CN105350535A - Pile shoe used for wind power installation vessel - Google Patents
Pile shoe used for wind power installation vessel Download PDFInfo
- Publication number
- CN105350535A CN105350535A CN201510623296.7A CN201510623296A CN105350535A CN 105350535 A CN105350535 A CN 105350535A CN 201510623296 A CN201510623296 A CN 201510623296A CN 105350535 A CN105350535 A CN 105350535A
- Authority
- CN
- China
- Prior art keywords
- shoe
- pile
- installation vessel
- manhole
- wind turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
-
- 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
-
- 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
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
-
- 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
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0073—Details of sea bottom engaging footing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a pile shoe used for a wind power installation vessel. The pile shoe comprises a pile shoe body of a watertight structure; the pile shoe body is connected with a pile leg; the pile shoe body comprises an upper conical panel, a lower surface board and lateral boards; the pile shoe body is further evenly provided with multiple round through holes and pile punching holes; the round through holes comprise cylindrical sections connected with the upper conical panel and horn sections connected with the lower surface board; partition boards capable of shielding the cylindrical sections in size are arranged in the positions where the cylindrical sections and the horn sections are connected; the partition boards are hinged to fixing lug boards on the inner sides of the round through holes through lug boards at one ends of the partition boards and rotary shafts; the fixing lug boards are provided with backing pins for limiting openings of the partition boards. The pile shoe used for the wind power installation vessel is simple in structure; the pile pulling area of the pile shoe is reduced and the pile pulling time is shortened on the condition of not reducing the bearing capacity of the pile shoe; the use safety of a platform is improved; the service life of the platform is prolonged.
Description
Technical field
The present invention relates to a kind of shoe peculiar to vessel, particularly a kind of offshore wind farm installation ship shoe, belongs to oceanographic equipment technical field.
Background technology
Shoe is the equipment of marine self lift type installation ship for fixed hull, and it is fixed on bottom spud leg.Its effect one is to protect spud leg; Two is in order to lower stake is convenient, because the general tapered shape in the bottom of shoe, easily in incision soil layer, and particularly harder soil layer.In order to ensure that offshore wind farm mounting platform can trouble free service, the shoe of platform must meet supporting capacity in working sea area, resistant slide ability, resistance to capsizing and pull out boots ability, thus the pattern of shoe and loaded area and marine site ground closely related.
Along with the development of wind power technology, marine self lift type wind turbine installation vessel applies in blower fan offshore construction more and more.In order to increase the support force of offshore work platform, reduce the pressure to ground, seabed, usually in the bottom of its spud leg, a large-area shoe is installed, by welding with spud leg, possesses independently watertight construction, can provide support for working platform, and side direction resistance is provided simultaneously, prevent platform sidesway.This kind of shoe is generally an integrated member, and structural shape has circle, rectangle, polygon and taper, and its object is all to increase the contact area with ground, seabed, thus improves supporting capacity and the stability of platform.
At present, the Offshore Winds that China has planned distributes from south to north, and the geological conditions of these wind fields changes greatly.In addition; due to the work comparatively backwardness of China in the improvement and protection in coastline; the geological conditions explored shows that China coastal seas all has thicker mud; therefore; the driving depth of self lift type wind turbine installation vessel is comparatively large, not only in wind turbine installation vessel pitching pile, pile pulling process, consumes the more time, and adds the risk of job execution; much good construction window phase may be missed, considerably increase the cost of construction.In addition, the spud leg length of wind turbine installation vessel is certain, and when driving depth increases, some deep water sea areas then cannot be constructed, and cause the limitation of design.Need a kind of large-sized shoe of design to meet the geological condition of various different waters to this.Increase shoe size and also can bring other problems simultaneously: shoe size is larger, when identical insert dark shoe above overlying soil heavier, and the contact surface of shoe and soil layer strengthens, then its absorption affinity also can increase, and the frictional force of the soil layer in during pile pulling and seabed is larger, the time of pile pulling is longer, pile pulling difficulty also can increase, and under extreme sea condition, platform easily integral slipping occurs, risk is comparatively large, there is certain potential safety hazard.
Summary of the invention
The object of the invention is the defect in order to overcome above-mentioned existing shoe pitching pile and pile pulling difficulty, a kind of shoe of the band manhole for wind turbine installation vessel is provided.Structure of the present invention is simple, when not reducing shoe bearing capacity, reducing the pile pulling area of shoe, shortening the pile pulling time, improves the safety that platform uses, extends the application life of platform.
For achieving the above object, concrete technical scheme of the present invention is:
A kind of shoe for wind turbine installation vessel, comprise the shoe with watertight structure be connected with spud leg, described shoe comprises cone plate and lower face plate and side plate, in described shoe, also equalization is provided with multiple manhole and rushes stake holes, described manhole comprises the cylindrical section be connected with described upper cone plate and the loudspeaker section be connected with described lower face plate, the position be connected with described loudspeaker section at described cylindrical section is also provided with the dividing plate that large I blocks described cylindrical section, described dividing plate is articulated and connected by rotating shaft with the fixing otic placode be arranged on inside described manhole by the otic placode being arranged on its side, described fixing otic placode is also provided with the backing pin limiting described bulkhead apertures.
Further, the bottom shape of described shoe is to be circular or similar round, and its equivalent diameter is greater than 15 meters.
Certainly, the bottom shape of described shoe is the same with common shoe also can be rectangle, square, polygon etc., but preferred base area is for being greater than 180 square metres.
Further, described manhole is evenly distributed in described shoe.
Further, another key factor affecting shoe pile pulling be at the bottom of absorption affinity, show that its numerical value is about 10 ~ 20% of its ballast power according to existing experience.Therefore, the arrangement principle of described manhole is positioned at the large place of bottom surface contact area as far as possible, and its reason is the existence of described manhole, more easily makes described shoe top and bottom through, vacuum area greatly during reduction pile pulling bottom shoe, thus reduce pile pulling power.
Further, the number of described manhole is 12, and diameter, for being greater than 500 millimeters, is less than 1000 millimeters.Because, institute
If the diameter stating manhole is less than 500 millimeters, the earth above described shoe will be caused cannot effectively to drop to institute
State bottom shoe; If its diameter is greater than 1000 millimeters, the bearing capacity degradation of described shoe will be caused.Consider stake
Boots intensity and pile pulling efficiency, the percent opening of its manhole is not more than 40%, and is not less than 30%.
Further, describedly stake holes is rushed and described manhole interval is arranged.
Arrange between described manhole described rush stake holes after, vacuum bottom described shoe can be eliminated at the pile pulling initial stage fast by described stake holes of rushing, reduce pile pulling power, reduce the engineering time, reduce costs.
Further, the isosceles trapezoid of 60 degree to 70 degree that to be lower base angle be in the longitudinal section of the loudspeaker section of described manhole bottom, such section form is conducive to the earth of described shoe when pitching pile and clamp-ons and described dividing plate is closed to fall with the earth on shoe top described in pile pulling process.
The maximum open angle of described dividing plate is 50 degree to 80 degree, if the maximum open angle of described dividing plate is too little, the whereabouts of described shoe top earth when then affecting pile pulling, the large pile extraction resistance of pile pulling area is large, if the maximum open angle of described dividing plate is too large, when then affecting pitching pile, described dividing plate is closed, and described dividing plate may be caused to damage.
Action principle:
Described shoe arranges multiple described manhole, changes its pattern and loaded area.
In the process of pitching pile, along with described shoe is to the injection of soil layer, earth enters in described manhole by described loudspeaker section, make described dividing plate upwards turn to horizontal level around described rotating shaft described cylindrical section is blocked, therefore, in the process of pitching pile, can ensure compared with the common shoe without described manhole, overall lifting surface area size is constant, and bearing capacity does not reduce.
In the process of pile pulling, along with pulling up of described spud leg, the earth of described shoe upper surface enters in described manhole by described cylindrical section, make described dividing plate around described pivoted downward to maximum, limit its maximum open by described backing pin, the pile pulling area of described shoe reduces, be aided with simultaneously and describedly rush stake holes, the absorption affinity on described shoe and ground is easily eliminated, and pile pulling power reduces, and is beneficial to pile pulling.Especially for severe sea situation, reduce the pile pulling time, can reduce severe sea condition affects the potential safety hazard brought, and can also increase the application life of platform.
Advantage of the present invention and beneficial effect are:
1., due to manhole and the setting of rushing stake holes, more easily eliminate the vacuum bottom shoe and absorption affinity, decrease pile pulling power, facilitate pile pulling, extend the application life of shoe, decrease the engineering time, reduce cost, be specially adapted to large shoe;
2., in the process of pitching pile, because dividing plate can turn to horizontal level, compared with traditional shoe, supporting capacity does not reduce, and ensure that the stability of platform as much as possible;
3., when not changing the performance of shoe own, due to the setting of manhole, significantly reduce the quality of shoe self, lighter than using the hull of the platform of traditional shoe under equal geological conditions, improve the economy of structure;
4. can change the aperture of manhole during fabrication according to actual condition, in use, according to working sea area and seabed soil property situation, selectable opening and closing manhole, greatly improves applicability, improves the utilization rate of platform.
5. make simple, compact conformation, safe and reliable.
Accompanying drawing explanation
Fig. 1 is that the invention process illustrates top view;
Fig. 2 is embodiment of the present invention longitudinal section;
Fig. 3 is embodiment of the present invention partial view;
Fig. 4 is embodiment of the present invention manhole partial top view;
In figure: 1. for shoe, 2. for manhole, 3. for dividing plate, 4. for rotating shaft, 5. for fixing otic placode, be 6. upper cone plate for rushing stake holes, 7. spud leg, 11., 12. be lower face plate, 21. be cylindrical section, 22. be loudspeaker section, 31. be otic placode, 51. be backing pin.
Detailed description of the invention
For making the object of the embodiment of the present invention and technical scheme clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.
The indirect connection that can be the direct connection between parts also can be by other parts between parts of the implication of " connection " described in the present invention.
As Fig. 1, 2, shown in 3 and 4, for a kind of shoe for wind turbine installation vessel of the present invention, comprise the shoe 1 with watertight structure be connected with spud leg 7, described shoe 1 comprises cone plate 11 and lower face plate 12 and side plate, in described shoe 1 also equalization be provided with 12 manholes 2 and 6 rush stake holes 6, described manhole 2 comprises the cylindrical section 21 be connected with described upper cone plate 11 and the loudspeaker section 22 be connected with described lower face plate 12, the dividing plate 3 that size can block described cylindrical section 21 is also provided with at the position that described cylindrical section 21 is connected with described loudspeaker section 22, described dividing plate 3 is articulated and connected by rotating shaft 4 with the fixing otic placode 5 be arranged on inside described manhole 2 by the otic placode 31 being arranged on its side, described fixing otic placode 5 is also provided with the backing pin 51 limiting described dividing plate 3 opening.
The bottom shape of described shoe 1 is rectangle, and its area is 200 square metres.
Described manhole 2 is 12 and is evenly distributed in described shoe 1.
The diameter of described manhole 2 is 600 millimeters.
Describedly rush stake holes 6 and described manhole 2 interval is arranged, 6 diameters rushing stake holes are determined according to rushing stake water pipe, and the present embodiment is 90 millimeters.
The isosceles trapezoid of 70 degree that to be lower base angle be in the longitudinal section of the loudspeaker section 22 of described manhole 2 bottom.
The maximum open angle of described dividing plate 3 is 70 degree.
Action principle:
Described shoe 1 arranges multiple described manhole 2, changes its pattern and loaded area.
In the process of pitching pile, along with described shoe 1 is to the injection of soil layer, earth enters in described manhole 2 by described loudspeaker section 22, make described dividing plate 3 upwards turn to horizontal level around described rotating shaft 4 described cylindrical section 21 is blocked, therefore, in the process of pitching pile, can ensure compared with the common shoe without described manhole 2, overall lifting surface area size is constant, and bearing capacity does not reduce.
In the process of pile pulling, along with pulling up of described spud leg 7, in described shoe 1, the earth of the conical surface enters in described manhole 2 by described cylindrical section 21, make described dividing plate 3 be swung down to maximum around described rotating shaft 4, limit its maximum open by described backing pin 51, the pile pulling area of described shoe 1 reduces, be aided with simultaneously and describedly rush stake holes 6, described shoe 1 is easily eliminated with the absorption affinity on ground, and pile pulling power reduces, and is beneficial to pile pulling.Especially for severe sea situation, reduce the pile pulling time, can reduce severe sea condition affects the potential safety hazard brought, and can also increase the application life of platform.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (8)
1. the shoe for wind turbine installation vessel, comprise the shoe (1) with watertight structure be connected with spud leg (7), it is characterized in that: described shoe (1) comprises cone plate (11) and lower face plate (12) and side plate, the upper also equalization of described shoe (1) is provided with multiple manhole (2) and rushes stake holes (6), described manhole (2) comprises the cylindrical section (21) be connected with described upper cone plate (11) and the loudspeaker section (22) be connected with described lower face plate (12), the dividing plate (3) that large I blocks described cylindrical section (21) is also provided with at the position that described cylindrical section (21) is connected with described loudspeaker section (22), described dividing plate (3) is articulated and connected by rotating shaft (4) with the fixing otic placode (5) being arranged on described manhole (2) inner side by the otic placode (31) being arranged on its side, described fixing otic placode (5) is also provided with the backing pin (51) of restriction described dividing plate (3) opening.
2. a kind of shoe for wind turbine installation vessel according to claim 1, is characterized in that: the bottom shape of described shoe (1) is circle, similar round or polygon.
3. a kind of shoe for wind turbine installation vessel according to claim 2, is characterized in that: the bottom shape of described shoe (1) is circular or similar round, and its equivalent diameter is for being greater than 15 meters.
4. a kind of shoe for wind turbine installation vessel according to claim 2, is characterized in that: the bottom shape of described shoe (1) is polygon, and its area is for being greater than 180 square metres.
5. a kind of shoe for wind turbine installation vessel according to claim 1, is characterized in that: the number of described manhole (2) is 12, and aperture is 500 ~ 1000 millimeters.
6. a kind of shoe for wind turbine installation vessel according to claim 1, is characterized in that: described stake holes (6) and the described manhole (2) of rushing for arranging at interval.
7. a kind of shoe for wind turbine installation vessel according to claim 1, is characterized in that: the isosceles trapezoid of 60 ~ 70 degree that to be lower base angle be in the longitudinal section of the loudspeaker section (22) of described manhole (2) bottom.
8. a kind of shoe for wind turbine installation vessel according to claim 1, is characterized in that: the maximum open angle of described dividing plate (3) is 50 ~ 80 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623296.7A CN105350535B (en) | 2015-09-25 | 2015-09-25 | A kind of shoe for wind turbine installation vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623296.7A CN105350535B (en) | 2015-09-25 | 2015-09-25 | A kind of shoe for wind turbine installation vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105350535A true CN105350535A (en) | 2016-02-24 |
| CN105350535B CN105350535B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510623296.7A Active CN105350535B (en) | 2015-09-25 | 2015-09-25 | A kind of shoe for wind turbine installation vessel |
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| Country | Link |
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| CN (1) | CN105350535B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544995A (en) * | 2016-10-13 | 2017-03-29 | 河海大学 | Sleeve drilling spud-can |
| CN111042122A (en) * | 2019-12-24 | 2020-04-21 | 南通泰胜蓝岛海洋工程有限公司 | Pile leg shoe and pile pulling method of maritime work platform |
| CN114086533A (en) * | 2020-08-24 | 2022-02-25 | 中石化石油工程技术服务有限公司 | Buoyancy-free double-wall self-elevating platform pile leg |
| CN115045274A (en) * | 2022-06-27 | 2022-09-13 | 中交第三航务工程局有限公司 | Pile shoe for truss type pile leg self-elevating platform ship |
| CN115341536A (en) * | 2022-08-29 | 2022-11-15 | 大连船舶重工集团有限公司 | Automatic water injection drainage prevent silt platform pile shoe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071690A (en) * | 2010-12-08 | 2011-05-25 | 中国石油大学(北京) | Offshore self-elevating drilling platform pile pitching and pile pulling automatic control device and method |
| WO2013064327A1 (en) * | 2011-11-01 | 2013-05-10 | Aker Mh As | A footing for a marine structure support leg, and method of installing and removing a jack-up platform. |
| CN104594293A (en) * | 2015-01-08 | 2015-05-06 | 中交上海三航科学研究院有限公司 | Hydraulic pull reduction system on jack-up platform ship supporting pile leg |
| CN104831700A (en) * | 2015-05-22 | 2015-08-12 | 南通中远船务工程有限公司 | Connecting device and method for pile leg and pile shoe |
-
2015
- 2015-09-25 CN CN201510623296.7A patent/CN105350535B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071690A (en) * | 2010-12-08 | 2011-05-25 | 中国石油大学(北京) | Offshore self-elevating drilling platform pile pitching and pile pulling automatic control device and method |
| WO2013064327A1 (en) * | 2011-11-01 | 2013-05-10 | Aker Mh As | A footing for a marine structure support leg, and method of installing and removing a jack-up platform. |
| CN104594293A (en) * | 2015-01-08 | 2015-05-06 | 中交上海三航科学研究院有限公司 | Hydraulic pull reduction system on jack-up platform ship supporting pile leg |
| CN104831700A (en) * | 2015-05-22 | 2015-08-12 | 南通中远船务工程有限公司 | Connecting device and method for pile leg and pile shoe |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106544995A (en) * | 2016-10-13 | 2017-03-29 | 河海大学 | Sleeve drilling spud-can |
| CN111042122A (en) * | 2019-12-24 | 2020-04-21 | 南通泰胜蓝岛海洋工程有限公司 | Pile leg shoe and pile pulling method of maritime work platform |
| CN111042122B (en) * | 2019-12-24 | 2021-06-18 | 南通泰胜蓝岛海洋工程有限公司 | Pile leg shoe and pile pulling method of maritime work platform |
| CN114086533A (en) * | 2020-08-24 | 2022-02-25 | 中石化石油工程技术服务有限公司 | Buoyancy-free double-wall self-elevating platform pile leg |
| CN115045274A (en) * | 2022-06-27 | 2022-09-13 | 中交第三航务工程局有限公司 | Pile shoe for truss type pile leg self-elevating platform ship |
| CN115341536A (en) * | 2022-08-29 | 2022-11-15 | 大连船舶重工集团有限公司 | Automatic water injection drainage prevent silt platform pile shoe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105350535B (en) | 2017-04-05 |
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