CN202099875U - Shape memory alloy self-resetting multidimensional shock insulation support - Google Patents

Shape memory alloy self-resetting multidimensional shock insulation support Download PDF

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CN202099875U
CN202099875U CN2011201617890U CN201120161789U CN202099875U CN 202099875 U CN202099875 U CN 202099875U CN 2011201617890 U CN2011201617890 U CN 2011201617890U CN 201120161789 U CN201120161789 U CN 201120161789U CN 202099875 U CN202099875 U CN 202099875U
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support
bearing
memory alloy
shape memory
steel plate
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陈鑫
丁幼亮
李爱群
宋永生
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Southeast University
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Abstract

本实用新型公开了一种形状记忆合金自复位多维隔震支座,其特征在于:该隔震支座包括支座上钢板(1)、与支座上钢板(1)相对设置的支座下钢板(2)、与支座上钢板(1)下表面连接的支座核心筒(3)、与支座下钢板(2)上表面连接的支座外筒(4),其中支座核心筒(3)位于支座外筒(4)内,该隔震支座还包括位于支座外筒(4)内的支撑形状记忆合金棒(5)和平衡形状记忆合金棒(6);其中,支撑形状记忆合金棒(5)的两端分别与支座外筒(4)和支座核心筒(3)铰接,平衡形状记忆合金棒(6)的两端分别与支座外筒(4)和支座核心筒(3)铰接。本实用新型具有构造简单、隔震耗能效果好、耐久性好的优点。

Figure 201120161789

The utility model discloses a shape-memory alloy self-resetting multi-dimensional shock-isolation support, which is characterized in that the shock-isolation support comprises an upper support steel plate (1) and a lower support set opposite to the upper support steel plate (1). The steel plate (2), the support core tube (3) connected to the lower surface of the support upper steel plate (1), the support outer tube (4) connected to the upper surface of the support lower steel plate (2), wherein the support core tube (3) Located in the bearing outer cylinder (4), the shock-isolation bearing also includes a supporting shape memory alloy rod (5) and a balanced shape memory alloy rod (6) located in the bearing outer cylinder (4); wherein, The two ends of the supporting shape memory alloy rod (5) are respectively hinged with the support outer cylinder (4) and the support core cylinder (3), and the two ends of the balanced shape memory alloy rod (6) are respectively connected with the support outer cylinder (4) Hinged with the support core tube (3). The utility model has the advantages of simple structure, good vibration isolation and energy consumption effect, and good durability.

Figure 201120161789

Description

形状记忆合金自复位多维隔震支座Shape memory alloy self-resetting multi-dimensional shock-isolation bearing

技术领域 technical field

本实用新型是一种用于工程结构多维隔减震的支座,属于土木工程结构抗震荷载控制装置的技术领域。The utility model relates to a support for multi-dimensional isolation and shock absorption of engineering structures, which belongs to the technical field of anti-seismic load control devices for civil engineering structures.

背景技术 Background technique

地震作用是土木工程结构所承受的主要控制荷载,也是导致结构发生破坏和倒塌的主要因素。准确地认识结构在地震作用下的响应并采取可靠的保护措施,不仅关系到结构自身的抗震性能,而且直接关系到人民生命和国家经济财产的安全,具有巨大的社会经济效益。Earthquake action is the main control load borne by civil engineering structures, and it is also the main factor leading to the damage and collapse of structures. Accurately understanding the response of structures under earthquake action and taking reliable protection measures is not only related to the seismic performance of the structure itself, but also directly related to the safety of people's lives and national economic property, which has huge social and economic benefits.

隔震是国内外研究和应用最早的被动控制方式,并且大量的试验研究、实际工程建设以及多次的强震考验证明了隔震能够极大地减小土木工程结构地震响应。一般隔震系统必须具备以下特性:承载特性、隔震特性、复位特性、阻尼消能特性以及稳定性和耐久性。形状记忆合金(Shape Memory Alloy,SMA)是一种重要的智能材料,具有抗疲劳性好、阻尼能力强、可恢复变形大及性能稳定等优点。目前,采用SMA对结构隔震的思想主要是将形状记忆合金材料与常规隔震装置复合在一起:①利用形状记忆合金的高阻尼特性来提高隔震支座的耗能能力;②利用形状记忆合金的形状记忆效应或超弹性效应使得支座在震后能自动或通过加热(通电)复位;③利用形状记忆合金的强度和弹性模量使得隔震支座的竖向抗拔能力得到提高,并且限制了支座在振动时的最大位移。Seismic isolation is the earliest passive control method studied and applied at home and abroad, and a large number of experimental studies, actual engineering construction and multiple strong earthquake tests have proved that seismic isolation can greatly reduce the seismic response of civil engineering structures. A general seismic isolation system must have the following characteristics: bearing characteristics, seismic isolation characteristics, reset characteristics, damping and energy dissipation characteristics, and stability and durability. Shape memory alloy (Shape Memory Alloy, SMA) is an important intelligent material, which has the advantages of good fatigue resistance, strong damping ability, large recoverable deformation and stable performance. At present, the idea of using SMA for structural isolation is mainly to combine shape memory alloy materials with conventional isolation devices: ① Utilize the high damping characteristics of shape memory alloys to improve the energy dissipation capacity of isolation bearings; ② use shape memory The shape memory effect or superelastic effect of the alloy enables the bearing to reset automatically or by heating (energizing) after the earthquake; ③Using the strength and elastic modulus of the shape memory alloy can improve the vertical pullout resistance of the seismic isolation bearing, And limit the maximum displacement of the bearing during vibration.

已经开发的各类隔震装置大多仅仅起到水平向的隔震作用,不能起到水平和竖向同时隔离的作用。然而,大量的实际震害表明,竖向地震对于土木工程结构的破坏是不容忽视的。因此,非常有必要开发能够同时隔离水平和竖向地震作用的隔震装置。Most of the various seismic isolation devices that have been developed only play the role of horizontal seismic isolation, and cannot play the role of simultaneous horizontal and vertical isolation. However, a large number of actual earthquake damage shows that the damage to civil engineering structures caused by vertical earthquakes cannot be ignored. Therefore, it is very necessary to develop seismic isolation devices that can simultaneously isolate horizontal and vertical seismic actions.

发明内容 Contents of the invention

技术问题:本实用新型的目的是开发一种阻尼能力强、可恢复变形大、性能可靠、耐久性好、施工方便的形状记忆合金自复位多维隔震支座,该支座能够同时隔离水平向和竖向地震,具有震后自复位的能力,同时还能具有耗散振动能量、保护隔震装置在外部激励下不被拉坏以及震后自复位的能力。Technical problem: The purpose of this utility model is to develop a shape memory alloy self-resetting multi-dimensional seismic isolation bearing with strong damping capacity, large recoverable deformation, reliable performance, good durability and convenient construction. And vertical earthquake, it has the ability of self-resetting after earthquake, and it can also dissipate vibration energy, protect the isolation device from being damaged under external excitation, and self-reset after earthquake.

技术方案:为解决上述技术问题,本实用新型提供一种形状记忆合金自复位多维隔震支座,该隔震支座包括支座上钢板、与支座上钢板相对设置的支座下钢板、与支座上钢板下表面连接的支座核心筒、与支座下钢板上表面连接的支座外筒,其中支座核心筒位于支座外筒内,Technical solution: In order to solve the above technical problems, the utility model provides a shape memory alloy self-resetting multi-dimensional shock-isolation support, which includes an upper steel plate on the support, a lower steel plate opposite to the upper steel plate on the support, The support core tube connected to the lower surface of the upper steel plate of the support, and the support outer tube connected to the upper surface of the lower steel plate of the support, wherein the support core tube is located in the support outer tube,

该隔震支座还包括位于支座外筒内的支撑形状记忆合金棒和平衡形状记忆合金棒;其中,支撑形状记忆合金棒的两端分别与支座外筒和支座核心筒铰接,平衡形状记忆合金棒的两端分别与支座外筒和支座核心筒铰接。The shock-isolation bearing also includes supporting shape memory alloy rods and balanced shape memory alloy rods located in the outer cylinder of the bearing; wherein, the two ends of the supporting shape memory alloy rods are respectively hinged with the outer cylinder of the bearing and the core cylinder of the bearing, balanced The two ends of the shape memory alloy rod are respectively hinged with the outer cylinder of the support and the core cylinder of the support.

优选的,该隔震支座还包括内万向铰连接和外万向铰连接,其中,支撑形状记忆合金棒的两端分别通过内万向铰连接和外万向铰连接与支座外筒和支座核心筒铰接,平衡形状记忆合金棒的两端分别通过括内万向铰连接和外万向铰连接与支座外筒和支座核心筒铰接。Preferably, the shock-isolation support also includes an inner universal joint connection and an outer universal joint connection, wherein the two ends of the supporting shape memory alloy rod are respectively connected to the outer cylinder of the support through the inner universal joint connection and the outer universal joint connection It is hinged with the core tube of the support, and the two ends of the balanced shape memory alloy rod are respectively hinged with the outer tube of the support and the core tube of the support through an inner universal joint connection and an outer universal joint connection.

优选的,支撑形状记忆合金棒和平衡形状记忆合金棒所用材料是形状记忆合金棒材或索材。Preferably, the material used for supporting the shape memory alloy rod and the balanced shape memory alloy rod is a shape memory alloy rod or cable.

优选的,支撑形状记忆合金棒的截面积大于平衡形状记忆合金棒的截面积。Preferably, the cross-sectional area of the supporting shape-memory alloy rod is larger than the cross-sectional area of the equilibrium shape-memory alloy rod.

有益效果:本实用新型的形状记忆合金自复位多维隔震支座具有构造简单、隔震耗能效果好、耐久性好等优点。由于主材选取形状记忆合金材料,该支座的抗疲劳性好、阻尼能力强、可恢复变形大及性能稳定。它能够隔离水平任意方向的地震作用,表现出水平各向同性;而且,在承载上部结构的同时,还具有竖向隔震的作用,能够控制上部结构产生的提离力,有效解决了隔震中多维隔震的问题;在风荷载作用时,具有一定的初始刚度,不致发生过大的变形;同时,它具有阻尼耗能、限制结构滑移量的能力,能够按预先设计使隔震装置在遭遇地震设计强度时有足够的变形能力和自复位功能。可广泛应用于各类土木工程结构。Beneficial effects: the shape memory alloy self-resetting multi-dimensional shock-isolation support of the utility model has the advantages of simple structure, good shock-isolation energy consumption effect, and good durability. Since the main material is a shape memory alloy material, the support has good fatigue resistance, strong damping capacity, large recoverable deformation and stable performance. It can isolate the seismic action in any horizontal direction, showing horizontal isotropy; moreover, while carrying the upper structure, it also has the function of vertical isolation, which can control the lifting force generated by the upper structure, and effectively solves the problem of seismic isolation. The problem of multi-dimensional seismic isolation; when the wind load acts, it has a certain initial stiffness and will not cause excessive deformation; at the same time, it has the ability to damp energy consumption and limit the amount of structural slippage, and can make the seismic isolation device in the It has sufficient deformation capacity and self-resetting function when encountering the earthquake design strength. It can be widely used in various civil engineering structures.

附图说明 Description of drawings

图1是本实用新型的立面结构示意图;Fig. 1 is the elevation structure schematic diagram of the present utility model;

图2是本实用新型的平面结构示意图;Fig. 2 is a schematic diagram of the plane structure of the utility model;

图3是本实用新型的万向铰节点示意图;Fig. 3 is a schematic diagram of a universal hinge node of the present invention;

以上图中有:支座上钢板1;支座下钢板2;支座核心筒3;支座外筒4;支撑形状记忆合金棒5;平衡形状记忆合金棒6;内万向铰连接7;外万向铰连接8;上部结构9;下部结构10;上部连接螺栓11;预埋螺栓12;调节螺母81;调节螺杆82。In the above figure, there are: the steel plate 1 on the support; the steel plate 2 under the support; the core cylinder 3 of the support; the outer cylinder 4 of the support; the supporting shape memory alloy rod 5; the balanced shape memory alloy rod 6; Outer universal hinge connection 8; upper structure 9; lower structure 10; upper connecting bolt 11; embedded bolt 12; adjusting nut 81; adjusting screw rod 82.

具体实施方式 Detailed ways

参见图1-3,形状记忆合金自复位多维隔震支座是一种用于土木工程领域的多维隔(减)震装置。该支座主要由支座上钢板1、支座下钢板2、支座核心筒3、支座外筒4、支撑形状记忆合金棒(索)5、平衡形状记忆合金棒(索)6及一些连接部件等组成。Referring to Figures 1-3, the shape memory alloy self-resetting multi-dimensional shock-isolation bearing is a multi-dimensional shock-isolation (damping) device used in the field of civil engineering. The support is mainly composed of a support upper steel plate 1, a support lower steel plate 2, a support core cylinder 3, a support outer cylinder 4, a supporting shape memory alloy rod (cable) 5, a balanced shape memory alloy rod (cable) 6 and some Connecting components etc.

支座上钢板与支座核心筒焊接,支座下钢板与支座外筒焊接,支座核心筒底距支座下钢板顶留有一定的距离,支撑形状记忆合金棒5与支座核心筒3和支座外筒4铰接。支座内所有支撑形状记忆合金棒(索)5始终处于拉伸状态,其长度、与水平向夹角和初始状态均相同,支撑形状记忆合金棒(索)5截面积大于平衡形状记忆合金棒(索)6,能够承载上部结构。支座核心筒与支座外筒的相对运动使得形状记忆合金棒拉伸和收缩,完成隔震和耗能的功能。本实用新型具有构造简单、隔震耗能效果好、耐久性好的优点,它能够在隔离水平向和竖向激励的同时耗散振动能量,震后能够自动回复到震前状态,在大的外部激励下不被拉坏,震后能够自动回复到震前状态。它可广泛应用于土木工程结构的隔震上。The steel plate on the support is welded to the core tube of the support, the steel plate on the lower support is welded to the outer tube of the support, a certain distance is left between the bottom of the core tube of the support and the top of the steel plate under the support, and the supporting shape memory alloy rod 5 is connected to the core tube of the support 3 and the bearing outer cylinder 4 are hinged. All supporting shape memory alloy rods (cables) 5 in the support are always in a stretched state, and their length, angle with the horizontal direction and initial state are all the same, and the cross-sectional area of the supporting shape memory alloy rods (cables) 5 is larger than that of the balanced shape memory alloy rods (cable) 6, able to carry the upper structure. The relative movement between the support core cylinder and the support outer cylinder makes the shape memory alloy rod stretch and shrink, and completes the functions of shock isolation and energy dissipation. The utility model has the advantages of simple structure, good shock isolation and energy consumption effect, and good durability. It can dissipate vibration energy while isolating horizontal and vertical excitation, and can automatically return to the pre-earthquake state after the earthquake. It will not be damaged under external excitation, and can automatically return to the pre-earthquake state after the earthquake. It can be widely used in the seismic isolation of civil engineering structures.

本实用新型提供的一种形状记忆合金自复位多维隔震支座包括支座上钢板1、与支座上钢板1相对设置的支座下钢板2、与支座上钢板1下表面连接的支座核心筒3、与支座下钢板2上表面连接的支座外筒4,其中支座核心筒3位于支座外筒4内。The utility model provides a shape memory alloy self-resetting multi-dimensional shock-isolation support, which includes an upper support steel plate 1, a support lower steel plate 2 arranged opposite to the support upper steel plate 1, and a support connected to the lower surface of the support upper steel plate 1. Seat core cylinder 3 , the support outer cylinder 4 connected with the upper surface of the support lower steel plate 2 , wherein the support core cylinder 3 is located in the support outer cylinder 4 .

该隔震支座还包括位于支座外筒4内的支撑形状记忆合金棒5和平衡形状记忆合金棒6;其中,支撑形状记忆合金棒5的两端分别与支座外筒4和支座核心筒3铰接,平衡形状记忆合金棒6的两端分别与支座外筒4和支座核心筒3铰接。The shock-isolation bearing also includes a supporting shape memory alloy rod 5 and a balanced shape memory alloy rod 6 located in the outer cylinder 4 of the bearing; The core tube 3 is hinged, and the two ends of the balanced shape memory alloy rod 6 are respectively hinged with the support outer tube 4 and the support core tube 3 .

该隔震支座还包括内万向铰连接7和外万向铰连接8,其中,支撑形状记忆合金棒5的两端分别通过内万向铰连接7和外万向铰连接8与支座外筒4和支座核心筒3铰接,平衡形状记忆合金棒6的两端分别通过括内万向铰连接7和外万向铰连接8与支座外筒4和支座核心筒3铰接。The shock-isolation support also includes an inner universal hinge connection 7 and an outer universal hinge connection 8, wherein the two ends of the supporting shape memory alloy rod 5 are connected to the support through the inner universal hinge connection 7 and the outer universal hinge connection 8 respectively. The outer cylinder 4 is hinged to the support core tube 3, and the two ends of the balanced shape memory alloy rod 6 are hinged to the support outer cylinder 4 and the support core tube 3 through the inner universal joint connection 7 and the outer universal joint connection 8 respectively.

支撑形状记忆合金棒5和平衡形状记忆合金棒6所用材料是形状记忆合金棒材或索材。The material used to support the shape memory alloy rod 5 and the balanced shape memory alloy rod 6 is a shape memory alloy rod or cable.

支撑形状记忆合金棒5的截面积大于平衡形状记忆合金棒6的截面积。The cross-sectional area of the supporting shape memory alloy rod 5 is larger than that of the balanced shape memory alloy rod 6 .

具体而言,本实用新型的形状记忆合金自复位多维隔震支座主要由支座上钢板1;支座下钢板2;支座核心筒3;支座外筒4;支撑形状记忆合金棒5;平衡形状记忆合金棒(索)6;内万向铰连接7;外万向铰连接8;上部结构9;下部结构10;上部连接螺栓11;预埋螺栓12;调节螺母81;调节螺杆82组成。隔震支座为轴对称结构,支座核心筒3与支座外筒4同轴。支座上钢板1搁置在支座核心筒3上并通过焊接与之固接,支座外筒4搁置在支座下钢板2上并通过焊接与之固接;支撑形状记忆合金棒(索)5和平衡形状记忆合金棒(索)6通过内万向铰连接7与支座核心筒3铰接,通过外万向铰连接8与支座外筒4铰接;支座上钢板1通过上部螺栓11或焊接与上部结构9连接,支座下钢板2通过预埋螺栓12或焊接与下部结构10连接。Specifically, the shape-memory alloy self-resetting multi-dimensional shock-isolation bearing of the utility model is mainly composed of an upper steel plate 1 on the bearing; a lower steel plate 2 on the bearing; a core cylinder 3 on the bearing; an outer cylinder 4 on the bearing; Balanced shape memory alloy rod (cable) 6; inner universal joint connection 7; outer universal joint connection 8; upper structure 9; lower structure 10; upper connecting bolt 11; embedded bolt 12; adjusting nut 81; adjusting screw rod 82 composition. The shock-isolation support is an axisymmetric structure, and the core cylinder 3 of the support is coaxial with the outer cylinder 4 of the support. The steel plate 1 on the support rests on the core tube 3 of the support and is fixedly connected to it by welding, and the outer tube 4 of the support is placed on the steel plate 2 under the support and is fixedly connected to it by welding; the supporting shape memory alloy rod (cable) 5 and the balanced shape memory alloy rod (cable) 6 are hinged with the support core tube 3 through the inner universal joint connection 7, and hinged with the support outer cylinder 4 through the outer universal joint connection 8; the upper steel plate 1 of the support is connected with the upper bolt 11 Or welding is connected with the upper structure 9, and the steel plate 2 under the support is connected with the lower structure 10 through embedded bolts 12 or welding.

具体实施步骤如下:根据结构隔震的要求,确定该支座各组成部件的材性、尺寸、数量及支座核心筒3底距支座下钢板2顶的距离。将支座核心筒3与支座上钢板1焊接,将支座外筒4与支座下钢板2焊接。通过附加支架等方式使支座核心筒3与支座外筒4按设计初始位置固定。用内万向铰连接7将形状记忆合金棒(索)5和6连接到支座核心筒3,用外万向铰连接8将支撑形状记忆合金棒(索)5和平衡形状记忆合金棒(索)6连接到支座外筒4,调节外万向铰连接8上的调节螺母81和调节螺杆82使支撑形状记忆合金棒(索)5和平衡形状记忆合金棒(索)6到达设计初始状态并固定。支座下钢板2通过预埋螺栓12与下部结构10固接,支座上钢板1将通过连接螺栓11与上部结构9通过连接螺栓11与支座上钢板1固接。结构竖向荷载传递至支座后,卸除附加支架。The specific implementation steps are as follows: according to the requirements of structural isolation, determine the material properties, size, quantity of each component of the support and the distance between the bottom of the core tube 3 of the support and the top of the steel plate 2 under the support. Weld the core tube 3 of the support with the steel plate 1 on the support, and weld the outer cylinder 4 of the support with the steel plate 2 under the support. The support core tube 3 and the support outer tube 4 are fixed at the initial design positions by means of additional brackets and the like. The shape memory alloy rods (cables) 5 and 6 are connected to the support core tube 3 with the inner universal joint 7, and the shape memory alloy rods (cables) 5 and the balanced shape memory alloy rods ( The cable) 6 is connected to the support outer cylinder 4, and the adjusting nut 81 and the adjusting screw 82 on the outer universal joint connection 8 are adjusted so that the supporting shape memory alloy rod (cable) 5 and the balanced shape memory alloy rod (cable) 6 reach the design initial stage status and fixed. The lower steel plate 2 of the support is fixedly connected to the substructure 10 through embedded bolts 12 , and the upper steel plate 1 of the support is fixedly connected to the upper structure 9 through the connecting bolts 11 and the upper steel plate 1 of the support through the connecting bolts 11 . After the vertical load of the structure is transferred to the support, the additional support is removed.

以上所述仅为本实用新型的较佳实施方式,本实用新型的保护范围并不以上述实施方式为限,但凡本领域普通技术人员根据本实用新型所揭示内容所作的等效修饰或变化,皆应纳入权利要求书中记载的保护范围内。The above are only preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, but any equivalent modification or change made by those of ordinary skill in the art according to the content disclosed in the present utility model, All should be included in the scope of protection described in the claims.

Claims (4)

1. a marmem is from resetting the multiple dimension shock-proof bearing; It is characterized in that: this shock isolating pedestal comprises bearing upper steel plate (1), the bearing lower steel plate (2) that is oppositely arranged with bearing upper steel plate (1), the bearing core tube (3) that is connected with bearing upper steel plate (1) soffit, the bearing urceolus (4) that is connected with bearing lower steel plate (2) upper surface; Wherein bearing core tube (3) is positioned at bearing urceolus (4)
This shock isolating pedestal also comprises support marmem rod (5) and the balance marmem rod (6) that is positioned at bearing urceolus (4); Wherein, the two ends of supporting marmem rod (5) are hinged with bearing urceolus (4) and bearing core tube (3) respectively, and the two ends of equilibrium configuration memorial alloy rod (6) are hinged with bearing urceolus (4) and bearing core tube (3) respectively.
2. marmem according to claim 1 is from resetting the multiple dimension shock-proof bearing; It is characterized in that: universal being hinged (7) and outer universal being hinged (8) in this shock isolating pedestal also comprises; Wherein, The two ends of supporting marmem rod (5) are hinged with bearing urceolus (4) and bearing core tube (3) through interior universal being hinged (7) and outer universal being hinged (8) respectively, and the two ends of equilibrium configuration memorial alloy rod (6) are hinged with bearing urceolus (4) and bearing core tube (3) through universal being hinged (7) in drawing together and outer universal being hinged (8) respectively.
3. marmem according to claim 1 is characterized in that from resetting the multiple dimension shock-proof bearing: supporting marmem rod (5) and balance marmem rod (6) material therefor is marmem bar or rope material.
4. marmem according to claim 1 is characterized in that from resetting the multiple dimension shock-proof bearing: support the sectional area of the sectional area of marmem rod (5) greater than equilibrium configuration memorial alloy rod (6).
CN2011201617890U 2011-05-18 2011-05-18 Shape memory alloy self-resetting multidimensional shock insulation support Expired - Fee Related CN202099875U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185099A (en) * 2013-03-04 2013-07-03 北京空间飞行器总体设计部 Wire-connected multi-ring vibration-isolating device applicable to spacecraft
TWI512173B (en) * 2012-06-22 2015-12-11
CN105544761A (en) * 2015-12-11 2016-05-04 北京建筑大学 Shape memory alloy rolling horizontal and vertical multidimensional isolation bearing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI512173B (en) * 2012-06-22 2015-12-11
CN103185099A (en) * 2013-03-04 2013-07-03 北京空间飞行器总体设计部 Wire-connected multi-ring vibration-isolating device applicable to spacecraft
CN103185099B (en) * 2013-03-04 2015-02-04 北京空间飞行器总体设计部 Wire-connected multi-ring vibration-isolating device applicable to spacecraft
CN105544761A (en) * 2015-12-11 2016-05-04 北京建筑大学 Shape memory alloy rolling horizontal and vertical multidimensional isolation bearing

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