CN110158803A - The multi-direction damping of shock isolating pedestal is with drawing-resisting device and its every oscillation damping method - Google Patents

The multi-direction damping of shock isolating pedestal is with drawing-resisting device and its every oscillation damping method Download PDF

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CN110158803A
CN110158803A CN201910379053.1A CN201910379053A CN110158803A CN 110158803 A CN110158803 A CN 110158803A CN 201910379053 A CN201910379053 A CN 201910379053A CN 110158803 A CN110158803 A CN 110158803A
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power transmission
energy consumption
steel plate
spring
hollow stem
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CN110158803B (en
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徐赵东
胡钟玮
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Southeast University
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Southeast University
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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

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

Abstract

The invention discloses a kind of multi-direction damping of shock isolating pedestal and drawing-resisting device and its every shock-dampening method, device includes viscoplasticity energy consumption unit, five Force transmission parts, spring and bolt parts.Between the device is installed on the upper and lower steel plate of rubber earthquake isolation support by bolt, it can make what rubber earthquake isolation support realized multidimensional to provide biggish anti-pulling ability every shock-absorbing function, and for it, effectively prevent toppling for building structure.Meanwhile the device has very big deformability, can deform with the horizontal displacement of rubber support, it will not impacting every damping performance to its horizontal direction.In addition, the present invention is also equipped with the install convenient on rubber earthquake isolation support the characteristics of, it is easy in the long-term use and strong vibration is repaired and replaced later.

Description

The multi-direction damping of shock isolating pedestal is with drawing-resisting device and its every oscillation damping method
Technical field
The present invention relates to seismic isolation technology, the multi-direction damping of specifically a kind of shock isolating pedestal and drawing-resisting device and its every subtracting Shake method.
Technical background
All kinds of harmful vibrations such as earthquake undoubtedly can generate huge harm, more great danger to human production life One of evil, which is that, will lead to building structure damage or even collapses, and cause heavy losses safely to the people's lives and property.Basis It is to reduce a kind of of structural vibration reaction to spend the vibration control that at low cost, technical level is high, the ability of practice is strong every cushion technique Method.Rubber earthquake isolation support is that have at present in building every field of shock absorption every developing a most mature seed type in cushion technique It is extensive to use, and formed a set of standardized design specification.
Rubber earthquake isolation support function still has compared with big limitation at present, and deficiency is: vertically either every damping performance The ability for being also subject to pulling force is poor.However, earthquake or all kinds of vibrations and be not only present in horizontal direction, vertical earthquake or Vibration also takes up significant proportion.On the one hand vertical seismic action or vibration can generate serious destruction to building structure, on the other hand Building structure can be made by biggish Lift-off effect, to rubber earthquake isolation support be drawn bad.In addition, building structure is horizontal and perpendicular It is also easy to happen under to the combination of earthquake or vibration to topple, it also results in rubber earthquake isolation support and is opened.
Multidimensional is a kind of control method that can be isolated simultaneously and reduce horizontal and vertical earthquake or vibration every cushion technique.Mesh Preceding multi-dimensional shock absorption device mostly uses rubber earthquake isolation support and vertically every the combination of damping device.This way increases shock insulation The complexity of support, increases manufacturing cost, simultaneously because the shock isolating pedestal height after combination increases and vertical rigidity reduces, meeting Cause overall stability to decline, further increases the possibility that building structure is toppled.
Drawing-resisting device is arranged in rubber earthquake isolation support largely to improve the tensile property of support, and then supports The overturning effect of anti-building structure.In addition to vertical displacement, the horizontal displacement of support can also make drawing-resisting device deform.So And due to the limitation of rubber earthquake isolation support height, the deformability of previous drawing-resisting device is limited, is shaking or is vibrating smaller The lower limit that may reach deformation of effect, to inhibit the horizontal displacement of rubber earthquake isolation support, while itself can also break It is bad, therefore be difficult to mate to rubber support and generate preferable control effect under the vibration of amplitude.
To solve the above-mentioned problems, need to design multi-direction damping and the drawing-resisting device of a kind of shock isolating pedestal, on the one hand It provides for rubber every damping multidirectional every damping performance, on the other hand increases rubber earthquake isolation support and make in vertical seismic action or vibration With anti-pulling ability when toppling with building structure, while will not horizontally deformation performance causes shadow to rubber earthquake isolation support It rings, gives full play to the control effect of shock isolating pedestal, avoid destruction of the building structure under earthquake or effect of vibration.
Summary of the invention:
Technical problem solved by the invention is to provide multi-direction damping and the drawing-resisting device of a kind of shock isolating pedestal, by should Device is installed in rubber earthquake isolation support, can provide for rubber earthquake isolation support multidirectional every damping performance, and makes rubber vibration isolation Support can vertically bear very big pulling force, and then prevent toppling for building structure.Meanwhile the device has very big deformation Ability, will not having an impact every damping performance to rubber earthquake isolation support horizontal direction.In addition, the device be also equipped with rubber every The characteristics of shaking install convenient on support is easy in the long-term use and strong earthquakes is repaired and replaced later.
In order to solve the above-mentioned technical problem, the technological means that the present invention uses are as follows:
A kind of multi-direction damping of shock isolating pedestal and drawing-resisting device, comprising: rubber earthquake isolation support, which is characterized in that the rubber The upper steel plate of glue shock isolating pedestal and the corresponding position of lower steel plate open up threaded hole respectively, and the multi-direction energy consumption unit of multiple groups passes through bolt It is installed between upper steel plate and lower steel plate, and the core resilient cushion at rubber earthquake isolation support center is arranged symmetrically, more than every group Direction energy consumption unit include: outer steel cylinder, the upper head plate that outer steel cylinder upper end is set, the bottom plate that outer steel cylinder lower end is set, And setting is consumed energy unit in outer steel cylinder inner cavity and along axial upper and lower symmetrically arranged two viscoplasticity of outer steel cylinder, is the respectively One viscoplasticity energy consumption unit and the second viscoplasticity energy consumption unit;
First wirerope, one end drive the first viscoplasticity energy consumption unit upward in outer steel cylinder by the first Force transmission parts The compression energy consumption of end plate direction, first Force transmission parts include: the first outer power transmission steel plate, the first power transmission hollow stem, the first interior biography Power steel plate and the first spring, wherein the first outer power transmission steel plate is set at the outer steel cylinder lumen centers, upper surface with it is described The first viscoplasticity unit that consumes energy is in close contact, and the first power transmission hollow stem is closed at one end, another end opening, and the first power transmission is hollow The open end of bar passes through from the axle center of the first viscoplasticity energy consumption unit and connect afterwards with the first outer power transmission Interal fixation;
One end of first wirerope protrude into after the hollow lumen of the first power transmission hollow stem with described first in power transmission Interal fixation connect Connect, the other end stretch out after the outer steel cylinder with bolted splice;
First spring, which is arranged, is internally located at power transmission steel plate and the first power transmission in described first in the first power transmission hollow stem rod cavity Between hollow stem closed end;
Second wirerope, one end drive the second viscoplasticity energy consumption unit downward in outer steel cylinder by the second Force transmission parts The compression energy consumption of end plate direction, second Force transmission parts include: the second outer power transmission steel plate, the second power transmission hollow stem, the second interior biography Power steel plate and second spring, wherein the second outer power transmission steel plate is set at the outer steel cylinder lumen centers of device, lower surface and second The viscoplasticity unit that consumes energy is in close contact, and the second power transmission hollow stem is closed at one end, another end opening, the second power transmission hollow stem Open end passes through from the axle center of the second viscoplasticity energy consumption unit and connect afterwards with the second outer power transmission Interal fixation;
One end of second wirerope protrude into after the hollow lumen of the second power transmission hollow stem with described second in power transmission Interal fixation connect Connect, the other end stretch out after the outer steel cylinder with bolted splice;
The second spring, which is arranged, is internally located at power transmission steel plate and the second power transmission in described second in the second power transmission hollow stem rod cavity Between hollow stem closed end.
The first viscoplasticity energy consumption unit and the second viscoplasticity energy consumption unit are high dissipation viscoelastic material, and shape is Center cylindrical body with holes.
The center of power transmission hollow stem closed end is provided with duct for steel wire penetrating, and other end outer surface is equipped with screw thread, The spring is placed among the inner cavity of power transmission hollow stem, and wirerope is worn from the centre in power transmission hollow stem closed end duct and spring It crosses, is connect with interior power transmission steel plate;
It is provided with the cylindrical body in duct centered on interior power transmission steel plate, is contacted in power transmission hollow stem inner cavity with spring, for compressing Spring;Interior power transmission steel plate sets the duct there are two types of diameter along thickness, wherein wirerope in the duct of minor diameter after passing through big Setting expands end at diameter duct, realizes and is fixedly connected between interior power transmission steel plate.
The spring is metal coil spring or metal butterfly spring.
The end plate central hole passed through for the power transmission hollow stem, institute are had at the center of the upper head plate and bottom plate State clearance fit between power transmission hollow stem and the end plate central hole.
It is slidably connected between the outer power transmission steel plate and outer steel cylinder inner wall;
It is slidably connected between the interior power transmission steel plate and the inner wall of power transmission hollow stem.
The wire rope hole for steel wire penetrating, the wire rope hole are equipped on the power transmission hollow stem at the center of closed end Hole inner wall and wirerope between be equipped with rubber ring;
Threaded connection or welding are all made of between the upper head plate and outer steel cylinder, between bottom plate and outer steel cylinder.
A kind of multi-direction damping and drawing-resisting device based on the shock isolating pedestal every shock-dampening method,
Threaded hole is opened up by the four corners in rubber earthquake isolation support, the multi-direction energy consumption unit of multiple groups is installed on upper steel by bolt Between plate and lower steel plate, multidirectional damping performance and vertical anti-pulling ability are provided for rubber earthquake isolation support,
When the earthquake or vibration of horizontal direction occurs, reciprocal shear-deformable, the core rubber of horizontal direction occurs for isolation shock-damping rack Glue isolation cushion deforms after by shearing force generates isolating affection, meanwhile, with the increase that core rubber vibration isolation cushion deforms, device Run-off the straight makes the wirerope in multi-direction energy consumption unit generate pulling force, when earthquake or smaller effect of vibration, the deformation of device Or rigidity mainly drives interior power transmission steel plate compression spring to provide by wirerope;
When earthquake or larger effect of vibration, spring will drive gluing in the outer steel cylinder of outer power transmission steel plate compression after generating moderate finite deformation Elastic dissipation energy unit, viscoplasticity energy consumption unit can largely consume earthquake or vibrational energy under the action of reciprocating compression load, mention For the effectiveness in vibration suppression of horizontal direction, by the rigidity of adjustment spring, the unit that can consume energy to viscoplasticity provides larger energy dissipation capacity When the external force received of device and deformation controlled;
When spring because occur moderate finite deformation reach its limit due to can not continue to compress, due to viscoplasticity energy consumption unit have it is very big Compression deformation ability can continue to drive Force transmission parts Compressing Viscoelasticity energy consumption unit, consumption as lineoutofservice signal pull further increases Energy element can continue to consume energy with the horizontal displacement of core rubber vibration isolation cushion, provide the cushioning ability of horizontal direction;
When the earthquake or vibration of vertical direction occurs, a large amount of seismic energies are consumed by the compression of viscoplasticity energy consumption unit, Realize vertical damping effect;
When shock isolating pedestal is acted on by building because of the vertical lift-off for generation of laterally toppling, viscoplasticity consumes energy unit and spring Compression can generate very big rigidity, and very big tension pull out force is provided for support, core rubber vibration isolation cushion is prevented to be opened;
With earthquake or the end of vibration, core rubber vibration isolation cushion is returned to initial equilbrium position, the pulling force that wirerope provides It disappears, the deformation of viscoplasticity energy consumption unit and spring is restored.
Compared with the prior art, technical solution of the present invention has the beneficial effect that
One, the device can provide vertical working performance for rubber earthquake isolation support.Under vertical seismic action or effect of vibration, pass through pressure Contracting viscoplasticity energy consumption unit and spring, can consume the energy of input, provide for shock isolating pedestal vertical every damping performance.Together When, viscoplasticity energy consumption unit and spring have very big compression stiffness, increase the anti-pulling ability of shock isolating pedestal, effectively prevent Building structure is toppled.
Two, the device has very big deformability and elastic recovery capability.The total deformation of the device is viscoplasticity energy consumption The sum of unit and the deformation of spring, deformation is provided by spring when vibrating smaller, by viscoplasticity energy consumption unit and bullet when vibrating larger The compression of spring provides jointly.Meanwhile viscoplasticity energy consumption unit uses the elastic material with highly energy-consuming ability to have very by force Elasticity, occur to deform after larger compression still be restored.
Three, the device is applicable to traditional rubber earthquake isolation support.The device is installed between only needing to rubber earthquake isolation support In the middle, vertical anti-pulling and multidimensional can be provided for shock isolating pedestal every damping performance, have no need to change the form of traditional support, just In promoting in practical projects.
Four, the device will not have an impact the working performance of rubber earthquake isolation support horizontal direction.Due to the device itself Deformability is larger, can work together with the horizontal distortion of shock isolating pedestal, obtain the advantage of rubber earthquake isolation support itself It gives full play to.Simultaneously as viscoplasticity energy consumption unit when support horizontal distortion in device can compress, can consume a large amount of Vibrational energy, so that shock isolating pedestal is also had effectiveness in vibration suppression in the horizontal direction.
Five, the device mounts and dismounts convenient in rubber earthquake isolation support.Due to the steel up and down of the device and shock isolating pedestal It is connected between plate using high-strength bolt.Bolt need to be only screwed into the threaded hole of shock isolating pedestal steel plate when installation.It had been used for a long time After larger earthquake or vibration occur, the device is also quick detachable to be checked, repair and replaces Cheng Zhonghe.Meanwhile the device and rubber Shock isolating pedestal can produce respectively, and processing is low with manufacturing cost, high-efficient.
Detailed description of the invention
Fig. 1 is a kind of multi-direction damping of shock isolating pedestal of the present invention and the main view of drawing-resisting device,
Wherein, 1-1, outer steel cylinder;1-2-1, upper head plate;1-2-2, bottom plate;The first viscoplasticity of 2-1 energy consumption unit;2-2, second Viscoplasticity energy consumption unit;3-1-1, the first outer power transmission steel plate;3-1-2, the second outer power transmission steel plate;3-2-1, the first power transmission are hollow Bar;3-2-2, the second power transmission hollow stem;3-3-1, power transmission steel plate in first;3-3-2, power transmission steel plate in second;3-4-1, first Wirerope;3-4-2, the second wirerope;4-1, the first spring;4-2, second spring;5-1, the first bolt;5-2, the second bolt; Gap between 6-1, the first viscoplasticity energy consumption unit and outer steel cylinder;Sky between 6-2, the second viscoplasticity energy consumption unit and outer steel cylinder Gap;
Fig. 2 is the top view of Fig. 1 of the present invention;
Fig. 3 is the connection structure diagram of Force transmission parts and wirerope of the invention;
Wherein, 7-1, wirerope and interior power transmission steel plate junction expand end;7-2, wirerope and to be bolted place's bellend Head;
Fig. 4 is bolt of the present invention and shock isolating pedestal upper head plate connection schematic diagram;
Wherein, 9, the steel plate on rubber earthquake isolation support.
Fig. 5 is multi-direction damping and the 3-D view of drawing-resisting device of shock isolating pedestal of the present invention,
Wherein, 8, shock isolating pedestal.
Specific embodiment
In the following, being described in further detail in conjunction with Figure of description and specific embodiment to technical solution of the present invention.
As shown in Figures 1 to 4, a kind of multi-direction damping of shock isolating pedestal of the present invention and drawing-resisting device, the tension Pulling device is made of peripheral member, viscoplasticity energy consumption unit, Force transmission parts, spring and five major part of high-strength bolt.The viscoelastic Property energy consumption unit and Force transmission parts be symmetrically disposed in the inner cavity of peripheral member, high-strength bolt be used for device and rubber earthquake isolation support Connection between upper lower steel plate.
Embodiment
Peripheral member includes upper head plate 1-2-1, bottom plate 1-2-3 and outer steel cylinder 1-1.
Viscoplasticity consumes energy unit using with the viscoelastic material compared with highly energy-consuming ability, and vulcanization is formed at high temperature under high pressure, Cylindrical body with holes centered on shape.
Force transmission parts include force-transmitting piston, wirerope and interior power transmission steel plate, wherein force-transmitting piston is by outer power transmission steel plate and biography Power hollow stem is constituted.
Spring uses the biggish metal coil spring of rigidity.
Power transmission hollow stem is hollow cylindrical body, and closed at one end and be provided with duct at center and pass through for high-strength steel cord, Other end outer surface is threaded.It is placed the spring in when processing among the inner cavity of power transmission hollow stem, and makes wirerope from power transmission It passes through among the spring of hollow stem closed end duct and spring, is connect with interior power transmission steel plate.
It is provided with the cylindrical body in duct centered on interior power transmission steel plate, contacts, is used for spring in power transmission hollow stem inner cavity Compressed spring.Interior power transmission steel plate processes the duct of two kinds of diameters along thickness, wherein wirerope is passed through from the duct of minor diameter Setting expands end at major diameter duct afterwards, realizes securely connection.
The cylindrical body of threaded hole is provided with centered on outer power transmission steel plate, for Compressing Viscoelasticity energy consumption unit.Power transmission hollow stem It can be connect by outer surface thread with outer power transmission steel plate.
Viscoplasticity consume energy unit and Force transmission parts can simultaneous processing, and process two groups respectively.After processing is completed by power transmission structure The power transmission hollow stem of part is passed through from the duct of viscoplasticity energy consumption unit, is assembled, and consumes outer power transmission steel plate and viscoplasticity It can unit close contact.
Two groups of components after assembling are symmetrically disposed in the inner cavity of outer steel cylinder, outer steel cylinder is hollow cylinder, due to viscous Lateral expansion can be found after elastic dissipation energy cell compression, it should there are enough gaps between outer steel cylinder inner wall.Meanwhile outer steel cylinder Internal diameter should be 1 ~ 2mm bigger than outer power transmission steel plate outer diameter, guarantees that force-transmitting piston can smoothly move in steel cylinder inner cavity.
It uses and is threadedly coupled between upper head plate 1-2-1, bottom plate 1-2-2 and outer steel cylinder 1, upper head plate 1-2-1, bottom plate 1- The center 2-2 opens up circular hole, and Circularhole diameter should be greater than power transmission hollow stem outer diameter, guarantees the smooth movement of force-transmitting piston.
After by peripheral member and its assembled inside, bolt is set in the wirerope other end.There are two types of bolt-center is opened The duct of diameter, setting expands end 7-2 to wirerope at major diameter duct after passing through in the duct of minor diameter, realizes steel wire It restricts hinged with high-strength bolt.
A kind of multi-direction damping of shock isolating pedestal of the embodiment of the present invention and the working method of drawing-resisting device are:
Threaded hole is opened up respectively by the corresponding position of the upper lower steel plate in rubber earthquake isolation support, the height which is passed through into end Strength bolt is installed on support, and rubber earthquake isolation support is made to have the function of resisting multi-dimensional earthquake or vibration and biggish resistance drawing Ability.
Under earthquake in the horizontal direction or effect of vibration, the shear-deformable of horizontal direction occurs for rubber earthquake isolation support, generates Every damping effect, meanwhile, with the deformation of support, device run-off the straight makes wirerope generate pulling force.When earthquake or effect of vibration When smaller, wirerope will drive interior power transmission steel plate compression spring and generate compressive deformation;When earthquake or larger effect of vibration, spring It will drive force-transmitting piston Compressing Viscoelasticity energy consumption unit after generating moderate finite deformation, so that largely consumption earthquake or vibrational energy, mentions For the effectiveness in vibration suppression of horizontal direction.
Since viscoplasticity energy consumption unit and spring are arranged in parallel, the maximum deformation quantity that device can be generated is whole viscoplasticity The sum of the decrement of energy consumption unit and whole springs, therefore device has very big deformability, even if rubber earthquake isolation support is rare Very big horizontal displacement occurs when meeting under earthquake or meet with violent vibration, the deformation of device does not also reach capacity, therefore not It can having an impact every damping performance to support horizontal direction.
Under the earthquake of vertical direction or effect of vibration, by the compression of viscoplasticity energy consumption unit, it can consume in large quantities Energy is shaken, realizes vertical damping effect.Meanwhile the compression of viscoplasticity energy consumption unit and spring can generate very big rigidity, When building structure is acted on by upward lift-off, or occur it is lateral the device can provide very big tension pull out force when toppling, Rubber earthquake isolation support is prevented to be opened.
The device can be installed easily on rubber earthquake isolation support by high-strength bolt, and rubber earthquake isolation support is made to exist While giving full play to itself original advantage, have the function and biggish anti-pulling ability for resisting multi-dimensional earthquake or vibration.Together When, power transmission is carried out since the device uses wirerope flexible, and very big deformation can occurs in itself, therefore will not be to rubber Shock isolating pedestal horizontal direction has an impact every damping performance.In addition, the device can remove progress in the long-term use It checks, very easily can repair and replace after macroseism or larger vibration act on.

Claims (8)

1. a kind of multi-direction damping of shock isolating pedestal and drawing-resisting device, comprising: rubber earthquake isolation support, which is characterized in that described The upper steel plate of rubber earthquake isolation support and the corresponding position of lower steel plate open up threaded hole respectively, and the multi-direction energy consumption unit of multiple groups passes through spiral shell Bolt is installed between upper steel plate and lower steel plate, and the core resilient cushion at rubber earthquake isolation support center is arranged symmetrically, and every group Multi-direction energy consumption unit includes: outer steel cylinder, the upper head plate that outer steel cylinder upper end is arranged in, the lower end that outer steel cylinder lower end is arranged in Plate and setting are respectively in outer steel cylinder inner cavity and along the axial upper and lower symmetrically arranged two viscoplasticity energy consumption unit of outer steel cylinder First viscoplasticity energy consumption unit and the second viscoplasticity energy consumption unit;
First wirerope, one end drive the first viscoplasticity energy consumption unit upward in outer steel cylinder by the first Force transmission parts The compression energy consumption of end plate direction, first Force transmission parts include: the first outer power transmission steel plate, the first power transmission hollow stem, the first interior biography Power steel plate and the first spring, wherein the first outer power transmission steel plate is set at the outer steel cylinder lumen centers, upper surface with it is described The first viscoplasticity unit that consumes energy is in close contact, and the first power transmission hollow stem is closed at one end, another end opening, and the first power transmission is hollow The open end of bar passes through from the axle center of the first viscoplasticity energy consumption unit and connect afterwards with the first outer power transmission Interal fixation;
One end of first wirerope protrude into after the hollow lumen of the first power transmission hollow stem with described first in power transmission Interal fixation connect Connect, the other end stretch out after the outer steel cylinder with bolted splice;
First spring, which is arranged, is internally located at power transmission steel plate and the first power transmission in described first in the first power transmission hollow stem rod cavity Between hollow stem closed end;
Second wirerope, one end drive the second viscoplasticity energy consumption unit downward in outer steel cylinder by the second Force transmission parts The compression energy consumption of end plate direction, second Force transmission parts include: the second outer power transmission steel plate, the second power transmission hollow stem, the second interior biography Power steel plate and second spring, wherein the second outer power transmission steel plate is set at the outer steel cylinder lumen centers of device, lower surface and second The viscoplasticity unit that consumes energy is in close contact, and the second power transmission hollow stem is closed at one end, another end opening, the second power transmission hollow stem Open end passes through from the axle center of the second viscoplasticity energy consumption unit and connect afterwards with the second outer power transmission Interal fixation;
One end of second wirerope protrude into after the hollow lumen of the second power transmission hollow stem with described second in power transmission Interal fixation connect Connect, the other end stretch out after the outer steel cylinder with bolted splice;
The second spring, which is arranged, is internally located at power transmission steel plate and the second power transmission in described second in the second power transmission hollow stem rod cavity Between hollow stem closed end.
2. the multi-direction damping of shock isolating pedestal according to claim 1 and drawing-resisting device, which is characterized in that described first Viscoplasticity energy consumption unit and the second viscoplasticity energy consumption unit are high dissipation viscoelastic material, cylinder with holes centered on shape Body.
3. the multi-direction damping of shock isolating pedestal according to claim 1 and drawing-resisting device, which is characterized in that the power transmission The center of hollow stem closed end is provided with duct for steel wire penetrating, and other end outer surface is equipped with screw thread, and the spring is placed in power transmission Among the inner cavity of hollow stem, wirerope is passed through from the centre in power transmission hollow stem closed end duct and spring, is connected with interior power transmission steel plate It connects;
It is provided with the cylindrical body in duct centered on interior power transmission steel plate, is contacted in power transmission hollow stem inner cavity with spring, for compressing Spring;Interior power transmission steel plate sets the duct there are two types of diameter along thickness, wherein wirerope in the duct of minor diameter after passing through big Setting expands end at diameter duct, realizes and is fixedly connected between interior power transmission steel plate.
4. the multi-direction damping of shock isolating pedestal according to claim 1 and drawing-resisting device, which is characterized in that the spring For metal coil spring or metal butterfly spring.
5. the multi-direction damping of shock isolating pedestal according to claim 1 and drawing-resisting device, which is characterized in that the upper end The end plate central hole passed through for the power transmission hollow stem, the power transmission hollow stem and institute are had at the center of plate and bottom plate State clearance fit between end plate central hole.
6. the multi-direction damping of shock isolating pedestal according to claim 1 and drawing-resisting device, which is characterized in that the unofficial biography It is slidably connected between power steel plate and outer steel cylinder inner wall;
It is slidably connected between the interior power transmission steel plate and the inner wall of power transmission hollow stem.
7. the wire rope hole for steel wire penetrating is equipped on the power transmission hollow stem at the center of closed end, the wire rope hole Rubber ring is equipped between hole inner wall and wirerope;
Threaded connection or welding are all made of between the upper head plate and outer steel cylinder, between bottom plate and outer steel cylinder.
8. multi-direction damping and drawing-resisting device of the one kind based on any shock isolating pedestal in claim 1 ~ 6 every damping side Method, which is characterized in that
Threaded hole is opened up by the four corners in rubber earthquake isolation support, the multi-direction energy consumption unit of multiple groups is installed on upper steel by bolt Between plate and lower steel plate, multidirectional damping performance and vertical anti-pulling ability are provided for rubber earthquake isolation support,
When the earthquake or vibration of horizontal direction occurs, reciprocal shear-deformable, the core rubber of horizontal direction occurs for isolation shock-damping rack Glue isolation cushion deforms after by shearing force generates isolating affection, meanwhile, with the increase that core rubber vibration isolation cushion deforms, device Run-off the straight makes the wirerope in multi-direction energy consumption unit generate pulling force, when earthquake or smaller effect of vibration, the deformation of device Or rigidity mainly drives interior power transmission steel plate compression spring to provide by wirerope;
When earthquake or larger effect of vibration, spring will drive gluing in the outer steel cylinder of outer power transmission steel plate compression after generating moderate finite deformation Elastic dissipation energy unit, viscoplasticity energy consumption unit can largely consume earthquake or vibrational energy under the action of reciprocating compression load, mention For the effectiveness in vibration suppression of horizontal direction, by the rigidity of adjustment spring, the unit that can consume energy to viscoplasticity provides larger energy dissipation capacity When the external force received of device and deformation controlled;
When spring because occur moderate finite deformation reach its limit due to can not continue to compress, due to viscoplasticity energy consumption unit have it is very big Compression deformation ability can continue to drive Force transmission parts Compressing Viscoelasticity energy consumption unit, consumption as lineoutofservice signal pull further increases Energy element can continue to consume energy with the horizontal displacement of core rubber vibration isolation cushion, provide the cushioning ability of horizontal direction;
When the earthquake or vibration of vertical direction occurs, a large amount of seismic energies are consumed by the compression of viscoplasticity energy consumption unit, Realize vertical damping effect;
When shock isolating pedestal is acted on by building because of the vertical lift-off for generation of laterally toppling, viscoplasticity consumes energy unit and spring Compression can generate very big rigidity, and very big tension pull out force is provided for support, core rubber vibration isolation cushion is prevented to be opened;
With earthquake or the end of vibration, core rubber vibration isolation cushion is returned to initial equilbrium position, the pulling force that wirerope provides It disappears, the deformation of viscoplasticity energy consumption unit and spring is restored.
CN201910379053.1A 2019-05-08 2019-05-08 Multidirectional damping and pulling-out resisting device of vibration isolation support and vibration isolation and damping method thereof Active CN110158803B (en)

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CN201910379053.1A CN110158803B (en) 2019-05-08 2019-05-08 Multidirectional damping and pulling-out resisting device of vibration isolation support and vibration isolation and damping method thereof

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Publication number Priority date Publication date Assignee Title
CN113026813A (en) * 2021-03-18 2021-06-25 中国矿业大学 Subway station center pillar structure with shock attenuation is from restoring to throne function
CN114108859A (en) * 2021-11-01 2022-03-01 东南大学 Tension-compression type grid reinforced viscoelastic damper
CN114482291A (en) * 2022-02-17 2022-05-13 四川省建筑科学研究院有限公司 Rubber shock insulation support
CN114892800A (en) * 2022-04-20 2022-08-12 山东建筑大学 Assembled beam-column joint damping structure and construction method

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CN109113407A (en) * 2018-10-10 2019-01-01 徐赵东 A kind of multidimensional with anti-pull-out property is every vibration absorber and its every oscillation damping method
CN210288748U (en) * 2019-05-08 2020-04-10 东南大学 Multi-direction shock absorption and anti-pulling device of shock insulation support

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JPH11141186A (en) * 1997-11-13 1999-05-25 Oiles Ind Co Ltd Lock mechanism for base isolation support and base isolation support device using the same
CN106284731A (en) * 2016-10-17 2017-01-04 安徽信泽科技有限公司 The rubber cushion assembly that a kind of early stage rigidity is predeterminable
CN106382318A (en) * 2016-10-17 2017-02-08 安徽信泽科技有限公司 Spiral spring damper with early rigidity capable of being adjusted
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113026813A (en) * 2021-03-18 2021-06-25 中国矿业大学 Subway station center pillar structure with shock attenuation is from restoring to throne function
CN114108859A (en) * 2021-11-01 2022-03-01 东南大学 Tension-compression type grid reinforced viscoelastic damper
CN114482291A (en) * 2022-02-17 2022-05-13 四川省建筑科学研究院有限公司 Rubber shock insulation support
CN114482291B (en) * 2022-02-17 2024-04-02 四川省建筑科学研究院有限公司 Rubber shock insulation support
CN114892800A (en) * 2022-04-20 2022-08-12 山东建筑大学 Assembled beam-column joint damping structure and construction method

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