CN117104450A - Construction method of conveying installation ship and pile body and construction method of jacket - Google Patents

Abstract

The invention relates to the technical field of offshore wind power, and discloses a construction method of a transportation and installation ship and a pile body and a construction method of a jacket, which comprises the following steps: the ship body is provided with an auxiliary mounting structure, the auxiliary mounting structure is suitable for being vertically communicated with the water surface, and a deck of the ship body is suitable for bearing a plurality of jackets and/or piles; the auxiliary platform is arranged on the auxiliary mounting structure and is provided with a load state for shielding the auxiliary mounting structure at least partially and carrying a jacket or a pile body and a state to be conveyed for conducting the auxiliary mounting structure; the first hoisting structure is arranged on the auxiliary installation structure and is suitable for hoisting the jacket or the pile body along the height direction; and the conveying device is arranged on the deck of the ship body and is suitable for conveying the jacket or the pile body between the deck and the auxiliary table. The lifting installation requirement of the jacket and the pile body can be met simultaneously, the lifting requirement can be met only by carrying out height adjustment at the position of the auxiliary installation structure, lifting and lifting are arranged at the fixed position, structural refitting of lifting can be realized on the premise that the rotary suspension arm is not arranged, the occupied deck space is small, and the improvement is convenient and the cost is low.

Description

Construction method of conveying installation ship and pile body and construction method of jacket

Technical Field

The invention relates to the technical field of offshore wind power, in particular to a construction method of a conveying installation ship and a pile body and a construction method of a jacket.

Background

The offshore wind power has the characteristics of rich resources, high power generation utilization time, no land occupation and suitability for large-scale development, and is an important field for the development of renewable energy sources. In recent years, with the development of the offshore wind power industry, the jacket and the pile body serving as the fan installation foundation are increasingly widely applied.

At present, with the development of offshore wind power to deep sea, the structural stability requirement on a fan installation foundation is further improved, and then the weight and the height of a jacket and a pile body are further increased, in the prior art, a carrier for carrying the jacket or the pile body is mainly a construction ship with a conveying ship and a floating structure, due to the increase of the height of the jacket and the increase of the vertical hoisting construction and the length of the pile body, the floating structure needs to be correspondingly matched with corresponding hoisting height, and has enough hoisting capacity, but on one hand, the selection range of the construction ship is reduced, the construction cost is improved, and on the other hand, due to the improvement of the hoisting capacity of the rotating boom type floating structure commonly used by the existing construction ship, larger boom installation and moving space are needed, the modification difficulty is large for the existing construction ship, and the transformation cost is high.

Disclosure of Invention

In view of the above, the invention provides a construction method for conveying and installing a ship and a jacket, which aims to solve the problems that the lifting capacity of a construction ship for lifting the jacket or a pile body in the prior art is insufficient, and the lifting adjustment mode of the construction ship in the prior art is difficult and the transformation cost is high.

In a first aspect, the present invention provides a transport mounting vessel comprising: the ship body is provided with an auxiliary mounting structure, the auxiliary mounting structure is suitable for being vertically communicated with the water surface, and a deck of the ship body is suitable for bearing a plurality of jackets and/or piles; the auxiliary platform is arranged on the auxiliary mounting structure and is provided with a load state for at least partially shielding the auxiliary mounting structure and carrying the jacket or the pile body and a state to be conveyed for conducting the auxiliary mounting structure; the first hoisting structure is arranged on the auxiliary mounting structure and is suitable for hoisting the jacket or the pile body along the height direction; and the conveying device is arranged on the deck of the ship body and is suitable for conveying the jacket or the pile body between the deck and the auxiliary table.

The beneficial effects are that:

the auxiliary installation structure is transported to the jacket or pile body through the conveying device, the auxiliary installation structure is vertically communicated with the water surface and is controllably opened and closed through the auxiliary table, the first hoisting structure is arranged on the auxiliary installation structure, the jacket or pile body can fall to the position below the water surface to finish the installation process through hoisting the jacket or pile body along the height direction, on the one hand, the hoisting installation requirements of the jacket and pile body materials can be met simultaneously through the hoisting of the first hoisting structure, on the other hand, the hoisting requirements can be met through the vertical lifting of the first hoisting structure, the hoisting of the fixed position can be realized only through the height adjustment of the position of the auxiliary installation structure, the structure modification of the hoisting of the fixed position can be realized on the premise of not arranging the rotary boom, the occupied deck space is small, the modification is convenient and the cost is low, the selection range of a construction ship is enlarged, the high capacity of the construction ship is not enough, the difficulty of the construction ship hoisting regulation mode in the prior art is effectively solved, and the modification cost is high.

The auxiliary mounting structure includes: notch structure sets up the tip of hull, notch structure open-ended avris inner edge with auxiliary table connects the setting, notch structure open-ended avris top is equipped with first hoisting structure.

The beneficial effects are that:

through setting up supplementary mounting structure for the notch structure at the hull tip, on the one hand, the setting of notch structure provides the space for installing and state change of auxiliary bench, and is convenient for set up jacket or pile body at auxiliary bench when being lifted by the hoist and mount, can pass notch structure, falls to the installation position below the surface of water, on the other hand, as the construction hoist and mount position of jacket or pile body, set up notch structure at the tip of hull, be convenient for transport installation ship and construction position location or dock.

The auxiliary station includes: the bearing table body is arranged on the inner edge of the side of the opening of the notch structure and is hinged with the notch structure, a sliding guide rail and a sliding assembly are arranged on the bottom side of the bearing table body, the sliding assembly comprises a sliding piece and a limit switch piece, the sliding piece is movably connected with the sliding guide rail and is suitable for limiting the sliding guide rail under the action of the limit switch piece; the telescopic rod is internally provided with a driving piece, one end of the telescopic rod is hinged with the sliding piece, the other end of the telescopic rod is arranged on the lower side of the bearing table body, is hinged with the inner edge of the side of the notch structure opening, and is suitable for stretching under the action of the driving piece; the bearing table body is provided with a load state which is horizontally arranged under the driving action of the telescopic rod, and a state to be conveyed which is attached to the inner edge of the side of the opening of the notch structure.

The beneficial effects are that:

through set up the sliding guide cooperation at the bottom side of plummer and have the slider of limit switch spare, simultaneously, the telescopic link articulates slider and notch structure open-ended avris inner edge respectively, set up like this, after the slider passes through limit switch spare and sliding guide spacing, the slider has realized the location on the plummer, then after the telescopic link stretches to preset length under the effect of driver, can be triangle stable structure, the drive plummer is the load state that stable level set up, on the other hand, after the slider breaks away from spacingly through limit switch spare and sliding guide, can be towards plummer and notch structure open-ended avris inner edge hinge point position motion, simultaneously, the telescopic link shrink under the effect of driver, and can shrink to the telescopic link, plummer bottom side and notch structure open-ended avris inner edge realization laminating wait to carry the state, the plummer at this moment can effectively reduce the area of sheltering from to notch structure, avoid taking place to interfere with the pipe guide or stake body.

Under the load state, the top surface of the bearing platform body is flush with the deck of the ship body.

The beneficial effects are that:

Under the load state, the top surface of plummer body with the deck of hull is the flush setting, can avoid like this to appear the difference in height between deck and the plummer body, and the conveyor of being convenient for steadily conveys jacket or pile body from the hull deck to the auxiliary stand.

The first hoisting structure comprises: the pile legs are vertically arranged and are connected and distributed at the top of the side of the opening of the notch structure; the hoisting main body is movably connected with the pile leg, is projected on the notch structure along the vertical direction, and is provided with a power part and a lifting hook part, the lifting hook part is detachably connected with the jacket and the pile body respectively, and the hoisting main body is suitable for lifting along the pile leg under the driving action of the power part.

The transport mounting vessel further comprises: and the second hoisting structure is arranged on the deck and is suitable for conveying the pile body between the conveying device and the deck.

The conveying device comprises: the first axis vehicle is suitable for bearing and conveying the jacket or the pile body; and/or the second axis car, the top surface is equipped with supplementary bearing cylinder, supplementary bearing cylinder bottom with the top of second axis car is articulated the connection, supplementary bearing cylinder is suitable for holding the tip of spacing pile body.

The beneficial effects are that:

because the pile body is stably conveyed and is normally vertically horizontally arranged on the deck, the pile body which is in a long rod shape is required to be adjusted from the horizontal direction to the vertical direction in the conveying and hoisting processes, when the pile body is in state change, the load size and the direction of a conveying device for conveying the pile body and the contact area with the pile body can be gradually changed, so that the problems of slipping and the like are avoided, two conveying units, namely a first axial vehicle and a second axial vehicle, are respectively arranged, on one hand, the jacket and the pile body part position can be borne through the first axial vehicle with a general top horizontally arranged load, on the other hand, an auxiliary bearing barrel which is hinged on the second axial vehicle can synchronously rotate along with the pile body end part and keep limited when the pile body state is changed after the end part of the limiting pile body is contained, the problem that the pile body is in the vertical direction is effectively avoided.

The transport mounting vessel further comprises: the sea binding structures are arranged at the bottom side of the jacket and are suitable for limiting the jacket and the deck, and the jacket and the lifting platform.

The beneficial effects are that:

through setting up the sea and binding the structure, can carry out spacingly to jacket and its position that sets up, when the jacket is installed on the deck, spacing its and deck can avoid appearing empting at the transportation installation ship in the marine advancing process, when the jacket is transported to the auxiliary bench, can confirm according to outside sea conditions whether need carry out spacingly to guide rail frame and auxiliary bench through sea binding structure, it is relatively poor to be outside sea conditions, can carry out spacingly through sea binding structure behind the auxiliary bench to transport the jacket, again after the sea conditions are steady, lift platform is before elevating movement, unbind.

The transport mounting vessel further comprises: and the auxiliary hammer is arranged on the deck and is adjacent to the auxiliary table.

In a second aspect, the present invention further provides a construction method of a pile body, which is applicable to the above transportation and installation ship, and includes: adjusting the auxiliary platform to a load state, and transferring the pile body from the deck to the auxiliary platform; controlling the first hoisting structure to hoist the pile body; adjusting the auxiliary table to a state to be conveyed; the first hoisting structure is driven downwards, so that the pile body passes through the auxiliary installation structure and moves to a preset installation position.

The step of transferring the pile body from the deck to the auxiliary platform comprises the following steps: preassembling a positioning frame; and pile turning channels are formed on adjacent decks of the auxiliary platform.

The beneficial effects are that:

through setting up the locating rack, can install auxiliary pile body, can retrain the installation interval between the pile body with the help of the locating rack when the pile body is installed, make it satisfy the installation needs of jacket, simultaneously, because in carrying and hoist and mount in-process, need long rod-shaped pile body from level to vertical adjustment, can provide the space for the state transformation of pile body and conveyor's transport through setting up the pile passageway of turning over.

The step of preassembling the locating rack comprises the following steps: presetting a positioning frame with a plurality of positioning sleeves on an auxiliary table; controlling the first hoisting structure to hoist and mount the positioning frame; adjusting the auxiliary table to a state to be conveyed; driving the first hoisting structure downwards to enable the positioning frame to penetrate through the auxiliary mounting structure, place the positioning frame to a first preset position and level; the adjustment assisting table is reset to the load state.

The step of transferring the pile from the deck to the auxiliary table comprises: conveying the pile body to a pile turning channel; controlling the first axial vehicle and the second axial vehicle to be mutually spaced and jointly bear the pile body, wherein the second axial vehicle bears one end of the limiting pile body far away from the auxiliary table; the second axis car and the first axis car are along turning over the stake passageway and carry the pile body, until the pile body falls to first hoisting structure downside towards the one end of auxiliary stand.

The step of controlling the first hoisting structure to hoist the pile body comprises the following steps: controlling the movable connection pile body of the first hoisting structure to face one end of the auxiliary table; the first axis vehicle is separated from the bearing pile body; controlling the first hoisting structure to pull up the pile body upwards, and enabling the second axial vehicle to travel along with the movement direction of the pile body on the deck until the auxiliary bearing cylinder is vertically upwards; and controlling the first hoisting structure to continuously lift the pile body, separating the end part of the pile body from the auxiliary bearing cylinder, and returning the second axis vehicle to the deck.

The step of driving the first hoisting structure downward to enable the pile body to pass through the auxiliary mounting structure and move to a preset mounting position comprises the following steps: controlling the ship body to move to be adjacent to the first preset position; driving the first hoisting structure downwards to enable the pile body to pass through the auxiliary mounting structure and correspondingly pass through the positioning sleeve of the positioning frame; and controlling the auxiliary hammer to strike the pile body so as to enable the pile body to move to a preset installation depth.

In a third aspect, the present invention further provides a construction method of a jacket, which is applicable to the above transportation and installation vessel, and includes: adjusting the auxiliary platform to a load state, and transferring the jacket from the deck to the auxiliary platform; controlling the first hoisting structure to hoist the jacket; adjusting the auxiliary table to a state to be conveyed; the first hoisting structure is driven downwards, so that the jacket penetrates through the auxiliary installation structure and moves to a preset installation position.

The step of transferring the jacket from the deck to the auxiliary station further comprises the following steps: and releasing the limit of the sea binding structure on the jacket.

The step before the step of controlling the first hoisting structure to hoist the jacket further comprises: acquiring sea state information; judging whether construction is continued or not; if not, regulating the auxiliary bench offshore binding structure to limit the jacket, and returning to the step of acquiring sea state information after the first preset time; if yes, executing the subsequent steps, or after the limit of the sea binding structure on the jacket on the auxiliary table is released, executing the subsequent steps.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a structure of a carrier-mounting vessel according to an embodiment of the present invention in a state of carrying a jacket;

FIG. 2 is a schematic side view of the transport and installation vessel of FIG. 1;

FIG. 3 is a schematic view of the transport mounting vessel of FIG. 1 in section A-A;

FIG. 4 is a schematic view of the transport mounting vessel of FIG. 1 in section B-B;

FIG. 5 is a schematic view of the auxiliary platform of FIG. 4 in a loaded state and a to-be-transported state with a partial enlargement of the E section of the transport installation vessel;

FIG. 6 is a schematic view of a structural variation of section B-B of the carrier of FIG. 1;

fig. 7 is a schematic structural view of a carrier-mounting vessel according to an embodiment of the present invention in a pile-carrying state;

FIG. 8 is a schematic side view of the transport and installation vessel of FIG. 7;

FIG. 9 is a schematic structural view of section C-C of the transport and installation vessel of FIG. 7;

FIG. 10 is a schematic view of the transport mounting vessel of FIG. 7 in section D-D;

FIG. 11 is a schematic view showing a structural change of section C-C of the transport and installation vessel of FIG. 7 when a positioning frame is installed;

FIG. 12 is a schematic view of a structural variation of section C-C of the transport installation vessel of FIG. 7 with the pile body inverted;

FIG. 13 is a schematic view showing the structural change of section C-C of the transport installation vessel of FIG. 7 when lifting and installing piles after turning over piles;

reference numerals illustrate:

1. a hull; 101. a deck; 102. a notch structure; 103. an auxiliary hammer; 104. a sea binding structure; 105. turning the pile channel; 2. an auxiliary table; 201. a carrying table body; 202. a telescopic rod; 3. a first hoisting structure; 301. a pile leg; 302. hoisting the main body; 303. a hook member; 4. a conveying device; 401. a first axis vehicle; 402. a second axis vehicle; 403. an auxiliary carrying cylinder; 5. a second hoisting structure; 6. a jacket; 7. a pile body; 8. a positioning frame; 9. the water surface.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

An embodiment of the present invention is described below with reference to fig. 1 to 13.

According to an embodiment of the present invention, there is provided in one aspect a transport installation vessel comprising: the ship comprises a ship body 1, an auxiliary platform 2, a first hoisting structure 3 and a conveying device 4.

In this embodiment, the hull 1 is provided as a mono-hull vessel, on which an auxiliary installation structure is provided, and the deck 101 of the hull 1 is adapted to vertically communicate with the water surface 9, and the specific location of the auxiliary installation structure is not limited, and may be provided at the bow or the stern, or may be provided at both sides of the hull 1, preferably, in this embodiment, the auxiliary installation structure is provided at the stern. As an alternative embodiment, the hull 1 may be provided as a catamaran, with the middle deck 101 connected together to reduce towing resistance. The jacket 6 or the pile body 7 can be carried on the deck 101, and the jacket 6 and the pile body 7 can be carried at the same time.

The auxiliary platform 2 is arranged on the auxiliary installation structure and has a loading state and a to-be-conveyed state, wherein the auxiliary platform 2 in the loading state is integrally arranged on the same plane, can bear the jacket 6 or the pile body 7, and partially or completely shields the auxiliary installation structure to prevent the jacket 6 or the pile body 7 from falling under the auxiliary platform 2, and the auxiliary platform 2 in the to-be-conveyed state can conduct the auxiliary installation structure to enable the jacket 6 or the pile body 7 to pass through the auxiliary installation structure and not bear the jacket 6 or the pile body 7.

In addition, the specific form of the auxiliary table 2 is not limited, in this embodiment, a double vertical hinged door type turnover structure is preferable, as a convertible embodiment, the auxiliary table 2 may also be a horizontally telescopic, drawing and folding table structure, as another convertible embodiment, the top surface of the auxiliary table 2 may also be provided with other shapes as required, so long as the transportation and bearing of the jacket 6 and the pile body 7 are satisfied, and the auxiliary table may be provided in an inclined plane or a groove shape. Further, the pile body 7 is specifically a steel pile, and other pile bodies 7 made of materials, such as a composite pile, can be arranged according to requirements.

The first hoisting structure 3 is arranged on the auxiliary mounting structure and is adapted to hoist the jacket 6 or the pile body 7 on the auxiliary table 2 in the height direction. The transfer device 4 is arranged on the deck 101 of the hull 1 and is adapted to transfer the jacket 6 or piles 7 between the deck 101 and the auxiliary deck 2.

The jacket 6 or the pile body 7 is transported to the auxiliary installation structure through the conveying device 4, the auxiliary installation structure is vertically communicated with the water surface 9 and is controllably opened and closed through the auxiliary table 2, the first hoisting structure 3 arranged on the auxiliary installation structure can hoist the jacket 6 or the pile body 7 along the height direction, the installation process is completed when the jacket 6 or the pile body 7 falls below the water surface 9, on one hand, the hoisting installation requirements of two materials of the jacket 6 and the pile body 7 can be met simultaneously, on the other hand, the first hoisting structure 3 for hoisting is completed through vertical lifting, the hoisting requirements can be met only by carrying out height adjustment at the position of the auxiliary installation structure, the hoisting is set up in a lifting manner of lifting the fixed position, the structure improvement of lifting can be realized on the premise of not arranging a rotary boom, the occupied space of the rotary boom 101 is small, the improvement is convenient and the cost is low, the selection range of a construction ship is enlarged, and the problems of large and the high improvement difficulty and the high adjustment of the construction ship in the prior art are effectively solved.

The auxiliary mounting structure comprises a notch structure 102, in this embodiment, the notch structure 102 is arranged at the end part of the hull 1 along the length direction, specifically the stern, as a changeable implementation mode, the opening of the notch structure 102 is arranged back to the hull, and along the height direction, the notch structure 102 is arranged in a through groove, in addition, the side of the opening of the notch structure 102 is internally provided with two groove walls of the notch structure 102 and the bottom wall thereof along a specific finger groove structure 102, and the bottom wall is specifically arranged on one side inner wall opposite to the opening, in this embodiment, the auxiliary platform 2 is connected and arranged on the two groove walls oppositely arranged, as a changeable implementation mode, the auxiliary platform 2 is also connected and arranged on the bottom wall. The top surfaces of the two groove walls of the groove structure 102 and the bottom wall thereof are all on the deck 101 of the hull 1, and the top of the side of the opening of the groove structure 102 specifically refers to the top surfaces of the two groove walls of the groove structure 102 and the bottom wall thereof, and in this embodiment, the first hoisting structure 3 is disposed on the top surfaces of the two groove walls, as an alternative embodiment, may also be disposed on the top surface of the bottom wall.

Through setting up supplementary mounting structure for the notch structure 102 at hull 1 tip, on the one hand, the setting of notch structure 102 provides the space for installing and the state change of auxiliary stand 2, and is convenient for set up jacket 6 or pile body 7 at auxiliary stand 2 when being lifted by the hoist and mount, can pass notch structure 102, falls to the installation position below surface of water 9, on the other hand, as the construction hoist position of jacket 6 or pile body 7, sets up notch structure 102 at hull 1's tip, and the transportation installation ship of being convenient for is fixed a position or is docked with the construction position.

The auxiliary station 2 includes: a carrying table body 201 and a telescopic rod 202.

Specifically, the bearing platform body 201 is in a planar plate shape, is arranged on the edge of the opening of the notch structure 102, is hinged with the groove wall of the notch structure 102, further, the bottom side of the bearing platform body 201 is provided with a sliding guide rail and a sliding component, the sliding component comprises a sliding part and a limit switch part, the sliding part is in sliding connection with the sliding guide rail and is clamped and limited with each other, slipping of the sliding part is avoided, preferably, the sliding guide rail extends along the direction towards the hinging point of the bearing platform body 201 and is distributed and arranged on the same vertical section with the telescopic rod 202, the limit switch part is specifically an electric clamping part, is electrically connected with the telescopic rod 202, and can be controlled to clamp the sliding guide rail to realize limit, or is mutually spaced with the sliding guide rail. As an alternative embodiment, the slide can also be provided with a motor and a rail roller, which effect travel on the slide rail.

The telescopic rod 202 is internally provided with a driving piece, in the embodiment, the telescopic rod 202 is specifically a hydraulic telescopic rod 202, the driving piece is specifically a hydraulic cylinder, one end of the telescopic rod 202 is hinged with the sliding piece, and the other end of the telescopic rod 202 is arranged on the lower side of the bearing table body 201 and is hinged with the inner edge of the side opening of the notch structure 102, so that the telescopic rod is suitable for stretching under the action of the driving piece; the carrying table 201 has a loading state horizontally set under the driving action of the telescopic rod 202 and a state to be conveyed which is attached to the inner edge of the opening side of the notch structure 102.

Through setting up the sliding guide cooperation at the bottom side of plummer 201 and having the slider of limit switch spare, simultaneously, telescopic link 202 articulates slider and notch structure 102 open-ended limit side inner edge respectively, set up like this, on the one hand, after the slider passes through limit switch spare and sliding guide spacing, the slider has realized the location on plummer 201, then after the telescopic link 202 extends to predetermineeing the length under the effect of driver, can be triangle stable structure, drive plummer 201 is the load state that stable level set up, on the other hand, after the slider breaks away from spacingly through limit switch spare and sliding guide, can move towards plummer 201 and notch structure 102 open-ended limit side inner edge link joint position, simultaneously, telescopic link 202 shrink under the effect of driver, and can shrink to telescopic link 202, plummer 201 bottom side and notch structure 102 open-ended limit side inner edge realize laminating wait the conveying state, plummer 201 at this moment can effectively reduce the shelter from the area to notch structure 102, avoid taking place to interfere with pipe guide 6 or stake body 7.

In the loaded state, the top surface of the carrying platform 201 is arranged flush with the deck 101 of the hull 1. This arrangement prevents a height difference between the deck 101 and the carrying platform 201, and facilitates the transfer device 4 to smoothly transfer the jacket 6 or the pile 7 from the deck 101 of the hull 1 to the auxiliary platform 2. As an alternative embodiment, when the carrying platform 201 has a stepped, grooved, sloped structure, etc., the top surface of the carrying platform 201 in the loaded state may be higher or lower than the deck 101.

The first hoisting structure 3 comprises: a plurality of legs 301 and a hoisting body 302.

The spud leg 301 sets up along vertical, evenly distributed sets up at notch structure 102 open-ended avris top to be detachably spacing connection, spud leg 301 can change different length as required, in this embodiment, spud leg 301 is provided with four, and evenly spaced symmetric distribution along the top surface of two cell walls of notch structure 102.

The hoisting main body 302 is sleeved on the four pile legs 301 and is in sliding connection with the four pile legs 301, the hoisting main body is projected on the notch structure 102 along the vertical direction, a power piece and a lifting hook piece 303 are arranged on the hoisting main body, in the embodiment, the hoisting main body 302 specifically comprises lifting parts at two ends and a truss structure in the middle, transverse guide rails are arranged on the truss structure, the lifting hook piece 303 is arranged on the transverse guide rails, the lifting hook piece can move between the lifting parts at two ends along the transverse guide rails, the lifting parts are respectively sleeved on the two pile legs 301 at the same side, the power piece is arranged in the lifting part, and the lifting part can be driven to lift along the pile legs 301 and drive the truss structure to lift. The power part can be a gear motor lifting device, a rack device matched with the gear motor lifting device arranged on the pile leg 301, a continuous stepping hydraulic bolt lifting device and the like, and in addition, the lifting hook part 303 is also matched with a pulley part, a winch, a steel wire rope and other structures, so that the lifting of the lifting hook part 303 can be controlled, or when the steel wire rope is externally connected with other structures, the lifting of an externally connected structure is realized through the matching of the pulley part and the winch. The hook members 303 may be detachably connected to the jacket 6 and the pile body 7, respectively, and the hoisting body 302 is adapted to be lifted along the legs 301 by the driving of the power member.

As an alternative embodiment, the hoisting body 302 may be fixedly connected to the four piles 301 and is fixedly disposed at a distance from the deck plane, and only by means of the cooperation of the pulley member, winch and wire rope in the hook member 303, the hoisting of the external connection structure is achieved.

The transport installation also comprises a second hoisting structure 5, which second hoisting structure 5 is arranged on the deck 101 and adapted to transport piles 7 between the conveyor 4 and the deck 101. Through setting up second hoisting structure 5, can adjust the position of putting of pile body 7 on deck 101, also can carry pile body 7 from deck 101 to conveyor 4 on.

The conveying device 4 includes: as an alternative embodiment, only one of the first axis carriage 401 and the second axis carriage 402 may be provided. In this embodiment, the first axis cart 401 and the second axis cart 402 are each self-propelled modular flatbed. As an alternative embodiment, the conveyor 4 may also be a rail element, which is laid between the deck 101 and the lifting platform.

The first axis car 401 is suitable for bearing and conveying the jacket 6 or the pile body 7, the top surface of the first axis car is in a flat plate arrangement, the top surface of the second axis car 402 is provided with an auxiliary bearing cylinder 403, the bottom of the auxiliary bearing cylinder 403 is in hinged connection with the top of the second axis car 402, and the auxiliary bearing cylinder 403 is suitable for accommodating the end part of the limiting pile body 7. As an alternative embodiment, the auxiliary carriage 403 may be detachably connected to the first axis carriage 401.

Because pile body 7 is stable in transportation, it is vertical to put in order on deck 101 generally, in transportation and hoist and mount in-process, need be with the pile body 7 that is long shaft-like from horizontal to vertical adjustment, when pile body 7 is in the state change, the load size and the direction of conveyor 4 who carries pile body 7 and the area of contact with pile body 7 can change gradually, in order to avoid appearing the problem such as slippage, through setting up two kinds of conveying units of first axis car 401 and second axis car 402 respectively, on the one hand, can bear jacket 6 and pile body 7 partial position through the first axis car 401 of general top flat load, on the other hand, the supplementary carrier 403 that articulates the setting on the second axis car 402, after holding spacing pile body 7 tip, can carry out synchronous rotation and keep spacing along with pile body 7 tip when pile body 7 state change, until pile body 7 becomes vertical, effectively avoid pile body 7 to slip from conveyor 4 problem.

The transport installation vessel further comprises a plurality of sea binding structures 104, the sea binding structures 104 being arranged at the bottom side of the jacket 6, adapted to limit the jacket 6 and the deck 101, and the jacket 6 and the lifting platform. Specifically, the sea binding structure 104 may be a hydraulic limiting hook structure or a bump welding structure. As an alternative embodiment, the sea-binding structure 104 may be provided under the pile body 7 or the positioning frame 8.

Through setting up sea binding structure 104, can carry out spacingly to jacket 6 and its position that sets up, when jacket 6 installs on deck 101, spacing its and deck 101 can avoid appearing empting at the transportation installation ship in the marine advancing process, when jacket 6 is transported to auxiliary stand 2, can confirm according to outside sea conditions whether need carry out spacingly through sea binding structure 104 to guide rail frame and auxiliary stand 2, it is relatively poor to be outside sea conditions, can carry out spacingly through sea binding structure 104 behind jacket 6 fortune supporting auxiliary stand 2, after the sea conditions are steady again, lift platform is before lifting movement, unbind.

The transport and installation vessel further comprises an auxiliary hammer 103, in particular a hydraulic hammer, and possibly other driving power elements, the auxiliary hammer 103 being arranged on the deck 101 adjacent to the auxiliary table 2 and being adapted to drive the pile body 7 to a preset elevation.

According to an embodiment of the present invention, there is provided a construction method of a pile body 7, which is adapted to the above-mentioned transportation and installation vessel, including:

the auxiliary platform 2 is adjusted to a loading state, piles 7 are transferred from the deck 101 to the auxiliary platform 2, and in this embodiment, a plurality of piles 7 are horizontally placed on the deck 101 of the hull 1 and can be transferred to the auxiliary platform 2 by the transfer device 4.

The pile body 7 is hoisted by controlling the first hoisting structure 3, the pile body 7 is hoisted to a vertical state from the horizontal state by the first hoisting structure 3 through lifting or winding and unwinding the steel wire rope, and meanwhile, the pile body 7 is hoisted by lifting along the height direction. The auxiliary table 2 is adjusted to a state to be conveyed so that the pile body 7 can pass through the auxiliary table 2 under the conveying of the first hoisting structure 3. The first hoisting structure 3 is driven downwards to enable the pile body 7 to penetrate through the auxiliary installation structure and move to a preset installation position. In the present embodiment, the mud surface position of the installation position below the water surface 9 is preset.

The first hoisting structure 3 can meet the hoisting requirement only by carrying out height adjustment at the position of the auxiliary installation structure, the fixed position is used for lifting and hoisting, the structural modification of hoisting can be realized on the premise of not arranging the rotary suspension arm, the occupied deck 101 is small in space, the modification is convenient and the cost is low, and the selection range of the construction ship is enlarged.

In this embodiment, the step of transferring the pile body 7 from the deck 101 to the auxiliary station 2 further includes: preassembling the positioning frame 8 and arranging a pile turning channel 105 on the adjacent deck 101 of the auxiliary platform 2.

At present, a fan foundation generally adopts a pile-first method jacket 6 foundation with a jacket 6 installed after piling, the spacing between four legs of the jacket 6 is fixed, and the horizontal spacing of steel bodies which are pre-piled and the height difference between the steel bodies are strictly limited. Through setting up locating rack 8, can be to the installation of supplementary pile body 7, can retrain the installation interval between the pile body 7 with the help of locating rack 8 when pile body 7 is installed, make it satisfy the installation needs of jacket 6, simultaneously, because in carrying and hoist and mount in-process, need long rod-shaped pile body 7 from horizontal to vertical adjustment, can provide the space for the state transformation of pile body 7 and the transportation of conveyor 4 through setting up pile turning channel 105.

In addition, the step "preassembled fixture 8" includes:

the auxiliary table 2 is preset with positioning frames 8 with a plurality of positioning sleeves, in this embodiment, four groups of positioning sleeves are distributed on the positioning frames 8, and the horizontal distribution intervals of the positioning sleeves are set corresponding to the distribution intervals and the sizes of four legs of the jacket 6. As an alternative embodiment, the positioning frame 8 can be detachably and limitedly connected with the auxiliary table 2 through the sea binding structure 104.

The first hoisting structure 3 is controlled to hoist the positioning frame 8, the positioning frame 8 is hung and buckled through a plurality of evenly distributed lifting hook pieces 303 of the first hoisting structure 3, the hoisting main body 302 is controlled to lift, and the positioning frame 8 is balanced.

Adjusting the auxiliary table 2 to a state to be conveyed; and then the first hoisting structure 3 is driven downwards, so that the positioning frame 8 passes through the auxiliary mounting structure and is placed to a first preset position, the positioning frame 8 is leveled, and the positioning frame 8 is prevented from deflecting. In this embodiment, the first preset device is disposed above a preset installation position of the pile body 7, so that the pile body 7 can be conveniently driven into the preset installation position after being positioned by the positioning frame 8; the readjustment auxiliary station 2 is reset to the loaded state.

The step of transferring the pile body 7 from the deck 101 to the auxiliary table 2 includes:

The pile body 7 is conveyed to the pile turning channel 105, and in this embodiment, the pile body 7 is hoisted to the conveying device 4 of the pile turning channel 105 by the second hoisting structure 5. As an alternative embodiment, the pile body 7 can also be directly supported and conveyed by the conveying device 4 to the pile turning channel 105.

The first axis vehicle 401 and the second axis vehicle 402 are controlled to be mutually spaced and jointly bear the pile body 7, and an auxiliary bearing cylinder 403 of the second axis vehicle 402 bears one end of the limiting pile body 7 away from the auxiliary table 2;

the second axis carriage 402 and the first axis carriage 401 transport the pile body 7 along the pile turning passage 105 until the pile body 7 falls to the lower side of the first hoisting structure 3 toward one end of the auxiliary table 2.

The step of controlling the first hoisting structure 3 to hoist the pile body 7 includes: controlling the first hoisting structure 3 to movably connect with one end of the pile body 7 towards the auxiliary table 2; the first axis car 401 is separated from the bearing pile body 7; controlling the first hoisting structure 3 to pull up the pile body 7, and enabling the second shaft vehicle 402 to travel along with the movement direction of the pile body 7 on the deck 101 until the auxiliary bearing cylinder 403 is vertically upwards; the first hoisting structure 3 is controlled to continue to lift the pile body 7, the end of the pile body 7 is separated from the auxiliary bearing cylinder 403, and the second axle vehicle 402 returns to the deck 101.

The step of driving the first hoisting structure 3 downward, causing the pile body 7 to pass through the auxiliary installation structure and move to the preset installation position, includes: controlling the ship body 1 to move to be adjacent to the first preset position; driving the first hoisting structure 3 downwards to enable the pile body 7 to pass through the auxiliary mounting structure and correspondingly pass through the positioning sleeve of the positioning frame 8; the auxiliary hammer 103 is controlled to strike the pile body 7 so as to move to a preset installation depth.

In this embodiment, after the pile body 7 is installed to a preset installation depth, the positioning frame 8 is detached or lifted away from the pile body 7.

According to an embodiment of the present invention, there is provided a construction method of a jacket 6, which is suitable for the above-mentioned transport and installation vessel, including:

the auxiliary table 2 is adjusted to a loading state, jackets 6 are transferred from the deck 101 to the auxiliary table 2, and in this embodiment, a plurality of jackets 6 to be hoisted are arranged on the deck 101 of the hull 1 and can be transferred to the auxiliary table 2 one by one or in batches by the conveying device 4. Further, the jacket 6 and the pile body 7 can be separately arranged on two transport and installation vessels, construction installation is respectively realized through the two transport and installation vessels, high efficiency of construction is guaranteed, and time waste caused by different construction periods and construction of the pile body 7 and the jacket 6 is avoided.

The first hoisting structure 3 is controlled to hoist the jacket 6, and each hook member 303 balances the hoisting of the jacket 6 in the hoisting process, so that the jacket 6 is prevented from being deviated. Adjusting the auxiliary table 2 to a state to be conveyed; and then the first hoisting structure 3 is driven downwards, so that the jacket 6 passes through the auxiliary mounting structure and moves to a preset mounting position. In this embodiment, the preset installation position of the jacket 6 is on the installed pile body 7, and the supporting legs of the jacket 6 are correspondingly installed on the pile body 7.

The step of transferring the jacket 6 from the deck 101 to the auxiliary station 2 further comprises, before: the jacket 6 is de-limited on the deck 101 by the sea binding structure 104. By providing the sea binding structure 104, it is possible to avoid toppling of the jacket 6 during travel of the transport installation vessel at sea and unbinding the jacket 6 prior to transfer.

The step of controlling the first hoisting structure 3 to hoist the jacket 6 further comprises:

acquiring sea state information; judging whether construction is continued or not; in this embodiment, sea state information is specifically weather, wind speed, wave height, etc., and the acquired sea state information may be obtained according to a wind force detection or information acquisition device on the hull 1, specifically may be a wind speed detector, etc., or may be obtained according to observation information of an operator.

If not, the sea binding structure 104 on the auxiliary platform 2 is regulated to limit the jacket 6, and the sea state information obtaining step is returned after the first preset time; if so, the following steps are performed, or after the limitation of the jacket 6 on the auxiliary platform 2 by the sea binding structure 104 is released, the following steps are performed.

Because the jacket 6 is transported to the auxiliary table 2 and is not limited, and the hoisting process of the auxiliary table 2 for bearing and hoisting the structure is long, when the sea condition changes, the stability of the jacket 6 on the auxiliary table 2 may be affected, and the problem of capsizing may occur. By arranging the sea binding structure 104 on the auxiliary table 2 and judging whether to continue construction according to sea condition information, when the sea condition is poor, the jacket 6 on the auxiliary table 2 can be limited through the sea binding structure 104, so that the jacket is prevented from falling out of the auxiliary table 2, the offshore complex sea condition can be adapted, and the construction stability of the conveying ship is improved.

In addition, in the embodiment, after the jacket 6 is installed on the pile body 7, detecting and adjusting the levelness of the flange at the top of the jacket 6 to a preset standard; grouting is carried out in the circumferential seam between the supporting leg of the jacket 6 and the pile body 7, and the pile body 7 and the jacket 6 can be fixed together after the grouting strength reaches the standard.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims (18)

1. A transport mounting vessel, comprising:

the ship body (1) is provided with an auxiliary mounting structure which is suitable for being vertically communicated with the water surface (9), and a deck (101) of the ship body (1) is suitable for bearing a plurality of jackets (6) and/or piles (7);

an auxiliary table (2) arranged on the auxiliary mounting structure and provided with a load state for at least partially shielding the auxiliary mounting structure and carrying the jacket (6) or the pile body (7) and a state to be conveyed for conducting the auxiliary mounting structure;

the first hoisting structure (3) is arranged on the auxiliary installation structure and is suitable for hoisting the jacket (6) or the pile body (7) along the height direction;

-a conveying device (4) arranged on the deck (101) of the hull (1) and adapted to convey the jacket (6) or pile (7) between the deck (101) and the auxiliary deck (2).

2. The transport mounting vessel of claim 1, wherein the auxiliary mounting structure comprises:

notch structure (102) set up the tip of hull (1), notch structure (102) open-ended avris inner edge with auxiliary stand (2) are connected and are set up, notch structure (102) open-ended avris top is equipped with first hoisting structure (3).

3. A transport installation vessel according to claim 2, wherein the auxiliary deck (2) comprises:

the bearing table body (201) is arranged on the inner edge of the side of the opening of the notch structure (102) and is hinged with the notch structure (102), a sliding guide rail and a sliding assembly are arranged on the bottom side of the bearing table body (201), the sliding assembly comprises a sliding piece and a limit switch piece, and the sliding piece is movably connected with the sliding guide rail and is suitable for limiting the sliding guide rail under the action of the limit switch piece;

the telescopic rod (202) is internally provided with a driving piece, one end of the telescopic rod (202) is hinged with the sliding piece, the other end of the telescopic rod is arranged at the lower side of the bearing table body (201) and is hinged with the inner edge of the side of the opening of the notch structure (102), and the telescopic rod is suitable for stretching under the action of the driving piece;

The bearing table body (201) is provided with the load state which is horizontally arranged under the driving action of the telescopic rod (202), and the state to be conveyed which is attached to the inner edge of the side of the opening of the notch structure (102).

4. A transport installation vessel according to claim 3, characterized in that in the loaded state the top surface of the carrying platform body (201) is arranged flush with the deck (101) of the hull (1).

5. A transport installation vessel according to claim 2, wherein the first hoisting structure (3) comprises:

the pile legs (301) are vertically arranged and are connected and distributed at the top of the side of the opening of the notch structure (102);

hoisting main part (302), with spud leg (301) swing joint, along vertical direction projection on notch structure (102), be equipped with power spare and lifting hook spare (303) on it, lifting hook spare (303) respectively with jacket (6) and pile body (7) are detachably and connect the setting, hoisting main part (302) are suitable for follow under the drive effect of power spare spud leg (301) lift.

6. The transport installation vessel of claim 2, further comprising:

-a second hoisting structure (5) arranged on the deck (101) and adapted to transport the pile (7) between the transport device (4) and the deck (101).

7. A transport installation vessel according to any one of claims 1-6, wherein the conveying means (4) comprises:

-a first axis trolley (401) adapted to carry and transport the jacket (6) or pile body (7);

and/or the number of the groups of groups,

the top surface of the second axial vehicle (402) is provided with an auxiliary bearing cylinder (403), the bottom of the auxiliary bearing cylinder (403) is hinged with the top of the second axial vehicle (402), and the auxiliary bearing cylinder (403) is suitable for accommodating the end part of the limiting pile body (7).

8. The transport installation vessel of any one of claims 1 to 6, further comprising:

the sea binding structures (104) are arranged at the bottom side of the jacket (6) and are suitable for limiting the jacket (6) and the deck (101), and the jacket (6) and the lifting platform.

9. The transport installation vessel of any one of claims 1 to 6, further comprising: -an auxiliary hammer (103), the auxiliary hammer (103) being arranged on the deck (101) adjacent to the auxiliary table (2).

10. A method of constructing a pile adapted for use in a transport vessel according to any one of claims 1 to 9, comprising:

adjusting the auxiliary table (2) to a load state, and transferring the pile body (7) from the deck (101) to the auxiliary table (2);

Controlling the first hoisting structure (3) to hoist the pile body (7);

adjusting the auxiliary table (2) to a state to be conveyed;

the first hoisting structure (3) is driven downwards, so that the pile body (7) passes through the auxiliary mounting structure and moves to a preset mounting position.

11. A method of construction of a pile according to claim 10, characterised in that the step of transferring the pile (7) from the deck (101) to the auxiliary table (2) is preceded by:

preassembling a positioning frame (8);

pile turning channels (105) are arranged on adjacent decks (101) of the auxiliary platform (2) in a rising mode.

12. A method of constructing a pile according to claim 11, characterised in that the step of preassembling the spacer (8) comprises:

a locating rack (8) with a plurality of locating sleeves is preset on the auxiliary table (2);

controlling the first hoisting structure (3) to hoist the positioning frame (8);

adjusting the auxiliary table (2) to a state to be conveyed;

driving the first hoisting structure (3) downwards, enabling the positioning frame (8) to penetrate through the auxiliary mounting structure, be placed to a first preset position and be leveled;

the auxiliary regulating table (2) is reset to a load state.

13. A method of construction of a pile according to claim 11 or 12, characterised in that the step of transferring the pile (7) from the deck (101) to the auxiliary table (2) comprises:

conveying the pile body (7) to a pile turning channel (105);

Controlling the first axial line vehicle (401) and the second axial line vehicle (402) to be mutually spaced and jointly bear the pile body (7), wherein the second axial line vehicle (402) bears one end of the limiting pile body (7) far away from the auxiliary table (2);

the second axis vehicle (402) and the first axis vehicle (401) convey the pile body (7) along the pile turning channel (105) until the pile body (7) falls to the lower side of the first hoisting structure (3) towards one end of the auxiliary table (2).

14. A method of construction of a pile according to claim 10, characterised in that the step of controlling the hoisting of the pile (7) by the first hoisting structure (3) comprises:

controlling the first hoisting structure (3) to be movably connected with one end of the pile body (7) towards the auxiliary table (2);

the first axis vehicle (401) is separated from the bearing pile body (7);

controlling the first hoisting structure (3) to pull up the pile body (7), and enabling the second axial vehicle (402) to move along with the movement direction of the pile body (7) on the deck (101) until the auxiliary bearing cylinder (403) is vertically upwards;

and controlling the first hoisting structure (3) to continuously pull the pile body (7), separating the end part of the pile body (7) from the auxiliary bearing cylinder (403), and returning the second shaft vehicle (402) to the deck (101).

15. A method of constructing a pile according to claim 10, characterised in that the step of driving the first lifting structure (3) downwards, moving the pile (7) through the auxiliary mounting structure and into a predetermined mounting position comprises:

Controlling the ship body (1) to move to be adjacent to the first preset position;

driving the first hoisting structure (3) downwards to enable the pile body (7) to pass through the auxiliary mounting structure and correspondingly pass through a positioning sleeve of the positioning frame (8);

and controlling the auxiliary hammer (103) to strike the pile body (7) so as to enable the pile body to move to a preset installation depth.

16. A method of constructing a jacket suitable for use in a transport and installation vessel according to any one of claims 1 to 9, comprising:

adjusting the auxiliary table (2) to a loading state, and transferring the jacket (6) from the deck (101) to the auxiliary table (2);

controlling the first hoisting structure (3) to hoist the jacket (6);

adjusting the auxiliary table (2) to a state to be conveyed;

the first hoisting structure (3) is driven downwards, so that the jacket (6) passes through the auxiliary mounting structure and moves to a preset mounting position.

17. The method of jacket construction according to claim 16, characterized in that the step of transferring the jacket (6) from the deck (101) to the auxiliary station (2) is preceded by the further steps of:

the limit of the jacket (6) on the deck (101) is released by the sea binding structure (104).

18. The method of construction of a jacket according to claim 16 or 17, characterized in that the step of controlling the first hoisting structure (3) to hoist the jacket (6) further comprises, before:

Acquiring sea state information;

judging whether construction is continued or not;

if not, the jacket (6) is limited by the offshore binding structure (104) of the auxiliary platform (2), and the step of acquiring sea state information is returned after the first preset time;

if yes, executing the subsequent step, or after the limit of the sea binding structure (104) on the jacket (6) on the auxiliary table (2) is released, executing the subsequent step.