CN101942868B - Viscous damping limiting method with limiting device and viscous damper - Google Patents
Viscous damping limiting method with limiting device and viscous damper Download PDFInfo
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- CN101942868B CN101942868B CN2010102935299A CN201010293529A CN101942868B CN 101942868 B CN101942868 B CN 101942868B CN 2010102935299 A CN2010102935299 A CN 2010102935299A CN 201010293529 A CN201010293529 A CN 201010293529A CN 101942868 B CN101942868 B CN 101942868B
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- viscous damper
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- stopping means
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Abstract
The invention discloses a viscous damping limiting method with a limiting device; the limiting device is arranged between a left ear ring and a right ear ring at one side of a conventional viscous damper; the viscous damper is limited through the limiting device when the static load deformation thereof exceeds the design stroke; the limiting device is in an elastic rubber block structure; and the elastic rubber block structure is connected with a piston rod at one end of the viscous damper, and performs the limiting function through the compression of the elastic rubber block when the static load deformation of the viscous damper exceeds the design stroke. The invention has the effects of improving the dynamic response to the structure and generating the limit resistance to the excessive displacement of the structure. Compared with the prior art, the invention has simple structure, and saves cost and installation space.
Description
Technical field
The present invention relates to a kind of elastic damping element, is the viscous damper that a kind of set inside has stopping means specifically, and stopping means is used to provide the axial static(al) of viscous damper spacing power, belongs to vibration damping anti-seismic technology field.
Background technology
Viscous damper is a kind of no rigidity, velocity correlation type damper, is used in mainly that bridge, house, industrial construction etc. are large-scale, on the high building structure, the destructive energy that be used for dissipating earthquake, strong wind etc. bring.Because the damping force of viscous damper is velocity dependent; So it is also insensitive to the low speed static load that is caused by variations in temperature, automobile brake etc.; Malformation to causing does not thus have damping action, and the if structure distortion exceeds the design displacement, and structure just possibly destroyed.
The spacing technology of existing viscous damper is in damper set inside steel spring unit, and structure is complicated, and it is bigger to take up room.Therefore necessary this is improved.
Summary of the invention
The purpose of patent of the present invention is exactly in order to overcome the defective that above-mentioned existing viscous damper exists, and provides a kind of simple in structure, and tape spool is to the viscous damper of stopping means.This viscous damper not only can provide essential damping force, and the huge energy of the outside input structure that dissipates can also provide certain spacing power of static(al), with the structure excess displacement that prevents to be caused by static load.
For reaching above purpose; The present invention realizes through following technical scheme: a kind of viscous damping limit method with stopper; Comprise conventional viscous damper; Side at the viscous damper of routine is provided with a stopping means between left earrings and the auris dextra ring, carry out spacing when distortion surpasses design runlength to the viscous damper static load through stopping means.Described stopping means is the elastic caoutchouc block structure, and a piston rod of elastic block rubber structure and viscous damper links together, and can be when viscous damper static load distortion surpasses design runlength, and the compression through elastic block rubber plays position-limiting action.
The viscous damper with stopper that is proposed according to above-mentioned a kind of viscous damping limit method with stopper is: a kind of viscous damper with stopper; Comprise left earrings, auris dextra ring, left end cap, right end cap, piston rod I, piston rod II, piston, resistance cylinders, resisting medium; Described left earrings is connected with the piston rod I; The piston rod I is arranged at the piston left side; The piston rod II is arranged at the piston right side, and described piston radial is arranged at resistance cylinders inside, and described left end cap, right end cap are arranged at the left and right end portions of resistance cylinders respectively; Described resisting medium is arranged in the seal cavity of left end cap, right end cap and resistance cylinders composition, and by the piston separated into two parts.It is characterized in that; Side at viscous damper; Between left side earrings and the auris dextra ring stopping means is set, described stopping means is the elastic caoutchouc block structure, and a piston rod of elastic caoutchouc block structure and viscous damper links together; And can be when viscous damper static load distortion surpasses design runlength, the compression through elastic block rubber plays position-limiting action.Described elastic caoutchouc block structure is to be positioned at spacing cylinder body; Spacing cylinder body two ends are connected with the auris dextra ring with resistance cylinders respectively; The elastic caoutchouc block structure comprises block rubber, left clamping plate, right clamping plate, mandrel; Block rubber is arranged between left clamping plate and the right clamping plate, is enclosed within on the mandrel with left clamping plate and right clamping plate, and can be in the promotion lower compression of left clamping plate or right clamping plate; Mandrel docks with the part in the piston rod II extends to spacing cylinder body, is connected as a single entity; The elastic caoutchouc block structure is by the stop nut stationary positioned.The requirement of spacing rigidity of structure and spacing displacement is satisfied in the making of described block rubber.
In the design runlength of viscous damper, damper of the present invention is the same with common damper, through the mobile generation damping force and the dissipation energy of resisting medium.In the case, stopping means does not contact with end cap, earrings, and compressive strain does not take place block rubber, and stopping means is not worked.When viscous damper received tensile force, left earrings drove piston rod I, piston, piston rod II to left movement, when malformation surpasses design runlength; Left side clamping plate contact with right end cap; Block rubber begins to be compressed, and block rubber compressive strain produces resistance, plays the position-limiting action of draw direction; In like manner, when viscous damper is compressed power, when malformation surpasses design runlength, right clamping plate and auris dextra loop contacts, block rubber also can compressive deformation generation resistance, plays the position-limiting action of compression direction.
The present invention has dynamic response that improves structure and the effect that displacement produces spacing resistance to the structure excess.The technological innovation aspect; Spacing technology to existing viscous damper is improved; Mainly be to have changed the stopping means of existing viscous damper through the technology that spring unit produces position-limiting action is set, the installation of block rubber is more convenient than spring, and the space that needs is also less; Therefore simplify the structure, practiced thrift space and cost.Damping system of the present invention and caging system are to work alone, and be non-interfering, satisfied the spacing requirement of static(al) of structure well.Stopping means of the present invention, block rubber wherein itself is exactly the rubber spring element, compares steel spring, has the more superior absorption impact and the ability of dissipation energy.
Description of drawings
Fig. 1 is the structural representation of invention.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention is at length explained.
Can find out from accompanying drawing 1; The present invention relates to a kind of viscous damping limit method of viscous damper with stopper; Comprise conventional viscous damper; Side at the viscous damper of routine is provided with a stopping means between left earrings and the auris dextra ring, carry out spacing when distortion surpasses design runlength to the viscous damper static load through stopping means.Described stopping means is the elastic caoutchouc block structure, and a piston rod of elastic caoutchouc block structure and viscous damper links together, and can be when viscous damper static load distortion surpasses design runlength, and the compression through elastic block rubber plays position-limiting action.
The present invention is in the design runlength of viscous damper, and just conventional viscous damper works, through the mobile generation damping force and the dissipation energy of resisting medium.In the case, stopping means does not contact with earrings with end cap, and compressive strain does not take place elastic block rubber, and stopping means is not worked.When viscous damper receives tensile force; Left side earrings 1 drives piston rod I 2, piston 6, piston rod II 7 to left movement; When the distortion of structure static load surpassed design runlength, left clamping plate 10 contacted with right end cap 8, and block rubber 11 begins to be compressed; Block rubber 11 compressive strains produce resistance, play the position-limiting action of draw direction; In like manner, when viscous damper is compressed power, when the structure static load surpassed design runlength, right clamping plate 12 contacted with auris dextra ring 14, and block rubber 11 also can compressive deformation generation resistance, played the position-limiting action of compression direction.
Viscous damper with stopper of the present invention is as shown in Figure 1; Comprise left earrings 1, piston rod I 2, left end cap 3, resisting medium 4, resistance cylinders 5, piston 6, piston rod II 7, right end cap 8, auris dextra ring 14; Described left earrings 1 is connected with piston rod I 2, and piston rod I 2 is arranged at piston 6 left sides, and piston rod II 7 is arranged at piston 6 right sides; Described piston 6 radially is arranged at resistance cylinders 5 inside; Described left end cap 3, right end cap 8 are arranged at the left and right end portions of resistance cylinders 5 respectively, and described resisting medium 4 is arranged in the seal cavity that left end cap 3, right end cap 8 and resistance cylinders 5 form, and by piston 6 separated into two parts.It is characterized in that; Side at viscous damper; Between left side earrings 1 and the auris dextra ring 14 stopping means 15 is set, described stopping means 15 is the elastic caoutchouc block structure, and a piston rod II 7 of elastic caoutchouc block structure and viscous damper links together; And can be when viscous damper static load distortion surpasses design runlength, the compression of the elastic block rubber through stopping means 15 plays position-limiting action.Described elastic caoutchouc block structure is to be positioned at spacing cylinder body 9; Spacing cylinder body 9 two ends are connected with auris dextra ring 14 with resistance cylinders 5 respectively; The elastic caoutchouc block structure comprises block rubber 11, left clamping plate 10, right folder 12 plates, mandrel 16; Block rubber 11 is arranged between left clamping plate 10 and the right clamping plate 12, is enclosed within on the mandrel 16 with right clamping plate 12 with left clamping plate 10, and can be in the promotion lower compression of left clamping plate 10 or right clamping plate 12; Mandrel 16 docks with the part in piston rod II 7 extends to spacing cylinder body, is connected as a single entity; The elastic caoutchouc block structure is by stop nut 13 stationary positioned.The requirement of spacing rigidity of structure and spacing displacement is satisfied in the making of described block rubber 11.The rigidity of described stopping means is provided by block rubber.
In the design runlength of viscous damper, damper of the present invention is the same with common damper, through the mobile generation damping force and the dissipation energy of resisting medium.In the case, stopping means does not contact with earrings with end cap, and compressive strain does not take place block rubber 11, and stopping means is not worked.When viscous damper receives tensile force; Left side earrings 1 drives piston rod I 2, piston 6, piston rod II 7 to left movement; When the distortion of structure static load surpassed design runlength, left clamping plate 10 contacted with right end cap 8, and block rubber 11 begins to be compressed; Block rubber 11 compressive strains produce resistance, play the position-limiting action of draw direction; In like manner, when viscous damper is compressed power, when the structure static load surpassed design runlength, right clamping plate 12 contacted with auris dextra ring 14, and block rubber 11 also can compressive deformation generation resistance, played the position-limiting action of compression direction.
The resistance of block rubber 11 and loading velocity are irrelevant, and be only relevant with the malformation position.In order to guarantee that effective deformation is controlled in the scope of design, the rigidity of block rubber 11 can be according to the design Selection that concerns of load and distortion.
Block rubber in the described stopping means can or all be bonded into one through one of sulfuration or manual bonding way and left clamping plate, right clamping plate.
Can fill other material in the described block rubber, like plastics, cord, metal sheet etc., to improve the spacing performance of stopping means.
The present invention has dynamic response that improves structure and the effect that displacement produces spacing resistance to the structure excess.The technological innovation aspect; Spacing technology to existing viscous damper is improved; Mainly be to have changed the stopping means of existing viscous damper through the technology that spring unit produces position-limiting action is set, the installation of block rubber is more convenient than spring, and the space that needs is also less; Therefore simplify the structure, practiced thrift cost and installing space.
Claims (7)
1. viscous damping limit method with stopper; Comprise conventional viscous damper; Side at the viscous damper of routine is provided with a stopping means between left earrings and the auris dextra ring, carry out spacing when distortion surpasses design runlength to the viscous damper static load through stopping means; It is characterized in that: described stopping means is the elastic caoutchouc block structure; A piston rod II of elastic caoutchouc block structure and viscous damper links together; And can be when viscous damper static load distortion surpasses design runlength, the compression through elastic block rubber plays position-limiting action; In the design runlength of viscous damper, just conventional viscous damper works, through the mobile generation damping force and the dissipation energy of resisting medium; In the case, stopping means does not contact with earrings with end cap, and compressive strain does not take place elastic block rubber, and stopping means is not worked; When viscous damper receives tensile force; Left side earrings drives piston rod I, piston, piston rod II to left movement; When the distortion of structure static load surpassed design runlength, left clamping plate contacted with right end cap, and block rubber begins to be compressed; Block rubber compressive strain produces resistance, plays the position-limiting action of draw direction; In like manner, when viscous damper is compressed power, when the distortion of structure static load surpasses design runlength, right clamping plate and auris dextra loop contacts, block rubber also can compressive deformation generation resistance, plays the position-limiting action of compression direction.
2. viscous damper with stopper; Comprise left earrings, auris dextra ring, left end cap, right end cap, piston rod I, piston rod II, piston, resistance cylinders, resisting medium; Described left earrings is connected with the piston rod I, and the piston rod I is arranged at the piston left side, and the piston rod II is arranged at the piston right side; Described piston radial is arranged at resistance cylinders inside; Described left end cap, right end cap are arranged at the left and right end portions of resistance cylinders respectively, and described resisting medium is arranged in the seal cavity of left end cap, right end cap and resistance cylinders composition, and by the piston separated into two parts; It is characterized in that: in a side of viscous damper; Between left side earrings and the auris dextra ring stopping means is set; Described stopping means is the elastic caoutchouc block structure; A piston rod II of elastic caoutchouc block structure and viscous damper links together, and can be when viscous damper static load distortion surpasses design runlength, and the compression through elastic block rubber plays position-limiting action; Described elastic caoutchouc block structure is to be positioned at spacing cylinder body; Spacing cylinder body two ends are connected with the auris dextra ring with resistance cylinders respectively; The elastic caoutchouc block structure comprises block rubber, left clamping plate, right clamping plate, mandrel; Block rubber is arranged between left clamping plate and the right clamping plate, is enclosed within on the mandrel with left clamping plate and right clamping plate, and can be in the promotion lower compression of left clamping plate or right clamping plate; Mandrel docks with the part in the piston rod II extends to spacing cylinder body, is connected as a single entity.
3. viscous damper with stopper according to claim 4 is characterized in that: described elastic caoutchouc block structure is by the stop nut stationary positioned.
4. viscous damper with stopper according to claim 5 is characterized in that: the requirement of spacing rigidity of structure and spacing displacement is satisfied in the making of described block rubber.
5. viscous damper with stopper according to claim 5 is characterized in that: the block rubber in the described stopping means, and through one of sulfuration or manual bonding way and left clamping plate, right clamping plate or all be bonded into one.
6. viscous damper with stopper according to claim 5 is characterized in that: be filled with plastics, cord or metal sheet in the described block rubber, to improve the spacing performance of stopping means.
7. viscous damper with stopper according to claim 5 is characterized in that: the rigidity of described stopping means is provided by block rubber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102935299A CN101942868B (en) | 2010-09-28 | 2010-09-28 | Viscous damping limiting method with limiting device and viscous damper |
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| CN2010102935299A CN101942868B (en) | 2010-09-28 | 2010-09-28 | Viscous damping limiting method with limiting device and viscous damper |
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| CN101942868A CN101942868A (en) | 2011-01-12 |
| CN101942868B true CN101942868B (en) | 2012-02-29 |
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Families Citing this family (14)
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| CN102345279B (en) * | 2011-10-25 | 2013-12-18 | 中国水电顾问集团华东勘测设计研究院 | Gate pier connection structure of marine construction in high seismic intensity region and construction method thereof |
| CN103758032B (en) * | 2014-02-11 | 2015-12-09 | 株洲时代新材料科技股份有限公司 | A kind of hydraulic damping device at vertical axial with sliding function |
| CN104481047B (en) * | 2014-12-08 | 2016-06-08 | 湖南科技大学 | The speed displacement external adjustable type viscous damper of two lock |
| CN105386729B (en) * | 2015-11-03 | 2017-08-25 | 河北博路天宝石油设备制造有限公司 | The adjustable shock-adsorber for swab rod of damping value |
| CN105909716A (en) * | 2016-06-29 | 2016-08-31 | 常州工邦减振设备有限公司 | Novel viscous fluid damper |
| CN106703494B (en) * | 2017-01-18 | 2020-06-02 | 南京大德减震科技有限公司 | Displacement limiter for damper |
| CN108222307A (en) * | 2018-01-15 | 2018-06-29 | 东南大学 | One kind can make structure realize self-centering damper |
| CN109056516B (en) * | 2018-09-25 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Restraint system of railway suspension bridge girder steel |
| CN109404477A (en) | 2018-11-21 | 2019-03-01 | 沈阳建筑大学 | A kind of SMA spring-STF viscous damper |
| CN109722983B (en) * | 2019-02-28 | 2022-06-17 | 广东省交通规划设计研究院集团股份有限公司 | Viscous damper and bridge |
| CN111577811A (en) * | 2020-05-28 | 2020-08-25 | 湖南万润建设科技有限公司 | Viscous damper |
| CN112855828B (en) * | 2020-12-30 | 2022-07-15 | 哈尔滨工业大学 | Shock absorption damper for high-pile wharf |
| CN113914498B (en) * | 2021-11-29 | 2022-10-25 | 同济大学 | Displacement limiting damping device for self-reset function |
| CN114110069A (en) * | 2021-12-14 | 2022-03-01 | 哈尔滨工业大学 | Viscous damper based on metal rubber and viscous damper based on shape memory alloy wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374697Y (en) * | 1999-06-18 | 2000-04-19 | 王鲁钧 | Anti-shock high molecular oil damper |
| CN2818612Y (en) * | 2005-07-22 | 2006-09-20 | 北京工业大学 | Self-resetting protected and shock-absorbing endergonic bearing of variable curve coefficient |
| CN101178108A (en) * | 2007-12-10 | 2008-05-14 | 郭孔辉 | Hydraulic locating type damping changing impact damper |
| CN101315112A (en) * | 2008-07-22 | 2008-12-03 | 上海材料研究所 | Viscous damping device with axial position limiter |
-
2010
- 2010-09-28 CN CN2010102935299A patent/CN101942868B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374697Y (en) * | 1999-06-18 | 2000-04-19 | 王鲁钧 | Anti-shock high molecular oil damper |
| CN2818612Y (en) * | 2005-07-22 | 2006-09-20 | 北京工业大学 | Self-resetting protected and shock-absorbing endergonic bearing of variable curve coefficient |
| CN101178108A (en) * | 2007-12-10 | 2008-05-14 | 郭孔辉 | Hydraulic locating type damping changing impact damper |
| CN101315112A (en) * | 2008-07-22 | 2008-12-03 | 上海材料研究所 | Viscous damping device with axial position limiter |
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