CN105821984A - A squeeze energy dissipation damper - Google Patents
A squeeze energy dissipation damper Download PDFInfo
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- CN105821984A CN105821984A CN201610229783.XA CN201610229783A CN105821984A CN 105821984 A CN105821984 A CN 105821984A CN 201610229783 A CN201610229783 A CN 201610229783A CN 105821984 A CN105821984 A CN 105821984A
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims description 30
- 239000002245 particle Substances 0.000 claims abstract description 29
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 239000002923 metal particle Substances 0.000 claims description 6
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
本发明公开一种挤压耗能阻尼器，由耗能装置和端部连接件组成，其中耗能装置包括金属套筒、固定限位板、活动限位板、填充颗粒及法兰盘；所述金属套筒包括至少一个带弧段主套筒单元、以及一个引伸直套筒，所述引伸直套筒与所述带弧段主套筒单元之间通过法兰盘可拆卸的同轴连接；所述带弧段主套筒单元内部的一端固定连接所述固定限位板；引伸直套筒内设置活动限位板；固定限位板与活动限位板之间形成一个密闭空间；所述密闭空间内密实填充所述填充颗粒。该挤压耗能阻尼器具有制作安装简便，成本低，耗能能力强，承载能力高，套筒局部开裂后仍能正常耗能，修复改造简单，适应范围广的特点。
The invention discloses an extrusion energy-dissipating damper, which is composed of an energy-dissipating device and an end connector, wherein the energy-dissipating device includes a metal sleeve, a fixed limiting plate, a movable limiting plate, filling particles and a flange plate; The metal sleeve includes at least one main sleeve unit with an arc section, and an extension straight sleeve, and the detachable simultaneous flange is used between the extension straight sleeve and the main sleeve unit with an arc section. Shaft connection; one end of the main sleeve unit with arc section is fixedly connected to the fixed limit plate; a movable limit plate is set in the straight sleeve; a closed space is formed between the fixed limit plate and the movable limit plate space; the closed space is densely filled with the filling particles. The extruded energy-dissipating damper has the characteristics of simple manufacture and installation, low cost, strong energy-dissipating capacity, high load-bearing capacity, normal energy-dissipating capacity after partial cracking of the sleeve, simple repair and transformation, and wide application range.
Description
技术领域 technical field
本发明涉及一种建筑结构控制装置，具体涉及一种性能可靠，构造简单的挤压耗能阻尼器。 The invention relates to a building structure control device, in particular to an extrusion energy dissipation damper with reliable performance and simple structure.
背景技术 Background technique
消能减震技术是把结构的某些非承重构件设计成消能构件，或在结构的某些部位设置消能部件；在风或者小震时，消能构件或者消能部件能够增大建筑结构的刚度；当遭遇大震，建筑结构受迫振动激烈时，消能构件或者消能部件产生较大的阻尼，消耗地震能量，从而减少结构的动力反应，避免结构产生过大的塑性变形而影响使用甚至破坏。目前国内外已经开发的主要消能部件有：各种类型的安装在支撑上的摩擦阻尼器，软刚和合金阻尼器，铅阻尼器，粘弹性阻尼器，油性阻尼器等。 Energy dissipation and shock absorption technology is to design some non-load-bearing components of the structure as energy dissipation components, or to install energy dissipation components in certain parts of the structure; in the case of wind or small earthquakes, the energy dissipation components or energy dissipation components can increase the size of the building. The rigidity of the structure; when the building structure is forced to vibrate violently during a major earthquake, the energy-dissipating components or energy-dissipating components will generate greater damping and consume seismic energy, thereby reducing the dynamic response of the structure and avoiding excessive plastic deformation of the structure. Affect use or even damage. At present, the main energy dissipation components that have been developed at home and abroad include: various types of friction dampers installed on supports, soft rigid and alloy dampers, lead dampers, viscoelastic dampers, oily dampers, etc.
耗能阻尼器多采用金属制作，利用金属材料受力产生塑性滞回变形或材料之间摩擦生热的原理耗散地震动的能量，相比于粘弹性、摩擦型、粘滞液体型等其他类型阻尼器，挤压耗能阻尼器构造简单，易加工、滞回性能稳定、易于更换，造价及维护费用低廉。 Energy-dissipating dampers are mostly made of metal, and use the principle of plastic hysteretic deformation of metal materials or frictional heat generation between materials to dissipate the energy of ground vibrations. Compared with viscoelastic, frictional, viscous liquid and other types Type damper, extrusion energy dissipation damper has simple structure, easy processing, stable hysteresis performance, easy replacement, low cost and maintenance cost.
现有的钢板耗能阻尼器按耗能机理一般分为四种：面外弯曲耗能、剪切耗能、面内弯曲耗能及轴向挤压耗能。面外弯曲耗能阻尼器变形能力强，滞回性能稳定但初始刚度较小。剪切耗能阻尼器利用钢板的剪切变形进行耗能，有效的提高了初始刚度，但是局部屈服易导致应力集中。面内弯曲耗能阻尼器则通过钢板平面内弯曲变形达到耗能目的，这种方式很大程度上提高了阻尼器的初始刚度及屈服力，但是在截面缺陷（孔端）处易引起应力集中。轴向挤压耗能阻尼器主要采用无黏结钢支撑的形式，但是通常支撑长细比较大，容易受压屈曲而失效，且滞回性能不是很理想。 The existing steel plate energy dissipation dampers are generally divided into four types according to the energy dissipation mechanism: out-of-plane bending energy dissipation, shear energy dissipation, in-plane bending energy dissipation and axial extrusion energy dissipation. The out-of-plane bending energy-dissipating damper has strong deformation ability, stable hysteretic performance but low initial stiffness. The shear energy dissipation damper uses the shear deformation of the steel plate to dissipate energy, which effectively improves the initial stiffness, but the local yield easily leads to stress concentration. The in-plane bending energy-dissipating damper achieves the purpose of energy dissipation through in-plane bending deformation of the steel plate. This method greatly improves the initial stiffness and yield force of the damper, but it is easy to cause stress concentration at the section defect (hole end) . The axial extrusion energy dissipation damper mainly adopts the form of unbonded steel support, but usually the support has a relatively large slenderness, which is easy to fail due to compression buckling, and the hysteretic performance is not ideal.
发明内容 Contents of the invention
本发明的发明目的在于提供一种制作安装简单、成本低、耗能能力强、承载力高的挤压耗能阻尼器。 The object of the present invention is to provide an extrusion energy-dissipating damper which is simple to manufacture and install, low in cost, strong in energy dissipation and high in bearing capacity.
为了实现上述目的，本发明的技术方案是： In order to achieve the above object, technical scheme of the present invention is:
一种挤压耗能阻尼器，由耗能装置和端部连接件组成，其中耗能装置包括金属套筒、固定限位板、活动限位板以及填充颗粒； A squeeze energy-dissipating damper, consisting of an energy-dissipating device and end connectors, wherein the energy-dissipating device includes a metal sleeve, a fixed limiting plate, a movable limiting plate and filling particles;
所述金属套筒包括至少一个带弧段主套筒单元、以及一个引伸直套筒，所述引伸直套筒与所述带弧段主套筒单元之间通过第一法兰盘连接； The metal sleeve includes at least one main sleeve unit with an arc section, and an extension straight sleeve, and the extension straight sleeve is connected to the main sleeve unit with an arc section through a first flange ;
所述带弧段主套筒单元内部的一端固定连接所述固定限位板； One end inside the main sleeve unit with an arc is fixedly connected to the fixed limiting plate;
所述引伸直套筒内设置所述活动限位板； The movable limiting plate is arranged in the straightening sleeve;
固定限位板与活动限位板之间形成一个密闭空间；所述密闭空间内密实填充所述填充颗粒； A closed space is formed between the fixed limiting plate and the movable limiting plate; the filling particles are densely filled in the closed space;
所述端部连接件包括连接在带弧段主套筒单元一端的第二法兰盘和连接在引伸直套筒端部的第三法兰盘。 The end connector includes a second flange connected to one end of the main sleeve unit with an arc and a third flange connected to the end of the extended straight sleeve.
所述填充颗粒材料采用不规则形状的金属颗粒或橡胶颗粒或高硬度石子或上述材料的混合颗粒。 The filling granular material adopts irregular shaped metal particles or rubber particles or high hardness stones or mixed particles of the above materials.
所述金属颗粒为软钢颗粒、铅颗粒、锡颗粒三种颗粒中的一种或多种混合。 The metal particles are one or more of mild steel particles, lead particles and tin particles mixed together.
所述金属套筒的长细比不大于50，每个带弧段主套筒单元的弧段矢跨比范围在0.02-0.12之间，失高不大于50mm。 The slenderness ratio of the metal sleeve is not greater than 50, the arc-span ratio of each arc-segmented main sleeve unit is in the range of 0.02-0.12, and the height loss is not greater than 50mm.
所述金属套筒由多个带弧段主套筒单元相互串联后连接一个引伸直套筒组成。 The metal sleeve is composed of a plurality of main sleeve units with arc segments connected in series and connected with an extended straight sleeve.
所述活动限位板的外壁与引伸直套筒内壁之间螺纹连接，活动限位板上设置有凸起的螺帽。 The outer wall of the movable limiting plate is threadedly connected with the inner wall of the extension sleeve, and a protruding nut is arranged on the movable limiting plate.
所述固定限位板上相邻填充颗粒的一侧设有压力传感器。 A pressure sensor is provided on the side of the fixed limiting plate adjacent to the filled particles.
所述带弧段主套筒单元的材质为钢，钢材质的带弧段主套筒单元的壁厚不小于10mm。 The material of the main sleeve unit with arc section is steel, and the wall thickness of the main sleeve unit with arc section made of steel is not less than 10mm.
本发明挤压耗能阻尼器具有以下特点：制作安装简便，成本低，耗能能力强，承载能力高，套筒局部开裂后仍能正常耗能，修复改造简单，适应范围广。小震发生时，阻尼器的刚度较小，可以避免因减小结构周期产生的地震作用增加；大震时，当阻尼器产生较大位移，刚度迅速增加，耗能能力充分发挥作用，防止大震时结构侧移迅速增加。 The extrusion energy dissipation damper of the present invention has the following characteristics: easy manufacture and installation, low cost, strong energy dissipation capacity, high bearing capacity, normal energy consumption after partial cracking of the sleeve, simple repair and transformation, and wide application range. When a small earthquake occurs, the stiffness of the damper is small, which can avoid the increase of seismic action due to the reduction of the structural period; The lateral movement of the structure increases rapidly during the earthquake.
附图说明 Description of drawings
图1为本发明的挤压耗能阻尼器的结构示意图； Fig. 1 is the structural representation of the extrusion energy dissipation damper of the present invention;
图2为图1中沿A—A线的剖面结构示意图； Fig. 2 is the sectional structure schematic diagram along line A-A in Fig. 1;
图3为本发明的活动限位板的结构示意图； Fig. 3 is a schematic structural view of the movable limiting plate of the present invention;
其中，1为带弧段主套筒单元；2为引伸直套筒；3为固定限位板；4为活动限位板；5为填充颗粒；41为活动限位板主体；42为螺帽；61为第一法兰盘；62为第二法兰盘；63为第三法兰盘。 Among them, 1 is the main sleeve unit with arc section; 2 is the extension straight sleeve; 3 is the fixed limit plate; 4 is the movable limit plate; 5 is the filling particle; 41 is the main body of the movable limit plate; 42 is the screw Cap; 61 is the first flange; 62 is the second flange; 63 is the third flange.
具体实施方式 detailed description
下面将结合附图以及具体实施例来详细说明本发明，在此本发明的示意性实施例以及说明用来解释本发明，但并不作为对本发明的限定。 The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, where the schematic embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
一种挤压耗能阻尼器，如图2所示，由耗能装置和端部连接件组成，其中耗能装置包括带弧段主套筒单元1、引伸直套筒2、固定安装于带弧段主套筒单元1内部左端的固定限位板3、设置在引伸直套筒2内部的活动限位板4、密实填充于两限位板之间的填充颗粒5、设置在带弧段主套筒单元1和引伸直套筒2之间的第一法兰盘61、设置在带弧段主套筒单元1一端的第二法兰盘62、设置在引伸直套筒2一端的第三法兰盘63，阻尼器通过第二法兰盘62和第三法兰盘63与外部结构支撑相连接。 An extrusion energy-dissipating damper, as shown in Figure 2, consists of an energy-dissipating device and end connectors, wherein the energy-dissipating device includes a main sleeve unit 1 with an arc section, an extended straight sleeve 2, and is fixedly installed on The fixed limiting plate 3 at the left end of the main sleeve unit 1 with arc section, the movable limiting plate 4 arranged inside the extension straight sleeve 2, the filling particles 5 densely filled between the two limiting plates, and the The first flange 61 between the arc section main sleeve unit 1 and the extension straight sleeve 2, the second flange 62 arranged at one end of the arc section main sleeve unit 1, and the second flange 62 arranged at the end of the extension straight sleeve 2. A third flange 63 at one end, the damper is connected to the external structural support through the second flange 62 and the third flange 63.
作为本发明的一个优选实施例，所述的引伸直套筒2的内壁以及活动限位板4外边缘有螺纹（未标示），活动限位板4通过螺纹与引伸直套筒2咬合连接，活动限位板4一侧侧面上设置有凸起的螺帽42。 As a preferred embodiment of the present invention, the inner wall of the straightening sleeve 2 and the outer edge of the movable limiting plate 4 have threads (not marked), and the movable limiting plate 4 engages with the straightening sleeve 2 through threads To connect, a protruding nut 42 is provided on one side of the movable limiting plate 4 .
作为本发明的另一个优选实施例，所述填充颗粒材料采用不规则形状的金属颗粒或橡胶颗粒或高硬度石子或上述材料的混合颗粒。 As another preferred embodiment of the present invention, the filling granular material adopts irregular shaped metal particles or rubber particles or high hardness stones or mixed particles of the above materials.
作为本发明的进一步优选实施例，所述金属颗粒为软钢颗粒、铅颗粒或锡颗粒。 As a further preferred embodiment of the present invention, the metal particles are mild steel particles, lead particles or tin particles.
作为本发明的进一步优选实施例，所述金属套筒的长细比不大于50，弧段的矢跨比范围在0.02-0.12之间，失高不大于50mm。 As a further preferred embodiment of the present invention, the slenderness ratio of the metal sleeve is not greater than 50, the rise-span ratio of the arc segment is in the range of 0.02-0.12, and the height loss is not greater than 50mm.
作为本发明的进一步优选实施例，多个所述带弧段主套筒单元相互串联后连接一个引伸直套筒组成所述金属套筒。 As a further preferred embodiment of the present invention, a plurality of main sleeve units with arc segments are connected in series to each other and then connected to an extension straight sleeve to form the metal sleeve.
作为本发明的进一步优选实施例，所述活动限位板的外壁与引伸直套筒内壁之间螺纹连接所述固定限位板上相邻填充颗粒的一侧设有压力传感器。 As a further preferred embodiment of the present invention, the outer wall of the movable limiting plate and the inner wall of the straightening sleeve are threadedly connected and a pressure sensor is provided on the side of the fixed limiting plate adjacent to the filled particles.
作为本发明的进一步优选实施例，所述带弧段主套筒单元的材质为钢，所述钢材质的带弧段主套筒单元的壁厚不小于10mm。 As a further preferred embodiment of the present invention, the material of the main sleeve unit with arc section is steel, and the wall thickness of the main sleeve unit with arc section made of steel is not less than 10 mm.
具体实施时，先将带弧段主套筒单元1与引伸直套筒2相连接，再将填充颗粒5灌入到套筒的内腔中，再用Y形或者T形扳手套住活动限位板4上的螺帽42，将其旋入引伸直套筒2内部，将填充颗粒5压实的同时注意控制压力传感器的示数不能超过规定限值，所述规定限制为施加压力后，套筒的横向拉应力应小于套筒屈服强度70%，优选的为20%~70%之间。 In specific implementation, first connect the main sleeve unit 1 with the arc section to the extension straight sleeve 2, then fill the filling particles 5 into the inner cavity of the sleeve, and then use a Y-shaped or T-shaped wrench to catch the movable The nut 42 on the limiting plate 4 is screwed into the inside of the straightening sleeve 2 to compact the filling particles 5 and at the same time pay attention to control the reading of the pressure sensor not to exceed the specified limit value, which is limited to the applied pressure Finally, the transverse tensile stress of the sleeve should be less than 70% of the yield strength of the sleeve, preferably between 20% and 70%.
本发明挤压耗能阻尼器的工作原理如下：带弧段主套筒单元1以及引伸直套筒2分别通过第二法兰盘62和第三法兰盘63与外部结构支撑相连。小震发生时，阻尼器的刚度较小，可以避免因减小结构周期产生的地震作用增加；大震时，当阻尼器产生较大位移，刚度迅速增加，耗能能力充分发挥作用，防止大震时结构侧移迅速增加。另外套筒的变形会使填充颗粒5互相之间产生摩擦和挤压作用而产生阻尼力，为结构提供较大的耗能功能。应用本发明，制作安装简单，结构的抗震性能更好。 The working principle of the extrusion energy-dissipating damper of the present invention is as follows: the main sleeve unit 1 with the arc section and the extension straight sleeve 2 are respectively connected to the external structural support through the second flange 62 and the third flange 63 . When a small earthquake occurs, the stiffness of the damper is small, which can avoid the increase of seismic action due to the reduction of the structural period; The lateral movement of the structure increases rapidly during the earthquake. In addition, the deformation of the sleeve will cause friction and extrusion between the filling particles 5 to generate damping force, which provides the structure with a greater energy dissipation function. By applying the invention, the fabrication and installation are simple, and the structure has better anti-seismic performance.
以上所述实施例仅表达了本发明的部分实施方式，其描述较为具体和详细，仅为帮助理解本发明实施例的原理，并不能因此理解为对本发明专利的范围的限制。同时，对本领域的一般技术人员，在不脱离本发明专利构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。综上所述，本说明书内容不应理解为对本发明的限制，本发明专利的保护范围应以所附权利要求为准。 The above-mentioned embodiments only express some implementations of the present invention, and the descriptions are more specific and detailed, which are only to help understand the principles of the embodiments of the present invention, and should not be construed as limiting the scope of the patents of the present invention. At the same time, those skilled in the art can make several modifications and improvements without departing from the patent concept of the present invention, and these all belong to the protection scope of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention, and the scope of protection of the patent for the present invention should be based on the appended claims.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610229783.XA CN105821984B (en) | 2016-04-14 | 2016-04-14 | One kind extruding energy-consumption damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610229783.XA CN105821984B (en) | 2016-04-14 | 2016-04-14 | One kind extruding energy-consumption damper |
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| CN105821984A true CN105821984A (en) | 2016-08-03 |
| CN105821984B CN105821984B (en) | 2017-12-26 |
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| CN201610229783.XA Expired - Fee Related CN105821984B (en) | 2016-04-14 | 2016-04-14 | One kind extruding energy-consumption damper |
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| CN106567592A (en) * | 2016-11-09 | 2017-04-19 | 中国建筑第八工程局有限公司 | Low-yield point steel energy dissipation and particle energy dissipation damper |
| CN106969079A (en) * | 2017-04-28 | 2017-07-21 | 宁波大学 | A kind of isolation mounting |
| CN107035812A (en) * | 2017-04-28 | 2017-08-11 | 宁波建工工程集团有限公司 | Vertical vibration damping and vibration isolation bearing and its method of work |
| CN113322782A (en) * | 2021-05-31 | 2021-08-31 | 哈尔滨工业大学 | Welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber |
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| CN106567592A (en) * | 2016-11-09 | 2017-04-19 | 中国建筑第八工程局有限公司 | Low-yield point steel energy dissipation and particle energy dissipation damper |
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| CN107035812A (en) * | 2017-04-28 | 2017-08-11 | 宁波建工工程集团有限公司 | Vertical vibration damping and vibration isolation bearing and its method of work |
| CN113322782A (en) * | 2021-05-31 | 2021-08-31 | 哈尔滨工业大学 | Welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber |
| CN113322782B (en) * | 2021-05-31 | 2022-10-04 | 哈尔滨工业大学 | A welding-free shape memory alloy double-tube shearing energy dissipation device filled with rubber |
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