CN203049602U - Offshore platform pile leg capable of realizing convenient pile unplugging and installing platform provided with pile leg - Google Patents
Offshore platform pile leg capable of realizing convenient pile unplugging and installing platform provided with pile leg Download PDFInfo
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- CN203049602U CN203049602U CN 201220632153 CN201220632153U CN203049602U CN 203049602 U CN203049602 U CN 203049602U CN 201220632153 CN201220632153 CN 201220632153 CN 201220632153 U CN201220632153 U CN 201220632153U CN 203049602 U CN203049602 U CN 203049602U
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- spud leg
- pile
- shoe
- chamber
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Abstract
The utility model discloses an offshore platform pile leg capable of realizing the convenient pile unplugging and an installing platform provided with the pile leg, wherein the pile leg comprises a post-shaped pile leg body, the bottom end of the pile leg body is fixedly provided with a disc-shaped pile shoe, and a vibration device is arranged at a connecting part of the pile leg body and the pile shoe. The vibration device comprises a motor and an eccentric wheel driven by the motor, a sealed cavity is arranged at a connecting part of the pile leg body and the pile shoe, and the vibration device is arranged in the cavity. The offshore platform pile leg capable of realizing the convenient pile unplugging and the installing platform provided with the pile leg have the advantages that the structure is simple, work is reliable, the vibration device is arranged inside the pile leg, the space occupied by an offshore platform is saved, the pile unplugging process can be smoothly carried out, and the offshore operation efficiency is greatly improved.
Description
Technical field
The utility model relates to offshore wind turbine erection equipment field, is specifically related to a kind of mounting platform of being convenient to the offshore platform spud leg of pile pulling and this spud leg being installed.
Background technology
At present, offshore wind farm is installed in China and is in the starting stage, and large-scale lift-on and lift-off ship generally absorbs water darker, can't between tide, carry out lifting operation in the beach, also have part enterprise to use the self-lifting hoister ship, can fix in the shoal and lift by crane, but it is very big that equipment drops into, can't come into operation on a large scale, efficient is lower, therefore, self lift type offshore wind turbine mounting platform (being offshore platform) has appearred, be used for offshore wind turbine is installed, operation is not subjected to tidal effect, the installation effectiveness height.
Application number is that 200920101091.2 Chinese utility model discloses a kind of self lift type offshore wind farm unit mounting platform, and it mainly is made up of main platform body, shoe, spud leg, lifting gear, rack-and-pinion jacking system, superstructure, crane, seawater hoisting frame, ballast compartment, installation blower fan chuck apparatus and power-equipment; Wherein, crane is arranged in the stern starboard near the position of spud leg, and arm is towards stem; Windlass has four, and correspondence is arranged on around the corresponding spud leg, and it is 20m that crane requires the lifting distance, so as far as possible close platform edges is to reduce the crane requirement.
As shown in Figure 1, marine mounting platform is made of platform 8 and spud leg usually, and spud leg is made of spud leg body 1 and shoe 5.When self lift type offshore wind turbine mounting platform uses, need to reach certain degree of depth in the spud leg insertion seabed silt with platform, guarantee in the installation process of blower fan at sea, mounting platform keeps enough stability, after the installation task was finished in a certain position, mounting platform need re-move to new job position, when finishing displacement, at first need the spud leg that inserts in the silt of seabed is extracted from the seabed, and be promoted to the hull bottom predetermined altitude.
China's coastal waters bottom silt matter soil body is thicker, the spud leg pitching pile degree of depth of mounting platform is bigger, overcome multiple resistance at pile pulling process Chinese medicine, comprise the part gravity of the above soil body of shoe, the frictional resistance of the shoe side soil body, the adhesion strength of destroying the described shearing force of the soil body, shoe bottom rock-soil and absorption affinity etc.
In the prior art, for carrying out smoothly of pile pulling process, generally, at first the soil around the spud leg is cleared up, efficient is lower.
The utility model content
The utility model provides a kind of mounting platform of being convenient to the offshore platform spud leg of pile pulling and this spud leg being installed, after mounting platform is finished the installation task, the spud leg of mounting platform produces vibration, makes the spud leg soil body on every side become loose, is beneficial to the carrying out of pile pulling process.
A kind of offshore platform spud leg of being convenient to pile pulling comprises the spud leg body of column, and fixedly there is the shoe of plate-like the bottom of this spud leg body, and the connecting portion of described spud leg body and shoe is provided with vibrating device.
Described vibrating device drives the spud leg body and shoe is vibrated together, destroys the equilibrium state of spud leg body and shoe surrounding soil, makes it become loose, and suffered various resistances when reducing pile pulling are convenient to the carrying out of pile pulling process.
In the vibrating device vibration, also can make the pile pulling process more smooth with the soil body around other modes auxiliary cleaning spud leg body and the shoe.
As preferably, described vibrating device comprises motor and is subjected to described motor-driven eccentric wheel.
At sea platform is finished after the installation task of a certain position, and described motor is started working, and drives eccentric wheel and rotates, because eccentric mass eccentricity, drive spud leg body and shoe and rock together, destroy the equilibrium state of spud leg body and shoe surrounding soil, be convenient to the carrying out of pile pulling process.
As preferably, the connecting portion of described spud leg body and shoe is provided with airtight chamber, and described vibrating device is installed in this chamber.
Vibrating device is installed in the airtight chamber, can prevent that seawater and silt from disturbing eccentric rotation.
As preferably, described chamber comprises first chamber and second chamber that is interconnected, and wherein first chamber is positioned at the inside of described spud leg body, and second chamber is positioned at the inside of described shoe, described motor is positioned at first chamber, and described eccentric wheel is positioned at second chamber.
When from the silt of seabed, extracting spud leg, the frictional resistance, the shoe bottom rock-soil that are covered in gravity, shoe side and the silt of the silt in the shoe are the main resistances that stops shoe to be pulled out to adhesion strength and the absorption affinity of shoe, described eccentric wheel is positioned at second chamber of shoe inside, be convenient to drive the shoe vibration, be convenient to extracting of spud leg.
As preferably, described chamber is provided with access hole.In the offshore platform use, access hole is airtight, prevents that seawater and silt from entering in the chamber by access hole, when needing maintenance, enters chamber interior by access hole, carries out motor and eccentric maintenance.
As preferably, the bottom of described shoe is reverse frustoconic or the inverted trapezoidal shape of drawing in gradually.
Described shoe is discoid or the rectangle plate-like, the shoe bottom is reverse frustoconic or the inverted trapezoidal shape of drawing in gradually, the resistance that is subjected to when reducing spud leg insertion seabed silt on the one hand, on the other hand, reduced the contact area of earth and shoe, thereby reduced the adhesive power of earth to shoe, be convenient to extracting of shoe.
The utility model also provides a kind of self lift type offshore wind turbine mounting platform, comprises the platform body and be used for to support the spud leg of described platform body, and described spud leg is namely for ease of the offshore platform spud leg of pile pulling.Described spud leg is at least four.
A kind of mounting platform of being convenient to the offshore platform spud leg of pile pulling and this spud leg being installed of the utility model, simple in structure, reliable operation, in spud leg inside vibrating device is set, be beneficial to and save the offshore platform occupation space, the pile pulling process is carried out smoothly, improved the efficient of operation on the sea greatly.
Description of drawings
Fig. 1 is offshore platform schematic diagram in the prior art;
Fig. 2 is convenient to the sectional view of the offshore platform spud leg of pile pulling for the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of mounting platform of being convenient to the offshore platform spud leg of pile pulling and this spud leg being installed of the utility model is described in detail.
As shown in Figure 2, a kind of offshore platform spud leg of being convenient to pile pulling comprises the spud leg body 1 of column, and fixedly there is the shoe 5 of plate-like the bottom of this spud leg body 1, and the connecting portion of spud leg body 1 and shoe 5 is provided with vibrating device.The eccentric wheel 6 that vibrating device comprises motor 3 and driven by motor 3.
At sea platform is finished after the installation task of a certain position, motor 3 is started working, driving eccentric wheel 6 rotates, because the mass eccentricity of eccentric wheel 6, driving spud leg body 1 and shoe 5 rocks together, destroy the equilibrium state of spud leg body 1 and shoe 5 surrounding soils, be convenient to the carrying out of pile pulling process.
The connecting portion of spud leg body 1 and shoe 5 is provided with airtight chamber, and vibrating device is installed in this chamber.Chamber comprises first chamber 2 and second chamber 7 that is interconnected, and wherein first chamber 2 is positioned at the inside of spud leg body 1, and second chamber 7 is positioned at the inside of shoe 5, and motor 3 is positioned at first chamber 2, and eccentric wheel 6 is positioned at second chamber 7.
Airtight chamber guarantees that seawater is avoided in the rotation of eccentric wheel 6 and silt disturbs, and eccentric wheel 6 is positioned at second chamber 7 of shoe 5 inside, is convenient to drive shoe 5 vibrations, is convenient to extracting of spud leg.
Chamber is provided with the access hole (not shown).In the offshore platform use, access hole is airtight, prevents that seawater and silt from entering in the chamber by access hole, when needing maintenance, enters chamber interior by access hole, carries out motor and eccentric maintenance.
The utility model also provides a kind of self lift type offshore wind turbine mounting platform, comprises the platform body and is used for the spud leg of support platform body, and spud leg is namely for ease of the offshore platform spud leg of pile pulling.Spud leg is four.
When the utility model is convenient to the offshore platform spud leg work of pile pulling, unlatching is positioned at the motor 3 of first chamber, 2 inside, motor 3 drives the eccentric wheel 6 that is positioned at second chamber, 7 inside and rotates, thereby drive shoe 5 and 1 vibration of spud leg body, make shoe 5 and spud leg body 1 loosing soil on every side, be convenient to extracting of spud leg.
The above only is preferable implementation example of the present utility model, is not limited to the utility model, and is all within the utility model spirit and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. offshore platform spud leg of being convenient to pile pulling comprises the spud leg body of column, and fixedly there is the shoe of plate-like the bottom of this spud leg body, it is characterized in that, the connecting portion of described spud leg body and shoe is provided with vibrating device.
2. the offshore platform spud leg of being convenient to pile pulling as claimed in claim 1 is characterized in that, described vibrating device comprises motor and is subjected to described motor-driven eccentric wheel.
3. the offshore platform spud leg of being convenient to pile pulling as claimed in claim 2 is characterized in that, the connecting portion of described spud leg body and shoe is provided with airtight chamber, and described vibrating device is installed in this chamber.
4. the offshore platform spud leg of being convenient to pile pulling as claimed in claim 3, it is characterized in that, described chamber comprises first chamber and second chamber that is interconnected, wherein first chamber is positioned at the inside of described spud leg body, second chamber is positioned at the inside of described shoe, described motor is positioned at first chamber, and described eccentric wheel is positioned at second chamber.
5. the offshore platform spud leg of being convenient to pile pulling as claimed in claim 4 is characterized in that described chamber is provided with access hole.
6. the offshore platform spud leg of being convenient to pile pulling as claimed in claim 5 is characterized in that, the bottom of described shoe is reverse frustoconic or the inverted trapezoidal shape of drawing in gradually.
7. a self lift type offshore wind turbine mounting platform comprises the platform body and for the spud leg that supports described platform body, it is characterized in that described spud leg is the arbitrary described offshore platform spud leg of being convenient to pile pulling of claim 1～6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632153 CN203049602U (en) | 2012-11-23 | 2012-11-23 | Offshore platform pile leg capable of realizing convenient pile unplugging and installing platform provided with pile leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632153 CN203049602U (en) | 2012-11-23 | 2012-11-23 | Offshore platform pile leg capable of realizing convenient pile unplugging and installing platform provided with pile leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203049602U true CN203049602U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632153 Expired - Fee Related CN203049602U (en) | 2012-11-23 | 2012-11-23 | Offshore platform pile leg capable of realizing convenient pile unplugging and installing platform provided with pile leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203049602U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805858A (en) * | 2014-07-28 | 2015-07-29 | 中集海洋工程研究院有限公司 | Self-elevating platform pile leg and ocean platform with same |
| CN106032666A (en) * | 2016-07-18 | 2016-10-19 | 天津职业技术师范大学 | Offshore platform pile leg inner wall variable-step-size automatic crawling robot |
| CN106320332A (en) * | 2016-09-09 | 2017-01-11 | 中交第二航务工程局有限公司 | Construction method and construction system for overwater drilling piles based on ejection movement platform |
| CN109868815A (en) * | 2019-03-26 | 2019-06-11 | 中国石油大学(北京) | A kind of shoe can seabed self discarding self-elevating drilling platform shoe and drilling platforms |
| CN109881670A (en) * | 2019-03-26 | 2019-06-14 | 中国石油大学(北京) | A kind of self-elevating drilling platform shoe that seabed is given up as hopeless recyclable and drilling platforms |
| CN110004902A (en) * | 2019-03-26 | 2019-07-12 | 中国石油大学(北京) | A kind of skirt-type can give up as hopeless the shoe of anti-puncture self-elevating drilling platform and drilling platforms |
| CN114703884A (en) * | 2022-04-29 | 2022-07-05 | 中国人民解放军陆军工程大学 | Rotary pile leg mechanism |
-
2012
- 2012-11-23 CN CN 201220632153 patent/CN203049602U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805858A (en) * | 2014-07-28 | 2015-07-29 | 中集海洋工程研究院有限公司 | Self-elevating platform pile leg and ocean platform with same |
| CN104805858B (en) * | 2014-07-28 | 2016-08-17 | 中集海洋工程研究院有限公司 | Jack-up unit spud leg and there is the ocean platform of this spud leg |
| CN106032666A (en) * | 2016-07-18 | 2016-10-19 | 天津职业技术师范大学 | Offshore platform pile leg inner wall variable-step-size automatic crawling robot |
| CN106320332A (en) * | 2016-09-09 | 2017-01-11 | 中交第二航务工程局有限公司 | Construction method and construction system for overwater drilling piles based on ejection movement platform |
| CN106320332B (en) * | 2016-09-09 | 2018-08-31 | 中交第二航务工程局有限公司 | The construction method and construction system of over-water bored pile are carried out based on pushing tow mobile platform |
| CN109881670A (en) * | 2019-03-26 | 2019-06-14 | 中国石油大学(北京) | A kind of self-elevating drilling platform shoe that seabed is given up as hopeless recyclable and drilling platforms |
| CN109868815A (en) * | 2019-03-26 | 2019-06-11 | 中国石油大学(北京) | A kind of shoe can seabed self discarding self-elevating drilling platform shoe and drilling platforms |
| CN110004902A (en) * | 2019-03-26 | 2019-07-12 | 中国石油大学(北京) | A kind of skirt-type can give up as hopeless the shoe of anti-puncture self-elevating drilling platform and drilling platforms |
| CN109881670B (en) * | 2019-03-26 | 2024-02-02 | 中国石油大学(北京) | Submarine self-disposable recyclable pile shoe of jack-up drilling platform and drilling platform |
| CN109868815B (en) * | 2019-03-26 | 2024-02-02 | 中国石油大学(北京) | Shoe type submarine self-disposable self-elevating drilling platform pile shoe and drilling platform |
| CN110004902B (en) * | 2019-03-26 | 2024-02-02 | 中国石油大学(北京) | Skirt-type self-disposable puncture-resistant jack-up drilling platform pile shoe and drilling platform |
| CN114703884A (en) * | 2022-04-29 | 2022-07-05 | 中国人民解放军陆军工程大学 | Rotary pile leg mechanism |
| CN114703884B (en) * | 2022-04-29 | 2023-09-08 | 中国人民解放军陆军工程大学 | Rotary pile leg mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151123 |