CN1431373A - Super elasticity pull, Press wrest damper made from memory alloy of shape of engineering structure - Google Patents

Super elasticity pull, Press wrest damper made from memory alloy of shape of engineering structure Download PDF

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Publication number
CN1431373A
CN1431373A CN 03112846 CN03112846A CN1431373A CN 1431373 A CN1431373 A CN 1431373A CN 03112846 CN03112846 CN 03112846 CN 03112846 A CN03112846 A CN 03112846A CN 1431373 A CN1431373 A CN 1431373A
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steel pipe
memory alloy
shape
outer steel
damper
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CN1186507C (en
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韩玉林
李爱群
邢德进
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Southeast University
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Southeast University
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Abstract

A superelastic pull, compression and torsion damper with marmem for engineering structure is composed of external steel pipe, the internal steel pipe whose one end is coaxially in the external one, the marmen wire which passes symmetrically through the holes on the walls of both steel pipes, and two fixtures for fixing both ends of marmen wire to the external surface of external steel pipe. It can suppress the relative straight line and rotation vibration displacement between two structural members.

Description

工程结构形状记忆合金超弹性拉、压、扭阻尼器Engineering structure shape memory alloy superelastic tension, compression and torsional damper

一、技术领域1. Technical field

本发明是一种应用于工程结构中起阻尼抗振作用的装置,尤其是一种同时具备抗拉、压、扭作用的阻尼器。The invention is a device for damping and anti-vibration used in engineering structures, in particular a damper with functions of anti-tension, compression and torsion.

二、背景技术2. Background technology

使用阻尼器抑制工程结构的振动是一种有效的手段。目前使用的工程结构阻尼器已能有效承受拉压载荷,即能抑制结构构件间的相对直线振动位移。而结构构件间除了相对直接振动位移外,一般总会伴随着相对转动振动位移。已有工程结构用阻尼器由于自身结构的特点,不能直接抑制结构构件间的相对转动振动位移。It is an effective means to use dampers to suppress the vibration of engineering structures. The currently used engineering structure dampers have been able to effectively withstand tension and compression loads, that is, they can suppress the relative linear vibration displacement between structural components. In addition to the relative direct vibration displacement, the structural components are generally accompanied by relative rotational vibration displacement. Due to the characteristics of its own structure, the existing dampers for engineering structures cannot directly suppress the relative rotational vibration displacement between structural components.

三、技术内容3. Technical content

1、技术问题1. Technical issues

本发明的目的是提供一种工程结构形状记忆合金超弹性拉、压、扭阻尼器,该阻尼器既可以抑制结构构件间相对直线振动位移,又可以抑制结构构件间相对转动振动位移,从而可以更有效地抑制结构振动响应、加速结构振的地衰减。The purpose of the present invention is to provide a kind of engineering structure shape memory alloy superelastic tension, compression, torsional damper, this damper can restrain the relative linear vibration displacement between structural components, can restrain the relative rotational vibration displacement between structural components again, thereby can It can more effectively suppress the structural vibration response and accelerate the attenuation of structural vibration.

2、技术方案2. Technical solution

本发明的工程结构形状记忆合金超弹性拉、压、扭阻尼器,该阻尼器由形状记忆合金丝、夹具、外钢管、内钢管所组成,内钢管的一端位于外钢管中并与外钢管位于同一条轴线上,形状记忆合金丝在外钢管上沿径向固定于外钢管的对称侧上,即形状记忆合金丝由外钢管一侧的孔穿入,通过内钢管的一侧,再通过轴心线,然后由内钢管的另一对称侧穿出,最后由外钢管的另一对称侧的孔穿出,记忆合金丝的两端分别由夹具固定在外钢管上,形状记忆合金丝由多根均布于内钢管和外钢管的径向上,相邻两根形状记忆合金丝在轴向为上、下设置。另一种结构为在外钢管的两端分别设置内钢管和相应的形状记忆合金丝结构,组成中间为外钢管两头为内钢管的阻尼器结构。还有一种结构为内钢管的两头分别设置两根外钢管和相应的形状记忆合金丝的结构,组成中间为内钢管两头为外钢管的阻尼器结构。形状记忆合金丝可以为数根形状记忆合金丝组成的丝缆。The engineering structure shape memory alloy superelastic tensile, compressive and torsional damper of the present invention is composed of a shape memory alloy wire, a clamp, an outer steel pipe and an inner steel pipe. On the same axis, the shape memory alloy wire is radially fixed on the symmetrical side of the outer steel pipe on the outer steel pipe, that is, the shape memory alloy wire penetrates through the hole on one side of the outer steel pipe, passes through one side of the inner steel pipe, and then passes through the axis Then, it passes through the other symmetrical side of the inner steel pipe, and finally passes through the hole on the other symmetrical side of the outer steel pipe. The two ends of the memory alloy wire are respectively fixed on the outer steel pipe by clamps. Distributed in the radial direction of the inner steel pipe and the outer steel pipe, two adjacent shape memory alloy wires are set up and down in the axial direction. Another structure is to arrange inner steel pipes and corresponding shape memory alloy wire structures at both ends of the outer steel pipe respectively to form a damper structure with the outer steel pipe in the middle and the inner steel pipes at both ends. There is also a structure in which two outer steel pipes and corresponding shape memory alloy wires are arranged at the two ends of the inner steel pipe respectively, forming a damper structure with the inner steel pipe in the middle and the outer steel pipe at both ends. The shape memory alloy wire can be a wire cable composed of several shape memory alloy wires.

使用时,阻尼器的内外钢管被固定在结构不同构件或同一构件的不同点间,当两固定端间有相对位移时,内外钢管也就有相对位移,无论该相对位移是直线When in use, the inner and outer steel pipes of the damper are fixed between different structural members or different points of the same member. When there is a relative displacement between the two fixed ends, the inner and outer steel pipes also have relative displacement, no matter the relative displacement is a straight line

相对位移,还是相对转动位移,形状记忆合金丝都将拉伸变形耗能,达到同时抑制结构的水平振动、竖向振动和扭转振动的目的。Relative displacement or relative rotational displacement, the shape memory alloy wire will stretch and deform and consume energy, so as to simultaneously suppress the horizontal vibration, vertical vibration and torsional vibration of the structure.

3、技术效果3. Technical effect

(1)所发明的“工程结构形状记忆合金超弹性拉、压、扭阻尼器”,由于形状记忆合金丝具有较高的刚度,使用阻尼器也就具有足够的刚度,可有效控制结构在风载荷和地震作用下的变形和稳定性,可有效地减少结构在长期载荷作用下的徐变变形。(1) The "Engineering Structural Shape Memory Alloy Superelastic Tension, Compression, and Torsion Damper" invented, because the shape memory alloy wire has high stiffness, the damper also has sufficient stiffness, which can effectively control the structure in the wind. Deformation and stability under load and earthquake, which can effectively reduce the creep deformation of the structure under long-term load.

(2)所发明的“工程结构形状记忆合金超弹性拉、压、扭阻尼器”,可通过阻尼器器件中的形状记忆合金材料的超弹性特性有效地吸收振动能量,从而有效地减少结构在风载荷和地震作用下的振动响应,有效地提高结构在风载荷和地震作用下的振动衰减速度。(2) The invented "Engineering Structural Shape Memory Alloy Superelastic Tension, Compression, and Torsion Damper" can effectively absorb vibration energy through the superelastic properties of the shape memory alloy material in the damper device, thereby effectively reducing the structure in the The vibration response under wind load and earthquake can effectively improve the vibration attenuation speed of the structure under wind load and earthquake.

(3)所发明的“工程结构形状记忆合金超弹性拉、压、扭阻尼器”,可同时抑制结构的水平振动、竖向振动和扭转振动,可用于建筑结构、桥梁结构和大跨结构等多种工程结构的减振。(3) The invented "Engineering Structural Shape Memory Alloy Superelastic Tension, Compression and Torsion Damper" can suppress the horizontal vibration, vertical vibration and torsional vibration of the structure at the same time, and can be used in building structures, bridge structures and long-span structures, etc. Vibration reduction of various engineering structures.

(4)所发明的“工程结构形状记忆合金超弹性拉、压、扭阻尼器”,通过使用强度高、耐腐蚀、抗疲劳的形状记忆合金材料作为耗能材料,从而具有寿命长和维护要求低的特点。(4) The "Engineering Structure Shape Memory Alloy Superelastic Tension, Compression, and Torsion Damper" invented uses a shape memory alloy material with high strength, corrosion resistance, and fatigue resistance as an energy-consuming material, so it has a long life and maintenance requirements low feature.

(5)所发明的“工程结构形状记忆合金超弹性拉、压、扭阻尼器”构造简单、安装方便。(5) The invented "Engineering Structure Shape Memory Alloy Superelastic Tension, Compression and Torsion Damper" is simple in structure and easy to install.

四、附图说明4. Description of drawings

图1是本发明的总体结构示意图。其中有形状记忆合金丝1、夹具2、外钢管3、内钢管4。Fig. 1 is a schematic diagram of the overall structure of the present invention. There are shape memory alloy wire 1, fixture 2, outer steel pipe 3, and inner steel pipe 4.

图2是本发明图1的A-A向剖视结构示意图。其中有孔5。Fig. 2 is a schematic diagram of the sectional structure along the line A-A of Fig. 1 of the present invention. There are holes 5 therein.

图3是两个内钢管、一个外钢管的结构示意图。Fig. 3 is a structural schematic diagram of two inner steel pipes and one outer steel pipe.

图4是两个外钢管、一个内钢管的结构示意图。Fig. 4 is a structural schematic diagram of two outer steel pipes and one inner steel pipe.

五、具体实施方案5. Specific implementation plan

本发明的工程结构形状记忆合金超弹性拉、压、扭阻尼器由形状记忆合金丝1、夹具2、外钢管3、内钢管4所组成,内钢管4的一端位于外钢管3中并与外钢管3位于同一条轴线上,形状记忆合金丝1在外钢管3上沿径向固定于外钢管的对称侧上,即形状记忆合金丝1由外钢管3一侧的孔5穿入,通过内钢管4的一侧,再通过轴心线,然后由内钢管4的另一对称侧穿出,最后由外钢管3的另一对称侧的孔5穿出,记忆合金丝1的两端分别由夹具2固定在外钢管3上,形状记忆合金丝1由多根均布于内钢管4和外钢管3的径向上,相邻两根形状记忆合金丝1在轴向为上、下设置。形状记忆合金丝1可以为数根形状记忆合金丝组成的丝缆。The engineering structure shape memory alloy superelastic tensile, compressive and torsional damper of the present invention is made up of shape memory alloy wire 1, fixture 2, outer steel pipe 3, inner steel pipe 4, and one end of inner steel pipe 4 is located in outer steel pipe 3 and is connected with the outer steel pipe 4. The steel pipes 3 are located on the same axis, and the shape memory alloy wire 1 is radially fixed on the symmetrical side of the outer steel pipe 3, that is, the shape memory alloy wire 1 penetrates through the hole 5 on one side of the outer steel pipe 3 and passes through the inner steel pipe 4, then pass through the axis line, then pass through the other symmetrical side of the inner steel pipe 4, and finally pass through the hole 5 on the other symmetrical side of the outer steel pipe 3, and the two ends of the memory alloy wire 1 are respectively held by the clamp 2 is fixed on the outer steel pipe 3, a plurality of shape memory alloy wires 1 are evenly distributed in the radial direction of the inner steel pipe 4 and the outer steel pipe 3, and two adjacent shape memory alloy wires 1 are arranged up and down in the axial direction. The shape memory alloy wire 1 can be a wire cable composed of several shape memory alloy wires.

本发明的实施方案如下:Embodiments of the present invention are as follows:

首先,根据振动抑制要求,选定内外钢管、形状记忆合金丝和夹具的尺寸。First, the dimensions of inner and outer steel pipes, shape memory alloy wires and fixtures are selected according to vibration suppression requirements.

第二,在内外钢管对应位置钻孔。Second, drill holes in the corresponding positions of the inner and outer steel pipes.

第三,将形状记忆合金丝穿过内外钢管上对应位置的孔。Thirdly, pass the shape memory alloy wire through the corresponding holes on the inner and outer steel pipes.

第四,将形状记忆合金丝一端用夹具夹紧。Fourth, clamp one end of the shape memory alloy wire with a clamp.

第五,将形状记忆合金丝张紧。Fifth, the shape memory alloy wire is tensioned.

第六,将形状记忆合金丝另一端也用夹具夹紧。夹紧工程中,注意保持形状记忆合金丝的夹紧状态。Sixth, the other end of the shape memory alloy wire is also clamped with a clamp. During the clamping process, pay attention to maintaining the clamped state of the shape memory alloy wire.

至此便可实现本发明。So far the present invention can be realized.

实际阻尼器可以有两个内钢管、一个外钢管,另一个内钢管(包括形状记忆合金丝等)设置在外钢管的下部,和设置在外钢管上部的内钢管关于外钢管对称。同样实际阻尼器也可以有两个外钢管、一个内钢管,另一个外钢管(包括形状记忆合金丝等)设置在外钢管的上部,和设置在内钢管下部的外钢管关于内钢管对称。The actual damper can have two inner steel pipes, one outer steel pipe, the other inner steel pipe (including shape memory alloy wire, etc.) is arranged at the lower part of the outer steel pipe, and the inner steel pipe arranged at the upper part of the outer steel pipe is symmetrical with respect to the outer steel pipe. Similarly, the actual damper can also have two outer steel pipes, one inner steel pipe, and the other outer steel pipe (including shape memory alloy wire, etc.) is arranged on the upper part of the outer steel pipe, and the outer steel pipe arranged on the lower part of the inner steel pipe is symmetrical with respect to the inner steel pipe.

Claims (5)

1, a kind of engineering structures super elastic shape memory alloy draws, press, turn round damper, it is characterized in that this damper is by shape-memory alloy wire (1), anchor clamps (2), outer steel pipe (3), interior steel pipe (4) is formed, one end of interior steel pipe (4) is arranged in outer steel pipe (3) and is positioned on same the axis with outer steel pipe (3), shape-memory alloy wire (1) radially is fixed on the symmetrical side of outer steel pipe on the steel pipe (3) outside, being shape-memory alloy wire (1) is penetrated by the hole (5) of outer steel pipe (3) one sides, side by interior steel pipe (4), pass through axial line again, another symmetrical side by interior steel pipe (4) passes then, hole (5) by another symmetrical side of outer steel pipe (3) passes at last, and the two ends of memory alloy wire (1) are fixed on the outer steel pipe (3) by anchor clamps (2) respectively.
2, engineering structures super elastic shape memory alloy according to claim 1 draws, presses, turns round damper, it is characterized in that shape-memory alloy wire (1) is made progress by the many footpaths that are distributed in interior steel pipe (4) and outer steel pipe (3), adjacent two shape-memory alloy wires (1) are being upper and lower setting axially.
3, engineering structures super elastic shape memory alloy according to claim 1 and 2 draws, presses, turns round damper, it is characterized in that shape-memory alloy wire (1) can be the silk cable of several shape-memory alloy wires (1) composition.
4, engineering structures super elastic shape memory alloy according to claim 1 and 2 draws, presses, turns round damper, it is characterized in that the two ends of steel pipe (3) are provided with interior steel pipe (4) and corresponding shape-memory alloy wire (1) structure respectively outside, is that outer steel pipe (3) two is the damper structure of interior steel pipe (4) in the middle of forming.
5, engineering structures super elastic shape memory alloy according to claim 1 and 2 draws, presses, turns round damper, it is characterized in that two of interior steel pipe (4) is provided with the structure of two outer steel pipes (3) and corresponding shape-memory alloy wire (1) respectively, is that interior steel pipe (4) two is the damper structure of outer steel pipe (3) in the middle of forming.
CNB031128467A 2003-02-18 2003-02-18 Super elasticity pull, Press wrest damper made from memory alloy of shape of engineering structure Expired - Fee Related CN1186507C (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1303295C (en) * 2005-01-20 2007-03-07 东南大学 Super elastic shape memory alloy damper for rope, cable and slender rod
CN102296702A (en) * 2011-05-18 2011-12-28 东南大学 Shape memory alloy self-resetting multi-dimensional shock insulation support
CN102392497A (en) * 2011-10-19 2012-03-28 沈阳建筑大学 Multi-direction shape memory alloy, soft steel and lead combined drum-like damper
CN102425246A (en) * 2011-10-19 2012-04-25 沈阳建筑大学 Cable-stayed shape memory alloy multi-purpose damper in multi-dimensional space
CN103899705A (en) * 2014-04-02 2014-07-02 哈尔滨工程大学 Composite shape memory alloy damper
CN109057487A (en) * 2018-08-18 2018-12-21 张文英 Steel frame construction stand shock-resistant structure
CN109281416A (en) * 2018-11-07 2019-01-29 西安建筑科技大学 Rolling ball and shape memory alloy combined multi-dimensional vibration damping and isolation device and installation method thereof
CN110130515A (en) * 2019-05-26 2019-08-16 天津大学 A SMA wire-friction damper suitable for long-span space structures
CN111350290A (en) * 2018-12-24 2020-06-30 哈尔滨工业大学 A high-energy-consuming tension-compression and rotation-recoverable damper
CN111502376A (en) * 2019-01-30 2020-08-07 哈尔滨工业大学 High-energy-consumption tension-torsion-resistant recoverable damper

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1303295C (en) * 2005-01-20 2007-03-07 东南大学 Super elastic shape memory alloy damper for rope, cable and slender rod
CN102296702A (en) * 2011-05-18 2011-12-28 东南大学 Shape memory alloy self-resetting multi-dimensional shock insulation support
CN102296702B (en) * 2011-05-18 2013-10-30 东南大学 Shape memory alloy self-resetting multi-dimensional shock insulation support
CN102392497A (en) * 2011-10-19 2012-03-28 沈阳建筑大学 Multi-direction shape memory alloy, soft steel and lead combined drum-like damper
CN102425246A (en) * 2011-10-19 2012-04-25 沈阳建筑大学 Cable-stayed shape memory alloy multi-purpose damper in multi-dimensional space
CN102425246B (en) * 2011-10-19 2014-04-23 沈阳建筑大学 Cable-stayed shape memory alloy multi-purpose damper in multi-dimensional space
CN103899705A (en) * 2014-04-02 2014-07-02 哈尔滨工程大学 Composite shape memory alloy damper
CN103899705B (en) * 2014-04-02 2015-09-30 哈尔滨工程大学 A kind of compound shape memory alloy damper
CN109057487A (en) * 2018-08-18 2018-12-21 张文英 Steel frame construction stand shock-resistant structure
CN109057487B (en) * 2018-08-18 2020-07-31 青岛义和钢构有限公司 Steel frame construction stand shock-resistant structure
CN109281416A (en) * 2018-11-07 2019-01-29 西安建筑科技大学 Rolling ball and shape memory alloy combined multi-dimensional vibration damping and isolation device and installation method thereof
CN111350290A (en) * 2018-12-24 2020-06-30 哈尔滨工业大学 A high-energy-consuming tension-compression and rotation-recoverable damper
CN111502376A (en) * 2019-01-30 2020-08-07 哈尔滨工业大学 High-energy-consumption tension-torsion-resistant recoverable damper
CN110130515A (en) * 2019-05-26 2019-08-16 天津大学 A SMA wire-friction damper suitable for long-span space structures

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