CN106758765B - A kind of multidimensional tuned mass damper - Google Patents

A kind of multidimensional tuned mass damper Download PDF

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CN106758765B
CN106758765B CN201610986712.4A CN201610986712A CN106758765B CN 106758765 B CN106758765 B CN 106758765B CN 201610986712 A CN201610986712 A CN 201610986712A CN 106758765 B CN106758765 B CN 106758765B
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unit
vertical
inner sleeve
damper
sleeve
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CN106758765A (en
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陶天友
王浩
邹仲钦
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Southeast University
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, 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
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

本发明公开了一种多维调谐质量阻尼器，包括外部套筒、内部套筒、中心质量块单元、竖向弹簧单元、竖向阻尼器单元、水平向弹簧单元、水平向阻尼器单元；所述中心质量块单元通过水平向弹簧单元、水平向阻尼器单元及滚轮与内部套筒连接，所述内部套筒通过竖向弹簧单元、竖向阻尼器单元及滚轮与外部套筒连接，所述外部套筒与工程结构固定连接。本发明可实现结构的多维振动控制，适用于强风、车辆、地震等动力荷载作用下工程结构的减振控制。

The invention discloses a multi-dimensional tuning mass damper, comprising an outer sleeve, an inner sleeve, a central mass block unit, a vertical spring unit, a vertical damper unit, a horizontal spring unit, and a horizontal damper unit; the The central mass unit is connected to the inner sleeve through the horizontal spring unit, the horizontal damper unit and the roller, and the inner sleeve is connected to the outer sleeve through the vertical spring unit, the vertical damper unit and the roller, and the outer sleeve is connected to the outer sleeve. The sleeve is fixedly connected with the engineering structure. The invention can realize the multi-dimensional vibration control of the structure, and is suitable for the vibration reduction control of the engineering structure under the action of strong wind, vehicle, earthquake and other dynamic loads.

Description

A kind of multidimensional tuned mass damper
Technical field
The present invention relates to a kind of multidimensional tuned mass damper, it can be achieved that under the dynamic load functions such as high wind, vehicle, earthquake The multidimensional vibration reduction of engineering structure controls.
Background technique
In recent years, the natural calamities such as earthquake, high wind worldwide increasingly frequently, caused by loss it is also extremely huge Greatly.For example, 9 grades of earthquakes occur for Tokyo on March 11 in 2011, while strong tsunami and multiple aftershock are caused, have caused day 15894 people of this whole nation is wrecked, and economic asset loss is extremely huge；2016, violent typhoon Ni Baite attacked Fujian Province, China, near-earth Wind speed maximum causes 45.2 ten thousand people of Fujian Province disaster-stricken up to 60m/s, house collapse between more than 900, damages in various degree between 1.1 ten thousand, Direct economic loss is up to 900,000,000 yuan.Therefore, the wind resistance and seismic seeurity of the engineering structures such as building, bridge become academia with The problem of engineering circles are paid close attention to.For most of engineering structures by tightly designing, in earthquake and high wind load It will not usually occur directly to destroy under effect, but the substantially vibration of structure usually influences the fingers such as comfort level, the fatigue life of structure Mark, therefore structural vibration control has become the hot research direction for current field of civil engineering.Meanwhile under Vehicle Load The controlling of vibration be also research hotspot therein.
In modern structure vibration control mode, tuned mass damper (Tuned Mass Damper, abbreviation TMD) is Research both at home and abroad is relatively early and more effectively a kind of passive control measure of energy free, principle are: when main structure excited vibration When, minor structure (mass block of TMD) will generate an inertia force opposite with main structure direction of vibration, so that main structure power is rung It should decay and reach the target of vibration damping control.Since TMD simple structure, economy, effectiveness in vibration suppression are obvious, it has been widely used at present In the vibration control of engineering structure, such as Taipei 101 mansion, the wind dynamic control of Shanghai Center Building contour level building structure.
In engineer application, TMD is only used for controlling the vibration of single direction fundamental frequency.Thus work as and needs to structure When the vibration of multiple directions is controlled simultaneously, need to be arranged multiple mutually independent TMD devices just with control structure different directions Vibration.However, TMD structural vibration reduction control in a feature be mass block quality it is bigger, effectiveness in vibration suppression is better. Therefore, when carrying out structure multi-dimension vibration control using multiple mutually independent TMD devices, biggish perseverance undoubtedly is increased to structure It carries, or even the dynamic and static properties of main structure can be seriously affected.For this purpose, not increasing or increasing on a small quantity TMD mass block quality On the basis of, multidimensional tuned mass damper is researched and developed, engineering structure under the dynamic load functions such as high wind, vehicle, earthquake is subtracted Vibration control is of great significance and is worth.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of multidimensional tuning quality damping Device can control effectively to the response to multi-axis vibration of engineering structure under the dynamic load functions such as high wind, vehicle, earthquake.
Technical solution: to achieve the above object, technical scheme is as follows:
A kind of multidimensional tuned mass damper, including outer sleeve, inner sleeve, center mass module unit, Vertical Spring Unit, vertical damping device unit, horizontal direction spring unit, horizontal direction damper elements；The center mass module unit passes through water It puts down to spring unit, horizontal direction damper elements and idler wheel and is connect with inner sleeve, the inner sleeve passes through Vertical Spring list Member, vertical damping device unit and idler wheel are connect with outer sleeve, and the outer sleeve is fixedly connected with engineering structure.
Further, the center mass module unit is provided centrally with spherical cave, by filling not in spherical cave The quality for changing center mass module unit with the material of density, wants the design of mass block quality with adaptation level, vertical TMD It asks.
Further, the center mass module unit is placed in inner sleeve, and is hindered with horizontal direction spring unit, horizontal direction Buddhist nun's device unit forms horizontal direction TMD vibration insulating system.
Further, the center mass module unit horizontal direction side by least one horizontal direction spring unit with it is interior The inner wall side of portion's sleeve connects, and the center mass module unit horizontal direction other side passes through at least one horizontal direction damper The connection of the inner wall other side of unit and inner sleeve, the horizontal direction spring unit and horizontal direction damper elements symmetrical cloth in pairs It sets, and the upper and lower surfaces of the center mass module unit are bonded respectively with the upper and lower wall surface of the inner wall of inner sleeve by idler wheel and are set It sets；The internally positioned sleeve center of center mass module unit.
Further, the inner sleeve is placed in outer sleeve, and with Vertical Spring unit, vertical damping device unit shape At vertical TMD vibration insulating system.
Further, the Vertical Spring unit and vertical damping device unit vertically constitute a vertical module, described vertical Module is symmetrically arranged at the upper and lower surfaces of the inner sleeve, and connect respectively with the upper and lower inner wall of outer sleeve, By idler wheel respectively close to the left and right wall surface of the inner wall of outer sleeve, idler wheel and wall surface in the left and right outside wall surface of the inner sleeve Between there are a fixed gaps to adapt to foozle；The inner sleeve is located at the center of outer sleeve.
Further, the horizontal direction damper elements connection between center mass module unit and inner sleeve respectively Bolt hinged-support, marmem or spherical hinged-support can be used in mechanism.
Further, the bindiny mechanism between inner sleeve and outer sleeve can adopt the vertical damping device unit respectively With bolt hinged-support, marmem or spherical hinged-support.
Further, the outer sleeve and inner sleeve are cylindrical, and the center mass module unit is in cuboid Structure.
The utility model has the advantages that the quality of horizontal TMD system is successfully included in perpendicular the present invention is based on the incomplete theory for sharing quality To TMD system, it can be achieved that the independent control of the multidirectional vibration of engineering structure.Compared to multiple independent TMD devices, the present invention is being protected Under the premise of demonstrate,proving multidirectional vibration damping efficiency, the gross mass of TMD is greatly reduced, material cost, another party have on the one hand been saved Face reduces influence of the TMD to structure dynamic and static properties significantly.Meanwhile the device also has installation simple, easy to use etc. Advantage all has wide application prospect and value in the control of newly-built structure vibration damping and existing building strengthening reconstruction.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of the embodiment of the present invention；
Fig. 2 is I-I cross-sectional view in Fig. 1；
Fig. 3 is II-II cross-sectional view in Fig. 1；
Fig. 4 is the connection schematic diagram of damper elements in Fig. 1；
Fig. 5 is the connection schematic diagram of marmem in Fig. 4.
Specific embodiment
A kind of multidimensional tuned mass damper, including outer sleeve 1, inner sleeve 2, center mass module unit 3, vertical bullet Spring unit 4, vertical damping device unit 5, horizontal direction spring unit 6, horizontal direction damper elements 7；The center mass module unit 3 It is connect by horizontal direction spring unit 6, horizontal direction damper elements 7 and idler wheel 8 with inner sleeve 2, the inner sleeve 2 passes through Vertical Spring unit 4, vertical damping device unit 5 and idler wheel 8 are connect with outer sleeve 1, the outer sleeve 1 and engineering structure 10 It is fixedly connected.
The center mass module unit 3 is placed in inner sleeve 2, and with horizontal direction spring unit 6, horizontal direction damper list Member 7 forms horizontal direction TMD vibration insulating system.The 3 horizontal direction side of center mass module unit passes through at least one horizontal direction bullet Spring unit 6 is connect with the inner wall side of inner sleeve 2, and the 3 horizontal direction other side of center mass module unit passes through at least one A horizontal direction damper elements 7 are connect with the inner wall other side of inner sleeve 2, and the horizontal direction spring unit 6 is hindered with horizontal direction Buddhist nun's device unit 7 is arranged symmetrically in pairs, and the upper and lower surfaces of the center mass module unit 3 by idler wheel 8 respectively with inner sleeve The upper and lower wall surface fitting setting of 2 inner wall；Internally positioned 2 center of sleeve of the center mass module unit 3.
The inner sleeve 2 is placed in outer sleeve 1, and is formed and erected with Vertical Spring unit 4, vertical damping device unit 5 To TMD shock mitigation system.The Vertical Spring unit 4 and vertical damping device unit 5 vertically constitute a vertical module, the vertical mould Block is symmetrically arranged at the upper and lower surfaces of the inner sleeve 2, and connect respectively with the upper and lower inner wall of outer sleeve 1, By idler wheel 8 respectively close to the left and right wall surface of inner wall of outer sleeve 1 in the left and right outside wall surface of the inner sleeve 2, idler wheel with There are a fixed gaps between wall surface to adapt to foozle；The inner sleeve 2 is located at the center of outer sleeve 1.
It can be seen from the above, inner sleeve 2 has vertical spacing effect, center mass module unit 3 to center mass block unit 3 Be only capable of horizontally moving, thus can preferably realize structure level to vibration control；Similarly, outer sleeve 1 is to inner sleeve 2 With Horizontal limiting effect, inner sleeve 2 is only capable of vertically moving, thus can preferably realize the vertical vibration control of structure.
Meanwhile center mass module unit 3 is provided centrally with spherical cave, the spherical cave can be filled different densities solid or Liquid is to adjust the quality of horizontal direction Yu vertical TMD system, while auxiliary adjustment horizontal direction and the rigidity of Vertical Spring are so that TMD Reach design frequency parameter.
The present invention will be further explained with reference to the accompanying drawing.
The multidimensional tuned mass damper of the present embodiment is mounted in engineering structure, can in the lesser situation of gross mass, It control effectively to the multidirectional vibration of engineering structure under the dynamic load functions such as high wind, vehicle, earthquake.
As shown in Figure 1 to Figure 3, multidimensional tuned mass damper of the invention is mounted in engineering structure 10, and using high Strength bolt 9 is reliably connected the two formation.Multidimensional tuned mass damper mainly includes outer sleeve 1, inner sleeve 2, center Quality module unit 3, Vertical Spring unit 4, vertical damping device unit 5, horizontal direction spring unit 6, horizontal direction damper elements 7 with And idler wheel 8.Wherein, outer sleeve 1, inner sleeve 2 are cylindrical, and center mass module unit 3 is in rectangular parallelepiped structure, have below Body illustrates assembled relation of the invention.
As shown in Figure 1, outer sleeve 1 is connected with engineering structure 10 using high-strength bolt 9, inner sleeve 2 and outer sleeve 1 Top plate and bottom plate be connected with vertical damping device unit 5 using Vertical Spring unit 4, can move up and down in outer sleeve, Reduce friction equipped with idler wheel 8 in 2 side wall of inner sleeve, and there are a fixed gaps between 1 inner wall of inner sleeve 2 and outer sleeve In order to the assembling of device.
As shown in Fig. 2, the inner wall of center mass module unit 3 and inner sleeve 2 uses horizontal direction spring unit 6 and horizontal direction Damper elements 7 are connected, and idler wheel 8 is housed to reduce frictional force in the top and the bottom of center mass module unit 3, make it in inside Horizontal direction movement is done in sleeve 2.
As shown in figure 3, Vertical Spring unit 4 and vertical damping device unit 5 are equal between outer sleeve 1 and inner sleeve 2 Even distribution guarantees that inner sleeve 2 moves up and down in outer sleeve 1.
In this way, center mass module unit 3, horizontal direction spring unit 6,7 three of horizontal direction damper elements just form water It puts down to TMD system, inner sleeve 2, Vertical Spring unit 4, vertical damping device unit 5 just form vertical TMD system.Two TMD system can be respectively used to the horizontal vibration and vertical motion of control structure, and the quality of horizontal direction TMD system incorporates completely The mass block part of vertical TMD system.
The relevant parameter of above-mentioned TMD vibration absorber is determined by the corresponding frequency of structural modal to be controlled, is selected according to limit displacement value It selects the spring unit of suitable parameters and determines its quantity, determine what multidimensional TMD device all directions should have by numerical analysis Damping parameter passes through the suitable damper elements of such parameters selection.Friction damper, rubber resistance can be used in damper elements The damper devices such as Buddhist nun's device, viscous damper；Damper elements and the type of spring unit are selected according to actual design parameter It selects.
To guarantee that horizontal direction damper elements 7 can planar be rotated with Consultation Center's quality module unit, damp Bolt hinged-support 11, marmem 12 or spherical hinged-support 13 shown in Fig. 4 can be used in the connection of device and beam-ends.Due to interior There are certain intervals between 1 inner wall of portion's sleeve 2 and outer sleeve, therefore when inner sleeve 2 moves in outer sleeve 1 may produce Raw small horizontal displacement or torsion.For the horizontal movement for making vertical damping device unit tunable inner sleeve, junction can be adopted With bolt hinged-support 11, marmem 12 or spherical hinged-support 13.For the specific configuration side of marmem in Fig. 4 Formula is shown in Fig. 5.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (3)

1.一种多维调谐质量阻尼器，其特征在于：包括外部套筒(1)、内部套筒(2)、中心质量块单元(3)、竖向弹簧单元(4)、竖向阻尼器单元(5)、水平向弹簧单元(6)、水平向阻尼器单元(7)；所述中心质量块单元(3)两侧分别通过呈对称设置的水平向弹簧单元(6)和水平向阻尼器单元(7)与内部套筒(2)相对的两个内壁沿水平方向连接，中心质量块单元(3)的上、下表面通过滚轮(8)分别与内部套筒(2)的上、下内壁面贴合设置，中心质量块单元(3)位于内部套筒(2)正中心；所述竖向弹簧单元(4)和竖向阻尼器单元(5)竖向构成一竖向模块，所述竖向模块分别对称设置在所述内部套筒(2)的上、下表面，并分别与外部套筒(1)的上、下内壁面连接；所述内部套筒(2)的左、右外壁面上通过滚轮(8)贴近外部套筒(1)的内壁左、右壁面，滚轮与壁面间留有空隙；所述内部套筒(2)位于外部套筒(1)的正中心；所述外部套筒(1)与工程结构(10)采用高强螺栓固定连接；1. A multi-dimensional tuned mass damper, characterized in that: it comprises an outer sleeve (1), an inner sleeve (2), a central mass block unit (3), a vertical spring unit (4), a vertical damper unit (5), a horizontal spring unit (6), a horizontal damper unit (7); the two sides of the central mass block unit (3) pass through the symmetrically arranged horizontal spring units (6) and horizontal dampers respectively The two inner walls opposite the unit (7) and the inner sleeve (2) are connected in the horizontal direction, and the upper and lower surfaces of the central mass unit (3) are respectively connected with the upper and lower surfaces of the inner sleeve (2) through the rollers (8). The inner wall surfaces are fitted together, and the central mass block unit (3) is located in the center of the inner sleeve (2); the vertical spring unit (4) and the vertical damper unit (5) vertically constitute a vertical module, so The vertical modules are symmetrically arranged on the upper and lower surfaces of the inner sleeve (2), respectively, and are respectively connected with the upper and lower inner wall surfaces of the outer sleeve (1); The right outer wall surface is close to the left and right wall surfaces of the inner wall of the outer sleeve (1) through the roller (8), and there is a gap between the roller and the wall surface; the inner sleeve (2) is located at the center of the outer sleeve (1); The outer sleeve (1) and the engineering structure (10) are fixedly connected by high-strength bolts; 所述外部套筒(1)和内部套筒(2)均呈圆柱形，所述中心质量块单元(3)呈长方体结构；所述中心质量块单元(3)中心设置有球形空洞，通过在球形空洞中填充不同密度的材料改变中心质量块单元(3)的质量；所述水平向阻尼器单元(7)分别与中心质量块单元(3)和内部套筒(2)之间的连接机构可采用插销铰支座(11)、形状记忆合金(12)或球形铰支座(13)；所述竖向阻尼器单元(5)分别与内部套筒(2)和外部套筒(1)之间的连接机构可采用插销铰支座(11)、形状记忆合金(12)或球形铰支座(13)。Both the outer sleeve (1) and the inner sleeve (2) are cylindrical, and the central mass block unit (3) is in the form of a cuboid; a spherical cavity is provided in the center of the central mass block unit (3), The spherical cavity is filled with materials of different densities to change the mass of the central mass unit (3); the connection mechanism between the horizontal damper unit (7) and the central mass unit (3) and the inner sleeve (2) respectively A bolt hinge bearing (11), a shape memory alloy (12) or a spherical hinge bearing (13) can be used; the vertical damper unit (5) is connected to the inner sleeve (2) and the outer sleeve (1) respectively The connecting mechanism between them can be a bolt hinge support (11), a shape memory alloy (12) or a spherical hinge support (13). 2.根据权利要求1所述的一种多维调谐质量阻尼器，其特征在于：所述中心质量块单元(3)置于内部套筒(2)内部，并与水平向弹簧单元(6)、水平向阻尼器单元(7)形成水平向TMD减振系统。2. A multi-dimensional tuned mass damper according to claim 1, characterized in that: the central mass block unit (3) is placed inside the inner sleeve (2), and is connected with the horizontal spring unit (6), The horizontal damper unit (7) forms a horizontal TMD damping system. 3.根据权利要求1所述的一种多维调谐质量阻尼器，其特征在于：所述内部套筒(2)置于外部套筒(1)内，并与竖向弹簧单元(4)、竖向阻尼器单元(5)形成竖向TMD减振系统。3. A multi-dimensional tuned mass damper according to claim 1, characterized in that: the inner sleeve (2) is placed in the outer sleeve (1), and is connected with the vertical spring unit (4), the vertical A vertical TMD damping system is formed to the damper unit (5).
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