CN201301503Y - Viscoelastic multidimensional vibration damper - Google Patents
Viscoelastic multidimensional vibration damper Download PDFInfo
- Publication number
- CN201301503Y CN201301503Y CNU2008202192345U CN200820219234U CN201301503Y CN 201301503 Y CN201301503 Y CN 201301503Y CN U2008202192345 U CNU2008202192345 U CN U2008202192345U CN 200820219234 U CN200820219234 U CN 200820219234U CN 201301503 Y CN201301503 Y CN 201301503Y
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- steel plate
- bolt
- viscoelastic
- vibration damping
- upper strata
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Abstract
A vibration damping control device of an ocean platform, a high-rise building and related structure belongs to the technical field of vibration damping of ocean engineering and civil engineering structures, which is characterized in that an upper connection steel plate 5 and a lower connection steel plate 3 of a viscoelastic material layer 4 are connected in a cross shape, the upper connection steel plate 5 is connected with a locating auxiliary device 1 through a bolt 2, the locating auxiliary device 1 is connected with a structure upper beam through the bolt 2, and the lower connection steel plate 3 is connected with a structural support 7 through the bolt 2, the viscoelstic material layer 4 is parallel to an upper layer of the structural, and can deform double-directionally in the plane, and the deformation of the viscoelastic material layer 4 outside the plane can be avoided. The vibration damping control device has the effects and benefits that the vibration damping device can greatly reduce the cost of a damper while effectively reducing the vibration action of related structures, has simple structure and convenient construction, and may produce enormous economic and social benefits after being applied in projects of related structures.
Description
Technical field
The utility model belongs to offshore engineering structure and civil engineering structure antivibration area, relates to jacket offshore platform, highrise building and dependency structure and uses the upper strata to connect the design of the shock absorber of steel plate, viscoelastic material, lower floor's connection steel plate and location auxiliary part composition.
Background technology
Along with The development in society and economy, human also increasing to the demand of seabed mining deposits, the exploitation of the greater coasting area energy can not be satisfied human wants, and the offshore platform structure that is used for natural petroleum gas field is towards the trend development of Gao Gengrou more.For this class formation thing, although the strength and stiffness ratio is easier to meet design requirement, but the frequency of its horizontal vibration and the dominant frequency range of environmental load are very approaching, this class formation can produce bigger vibration deformation under the environmental load effects such as wave load, wind load, geological process, meeting generates a panic to the staff on the platform even causes structural damage, influences the normal use of structure.Equally, also there are such similar problem in highrise building and other engineering structuress.Because the structural vibration control technology constantly is applied in engineering, it is very significant therefore seeking suitable control method at the vibration problem of jacket offshore platform and highrise building.
Viscoelastic damper (Viscoelastic Damper is called for short VED) is a kind of damping control device of classics, and it is by connecting the vibrational system that steel plate and viscoelastic material are formed.When it installed structurally, the distortion of structure was delivered on the viscoelastic material by connecting steel plate, comes the vibrational energy of dissipative structure by the shear strain of viscoelastic material, thereby reaches the purpose that reduces structural response.
But traditional viscoelastic damper design all needs to be installed to the framework inside that beam column constitutes in the structure, the vibration of a certain direction of control structure effectively of this design and installation mode.Yet the essence of structural vibration is multidimensional, and under the environmental load effect, structure can be vibrated in two levels and torsional direction inevitably.In order to ensure the reliability of viscoelastic damper, need viscoelastic damper be set simultaneously at structure two major axes orientations usually, thereby increase the cost of structure control greatly structural vibration control.
Summary of the invention
The purpose of this utility model is for jacket offshore platform, highrise building and dependency structure provide a kind of damping control device, solves the multi-dimensional vibration problem of these structures under the environmental load effect.
The technical solution of the utility model is that viscoelastic material adopts the mode of sulfuration to be connected steel plate 5 with the upper strata to be connected steel plate 3 with lower floor and to bond, and levels connects the steel plate across and arranges, the upper strata connects steel plate 5 and fixes by positioning auxiliary device 1 and structure upper strata beam, lower floor connects steel plate 3 and fixes by support structure and structure bottom beam, thereby guarantee maintenance level between viscoelastic material layer and the deck, the translation and the torsional deflection of two horizontal directions can take place on plane, viscoelastic material layer place.The upper strata connects the arc-shaped protrusions setting of steel plate 5, can guarantee that the distortion in the plane, viscoelastic material layer 4 place only takes place viscoelastic material, prevents viscoelastic material generation viscoelastic material layer 4 out-of-plane breaking.
Effect of the present utility model and benefit are that the viscoelastic multidimensional vibration absorber all can play control action to the vibration of structure two horizontal directions, when strengthening safety of structure, can reduce the use cost of damper significantly.Applicable to jacket offshore platform, highrise building and dependency structure, can produce huge economic benefit and social benefit.
Description of drawings
Accompanying drawing 1 is a viscoelastic multidimensional vibration damper facade structures schematic diagram.
Among the figure: 1 positioning auxiliary device, 2 bolts, 3 lower floors connect steel plate, 4 viscoelastic material layer, 5 upper stratas connect steel plate, 6 bolts hole, 7 support structure.
Accompanying drawing 2 is positioning auxiliary device facade structures schematic diagrames.
Accompanying drawing 3 is damper main body member facade structures schematic diagrames.
Accompanying drawing 4 is positioning auxiliary device plane structure schematic diagrames.
Accompanying drawing 5 is damper main body member plane structure schematic diagrames.
The specific embodiment
Be described in detail preferred forms of the present utility model below in conjunction with technical scheme and accompanying drawing.
The viscoelastic multidimensional vibration damper that the utility model proposes such as Fig. 1-shown in Figure 5.Each shock absorber is made up of damper main body and positioning auxiliary device 1, and damper main body is connected steel plate 3 and is constituted by upper strata connection steel plate 5, viscoelastic material layer 4 with lower floor.Shock absorber is installed on the side bar of Platform Deck or structure floor.Specific practice is earlier to offer 4 on positioning auxiliary device 1 to run through smooth hole and 4 recess holes that have internal thread, and connects steel plate 5 on the upper strata and be connected with lower floor and offer 4 on the steel plate 3 respectively and run through smooth bolt hole 6.Then the upper strata being connected steel plate 5, viscoelastic material layer 4 be connected steel plate 3 usefulness sulfurations with lower floor method is consolidated.With bolt 2 side bar of positioning auxiliary device 1 with Platform Deck or structure floor is connected, with bolt 2 damper main body linked to each other with support structure 7 equally.Pass the upper strata from lower to upper with bolt 2 at last and connect the bolt hole of offering in advance in the steel plate 56, and engage with the recess hole that has internal thread offered in advance in the auxiliary connecting device, the arc convex that utilizes screw-threaded coupling to make the upper strata connect in the steel plate 5 just contacts with arc-shaped recess in the auxiliary connecting device 1.
Arch section in the positioning auxiliary device 1 should keep identical with the radius that the upper strata connects the arch section in the steel plate 5, and guarantee that the arc length in the positioning auxiliary device 1 connects arc length in the steel plate 5 less than the upper strata, be that the horizontal component that positioning auxiliary device 1 is connected with the upper strata between steel plate 5 joint back members leaves certain space, (referring to Fig. 1) makes structure viscoelastic material when a small amount of flexural deformation takes place that the shear strain in the plane take place all the time; The upper strata connects the diameter big 1-2mm of the diameter of the prepared screw-bolt hole 6 in the steel plate 5 than bolt 2.
Claims (1)
1. viscoelastic multidimensional vibration damper, it is characterized in that the upper strata connects steel plate (5) and is connected steel plate (3) across with lower floor, intermediate course viscoelastic material (4) is connected steel plate (5) and is connected steel plate (3) with lower floor by the vulcanization process bonding with the upper strata, arc-shaped protrusions is set upper strata connection steel plate (5) and contact is connected with arc area by bolt (2) with location auxiliary part (1); The upper strata connects the prepared screw-bolt hole (6) in the steel plate (5), and the diameter of prepared screw-bolt hole (6) is than the big 1-2mm of diameter of bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202192345U CN201301503Y (en) | 2008-11-14 | 2008-11-14 | Viscoelastic multidimensional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202192345U CN201301503Y (en) | 2008-11-14 | 2008-11-14 | Viscoelastic multidimensional vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301503Y true CN201301503Y (en) | 2009-09-02 |
Family
ID=41085127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202192345U Expired - Lifetime CN201301503Y (en) | 2008-11-14 | 2008-11-14 | Viscoelastic multidimensional vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201301503Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372144A (en) * | 2010-07-01 | 2012-03-14 | 村田自动化机械有限公司 | Mounting table of cassette for substrate |
| CN103243696A (en) * | 2013-05-03 | 2013-08-14 | 陈灿斌 | Method for reducing swaying of water-based facilities |
| CN103628586A (en) * | 2013-11-20 | 2014-03-12 | 大连理工大学 | Magneto-rheological semi-active rolling type mass pendulum damper |
-
2008
- 2008-11-14 CN CNU2008202192345U patent/CN201301503Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372144A (en) * | 2010-07-01 | 2012-03-14 | 村田自动化机械有限公司 | Mounting table of cassette for substrate |
| CN103243696A (en) * | 2013-05-03 | 2013-08-14 | 陈灿斌 | Method for reducing swaying of water-based facilities |
| CN103628586A (en) * | 2013-11-20 | 2014-03-12 | 大连理工大学 | Magneto-rheological semi-active rolling type mass pendulum damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090902 Effective date of abandoning: 20081114 |