CN203334467U - Multidimensional adjustable vibration damping control device - Google Patents
Multidimensional adjustable vibration damping control device Download PDFInfo
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- CN203334467U CN203334467U CN2013204159925U CN201320415992U CN203334467U CN 203334467 U CN203334467 U CN 203334467U CN 2013204159925 U CN2013204159925 U CN 2013204159925U CN 201320415992 U CN201320415992 U CN 201320415992U CN 203334467 U CN203334467 U CN 203334467U
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Abstract
The utility model particularly discloses a multidimensional adjustable vibration damping control device which comprises a rectangular base and is characterized in that a rectangular guide rail is arranged on the inner side of the base. Sliding blocks capable of sliding along the guide rail are arranged on the rectangular guide rail. A longitudinal trolley capable of sliding in the longitudinal direction of the base is arranged on the base. A transverse trolley capable of sliding in the transverse direction of the longitudinal trolley is arranged on the longitudinal trolley. The front end and the rear end of the longitudinal trolley are respectively provided with a first elastic device, and the first elastic devices are connected with the sliding blocks at the front end and the rear end of the base. The left end and the right end of the transverse trolley are respectively provided with a second elastic device, and the second elastic devices are connected with the sliding blocks at the left end and the right end of the base. A mass block is arranged on the upper portion of the transverse trolley and is connected with the transverse trolley through a third elastic device. The multidimensional adjustable vibration damping control device is suitable for a building structure which is large in span, towering, complex in shape and high in safety requirement, and capable of producing good economic benefit and social benefit.
Description
Technical field
The utility model relates to a kind of multidimensional adjustable vibration reduction control device, is exactly for greatly across the multidimensional adjustable vibration reduction control device of, the dependency structure such as towering, build is complicated specifically.
Background technology
Since reform and opening-up, building industry enters developing period fast, and height and the complexity of building constantly increase.In earthquake disaster, the injures and deaths cost of bitterness and the raising of people's awareness of safety, guarantee that the safe operation under the building structure geological process becomes a great research topic.Under geological process, the response such as the displacement on building structure top, speed and acceleration can be very large, has a strong impact on the safety of structure.Theoretical research and earthquake experience show, ground motion during earthquake is the multi-dimensional movement of a complexity, the reaction of structure under one-dimensional and multi-component earthquake excitation is different, only consider that for complicated or important structure (as large-span space structures such as ocean platform, high level, net shell and transmission of electricity tower-line systems) the simple component geological process is inadequate, should consider the impact of multi-component seismic effect on structure.Therefore must be controlled the multi-dimensional vibration of building structure.
Tuned mass damper (TMD) is a kind of damping control device of classics, the vibrational system that it is comprised of spring, damper and mass.Produce vibration under geological process when structure, driving Tuned mass damper system vibrates together, the inertia force that the Tuned mass damper system relative motion produces reacts on structure, tuning this inertia force, make its vibration isolation to structure produce control action, thereby reach the purpose that reduces structural vibration response.
TMD has very large correlation to the control action of structural vibration and the frequency of structure and TMD itself.When the natural frequency of the frequency of TMD and structure is consistent, effectiveness in vibration suppression is fairly obvious; When the natural frequency of the frequency of TMD and structure is inconsistent, effectiveness in vibration suppression is poor, even can aggravate vibration.In Practical Project, the frequency of structure may change along with the variation of environmental aspect, and the frequency of traditional tuned mass damper can't change after installing, and has significant limitation.About the building structure damping control device, mostly for a direction of structure or the vibration of certain both direction, controlled at present, consider the multi-dimensional nature of earthquake motion, ignore the vibration isolation of any one direction, all likely cause serious consequence, if adopt traditional a plurality of tuned mass dampers to carry out multi-dimensional vibration control to structure, can bring very large burden to structure, so that have a negative impact.
The utility model content
The purpose of this utility model is the device that provides a kind of vibration damping to control for building structure, and mainly to structure, horizontal bidirectional and vertical vibration under multi-component earthquake excitation are controlled.
For achieving the above object, the utility model adopts following technical proposals:
Multidimensional adjustable vibration reduction control device, comprise rectangular base, described base inboard is provided with the guide rail of a rectangle, described rectangular guideway is provided with can be along the slide block of its slip, on base, arranging can be along vertical dolly of its longitudinal sliding motion, vertically on dolly, be provided with the horizontal dolly that can laterally slide along it, vertically the front-end and back-end of dolly arrange respectively elastic device I, and elastic device I is connected with the slide block of the rear and front end of base; Laterally left end and the right-hand member of dolly arrange respectively elastic device II, and elastic device II is connected with the slide block at the two ends, left and right of base, and are provided with mass on the top of horizontal dolly, and described mass is connected with horizontal dolly by elastic device III.
Be equipped with guide rail above described vertical dolly.
Described vertical dolly bottom is provided with four and is stuck on base rail and the wheel that can slide along base rail.
Described horizontal dolly bottom is provided with four and is stuck on vertical dolly and wheel that longitudinally vehicle guide slides.
Described mass is to be formed by iron plate being bolted.
Described mass is set on vertical guide peg, limits the movement of its horizontal direction by guide peg.
Described elastic device I, elastic device II, elastic device III include two springs and a viscous oil damper separately, and described viscous oil damper is arranged at the centre of two springs.
Described guide peg, through mass and the spring that is arranged at the mass bottom, is fixed on horizontal dolly.
The upper end of described elastic device III is welded on the bottom of mass, and lower end is welded on horizontal dolly.
The beneficial effects of the utility model are as follows:
This vibration absorber operating principle is tuned mass damper (TMD), belongs to the category of Passive Control.Compare the advantage of this vibration absorber with other vibration damping control technologys: (1) can realize the vibration damping control on multiple directions, and effect is better; (2) vibration damping on multiple directions is controlled and is shared a mass, has effectively alleviated the burden of structure; (3) can, by changing the quantity of mass light plate, the frequency of tuned mass damper be regulated; (4) simple structure, be convenient to processing, and without the input of external energy, more easily realization and safety are higher; (5) be not only applicable to the vibration damping of new building structure, the vibration damping that also is applicable to existing structures is controlled.
Multidimensional adjustable vibration reduction control device of the present utility model can reduce the two-way and vertical seismic response of structure level, avoids resonance effects, guarantees fully the safety of building structure.Across, the building structure that towering, build is complicated and safety requirements is high, can produce economic benefit and social benefit preferably applicable to greatly.
The accompanying drawing explanation
Fig. 1 is multidimensional adjustable vibration reduction control device schematic diagram.
Fig. 2 is the A-A generalized section of multidimensional adjustable vibration reduction control device.
Fig. 3 is the B-B generalized section of multidimensional adjustable vibration reduction control device.
In figure: 1 slide block guide rail, 2 first slide blocks, 3 first viscous dampers, 4 first springs, 5 wheels, 6 second springs, 7 second viscous dampers, 8 second slide blocks, 9 vertical dollies, 10 anchor bolts, 11 guide pegs, 12 horizontal dollies, 13 masses, 14 the 3rd springs, 15 bases, 16 the 3rd viscous dampers, 17 backing plates, 19 bearings.
The specific embodiment
Describe the embodiment of the utility model the best in detail below in conjunction with technical scheme and accompanying drawing.
The multidimensional adjustable vibration reduction control device the utility model proposes is as Fig. 1, and Fig. 2, shown in Fig. 3.Each damping control device comprises a box-structure, vertical four springs, and horizontal two springs, vertical two springs, and each viscous oil damper of vertical portraitlandscape, laterally with guide rail and dolly longitudinally, two vertical guide pegs etc.This device can be arranged on the top layer of building structure.Concrete structure is as follows: comprise rectangular base 15, described base 15 inboards are provided with the rail plate 1 of a rectangle, described rail plate is provided with can be along the first slide block 2 and second slide block 8 of its slip, on base 15, arranging can be along vertical dolly 9 of its longitudinal sliding motion, vertically on dolly 9, be provided with the horizontal dolly 12 that can laterally slide along it, vertically the front-end and back-end of dolly 9 arrange respectively elastic device I, and elastic device I is connected with the second slide block 8 of the rear and front end of base 15; Laterally left end and the right-hand member of dolly 12 arrange respectively elastic device II, elastic device II is connected with first slide block 2 at the two ends, left and right of base 15, and the top at horizontal dolly 12 is provided with mass 13, described mass 13 is connected with horizontal dolly 12 by elastic device III.Be equipped with guide rail above described vertical dolly 9.
Elastic device I, elastic device II, elastic device III include two springs and a viscous oil damper separately, and described viscous oil damper is arranged at the centre of two springs.Guide peg 11, through mass 13 and the spring that is arranged at mass 13 bottoms, is fixed on horizontal dolly 12.Elastic device I comprises the first spring 4 and the first viscous damper 3.Elastic device II comprises the second spring 6 and the second viscous damper 7.Elastic device III comprises the 3rd spring 14 and the 3rd viscous damper 16, and its upper end is welded on the bottom of mass 13, and lower end is welded on horizontal dolly 12.
Concrete implementation method is as follows: be provided with the vertical dolly 9 of an energy along its lengthwise movement in described box-structure 15, vertically dolly 9 rear and front ends weld together with the slide block 2 on container 15 sidewalls by the second spring 6 and the second viscous damper 7, and wheel 5 limits its movement locus by the guide rail in box-structure.On the top of dolly 9, arranging can transverse movement dolly 12, and dolly 12 rear and front ends weld together with the second slide block 8 on base 15 sidewalls by the first spring 4 and the first viscous damper 3, and wheel 5 limits its movement locus by the guide rail in box-structure.Then mass 13 is offered in advance to bolt hole and guide peg perforation, the upper end of the 3rd spring 14 and the 3rd viscous damper 16 is welded on the backing plate 17 of bottom of quality board, then by the lower end of the 3rd spring 14 and the 3rd viscous damper 16 with horizontal dolly 12 by being welded and fixed.Finally all the other steel plates are interted to come in by the upper end of guide peg 11, with anchor bolt 10, all steel plates are fixed up, formed the mass in the TMD vibration insulating system.
The design of spring and steel plate guarantees that the frequency of multidimensional adjustable vibration reduction control device is consistent with the vibration frequency of structure, when the change of environment causes the vibration frequency of structure to change, can can change the frequency of this device by the quantity (changing the quality of mass) of increase and decrease laminated steel plate, guarantee maximum effectiveness in vibration suppression.The effect of guide peg 11 only allows the vertical motion of mass, and then realizes vertical damping effect.
Claims (9)
1. multidimensional adjustable vibration reduction control device, comprise rectangular base, it is characterized in that: described base inboard is provided with the guide rail of a rectangle, described rectangular guideway is provided with can be along the slide block of its slip, on base, arranging can be along vertical dolly of its longitudinal sliding motion, vertically on dolly, be provided with the horizontal dolly that can laterally slide along it, vertically the front-end and back-end of dolly arrange respectively elastic device I, and elastic device I is connected with the slide block of the rear and front end of base; Laterally left end and the right-hand member of dolly arrange respectively elastic device II, put elastic device II and are connected with the slide block at the two ends, left and right of base, and be provided with mass on the top of horizontal dolly, and described mass is connected with horizontal dolly by elastic device III.
2. device as claimed in claim 1, is characterized in that: be equipped with guide rail above described vertical dolly.
3. device as claimed in claim 1, is characterized in that: be provided with four bottom described vertical dolly and be stuck on base rail and the wheel that can slide along base rail.
4. device as claimed in claim 2 is characterized in that: described horizontal dolly bottom is provided with four and is stuck on vertical dolly and wheel that longitudinally vehicle guide slides.
5. device as claimed in claim 1, it is characterized in that: described mass is to be formed by iron plate being bolted.
6. device as claimed in claim 1, it is characterized in that: described mass is set on vertical guide peg.
7. device as claimed in claim 1, it is characterized in that: described elastic device I, elastic device II, elastic device III include two springs and a viscous oil damper separately, and described viscous oil damper is arranged at the centre of two springs.
8. device as claimed in claim 6 is characterized in that: described guide peg is through mass and be arranged at the spring of mass bottom, is fixed on horizontal dolly.
9. device as claimed in claim 1, it is characterized in that: the upper end of described elastic device III is welded on the bottom of mass, and lower end is welded on horizontal dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204159925U CN203334467U (en) | 2013-07-12 | 2013-07-12 | Multidimensional adjustable vibration damping control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204159925U CN203334467U (en) | 2013-07-12 | 2013-07-12 | Multidimensional adjustable vibration damping control device |
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| Publication Number | Publication Date |
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| CN203334467U true CN203334467U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013204159925U Expired - Fee Related CN203334467U (en) | 2013-07-12 | 2013-07-12 | Multidimensional adjustable vibration damping control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306395A (en) * | 2013-07-12 | 2013-09-18 | 山东大学 | Multi-dimensional adjustable vibration reduction control device |
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
| CN108729569A (en) * | 2018-06-26 | 2018-11-02 | 山东大学 | A kind of multidimensional whirlpool spring and helical spring combined type tune vibration absorber |
| CN111853139A (en) * | 2020-06-12 | 2020-10-30 | 南京林业大学 | Three-dimensional vibration damper |
-
2013
- 2013-07-12 CN CN2013204159925U patent/CN203334467U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306395A (en) * | 2013-07-12 | 2013-09-18 | 山东大学 | Multi-dimensional adjustable vibration reduction control device |
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
| CN108729569A (en) * | 2018-06-26 | 2018-11-02 | 山东大学 | A kind of multidimensional whirlpool spring and helical spring combined type tune vibration absorber |
| CN111853139A (en) * | 2020-06-12 | 2020-10-30 | 南京林业大学 | Three-dimensional vibration damper |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131211 Termination date: 20150712 |
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| EXPY | Termination of patent right or utility model |