CN105756029A - Ice-resistant device applicable to polar ice zone ocean platform - Google Patents
Ice-resistant device applicable to polar ice zone ocean platform Download PDFInfo
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- CN105756029A CN105756029A CN201610265842.9A CN201610265842A CN105756029A CN 105756029 A CN105756029 A CN 105756029A CN 201610265842 A CN201610265842 A CN 201610265842A CN 105756029 A CN105756029 A CN 105756029A
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- ice
- ocean platform
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- polar region
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0017—Means for protecting offshore constructions
- E02B17/0021—Means for protecting offshore constructions against ice-loads
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses an ice-resistant device applicable to a polar ice zone ocean platform.The ice-resistant device comprises a self-adaptive tide floating type self-elevating device and a structure strengthening device, the structure strengthening device is located above the self-adaptive tide floating type self-elevating device and comprises a circular-cone-shaped lower cone, multiple wave absorbing holes are formed in the lower cone, a first partition plate is arranged on the inner side of the lower cone and connected with a second partition plate through multiple inclined struts which are mutually connected in a staggered mode, multiple damping devices are connected between the first partition plate and the second partition plate, and the second partition plate is arranged on a stand column in a sleeving mode.According to the ice-resistant device applicable to the polar ice zone ocean platform, by means of the damping device, the self-adaptive tide floating type self-elevating device and the structure strengthening device, damping and strength requirements of the structure can be effectively strengthened, and meanwhile the ice-resistant effect can be flexibly carried out by adapting to rising or falling of the tide water level.
Description
Technical field
The present invention relates to the ice resistant device suitable in marine site, ice formation, polar region ocean platform, belong to ice resistant device field.
Background technology
Development along with ocean engineering technology, there is a growing awareness that the importance that sea frock is standby, wherein the safety of offshore engineering structure is mostly important, and the reliability of its offshore engineering structure is to ensure that one of important indicator of its normal production operation and existence, the safety issue of platform structure increasingly receives the concern of relevant party.There is wide resource in region, polar region, but also has complicated ice formation and atrocious weather simultaneously, and design and the construction of ocean platform are had great challenge by this.Arctic regions has the ice cube of molding or the unrestrained cloth of broken ice cube on the water surface or underwater winter throughout the year, and sea is all covered by ice and snow winter, summer, spacious water faced the impact of extreme wave often, and the height for different times waterline also can constantly change.Thus platform anti-ice performance it is critical that.
The ice resistant device in region, polar region is mainly distributed on the column of platform, and platform column is clashed into by the floating ice of any direction can, if insufficient strength will be broken, if intensity is enough, ice cube can be made broken and cause column produces enormous impact power and exciting force.When the ice raft swum on the water surface is struck anti-ice cone by around stormy waves stream action to column, ice raft can be transformed into bending failure by extruding destruction, thus the effect with trash ice that reaches to open ice.Although ice cube can crush, but the ice cube of fragmentation can be attached on works or owing to stormy waves stream second time column produces structural destruction, simultaneously as the rising of waterline that causes of tide or global warming or decline make column bear complex environment factor more.So the ice resistant device needs in region, polar region are a kind of at present the effect that can well slow down stormy waves stream column, can adapt to the difficulty of the caused anti-ice mode of changeable waterline simultaneously, and better ice raft is opened ice and makes ice cube little be attached on device and produce climbing.Meeting the polar region ice resistant device of requirements above thus is be all extremely good selection economy or the stability of structure.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of ice resistant device suitable in marine site, ice formation, polar region ocean platform, certainly device and structural strengthening device is risen by damping device and self adaptation tide floating, can the bradyseism of reinforcement structure and requirement of strength effectively, can adapt to the rising of tidal level simultaneously or decline and implement anti-ice effect flexibly.Not still good economy performance efficiency high and also need not the ordering about of artificial or power, reach better anti-ice effect.
Technical scheme: for solving above-mentioned technical problem, a kind of ice resistant device suitable in marine site, ice formation, polar region ocean platform of the present invention, including self adaptation tide self adaptation tide floating from rising device and structural strengthening device, described structural strengthening device is positioned at self adaptation tide self adaptation tide floating from rising above device, described structural strengthening device comprises the lower cone of circular cone shape, lower cone is provided with several wave absorption holes, the first dividing plate is set inside lower cone, first dividing plate is connected with second partition by several diagonal braces being crossed-over, several damping devices it are also associated with between first dividing plate and second partition, second partition is enclosed within column.
As preferably, described lower cone is also arranged above the upper cone of rounding frustum shape, and on upper cone, also distribution has several wave absorption holes, fixes with the first dividing plate and be connected inside upper cone.
As preferably, described damping device comprises cylinder, the first rubber and the second rubber, described cylinder is arranged on second partition by flange, first rubber and the second rubber are arranged on the first dividing plate by screw bolt and nut, first rubber and the second rubber are positioned at cylinder, first rubber and the second rubber are separated by fixing plate, and fixing plate is fixedly mounted on cylinder.
As preferably, described second partition inwall is provided with several rollers by backing plate, and second partition is moved up and down along column by roller.
As preferably, described wave absorption hole is angle is the hole of diamond shape of 65 °.
As preferably, being provided with such as dried layer horizontal fixed plate in described lower cone and upper cone, horizontal fixed plate is provided with the oval aperture that several horizontal size are identical.
As preferably, the percent opening of described oval aperture is 20%～30%.
As preferably, described self adaptation tide self adaptation tide floating comprises buoyancy tank from rising device and is positioned at the Elliptic Cylinder on buoyancy tank surface, and Elliptic Cylinder offers the aperture being not communicated with buoyancy tank.
As preferably, the top of described lower cone is provided with the tripping bracket that inclination angle is 60 °.
As preferably, the projection that some circles are oval on the first dividing plate, projection is between lower cone and upper cone.
Beneficial effect: the ice resistant device being applicable to marine site, ice formation, polar region ocean platform of the present invention, simple in construction, completely without power or artificial operation, and it is possible not only to the efficient effect that anti-ice opens ice completely, can also to big ripple billow when alleviate the damage of column, improve economy and the safety of ocean platform；Rubber shock-absorbing in damping device is possible not only to cushion most exciting force and can ensure that use and environmental protection are effective for a long time；Rhombus wave absorption hole in reinforcement structure device is possible not only to keep out the effect of big kohoona stream, it is also possible to the little trash ice left over after broken at ice raft, through diamond hole, then passes through the perforate on cone internal reinforcement flat board and gets rid of outside cone, makes to open ice more thorough；In self adaptation tide floating from rising in device by adopting buoyancy tank, utilize region tidal water buoyancy flexible adaptation anti-ice process under different conditions to buoyancy tank；The guide roller of dividing plate welding is possible not only to ensure the up and down motion of ice resistant structure, and will not damage column and bring the effect of unnecessary power.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the C portion zoomed-in view of Fig. 1.
Fig. 4 is the D portion amplification plan view of Fig. 1.
Fig. 5 is the top view of Fig. 1.
Fig. 6 is the structural representation of the use state of the present invention.
Fig. 7 is the structural representation of the another kind use state of the present invention.
Detailed description of the invention
As shown in Figures 1 to 5, including column 1, structural strengthening device 2 and damping device 3, self adaptation tide floating from rising device 4.Fig. 2 is by the sectional view of the A-A of Fig. 1, which show the component within structural strengthening device 2.Structural strengthening device 2 comprises the lower cone 8 of circular cone shape, is provided with several wave absorption holes 21 on lower cone 8, and the surface in its wave absorption hole is 65 ° of rhombus three-dimensional shapes, also can strengthen the efficiency opened ice while greatly reducing the resistance of incoming flow.Lower cone 8 surface surrounding can be provided with bracket 23 every one section, bracket 23 extends to bottom upper cone 7 from the top of upper cone 7, with bracket 23 fix be strengthen angle steel 24, left and right is respectively arranged with one and bracket 23 fixes and strengthens angle steel 24 lower end and is fixed on horizontal fixed plate 22, and there is the solid plate 22 of upper and lower two-layer level upper cone 7 and lower cone 8 inside.And to have the identical percent opening of many sizes on the solid plate 22 of every layer of level be 20%～30% oval aperture, so that trash ice or water flow out the power slowed down suffered by structure in cone.Being connected with dividing plate 9 between upper cone 7 and lower cone 8, upper cone 7 is connected by strengthening angle steel 24, and dividing plate 9 is fixed by the connection carrying out horizontal direction with two tripping brackets 25, and vertical direction fixes by strengthening angle steel 24.When having in trash ice and current or secondary pulse wave impact, dividing plate 9 can act the panel of the effect kept out and tripping bracket 25 is that 60 ° of inclinations can make current or trash ice flow in the sea diagonally downward, reduces resistance while will not producing ice cube climbing.Having diagonal brace 26 to be crossed-over fixing between the first dividing plate 5 and second partition 6, diagonal brace 26 is cylindrical shape, and the inside is provided with the implants such as composite and the cellular rubber of anticorrosive property sum.Upper and lower at diagonal brace 26 is provided with damping device 3.Damping device 3 is the device of one as shown in Figure 3, it is made up of many little components, its upper end is connected by bolt and nut 31 is fixing with the first dividing plate 5, mid portion is the first rubber 32 and the second rubber of elliptical shape, separated by fixing plate 322 in the middle of first rubber 32 and the second rubber, first rubber 32 and the second rubber are respectively positioned in cylinder 33, and cylinder 33 connects by the flange 341 of little bolt and nut 34 and level is fixing.Self adaptation tide floating comprises buoyancy tank 41 from rising device 4 and covers Elliptic Cylinder 42 roller on buoyancy tank surface.Buoyancy tank 41 surface is that anticorrosive property material brushing forms, and its surface is covered with many identical Elliptic Cylinders 42 and is connected with for increasing the structural strength of buoyancy tank and promoting self-buoyancy, the surface of Elliptic Cylinder 42 has many apertures 421 also above-mentioned structure and buoyancy effects.Roller 43 is welded with second partition 6 phase by backing plate 431, roller be in harmony with column 1 phase and, do rectilinear motion in its vertical direction.Structure for amplifying shown in Fig. 4 is the schematic enlarged-scale view of the solid plate 22 of anti-ice cone structure inner horizontal, the oval aperture its plate having percent opening be 20%～30%.Fig. 5 illustrates the top view of Fig. 1 structure.Column 1 engages with roller 43, roller 43 is fixedly connected by backing plate 431 and second partition 6, damping device 3 is had to be connected between first dividing plate 5 and second partition 6, what be connected with the first dividing plate 5 is lower cone 8, the outside of lower cone 8 has buoyancy tank 41 to be connected, and the outside of buoyancy tank 41 is surrounded by many identical Elliptic Cylinders 42.
As shown in Figure 6, in region, polar region when the water surface has ice raft or trash ice by near wind wave flow action to ocean platform column, when when being in low value or tidal fluctuations when region waterline, water level is in low value, its waterline is hovered near upper cone 7.When ice strikes upper cone 7, ice cube and upper cone 7 surface produce crimp and then the ice cube of division frustillatum, along with the continuous continuation of fluctuation, ice cube can constantly clash into upper cone 7 and eventually make ice cube narrow down to be not enough to column 1 and produce vibration and destroy.When having wave and ice cube while, column 1 acts on, first the wave absorption hole of cone surface can deduct the wave force of incoming flow, and the diagonal brace 26 then passed through between damping device 3 and dividing plate slows down and dissolve the exciting force in horizontal direction, to reach the effect of anti-ice.Now buoyancy tank 41 is because of submerged in water, ellipticity object 42 outer surface on its surface has aperture 421 can be full of water to serve as a weight and increase the weight of ice resistant structure, at this moment roller 43 can make ice resistant structure entirety move down along column 1 so that upper cone 7 meets the requirement of waterline in that in period and opens ice.
As shown in Figure 7, now due to the change of waterline, now buoyancy tank 41 can slowly surface, and ellipticity object 42 outer surface on its surface has the water in aperture 421 slowly to discharge, now buoyancy tank 41 is raised above to its buoyancy by water, it is simultaneously directed to roller 42 can vertical slide on column 1, makes ice resistant structure entirety move up.If when having an ice raft institute's stormy waves stream moves to column 1 from afar, lower cone 8 can make it crush.If there being trash ice to climb above lower cone 8, then baffle plate 9 and bracket 25 withstand trash ice and make it be slipped on lower cone, and the projection 26 being additionally provided with ellipse on baffle plate 9 increases friction, better carries out trash ice.Trash ice along lower cone 8 climb time, can have tripping bracket 25 place at angle of inclination by the downward landing of the effect of gravity, and the surface of dividing plate 9 is being provided with the projection 27 of ellipse and is touching protruding 27 when there being ice cube to continue climbing and can produce downward landing of breaking.When waterline is in buoyancy tank 41 place, when there being wave flow effect, its surface ellipse shape object 42 plays a part reinforcement structure and promotes buoyancy.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the ice resistant device being applicable to marine site, ice formation, polar region ocean platform, it is characterized in that: include self adaptation tide self adaptation tide floating from rising device and structural strengthening device, described structural strengthening device is positioned at self adaptation tide self adaptation tide floating from rising above device, described structural strengthening device comprises the lower cone of circular cone shape, lower cone is provided with several wave absorption holes, the first dividing plate is set inside lower cone, first dividing plate is connected with second partition by several diagonal braces being crossed-over, several damping devices it are also associated with between first dividing plate and second partition, second partition is enclosed within column.
2. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1, it is characterized in that: described lower cone is also arranged above the upper cone of rounding frustum shape, on upper cone, also distribution has several wave absorption holes, fixes with the first dividing plate and be connected inside upper cone.
3. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1 and 2, it is characterized in that: described damping device comprises cylinder, the first rubber and the second rubber, described cylinder is arranged on second partition by flange, first rubber and the second rubber are arranged on the first dividing plate by screw bolt and nut, first rubber and the second rubber are positioned at cylinder, first rubber and the second rubber are separated by fixing plate, and fixing plate is fixedly mounted on cylinder.
4. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1 and 2, it is characterised in that: described second partition inwall is provided with several rollers by backing plate, and second partition is moved up and down along column by roller.
5. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1, it is characterised in that: described wave absorption hole is angle is the hole of diamond shape of 65 °.
6. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 2, it is characterised in that: being provided with such as dried layer horizontal fixed plate in described lower cone and upper cone, horizontal fixed plate is provided with the oval aperture that several sizes are identical.
7. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 6, it is characterised in that: the percent opening of described oval aperture is 20%～30%.
8. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1, it is characterized in that: described self adaptation tide self adaptation tide floating comprises buoyancy tank from rising device and is positioned at the Elliptic Cylinder on buoyancy tank surface, and Elliptic Cylinder offers the aperture being not communicated with buoyancy tank.
9. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1, it is characterised in that: the top of described lower cone is provided with the tripping bracket that inclination angle is 60 °.
10. the ice resistant device suitable in marine site, ice formation, polar region ocean platform according to claim 1, it is characterised in that: the projection that some circles are oval on the first dividing plate, protruding between lower cone and upper cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265842.9A CN105756029B (en) | 2016-04-26 | 2016-04-26 | A kind of ice resistant device suitable for polar region ice formation marine site ocean platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265842.9A CN105756029B (en) | 2016-04-26 | 2016-04-26 | A kind of ice resistant device suitable for polar region ice formation marine site ocean platform |
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| Publication Number | Publication Date |
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| CN105756029A true CN105756029A (en) | 2016-07-13 |
| CN105756029B CN105756029B (en) | 2018-03-20 |
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| CN201610265842.9A Expired - Fee Related CN105756029B (en) | 2016-04-26 | 2016-04-26 | A kind of ice resistant device suitable for polar region ice formation marine site ocean platform |
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Cited By (8)
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| CN106284266A (en) * | 2016-10-14 | 2017-01-04 | 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 supported for water surface photovoltaic pushes away system |
| CN110040223A (en) * | 2018-01-15 | 2019-07-23 | 中集海洋工程研究院有限公司 | Iceproof semisubmersible platform |
| CN110130294A (en) * | 2018-02-08 | 2019-08-16 | 上海勘测设计研究院有限公司 | The floatation type ice resistant structure and its installation method of marine structure |
| CN110331946A (en) * | 2019-03-27 | 2019-10-15 | 中国石油大学(华东) | Polar region drilling platforms derrick attemperator and its design method |
| CN110371267A (en) * | 2019-08-20 | 2019-10-25 | 江苏科技大学 | A kind of adaptive polar region floating platform ice load protective device |
| CN110920816A (en) * | 2018-09-19 | 2020-03-27 | 哈尔滨工业大学 | Novel floating type ice-resistant platform |
| CN110924371A (en) * | 2018-09-19 | 2020-03-27 | 哈尔滨工业大学 | Ocean platform initiative ice breaking device |
| CN113774881A (en) * | 2021-09-27 | 2021-12-10 | 中广核新能源六安有限公司 | A anti ice pushes away system for surface of water photovoltaic supports |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106284266A (en) * | 2016-10-14 | 2017-01-04 | 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 supported for water surface photovoltaic pushes away system |
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| CN110924371B (en) * | 2018-09-19 | 2024-11-08 | 哈尔滨工业大学 | Ocean platform initiative icebreaking device |
| CN110331946A (en) * | 2019-03-27 | 2019-10-15 | 中国石油大学(华东) | Polar region drilling platforms derrick attemperator and its design method |
| CN110371267A (en) * | 2019-08-20 | 2019-10-25 | 江苏科技大学 | A kind of adaptive polar region floating platform ice load protective device |
| CN110371267B (en) * | 2019-08-20 | 2023-10-24 | 江苏科技大学 | Self-adaptive polar region floating platform ice load protection device |
| CN113774881A (en) * | 2021-09-27 | 2021-12-10 | 中广核新能源六安有限公司 | A anti ice pushes away system for surface of water photovoltaic supports |
| CN113774881B (en) * | 2021-09-27 | 2022-11-04 | 中广核新能源六安有限公司 | A anti ice pushes away system for surface of water photovoltaic supports |
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Inventor after: Gu Jiayang Inventor after: Yang Chen Inventor after: Zhang Haibin Inventor after: Li Zhiyu Inventor after: Jiang Zhiyong Inventor after: Yao Zhenqiu Inventor after: Liu Weimin Inventor before: Gu Jiayang Inventor before: Yang Chen Inventor before: Jiang Zhiyong Inventor before: Yao Zhenqiu Inventor before: Liu Weimin |
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Effective date of registration: 20180124 Address after: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2 Applicant after: JIANGSU University OF SCIENCE AND TECHNOLOGY Applicant after: NO. 708 INSTITUTE OF CHINA STATE SHIPBUILDING Corp. Address before: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2 Applicant before: Jiangsu University of Science and Technology |
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Granted publication date: 20180320 |