CN102936926A - Multi-dimensional collision energy consumption mass pendulum damper - Google Patents

Multi-dimensional collision energy consumption mass pendulum damper Download PDF

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Publication number
CN102936926A
CN102936926A CN2012104216379A CN201210421637A CN102936926A CN 102936926 A CN102936926 A CN 102936926A CN 2012104216379 A CN2012104216379 A CN 2012104216379A CN 201210421637 A CN201210421637 A CN 201210421637A CN 102936926 A CN102936926 A CN 102936926A
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China
Prior art keywords
mass ball
metallic cylinder
layer
viscoelastic
cylinder
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CN2012104216379A
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CN102936926B (en
Inventor
林友新
李宏男
付兴
李钢
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Dalian University of Technology
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Dalian University of Technology
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Abstract

The invention discloses a multi-dimensional collision energy consumption mass pendulum damper which consists of a mass ball, a steel cable, a metal cylinder and a viscose elastic material layer, wherein the metal cylinder is an inverted cylinder opening vertically downward; the mass ball, the steel cable and the viscose elastic material layer are all located in the metal cylinder; the mass ball and the steel cable are located in the middle of the metal cylinder; the upper end of the steel cable is fixedly connected with a cylinder bottom plate of the metal cylinder; the lower end of the steel cable is fixedly connected with the mass ball; the mass ball is suspended in the metal cylinder; the viscose elastic material layer is attached to the inner wall of the metal cylinder; and the viscose elastic material layer is arranged in a position capable of enabling collision with the mass ball when the mass ball swings in the metal cylinder so as to realize energy absorption, energy consumption and shock absorption. The damper disclosed by the invention can reduce the vibration reaction of the structure and solve the problem of the structure in seismic resistance and wind resistance.

Description

A kind of multidimensional energy by collision quality pendulum damper device
Technical field
The present invention relates to engineering structures antidetonation wind resistance technical field, specifically refer to a kind of multidimensional energy by collision quality pendulum damper device.
Background technology
In recent years, structural vibration control has become one of the most popular damping technology in earthquake resistant engineering wind resistance field.Because its practicality and validity receive increasing concern.
Structural vibration control is divided into ACTIVE CONTROL, Passive Control and mixing control (being the combination of active and passive control) usually.Wherein, damper (also claiming control device) forms the enforcement that directly affects control technology as the core of control technology.ACTIVE CONTROL is to utilize extra power to provide control to reduce the reaction of structure under the environmental load effect, although its control effect is remarkable, need the input external energy, and it is higher that controller is arranged technical requirements, and expense is larger, and engineering is used comparatively difficulty.Passive Control does not then need extra power, and is cheap, is easy to realize and application, and possesses preferably effectiveness in vibration suppression.
Summary of the invention
The purpose of this invention is to provide a kind of multidimensional energy by collision quality pendulum damper device, this damper can reduce the vibration reaction of place structure, solves the structural seismic anti-wind problems.
Above-mentioned purpose of the present invention realizes by following technical solution: a kind of multidimensional energy by collision quality pendulum damper device, it is characterized in that: this damper is by mass ball, cable wire, metallic cylinder and viscoelastic material layer form, described metallic cylinder is opening inversion cylinder straight down, described mass ball, cable wire, and the viscoelastic material layer all is positioned at described metallic cylinder, wherein, mass ball and cable wire are positioned at the middle part of metallic cylinder, the upper end of cable wire is fixedly connected on the tube end plate of metallic cylinder, the lower end of cable wire is fixedly connected with mass ball, mass ball is the suspention shape in the metallic cylinder cylinder, described viscoelastic material layer sticking type is arranged on the inwall of metallic cylinder, the setting position of viscoelastic material layer can be worked as mass ball when occuring to swing in the metallic cylinder cylinder and mass ball bumps, thereby plays absorbed energy, the effect of passive energy dissipation.
Among the present invention, described cable wire is positioned on the vertical central axis of metallic cylinder, and the point of suspension of described mass ball also is positioned on the vertical central axis of metallic cylinder.
Among the present invention, described viscoelastic material layer is for being attached to the continuous annular viscoelastic material layer of the circle of one on the metallic cylinder inwall by adhesive.
Among the present invention, the material of described viscoelastic material layer is preferably rubber, and the material of described mass ball and metallic cylinder is preferably steel.
The vibration reaction that swing and the collision process of damper of the present invention by mass ball reduces the place structure solves the structural seismic anti-wind problems.Compared with prior art, characteristics of the present invention are: the external environment condition load hour relies on mass ball to swing and realizes damping effect; When the external environment condition load was larger, the mass ball amplitude of fluctuation increased, and bumped with the viscoelastic material of metallic cylinder inwall, with the absorption portion energy, realized the effect of power consumption in the viscoelastic material collision process.Because mass ball can swing at the space any direction, and all can bump with metal cylinder inwall viscoelastic material, therefore, this kind energy by collision quality pendulum damper utensil has Multi-attributes, and design and produce simple, low cost, it will be widely used in engineering structures antidetonation wind resistance technical field.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further details.
Fig. 1 is the vertical cross section of multidimensional energy by collision quality pendulum damper device of the present invention;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is that multidimensional energy by collision quality pendulum damper device of the present invention is installed in the frame construction schematic diagram;
Fig. 4 is that multidimensional energy by collision quality pendulum damper device of the present invention is installed in the structural representation on the power transmission tower.
Description of reference numerals
The 1st, damper; The 2nd, mass ball; The 3rd, cable wire; The 4th, metallic cylinder; The 5th, the viscoelastic material layer;
The 6th, pre-embedded steel slab; The 7th, frame construction; The 8th, weld seam; The 9th, power transmission tower tower head structure.
The specific embodiment
Such as Fig. 1, a kind of multidimensional energy by collision quality pendulum damper device 1 shown in Figure 2, this damper 1 is by mass ball 2, cable wire 3, metallic cylinder 4 and viscoelastic material layer 5 form, metallic cylinder 4 is opening inversion cylinder straight down, mass ball 2, cable wire 3, and viscoelastic material layer 5 all is positioned at metallic cylinder 4, wherein, mass ball 2 and cable wire 3 are positioned at the middle part of metallic cylinder 4, the upper end of cable wire 3 is fixedly connected on the tube end plate of metallic cylinder 4, the lower end of cable wire 3 is fixedly connected with mass ball 2, mass ball 2 is the suspention shape in 4 of metallic cylinder, viscoelastic material layer 5 sticking type are arranged on the inwall of metallic cylinder 4, viscoelastic material layer 5 is for being attached to the continuous annular viscoelastic material layer 5 of the circle of one on metallic cylinder 4 inwalls by adhesive, its material is rubber, the setting position of viscoelastic material layer 5 can be worked as mass ball 2 when 4 interior spaces of metallic cylinder any direction occur to swing and mass ball 2 bumps, thereby plays absorbed energy, the effect of passive energy dissipation.
Cable wire 3 is positioned on the vertical central axis of metallic cylinder 4, and the point of suspension of mass ball 2 also is positioned on the vertical central axis of metallic cylinder 4, and the material of mass ball 2 and metallic cylinder 4 is steel.
Multidimensional energy by collision quality pendulum damper device 1 in the present embodiment belongs to the passive control device category, utilizes suspended mass ball 2 externally under the load action behaviors realization damping effects such as swing and collision to occur, and has the advantages such as simple, economic, easy to implement.In the use procedure, multidimensional energy by collision quality pendulum damper device 1 is installed structurally, to drive mass ball 2 when system produces vibration under earthquake motion or wind action swings, the inertia force of mass ball 2 generation of vibrations reacts on structure itself, produced damping effect with the reverse movement of structure self, when external loads increases, mass ball 2 amplitudes of fluctuation strengthen, to bump with the viscoelastic material of arranging at metallic cylinder 4 inwalls, viscoelastic material is with the absorption portion energy in the collision process, and 1 this stage of damper is played the power consumption effect.Therefore, when the external environment condition load hour damper 1 play damping effect, and when the external environment condition load was larger, damper 1 played vibration damping and power consumption effect simultaneously.Because almost all bearing wind load at any time on the structure, and the rare generation of earthquake, so this damper 1 application on the structures under wind problem may be more important.
When the mass ball 2 of present embodiment and metallic cylinder 4 arrange, it should be noted that: the first, the hunting frequency of mass ball 2 should be as far as possible near natural frequency of structures; The second, mass ball 2 pendulum angles are controlled at about 5 °; The 3rd, viscoelastic material only can be arranged in the position that mass ball 2 and metallic cylinder 4 may bump for reducing cost; The 4th, need to be in the installation place when multidimensional energy by collision quality pendulum damper device 1 is installed structurally pre-cartridge plate so that damper 1 is fixing; The 5th, be according to calculative determination multidimensional energy by collision quality pendulum damper device 1 position and quantity structurally.
As the conversion of present embodiment, the material of viscoelastic material layer 5 also can adopt other viscoelastic materials, and such as elastic resin, leather etc., the material of mass ball 2 and metallic cylinder 4 also can adopt iron or copper or metal alloy.
Damper 1 scheme of installation of the present invention at first is welded on cable wire 3 one ends metallic cylinder 4 base plate centers as shown in Figure 3, Figure 4, the other end and mass ball 2 welding; Secondly, viscoelastic material is arranged on metallic cylinder 4 inwalls; At last, multidimensional energy by collision quality pendulum damper device 1 is installed on the frame construction 7 of power transmission tower tower head structure 9, specifically pass through the pre-buried pre-embedded steel slab 6 of welding manner in frame construction 7 first, then with damper 1 Integral welded on pre-embedded steel slab 6, damper 1 can arrange a plurality of, is symmetricly set on the both sides of power transmission tower tower head structure.
The above embodiment of the present invention is not the restriction to protection domain of the present invention; embodiments of the present invention are not limited to this; all this kind is according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned fundamental technics thought of the present invention prerequisite; modification, replacement or the change of other various ways that said structure of the present invention is made all should drop within protection scope of the present invention.

Claims (5)

1. multidimensional energy by collision quality pendulum damper device, it is characterized in that: this damper is by mass ball, cable wire, metallic cylinder and viscoelastic material layer form, described metallic cylinder is opening inversion cylinder straight down, described mass ball, cable wire, and the viscoelastic material layer all is positioned at described metallic cylinder, wherein, mass ball and cable wire are positioned at the middle part of metallic cylinder, the upper end of cable wire is fixedly connected on the tube end plate of metallic cylinder, the lower end of cable wire is fixedly connected with mass ball, mass ball is the suspention shape in the metallic cylinder cylinder, described viscoelastic material layer sticking type is arranged on the inwall of metallic cylinder, the setting position of viscoelastic material layer can be worked as mass ball when occuring to swing in the metallic cylinder cylinder and mass ball bumps, thereby plays absorbed energy, the effect of passive energy dissipation.
2. multidimensional energy by collision quality pendulum damper device according to claim 1, it is characterized in that: described cable wire is positioned on the vertical central axis of metallic cylinder, and the point of suspension of described mass ball also is positioned on the vertical central axis of metallic cylinder.
3. multidimensional energy by collision quality pendulum damper device according to claim 1 is characterized in that: described viscoelastic material layer is for being attached to the continuous annular viscoelastic material layer of the circle of one on the metallic cylinder inwall by adhesive.
4. multidimensional energy by collision quality pendulum damper device according to claim 3, it is characterized in that: the material of described viscoelastic material layer is rubber.
5. multidimensional energy by collision quality pendulum damper device according to claim 1, it is characterized in that: the material of described mass ball and metallic cylinder is steel.
CN201210421637.9A 2012-10-29 2012-10-29 A kind of multidimensional energy by collision quality pendulum damper Active CN102936926B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314191A (en) * 2014-10-10 2015-01-28 同济大学 Chain-type particle impact damper
CN103498884B (en) * 2013-10-08 2015-12-23 同济大学 Suspension type multi-unit impact damper
CN105649229A (en) * 2016-03-07 2016-06-08 山东大学 Multidimensional anti-torsion shock absorber
CN105745439A (en) * 2013-10-28 2016-07-06 维斯塔斯风力系统有限公司 Method of damping wind turbine tower oscillations
CN105926796A (en) * 2016-06-21 2016-09-07 山东大学 Piezoelectric damping intelligent tuning vibration reduction control device
CN107338885A (en) * 2017-08-24 2017-11-10 沈阳建筑大学 A kind of power transmission tower shock absorber and its preparation and application
CN107461066A (en) * 2017-08-24 2017-12-12 沈阳建筑大学 A kind of television tower vibration absorber and its preparation and application
CN109026527A (en) * 2018-07-26 2018-12-18 北京金风科创风电设备有限公司 The tower device of vibration-repressing device and wind power generating set
CN111456266A (en) * 2020-03-27 2020-07-28 天津大学 Semi-active pendulum type impact damper

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CN102444684A (en) * 2011-11-14 2012-05-09 江苏宇杰钢机有限公司 Vibration absorber for cycloid type wind driven generator tower
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103498884B (en) * 2013-10-08 2015-12-23 同济大学 Suspension type multi-unit impact damper
CN105745439A (en) * 2013-10-28 2016-07-06 维斯塔斯风力系统有限公司 Method of damping wind turbine tower oscillations
CN104314191A (en) * 2014-10-10 2015-01-28 同济大学 Chain-type particle impact damper
CN105649229A (en) * 2016-03-07 2016-06-08 山东大学 Multidimensional anti-torsion shock absorber
CN105926796A (en) * 2016-06-21 2016-09-07 山东大学 Piezoelectric damping intelligent tuning vibration reduction control device
CN105926796B (en) * 2016-06-21 2017-10-27 山东大学 Piezo-electric damping intelligent tuning damping control device
CN107338885A (en) * 2017-08-24 2017-11-10 沈阳建筑大学 A kind of power transmission tower shock absorber and its preparation and application
CN107461066A (en) * 2017-08-24 2017-12-12 沈阳建筑大学 A kind of television tower vibration absorber and its preparation and application
CN109026527A (en) * 2018-07-26 2018-12-18 北京金风科创风电设备有限公司 The tower device of vibration-repressing device and wind power generating set
CN111456266A (en) * 2020-03-27 2020-07-28 天津大学 Semi-active pendulum type impact damper
CN111456266B (en) * 2020-03-27 2021-05-28 天津大学 Semi-active pendulum type impact damper

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Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8

Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD.

Patentee after: Dalian University of Technology

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Patentee before: Electrical Power Research Institute of Guangdong Power Grid Corporation

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