CN205421587U - Anti torsional damper of multidimension - Google Patents

Anti torsional damper of multidimension Download PDF

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Publication number
CN205421587U
CN205421587U CN201620171790.4U CN201620171790U CN205421587U CN 205421587 U CN205421587 U CN 205421587U CN 201620171790 U CN201620171790 U CN 201620171790U CN 205421587 U CN205421587 U CN 205421587U
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CN
China
Prior art keywords
steel cylinder
torsion
vibroshock
rigid
outside
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Expired - Fee Related
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CN201620171790.4U
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Chinese (zh)
Inventor
田利
盖霞
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Shandong University
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Shandong University
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  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The utility model discloses an anti torsional damper of multidimension, together just can inside steel cylinder of pivoted of each other and outside steel cylinder including the suit, the perpendicular decurrent rigid hanger of top connection one in the inside steel cylinder box, one quality ball is connected to the bottom of rigid hanger, and the rigid connection rod that the one perpendicularly upwards just passed outside steel cylinder is connected at inside steel cylinder box top, and rigid connection rod links to each other with the upper portion flange board that the one level set up, links to each other through elastic element between rigid connection rod and outside steel cylinder, and the bottom of outside steel cylinder is continuous with lower part flange board, and is in outside steel cylinder bottom and the position between top and the inside steel cylinder all place the several clean shot.

Description

A kind of multidimensional anti-torsion vibroshock
Technical field
This utility model relates to a kind of multidimensional anti-torsion vibroshock, mainly for the engineering structure that some is complicated or important, and a kind of multidimensional anti-torsion vibroshock of high-rise buildings structure.
Background technology
Along with progress and construction material and the development of construction technology of science and technology, architecture structure form develops towards diversified direction.The building structure build of rule is simple, and quality and Stiffness Distribution ratio are more uniform, and stress performance is clear and definite, therefore easily considers when design is analyzed that the reaction under it is at load action is distributed with internal force.Labyrinth is due to the complexity of its version, stature dynamic-load response under load (particularly at high wind or violent earthquake) acts on is strong, how to reduce the dynamic response of building, control the damage to building of the unfavorable load, make building have the safety basic demand with comfortableness attractive in appearance concurrently, become domestic and international research worker focus of attention.
From the point of view of structure stress characteristic, wind load and geological process play an important role in Tall Buildings analysis and design, the most traditional antidetonation wind force proofing design dissipates often through the elastoplasticity modification of some components the kinetic energy of the structural vibration caused by wind load and seismic stimulation, thus prevent collapsing of building, but structural elements can be caused damage to a certain extent by this elastoplasticity power consumption.In recent years, structural vibration control technology development is ripe, many shock insulations are applied in the middle of building structure with energy-dissipating device, although structure reaction under the dynamic action such as wind and earthquake and damage can be alleviated, but the durability of device and corrosion resistance are common problems in current energy-dissipating device.
Additionally, substantial amounts of research shows: under wind load and geological process, the destruction of many buildings is owing to the torque failure of component causes.The building that version is complicated, Stiffness Distribution is the most asymmetric, and it is under high wind severe earthquake action, show obvious lateral-torsion couple effect, easily induction causes construction torsion brittle break, and then causes structure Path of Force Transfer to be destroyed, and causes integrally-built destruction to collapse.Current controlling construction torsion mainly by adjusting structure and arrange and increase the torsional rigidity realization of structure, this certainly will increase the cross section of component, relatively costly, and increases the effect of wind load and earthquake, there is certain potential safety hazard.
Utility model content
This utility model purpose is to provide a kind of multidimensional anti-torsion vibroshock, it is intended to reduces the building structure (especially complexity and high-rise buildings structure etc.) torsion under wind load and geological process and dynamic respons, reaches the effect of passive energy dissipation.
For achieving the above object, this utility model employing following technical proposals:
A kind of multidimensional anti-torsion vibroshock, including the inside steel cylinder being set in together and can rotate mutually and outside steel cylinder, top in described internal steel cylinder connects a rigid hanger vertically downward, the bottom of rigid hanger connects a mass ball, internal steel cylinder casing top connects one vertically upward and through the rigid connecting rod of outside steel cylinder, rigid connecting rod and a horizontally disposed upper flange plate are connected, it is connected by flexible member between rigid connecting rod with outside steel cylinder, the bottom of outside steel cylinder is connected with lower flange plate, and the position bottom described outside steel cylinder and between top and internal steel cylinder all places several hollow ball.
Further, threaded engagement is passed through between described inside steel cylinder and outside steel cylinder.
Further, described outside steel cylinder inwall has screw thread, and by making two casings link together with the thread contact on internal steel drum outer wall, two steel cylinders are all connected with flanged plate.
Further, described mass ball and rigid hanger are arranged in the middle part of internal steel cylinder, and rigid hanger upper end is connected with the universal hinge being fixed on steel cylinder upper interior, and lower end is fixing with mass ball to be connected, swung in steel cylinder by mass ball, and collide energy consumption with sidewall.
Further, described mass ball is outside attaches one layer of viscoelastic material layer, plays absorption energy, the effect of passive energy dissipation.
Further, described flanged plate up and down all there is multiple bolt hole, is distributed symmetrically and evenly, it is simple to be connected with control structure.
Further, described flexible member is spring, and spring material is shape memory alloy material, it is provided that stable damping force, reaches the effect of power consumption.
Further, described thin spherical joint is made up of memorial alloy, has high resiliency, deforms big recoverable feature.
Further, the center of described rigid hanger and mass ball is respectively positioned on the vertical centrage of steel cylinder, and described mass ball can swing along any direction.
Further, the material of described viscoelastic material layer is rubber, silica gel, latex or epoxy resin.
Further, the frequency of described Suspended mass pendulum is controlled by the length of the quality of mass ball with rigid hanger.
Further, the screw thread between described inside and outside steel cylinder needs uniform application lubricating oil, reducing friction resistance, it is ensured that the rotation of internal steel cylinder.
During use, this utility model should be fixed on structure easily twist destroy position.It is attached with structure or component by flanged plate, when structure twists, internal steel cylinder passes through the screw thread of contact in outside steel cylinder inner rotation, extruding top or the thin-walled memorial alloy hollow ball of bottom, the self-resetting capability of hollow ball can the torsion of resisting structure, shape memory alloy energy-consuming springs elongates or shortens simultaneously, it is provided that stable damping force, plays the effect of dissipation energy.The lower end quality of connection ball of rigid hanger in internal steel cylinder, universal hinge allows rigid rod to move along any direction, rigid hanger and mass constitute a Suspended mass pendulum, by swing and the collision of mass ball, reduce the vibratory response on structure level direction, place, by the quality of the regulation length of rigid hanger, the rigidity of spring or mass, the effect reaching passive energy dissipation can ensure that the frequency of vibroshock keeps consistent in the natural frequency of structure, reach optimum effectiveness in vibration suppression.
The beneficial effects of the utility model are:
The torsion of structure can effectively be controlled by this vibration absorber, largely reduce and reverse the damage that structure is caused, in addition, due to the existence of universal hinge, the internal steel cylinder of device ensure that swing ball horizontal direction arbitrarily swings, the vibration of building horizontal direction can be controlled, reduce structure horizontal direction dynamic respons under wind load or geological process, play the effect of frequency adjusting damping, it is ensured that the safety of building under high wind severe earthquake action.The collision of the feature of marmem high resiliency high-damping and mass ball and barrel in this vibration absorber, all can dissipation energy effectively, improve vibration damping and reverse the effect controlled.This vibration absorber simple structure, easy to process, durability corrosion resistance is strong, cost performance is high, be easily installed.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view schematic diagram of a kind of multidimensional anti-torsion vibroshock.
Fig. 2 is the A-A profile schematic diagram of a kind of multidimensional anti-torsion vibroshock.
In figure: 1 universal hinge, 2 rigid hangers, 3 viscoelastic material layer, 4 mass balls, 5 internal steel cylinders, 6 outside steel cylinders, 7 thin-walled memorial alloy hollow balls, 8 shape memory alloy energy-consuming springs, 9 screw threads, 10 upper flange plates, 11 lower flange plates, 12 bolts hole, 13 rigid connecting rods.
Detailed description of the invention
Embodiment of the present utility model is described in detail below in conjunction with technical scheme and accompanying drawing.
A kind of multidimensional anti-torsion vibroshock such as Fig. 1 that the utility model proposes, shown in Fig. 2, this device is to be collectively constituted by Suspended mass pendulum and shape memory alloy hollow ball, compared with traditional vibration control apparatus, this utility model is on the basis of reducing structural dynamic response, torsion to structure control effectively, and reduces to a great extent and reverses the damage causing structure, ensures the safety of building under high wind severe earthquake action simultaneously.Additionally, the marmem used in this utility model is a kind of intellectual material with special new function integrating perception with driving.Compared with other materials, it has shape memory effect and Efficient Damping performance, it is possible to overcome the feature of traditional material durability corrosion-resistant, uses the cycle long.
Concrete structure of the present utility model is as follows:
Multidimensional anti-torsion vibroshock, including outside steel cylinder 6 and internal steel cylinder 5, outside steel cylinder 6 is contacted with internal steel cylinder by inner thread 9, should brush appropriate lubricating oil, it is ensured that the rotation of inner cylinder is unaffected at screw thread.Internal steel cylinder 5 is connected with upper flange plate 10 by rigid connecting rod, and rigid connecting rod 13 is welded on upper flange plate and internal steel cylinder 5, is uniformly arranged 4 shape memory alloy energy-consuming springs 8 with outside steel cylinder gap.Lower flange plate 11 is welded on bottom outside steel cylinder 6.Arranging horizontal direction Suspended mass pendulum, Suspended mass pendulum in internal steel cylinder 5, by 1, rigid hanger 2 of a universal hinge, mass ball 4 forms;
The most universal hinge 1 is welded in internal steel cylinder top center, the upper end of rigid hanger 2 is connected by pin with universal hinge, lower end is by being welded and fixed mass ball 4, its hunting frequency is as close possible to the basic frequency of controlled structure, viscoelastic material layer 3 is attached outside mass ball 4, viscoelastic material is arranged only at mass ball surface, to reduce cost.Rigid hanger 2 and mass ball 4 can swing along any direction, it is possible to collide with internal steel cylinder sidewall, reach the effect of frequency adjusting damping.
Thin-walled memorial alloy hollow ball 7 is evenly distributed between inside and outside steel cylinder, plays the effect that power consumption resets.
Upper flange plate 10 and the most symmetrical 8 bolts hole on lower flange plate 11, it is simple to be connected with control structure.
The torsion of structure can effectively be controlled by this vibration absorber, largely reduce and reverse the damage that structure is caused, in addition, device can reduce structure horizontal direction dynamic respons under wind load or geological process, it is ensured that the safety of building under high wind severe earthquake action.The collision of the feature of marmem high resiliency high-damping and mass ball and barrel in this vibration absorber, all can dissipation energy effectively, improve vibration damping and reverse the effect controlled.This vibration absorber simple structure, easy to process, durability corrosion resistance is strong, cost performance is high, be easily installed.
Concrete using method is as follows:
During use, this utility model should be fixed on structure easily twist destroy position.It is attached with structure or component by flanged plate, when structure twists, internal steel cylinder passes through the screw thread of contact in outside steel cylinder inner rotation, extruding top or the thin-walled memorial alloy hollow ball of bottom, the self-resetting capability of hollow ball can the torsion of resisting structure, shape memory alloy energy-consuming springs elongates or shortens simultaneously, it is provided that stable damping force, plays the effect of dissipation energy.The lower end quality of connection ball of rigid hanger in internal steel cylinder, universal hinge allows rigid hanger to move along any direction, rigid hanger and mass constitute a Suspended mass pendulum, by swing and the collision of mass ball, reduce the vibratory response on structure level direction, place, by the quality of the regulation length of rigid hanger, the rigidity of spring or mass, the effect reaching passive energy dissipation can ensure that the frequency of vibroshock keeps consistent in the natural frequency of structure, reach optimum effectiveness in vibration suppression.
The embodiment above of this patent is not the restriction to this utility model protection domain; the embodiment of this patent is not limited to this; all this kind is according to the foregoing of this patent; ordinary technical knowledge and customary means according to this area; without departing under this patent above-mentioned basic fundamental thought premise; to the amendment of other various ways that this patent said structure is made, replace or change, all should fall within the protection domain of this patent.

Claims (9)

1. a multidimensional anti-torsion vibroshock, it is characterized in that, including the inside steel cylinder being set in together and can rotate mutually and outside steel cylinder, top in described internal steel cylinder connects a rigid hanger vertically downward, the bottom of rigid hanger connects a mass ball, internal steel cylinder casing top connects one vertically upward and through the rigid connecting rod of outside steel cylinder, rigid connecting rod and a horizontally disposed upper flange plate are connected, it is connected by flexible member between rigid connecting rod with outside steel cylinder, the bottom of outside steel cylinder is connected with lower flange plate, and the position bottom described outside steel cylinder and between top and internal steel cylinder all places several hollow ball.
2. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterised in that realize mutually rotating by threaded engagement between described inside steel cylinder and outside steel cylinder.
3. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterized in that, described mass ball and rigid hanger are arranged in the middle part of internal steel cylinder, rigid hanger upper end is connected with the universal hinge being fixed on above internal steel cylinder, lower end is fixing with mass ball to be connected, and the center of rigid hanger and mass ball is respectively positioned on the vertical centrage of steel cylinder, mass ball can swing along any direction, and collides energy consumption with sidewall.
4. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterised in that described mass ball is outside attaches one layer of viscoelastic material layer.
5. multidimensional anti-torsion vibroshock as claimed in claim 4, it is characterised in that the material of described viscoelastic material layer is rubber, silica gel, latex or epoxy resin.
6. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterised in that described flexible member is spring, and spring material is shape memory alloy material.
7. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterised in that described hollow ball is made up of memorial alloy.
8. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterised in that the screw thread uniform application between described inside and outside steel cylinder is for the lubricating oil of reducing friction resistance, it is ensured that the rotation of internal steel cylinder.
9. multidimensional anti-torsion vibroshock as claimed in claim 1, it is characterised in that described upper and lower flanged plate is provided with the bolt hole being distributed symmetrically and evenly, for being connected with control structure.
CN201620171790.4U 2016-03-07 2016-03-07 Anti torsional damper of multidimension Expired - Fee Related CN205421587U (en)

Priority Applications (1)

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CN201620171790.4U CN205421587U (en) 2016-03-07 2016-03-07 Anti torsional damper of multidimension

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649229A (en) * 2016-03-07 2016-06-08 山东大学 Multidimensional anti-torsion shock absorber
CN110700429A (en) * 2019-09-19 2020-01-17 西安工程大学 SMA composite universal suspension damping device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649229A (en) * 2016-03-07 2016-06-08 山东大学 Multidimensional anti-torsion shock absorber
CN110700429A (en) * 2019-09-19 2020-01-17 西安工程大学 SMA composite universal suspension damping device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160803

Termination date: 20180307