CN101839026A - Package-type rubber vibration isolation cushion with limit function - Google Patents
Package-type rubber vibration isolation cushion with limit function Download PDFInfo
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- CN101839026A CN101839026A CN201010117447A CN201010117447A CN101839026A CN 101839026 A CN101839026 A CN 101839026A CN 201010117447 A CN201010117447 A CN 201010117447A CN 201010117447 A CN201010117447 A CN 201010117447A CN 101839026 A CN101839026 A CN 101839026A
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Abstract
The invention relates to a package-type rubber vibration isolation cushion with limit function, comprising a limit rod, miniature rubber vibration isolation units, laminated steel plates and end plates; wherein a plurality of miniature rubber vibration isolation units are fixed between each two laminated steel plates, the limit rod is a soft steel rod with the section gradually changed, the end with larger section is fixed on a lower end plate, and the limit rod penetrates the limit holes on the intermediate laminated steel plates from bottom to top. The invention has the advantages of variable structure size, adjustable energy consumption capability, wide application range, simple manufacturing process, convenient transportation and flexible application, is applicable to standardization mass production of factory and field selecting and mounting by requirement and can be applicable to vibration resistance of structure and equipment, especially vibration resistance, vibration reduction and vibration isolation of special industrial equipment with small load and frequent field debugging.
Description
Technical field
The present invention relates to a kind of assembly type rubber vibration isolation cushion that can be spacing.
Background technology
Earthquake brings heavy damage for various building structure and equipment, will cause entire society's life to paralyse.The base isolation technology is to use maximum a kind of damping control technologys in the present engineering, and it is a new technology that occurs the sixties in 20th century.Base isolation can be divided into sandwich rubber cushion earthquake isolating equipment, lead core rubber support, ball (or roller bearing) shock insulation, hangs base isolation, waves the bearing shock insulation, sliding support shock insulation etc. is multiple, wherein the neoprene bearing seismic isolation technology be most widely used in the seismic isolation technology, that technology is the most ripe is a kind of, it has that damping mechanism is clear and definite, damping effect significantly, construction and characteristics such as easy for installation, and existing multinomial engineering stands severe tests in earthquake centre practically, just is being subjected to the attention of more and more national.
Thereby isolation structure is a kind of passive energy dissipation form of structure of geological process being isolated the protection superstructure by the shock insulation layer.Isolation structure mainly is the basic cycle by extending structure to make the acceleration that enters superstructure reduce greatly, thereby reaches the purpose of isolating earthquake.
The building of seat of honour use lead core rubber support is the Wellington William Clayton building of building in New Zealand in 1971 in the world, and this is the reinforced concrete structure office building of one four floor height, near the Wellington tomography.Japan built up first modern shock-insulation building in 1972, was a two-layer private residence.1975, California that the U.S. the builds up judicial objects center of holy fourth was first shock-insulation building of the U.S., also was first building that adopts the high-damping rubber shock isolating pedestal in the world.
Nowadays the advantage of lead-rubber pad is admitted widely, and many countries all adopt this technical design to build buildings such as building, bridge.Now, Japan's base isolation building not only is used for middle level, low layer, and along with demand to base isolation high level and super highrise building, Japan builds up or is building a collection of base isolation high level and super highrise building in the recent period, as Tokyo China fir and city, garden, Osaka DT office building, nanmu leaf high building city, Osaka.In developing country low price house natural rubber shock isolation system research project has been listed it by the United Nations Industrial Development Organization (UNIDO), in Shantou, Guangdong of China, Santiago of Indonesian Java Island, gondola Reggio Calabria and Chile respectively builds up exemplary house.Lead-rubber is paid somebody's debt and expected repayment later the reinforcing that is used to building.Utah, USA salt lake government building is five layers of unreinforced masonry structure building that are built in 1794, has only 3km from the Wasatch tomography, is easily earthquake and destroys.This building has just adopted the Scheme of Strengthening of aggregate erection elastomeric pad bearing and lead core rubber support shock insulation under the basis.New Zealand's parliament building is another important example of reinforcing building with plumbous heart rubber pad.
Enter the seventies in 20th century, shock insulation research obtains paying attention in China gradually, and the sandwich rubber cushion technology is familiar with research for numerous scholars gradually.Simultaneously, at the national conditions of China, it is on the isolation structure of main application that the emphasis of research concentrates on masonry structure.Neoprene bearing technology applicable cases has: a underframe residential building of building with the lead core rubber support of independent development in Earthquake of Anyang station in Henan in 1993.1994, build up one eight layers framework shock insulation complex building at the Sichuan Mianning again.Nineteen ninety-five～1996 year again successively in Guangdong, ground such as Yunnan, Sichuan, Shaanxi built a collection of shock-insulation building.Since nineteen ninety-five, the neoprene bearing shock-insulation building begins to promote in various places, and building area obviously increases.These shock-insulation buildings have been obtained effect preferably.The chapter 12 of GB5001122001 seismic design provision in building code has been done comparatively detailed regulation to isolation structure.
As can be seen, just a plurality of countries develop rapidly the vibration-isolating system that adopts rubber earthquake isolation support in the world in test and theoretical research and engineering application facet, this vibration-isolating system mainly adopts rubber earthquake isolation support as earthquake isolating equipment, separately or with the damper acting in conjunction, form effective shock insulation layer, absorb and earthquake energy.
But present rubber earthquake isolation support is to design separately at ad hoc structure or equipment, do not consider the type of structure or equipment and the diversity of structure, therefore it is low to be necessary to propose a kind of cost, can manufacture, can assemble at different structures or equipment, but also can limiting structure or equipment at the shock isolation system of rarely occurred earthquake bottom offset.
Summary of the invention
Based on present existing rubber vibration isolation cushion type, the objective of the invention is to propose a kind of assembly type rubber vibration isolation cushion that can be spacing.Production standardization of the present invention, connected mode is simple, and assembled on site is convenient, and can play good anti seismic efficiency, particularly under rarely occurred earthquake, can also prevent effectively that the displacement of structure or equipment is excessive.
The present invention proposes can be spacing the assembly type rubber vibration isolation cushion, comprise upper head plate 1, limit stick 2, steel plate 3, bottom plate 4 and rubber vibration isolation unit 5, wherein:
Be furnished with anchor hole around the upper head plate 1, by the center symmetric arrangement bolt hole 6 arranged, rubber vibration isolation unit 5 is positioned at this bolt hole 6 places;
The center of bottom plate 4 has screw 9, is furnished with anchor hole 8 all around, by the center symmetric arrangement bolt hole 6 is arranged;
Bolt inserts the bolt hole of upper head plate 1, the bolt hole of intermediate laminate steel plate and the bolt hole of bottom plate 4 successively.
Among the present invention, leave certain clearance between the spacing hole hole wall of limit stick 2 and intermediate laminate steel plate.
Among the present invention, leave certain interval between limit stick 2 other ends and bottom plate 4 bottoms.
Among the present invention, the screwhole diameter at bottom plate 4 middle parts is consistent with limit stick 2 bottom sections size.
Among the present invention, limit stick 2 cross sections diminish from bottom to top gradually.
Among the present invention, rubber vibration isolation unit 5 can carry out standardization to be produced in batches, does not need special customization, and cost is lower.The shape of intermediate laminate steel plate and upper and lower end plate can be selected different shapes and standard for use according to the size and the structure of transformer, and the height of limit stick also is to select for use as required.
Among the present invention, several rubber vibration isolation unit are installed between every two-layered steel plates, arrangement mode is the center symmetry, passes through bolt; Lamination steel plate middle part, middle part has circular hole, is referred to as spacing hole, the spacing hole radius deduct limit stick with the radius of this layer steel plate respective heights, the then sidesway that can take place for shock insulation pad maximum; The limit stick cross section diminishes from bottom to top gradually, and and perforate between have the gap of appropriateness, the diameter of limit stick and drawing materials to depend primarily on structure or equipment suffered bottom shearing size under the rarely occurred earthquake effect.
Compared with prior art, the present invention has useful effect and is, the present invention adopts assembling mode, can standardized production, and cost is low, does not need each structure or equipment are made a concrete analysis of, and removes to customize the shock insulation pad again, helps promoting passing through; Add position-limiting unit in addition, can prevent that structure or equipment from producing over-large displacement.
Description of drawings
Fig. 1 is the bottom plate plan view of assembly type rubber vibration isolation cushion that can be spacing.
Fig. 2 is the stacked steel plate plan view of assembly type rubber vibration isolation cushion that can be spacing.
Fig. 3 is the upper head plate plan view of assembly type rubber vibration isolation cushion that can be spacing.
Fig. 4 be can be spacing assembly type rubber vibration isolation cushion assembling after structural diagrams.Wherein: (a) being the structural diagrams of bottom plate fixed limit rod, (b) for removing the rubber vibration isolation cushion structural diagrams of upper head plate, (c) is the overall structure diagram of assembly type shock insulation pad that can be spacing.
Number in the figure: 1 is upper head plate, and 2 is limit stick, and 3 is steel plate, and 4 is bottom plate, and 5 is the rubber vibration isolation unit, and 6 is bolt hole, and 7 is spacing hole, and 8 is anchor hole, and 9 is the screw on the bottom plate.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is done with further instruction.
Embodiment 1: as shown in Figure 1, in assembly type rubber vibration isolation cushion that can be spacing, bottom plate 4 is the octagon structure, and four anchor hole 6 that are symmetrically distributed on its limit are used for and basic anchoring; Four groups of bolts hole that distribute by symmetrical centre in addition are used for fixing rubber vibration isolation unit 5; The centre bit of bottom plate is equipped with a screw 9, is used for fixing limit stick 2, and these screw 9 areas are consistent with limit stick 2 bottom sections size.
As shown in Figure 2, in assembly type rubber vibration isolation cushion that can be spacing, the intermediate laminate steel plate is to be formed by stacking successively by some steel plates 3, between every two-layered steel plates 3 rubber vibration isolation unit 5 is installed, and all has four groups of bolts hole to be used for fixing the rubber vibration isolation unit 5 of high damping on every block plate 3; The perforate of mid portion is spacing hole 7, to hold the horizontal movement of shock insulation pad under frequently occurred earthquake.
As shown in Figure 3, in assembly type rubber vibration isolation cushion that can be spacing, upper head plate 1 is the octagon structure, and four anchor hole 6 that are symmetrically distributed on its limit are used for and structure or device bottom anchoring; Four groups of bolts hole that distribute by symmetrical centre in addition are used for fixing the rubber vibration isolation unit 5 of high damping; Upper head plate 1 is that with the difference of bottom plate 4 central authorities do not have the screw that limit stick 2 is installed.
As shown in Figure 4, in assembly type rubber vibration isolation cushion that can be spacing, bottom plate 4 central fixed limit rods 2, between spacing hole 7 hole walls on the outward flange of limit stick 2 and the intermediate laminate steel plate certain distance is arranged, and between the top of limit stick 2 and the upper head plate 1 space is arranged, to hold because structure or equipment self-weight cause the rubber pad vertical deformation; The assembling of intermediate laminate steel plate all is to repeat work.
Owing to have the gap between middle folded steel plate upper limit hole 7 and the limit stick 2, under the frequently occurred earthquake effect, the horizontal movement of shock insulation layer is during less than this gap, limit stick 2 is inoperative, this moment, the horizontal rigidity of shock insulation layer was less, and isolation structure is bigger natural vibration period, and superstructure can get damping effect preferably.Under the rarely occurred earthquake effect, the horizontal movement of shock insulation layer is during greater than the gap between hole wall and the limit stick 2, and limit stick 2 contacts with the intermediate laminate steel plate, limit stick 2 stressed bendings, become the cantilever bending structure, horizontal damping power is provided, restriction shock insulation pad continues the occurred level displacement.
Claims (5)
- One kind can be spacing the assembly type rubber vibration isolation cushion, comprise upper head plate (1), limit stick (2), steel plate unit (3), bottom plate (4) and rubber vibration isolation unit (5), it is characterized in that steel plate unit (3) stacks composition intermediate laminate steel plate successively, the center of intermediate laminate steel plate has spacing hole (7), intermediate laminate steel plate center symmetric arrangement has bolt hole (6), be provided with rubber vibration isolation unit (5) between the adjacent steel plate (3), rubber vibration isolation unit (5) are positioned at this bolt hole (6) and locate; The top of intermediate laminate steel plate is placed with upper head plate (1), the bottom is placed with bottom plate (4), have anchor hole (8) and bolt hole (6) around upper head plate (1) and the bottom plate (4), intermediate laminate steel plate and be provided with rubber vibration isolation unit (5) up and down between the end plate, rubber vibration isolation unit (5) are positioned at this bolt hole (6) and locate; The center of bottom plate (4) has screw (9), and limit stick (2) one ends insert the spacing hole (7) of intermediate laminate steel plate (3) and the screw of bottom plate (4) successively, and are fixed in bottom plate (4).
- 2. assembly type rubber vibration isolation cushion that can be spacing according to claim 1 is characterized in that limit stick) 2) and spacing hole (7) hole wall of intermediate laminate steel plate between leave certain clearance.
- 3. assembly type rubber vibration isolation cushion that can be spacing according to claim 1 is characterized in that leaving certain interval between end of limit stick (2) and upper head plate (1) bottom.
- 4. assembly type rubber vibration isolation cushion that can be spacing according to claim 1 is characterized in that the screwhole diameter at bottom plate (4) center is consistent with limit stick (2) bottom section size.
- 5. assembly type rubber vibration isolation cushion that can be spacing according to claim 1 is characterized in that limit stick (2) cross section diminishes from bottom to top gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010117447A CN101839026A (en) | 2010-03-04 | 2010-03-04 | Package-type rubber vibration isolation cushion with limit function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010117447A CN101839026A (en) | 2010-03-04 | 2010-03-04 | Package-type rubber vibration isolation cushion with limit function |
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| CN101839026A true CN101839026A (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010117447A Pending CN101839026A (en) | 2010-03-04 | 2010-03-04 | Package-type rubber vibration isolation cushion with limit function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182256A (en) * | 2011-03-16 | 2011-09-14 | 上海英谷桥梁科技有限公司 | High-damping rubber fluid viscoelastic damper and manufacturing method thereof |
| CN102951518A (en) * | 2011-08-25 | 2013-03-06 | 康力电梯股份有限公司 | Damping device for elevator car top wheels |
| CN104947822A (en) * | 2014-03-30 | 2015-09-30 | 美建建筑系统(中国)有限公司 | Anti-buckling energy consumption support |
| CN106193752A (en) * | 2016-09-06 | 2016-12-07 | 南京工业大学 | One is combined surrenders metal damper stage by stage |
| CN106931071A (en) * | 2017-04-28 | 2017-07-07 | 特变电工股份有限公司 | A kind of industrial equipment combined type shock isolating pedestal |
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| JPS62224750A (en) * | 1986-03-27 | 1987-10-02 | Bridgestone Corp | Multistage type earthquakeproof and vibrationproof supporting device |
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| CN1339642A (en) * | 2000-08-25 | 2002-03-13 | 汕头和泰隔震器材有限公司 | Method for producing laminated rubber vibration isolation device |
| JP2004036648A (en) * | 2002-06-28 | 2004-02-05 | Bridgestone Corp | Base isolation structure |
| JP2006226417A (en) * | 2005-02-17 | 2006-08-31 | Oiles Ind Co Ltd | Multilayered rubber bearing having hardening characteristic |
| CN201381560Y (en) * | 2009-04-21 | 2010-01-13 | 西安达盛隔震技术有限公司 | Shock insulation rubber bearing for floor slab |
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2010
- 2010-03-04 CN CN201010117447A patent/CN101839026A/en active Pending
Patent Citations (6)
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| JPS62224750A (en) * | 1986-03-27 | 1987-10-02 | Bridgestone Corp | Multistage type earthquakeproof and vibrationproof supporting device |
| CN2310093Y (en) * | 1997-07-03 | 1999-03-10 | 赵斌 | Viscous damping laminated-layer rubber support base |
| CN1339642A (en) * | 2000-08-25 | 2002-03-13 | 汕头和泰隔震器材有限公司 | Method for producing laminated rubber vibration isolation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182256A (en) * | 2011-03-16 | 2011-09-14 | 上海英谷桥梁科技有限公司 | High-damping rubber fluid viscoelastic damper and manufacturing method thereof |
| CN102182256B (en) * | 2011-03-16 | 2012-12-19 | 上海英谷桥梁科技有限公司 | High-damping rubber fluid viscoelastic damper and manufacturing method thereof |
| CN102951518A (en) * | 2011-08-25 | 2013-03-06 | 康力电梯股份有限公司 | Damping device for elevator car top wheels |
| CN104947822A (en) * | 2014-03-30 | 2015-09-30 | 美建建筑系统(中国)有限公司 | Anti-buckling energy consumption support |
| CN104947822B (en) * | 2014-03-30 | 2018-01-09 | 美建建筑系统(中国)有限公司 | Buckling-restrained energy-dissipation |
| CN106193752A (en) * | 2016-09-06 | 2016-12-07 | 南京工业大学 | One is combined surrenders metal damper stage by stage |
| CN106931071A (en) * | 2017-04-28 | 2017-07-07 | 特变电工股份有限公司 | A kind of industrial equipment combined type shock isolating pedestal |
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Application publication date: 20100922 |