CN108385851A - A kind of tension limit shock isolating pedestal - Google Patents

A kind of tension limit shock isolating pedestal Download PDF

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Publication number
CN108385851A
CN108385851A CN201810102746.1A CN201810102746A CN108385851A CN 108385851 A CN108385851 A CN 108385851A CN 201810102746 A CN201810102746 A CN 201810102746A CN 108385851 A CN108385851 A CN 108385851A
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China
Prior art keywords
support body
sliding
tension
isolating pedestal
shock isolating
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CN201810102746.1A
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CN108385851B (en
Inventor
吴宜峰
李爱群
张瑞君
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/04Bearings; Hinges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The present invention provides a kind of tension limit shock isolating pedestal, including support body, upper junction plate, lower connecting plate and tension limiting device;Upper junction plate and lower connecting plate are fixed on the upper and lower ends of support body, and the surrounding of support body is respectively arranged with tension limiting device;Tension limiting device includes mutually orthogonal Liang Ge sliding and position limitations mechanism, and Liang Ge sliding and position limitations mechanism is connected by flexible material.The surrounding in support body is arranged in tension limiting device, it can freely be slid along X, Y-axis, the horizontal seismic isolation performance of support body is not influenced, and support body is limited in X, the maximum distortion of Y direction, flexible material bears pulling force of the support body by Z-direction, effectively enhances bearing Z-direction extensional rigidity.When macroseism occurs, by the way that tension limiting device is arranged, can effectively avoid the deformation limit that deforms more than of support body leads to unstability, while enhancing bearing Z-direction tensile capacity, improves stability and the safety of shock isolating pedestal.

Description

A kind of tension limit shock isolating pedestal
Technical field
The present invention relates to technical field of isolation, more particularly to a kind of tension limits shock isolating pedestal.
Background technology
With quickly propelling for social modernization's process and urbanization, population gradually tends to concentrate, the wealth of society quickly increases Long, the huge energy entrained by earthquake is also increasing to the threat of human civilization.This just forces earthquake resistant engineering personnel constantly Explore update seismic design of structures theory and method of preventing and reducing natural disasters.
Earthquake disaster is mostly derived from structure forced vibration caused by ground motion.The basic principle of shock insulation be by setting every Device is shaken, reduces structure level rigidity, extending structure natural vibration period, increase structural damping, to effectively reduce the earthquake of structure Response.
Shock insulation is to develop passive control measure earlier, and a large amount of theoretical research, model test and Practical Project macroseism are seen It surveys record and shows that the seismic response of engineering structure can be greatly lowered in shock insulation.The principle of seismic isolation technology is by works itself Shock isolating pedestal is installed between ground or lower support structure, using the smaller horizontal rigidity of shock isolating pedestal, extending structure object Vibration period, to reduce the power augmentation effect of structural earthquake effect.Civil Structrual Isolation system should have the property that:It holds Carry characteristic, shock insulation characteristic, energy dissipation behavior and stability and durability.
Seismic isolation technology is widely used at present in tier building and Mid and minor spans straight bridge, in recent years (super) skyscraper Also the technology is gradually being promoted and applied.It generally will produce larger topple for the skyscraper of base isolation, under severe earthquake action Torque so that base part bearing bears larger pulling force.And according to《Seismic design provision in building code》It is found that rubber support internal force Should not occur tensile stress when checking computations, and 1MPa is not to be exceeded for maximum value namely laminated rubber bases tensile capacity is weak, when bearing is held When by larger tensile stress, easily destroy.Similarly, in irregular building and bending bridge, because of structure upper barycenter and just Heart difference is more, and local bearing is it is equally possible that there are serious tension phenomenon.For these reasons, the tension of conventional shock isolating pedestal Ability becomes the major obstacle for hindering it to be applied in the structures isolation effects such as skyscraper, irregular building, bending bridge.
It is constructed suitable for the tension of rubber support currently, having researcher and proposing some, and which part is constructed Corresponding experimental study has been carried out, the reliability of its mechanical property is demonstrated.But there is also tension construction is aobvious simultaneously for these constructions Writing, which influences the horizontal mechanical property of support body, bearing vertical height or horizontal size, the worth further research improvement such as significantly increases The problem of.Though the function of horizontal seismic isolation can be met using common vibration isolator rubber bearing, vibration isolator rubber bearing is such as allowed Excessive horizontal shear deformation or corner are excessive, and vibration isolator rubber bearing failure damage can be made to even result in isolation structure and toppled down It collapses.
Invention content
The present invention is to solve the drawbacks described above of traditional shock isolating pedestal, provides a kind of tension limit shock isolating pedestal.
The present invention provides a kind of tension limit shock isolating pedestal, including support body, upper junction plate, lower connecting plate and tension limit Position device;Wherein,
The upper junction plate and the lower connecting plate are separately fixed at the upper and lower ends of the support body, the bearing sheet The surrounding of body is respectively arranged with tension limiting device;
The tension limiting device includes mutually orthogonal Liang Ge sliding and position limitations mechanism, two sliding and position limitation mechanisms point It is not set to the medial surface of the upper junction plate and the lower connecting plate, two sliding and position limitation mechanisms pass through flexible material phase Connection, the sliding and position limitation mechanism limit it in X, Y direction for adapting to support body in X, the deformation of Y-direction Maximum distortion, the pulling force that the flexible material is used to bear the support body by Z-direction.
Wherein, the sliding and position limitation mechanism includes sliding rail, sliding block and block;The upper company is fixed in the side of the sliding rail The medial surface of the medial surface of fishplate bar or lower connecting plate, the other side of the sliding rail and the sliding block constitutes opposite sliding surface, described The outside of sliding block is fixedly connected with the flexible material, and the both ends of the sliding rail are fixed with block.
Wherein, the block welding or bolt are at the both ends of the sliding rail.
Wherein, it is bonded with polytetrafluoroethylene (PTFE) thin layer on the inside of the sliding block.
Wherein, the support body is laminated rubber bases, lead core rubber support or high-damp rubber support.
Wherein, the flexible material is steel strand wires.
Wherein, it is applied with prestressing force on the steel strand wires, to offset or reduce pulling force of the external loads to support body.
Tension provided by the invention limits shock isolating pedestal, and tension limiting device is respectively arranged in the surrounding of support body, The both ends of tension limiting device are separately connected upper junction plate and lower connecting plate, enhance the tension carrying of tension limit shock isolating pedestal Ability bears the vertical tension that support body is subject to, avoids support body tensile failure.Wherein, tension limiting device setting exists The surrounding of support body, and can freely be slid along X, Y-axis, the horizontal seismic isolation performance of support body is not influenced.Tension limiting device Deformation of the support body in three directions of X, Y, Z axis is limited, is avoided when macroseism occurs, support body deforms more than deformation The limit leads to unstability, while effectively enhancing bearing Z-direction extensional rigidity, improves stability and the safety of shock isolating pedestal.
Description of the drawings
Fig. 1 is the front view that shock isolating pedestal is limited according to tension provided in an embodiment of the present invention;
Fig. 2 is to be illustrated according to the position relationship between support body provided in an embodiment of the present invention and tension limiting device Figure;
Fig. 3 is the structural schematic diagram according to tension limiting device provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram according to sliding and position limitation mechanism provided in an embodiment of the present invention;
Fig. 5 is the front view according to support body provided in an embodiment of the present invention under X-direction large deformation state;
Fig. 6 is the left view that shock isolating pedestal is limited according to tension provided in an embodiment of the present invention Figure;
Fig. 7 is the front view according to support body provided in an embodiment of the present invention under Y direction large deformation state;
In figure, 1. upper junction plates;2. sliding rail;3. sliding block;4. block;5. support body;6. flexible material;7. lower connection Plate;8. bolt;9. sliding and position limitation mechanism.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention One module embodiments, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having The every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is the front view that shock isolating pedestal is limited according to tension provided in an embodiment of the present invention, and Fig. 2 is according to of the invention real Position relationship schematic diagram between the support body 5 and tension limiting device of example offer is provided;As depicted in figs. 1 and 2, the present embodiment The tension limit shock isolating pedestal of offer includes support body 5, upper junction plate 1, lower connecting plate 7 and tension limiting device;Wherein,
The upper junction plate 1 and the lower connecting plate 7 are fixed on the upper and lower ends of the support body 5, the bearing sheet The surrounding of body 5 is respectively arranged with tension limiting device;
The tension limiting device includes mutually orthogonal Liang Ge sliding and position limitations mechanism 9, two sliding and position limitation mechanisms 9 It is respectively arranged at the medial surface of the upper junction plate 1 and the lower connecting plate 7, two sliding and position limitation mechanisms 9 pass through flexibility Material 6 is connected, and the sliding and position limitation mechanism 9 is described for limiting the support body 5 in X, the maximum distortion of Y direction The pulling force that flexible material 6 is used to bear the support body 5 by Z-direction.
Specifically, referring to Fig.1, tension limit shock isolating pedestal includes support body 5, and support body 5 is in upper junction plate 1 under Between connecting plate 7, in the present embodiment, upper junction plate 1 is identical with the structure of lower connecting plate 7, upper junction plate 1 and lower connecting plate 7 Size is more than the size of support body 5.Shock isolating pedestal refers to structure to reach the supporting arrangement that shock insulation requirement is arranged, and is upper Increase Seismic Isolation of Isolation Layer between portion's structure and ground, rubber earthquake isolation support is installed, plays and be flexible coupling with ground, skill in this way Art can fall the energy offset of earthquake 80% or so.Succinct to describe, " tension limits for " shock isolating pedestal " reference hereinafter Shock isolating pedestal ".
With reference to Fig. 2, the surrounding of support body 5 is respectively arranged with tension limiting device, the upper and lower ends of tension limiting device It is separately connected upper junction plate 1 and lower connecting plate 7, wherein tension limiting device is for limiting the support body 5 in X, Y, Z axis The deformation in three directions, and enhance the tension bearing capacity of tension limit shock isolating pedestal.
Fig. 3 is the structural schematic diagram according to tension limiting device provided in an embodiment of the present invention, with reference to Fig. 3, tension limit Device includes mutually orthogonal Liang Ge sliding and position limitations mechanism 9, and Liang Ge sliding and position limitations mechanism 9 is respectively arranged at the upper junction plate 1 With the medial surface of the lower connecting plate 7, two sliding and position limitation mechanisms 9 are connected by flexible material 6.Two sliding and position limitations Mechanism 9 corresponds to X-axis and Y direction setting respectively.
Wherein, according to《Seismic design provision in building code》It is found that tensile stress should not occur when rubber support Force checking calculation, and most 1MPa is not to be exceeded for big value namely laminated rubber bases tensile capacity is weak, when bearing bears larger tensile stress, easily occurs broken It is bad.The bearing capacity of flexible material 6 should ensure that the tensile stress of horizontal seismic isolation bearing is no more than above-mentioned Specification Design requirement.
When macroseism occurs, the meeting occurred level of support body 5 is shear-deformable, if deforming more than the deformation of support body 5 Unstability can occur for the limit, support body 5.The present embodiment limits support body 5 in X, Y direction by sliding and position limitation mechanism 9 Maximum distortion avoids bearing from deforming excessive generation unstability.
By connecting flexible material 6 between Liang Ge sliding and position limitations mechanism 9, the tension of enhancing tension limit shock isolating pedestal is held Loading capability, and bear pulling force of the support body 5 by Z-direction.
Tension provided in an embodiment of the present invention limits shock isolating pedestal, and tension limit is respectively arranged in the surrounding of support body The both ends of device, tension limiting device are separately connected upper junction plate and lower connecting plate 7, enhance the anti-of tension limit shock isolating pedestal Bearing capacity is drawn, support body tensile failure is avoided.Wherein, the surrounding in support body is arranged in tension limiting device, and along X, Y To can freely slide, the horizontal seismic isolation performance of support body is not influenced.Tension limiting device limits support body in X, Y, Z axis The deformation in three directions is avoided when macroseism occurs, and the deformation limit that deforms more than of support body leads to unstability, while effectively increasing Strong bearing Z-direction extensional rigidity, improves stability and the safety of shock isolating pedestal.
Fig. 3 is the structural schematic diagram according to tension limiting device provided in an embodiment of the present invention, and Fig. 4 is according to of the invention real The structural schematic diagram of the sliding and position limitation mechanism 9 of example offer is applied, as shown in Figure 3 and Figure 4, the sliding and position limitation mechanism 9 includes sliding rail 2, sliding block 3 and block 4;The upper junction plate 1 or lower connecting plate 7 are fixed in the side of the sliding rail 2, the sliding rail 2 it is another Side constitutes opposite sliding surface with 3 medial surface of the sliding block, and the outside of the sliding block 3 is fixedly connected with the flexible material 6.It is described The both ends of sliding rail 2 are fixed with block 4.
Specifically, with reference to Fig. 3, tension limiting device includes mutually orthogonal Liang Ge sliding and position limitations mechanism 9, two sliding limits Position mechanism 9 is separately fixed at the medial surface of upper junction plate 1 and the lower connecting plate 7.
With reference to Fig. 4, sliding and position limitation mechanism 9 includes sliding rail 2, sliding block 3 and block 4;Wherein, the both ends of sliding rail 2 are fixed with gear The side of block 4, sliding rail 2 is fixed on upper junction plate 1 or lower connecting plate 7 by bolt 8.In the present embodiment, upper junction plate 1 is fixed Sliding rail 2 and 7 fixed sliding rail 2 of lower connecting plate are orthogonal, constitute X-axis and the enclosed sliding rail of Y direction 2.
The medial surface of sliding block 3 constitutes opposite sliding surface on one side with sliding rail 2, and each sliding rail 2 corresponds to a sliding block 3 respectively.When When earthquake occurs, 5 occurred level of support body is shear-deformable, and the sliding block 3 of 5 surrounding of support body is slided along sliding rail 2 at this time.Sliding rail 2 both ends are fixed with block 4, and when sliding block 3 slides into the both ends of sliding rail 2, sliding block 3 is stopped by block 4, thus by bearing sheet In the range of the maximum horizontal deformation of body 5 is limited in and can bear, avoid support body 5 that unstability occurs.
Further, orthogonal sliding and position limitation mechanism 9 can adapt to displacement of the support body in arbitrary horizontal direction, not shadow Ring the horizontal seismic isolation performance of seat ontology, and limit support body 5 arbitrary horizontal direction maximum distortion.Such as exist simultaneously X The deformation of axis direction and the deformation of Y direction, sliding and position limitation mechanism can slide in X-axis, Y-axis both direction respectively simultaneously, To adapt to the deformation of above-mentioned horizontal direction.
Above-described embodiment illustrated below, Fig. 5 are according to support body provided in an embodiment of the present invention 5 in X-direction Front view under large deformation state, when macroseism occurs, support body 5 is shear-deformable along X-direction occurred level, at this time sliding block 3 slide in 2 upper edge X-direction of sliding rail.When support body 5 along X-direction occur maximum distortion to design deformation limit value, this When sliding block 3 stopped by block 4, limitation support body 5 deformation further increase, avoid support body 5 occur unstability.Two It is connected by flexible material 6 between sliding block 3, the tension bearing capacity of enhancing tension limit shock isolating pedestal, and limit bearing sheet Body 5 is avoided 5 tension of support body from being destroyed by the pulling force of Z-direction.
Fig. 6 is the left view that shock isolating pedestal is limited according to tension provided in an embodiment of the present invention, and Fig. 7 is according to of the invention real Front view of the support body 5 of example offer under Y direction large deformation state is provided;When macroseism occurs, support body 5 is along Y-axis Direction occurred level is shear-deformable, and sliding block 3 is free to slide in 2 upper edge Y direction of sliding rail at this time.When support body 5 is along Y direction It deforms to the deformation limit of design, sliding block 3 is stopped by block 4 at this time, and the deformation displacement for limiting support body 5 is further Increase, avoids support body 5 that unstability occurs.It is connected by flexible material 6 between two sliding blocks 3, enhancing tension limits shock insulation The tension bearing capacity of bearing, and pulling force of the support body 5 by Z-direction is limited, avoid 5 tension of support body from being destroyed.
In the present embodiment, when macroseism occurs, support body occurred level is shear-deformable, and sliding block is in sliding rail upper edge X at this time Axis or Y direction sliding.Support body is limited in X, the maximum distortion of Y direction by block, avoids the deformation of support body Excessive generation unstability.By connecting flexible material between two sliding blocks, the tension of enhancing tension limit shock isolating pedestal carries energy Power, and pulling force of the support body by Z-direction is limited, support body tensile failure is avoided, tension limit shock insulation branch is improved The safety of the stability of seat and tensile capacity and structure.
In one embodiment, the size of upper junction plate 1 and lower connecting plate 7 needs are determined according to the following conditions:Meet The horizontal earthquake of support body 5 deforms threshold limit value;Support body 5 does not contact always with block 4.Wherein, upper junction plate 1 is under Connecting plate 7 needs the installation site prepared screw-bolt hole according to sliding rail 2, so that sliding rail 2 and upper junction plate 1 or lower connecting plate 7 pass through Bolt 8 connects.
On the basis of the various embodiments described above, the block welding or bolt are at the both ends of the sliding rail.
Preferably, sliding rail 2 is prepared by stainless steel material, and when assembling processing, sliding block 3 is straight from one end of sliding rail 2 The track for sliding into sliding rail 2 is connect, after sliding block 3 is accessed sliding rail 2, then in the welding of the both ends of sliding rail 2 or bolted baffle 4.
On the basis of the various embodiments described above, the inside of the sliding block 3 is bonded with polytetrafluoroethylene (PTFE) thin layer.Sliding block 3 it is interior Side is connected with sliding rail 2.Polytetrafluoroethylene (PTFE) (Poly tetra fluoroethylene, be abbreviated as PTFE), commonly referred to as " no Adhesive coating layer " or " material easy to clean ".This material has the characteristics that antiacid alkali resistant, resists various organic solvents, is practically insoluble in institute Some solvents.Meanwhile polytetrafluoroethylene (PTFE) has the characteristics that heat safe, its friction coefficient is extremely low.
The present embodiment utilizes polytetrafluoroethylene (PTFE) friction in the polytetrafluoroethylene (PTFE) thin layer Nian Jie with one end that sliding rail 2 connects of sliding block 3 The low feature of coefficient reduces the friction coefficient of sliding block 3, keeps sliding block 3 free to slide, to the mechanical property to support body Without influence.
On the basis of the various embodiments described above, it is applied with prestressing force on the flexible material 6, to offset or reduce external lotus Carry the pulling force to support body 5.
Specifically, prestressing force is in order to improve shock isolating pedestal military service performance, when shock isolating pedestal makes by giving flexible material Tensile stress is previously applied on material 6 makes support body 5 be pressurized, to can completely or partially be supported when can guarantee that support body 5 is on active service Disappear tensile stress caused by load, avoids 5 tensile failure of support body.
In the present embodiment, application prestressing force can be realized by following three step on flexible material 6:Precompressed bearing sheet first Body 5;Then it is tensioned flexible material 6;Finally shed the precompressed of support body 5.After applying prestressing force on flexible material 6, when anti- When drawing limits pulling force of the shock isolating pedestal by external loads, drawing of the external loads to support body 5 can be offset or be reduced to prestressing force Power improves the tensile capacity of tension limit shock isolating pedestal.
On the basis of the various embodiments described above, the support body 5 is laminated rubber bases, lead core rubber support or high resistant Buddhist nun's rubber support.
Specifically, laminated rubber bases are to consist of two parts, and a part is steel sandwich1, and a part is multilayer rubber Piece, interlaced be stacked of this two parts bond through special process and shock isolating pedestal are made.Due to rubber support light plate and rubber Layer is mutually to be bonded, and steel plate has constrained effect to rubber layer, and under the action of vertical load, steel plate fetters rubber layer Vertical load is cooperatively undertaken, makes rubber support that there is enough vertical bearing capacity and rigidity, when shock isolating pedestal is by flatly When shake acts on, rubber layer can bear sizable lateral deformation and non-unstability, can effectively reduce the seismic energy being input in structure Amount.
Lead core rubber support is to be inserted into lead for retractable pencil at the center of normal stack rubber support, to improve rubber support damping and amortization Energy.For lead for retractable pencil bearing in addition to the gravity and horizontal force that can bear works, the plastic deformation of lead for retractable pencil can also largely absorb energy, and can Horizontal restoring force is provided by rubber.
High-damping isolation rubber support is that various compounding agents are added in natural rubber, for improving the damping and amortization of rubber (hysteresis loss can be increased, reduce its storage modulu), then utilize this rubber with damping manufactured and common rubber A kind of glue seat structure laminated product that approximately steel plate and rubber are made up of heat cure.
In the present embodiment, support body 5 is using in laminated rubber bases, lead core rubber support and high-damp rubber support One kind.
On the basis of the various embodiments described above, the flexible material 6 is steel strand wires.Steel strand wires are to be twisted structure by more steel wires At steel product, carbon steel surface can increase as needed zinc coat, allumen layer, aluminium coating (aluminum clad), Copper plate, painting epoxy resin (epoxy coated) etc..
On the basis of the various embodiments described above, it is applied with prestressing force on the steel strand wires, to offset or reduce external loads To the tensile stress of support body 5.Apply prestressing force on steel strand wires, is realized especially by following three step:Precompressed bearing first Ontology 5;Then steel strand wires are tensioned;Finally shed the precompressed of support body.When shock isolating pedestal makes by pre- on steel strand wires First applying tensile stress makes support body 5 be pressurized, and is led to can completely or partially offset load when can guarantee that support body 5 is on active service The pulling force of cause avoids 5 tensile failure of support body.
Tension provided in an embodiment of the present invention limits shock isolating pedestal, and tension limit is respectively arranged in the surrounding of support body Device, when macroseism occurs, support body occurred level is shear-deformable, and sliding block is slided in sliding rail upper edge X-axis or Y direction at this time It is dynamic.Support body is limited in X, the maximum distortion of Y direction by block, avoids the deformation displacement of support body is excessive from losing Surely.By connecting flexible material, the tension bearing capacity of enhancing tension limit shock isolating pedestal between two sliding blocks, and limit branch Seat ontology by the pulling force of Z-direction, avoid support body tensile failure, improve tension limit shock isolating pedestal stability with The safety of isolation structure.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute State in the process, method, article or equipment of element that there is also other identical elements.The side of the instructions such as term "upper", "lower" Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description, It does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, because This is not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;Can be that machinery connects It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood as the case may be in the present invention Concrete meaning.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, for the ordinary skill in the art, it is possible to understand that Can these embodiments be carried out with a variety of variations without departing from the principles and spirit of the present invention, modification, replace and become Type, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention Protection domain within.

Claims (7)

1. a kind of tension limits shock isolating pedestal, which is characterized in that limited including support body, upper junction plate, lower connecting plate and tension Position device;Wherein,
The upper junction plate and the lower connecting plate are separately fixed at the upper and lower ends of the support body, the support body Surrounding is respectively arranged with tension limiting device;
The tension limiting device includes mutually orthogonal Liang Ge sliding and position limitations mechanism, and two sliding and position limitation mechanisms are set respectively It is placed in the medial surface of the upper junction plate and the lower connecting plate, two sliding and position limitation mechanisms are connected by flexible material It connects, for limiting the support body in X, the maximum distortion of Y direction, the flexible material is used for for the sliding and position limitation mechanism Bear pulling force of the support body by Z-direction.
2. tension according to claim 1 limits shock isolating pedestal, which is characterized in that the sliding and position limitation mechanism includes sliding Rail, sliding block and block;The medial surface of the upper junction plate or lower connecting plate is fixed in the side of the sliding rail, the sliding rail it is another The medial surface of side and the sliding block constitutes opposite sliding surface, and the outside of the sliding block is fixedly connected with the flexible material, institute The both ends for stating sliding rail are fixed with block.
3. tension according to claim 2 limits shock isolating pedestal, which is characterized in that the block welding is bolted described The both ends of sliding rail.
4. tension according to claim 2 limits shock isolating pedestal, which is characterized in that be bonded with poly- four on the inside of the sliding block Vinyl fluoride thin layer.
5. tension according to claim 1 limits shock isolating pedestal, which is characterized in that the support body is laminated rubber branch Seat, lead core rubber support or high-damp rubber support.
6. tension according to claim 1 limits shock isolating pedestal, which is characterized in that the flexible material is steel strand wires.
7. tension according to claim 6 limits shock isolating pedestal, which is characterized in that be applied with pre- answer on the steel strand wires Power, to offset or reduce pulling force of the external loads to support body.
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Cited By (6)

* Cited by examiner, † Cited by third party
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CN109138205A (en) * 2018-09-10 2019-01-04 北京建筑大学 Variation rigidity tension slide device
CN109629406A (en) * 2019-01-15 2019-04-16 同济大学 A kind of precompressed resistance to plucking inhaul cable damping support saddle
CN110863423A (en) * 2019-11-28 2020-03-06 刘海洋 Bridge butt joint anti-seismic device
CN112681552A (en) * 2020-12-24 2021-04-20 青岛理工大学 Second-order enhanced type connecting beam type metal damping shock absorption system
CN115162816A (en) * 2022-08-15 2022-10-11 中国建筑西南设计研究院有限公司 Prestress tensile anti-overturning shock isolation device and construction method thereof
CN115288318A (en) * 2022-09-05 2022-11-04 安徽工业大学 Anticollision is from restoring to throne two dimension isolation bearing

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