CN100398396C - Method for resisting float ice vibration of above-water platform and equipment dedicated therefor - Google Patents
Method for resisting float ice vibration of above-water platform and equipment dedicated therefor Download PDFInfo
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- CN100398396C CN100398396C CNB2006100813727A CN200610081372A CN100398396C CN 100398396 C CN100398396 C CN 100398396C CN B2006100813727 A CNB2006100813727 A CN B2006100813727A CN 200610081372 A CN200610081372 A CN 200610081372A CN 100398396 C CN100398396 C CN 100398396C
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Abstract
The present invention discloses a method for resisting ice vibrations of a waterborne platform and a special device thereof. The method is characterized in that a device for resisting ice vibrations of a waterborne platform is arranged near the water surface of leg columns of the waterborne platform and comprises ice breaking cones outside the leg columns of the waterborne platform and a vibration isolating and absorbing device arranged between the ice breaking cones and the leg columns. After the method for resisting ice vibrations and the special device are adopted, because the vibration isolating and absorbing device is arranged between the ice breaking cones and the leg columns, ice force load born by an ocean platform is attenuated by the device and acts on a platform structure then, and the effective vibration isolating and absorbing effect can be achieved by selecting parameters properly. The present invention has simple implement, does not change the original design of the platform basically and can solve the ice vibration resisting problem of the existing platforms after the installation of the special device on an old platform. Besides, an encapsulation device arranged between the leg columns and the inner walls of the ice breaking cones can the internal vibration isolating and absorbing device from the corrosion of sea water to extend service life.
Description
Technical field
The present invention relates to the anti-ice method of slight and the specialized equipment of above water platform, particularly relate to and a kind ofly can not change the original design of platform and the effectively anti-ice method of slight and the specialized equipment of the above water platform of vibration damping substantially.
Background technology
The above water platform of cold district (especially platform) can be subjected to the effect of glacial ice, is example with China Bohai Sea, and this effect can cause the vibration of above water platform.When comprising in the frequency spectrum of this effect or more can causing flat-bed steady-state vibration during near free vibration period of structure, accelerate the flat-bed fatigue failure and influence normal life and the work of personnel on the platform, therefore should be as much as possible when construct platform alleviate ice and carry the flat-bed vibration that causes by improving design.The way that has at present is the vibration isolation technique that adopts in the resemble construction, with the certain position below the platform spar deck with under foundation utilize rubber vibration insulating pad to isolate, intercept the high frequency pumping of bottom section.This mode has certain vibration isolating effect, but since structure such as riser pipe can not be cut off, therefore this antivibration mode sometimes difficulty reach ideal effect.Therefore, a kind of platform ice year device that can overcome above-mentioned contradiction will be a kind of technology that has using value of platform antivibration aspect.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can not change the original design of platform and the effectively anti-ice method of slight and the specialized equipment of the above water platform of vibration damping substantially.
For achieving the above object, specialized equipment provided by the present invention is: a kind of anti-ice vibrating device of above water platform, it includes one and is arranged on the outer awl that opens ice of above water platform leg post, and is arranged on the leg post and the vibration isolation and damping device between boring of opening ice.
In practical operation, the described awl that opens ice is arranged near the water surface of above water platform leg post, and promptly horizontal surface is up and down in the tidal level variation range.In addition, described leg post and opening ice is provided with between the conical inner surface in order to prevent the packaging system of marine denudation interior arrangement; This assembling device is water proof rubber or resilient High molecular material.
In the anti-ice vibrating device of above-mentioned above water platform, described vibration isolation and damping device is isolation spring or damper.Specifically, this vibration isolation and damping device is for adopting the steel-wire isolator of rubber encapsulation, and it includes: pedestal, be fixed in the vibration damping steel rope on the pedestal, and the rubber of vibration damping steel rope outer package.
The anti-ice method of slight of above water platform provided by the present invention is: near the anti-ice vibrating device that above-mentioned above water platform is installed the water surface of platform leg post on the water.
The present invention is owing to take above design, and it has the following advantages:
1, behind employing the present invention, because flat-bed opens ice and between awl and the leg post vibration isolation and damping device is set on the water, therefore the suffered ice load of platform will be by acting on the platform structure after the decay of vibration isolation and damping device, by the parameter of suitable selecting arrangement, can reach actv. vibration damping, vibration isolating effect.
2, the invention process is simple, can not change the original design of platform substantially, even can carry out the back on legacy platform the anti-problem of shaking of icing of existing flat-bed that solves is installed.
3, the present invention can prevent marine denudation in-to-in vibration isolation and damping device at the leg post and open ice and be provided with packaging system between the conical inner surface, improves service life.
Description of drawings
Fig. 1 is a sectional structure scheme drawing of the present invention;
Fig. 2 is a plan structure scheme drawing of the present invention;
Fig. 3 is the structural representation of the steel-wire isolator of employing rubber encapsulation among the present invention.
The specific embodiment
Please as shown in Figure 1 and Figure 2, be the anti-ice vibrating device of a kind of above water platform provided by the present invention, it mainly includes one and is arranged on outer the opening ice awl 2 of above water platform leg post 1, and is arranged on leg post 1 and bores vibration isolation and damping device 3 between 2 with opening ice.Specifically, for make the awl 2 that opens ice can actv. contact ice face, therefore, the awl 2 that opens ice will be arranged near the water surface of above water platform leg post 1, promptly horizontal surface is up and down in the tidal level variation range.Awl 2 the inner wall shape that opens ice can determine according to the geometric configuration of vibration isolation and damping device 3, and the outer wall shape of the awl 2 that opens ice can be traditional coniform, also can adopt other shape, as the icebreaker shape etc.The described awl 2 that opens ice is non-ly can be fixed on the leg post 1 by vibration isolation and damping device 3 when coniform at its outside face, and also can making the awl 2 that opens ice serve as an axle rotation with leg post 1.
In order to prevent marine denudation vibration isolation and damping device 3, leg post 1 and opening ice is provided with in order to prevent the packaging system (not shown) of marine denudation interior arrangement between awl 2 inwalls.This packaging system can be water proof rubber or resilient High molecular material.
In addition, above-mentionedly state vibration isolation and damping device 3 and can be isolation spring or damper.Specifically, as shown in Figure 3, vibration isolation and damping device 3 is for adopting the steel-wire isolator of rubber encapsulation, and it includes: pedestal 31, be fixed in the vibration damping steel rope 32 on the pedestal 31, and the rubber 33 of vibration damping steel rope 32 outer packages.During installation, pedestal 31 is fixed on the leg post 1, rubber 32 is fixed on the awl 2 that opens ice.
The anti-ice method of slight of above water platform provided by the present invention is: near the anti-ice vibrating device that above-mentioned above water platform is installed the water surface of platform leg post on the water.
After adopting anti-ice method of slight of the present invention and specialized equipment, because flat-bed opens ice and between awl 2 and the leg post 1 vibration isolation and damping device 3 is set on the water, therefore the suffered ice load of platform will be by acting on the platform structure after 3 decay of vibration isolation and damping device, by the parameter of suitable selecting arrangement, can reach actv. vibration damping, vibration isolating effect.The invention process is simple, can not change the original design of platform substantially, even can carry out the back on legacy platform the anti-problem of shaking of icing of existing flat-bed that solves is installed.In addition, be provided with packaging system between 2 inwalls, can prevent marine denudation in-to-in vibration isolation and damping device, improve service life at the leg post 1 and the awl that opens ice.
Claims (3)
1. the anti-ice vibrating device of an above water platform is characterized in that: it includes one and is arranged on the outer awl that opens ice of above water platform leg post, and is arranged on the leg post and the vibration isolation and damping device between boring of opening ice; Described vibration isolation and damping device is for adopting the steel-wire isolator of rubber encapsulation, and it includes: pedestal, be fixed in the vibration damping steel rope on the pedestal, and the rubber of vibration damping steel rope outer package.
2. the anti-ice vibrating device of above water platform according to claim 1 is characterized in that: the described awl that opens ice is arranged near the water surface of above water platform leg post, and promptly horizontal surface is up and down in the tidal level variation range.
3. the anti-ice method of slight of an above water platform is characterized in that: near the anti-ice vibrating device that above water platform as claimed in claim 1 or 2 is installed the water surface of platform leg post on the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100813727A CN100398396C (en) | 2006-05-22 | 2006-05-22 | Method for resisting float ice vibration of above-water platform and equipment dedicated therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100813727A CN100398396C (en) | 2006-05-22 | 2006-05-22 | Method for resisting float ice vibration of above-water platform and equipment dedicated therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1843840A CN1843840A (en) | 2006-10-11 |
| CN100398396C true CN100398396C (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100813727A Active CN100398396C (en) | 2006-05-22 | 2006-05-22 | Method for resisting float ice vibration of above-water platform and equipment dedicated therefor |
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| CN102635102B (en) * | 2012-04-27 | 2014-12-10 | 浙江海洋学院 | Deicing device for pile leg of offshore work platform |
| CN105568946B (en) * | 2015-12-29 | 2018-03-30 | 中国电建集团中南勘测设计研究院有限公司 | Construction of structures ice breaking structure in water with vacuum chamber |
| CN105421322B (en) * | 2015-12-29 | 2018-04-10 | 中国电建集团中南勘测设计研究院有限公司 | A kind of ice breaking structure of jacket |
| CN105568947B (en) * | 2015-12-29 | 2017-09-22 | 中国电建集团中南勘测设计研究院有限公司 | Jacket ice breaking structure with vacuum chamber |
| CN106014260B (en) * | 2016-06-17 | 2018-08-14 | 泉州力亮贸易有限公司 | A kind of offshore drilling equipment of low vibrations |
| CN106284266B (en) * | 2016-10-14 | 2018-05-18 | 中国能源建设集团江苏省电力设计院有限公司 | A kind of anti-ice for the support of water surface photovoltaic pushes away system |
| CN107672758B (en) * | 2017-09-29 | 2019-04-09 | 大连理工大学 | A kind of ice formation nuclear power platform |
| CN110040223A (en) * | 2018-01-15 | 2019-07-23 | 中集海洋工程研究院有限公司 | Iceproof semisubmersible platform |
| CN109850086B (en) * | 2019-03-20 | 2020-01-03 | 鲁东大学 | Floating type sea wave resistant stabilizing device for offshore platform |
| CN110080952B (en) * | 2019-06-05 | 2020-07-07 | 重庆大学 | Offshore wind turbine foundation device |
| AU2020281167B2 (en) * | 2019-07-20 | 2022-01-06 | Dalian University Of Technology | Connecting mechanism for connecting separated nuclear power platform in ice region |
| CN117513400B (en) * | 2023-11-08 | 2024-08-09 | 江苏科技大学 | Offshore wind power foundation with anti-icing and anti-vibration functions and anti-vibration method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952527A (en) * | 1972-12-11 | 1976-04-27 | Vinieratos Edward R | Offshore platform for arctic environments |
| US4103504A (en) * | 1977-10-07 | 1978-08-01 | Ehrlich Norman A | Offshore platform for ice-covered waters |
| JPS56150211A (en) * | 1980-04-23 | 1981-11-20 | Mitsui Eng & Shipbuild Co Ltd | Platform for ice-covered sea |
| CN2581320Y (en) * | 2002-10-22 | 2003-10-22 | 欧进萍 | Fixed guide tube support type marine platform vibration isolating device |
| CN2777039Y (en) * | 2004-10-22 | 2006-05-03 | 天津海王星海上工程技术有限公司 | Automatic lifting/lowering cone type ice-breaking equipment |
| CN2797440Y (en) * | 2004-12-10 | 2006-07-19 | 天津市海王星海上工程技术有限公司 | Self-lift pressing head vibrator ice isolation vibration device |
-
2006
- 2006-05-22 CN CNB2006100813727A patent/CN100398396C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952527A (en) * | 1972-12-11 | 1976-04-27 | Vinieratos Edward R | Offshore platform for arctic environments |
| US4103504A (en) * | 1977-10-07 | 1978-08-01 | Ehrlich Norman A | Offshore platform for ice-covered waters |
| JPS56150211A (en) * | 1980-04-23 | 1981-11-20 | Mitsui Eng & Shipbuild Co Ltd | Platform for ice-covered sea |
| CN2581320Y (en) * | 2002-10-22 | 2003-10-22 | 欧进萍 | Fixed guide tube support type marine platform vibration isolating device |
| CN2777039Y (en) * | 2004-10-22 | 2006-05-03 | 天津海王星海上工程技术有限公司 | Automatic lifting/lowering cone type ice-breaking equipment |
| CN2797440Y (en) * | 2004-12-10 | 2006-07-19 | 天津市海王星海上工程技术有限公司 | Self-lift pressing head vibrator ice isolation vibration device |
Also Published As
| Publication number | Publication date |
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| CN1843840A (en) | 2006-10-11 |
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Address after: 100027 Beijing city Chaoyang District East Third Ring Road No. 2 building comba Patentee after: CNOOC Research Institute Patentee after: China National Offshore Oil Corporation Address before: 100027 Beijing city Chaoyang District East Third Ring Road No. 2 building comba Patentee before: CNOOC Research Center Patentee before: China National Offshore Oil Corporation |
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Address after: Floor 14, floor No. 2, No. 6, South Street, Sun Palace, Beijing, Beijing Co-patentee after: China Offshore Oil Group Co., Ltd. Patentee after: CNOOC research institute limited liability company Address before: 100027 Beijing city Chaoyang District East Third Ring Road No. 2 building comba Co-patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Institute |
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