CN203947611U - Adjustable liquid damper - Google Patents
Adjustable liquid damper Download PDFInfo
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- CN203947611U CN203947611U CN201420326851.0U CN201420326851U CN203947611U CN 203947611 U CN203947611 U CN 203947611U CN 201420326851 U CN201420326851 U CN 201420326851U CN 203947611 U CN203947611 U CN 203947611U
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- damper
- plate
- baffle plate
- damper cavity
- liquid
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Abstract
The utility model relates to a kind of adjustable liquid damper, comprises baffle plate, baffle plate adjusting device, damper cavity, resiliency supported, benzvalene form spherical rubber bearing, liquid and control valve.Damper cavity bottom surface is square or rectangle, vertical elastic is set in its bight and supports, and benzvalene form spherical rubber bearing is positioned on the diagonal intersection point of damper cavity base.Damper cavity central authorities arrange a vertical baffle plate by baffle plate adjusting device, and it is adjustable that baffle plate stretches into the interior degree of depth of damper cavity.Wind/and geological process under, damper cavity can produce swing in varying level direction by benzvalene form spherical rubber bearing, cause that liquid in damper cavity produces significantly to rock, and can weaken rapidly the vibration of basic structure.Meanwhile, the vibration characteristics adjustment that the rigidity that kind of liquid and the degree of depth, height of baffle plate and vertical elastic support can be different according to basic structure, can improve applicability and the oscillation damping and energy dissipating efficiency of damper greatly.
Description
Technical field
The utility model relates to a kind of adjustable liquid damper, by baffle plate and the bottom of adjustable-depth is set in damper inside cavity, benzvalene form spherical rubber bearing is set, and has optimized and improved the damping property of traditional Tuned Liquid.Belong to civil structure (comprising high-level structure, tall and slender structure and bridge construction etc.) vibration isolation field.
Background technology
In recent years, along with the further investigation of structural seismic mitigation, On A Retrofitted Damper is more and more paid close attention to.Wherein, Tuned Liquid (TLD) with its economical and convenient, effectiveness in vibration suppression is good and obtain applying comparatively widely; Tuning column damper (TLCD) is also paid attention to gradually because of its rather significant damping.By the motion of similar U-shaped liquid in pipe, TLCD system can produce appreciable damping.By adjusting throttle orifice, the liquid in system can adapt to the vibrations at different levels of basic structure effectively.TLCD system also has the flexibility on configuration and space, and after basic structure construction, its relevant parameter can more easily be adjusted.But existing liquid condenser respectively has the energy consumption effect of shortcoming: TLD slightly inadequate, and the making of TLCD is comparatively complicated, economical not, causes its application limited.Therefore, Tuned Liquid and tuning column damper are combined, it is had complementary advantages, and improve exploitation, form a kind of simple structure, the adjustable liquid damper that cheap, energy dissipation capacity good, fm capacity is strong just has great engineering significance.
Utility model content
The purpose of this utility model is to propose a kind of adjustable liquid damper, and this device is in conjunction with Tuned Liquid and tuning column damper advantage separately, and is improved, and forms a kind of adjustable liquid damper.This device can be installed on top of high-rise buildings or the larger position of structural vibration amplitude, can effectively weaken the vibratory response of structure, improves comfort level and the degree of safety of building.That this device is made is simple, vibration damping bandwidth, effectiveness in vibration suppression are desirable.
To achieve these goals, the utility model adopts following technical scheme.
A kind of adjustable liquid damper the utility model proposes, comprise baffle plate 1, baffle plate adjusting device 2, damper cavity 3, resiliency supported 4, benzvalene form spherical rubber bearing 5, liquid 6 and control valve 7, damper cavity 3 bottom surfaces are square or rectangle, top-slitting, baffle plate 1 inserts damper cavity 3 interior certain depths from described fluting position, insertion depth regulates by baffle plate adjusting device 2, angle, four of 3 bottoms of damper cavity is provided with resiliency supported 4, bottom diagonal mid point is provided with benzvalene form spherical rubber bearing 5, described damper cavity 3 is fixed in basic structure by resiliency supported 4 and benzvalene form spherical rubber bearing 5, resiliency supported 4 rigidity are adjustable, benzvalene form spherical rubber bearing 5 is by upper bearing plate 8, corrosion resistant plate 9, neoprene blocks 10, concave spherical surface steel basin 12, lower seat plate 13 and sphere tetrafluoro plate 11 form, upper bearing plate 8 bottoms are provided with corrosion resistant plate 9, sphere tetrafluoro plate 11 upper surfaces are plane structure, soffit is protruding spherical structure, concave spherical surface steel basin 12 upper surfaces are concave spherical surface structure, soffit is plane structure, corrosion resistant plate 9 bottoms are positioned at sphere tetrafluoro plate 11 plane structure tops, sphere tetrafluoro plate 11 is positioned at concave spherical surface steel basin 12 tops, the concave spherical surface structure of the protruding spherical structure of sphere tetrafluoro plate 11 and concave spherical surface steel basin 12 matches, between sphere tetrafluoro plate 11 and concave spherical surface steel basin 12, be provided with neoprene blocks 10, concave spherical surface steel basin 12 plane structures are positioned at lower seat plate 13 tops, the liquid 6 of the interior placement certain depth of damper cavity 3, liquid 6 degree of depth can be regulated by the control valve 7 that is positioned at damper cavity 3 bottoms.
In the utility model, described baffle plate 1 top has some fixing holes at a certain distance.
In the utility model, described baffle plate adjusting device 2 is comprised of screw, nut and fixture.
In the utility model, described liquid 6 is different stable liquid layering or mixing of one or more coefficient of viscosity.
Compared with prior art, of the present utility model somewhat following:
1. power consumption approach is various, and energy efficiency is high.Basic structure wind/and geological process under vibrate, by bottom pot rubber bearing and resiliency supported, drive damper cavity to vibrate in different horizontal directions and vertical direction, more traditional Tuned Liquid, in this damper, liquid can produce and rock by a larger margin in varying level direction, and energy efficiency is higher.The rigidity of damper cavity bight resiliency supported can the vibration characteristics at different directions regulate according to basic structure, has strengthened the tuning effect of damper;
2. can insert the degree of depth in damper cavity by controllable register, realize the object of the damping ratio that regulates Tuned Liquid, and there is wider damping ratio adjustable range;
3. in damper cavity, the degree of depth of liquid and the type of liquid can regulate by control valve according to the vibration characteristics of basic structure, by regulating, can more traditional Tuned Liquid have better effectiveness in vibration suppression;
4. self-activation excellent performance.
Accompanying drawing explanation
Fig. 1 is the front view of adjustable liquid damper device of the present utility model.
Fig. 2 is the sectional drawing of adjustable liquid damper device of the present utility model.
Fig. 3 is the sectional drawing of benzvalene form spherical rubber bearing of the present utility model.
Number in the figure: 1 is baffle plate, 2 is baffle plate adjusting device, 3 is damper cavity, 4 is bottom resiliency supported, 5 is benzvalene form spherical rubber bearing, and 6 is liquid, and 7 is control valve, 8 is upper bearing plate, 9 is corrosion resistant plate, and 10 is neoprene blocks, and 11 is sphere tetrafluoro plate, 12 is concave spherical surface steel basin, and 13 is lower seat plate.
The specific embodiment
Be below by reference to the accompanying drawings illustrated embodiment the present invention is further illustrated.
Embodiment 1: as shown in Figure 1, the utility model comprises baffle plate 1, baffle plate adjusting device 2, damper cavity 3, resiliency supported 4, benzvalene form spherical rubber bearing 5, liquid 6 and control valve 7.Wherein, damper cavity 3 closed upper parts, its specification should adopt according to actual conditions, and top board central authorities reserve space so that baffle plate 1 to be installed.Baffle plate 1 cross section is rectangle, and upper end perforate is at a certain distance inserted the adjusting of damper cavity 3 degree of depth to realize baffle plate adjusting device 2 to it, to adapt to the different vibration characteristics of different basic structures.Baffle plate adjusting device 2 is comprised of screw, nut and fixture.Damper cavity 3 adopts a kind of comparatively unique supporting form: the resiliency supported 4 by the pot rubber bearing 5 in base plate diagonal intersection point and bight provides a supporting role.Resiliency supported 4 had both guaranteed that damper cavity 3 can not bump with basic structure because Oscillation Amplitude is excessive and damage, and can make again damper cavity 3 produce vertical displacement when vibration, and its rigidity can be according to the vibration characteristics adjustment of basic structure.Benzvalene form spherical rubber bearing 5 is by upper bearing plate 8, neoprene blocks 10, concave spherical surface steel basin 12, lower seat plate 13 and sphere tetrafluoro plate 11 form, upper bearing plate 8 bottoms are provided with corrosion resistant plate 9, sphere tetrafluoro plate 11 upper surfaces are plane structure, soffit is protruding spherical structure, concave spherical surface steel basin 12 upper surfaces are concave spherical surface structure, soffit is plane structure, corrosion resistant plate 9 bottoms are positioned at sphere tetrafluoro plate 11 plane structure tops, sphere tetrafluoro plate 11 is positioned at concave spherical surface steel basin 12 tops, the concave spherical surface structure of the protruding spherical structure of sphere tetrafluoro plate 11 and concave spherical surface steel basin 12 matches, between sphere tetrafluoro plate 11 and concave spherical surface steel basin 12, be provided with neoprene blocks 10, concave spherical surface steel basin 12 plane structures are positioned at lower seat plate 13 tops.In sphere tetrafluoro plate 11 and concave spherical surface steel basin 12, fill the application life that neoprene blocks 10 can extend bearing, and produce compared with less friction can make bearing rotate time, guarantee the rotation requirement of whole device.The employing of benzvalene form spherical rubber bearing 5 can guarantee that damper all can produce good damping under the horizontal loading of different directions.
Operating principle of the present utility model is: when basic structure is subject to wind/and geological process while there is vibration, damper cavity 3 can vibrate along with the vibration of basic structure, thereby cause liquid 6 generations in damper cavity 3 significantly to be rocked, generation acts on the inertia force on damper cavity 3 walls, this inertia force can pass to basic structure by benzvalene form spherical rubber bearing 5, weakens the vibration of basic structure.Meanwhile, the swing of damper cavity 3 and liquid 6 rock and liquid 6 and the head loss producing at baffle plate 1 position can reduce the vibrational energy of basic structure greatly.Benzvalene form spherical rubber bearing 5 and resiliency supported 4 can make the liquid 6 in damper cavity 3 and damper cavity 3 produce significantly and swing in different directions, suppress basic structure in the vibration of different directions.Liquid 6 types in damper cavity 3 and the degree of depth can be adjusted and the rigidity of resiliency supported 4 also can be adjusted according to the vibration characteristics of basic structure according to actual needs by the control valve 7 of damper cavity 3 bottoms, have greatly improved the energy efficiency of damper.
Claims (3)
1. an adjustable liquid damper, comprise: baffle plate (1), baffle plate adjusting device (2), damper cavity (3), resiliency supported (4), benzvalene form spherical rubber bearing (5), liquid (6) and control valve (7), it is characterized in that: damper cavity (3) bottom surface is square or rectangle, top-slitting, baffle plate (1) inserts the interior certain depth of damper cavity (3) from described fluting position, insertion depth regulates by baffle plate adjusting device (2), four angles, damper cavity (3) bottom are provided with resiliency supported (4), bottom diagonal mid point is provided with benzvalene form spherical rubber bearing (5), described damper cavity (3) is fixed in basic structure by resiliency supported (4) and benzvalene form spherical rubber bearing (5), resiliency supported (4) rigidity is adjustable, benzvalene form spherical rubber bearing (5) is by upper bearing plate (8), corrosion resistant plate (9), neoprene blocks (10), concave spherical surface steel basin (12), lower seat plate (13) and sphere tetrafluoro plate (11) form, upper bearing plate (8) bottom is provided with corrosion resistant plate (9), sphere tetrafluoro plate (11) upper surface is plane structure, soffit is protruding spherical structure, concave spherical surface steel basin (12) upper surface is concave spherical surface structure, soffit is plane structure, corrosion resistant plate (9) bottom is positioned at sphere tetrafluoro plate (11) plane structure top, sphere tetrafluoro plate (11) is positioned at concave spherical surface steel basin (12) top, the concave spherical surface structure of the protruding spherical structure of sphere tetrafluoro plate (11) and concave spherical surface steel basin (12) matches, between sphere tetrafluoro plate (11) and concave spherical surface steel basin (12), be provided with neoprene blocks (10), concave spherical surface steel basin (12) plane structure is positioned at lower seat plate (13) top, in damper cavity (3), place the liquid (6) of certain depth, liquid (6) degree of depth can be regulated by the control valve (7) that is positioned at damper cavity (3) bottom.
2. adjustable liquid damper according to claim 1, is characterized in that: described baffle plate (1) top has some fixing holes at a certain distance.
3. adjustable liquid damper according to claim 1, is characterized in that: described baffle plate adjusting device (2) is by screw, and nut and fixture form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420326851.0U CN203947611U (en) | 2014-06-19 | 2014-06-19 | Adjustable liquid damper |
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CN201420326851.0U CN203947611U (en) | 2014-06-19 | 2014-06-19 | Adjustable liquid damper |
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CN201420326851.0U Expired - Fee Related CN203947611U (en) | 2014-06-19 | 2014-06-19 | Adjustable liquid damper |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104652647A (en) * | 2015-03-19 | 2015-05-27 | 河南城建学院 | Tuned mass damper |
CN108611969A (en) * | 2018-06-07 | 2018-10-02 | 重庆工业职业技术学院 | A kind of bridge pad with damping isolation function |
CN109139768A (en) * | 2018-07-23 | 2019-01-04 | 大连理工大学 | A kind of spherical Tuned Liquid reducing extra-high voltage composite bushing dynamic response |
CN109779369A (en) * | 2019-02-28 | 2019-05-21 | 东南大学 | A kind of three-dimensional six degree of freedom is every damping device and its working method |
CN111945578A (en) * | 2020-09-18 | 2020-11-17 | 大连理工大学 | Water tank damper for controlling buffeting response in bridge construction period |
CN113266194A (en) * | 2021-06-24 | 2021-08-17 | 南方电网科学研究院有限责任公司 | Semi-active vibration reduction control device for wind vibration of power transmission tower |
CN113323481A (en) * | 2021-05-31 | 2021-08-31 | 重庆大学 | Column base node with additional replaceable U-shaped damper after earthquake |
-
2014
- 2014-06-19 CN CN201420326851.0U patent/CN203947611U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104652647A (en) * | 2015-03-19 | 2015-05-27 | 河南城建学院 | Tuned mass damper |
CN108611969A (en) * | 2018-06-07 | 2018-10-02 | 重庆工业职业技术学院 | A kind of bridge pad with damping isolation function |
CN108611969B (en) * | 2018-06-07 | 2019-10-15 | 重庆工业职业技术学院 | A kind of bridge pad with damping isolation function |
CN109139768A (en) * | 2018-07-23 | 2019-01-04 | 大连理工大学 | A kind of spherical Tuned Liquid reducing extra-high voltage composite bushing dynamic response |
CN109779369A (en) * | 2019-02-28 | 2019-05-21 | 东南大学 | A kind of three-dimensional six degree of freedom is every damping device and its working method |
CN111945578A (en) * | 2020-09-18 | 2020-11-17 | 大连理工大学 | Water tank damper for controlling buffeting response in bridge construction period |
CN113323481A (en) * | 2021-05-31 | 2021-08-31 | 重庆大学 | Column base node with additional replaceable U-shaped damper after earthquake |
CN113266194A (en) * | 2021-06-24 | 2021-08-17 | 南方电网科学研究院有限责任公司 | Semi-active vibration reduction control device for wind vibration of power transmission tower |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170619 |
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CF01 | Termination of patent right due to non-payment of annual fee |