CN109972763A - A kind of Zn-Al alloy damper - Google Patents

A kind of Zn-Al alloy damper Download PDF

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Publication number
CN109972763A
CN109972763A CN201910359775.0A CN201910359775A CN109972763A CN 109972763 A CN109972763 A CN 109972763A CN 201910359775 A CN201910359775 A CN 201910359775A CN 109972763 A CN109972763 A CN 109972763A
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China
Prior art keywords
anchor plate
alloy
energy consumption
web
piece
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Pending
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CN201910359775.0A
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Chinese (zh)
Inventor
高华国
操警辉
王凯露
张普林
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University of Science and Technology Liaoning USTL
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University of Science and Technology Liaoning USTL
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Priority to CN201910359775.0A priority Critical patent/CN109972763A/en
Publication of CN109972763A publication Critical patent/CN109972763A/en
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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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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

The present invention relates to civil engineering antidetonations and cushion technique field, and in particular to a kind of Zn-Al alloy damper.Including Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, rectangle web and circular arc web;Circular arc web vertical welding is in rectangle web on both sides of the middle, cross frame energy-dissipation structure is formed, multiple cross frames are parallel to each other, and upper anchor plate is parallel to each other with lower anchor plate, multiple cross frames are vertically welded between anchor plate and lower anchor plate, positioned at upper anchor plate and middle part of solid plate of casting anchor;Zn-Al alloy consumes energy piece equipped with multiple holes, and multiple Zn-Al alloys energy consumption pieces are parallel to each other, and multiple Zn-Al alloys energy consumption piece vertical weldings are located at cross frame two sides between upper anchor plate and lower anchor plate;Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, rectangle web and circular arc web are all made of the production of Zn-Al alloy material.Present invention energy consumption property is good, and easy to process, stability is strong, at low cost, environmentally protective, widely used.

Description

A kind of Zn-Al alloy damper
Technical field
The present invention relates to civil engineering antidetonations and cushion technique field, and in particular to a kind of Zn-Al alloy damper.
Background technique
Metal can consume the energy of Seismic input by elastic-plastic deformation, therefore can make of metal various Damper, it is known that common metal mild steel damper is in the form of a single, making material is single.Common mild steel metal damper exists Four aspect the problem of.First, mild steel damper building is easy to produce stress raisers phenomenon, residual when processing cutting The phenomenon that residue stress and strain;Second, shearing-type metal damper planar stress when, it is existing to be easy to appear the outer unstability of plane As.Third is limited by ordinary metallic material mechanical property itself, and the energy consumption effect of damper is poor.4th, common metal hinders The steel that Buddhist nun's device uses are perishable, and waste and scrap cost recovery is relatively high, and can generate pollution to environment.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of Zn-Al alloy dampers.Energy consumption property is good, reduces and answers Power concentration phenomenon, stability is strong, at low cost, environmentally protective.
To achieve the above object, the present invention is implemented with the following technical solutions:
A kind of Zn-Al alloy damper, including Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, rectangle web With circular arc web;Circular arc web vertical welding forms cross frame energy-dissipation structure, multiple crosses in rectangle web on both sides of the middle Frame is parallel to each other, and upper anchor plate is parallel to each other with lower anchor plate, and multiple cross frames are vertically welded in anchor plate and cast anchor Between solid plate, positioned at upper anchor plate and middle part of solid plate of casting anchor;Zn-Al alloy consumes energy piece equipped with multiple holes, multiple Zn-Al alloys consumptions Energy piece is parallel to each other, and multiple Zn-Al alloys energy consumption piece vertical weldings are located at cross frame between upper anchor plate and lower anchor plate Two sides;Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, rectangle web and circular arc web are all made of Zn-Al alloy material Material production.
The Zn-Al alloy energy consumption piece is slab construction, and middle part is equipped with 4 slotted eyes, and 4 slotted eyes are mutually flat Row, the spacing of 4 slotted eyes are less than the distance between bore edges and edges of boards edge.
The cross frame two sides are symmetrically respectively provided with two Zn-Al alloy energy consumption pieces, and the Zn-Al alloy of two sides consumes energy between piece Away from identical.
The upper anchor plate and lower anchor plate are slab construction, and two sides are equipped with bolt hole.
The rectangle web is rectangular flat plate structure, and circular arc web is slab construction, and one side is equipped with arc-shaped slit Mouthful.
The Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, rectangle web and circular arc web are all made of water and cut Processing is cut, the welding is welded using MIG.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention combines cross frame energy-dissipation structure and Zn-Al alloy energy consumption two kinds of energy consumption modes of piece;It is curved Bent surrender type damper is surrendered by the method for the yield strength of change energy consumption piece, thickness and height to realize stage by stage;Shearing Various sizes of aperture is arranged in surrender type damper surrenders stage by stage to realize;Therefore the present invention has preferable energy consumption property.
(2) present invention has twice damping defence line, is plastic deformation energy consumption and the Zn-Al of Zn-Al alloy energy consumption piece respectively The plastic deformation energy dissipation of alloy cross frame energy-dissipation structure, it is safer and more reliable, while there is good energy dissipation capacity, in reality There is wider application prospect in the engineering of border.
(3) present invention is connected by the way of welding, easy to process, while being also prevented from main energy-consuming parts and upper anchoring Plate, lower anchor plate occur to loosen and energy consumption effect is caused to be reduced significantly in earthquake, and economic benefit can not only be placed in beam It is interior, it can be also used under beam, therefore there is wider purposes.
(4) it is mainly that in cutting, there are corner angle, and stress to be caused to concentrate due to material that stress, which is concentrated, Zn-Al alloy consumption The pointed part of energy piece and Zn-Al alloy cross frame energy-dissipation structure is cut into smooth circular arc;Main energy consumption portion of the invention The position of part corner angle cutting is few, therefore decreases stress concentration phenomenon.
(5) residual stress and strain mainly due to material cut when side on discontinuity, with the time It elapses four angles slowly to upwarp, therefore the present invention is to avoid the above phenomenon so processing using Water Cutting.
(6) the energy consumption form of damper, which can be divided into plane surrendering, surrenders two kinds outside peaceful face, to solve damper Surrender initial stiffness is big in plane, and Zn-Al alloy energy consumption piece solves this problem by oval aperture;Carrying is surrendered outside plane Power is small, and initial stiffness is low, unstable phenomenon easily occurs, so using cross frame energy-dissipation structure to protect to provide rigidity outside plane Its lateral stability is demonstrate,proved, and then the performance of damper is performed to ultimate attainment.
(7) energy-dissipation structure of Zn-Al alloy damper, energy consumption piece are welded on anchor plate and lower anchor plate, anchor plate It is bolted on beam, the present invention is conveniently replaceable.
(8) present invention uses Zn-Al alloy as raw material, because it is with good mechanical property, wearability is good, casts With machining property is excellent, the series of advantages such as at low cost;And the Zn-Al alloy rate of recovery is higher, when damper occurs to break Waste and scrap is recyclable when bad, Save Resource Protect Environment.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure;
Fig. 2 is another angle schematic perspective view of structure of the invention (not including upper anchor plate);
Fig. 3 is cross frame schematic perspective view of the present invention;
Fig. 4 is Zn-Al alloy of the present invention energy consumption chip architecture schematic diagram;
Fig. 5 is rectangle web structure schematic diagram of the present invention;
Fig. 6 is circular arc web structure schematic diagram of the present invention.
In figure: anchor plate 4- rectangle web 5- circular arc web under anchor plate 3- on 1-Zn-Al alloy energy consumption piece 2- The arc-shaped gap of 6- slotted eye 7- bolt hole 8-
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing:
Embodiment:
A kind of Zn-Al alloy damper, including Zn-Al alloy energy consumption piece 1, upper anchor plate 2, lower anchor plate 3, rectangle abdomen Plate 4 and circular arc web 5.Zn-Al alloy consumes energy piece 1, upper anchor plate 2, lower anchor plate 3, rectangle web 4 and circular arc web 5 It is made of Zn-Al alloy material.Zn-Al alloy energy consumption piece 1, upper anchor plate 2, lower anchor plate 3, rectangle web 4 and circular arc Web 5 is all made of Water Cutting processing.
Zn-Al alloy consumes energy piece 1 for slab construction, and having a size of 340mm × 280mm × 12mm, center line is ellipse equipped with 4 Round hole 6, oval size are as follows: major radius a=60mm, short radius b=25mm, oval distance of center circle 70mm, 46 phases of slotted eye It is mutually parallel, there is the interval of 20mm between oval and ellipse, the distance at outermost elliptical edge to energy consumption piece edge is 40mm.
Upper anchor plate 2 is identical as lower 3 structure of anchor plate, is slab construction, size are as follows: and 400mm × 400mm × 20mm, two sides are respectively provided with the bolt hole 7 of 3 diameter R=18mm, and the distance of center circle between bolt hole 7 is identical, distance of center circle 135mm.
Rectangle web 4 is slab construction, having a size of 280mm × 80mm × 12mm.Circular arc web 6 is slab construction, Size are as follows: 280mm × 55mm × 12mm, side are equipped with the arc-shaped gap 8 of radius r=370mm.
6 vertical welding of circular arc web is welded in 4 on both sides of the middle of rectangle web, welding using MIG, and cross frame energy consumption is formed Structure, upper anchor plate 2 are parallel to each other with lower anchor plate 3,2 cross frames be vertically welded in anchor plate 2 and lower anchor plate 3 it Between, 2 cross frames are parallel to each other, and are located at upper anchor plate 2 and lower 3 middle part of anchor plate.
4 Zn-Al alloy energy consumption pieces 1 are respectively welded at cross frame two sides, and two sides are symmetrically respectively provided with 2 Zn-Al alloys Consume energy piece 1, and welding is welded using MIG, and Zn-Al alloy energy consumption 1 spacing of piece of two sides is identical, spacing 30mm.
Zn-Al alloy is based on two kinds of elements of Zn, Al, and Cu, Mg are the polynary alloy of auxiliary.Soft Zn-Al alloy zinc Aluminium alloy because of it with good mechanical property, wearability is good, casting and machining property are excellent, at low cost etc. a series of excellent Point.Zn-Al alloy intensity with higher and hardness, while still maintaining good plasticity and toughness;Zn-Al alloy has good Good processability, the decorative processings such as surface is easy to be electroplated, anode processing.Furthermore Zn-Al alloy is nonmagnetic, is hit not Spark is generated, suitable for there is explosion-proof occasion work.Zn-Al alloy can absorb a large amount of energy in elastic and plastic deformation process, There is higher flexible and ductility, there is preferable deformation tracking ability, environment and temperature not to influence its performance significantly, and And Zn-Al alloy have the characteristics that it is cheap;However almost all of steel bomb plasticity energy consumer is all by mild steel and low surrender Point steel is made, and does not make metal damper with Zn-Al alloy, so before Zn-Al alloy damper has wide application Scape.The main Types developed at present have beam type energy consumer, rod iron energy consumer, steel element energy consumer, annulus (box) energy consumer, add Strength energy-consuming device, honeycomb energy consumer, groove profile energy consumer, non-binding support, Luara type energy consumer, shearing are coupled energy consumer etc..
Present invention energy consumption mode mainly utilizes the plastic deformation of Zn-Al alloy, strong by providing fortification against earthquakes higher than this area When the geological process of degree, damper starts work, and damper provides anti-side rigidity for structure at this time.On the other hand, due to Zn-Al Plastic deformation occurs for alloy, and dissipated most seismic energy, reduces the geological process that structure is subject to indirectly, has reached guarantor Protect main structure non-destructive purpose when by the geological process for being higher than this area's fortification intensity.
Cross frame energy-dissipation structure and Zn-Al alloy energy consumption 1 two kinds of energy consumption forms of piece are combined by the present invention;Bending is bent Type damper is taken to surrender stage by stage by the method for the yield strength of change energy consumption piece, thickness and height to realize;Shear yielding Various sizes of aperture is arranged in type damper surrenders stage by stage to realize;Therefore the present invention has preferable energy consumption property.
The present invention has twice damping defence line, is that the plastic deformation energy consumption of Zn-Al alloy energy consumption piece 1 is closed with Zn-Al respectively The plastic deformation energy dissipation of golden cross frame energy-dissipation structure, it is safer and more reliable, while there is good energy dissipation capacity, in reality There is wider application prospect in engineering.
The present invention is connected by the way of welding, easy to process, at the same be also prevented from main energy-consuming parts and upper anchor plate 2, Lower anchor plate 3 occurs to loosen and energy consumption effect is caused to be reduced significantly in earthquake, and economic benefit can not only be placed in beam It is interior, it can be also used under beam, therefore there is wider purposes.
It is mainly that in cutting, there are corner angle, and stress to be caused to concentrate due to material that stress, which is concentrated, Zn-Al alloy energy consumption The pointed part of piece 1 and Zn-Al alloy cross frame energy-dissipation structure is cut into smooth circular arc;Main energy-consuming parts of the invention The position of corner angle cutting is few, therefore decreases stress concentration phenomenon.
Residual stress and strain mainly due to material cut when side on discontinuity, over time Four angles slowly upwarp, therefore the present invention is to avoid the above phenomenon so processing using Water Cutting.
The energy consumption form of damper, which can be divided into plane surrendering, surrenders two kinds outside peaceful face, for the plane for solving damper Interior surrender initial stiffness is big, and Zn-Al alloy energy consumption piece 1 will solve this problem by oval aperture;Carrying is surrendered outside plane Power is small, and initial stiffness is low, unstable phenomenon easily occurs, so using cross frame energy-dissipation structure to protect to provide rigidity outside plane Its lateral stability is demonstrate,proved, and then the performance of damper is performed to ultimate attainment.
Energy-dissipation structure, the energy consumption piece of Zn-Al alloy damper are welded on anchor plate, and upper anchor plate 2 and lower anchor plate 3 are logical It crosses and is bolted on beam, the present invention is conveniently replaceable.
The present invention is used as raw material using Zn-Al alloy, because of it with good mechanical property, wearability is good, cast and Machining property is excellent, the series of advantages such as at low cost;And the Zn-Al alloy rate of recovery is higher, when damper destroys When waste and scrap it is recyclable, Save Resource Protect Environment.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of Zn-Al alloy damper, it is characterised in that: including Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, length Rectangular web and circular arc web;Circular arc web vertical welding forms cross frame energy-dissipation structure in rectangle web on both sides of the middle, Multiple cross frames are parallel to each other, and upper anchor plate is parallel to each other with lower anchor plate, and multiple cross frames are vertically welded in anchoring Between plate and lower anchor plate, positioned at upper anchor plate and middle part of solid plate of casting anchor;Zn-Al alloy consumes energy piece equipped with multiple holes, multiple Zn- Al alloy energy consumption piece is parallel to each other, and multiple Zn-Al alloy energy consumption piece vertical weldings are located between upper anchor plate and lower anchor plate Cross frame two sides;Zn-Al alloy energy consumption piece, upper anchor plate, lower anchor plate, rectangle web and circular arc web are all made of Zn- The production of Al alloy material.
2. a kind of Zn-Al alloy damper according to claim 1, it is characterised in that: Zn-Al alloy energy consumption piece is Slab construction, middle part are equipped with 4 slotted eyes, and 4 slotted eyes are parallel to each other, and the spacing of 4 slotted eyes is less than bore edges The distance between edges of boards edge.
3. a kind of Zn-Al alloy damper according to claim 1, it is characterised in that: the cross frame two sides are symmetrical Two Zn-Al alloy energy consumption pieces are respectively provided with, the Zn-Al alloy energy consumption piece spacing of two sides is identical.
4. a kind of Zn-Al alloy damper according to claim 1, it is characterised in that: the upper anchor plate and lower anchoring Plate is slab construction, and two sides are equipped with bolt hole.
5. a kind of Zn-Al alloy damper according to claim 1, it is characterised in that: the rectangle web is rectangular Shape slab construction, circular arc web are slab construction, and one side is equipped with arc-shaped gap.
6. a kind of Zn-Al alloy damper according to claim 1, it is characterised in that: the Zn-Al alloy energy consumption piece, Upper anchor plate, lower anchor plate, rectangle web and circular arc web are all made of Water Cutting processing, and the welding is welded using MIG.
CN201910359775.0A 2019-04-30 2019-04-30 A kind of Zn-Al alloy damper Pending CN109972763A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112144688A (en) * 2020-10-30 2020-12-29 中国地震局工程力学研究所 Double-sided shearing type square steel tube damper and manufacturing method
CN113338688A (en) * 2021-07-07 2021-09-03 北京市建筑设计研究院有限公司 Two-way two-step yielding metal energy dissipater suitable for seismic isolation layer
CN113622535A (en) * 2021-07-30 2021-11-09 兰州理工大学 Self-resetting damper based on zinc-aluminum alloy and manufacturing method thereof
CN114482272A (en) * 2021-12-20 2022-05-13 青岛腾远设计事务所有限公司 Energy-consuming and shock-absorbing assembly type beam column node

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112144688A (en) * 2020-10-30 2020-12-29 中国地震局工程力学研究所 Double-sided shearing type square steel tube damper and manufacturing method
CN113338688A (en) * 2021-07-07 2021-09-03 北京市建筑设计研究院有限公司 Two-way two-step yielding metal energy dissipater suitable for seismic isolation layer
CN113338688B (en) * 2021-07-07 2023-01-10 北京市建筑设计研究院有限公司 Two-way two-step yielding metal energy dissipater suitable for seismic isolation layer
CN113622535A (en) * 2021-07-30 2021-11-09 兰州理工大学 Self-resetting damper based on zinc-aluminum alloy and manufacturing method thereof
CN114482272A (en) * 2021-12-20 2022-05-13 青岛腾远设计事务所有限公司 Energy-consuming and shock-absorbing assembly type beam column node
CN114482272B (en) * 2021-12-20 2024-04-30 青岛腾远设计事务所有限公司 Energy-consuming and shock-absorbing type assembled beam column joint

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