WO2017173934A1 - 自升下潜式水下作业平台及其使用方法 - Google Patents

自升下潜式水下作业平台及其使用方法 Download PDF

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Publication number
WO2017173934A1
WO2017173934A1 PCT/CN2017/078080 CN2017078080W WO2017173934A1 WO 2017173934 A1 WO2017173934 A1 WO 2017173934A1 CN 2017078080 W CN2017078080 W CN 2017078080W WO 2017173934 A1 WO2017173934 A1 WO 2017173934A1
Authority
WO
WIPO (PCT)
Prior art keywords
platform
main hull
pile
dive
moon pool
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.)
Ceased
Application number
PCT/CN2017/078080
Other languages
English (en)
French (fr)
Inventor
林焰
蒋晓宁
李铁骊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian University of Technology
Original Assignee
Dalian University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian University of Technology filed Critical Dalian University of Technology
Priority to JP2018503671A priority Critical patent/JP6545895B2/ja
Publication of WO2017173934A1 publication Critical patent/WO2017173934A1/zh
Priority to US15/951,134 priority patent/US10167063B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/201Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from above, e.g. by ceilings of buildings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/20Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/203Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by posts, e.g. scaffolding, trees or masts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52Floating cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0836Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks
    • E02B17/0872Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks with locking pins engaging holes or cam surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/52Tools specially adapted for working underwater, not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039Methods for placing the offshore structure

Definitions

  • the present invention relates to a self-elevating submersible underwater working platform and a method of using the same, and belongs to the field of marine engineering technology.
  • the large-scale structure of the underwater working platform can provide a larger deck area for dive operations, arrange and install more working equipment and special tooling equipment, and carry large-scale and large-loaded objects; integration of underwater operating platform functions It can provide various services such as underwater resource exploration, auxiliary maintenance of oil and gas resources, emergency and salvage salvage, etc. Operational control stability of underwater operating platform can provide high precision, high efficiency and high reliability under large variable load conditions. Sexual underwater special engineering support.
  • the present invention provides a self-elevating submersible underwater working platform and a using method thereof, and the working platform should have a simple structure, convenient use, diversified functions, and stability of operation control. it is good. It can provide various services such as underwater resource exploration, auxiliary maintenance of oil and gas resources, emergency and salvage salvage; Under the condition of large variable load, it can provide underwater special engineering support with high precision, high efficiency and high reliability.
  • a self-elevating submersible underwater working platform comprising a main hull, two ducted propellers located below the rear end of the main hull, and a living building on the front deck of the main hull.
  • the main hull adopts a rectangular structure.
  • On the main hull there is a rectangular platform moon pool that penetrates the deep range of the main hull, at the four corners of the main hull.
  • Each of the pile legs is provided, and a tower crane is arranged on the outer leg of the pile leg on the back leg, and the rails supporting the gantry crane are arranged in parallel on the decks of the platform moon pool, and each of the four corners of the platform moon pool is provided with a lifting.
  • each lifting device is connected to a corner of a dive module having a size smaller than the platform moon pool by a steel cable; the dive module is fixedly connected to the structure of the dive working deck and the dive module bottom plate by using a plurality of truss members; Watertight doors connected to the working compartments on both sides of the platform moon pool
  • (a) Self-propelled conditions This condition includes three types of self-elevating submersible submersible platforms that are propelled by conduit propellers to and from the operational sea area, and fine-tuned to the operating points in the operational sea area.
  • Situation In the self-propelled working condition, the pile legs rise, the pile boots are retracted into the main hull, and the dive module is recovered into the platform moon pool. The bottom surface of the dive module bottom is flush with the bottom surface of the main hull, and there is no pressure in the ballast tank.
  • the water carrying, tower crane and gantry crane are retracted to a safe position; in the operation sea area fine-tuning positioning, the dynamic positioning system controls the duct propeller work, the tower crane and the gantry crane perform normal operation, and the measuring equipment is arranged on the dive work deck in the platform moon pool ;
  • the submersible module is submerged into the water by the lifting device to perform underwater or submarine operations. After the operation is completed, the dive module is retracted into the platform moon pool by the lifting device;
  • the self-elevating submersible underwater working platform comprises a main hull, two ducted propellers, a living building, a pile leg, a tower crane, a dive module, a lifting device and a gantry crane, and the main hull adopts a rectangular structure in the main hull
  • the rails supporting the gantry crane are arranged in parallel on the decks of the platform moon pool, platform month A lifting device is arranged on each of the four corner decks of the pool.
  • Each lifting device is connected by a steel cable to a corner of a dive module that is smaller than the platform moonpool.
  • the dive module is fixedly connected to the dive working deck and dive by using a plurality of truss members.
  • the structure of the bottom plate of the module, the watertight doors connected to the working compartments on both sides are provided on the two side walls of the platform moon pool.
  • the work platform has a simple structure, convenient use, diversified functions, and good operational control stability. It can provide underwater resources exploration, auxiliary maintenance of oil and gas resources, emergency and salvage salvage, etc. Under the condition of large variable load, it can provide underwater special engineering support with high precision, high efficiency and high reliability.
  • FIG. 1 is a perspective view of a self-elevating submersible underwater work platform.
  • FIG. 2 is a side view of a self-elevating submersible underwater work platform.
  • FIG. 3 is a top plan view of a self-elevating submersible underwater work platform.
  • FIG. 4 is a bottom view of the self-elevating submersible underwater work platform.
  • FIG. 5 is a tail view of the self-elevating submersible underwater work platform.
  • FIG. 6 is a first view of a self-elevating submersible underwater work platform.
  • FIG. 7 is a partial enlarged view of the lifting device.
  • FIG. 8 is a partial enlarged view of a module lifting point.
  • FIG. 9 is a partial enlarged view of the door hanger hook.
  • FIG. 10 is a structural diagram of an interior cabin of a main hull.
  • FIG. 11 is a side view of the submersible module underwater operation of the work platform in a floating state on the surface of the water.
  • FIG 1 is a perspective view showing an overall structure of a self-elevating submersible underwater working platform, and FIGS. 2, 3, 4, 5, and 6 respectively show a side view, a top view, a bottom view, and a tail view thereof. And the first view.
  • the self-elevating submersible underwater working platform includes a main hull 1 and a submersible module 9 structure.
  • the main hull 1 has a wedge shape at both ends, to reduce the hull sailing resistance; the main hull 1 is connected to the cylindrical leg 6 through the structure of the fixed pile lh, and the leg 6 supports the main hull 1, and the main hull 1 can
  • the pile leg 6 is provided with a pin hole 6b for locking the position of the main hull 1 and the leg leg 6, and a pile shoe 6a is provided at the bottom of the leg leg 6, and the pile shoe 6a can be enlarged.
  • the area of the seabed is stressed, and the support force of the leg 6 to the main hull 1 is increased.
  • the lifting device 10 on the main deck lg is connected (as shown in FIG. 7), and the dive module 9 is dive into the water or under the sea floor under the platform moon pool 2 by the retracting function of the lifting device 10.
  • the lifting device 10 is composed of a winch 10a and a bracket 10b, and a pulley 10c at the upper end of the bracket 10b.
  • the cable 10d bypasses the pulley 10c, one end of which is connected to the hub of the winch 10a, and the other end is connected to the module lifting point 9d (as shown in Fig. 8).
  • Dive deck module 9 by the dive operation 9a, 9c dive module base plate, and a connecting dive operation module deck plate 9a and 9c dive truss member 9b composition module 9d disposed lifting point dive job deck 9 A four corners, and A vertical force transmission structure is formed with the vertical members in the frame member %.
  • the dive module 9 has a light weight structure and low water flow resistance, and can provide a stable dive work platform for underwater operation, and the mechanism composed of the dive module 9 , the module lifting point 9d9 and the lifting device 10 is convenient for maintenance and maintenance.
  • a tower crane 7 is arranged at the upper end of the fixed pile area lh, the tower crane 7 and the fixed pile area lh are continuous in structure, and the tower crane 7 sets on the periphery of the pile leg 6 without mutual motion interference.
  • the tower crane 7 is composed of a boom 7a, a tower crane hook 7b, a tower crane control room 7c and a weighting mechanism 7d.
  • the length of the boom 7a is required to meet the lifting requirements of the main deck lg area, and the tower crane 7 meets the main hull 1 and the dive module.
  • the gantry crane 11 is rolled on the rail 12 by the hoisting wheel, and the gantry crane 11 is provided with a hoisting hook 11a (shown in FIG. 9); the gantry crane 11 is mainly used for the dive working deck 9a in the platform moonpool 2.
  • the hoisting service also takes into account the lifting requirements of the main deck lg and the living building 8.
  • the living building 8 is in the form of a canister module, which is placed in the middle of the main section of the main deck lg.
  • the top of the living building 8 is a helicopter platform 8a, the side is covered with a window 8c, and the upper and lower connected ladders 8b are arranged, and the ladder 8b also takes care of fire and escape passages. , enabling the personnel to reach the lifeboat 13 on both sides of the head of the main hull 1 most quickly.
  • a streamlined guide hole 5 (shown in Fig. 4) is provided, so that the water flow smoothly reaches the position of the duct propeller 4, and the propulsion efficiency of the duct propeller 4 is improved.
  • FIG. 10 is a structural view showing the internal compartment of the main hull 1 after the main deck lg is lifted.
  • the cabin 1 a, the cabin lb, the ballast tank lc, the fresh water tank ld, the fuel tank le and the pump cabin lf are respectively provided.
  • the watertight door 3 is installed in the side of the platform moon pool 2 of the work compartment la; when the dive module 9 is recovered to the platform moon pool 2, the watertight door 3 is smashed, and the personnel are allowed to work and lay the test on the dive work deck 9a. device.
  • the ballast water tank lc is placed near the pile leg 6 to improve the pile driving ability of the pile leg 6.
  • the fresh water tank Id is placed below the living building 8 to facilitate the laying of water supply facilities.
  • a gooseneck air intake pipe li is provided on the main deck lg for supplying air to the host equipment in the cabin lb.
  • An exhaust port lj is disposed on the tail seal plate, and communicates with the nacelle lb through the pipeline.
  • FIG. 11 is a side view of the submersible module underwater operation of the work platform in a floating state on the water surface.
  • the length of the leg 6 is limited, the pile shoe 6a cannot touch the sea bottom, so the leg 6 and the pile shoe 6a remain in the self-propelled state, the main hull 1 floats on the water surface; the duct propeller 4 is controlled by the dynamic positioning system Orientation; The dive module 9 is dive into the water or the sea floor through the lifting mechanism 10.
  • the working conditions include the self-elevating submersible underwater working platform propelled to and from the working sea area by the duct propeller 4, and fine-tuned to the working point in the working sea area.
  • the pile leg 6 rises, the pile shoe 6a is retracted into the main hull 1, and the dive module 9 is recovered into the platform moon pool 2, and the bottom surface of the submerged module bottom plate 9c is flush with the bottom surface of the main hull 1 ship, and the pressure is pressed.
  • the tower crane 7 and the gantry crane 11 are retracted to a safe position.
  • the dynamic positioning system controls the conduit propeller 4 to work, and the tower crane 7 and the gantry crane 11 can perform normal operations, and the measuring equipment and the dive work are arranged on the dive working deck 9a in the platform moon pool 2. Preparation jobs.
  • the self-elevating submersible underwater working platform comprises a main hull, two ducted propellers, a living building, a pile leg, a tower crane, a dive module, a lifting device and a gantry crane, and the main hull adopts a rectangular structure in the main hull
  • the rails supporting the gantry crane are arranged in parallel on the decks of the platform moon pool, platform month A lifting device is arranged on each of the four corner decks of the pool.
  • Each lifting device is connected by a steel cable to a corner of a dive module that is smaller than the platform moonpool.
  • the dive module is fixedly connected to the dive working deck and dive by using a plurality of truss members.
  • the structure of the bottom plate of the module, the watertight doors connected to the working compartments on both sides are provided on the two side walls of the platform moon pool.
  • the work platform has a simple structure, convenient use, diversified functions, and good operational control stability. It can provide underwater resources exploration, auxiliary maintenance of oil and gas resources, emergency and salvage salvage, etc. Under the condition of large variable load, it can provide underwater special engineering support with high precision, high efficiency and high reliability. Sequence table free content

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Earth Drilling (AREA)
  • Jib Cranes (AREA)

Abstract

一种自升下潜式水下作业平台及其使用方法,属于海洋工程技术领域。该作业平台的主船体采用长方形结构,在主船体上设有长方形平台月池,四角各设置一个桩腿,平台月池的两侧甲板上平行设置支撑龙门吊车的轨道,平台月池的四角甲板上各设置一个提升装置,通过钢缆连接一个尺寸比平台月池小的下潜模块的四角,下潜模块采用多个桁架构件固定连接下潜作业甲板和下潜模块底板,平台月池的两侧壁上设有与两侧工作舱室连接的水密门。该作业平台结构简单,使用方便,功能多样化,操作控制稳定性好。能提供水下资源勘探、油气资源辅助维护、应急与救助打捞等多种服务;在大可变载荷条件下,能提供高精度、高效率和高可靠性的水下特殊工程支持。

Description

说明书 发明名称: 自升下潜式水下作业平台及其使用方法 技术领域
[0001] 本发明涉及一种自升下潜式水下作业平台及其使用方法, 属于海洋工程技术领 域。
背景技术
[0002] 海上的水下作业需求繁多, 如海底油气设备安装、 检修, 水下管线布放, 以及 水下探测、 救助和打捞等作业。 目前水下作业都是采用小型且单一专用的装备 进行操作, 工作效率低、 成本高、 承载的负荷小、 协同配合能力和稳定性差, 难以适合恶劣海况下的安全作业要求。 因此, 需要提出一种新概念装备结构, 它具有作业范围大型化、 功能综合化、 操作稳定高效化, 以及移动快捷等特点 。 水下作业平台结构的大型化, 能提供下潜作业更大的甲板面积, 布置和安放 更多的作业仪器设备和特种工装器具, 承载大尺度和大负荷物件; 水下作业平 台功能的综合化, 能提供水下资源勘探、 油气资源辅助维护、 应急与救助打捞 等多种服务; 水下作业平台的操作控制稳定性, 能提供在大可变载荷条件下, 高精度、 高效率和高可靠性的水下特殊工程支持。
技术问题
[0003] 目前水下作业都是采用小型且单一专用的装备进行操作, 工作效率低、 成本高 、 承载的负荷小、 协同配合能力和稳定性差, 难以适合恶劣海况下的安全作业 要求。
问题的解决方案
技术解决方案
[0004] 为了克服现有技术中存在的问题, 本发明提供一种自升下潜式水下作业平台及 其使用方法, 该作业平台应结构简单, 使用方便, 功能多样化, 操作控制稳定 性好。 能提供水下资源勘探、 油气资源辅助维护、 应急与救助打捞等多种服务 ; 在大可变载荷条件下, 能提供高精度、 高效率和高可靠性的水下特殊工程支 持。 [0005] 本发明采用的技术方案是: 一种自升下潜式水下作业平台, 它包括主船体、 位 于主船体后端下方的两个导管螺旋桨和位于主船体前端甲板上的生活楼, 它还 包括桩腿、 塔吊、 下潜模块、 提升装置和龙门吊车, 所述主船体采用长方形结 构, 在主船体上设有一个贯通主船体型深范围的长方形平台月池, 在主船体的 四角各设置一个桩腿, 在后端的一个桩腿上设有套在桩腿外围的塔吊, 平台月 池的两侧甲板上平行设置支撑龙门吊车的轨道, 平台月池的四角甲板上各设置 一个提升装置, 每个提升装置各通过一个钢缆连接一个尺寸比平台月池小的下 潜模块的四角; 所述下潜模块采用多个桁架构件固定连接下潜作业甲板和下潜 模块底板的结构; 所述平台月池的两侧壁上设有与两侧工作舱室连接的水密门
[0006] 所述的一种自升下潜式水下作业平台的使用方法, 采用的步骤如下:
[0007] (a) 自航工况: 该工况包括自升下潜式水下作业平台通过导管螺旋桨推动航 行到作业海区和从作业海区返回, 以及在作业海区微调定位到作业点这三种情 况; 在自航工况吋, 桩腿上升, 桩靴收回到主船体内, 下潜模块回收到平台月 池内, 下潜模块底板底面与主船体船底面平齐, 压载水舱内无压载水, 塔吊和 龙门吊车收回到安全位置; 在作业海区微调定位吋, 动力定位系统控制导管螺 旋桨工作, 这吋塔吊和龙门吊车进行正常操作, 在平台月池内的下潜作业甲板 上布置测量设备;
[0008] (b) 压桩与站立工况: 自升下潜式水下作业平台到达海区作业点后, 桩腿下 降, 桩靴接触到海底; 这吋通过泵舱的压载泵给压载水舱注水, 增加主船体重 量, 并通过固桩区内的机构, 提升主船体离幵水面;
[0009] (c) 下潜模块水下作业工况: 在平台月池内的下潜作业甲板上布置测量设备
, 通过提升装置把下潜模块沉入水中, 进行水下或海底的作业, 完成作业后, 通过提升装置把下潜模块收回到平台月池内;
[0010] (d) 拔桩工况: 先通过固桩区内的机构下降主船体到水面, 排空压载水舱内 的压载水, 然后继续提升桩腿, 直到桩靴全部收回到主船体内;
[0011] (e)深海作业工况: 没有 (b) 和 (d) 工况。
发明的有益效果 有益效果
[0012] 这种自升下潜式水下作业平台包括主船体、 两个导管螺旋桨、 生活楼、 桩腿、 塔吊、 下潜模块、 提升装置和龙门吊车, 主船体采用长方形结构, 在主船体上 设有长方形平台月池, 四角各设置一个桩腿, 在后端的一个桩腿上设有套在桩 腿外围的塔吊, 平台月池的两侧甲板上平行设置支撑龙门吊车的轨道, 平台月 池的四角甲板上各设置一个提升装置, 每个提升装置通过钢缆连接一个尺寸比 平台月池小的下潜模块的四角, 下潜模块采用多个桁架构件固定连接下潜作业 甲板和下潜模块底板的结构, 平台月池的两侧壁上设有与两侧工作舱室连接的 水密门。 该作业平台结构简单, 使用方便, 功能多样化, 操作控制稳定性好。 能提供水下资源勘探、 油气资源辅助维护、 应急与救助打捞等多种服务; 在大 可变载荷条件下, 能提供高精度、 高效率和高可靠性的水下特殊工程支持。 对附图的简要说明
附图说明
[0013] 图 1是自升下潜式水下作业平台的立体图。
[0014] 图 2是自升下潜式水下作业平台的侧视图。
[0015] 图 3是自升下潜式水下作业平台的俯视图。
[0016] 图 4是自升下潜式水下作业平台的仰视图。
[0017] 图 5是自升下潜式水下作业平台的尾视图。
[0018] 图 6是自升下潜式水下作业平台的首视图。
[0019] 图 7是提升装置局部放大图。
[0020] 图 8是模块吊点局部放大图。
[0021] 图 9是门吊吊钩局部放大图。
[0022] 图 10是主船体内部舱室结构图。
[0023] 图 11是作业平台在水面漂浮状态下的下潜模块水下作业侧视图。
[0024] 图中: 1、 主船体, la、 工作舱室, lb、 机舱, lc、 压载水舱, ld、 淡水舱, 1 e、 燃油舱, lf、 泵舱, lg、 主甲板, lh、 固桩区, li、 进气管, lj、 排气口, 2 、 平台月池, 3、 水密门, 4、 导管螺旋桨, 5、 导流槽孔, 6、 桩腿, 6a、 桩靴, 6b、 销孔, 7、 塔吊, 7a、 吊臂, 7b塔吊吊钩, 7c塔吊控制室, 7d配重机构, 8、 生活楼, 8a、 直升机平台, 8b、 梯子, 8c、 窗口, 9、 下潜模块, 9a、 下潜作业 甲板, %、 桁架构件, 9c、 下潜模块底板, 9d、 模块吊点, 10、 提升装置, 10a 、 绞车, 10b、 支架, 10c、 滑轮, 10d、 钢缆, 11、 龙门吊车, l la、 门吊吊钩, l ib. 轮子, 12、 轨道, 13、 救生艇。 。
实施该发明的最佳实施例
本发明的最佳实施方式
[0025] 以下参照附图对本发明的结构做进一步描述。
[0026] 图 1表示出一种自升下潜式水下作业平台的整体结构形式的立体图, 图 2、 3、 4 、 5、 6分别表示出它的侧视图、 俯视图、 仰视图、 尾视图和首视图。 这种自升 下潜式水下作业平台包括主船体 1和下潜模块 9结构。 主船体 1的首尾两端呈楔形 , 以减小船体航行阻力; 主船体 1通过固桩区 lh结构与圆柱形桩腿 6连接, 桩腿 6 起到支撑主船体 1的作用, 主船体 1能够在沿着桩腿 6升降, 桩腿 6上设有销孔 6b , 用于锁止主船体 1和桩腿 6的位置, 在桩腿 6底部设有桩靴 6a, 桩靴 6a能够增大 对海底的受力面积, 并提高桩腿 6对主船体 1的支撑力。 在主船体 1中部幵设平台 月池 2, 平台月池 2贯通主船体 1型深范围; 在平台月池 2中放置下潜模块 9, 下潜 模块 9的四角通过钢缆 10d与主船体 1的主甲板 lg上的提升装置 10连接 (如图 7所 示) , 下潜模块 9通过提升装置 10的收放功能, 在平台月池 2下方下潜到水中或 海底作业。 提升装置 10由绞车 10a和支架 10b, 以及支架 10b上端的滑轮 10c组成, 钢缆 10d绕过滑轮 10c, 其一端与绞车 10a轮毂连接, 另一端与模块吊点 9d连接 ( 如图 8所示) 。 下潜模块 9由下潜作业甲板 9a、 下潜模块底板 9c, 以及连接下潜作 业甲板 9a和下潜模块底板 9c的桁架构件 9b组成, 模块吊点 9d设置在下潜作业甲板 9a四角, 并与桁架构件%中的垂直杆件组成连续的传力结构。 下潜模块 9的结构 重量轻, 水流阻力小, 能够提供稳定的下潜工作平台用于水下作业, 而且下潜 模块 9、 模块吊点 9d9和提升装置 10组成的机构方便于维护和保养。 在固桩区 lh 上端设置塔吊 7, 塔吊 7与固桩区 lh结构连续, 塔吊 7套在桩腿 6外围, 相互之间 没有运动干涉。 塔吊 7由吊臂 7a、 塔吊吊钩 7b、 塔吊控制室 7c和配重机构 7d组成 , 吊臂 7a长度要满足主甲板 lg面积范围内的吊装要求, 塔吊 7除了满足主船体 1和 下潜模块 9吊装需求外, 还具有主船体 1与其周边辅助船舶之间的吊装需求。 在 主船体 1左右两舷的主甲板 lg上, 以及平台月池 2两侧, 设置两条对称的轨道 12 , 轨道 12长度覆盖主船体 1纵向范围。 龙门吊车 11通过吊车轮子在轨道 12上滚动 , 龙门吊车 11的横梁上设置门吊吊钩 11a (如图 9所示) ; 龙门吊车 11主要用于平 台月池 2内的下潜作业甲板 9a上的吊装服务, 也兼顾主甲板 lg和生活楼 8的吊装需 求。 生活楼 8是以撬罐模块形式, 吊装放置在主甲板 lg首部中间, 生活楼 8顶部 是直升机平台 8a, 侧面幵有窗口 8c, 并设置上下联通的梯子 8b, 梯子 8b还兼顾消 防与逃生通道, 使人员能够最快捷地达到设置在主船体 1首部两舷侧的救生艇 13 。 在主船体 1尾端底部, 设置流线型的导流槽孔 5 (如图 4所示) , 使得水流顺畅 到达导管螺旋桨 4位置, 提高导管螺旋桨 4的推进效率。
[0027] 图 10表示出主船体 1揭幵主甲板 lg后的内部舱室结构图。 分别设置了工作舱室 1 a、 机舱 lb、 压载水舱 lc、 淡水舱 ld、 燃油舱 le和泵舱 lf。 在工作舱室 la的平台 月池 2内舷侧, 幵设水密门 3 ; 当下潜模块 9回收到平台月池 2里吋, 水密门 3打幵 , 方便人员在下潜作业甲板 9a上工作和布放测试设备。 压载水舱 lc设置在桩腿 6 附近, 以提高桩腿 6的压桩能力。 淡水舱 Id设置在生活楼 8下方, 以方便供水设 施铺设。 在主甲板 lg上设置鹅颈进气管 li, 用于机舱 lb内主机设备供气。 在尾封 板上幵设排气口 lj, 通过管路与机舱 lb联通。
[0028] 图 11是作业平台在水面漂浮状态下的下潜模块水下作业侧视图。 对于深海作业 情况, 这吋桩腿 6长度有限, 桩靴 6a不能触及海底, 因此桩腿 6和桩靴 6a保持在自 航状态, 主船体 1漂浮在水面上; 导管螺旋桨 4通过动力定位系统控制方位; 下 潜模块 9通过提升机构 10下潜到水中或海底。
[0029] 上述的自升下潜式水下作业平台的使用方法采用的步骤如下:
[0030] (a) 自航工况: 该工况包括自升下潜式水下作业平台通过导管螺旋桨 4推动航 行到作业海区和从作业海区返回, 以及在作业海区微调定位到作业点这三种情 况。 在自航工况吋, 桩腿 6上升, 桩靴 6a收回到主船体 1内, 下潜模块 9回收到平 台月池 2内, 下潜模块底板 9c底面与主船体 1船底面平齐, 压载水舱 lc内无压载水 , 以减小航行阻力。 塔吊 7和龙门吊车 11收回到安全位置。 在作业海区微调定位 吋, 动力定位系统控制导管螺旋桨 4工作, 这吋塔吊 7和龙门吊车 11可以进行正 常操作, 在平台月池 2内的下潜作业甲板 9a上布置测量设备和下潜工作前的准备 工作。
[0031] (b) 压桩与站立工况: 自升下潜式水下作业平台到达海区作业点后, 桩腿 6下 降, 桩靴 6a接触到海底; 这吋通过泵舱 If的压载泵给压载水舱 lc注水, 增加主船 体 1重量, 并通过固桩区 lh内的机构, 提升主船体 1离幵水面一定高度。
[0032] (c) 下潜模块水下作业工况: 在平台月池 2内的下潜作业甲板 9a上布置测量设 备和下潜工作前的准备工作。 然后通过提升机构 10把下潜模块 9沉入水中, 进行 水下或海底的作业。 完成作业后, 还是通过提升机构 10把下潜模块 9收回到平台 月池 2内。
[0033] (d) 拔桩工况: 先通过固桩区 lh内的机构下降主船体 1到水面, 排空压载水舱 lc内的压载水, 以增加主船体 1的有效浮力; 然后继续提升桩腿 6, 直到桩靴 6a全 部收回到主船体 1内。
[0034] (e) 深海作业工况: 没有 (b) 和 (d) 工况。
本发明的实施方式
[0035] 同最佳实施方式。
工业实用性
[0036] 这种自升下潜式水下作业平台包括主船体、 两个导管螺旋桨、 生活楼、 桩腿、 塔吊、 下潜模块、 提升装置和龙门吊车, 主船体采用长方形结构, 在主船体上 设有长方形平台月池, 四角各设置一个桩腿, 在后端的一个桩腿上设有套在桩 腿外围的塔吊, 平台月池的两侧甲板上平行设置支撑龙门吊车的轨道, 平台月 池的四角甲板上各设置一个提升装置, 每个提升装置通过钢缆连接一个尺寸比 平台月池小的下潜模块的四角, 下潜模块采用多个桁架构件固定连接下潜作业 甲板和下潜模块底板的结构, 平台月池的两侧壁上设有与两侧工作舱室连接的 水密门。 该作业平台结构简单, 使用方便, 功能多样化, 操作控制稳定性好。 能提供水下资源勘探、 油气资源辅助维护、 应急与救助打捞等多种服务; 在大 可变载荷条件下, 能提供高精度、 高效率和高可靠性的水下特殊工程支持。 序列表自由内容
[0037] 无。

Claims

权利要求书
[权利要求 1] 一种自升下潜式水下作业平台, 它包括主船体 (1) 、 位于主船体 (1
) 后端下方的两个导管螺旋桨 (4) 和位于主船体 (1) 前端甲板上的 生活楼 (8) , 其特征是: 它还包括桩腿 (6) 、 塔吊 (7) 、 下潜模 块 (9) 、 提升装置 (10) 和龙门吊车 (11) , 所述主船体 (1) 采用 长方形结构, 在主船体 (1) 上设有一个贯通主船体 (1) 型深范围的 长方形平台月池 (2) , 在主船体 (1) 的四角各设置一个桩腿 (6) , 在后端的一个桩腿 (6) 上设有套在桩腿外围的塔吊 (7) , 平台月 池 (2) 的两侧甲板上平行设置支撑龙门吊车 (11) 的轨道 (12) , 平台月池 (2) 的四角甲板上各设置一个提升装置 (10) , 每个提升 装置 (10) 各通过一个钢缆 (10d) 连接一个尺寸比平台月池 (2) 小 的下潜模块 (9) 的四角; 所述下潜模块 (9) 采用多个桁架构件 (9b ) 固定连接下潜作业甲板 (9a) 和下潜模块底板 (9c) 的结构; 所述 平台月池 (2) 的两侧壁上设有与两侧工作舱室 (la) 连接的水密门 (3) 。
[权利要求 2] 根据权利要求 1所述的一种自升下潜式水下作业平台的使用方法, 其 特征是: 采用的步骤如下:
(a) 自航工况: 该工况包括自升下潜式水下作业平台通过导管螺旋 桨 (4) 推动航行到作业海区和从作业海区返回, 以及在作业海区微 调定位到作业点这三种情况; 在自航工况吋, 桩腿 (6) 上升, 桩靴
(6a) 收回到主船体 (1) 内, 下潜模块 (9) 回收到平台月池 (2) 内, 下潜模块底板 (9c) 底面与主船体 (1) 船底面平齐, 压载水舱
( lc) 内无压载水, 塔吊 (7) 和龙门吊车 (11) 收回到安全位置; 在作业海区微调定位吋, 动力定位系统控制导管螺旋桨 (4) 工作, 这吋塔吊 (7) 和龙门吊车 (11) 进行正常操作, 在平台月池 (2) 内 的下潜作业甲板 (9a) 上布置测量设备;
(b) 压桩与站立工况: 自升下潜式水下作业平台到达海区作业点后 , 桩腿 (6) 下降, 桩靴 (6a) 接触到海底; 这吋通过泵舱 (If) 的 压载泵给压载水舱 (lc) 注水, 增加主船体 (1) 重量, 并通过固桩 区 (lh) 内的机构, 提升主船体 (1) 离幵水面;
(c) 下潜模块水下作业工况: 在平台月池 (2) 内的下潜作业甲板 ( 9a) 上布置测量设备, 通过提升装置 (10) 把下潜模块 (9) 沉入水 中, 进行水下或海底的作业, 完成作业后, 通过提升装置 (10) 把下 潜模块 (9) 收回到平台月池 (2) 内;
(d) 拔桩工况: 先通过固桩区 (lh) 内的机构下降主船体 (1) 到水 面, 排空压载水舱 (lc) 内的压载水, 然后继续提升桩腿 (6) , 直 到桩靴 (6a) 全部收回到主船体 ( 1) 内;
(e) 深海作业工况: 没有 (b) 和 (d) 工况。
PCT/CN2017/078080 2016-04-03 2017-03-24 自升下潜式水下作业平台及其使用方法 Ceased WO2017173934A1 (zh)

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