CN103603269A - Annular steel wire rope steel-ball composite damping support - Google Patents
Annular steel wire rope steel-ball composite damping support Download PDFInfo
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- CN103603269A CN103603269A CN201310669197.3A CN201310669197A CN103603269A CN 103603269 A CN103603269 A CN 103603269A CN 201310669197 A CN201310669197 A CN 201310669197A CN 103603269 A CN103603269 A CN 103603269A
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Abstract
The invention belongs to the technical field of seismic resistance in bridges, house buildings, nuclear power stations and mechanical engineering, and particular relates to an annular steel wire rope steel-ball composite damping support. The annular steel wire rope steel-ball composite damping support comprises an upper supporting plate and a lower supporting plate, wherein a spherical cap body, a support carrying body and a damper are arranged between the upper supporting plate and the lower supporting plate; the damper is a steel wire rope damper; the steel wire rope damper is annularly arranged on the peripheries of the spherical cap body and the support carrying body; the steel wire rope damper comprises a steel wire rope and two sets of rope clips which are fixed on the upper and lower supporting plates respectively; the steel wire rope is fixed between the two sets of rope clips. The annular steel wire rope steel-ball composite damping support has the functions of an ordinary spherical steel support, a pull support and a damper, can be used for resisting earthquake inertial force from each direction in a horizontal plane to achieve an energy dissipation effect, is suitable for various bridges, house building structures, nuclear power station structures and the like, and has a 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 a kind of hoop wire rope steel ball type composite damping bearing.
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 mankind constantly explore the structure control technology of the antidetonation of building, energy dissipating, damping, successively invent 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, when earthquake horizontal force surpasses 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.
Although above-mentioned lead core rubber support and friction-type damping supporting seat can play the effect that hoop subtracts shock insulation, 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.
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, in the time of need to changing, 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, provides a kind of and can play to the earthquake of all directions the hoop wire rope steel ball type composite damping bearing of energy-dissipating and shock-absorbing effect.
The technical solution used in the present invention is: a kind of hoop wire rope steel ball type composite damping bearing, comprise 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 damper, the spherical of described ball-crown body matches with the spherical concave surface of bearing weight body, between described ball-crown body and upper bearing plate and bearing weight body, all by tetrafluoro slide plate slides, contact, described damper is steel-wire rope damper, described steel-wire rope damper is arranged in the periphery of described ball-crown body and described bearing weight body 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 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 whole 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, along circumference, be respectively equipped with the semicircle orifice that can hold steel wire penetrating, on described two doughnut-shaped steel plates, the semicircle orifice of correspondence position fastens and forms the fixedly rope clamp hole of wire rope.
Further, described rope clamp is whole 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, described ball-crown body is supported on the spherical concave surface of described bearing weight body.
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 ball shaped steel bearing, pulling force bearing and damping shock proof bearing simultaneously:
Contact surface between ball-crown body and bearing weight body is sphere, and contact by tetrafluoro slide plate, ball-crown body can rotate on the recessed surface of bearing weight body, during rotation, between ball-crown body and top beam body, produce a horizontal relative displacement by a small margin, this motion is subject to the limited constraint of steel-wire rope damper, so this bearing has common the ball shaped steel bearing load-bearing that need to possess and the function that can rotate, can work as common ball shaped steel bearing and use.
Because steel-wire rope damper is fixed by rope clamp and upper bearing plate, lower support plate respectively, when bearing weight body is subject to pulling force, this pulling force can be born by steel-wire rope damper, and produces corresponding distortion, has obvious omen, structural safety is produced to early warning, even if produce, destroy, only need to change corresponding wire rope member, needn't change whole bearing, maintenance and replacing are convenient, and cost is low.
Simultaneously 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 is from where, between pier, beam, will produce relative motion, be to produce relative motion between lower support plate and upper bearing plate, this relative motion is subject to the obstruction of steel-wire rope damper, and wire rope produces shear strain, absorption, dissipation seismic energy, realized the impedance to taphrogeny.
The present invention has the function of common ball shaped steel bearing, pulling force bearing and damper concurrently, can resist the interior Earthquake Inertia Force Acting from all directions of horizontal plane, play the effect of energy-dissipating and shock-absorbing, 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 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 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 rope dampers; 6 dust covers; 7 tetrafluoro slide plates; 8 wire rope; 9 rope clamps; 10 doughnut-shaped steel plates; 11 rope clamp holes; 12 strand wires.
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, in the pelvic cavity of described upper bearing plate 1, be laid with tetrafluoro slide plate 7, between described upper bearing plate 1 and lower support plate 2, be designed with ball-crown 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, in the spherical concave surface of described bearing weight body 4, be laid with tetrafluoro slide plate 7, therefore described ball-crown body 3 can rotate in the spherical concave surface of described bearing weight body 4, also can in the pelvic cavity of described upper bearing plate 1, slide.Damper and dust cover 6 are also installed between described upper bearing plate 1 and described lower support plate 2, described damper is steel-wire rope damper 5, described dust cover is connected with lower support plate 2 with described upper bearing plate 1 respectively at two ends Shang Xia 6, and 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 the periphery of described ball-crown body 3 and described bearing weight body 4.Described steel-wire rope damper 5 comprises wire rope 8 and is separately fixed at two cover rope clamps 9 of described upper bearing plate 1, lower support plate 2, described wire rope 8 is fixed between described two cover rope clamps 9, wire rope 8 is formed by 12 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 6 again.Described wire rope is whole 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.
As shown in Figure 4, Figure 5, described rope clamp 9 is comprised of two doughnut-shaped steel plates 10, described two doughnut-shaped steel plates 10 are bolted, on relative two faces of described two doughnut-shaped steel plates 10, along circumference, be respectively equipped with the semicircle orifice that can hold steel wire penetrating, on described two doughnut-shaped steel plates 10, the semicircle orifice of correspondence position fastens and forms the fixedly rope clamp hole 11 of wire rope.Described rope clamp is whole 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 9 that is spliced into circulus by multi-segmental is sealing or sections and sections, leave space, make open structure, if be that ring-type rope clamp is comprised 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.Described two cover rope clamps 9 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 5 of described annular, described steel-wire rope damper 5 can all directions in horizontal plane provide larger impedance to geological process, rely on shear strain absorption, the dissipation seismic energy of wire rope 8, have the function of common ball shaped steel bearing, pulling force bearing and damping shock proof bearing simultaneously concurrently.
1) as common ball shaped steel bearing, use
Between ball-crown body 3 and bearing weight body 4, by tetrafluoro slide plate 7, contact, and contact surface is sphere, between ball-crown body 3 and upper bearing plate 1, also by tetrafluoro slide plate 7, contact, contact surface is plane, therefore ball-crown body 3 can rotate together with upper bearing plate 1 in perpendicular, when rotating, produce a horizontal relative displacement by a small margin between ball-crown body 3 and top beam body, ball-crown body 3 can move in the pelvic cavity of upper bearing plate 1.So this bearing has common the ball shaped steel bearing load-bearing that need to possess and the function that can slightly rotate, can work as common ball shaped steel bearing and use.
2) as pulling force bearing, use
Steel-wire rope damper 5 in the present invention is fixed between upper bearing plate 1 and lower support plate 2, is ring-shaped structure, can bear the effect of power such as drawing, press, cut, produces corresponding distortion simultaneously.Under load action, when bearing produces pulling force, will separative movement tendency between upper bearing plate 1 and lower support plate 2, but this movement tendency is subject to the obstruction of steel-wire rope damper 5, pulling force is born by wire rope 8, and wire rope 8 has produced vertical deflection, so this bearing can be used as pulling force bearing.
3) as damping shock proof bearing, use
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, also be to produce relative motion between lower support plate 2 and upper bearing plate 1, bearing weight body 4 is with lower support plate 2 motions, at this moment annular steel wire rope damper 5 is sheared, produce shear strain, thereby dissipate, absorb seismic energy, this bearing can play to the earthquake of all directions in horizontal plane the effect of energy-dissipating and shock-absorbing, therefore can use 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), erection support weight body 4 and ball-crown body 3;
3), steel-wire rope damper 5 is installed, steel-wire rope damper 5 can be prefabricated in the factory, method is comparatively simple: according to calculating needs, the wire rope of certain specification 8 is coiled into circular spiral shape, on summit and some place, the end, with rope clamp 9, clamp respectively, and with bolt, fix, and then with bolt, the rope clamp 9 at summit and some place, the end is separately fixed in upper bearing plate 1 and lower support plate 2;
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 5 and rope clamp all can be made a domain, also can be divided into a plurality of sections combinations and install, and illustrate that rope clamp is the closed structure that 4 sections form in Fig. 4.
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 (7)
1. a hoop wire rope steel ball type composite damping bearing, comprise upper bearing plate (1) and lower support plate (2), between described upper bearing plate (1) and lower support plate (2), be provided with ball-crown body (3), bearing weight body (4) and damper, the spherical of described ball-crown body (3) matches with the spherical concave surface of bearing weight body, between described ball-crown body (3) and upper bearing plate (1) and bearing weight body (4) all by tetrafluoro slide plate (7) sliding-contact, it is characterized in that: described damper is steel-wire rope damper, described steel-wire rope damper (5) is arranged in the periphery of described ball-crown body (3) and described bearing weight body (4) in the form of a ring, described steel-wire rope damper (5) comprises wire rope (8) and is separately fixed on described upper bearing plate (1), in lower support plate (2) two cover rope clamp (9), described wire rope (8) is fixed between described two cover rope clamps (9).
2. hoop wire rope steel ball type composite damping bearing according to claim 1, it is characterized in that: described wire rope (8) the circular spiral shape structure that many strand wire coilings form of serving as reasons, described wire rope (8) is whole circulus or the circulus that is spliced into by multi-segmental.
3. hoop wire rope steel ball type composite damping bearing according to claim 1, it is characterized in that: described rope clamp (9) comprises two doughnut-shaped steel plates (10), described two doughnut-shaped steel plates (10) are bolted, on relative two faces of described two doughnut-shaped steel plates (10), along circumference, be respectively equipped with the semicircle orifice that can hold steel wire penetrating, the semicircle orifice of the upper correspondence position of described two doughnut-shaped steel plates (10) fastens and forms the fixedly rope clamp hole (11) of wire rope.
4. according to the hoop wire rope steel ball type composite damping bearing described in claim 1 or 3, it is characterized in that: described rope clamp (9) is whole circulus or the circulus that is spliced into by multi-segmental.
5. hoop wire rope steel ball type composite damping bearing according to claim 4, is characterized in that: between the circulus that the described rope clamp (9) that is spliced into circulus by multi-segmental is sealing or sections and sections, leave space.
6. hoop wire rope steel ball type composite damping bearing according to claim 1, is characterized in that: described ball-crown body (3) is supported on the spherical concave surface of described bearing weight body (4).
7. hoop wire rope steel ball type composite damping bearing according to claim 1, is characterized in that: also comprise dust cover (6), the upper and lower two ends of described dust cover (6) are connected with lower support plate (2) with described upper bearing plate (1) respectively.
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| CN201310669197.3A CN103603269B (en) | 2013-12-10 | 2013-12-10 | Annular steel wire rope steel-ball composite damping support |
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| CN201310669197.3A CN103603269B (en) | 2013-12-10 | 2013-12-10 | Annular steel wire rope steel-ball composite damping support |
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| CN103603269B CN103603269B (en) | 2016-08-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105672512A (en) * | 2016-01-20 | 2016-06-15 | 北京建筑大学 | Horizontal limiting mechanism for seismic isolation layer |
| CN105735115A (en) * | 2016-03-01 | 2016-07-06 | 石家庄铁道大学 | Connecting shock absorption device for continuous girder bridge zone control |
| CN106012835A (en) * | 2016-05-12 | 2016-10-12 | 武汉泽瑞环科技开发有限公司 | Cable structure shock-resistant protection device based on annular steel wire ropes |
| 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 |
| CN106436562A (en) * | 2016-11-07 | 2017-02-22 | 济南大学 | Shock absorbing and isolating support with ring damper |
| 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 |
| 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 |
| CN110217394A (en) * | 2019-06-12 | 2019-09-10 | 南昌航空大学 | A kind of soft rope hanging shimmy damping device for multi-rotor unmanned aerial vehicle |
| CN113235404A (en) * | 2021-06-30 | 2021-08-10 | 重庆交通大学 | Assembled steel structure shock insulation bent cap |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672512B (en) * | 2016-01-20 | 2017-12-12 | 北京建筑大学 | Seismic Isolation of Isolation Layer Horizontal limiting mechanism |
| CN105672512A (en) * | 2016-01-20 | 2016-06-15 | 北京建筑大学 | Horizontal limiting mechanism for seismic isolation layer |
| CN105735115A (en) * | 2016-03-01 | 2016-07-06 | 石家庄铁道大学 | Connecting shock absorption device for continuous girder bridge zone control |
| CN106012835A (en) * | 2016-05-12 | 2016-10-12 | 武汉泽瑞环科技开发有限公司 | Cable structure shock-resistant protection device based on annular steel wire ropes |
| 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 |
| CN106436562A (en) * | 2016-11-07 | 2017-02-22 | 济南大学 | Shock absorbing and isolating support with ring damper |
| 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 |
| CN110217394A (en) * | 2019-06-12 | 2019-09-10 | 南昌航空大学 | A kind of soft rope hanging shimmy damping device for multi-rotor unmanned aerial vehicle |
| 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 |
| CN113235404A (en) * | 2021-06-30 | 2021-08-10 | 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 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 |