clamp hole (11) of rope.
Annular steel wire rope steel-ball composite damping support the most according to claim 1 and 2, it is special Levy and be: described rope clamp (9) is overall circulus or the circulus being spliced into by multi-segmental.
Annular steel wire rope steel-ball composite damping support the most according to claim 3, its feature exists In: the described rope clamp (9) being spliced into circulus by multi-segmental is the circulus or sections and joint closed Space is left between Duan.
Annular steel wire rope steel-ball composite damping support the most according to claim 1, its feature exists In: described ball-crown body (3) is supported on the spherical concave surface of described bearing weight body (4).
Annular steel wire rope steel-ball composite damping support the most according to claim 1, its feature exists In: also include dust cover (6), described dust cover (6) up and down two ends respectively with described upper bearing plate (1) with under Support plate (2) connects.
CN201310669197.3A 2013-12-10 2013-12-10 Annular steel wire rope steel-ball composite damping support Active CN103603269B (en)

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CN105672512B (en) * 2016-01-20 2017-12-12 北京建筑大学 Seismic Isolation of Isolation Layer Horizontal limiting mechanism
CN105735115B (en) * 2016-03-01 2017-05-10 石家庄铁道大学 Connecting shock absorption device for continuous girder bridge zone control
CN106012835B (en) * 2016-05-12 2019-06-11 武汉泽瑞环科技开发有限公司 A kind of Cable Structure antivibration protective device based on circumferential wirerope
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
CN106436562B (en) * 2016-11-07 2017-12-15 济南大学 Annulus damper vibration absorption and isolation support
CN109780127A (en) * 2017-11-15 2019-05-21 中国电力科学研究院有限公司 A kind of damping device
CN109183608A (en) * 2018-09-12 2019-01-11 武汉东九永环工程技术有限公司 A kind of wrapping wirerope, wrapping steel-wire rope damper and composite damping support
CN110217394B (en) * 2019-06-12 2023-03-10 南昌航空大学 A shimmy device is hung to soft cable for having more rotor unmanned aerial vehicle
CN113235404B (en) * 2021-06-30 2022-09-27 重庆交通大学 Assembled steel structure shock insulation bent cap

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Effective date of registration: 20160906

Address after: 430060 Hubei Province, Wuhan city Wuchang District Golden Palace 7-1-901

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Patentee before: Wan Weidong