CN112921939A - Offshore mud flat operation device - Google Patents

Offshore mud flat operation device Download PDF

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Publication number
CN112921939A
CN112921939A CN202110175963.5A CN202110175963A CN112921939A CN 112921939 A CN112921939 A CN 112921939A CN 202110175963 A CN202110175963 A CN 202110175963A CN 112921939 A CN112921939 A CN 112921939A
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CN
China
Prior art keywords
platform
liftable
platform body
offshore
auxiliary
Prior art date
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Pending
Application number
CN202110175963.5A
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Chinese (zh)
Inventor
丁全智
王秉权
张庆
宫经海
张兴杰
吴春美
宋健
韩亚飞
孟凡霸
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Tz Tianjin Binhai Heavy Machinery Co ltd
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Tz Tianjin Binhai Heavy Machinery Co ltd
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Application filed by Tz Tianjin Binhai Heavy Machinery Co ltd filed Critical Tz Tianjin Binhai Heavy Machinery Co ltd
Priority to CN202110175963.5A priority Critical patent/CN112921939A/en
Publication of CN112921939A publication Critical patent/CN112921939A/en
Pending legal-status Critical Current

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    • 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
    • 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

Abstract

The invention discloses an offshore beach operation device, which comprises a first operation platform component, a second platform component and a moving system, wherein the first operation platform component is connected with the second platform component through a pipeline; the first operation platform assembly comprises a first platform body and a plurality of first liftable pile legs; the second operation platform assembly comprises a second platform body and a plurality of second liftable pile legs; the first platform body and the second platform body are connected in a relatively movable mode through a moving system. The offshore mud flat operation device can directly move on the water surface through the relative movement of the first platform body and the second platform body, and the self-transfer function is realized, so that the defect that the traditional self-elevating construction platform can move only by using external forces such as a tugboat and the like can be avoided, and the construction cost and the construction time are saved; the integral height of the offshore beach operation device is adjusted through the first liftable pile leg and the second liftable pile leg, the integral height of the offshore beach operation device can be conveniently adjusted along with the depth of a water area, the operation is not influenced by tides or water depth, and the self-sustaining capability is strong.

Description

Offshore mud flat operation device
Technical Field
The invention belongs to the technical field of production operation equipment in shallow water areas, and particularly relates to an offshore mud flat operation device.
Background
The offshore beach development space is wide, and the construction requirements are increasing day by day: such as offshore wind power, cross-sea bridges, offshore substations, offshore confluence stations, offshore aquaculture plants, submarine mineral mining, various offshore relay stations, submarine exploration, marine biological science research and the like. At present, most of offshore mudflat development depends on a large engineering ship or a self-elevating construction platform, and the following obvious defects exist:
the large engineering ship has higher requirements on water depth, the draft is generally more than 5m, the offshore beach water is shallow, the water depth is not fixed due to the influence of tide, and the construction window period of the large ship in most beach sea areas is extremely short or even completely incapable of construction. In addition, large ships are more susceptible to weather, such as high winds.
Self-elevating construction platform, because self-carrying spud leg, main platform during operation breaks away from the surface of water completely, compares in the engineering ship, does not receive the depth of water restriction during the construction operation, and the operation window period is prolonged greatly. However, the self-elevating platform does not have power, the transition needs to be assisted by a tugboat, and the mudflat construction operation necessarily needs to be frequently transitioned, so that the construction efficiency is greatly restricted, and the construction cost is improved. And once the platform is transferred, the pile legs must be lowered and the platform floats on itself, which further puts the same harsh requirements on the depth of water in the platform operation sea area as large construction ships.
Compared with the deep sea, the offshore mudflat operation is various, and at present, a large construction ship and a self-elevating construction platform on the market have single functions and are difficult to meet the requirements of various construction operations. Meanwhile, the utilization rate is extremely low, and the construction cost is high.
Disclosure of Invention
The invention provides an offshore beach operation device, aiming at the problems that the traditional construction equipment for offshore beach operation has long operation window period limited by water depth, is inconvenient to move and has low construction efficiency, single function and harsh operation conditions and is difficult to meet various construction operation requirements, and the technical problems that the offshore beach operation equipment has single function, harsh operation conditions, low utilization rate and high construction cost in the prior art are solved.
In order to solve the technical problem, the invention provides an offshore beach operation device, which comprises a first operation platform assembly, a second platform assembly and a moving system; the first operation platform assembly comprises a first platform body and a plurality of first liftable pile legs; the second operation platform assembly comprises a second platform body and a plurality of second liftable pile legs; the first platform body and the second platform body are connected in a relatively movable mode through the moving system.
In one embodiment, the first work platform assembly further comprises a first lifting driving structure, wherein the first lifting driving structure is used for driving the first lifting pile leg to lift; the second operation platform assembly further comprises a second lifting driving structure, and the second lifting driving structure is used for driving the second lifting pile leg to lift.
In one embodiment, a plurality of first liftable pile legs can be lifted synchronously or asynchronously under the driving of the first lifting driving structure; and a plurality of second lifting pile legs can be driven by the second lifting driving structure to lift synchronously or asynchronously.
In one embodiment, the moving system comprises a first moving structure located on the first platform body and a second moving structure located on the second platform body, and the first platform body and the second platform body are relatively movable along a horizontal plane by the first moving structure and the second moving structure.
In one embodiment, the movement system further comprises a movement driving structure for driving the relative movement between the first movement structure and the second movement structure.
In one embodiment, the moving manner between the first moving structure and the second moving structure is sliding movement or rolling movement.
In one embodiment, the offshore mud flat working device further comprises a control system communicatively connected to the movement drive structure, the first lift drive structure and the second lift drive structure.
In one embodiment, the offshore beach operation apparatus further comprises a locking system for locking the first platform body relative to the second platform body.
In one embodiment, the offshore mud flat working device further comprises a plurality of auxiliary working platform assemblies, each auxiliary working platform assembly comprises an auxiliary platform body and a plurality of auxiliary lifting spuds, an upper auxiliary moving structure which is the same as the second moving structure is arranged on the upper surface of each auxiliary platform body, a lower auxiliary moving structure which is the same as the first moving structure is arranged on the lower surface of each auxiliary platform body, and the auxiliary platform bodies of the plurality of auxiliary working platforms are connected with each other sequentially through the upper auxiliary moving structure and the lower auxiliary moving structure; the lower surface of the second platform body is also provided with a lower auxiliary moving structure, and the second platform body is connected with the auxiliary platform body which is positioned at the uppermost part of the plurality of auxiliary operation platforms through the upper auxiliary moving structure and the lower auxiliary moving structure.
In one embodiment, the offshore beach operation apparatus is further provided with a sampling structure, and the sampling structure is arranged inside any one or more of the first liftable leg, the second liftable leg and the auxiliary liftable leg.
According to the offshore beach operation device, the offshore beach operation device can directly move on the water surface through the relative movement of the first platform body and the second platform body, the self-transfer function is achieved, the defect that the traditional self-elevating construction platform can move only by using external forces such as a tugboat and the like can be overcome, and the construction cost and the construction time are saved; the integral height of the offshore beach operation device can be further adjusted through the first liftable pile leg and the second liftable pile leg, the integral height of the offshore beach operation device can be conveniently adjusted along with the depth of a water area, the operation is not influenced by tides or water depth, the self-sustaining capacity is strong, and therefore the application range of the offshore beach operation device is wider. The offshore tidal flat operation device has the characteristics of no influence of tide or water depth limitation, convenient movement and high utilization rate, can greatly improve the construction efficiency, reduce the construction cost and meet the requirements of offshore tidal flat operation of different projects.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a front view of an offshore mud flat unit according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a state of motion of a first work platform assembly of the offshore mud flat work device in accordance with one embodiment of the present invention;
FIG. 3 is a diagram illustrating a state of motion of a first work platform assembly of the offshore mud flat work device in accordance with one embodiment of the present invention.
110, a first platform body; 120. a first liftable pile leg; 130. a first elevation drive structure; 210. a second platform body; 220. a second liftable pile leg; 230. a second elevation drive structure; 310. a first moving structure; 320. the drive structure is moved.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the offshore beach operation apparatus according to the invention includes a first operation platform assembly, a second platform assembly and a moving system; the first work platform assembly comprises a first platform body 110 and a plurality of first liftable legs 120; the second work platform assembly comprises a second platform body 210 and a plurality of second liftable legs 220; the first stage body 110 and the second stage body 210 are connected to each other to be movable relative to each other by a moving system.
According to the offshore beach operation device, the offshore beach operation device can directly move on the water surface through the relative movement of the first platform body 110 and the second platform body 210, the transfer function is provided, the defect that the traditional self-elevating construction platform can move only by using external force such as a tugboat and the like can be overcome, and the construction cost and the construction time are saved; further, the overall height of the offshore beach operation device is adjusted through the first liftable pile leg 120 and the second liftable pile leg 220, the overall height of the offshore beach operation device can be conveniently adjusted along with the depth of the water area, the operation is not influenced by tides or water depth, the self-sustaining capability is strong, and therefore the application range of the offshore beach operation device is wider. The offshore tidal flat operation device has the characteristics of no influence of tide or water depth limitation, convenient movement and high utilization rate, can greatly improve the construction efficiency, reduce the construction cost and meet the requirements of offshore tidal flat operation of different projects.
When the offshore beach operation device works, the first platform body 110 is inserted into the seabed through the first liftable pile leg 120 and fixed in the beach, and the second platform body 210 is positioned below the first platform body 110. When the offshore beaching apparatus requires a larger self-sustaining force, the second liftable leg 220 connected to the second platform body 210 can be inserted into the seabed to further increase the fixation of the offshore beaching apparatus.
When a larger working platform area is needed, the second platform body 210 can be inserted into the seabed and fixed in the beach through the second liftable leg 220 after being removed from the lower part of the first platform body 110.
When the second platform body 210 needs to be moved, the second platform body 210 slides out from the lower part of the first platform body 110, and then is inserted into the seabed through the second liftable pile leg 220 to be fixed in the mud flat; then, the first liftable leg 120 is pulled out from the seabed and the first liftable leg 120 is ensured to be in a non-mud-entering state, and the first platform body 110 is driven to move above the second platform for a proper distance, and then the first liftable leg 120 is inserted into the sea and fixed in the mud flat; then, the second liftable leg 220 is pulled out from the seabed and the second liftable leg 220 is ensured to be in a non-mud-entering state, the second platform body 210 is driven to move for a proper distance below the first platform, and then the second liftable leg 220 is inserted into the sea and fixed in the mud flat; and the rest is repeated until the offshore beach operation device moves to the target position.
As an optional implementation, the first work platform assembly further includes a first elevating driving structure 130, and the first elevating driving structure 130 is configured to drive the first elevating leg 120 to ascend and descend; the second work platform assembly further comprises a second elevation driving structure 230, the second elevation driving structure 230 being configured to drive the elevation of the second liftable leg 220. For example, specifically, optionally, the first liftable leg 120 has a rack, the first lifting driving structure 130 is provided with a motor, a gear and a rack, the gear is driven by the motor, the rack is driven by the gear, and then the rack of the first lifting driving structure 130 drives the rack of the first liftable leg 120, thereby driving the first liftable leg 120 to lift.
Preferably, the number of the first liftable legs 120 of the first work platform assembly is four or more, and the number of the first liftable legs 120 of the first work platform assembly is four or more. Typically, the offshore mud flat working device is movable in the fore-and-aft, left-and-right directions. For example, when the offshore mud flat working device only needs to move in the front-rear direction, the first plurality of liftable legs 120 may be disposed on the left and right sides of the first platform body 110 to increase the self-sustaining force, and when the offshore mud flat working device only needs to move in the left-right direction, the first plurality of liftable legs 120 may be disposed on the front and rear sides of the first platform body 110 to increase the self-sustaining force; when the offshore beach operation device needs to move forward, backward, leftward and rightward, the number of the first liftable legs 120 is preferably four, and the number of the second liftable legs 220 is also preferably four, so that the first platform body 110 and the second platform body 210 can move forward, backward, leftward and rightward; further preferably, the first work platform assembly is further provided with a first detachable liftable leg, the second work platform assembly is further provided with a first detachable liftable leg, and when the offshore beach work apparatus needs to be operated under more severe conditions, the self-sustaining force of the offshore beach work apparatus can be enhanced by installing the first detachable liftable leg and the first detachable liftable leg on the first platform body 110 and the second platform body 210.
As an optional implementation, the first elevating legs 120 may be driven by the first elevating driving structure 130 to be lifted synchronously or asynchronously; the second elevating legs 220 can be driven by the second elevating driving structure 230 to be elevated synchronously or asynchronously. In the flat offshore beach operation, all the first liftable legs 120 and all the second liftable legs 220 can be lifted synchronously to improve the working efficiency. During rugged offshore mudflat operation, the lifting height of the first lifting pile leg 120 and the second lifting pile leg 220 can be adjusted according to the height of the seabed so as to adapt to different seabed conditions.
As an alternative embodiment, the moving system includes a first moving structure 310 located on the first stage body 110 and a second moving structure located on the second stage body 210, and the first stage body 110 and the second stage body 210 can move relatively along a horizontal plane through the first moving structure 310 and the second moving structure. Wherein the first moving structure 310 is aligned with the second moving structure. Further preferably, the moving manner between the first moving structure 310 and the second moving structure is a sliding movement or a rolling movement. For example, the first moving structure 310 may be a slider, and the second moving structure may be a slide or a plane; as another example, the first moving structure 310 may be a rolling bearing, and the second moving structure may be a rail or a plane; for another example, when the first platform body 110 and the second platform body 210 are movable longitudinally or laterally, the first moving structure 310 may be a universal wheel, and the second moving structure may be a rail or a plane. In addition, preferably, the first moving structure 310 can be lifted relative to the first platform body 110, so that when the first platform body 110 moves in one direction, the first moving structure 310 used in different directions is lifted relative to the first platform body 110 to prevent the first platform body 110 from being hindered from moving.
As an alternative embodiment, the moving system further comprises a moving driving structure 320, and the moving driving structure 320 is used for driving the relative movement between the first moving structure 310 and the second moving structure.
With reference to fig. 1, it is further preferred that the first work platform assembly is a primary platform of the offshore beach operation apparatus, and has a relatively large self-weight, and the second work platform assembly is a secondary platform of the offshore beach operation apparatus, and has a relatively small self-weight; when the first moving structure 310 is a rolling bearing, the second moving structure is a rail, when the first platform body 110 moves relative to the second platform body 210, the rolling bearing rolls in the rail, rolling friction occurs between the first platform body 110 and the second platform body 210, when the second platform body 210 moves relative to the first platform body 110, the rail slides relative to the rolling bearing, rolling friction occurs between the second platform body 210 and the first platform body 110, the self weight of the first working platform assembly can be balanced through the rolling friction, and the stress condition of the moving system is balanced.
Further, as an alternative embodiment, the offshore beach operation apparatus further comprises a control system (not shown), which is communicatively connected to the movement drive structure 320, the first lift drive structure 130 and the second lift drive structure 230. The control system can remotely control the movement driving structure 320, the first elevation driving structure 130 and the second elevation driving structure 230.
Further, as an alternative embodiment, the offshore beaching operation device further comprises a locking system for relative locking between the first platform body 110 and the second platform body 210. When the offshore mud flat working device moves, the locking system is in an open state, and when the offshore mud flat working device is in a working state, the locking system is in a locked state, so that the phenomenon that the relative movement between the first platform body 110 and the second platform body 210 affects the safety of the operation of the offshore mud flat working device is avoided.
As an optional implementation manner, the offshore mud flat operation device further comprises a plurality of auxiliary operation platform assemblies, each auxiliary operation platform assembly comprises an auxiliary platform body and a plurality of auxiliary liftable pile legs, an upper auxiliary moving structure which is the same as the second moving structure is arranged on the upper surface of the auxiliary platform body, a lower auxiliary moving structure which is the same as the first moving structure 310 is arranged on the lower surface of the auxiliary platform body, and the auxiliary platform bodies of the plurality of auxiliary operation platforms are sequentially connected through the upper auxiliary moving structure and the lower auxiliary moving structure; the lower surface of the second platform body 210 is further provided with a lower auxiliary moving structure, and the second platform body 210 is connected with an auxiliary platform body located at the uppermost part of the plurality of auxiliary operation platforms through an upper auxiliary moving structure and a lower auxiliary moving structure. By arranging the plurality of auxiliary operation platform assemblies, the offshore beach operation device can be larger in expansion space, wider in application and higher in utilization rate.
Further, as an optional implementation manner, the offshore beach operation device is further provided with a sampling structure, and the sampling structure is arranged inside any one or more of the first liftable leg 120, the second liftable leg 220 and the auxiliary liftable leg. The sediment and/or mineral layer samples brought out of the seabed after the pile legs enter the sediment can be used for scientific research, mineral exploration and the like.
With continued reference to fig. 1 to 3, in an embodiment of the present invention, the first work platform assembly is used as a main platform of the offshore beach operation device, and the self-lifting of the first work platform assembly is realized by driving the corresponding sets of first liftable legs 120 to lift through the sets of first lifting driving structures 130; the self-sustaining force of the main platform is increased through the first liftable spud leg 120 of the first work platform assembly and the second liftable spud leg 220 of the second work platform assembly to prolong the construction window period, namely, the first liftable spud leg 120 and the second liftable spud leg 220 are simultaneously inserted into the seabed to increase the self-sustaining force of the main platform under the condition of need; the first moving structure 310 and the second moving structure are used for enabling the first platform body 110 and the second platform body 210 to move relatively, and the first liftable pile leg 120 and the second liftable pile leg 220 are matched to lift to realize stepping of the offshore beach operation device; the second platform body 210 is moved out of the first platform body 110, so that the working area of the offshore beach operation device can be increased, and the multifunctional use of the platform is realized.
The working process of the above specific embodiment is as follows:
when the offshore beach operation device is in standing operation, the first lifting pile leg 120 with the rack is inserted into the seabed to support the integral structure of the offshore beach operation device, and the moving system is in a locking state through the locking system to limit the movement of the second operation platform assembly. Further, the depth of the first liftable legs 120 with racks inserted into the seabed can be adjusted up and down by the first lifting driving structure 130 matched with the first liftable legs to avoid the potential risk of inclination of the offshore beach operation device caused by different mud depths of the first liftable legs 120, namely, the mud depths of the first liftable legs 120 standing on the seabed can be different, and the first liftable legs can be uniformly controlled and adjusted by a control system, so that the offshore beach operation device is kept horizontal all the time.
When the offshore beach operation device is in severe weather during standing operation, the first liftable pile leg 120 is inserted into the seabed, and the second liftable pile leg 220 of the first operation platform assembly is also inserted into the seabed, so that the self-sustaining capability of the offshore beach operation device is improved, and the construction window period is prolonged.
When the offshore beach operation device needs to advance or retreat, the second liftable pile legs 220 of all the second operation platform components are firstly ensured to be in a non-mud entering state, the second platform body 210 is driven to move forwards/backwards by the moving system, after the first platform body 110 moves to a preset position, the moving system is locked by the locking system, and then the second liftable pile legs 220 with racks are driven to be inserted into the seabed by the second lifting driving structure 230; subsequently, the first liftable leg 120 is pulled out from the seabed by the first lifting driving structure 130 of the first working platform assembly, the locking system unlocks the moving system, and then the first platform body 110 is driven to move forward/backward by the moving system, after the first platform body 110 is moved to a predetermined position, the locking system locks the moving system, and then the first liftable leg 120 with the rack is driven to be inserted into the seabed by the first lifting driving structure 130. The operation is circulated to realize the forward/backward movement transition of the whole offshore beach operation device.
When the offshore beach operation device needs to move leftwards or rightwards, the second liftable pile legs 220 of all the second operation platform components are firstly ensured to be in a non-mud entering state, the moving system is used for driving the second platform body 210 to move leftwards or rightwards, after the first platform body 110 moves to a preset position, the moving system is locked through the locking system, and then the second liftable pile legs 220 with racks are driven to be inserted into the seabed through the second lifting driving structure 230; subsequently, the first liftable leg 120 is pulled out from the seabed by the first lifting driving structure 130 of the first working platform assembly, the locking system unlocks the moving system, and then the first platform body 110 is driven to move left/right by the moving system, after the first platform body 110 moves to a predetermined position, the locking system locks the moving system, and then the first liftable leg 120 with the rack is driven to be inserted into the seabed by the first lifting driving structure 130. The operation is circularly carried out, so that the left/right movement transition of the whole offshore beach operation device is realized.
In the offshore beach operation device, the first operation platform assembly and the second operation platform assembly are moved by the unified moving system, in the embodiment, the first operation platform assembly is used as a main platform, the dead weight of the platform is larger, the second operation platform assembly is used as a secondary platform, the dead weight of the platform is lighter, and when the first operation platform assembly is fixed and the second operation platform assembly moves, the friction force during the movement is far smaller than the friction force during the fixing of the second operation platform assembly and the movement of the first operation platform assembly. In order to balance the stress of the mobile system in two mobile states, the lower part of the first platform body 110 is provided with a rolling bearing, the lower part of the second platform body 210 is provided with a track for accommodating the rolling bearing, and the upper part of the second platform body 210 is provided with a smooth deck added with lubricating grease, so that the first operation platform component is fixed and the second operation platform component is in sliding friction when moving, the second operation platform component is fixed and the first operation platform component is in rolling friction when moving, and the stress of the mobile system in the two mobile states is balanced.
Furthermore, the upper surface of the second platform body 210 is a smooth deck, through which different modules can be carried for adjusting the use of the offshore beach working apparatus. For example, a living module is mounted as a living support platform, a crane is mounted as a construction platform, and a fan is mounted as a wind power installation platform.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for apparatus or system embodiments, since they are substantially similar to method embodiments, they are described in relative terms, as long as they are described in partial descriptions of method embodiments. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The foregoing is directed to embodiments of the present invention, and it is understood that various modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention.

Claims (10)

1. An offshore mud flat working arrangement, characterized in that the offshore mud flat working arrangement comprises a first working platform assembly, a second platform assembly and a moving system; the first operation platform assembly comprises a first platform body (110) and a plurality of first liftable pile legs (120); the second working platform assembly comprises a second platform body (210) and a plurality of second liftable pile legs (220); the first platform body (110) and the second platform body (210) are connected in a relatively movable mode through the moving system.
2. Offshore beach working apparatus according to claim 1, wherein the first working platform assembly further comprises a first elevation drive structure (130), the first elevation drive structure (130) being adapted to drive the elevation of the first liftable leg (120); the second work platform assembly further comprises a second lifting driving structure (230), and the second lifting driving structure (230) is used for driving the second liftable pile leg (220) to lift.
3. Offshore beach working apparatus according to claim 2, wherein a number of the first liftable legs (120) are synchronously liftable or non-synchronously liftable under the drive of the first lifting drive structure (130); the second lifting pile legs (220) can be driven by the second lifting driving structure (230) to lift synchronously or asynchronously.
4. Offshore beach working apparatus according to claim 3, wherein the movement system comprises a first movement structure (310) at the first platform body (110) and a second movement structure at the second platform body (210), the first platform body (110) and the second platform body (210) being relatively movable along a horizontal plane by means of the first movement structure (310) and the second movement structure.
5. Offshore beach working apparatus according to claim 4, wherein the movement system further comprises a movement drive structure (320), the movement drive structure (320) being adapted to drive a relative movement between the first movement structure (310) and the second movement structure.
6. Offshore beach working apparatus according to claim 5, wherein the movement between the first moving structure (310) and the second moving structure is a sliding movement or a rolling movement.
7. Offshore beach operation device according to claim 6, further comprising a control system which is in communication connection with the movement drive structure (320), the first lift drive structure (130) and the second lift drive structure (230).
8. Offshore beach operation device according to any of the claims 1-7, which further comprises a locking system for relative locking between the first (110) and second (210) platform bodies.
9. The offshore beach operation apparatus of claim 8 further comprising a plurality of auxiliary operation platform assemblies, wherein each auxiliary operation platform assembly comprises an auxiliary platform body and a plurality of auxiliary liftable legs, an upper auxiliary moving structure identical to the second moving structure is arranged on the upper surface of the auxiliary platform body, a lower auxiliary moving structure identical to the first moving structure (310) is arranged on the lower surface of the auxiliary platform body, and the auxiliary platform bodies of the plurality of auxiliary operation platforms are sequentially connected through the upper auxiliary moving structure and the lower auxiliary moving structure;
the lower surface of the second platform body (210) is further provided with a lower auxiliary moving structure, and the second platform body (210) is connected with the auxiliary platform bodies which are positioned at the uppermost parts of the plurality of auxiliary operation platforms through the upper auxiliary moving structure and the lower auxiliary moving structure.
10. Offshore beach operation device according to claim 8, wherein the offshore beach operation device is further provided with a sampling structure arranged inside any one or several of the first liftable leg (120), the second liftable leg (220), the auxiliary liftable legs.
CN202110175963.5A 2021-02-09 2021-02-09 Offshore mud flat operation device Pending CN112921939A (en)

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