CN203891246U - Bidirectional frequency modulation and collision energy consumption vibration damper - Google Patents
Bidirectional frequency modulation and collision energy consumption vibration damper Download PDFInfo
- Publication number
- CN203891246U CN203891246U CN201420316993.9U CN201420316993U CN203891246U CN 203891246 U CN203891246 U CN 203891246U CN 201420316993 U CN201420316993 U CN 201420316993U CN 203891246 U CN203891246 U CN 203891246U
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Abstract
The utility model discloses a bidirectional frequency modulation and collision energy consumption vibration damper. The bidirectional frequency modulation and collision energy consumption vibration damper comprises a square metal box. A transverse guide rail is arranged below the square metal box, a trolley which can slide transversely is arranged on the transverse guide rail, and the front end and the back end of the trolley are connected with the side wall of the square metal box through a spring and a viscous damper. The trolley is internally provided with a metal suspender. The upper end of the metal suspender is connected with a one-way hinge fixed to the upper portion inside the trolley, and the other end of the metal suspender is connected with a mass ball which can longitudinally swing in the trolley and can collide with the side wall. The bidirectional frequency modulation and collision energy consumption vibration damper is a vibration damping control device for a building structure, is capable of effectively reducing the vibration reaction of the structure under the action of the horizontal load (wind or earthquake or others), and has the advantages of being simple in structure, convenient to machine, easy and convenient to install, high in cost performance and the like.
Description
Technical field
The utility model relates to building construction vibration control technology field, specifically refers to a kind of two way frequency modulation energy by collision vibration absorber.
Background technology
In recent years, depth of building constantly increases, and form of structure is increasingly sophisticated.Structural vibration control becomes the study hotspot in earthquake resistant engineering wind resistance field gradually.
Vibration control technology can be divided into five classes such as Passive Control, ACTIVE CONTROL, half ACTIVE CONTROL, Based Intelligent Control and mixing control at present.Passive Control technology such as tuned mass damper, Suspended mass pendulum etc. because its principle is simple, without extra power, cheap, effectiveness in vibration suppression significantly at home and abroad field of civil engineering obtained application widely.Yet tuned mass damper and Suspended mass pendulum are linear bump leveller, but the frequency band that shakes is often narrower, and after main structure vibration reduces, the energy of dynamic vibration absorber can be passed main structure back, reduces effectiveness in vibration suppression.Research shows, introduces nonlinear spring or collision in bump leveller, and the vibrational energy of structure is converted into heat, can effectively reduce structural amplitude.
A kind of mixed type bi-directional adjustable vibration absorber is disclosed in patent [201320384022.3], this patent combines two kinds of Passive Control technology tuned mass dampers and Suspended mass pendulum, thereby by regulating both frequencies to realize the vibration isolation to building horizontal bidirectional.In this patent, mass is laminated steel plate, complex structure, and construction inconvenience, and do not take explicitly into account the benefit of collision to effectiveness in vibration suppression.
Based on above reason, tuned mass damper, Suspended mass pendulum and collision three are combined, by improvement, develop and realize to have complementary advantages, proposed that a kind of energy consumption effect is obvious, with low cost, the two way frequency modulation energy by collision vibration absorber of easy construction
Utility model content
The utility model object is for reducing the vibratory response of tall and slender structure under horizontal loading (wind, earthquake) effect, a kind of two way frequency modulation energy by collision vibration absorber being provided.
For achieving the above object, the utility model adopts following technical proposals:
Two way frequency modulation energy by collision vibration absorber, comprise a metal square chest, described metal square chest bottom arranges cross slide way, cross slide way is provided with the dolly that can laterally slide, dolly rear and front end is connected with metal square chest sidewall with viscous damper by spring, in the inside of dolly, be provided with a metal suspension rod, described metal suspension rod upper end is connected with the unidirectional hinge that is fixed on dolly upper interior, and the other end of metal suspension rod connects one at the inner longitudinal oscillation of dolly and the mass ball that can bump with sidewall.
The outside of described mass ball is provided with one deck and is attached to its surperficial viscoelastic material layer, thereby plays the effect that absorbs energy and passive energy dissipation.
Described viscoelastic material can only be arranged in the position that mass ball and dolly sidewall bump.
Described dolly bottom is provided with the wheel being stuck on guide rail.
Described dolly, mass ball, spring and viscous damper form tuned mass damper, and its frequency regulates by spring rate.
Described tuned mass damper, its intrinsic frequency with by control structure need controlling party to principal mode frequency consistent.
Described mass ball and metal suspension rod form Suspended mass pendulum, and its frequency is by regulating the length of metal suspension rod to control.
Described Suspended mass pendulum, its intrinsic frequency with by control structure need controlling party to principal mode frequency consistent.
Described metal suspension rod and the center of mass ball are all positioned on the vertical center line of metal square chest, and described mass ball only can swing along the longitudinal.
The rear and front end of described dolly is connected on metal square chest sidewall by four springs and two viscous dampers respectively, and viscous damper is positioned at the centre position of sustained height spring.
The utility model should be fixed on tall and slender structure top, the upper end of unidirectional hinge is connected with little roof by welding, the lower end quality of connection ball of metal suspension rod, unidirectional hinge only allows metal suspension rod to move along the longitudinal, metal suspension rod and mass have formed a Suspended mass pendulum longitudinally, by swing and the collision of mass ball, reach the effect of passive energy dissipation; Dolly and internal soundness ball thereof, spring, viscous damper have formed a horizontal tuned mass damper.Mass ball can be simultaneously for horizontal tuned mass damper and longitudinally Suspended mass pendulum quality is provided.Can be by regulating length, the rigidity of spring or the quality of mass of metal suspension rod to guarantee that the frequency of vibration absorber and the principal mode frequency of structure are consistent, and reach optimum effectiveness in vibration suppression.
The beneficial effects of the utility model are: this vibration absorber can reduce the lower direction vibration reaction of structure level load (wind or earthquake) effect; The frequency of this vibration absorber both direction is all adjustable, has stronger compliance; The collision of mass ball and dolly inwall dissipation energy better in this vibration absorber, improves effectiveness in vibration suppression; This vibration absorber simple structure, easy to process, cost performance is high, be convenient to install.
Accompanying drawing explanation
Fig. 1 is two way frequency modulation energy by collision vibration absorber front view.
Fig. 2 is two way frequency modulation energy by collision vibration absorber A-A sectional drawing.
In figure: 1 unidirectional hinge, 2 metal suspension rods, 3 viscoelastic material layer, 4 mass balls, 5 dollies, 6 wheels, 7 metal square chests, 8 viscous dampers, 9 springs, 10 guide rails.
The specific embodiment
Below in conjunction with technical scheme and accompanying drawing, describe embodiment of the present utility model in detail.
The two way frequency modulation energy by collision vibration absorber the utility model proposes is as Fig. 1, shown in Fig. 2, this device longitudinal damping device is a Suspended mass pendulum, comprise a metal square chest 7, described metal square chest 7 bottoms arrange cross slide way 10, cross slide way 10 is provided with the dolly 5 that can laterally slide, dolly 5 rear and front ends are connected with metal square chest sidewall with viscous damper 8 by spring, in the inside of dolly 5, be provided with a metal suspension rod 2, described metal suspension rod 2 upper ends are connected with the unidirectional hinge 1 that is fixed on dolly 5 upper interior, the other end of metal suspension rod 2 connects one at the inner longitudinal oscillation of dolly 5 and the mass ball 4 that can bump with sidewall.The outside of mass ball 4 is provided with one deck and is attached to its surperficial viscoelastic material layer 3, thereby plays the effect that absorbs energy and passive energy dissipation.Viscoelastic material layer 3 can only be arranged in the position that mass ball and dolly sidewall bump.
Dolly 5 bottoms are provided with the wheel 6 being stuck on guide rail.
Dolly 5, mass ball 4, spring 9 and viscous damper 8 form tuned mass damper, and its frequency regulates by spring rate.Tuned mass damper, its intrinsic frequency with by control structure need controlling party to principal mode frequency consistent.
Mass ball 4 and metal suspension rod 2 form Suspended mass pendulum, and its frequency is controlled by the length of metal suspension rod.The intrinsic frequency of Suspended mass pendulum with by control structure need controlling party to principal mode frequency consistent.
The center of metal suspension rod 2 and mass ball 4 is all positioned on the vertical center line of metal square chest, and described mass ball only can swing along the longitudinal.
The rear and front end of dolly is connected on metal square chest sidewall by four springs and two viscous dampers respectively, and viscous damper is positioned at the centre position of sustained height spring.
Lateral vibration absorbing device, tuned mass damper is by eight springs 9 and four viscous dampers 8, cross slide way 10 forms with mass ball in the dolly 5 of four wheels 6 and car 4.
Metal square chest 7 hangs or is installed on the top of structure, and the dolly 5 in metal square chest 7 is placed on cross slide way 10, by spring 9, is connected with canister 7 inwalls with viscous damper 8.The interior setting of dolly 5 is Suspended mass pendulum longitudinally.Unidirectional hinge is welded in dolly 5 top center, and the upper end of metal suspension rod is connected by pin with unidirectional hinge 1, and lower end is connected and fixed mass ball by welding or bolt, and attaches viscoelastic material layer 3 in mass ball 4 outsides.Due to the existence of unidirectional hinge 1, metal suspension rod 2 and mass ball 4 can only longitudinally swing, and can bump with dolly 5 sidewalls, reach the effect of passive energy dissipation.
In the present embodiment, installation site and the quantity of two way frequency modulation energy by collision vibration absorber should be determined according to the concrete condition of structure, to reach best effectiveness in vibration suppression.
Claims (8)
1. two way frequency modulation energy by collision vibration absorber, it is characterized in that, comprise a metal square chest, described metal square chest bottom arranges cross slide way, cross slide way is provided with the dolly that can laterally slide, dolly rear and front end is connected with metal square chest sidewall with viscous damper by spring, in the inside of dolly, be provided with a metal suspension rod, described metal suspension rod upper end is connected with the unidirectional hinge that is fixed on dolly upper interior, and the other end of metal suspension rod connects one at the inner longitudinal oscillation of dolly and the mass ball that can bump with sidewall.
2. two way frequency modulation energy by collision vibration absorber as claimed in claim 1, is characterized in that, the outside of described mass ball is provided with one deck and is attached to its surperficial viscoelastic material layer.
3. two way frequency modulation energy by collision vibration absorber as claimed in claim 2, is characterized in that, described viscoelastic material is only arranged in the position that mass ball and dolly sidewall bump.
4. two way frequency modulation energy by collision vibration absorber as claimed in claim 1, is characterized in that, described dolly bottom is provided with the wheel being stuck on guide rail.
5. two way frequency modulation energy by collision vibration absorber as claimed in claim 1, it is characterized in that, described dolly, mass ball, spring and viscous damper form tuned mass damper, tuned mass damper, its intrinsic frequency with by control structure need controlling party to principal mode frequency consistent.
6. two way frequency modulation energy by collision vibration absorber as claimed in claim 1, is characterized in that, described mass ball and metal suspension rod form Suspended mass pendulum, the intrinsic frequency of Suspended mass pendulum with by control structure need controlling party to principal mode frequency consistent.
7. two way frequency modulation energy by collision vibration absorber as claimed in claim 1, is characterized in that, described metal suspension rod and the center of mass ball are all positioned on the vertical center line of metal square chest, and described mass ball only swings along the longitudinal.
8. two way frequency modulation energy by collision vibration absorber as claimed in claim 1, it is characterized in that, the rear and front end of described dolly is connected on metal square chest sidewall by four springs and two viscous dampers respectively, and viscous damper is positioned at the centre position of sustained height spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316993.9U CN203891246U (en) | 2014-06-13 | 2014-06-13 | Bidirectional frequency modulation and collision energy consumption vibration damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316993.9U CN203891246U (en) | 2014-06-13 | 2014-06-13 | Bidirectional frequency modulation and collision energy consumption vibration damper |
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| CN203891246U true CN203891246U (en) | 2014-10-22 |
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| CN201420316993.9U Expired - Fee Related CN203891246U (en) | 2014-06-13 | 2014-06-13 | Bidirectional frequency modulation and collision energy consumption vibration damper |
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| CN104594520A (en) * | 2015-01-13 | 2015-05-06 | 山东大学 | Multi-dimensional adjustable collision energy dissipation device |
| CN104612280A (en) * | 2015-02-06 | 2015-05-13 | 山东大学 | Composite-type energy dissipation and vibration reduction control device |
| CN104763070A (en) * | 2015-04-14 | 2015-07-08 | 山东大学 | Suspension type multidimensional impact vibration reduction damper |
| CN105649229A (en) * | 2016-03-07 | 2016-06-08 | 山东大学 | Multidimensional anti-torsion shock absorber |
| CN106245515A (en) * | 2016-09-28 | 2016-12-21 | 湖南科技大学 | Quality moving type bridge torsional vibration damper |
| CN106320558A (en) * | 2016-10-26 | 2017-01-11 | 山东大学 | Mixed type multi-dimensional and multi-level energy dissipation device |
| CN106337594A (en) * | 2016-11-10 | 2017-01-18 | 同济大学 | The multi-stage spring particle damper |
| CN106758765A (en) * | 2016-11-09 | 2017-05-31 | 东南大学 | A kind of multidimensional tuned mass damper |
| CN106835961A (en) * | 2017-03-23 | 2017-06-13 | 北京工业大学 | A kind of air spring composite three-dimensional shock isolating pedestal |
| CN107227806A (en) * | 2017-08-03 | 2017-10-03 | 山东大学 | Bidirectional collision puts damping control device |
| CN107355022A (en) * | 2017-07-18 | 2017-11-17 | 大连理工大学 | A kind of two-way suspension-mass pendulum vibration insulating system |
| CN107476478A (en) * | 2017-06-28 | 2017-12-15 | 河南城建学院 | A kind of distributed three-dimensional damping thin wall hollow floor |
| CN108049625A (en) * | 2017-12-25 | 2018-05-18 | 浙江大学 | A kind of anti-wind shake hanging basket of high-rise outer wall decoration construction for being capable of self-balancing |
| CN109811922A (en) * | 2019-01-21 | 2019-05-28 | 北京工业大学 | A kind of dual tuned particle vibration insulating system of pipeline class formation |
| CN110206055A (en) * | 2019-06-12 | 2019-09-06 | 吴东波 | A kind of structure foundation structure for coping with seismic wave resonance |
| CN110422299A (en) * | 2019-07-02 | 2019-11-08 | 哈尔滨工程大学 | A kind of collision mass damper PTMD device of hull global vibration control |
| CN110528949A (en) * | 2019-08-12 | 2019-12-03 | 同济大学 | A kind of multiple energy consumption collision type tuned mass damper |
| CN110725557A (en) * | 2019-09-19 | 2020-01-24 | 西安工程大学 | SMA (shape memory alloy) composite suspended pendulum damping device for historical buildings |
| CN111206696A (en) * | 2020-02-12 | 2020-05-29 | 中国地震局工程力学研究所 | Stable shock isolation device with multiple tuned mass dampers |
| CN111396498A (en) * | 2019-12-06 | 2020-07-10 | 浙江运达风电股份有限公司 | Nonlinear vibration damper for wind turbine tower |
| CN114148365A (en) * | 2021-11-29 | 2022-03-08 | 同济大学 | Impact type dynamic vibration absorber for railway vehicle |
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2014
- 2014-06-13 CN CN201420316993.9U patent/CN203891246U/en not_active Expired - Fee Related
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| CN104594520B (en) * | 2015-01-13 | 2017-01-18 | 山东大学 | Multi-dimensional adjustable collision energy dissipation device |
| CN104594520A (en) * | 2015-01-13 | 2015-05-06 | 山东大学 | Multi-dimensional adjustable collision energy dissipation device |
| CN104612280B (en) * | 2015-02-06 | 2017-08-25 | 山东大学 | Compound energy-consumption damping control device |
| CN104612280A (en) * | 2015-02-06 | 2015-05-13 | 山东大学 | Composite-type energy dissipation and vibration reduction control device |
| CN104763070A (en) * | 2015-04-14 | 2015-07-08 | 山东大学 | Suspension type multidimensional impact vibration reduction damper |
| CN105649229A (en) * | 2016-03-07 | 2016-06-08 | 山东大学 | Multidimensional anti-torsion shock absorber |
| CN106245515A (en) * | 2016-09-28 | 2016-12-21 | 湖南科技大学 | Quality moving type bridge torsional vibration damper |
| CN106245515B (en) * | 2016-09-28 | 2017-10-03 | 湖南科技大学 | Quality moving type bridge torsional vibration damper |
| CN106320558A (en) * | 2016-10-26 | 2017-01-11 | 山东大学 | Mixed type multi-dimensional and multi-level energy dissipation device |
| CN106758765B (en) * | 2016-11-09 | 2019-03-05 | 东南大学 | A kind of multidimensional tuned mass damper |
| CN106758765A (en) * | 2016-11-09 | 2017-05-31 | 东南大学 | A kind of multidimensional tuned mass damper |
| CN106337594A (en) * | 2016-11-10 | 2017-01-18 | 同济大学 | The multi-stage spring particle damper |
| CN106835961A (en) * | 2017-03-23 | 2017-06-13 | 北京工业大学 | A kind of air spring composite three-dimensional shock isolating pedestal |
| CN107476478A (en) * | 2017-06-28 | 2017-12-15 | 河南城建学院 | A kind of distributed three-dimensional damping thin wall hollow floor |
| CN107476478B (en) * | 2017-06-28 | 2019-05-03 | 河南城建学院 | A kind of distribution three-dimensional damping thin wall hollow floor |
| CN107355022A (en) * | 2017-07-18 | 2017-11-17 | 大连理工大学 | A kind of two-way suspension-mass pendulum vibration insulating system |
| CN107355022B (en) * | 2017-07-18 | 2022-12-27 | 大连理工大学 | Two-way suspension mass pendulum vibration reduction system |
| CN107227806A (en) * | 2017-08-03 | 2017-10-03 | 山东大学 | Bidirectional collision puts damping control device |
| CN107227806B (en) * | 2017-08-03 | 2023-06-23 | 山东大学 | Bidirectional collision pendulum vibration damping control device |
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| CN109811922B (en) * | 2019-01-21 | 2021-02-02 | 北京工业大学 | Dual-tuning particle vibration reduction system of pipeline structure |
| CN109811922A (en) * | 2019-01-21 | 2019-05-28 | 北京工业大学 | A kind of dual tuned particle vibration insulating system of pipeline class formation |
| CN110206055B (en) * | 2019-06-12 | 2021-07-20 | 乐昌市第三建筑工程有限公司 | Building foundation structure capable of coping with seismic wave resonance |
| CN110206055A (en) * | 2019-06-12 | 2019-09-06 | 吴东波 | A kind of structure foundation structure for coping with seismic wave resonance |
| CN110422299A (en) * | 2019-07-02 | 2019-11-08 | 哈尔滨工程大学 | A kind of collision mass damper PTMD device of hull global vibration control |
| CN110528949A (en) * | 2019-08-12 | 2019-12-03 | 同济大学 | A kind of multiple energy consumption collision type tuned mass damper |
| CN110725557A (en) * | 2019-09-19 | 2020-01-24 | 西安工程大学 | SMA (shape memory alloy) composite suspended pendulum damping device for historical buildings |
| CN111396498A (en) * | 2019-12-06 | 2020-07-10 | 浙江运达风电股份有限公司 | Nonlinear vibration damper for wind turbine tower |
| CN111206696A (en) * | 2020-02-12 | 2020-05-29 | 中国地震局工程力学研究所 | Stable shock isolation device with multiple tuned mass dampers |
| CN114148365A (en) * | 2021-11-29 | 2022-03-08 | 同济大学 | Impact type dynamic vibration absorber for railway vehicle |
| CN115559533A (en) * | 2022-08-17 | 2023-01-03 | 邳州市南方建材有限公司 | Integral type roof concrete placement flattening device |
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Legal Events
| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20180613 |