CN102182258A - Double-layer multi-dimensional shock isolation/absorption device - Google Patents

Double-layer multi-dimensional shock isolation/absorption device Download PDF

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Publication number
CN102182258A
CN102182258A CN 201110079209 CN201110079209A CN102182258A CN 102182258 A CN102182258 A CN 102182258A CN 201110079209 CN201110079209 CN 201110079209 CN 201110079209 A CN201110079209 A CN 201110079209A CN 102182258 A CN102182258 A CN 102182258A
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CN
China
Prior art keywords
steel plate
core pad
viscoplasticity
shock isolation
plate
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Pending
Application number
CN 201110079209
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Chinese (zh)
Inventor
徐赵东
郭一峰
王绍安
黄兴淮
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Southeast University
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Southeast University
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Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN 201110079209 priority Critical patent/CN102182258A/en
Publication of CN102182258A publication Critical patent/CN102182258A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a double-layer multi-dimensional shock isolation/absorption device which is a multi-dimensional isolation/absorption device applied to shock isolation and absorption of a long-span grid structure, a building structure, a platform structure and the like. The device is formed by overlapping two layers of shock isolation/absorption devices; in each shock isolation/absorption device, a connection steel plate (3) is arranged at the top layer; a viscoelastic core pad (2) is located below the middle part of the connection steel plate (3); the lower part of the viscoelastic core pad (2) is connected with a core pad base plate (4); the lower part of the core pad base plate (4) is connected with a fixed steel plate (5); a middle fixed plate of a viscoelastic plate type damper (1) is connected with the two sides of the connection steel plate (3); and fixed plates at the two sides of the viscoelastic plate type damper (1) are connected with the fixed steel plate (5). The double-layer multi-dimensional shock isolation/absorption device disclosed by the invention has the advantages of simple structure, good energy consumption effect and low manufacturing cost, is convenient to construct, can realize horizontally bidirectional and vertical shock isolation at the same time, and can consume the shock energy while isolating external excitation so as to protect the shock isolation device from being damaged under great external excitation.

Description

Double-deck multidimensional is every damping device
Technical field
The present invention be a kind of multidimensional that is used for shock insulations such as big inter-network lattice structure, building structure, platform structure and damping every damping device, especially can isolate and consume the multi-dimensional earthquake energy.
Background technology
Seismic forces and the wind power of shaking are the major control loads that building structure is born; also be to cause building structure that the principal element of destroying and collapsing takes place; force mechanism and the dynamic response of cognitive structure under the dynamic load effect exactly, and it is implemented reliable antidetonation (shaking) safeguard measure is the research topic of a frontier nature.Structural vibration control is a kind of novel antidetonation (shaking) mode, promptly utilizes isolator or damper to isolate or consumption external drive energy, alleviates the destruction of external drive to main structure to reach.At present the earthquake isolating equipment at the earthquake developmental research has rubber vibration isolation cushion, lead-rubber shock insulation pad and sliding and shock isolation device etc., at the energy-dissipating device of earthquake (wind shakes) developmental research viscoelastic damper, viscous fluid damper, metal damper, frcition damper, marmem damper, magnetic () rheological damper etc. is arranged.Yet these earthquake isolating equipments only play level to buffer action, but can not play level to the vertical effect of isolating simultaneously; And energy-dissipating device can not play function of shock insulation; Existing earthquake isolating equipment anti-pulling ability simultaneously, under strong external drive, draw easily bad, the shortage safeguard measure; Existing do not possess isolation or consume the local vibration moment of flexure and the effect of node vibration moment of flexure every damping device.A large amount of actual shake (shaking) evils show: for large-span structure, vertical earthquake (wind suction) is a very important external drive, simultaneously for horizontal direction, two span directions are all bigger, therefore vertically with two horizontal directions all must give enough attention every cushioning effect.
Summary of the invention
Technical problem: the multidimensional that the objective of the invention is to develop a kind of cheap, dependable performance, easy construction is every damping device; this device can be isolated the earthquake of vertical and two horizontal directions simultaneously; vibrational energy also can dissipate when isolating earthquake; and can protective device under big external drive, do not drawn badly, can be isolated or consume local vibration moment of flexure and node vibration moment of flexure.
Technical scheme: double-deck multidimensional of the present invention is formed by stacking every damping device by two-layer every damping device, should allow the moving displacement direction that produces vertical mutually every damping device, every layer every damping device by the board-like baffle-wall of viscoplasticity, the viscoplasticity core pad is positioned at the below that connects the steel plate middle part, the bottom of viscoplasticity core pad connects the core pad backing plate, and the bottom of core pad backing plate is connected and fixed steel plate; The center fixed plate of the board-like damper of viscoplasticity and the both sides that are connected steel plate connect, the both sides fixed head of the board-like damper of viscoplasticity be connected and fixed steel plate and be connected.What two-layer up and down core pad adopted is the highly energy-consuming viscoelastic material.
When external drive is the multidimensional excitation, the vibrational energy of the horizontal earthquake action of both direction is respectively by the dissipation that deforms of the board-like damper of two-layer viscoplasticity up and down, simultaneously since level to, the board-like damper of viscoplasticity is the rigidity weakness, the bottom vibrational energy can be isolated to the top structural transmission, the two-way horizontal effect can be obviously reduced structural damage; For vertical vibrational energy, when small deformation, lean on the energy that compresses pine generation crimp dissipation fraction of the power consumption material layer of viscoplasticity core pad, when large deformation, promptly when the outside is vertically encouraged acceleration greater than acceleration of gravity, superstructure drives additional steel plate and moves upward, and the board-like damper of viscoplasticity this moment produces distortion, dissipates vibration energy; Be connected owing to connect not establish between steel plate and the core pad, avoided the viscoplasticity core pad under the larger earthquake effect, to be drawn bad possibility.Simultaneously, the board-like damper of viscoplasticity for every layer of two symmetry in damping device can form a pair of damping force couple under geological process, thereby reduces the local vibration moment of flexure at geological process lower node place.This shows that this bilayer multidimensional can not only play the horizontal bidirectional shock insulation every damping device, and can play vertical earthquake isolating; Can not only shock insulation, and the damping of consuming energy; Can protect the viscoplasticity core pad to avoid drawing bad; Can reduce to vibrate the damage effect of overturning moment or node vibration moment of flexure.
Beneficial effect: the double-deck multidimensional of being invented has the advantage of simple structure, effective, cheap, the easy construction of power consumption every damping device, and it can not only play the horizontal bidirectional shock insulation, and can play vertical earthquake isolating; Can not only shock insulation, and the damping of consuming energy; Can protect the viscoplasticity core pad to avoid drawing bad; Can reduce to vibrate the damage effect of overturning moment or node vibration moment of flexure.It can be widely used in the multi-direction shock insulation and the damping of big inter-network lattice structure, building structure, platform structure etc.
Description of drawings
Fig. 1 is a cross-sectional view of the present invention.Have among the figure: the board-like damper 1 of viscoplasticity, viscoplasticity core pad 2, connection steel plate 3, core pad backing plate 4, fixation steel plate 5.
Fig. 2 is a side elevational view of the present invention.
The specific embodiment
Double-deck multidimensional of the present invention is formed by stacking every damping device by two-layer every damping device, should allow the moving displacement direction that produces vertical mutually every damping device, form by the board-like damper 1 of viscoplasticity, viscoplasticity core pad 2, connection steel plate 3, core pad backing plate 4, fixation steel plate 5 every damping device for every layer.Band type damper 1 be connected steel plate 3 welding, the board-like damper 1 of core pad backing plate 4 and viscoplasticity is welded on the fixation steel plate 5, connects not establish between steel plate 3 and the core pad 2 to be connected.The board-like damper 1 of two-layer up and down viscoplasticity that direction is set is vertical mutually, and two-layer up and down core pad adopts is the highly energy-consuming viscoelastic material.When external drive is the multidimensional excitation, the vibrational energy of the horizontal earthquake action of both direction is respectively by the dissipation that deforms of the board-like damper 1 of two-layer viscoplasticity up and down, simultaneously since level to, the board-like damper 1 of viscoplasticity is the rigidity weakness, the bottom vibrational energy can be isolated to the top structural transmission, the two-way horizontal effect can be obviously reduced structural damage; For vertical vibrational energy, when small deformation, lean on the energy that compresses pine generation crimp dissipation fraction of the power consumption material layer of viscoplasticity core pad 4, when large deformation, promptly when the outside is vertically encouraged acceleration greater than acceleration of gravity, superstructure drives additional steel plate and moves upward, and the board-like damper 1 of viscoplasticity this moment produces distortion, dissipates vibration energy; Be connected owing to connect not establish between steel plate and the core pad, avoided the viscoplasticity core pad under the larger earthquake effect, to be drawn bad possibility.Simultaneously, the board-like damper of viscoplasticity for every layer of two symmetry in damping device can form a pair of damping force couple under geological process, thereby reduces the local vibration moment of flexure at geological process lower node place.

Claims (2)

1. a double-deck multidimensional is every damping device, it is characterized in that this device by two-layer every damping device up and down symmetry be formed by stacking, should allow the moving displacement direction that produces vertical mutually every damping device, form by the board-like damper of viscoplasticity (1), viscoplasticity core pad (2), connection steel plate (3), core pad backing plate (4), fixation steel plate (5) every damping device for every layer; The superiors connect steel plate (3), and viscoplasticity core pad (2) is positioned at the below that connects steel plate (3) middle part, and the bottom of viscoplasticity core pad (2) connects core pad backing plate (4), and the bottom of core pad backing plate (4) is connected and fixed steel plate (5); The center fixed plate of the board-like damper of viscoplasticity (1) and the both sides that are connected steel plate (3) connect, the both sides fixed head of the board-like damper of viscoplasticity (1) be connected and fixed steel plate (5) and be connected.
2. double-deck multidimensional according to claim 1 is every damping device, and what it is characterized in that two-layer core pad (2) employing up and down is the highly energy-consuming viscoelastic material.
CN 201110079209 2011-03-31 2011-03-31 Double-layer multi-dimensional shock isolation/absorption device Pending CN102182258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110079209 CN102182258A (en) 2011-03-31 2011-03-31 Double-layer multi-dimensional shock isolation/absorption device

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Application Number Priority Date Filing Date Title
CN 201110079209 CN102182258A (en) 2011-03-31 2011-03-31 Double-layer multi-dimensional shock isolation/absorption device

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CN102182258A true CN102182258A (en) 2011-09-14

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216022A (en) * 2013-04-15 2013-07-24 同济大学 Viscoelastic-mild steel shear-type combined energy consumer
CN103775801A (en) * 2014-01-22 2014-05-07 南通爱慕希机械有限公司 Support
CN103774551A (en) * 2014-01-25 2014-05-07 广州大学 Novel three-dimensional seismic isolation device
CN105351439A (en) * 2015-11-27 2016-02-24 芜湖多维减震技术有限公司 Double-layer sliding block type shock insulation pedestal and shock insulation method thereof
CN107013073A (en) * 2017-03-24 2017-08-04 南京理工大学 Composite-structure magnetorheological elastomer isolator
CN111910749A (en) * 2019-05-08 2020-11-10 贵州跃龙钢构有限公司 Environment-friendly assembled steel construction

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048577A (en) * 1990-08-02 1991-01-16 魏庆礼 Frictional energy consumption type antiseismic structure
JP2002155991A (en) * 2000-11-17 2002-05-31 Building Research Institute Three-dimensional base isolating device
CN1448597A (en) * 2003-05-01 2003-10-15 东南大学 Engineering structure multidimensional damping device
CN1936209A (en) * 2006-10-24 2007-03-28 东南大学 Large-span structure multi-dimension isolation shock-damping rack
CN201330515Y (en) * 2008-12-25 2009-10-21 河北理工大学 Series composite-base shock isolation device
CN101812879A (en) * 2010-03-26 2010-08-25 北京工业大学 Tuned mass damper for controlling tri-dimensional translation and horizontal torsion of building structure and manufacturing method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1048577A (en) * 1990-08-02 1991-01-16 魏庆礼 Frictional energy consumption type antiseismic structure
JP2002155991A (en) * 2000-11-17 2002-05-31 Building Research Institute Three-dimensional base isolating device
CN1448597A (en) * 2003-05-01 2003-10-15 东南大学 Engineering structure multidimensional damping device
CN1936209A (en) * 2006-10-24 2007-03-28 东南大学 Large-span structure multi-dimension isolation shock-damping rack
CN201330515Y (en) * 2008-12-25 2009-10-21 河北理工大学 Series composite-base shock isolation device
CN101812879A (en) * 2010-03-26 2010-08-25 北京工业大学 Tuned mass damper for controlling tri-dimensional translation and horizontal torsion of building structure and manufacturing method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216022A (en) * 2013-04-15 2013-07-24 同济大学 Viscoelastic-mild steel shear-type combined energy consumer
CN103216022B (en) * 2013-04-15 2016-02-17 同济大学 A kind of viscoelastic-mild steel shear-type combined energy comsuming device
CN103775801A (en) * 2014-01-22 2014-05-07 南通爱慕希机械有限公司 Support
CN103774551A (en) * 2014-01-25 2014-05-07 广州大学 Novel three-dimensional seismic isolation device
CN103774551B (en) * 2014-01-25 2016-08-17 广州大学 A kind of three-dimensional isolation device
CN105351439A (en) * 2015-11-27 2016-02-24 芜湖多维减震技术有限公司 Double-layer sliding block type shock insulation pedestal and shock insulation method thereof
CN105351439B (en) * 2015-11-27 2017-07-04 芜湖多维减震技术有限公司 Two-layer slide-block formula shock isolation pedestal and its shock isolation method
CN107013073A (en) * 2017-03-24 2017-08-04 南京理工大学 Composite-structure magnetorheological elastomer isolator
CN111910749A (en) * 2019-05-08 2020-11-10 贵州跃龙钢构有限公司 Environment-friendly assembled steel construction

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Application publication date: 20110914