CN210942155U

CN210942155U - Offshore wind field fan installation work engineering ship

Info

Publication number: CN210942155U
Application number: CN201921783436.7U
Authority: CN
Inventors: 郦羽; 魏锦芳; 侯家怡; 张海华; 程红蓉; 林昕; 阚甜甜; 邬婷; 梁家健
Original assignee: 702th Research Institute of CSIC
Current assignee: 702th Research Institute of CSIC
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-07
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to an offshore wind field fan installation work engineering ship, which comprises a main ship body with a double-side structure, wherein a main deck is welded at the top of the main ship body, a crawler crane is arranged on the main deck, the main deck is divided into a component storage area and an impeller assembly area by the crawler crane, a main crane is arranged in the impeller assembly area, the main crane is positioned on the right side of the main deck, and a elephant leg tool is also arranged on the side in front of the main crane; a ballast tank balanced with the main crane is arranged in the main hull on the other side of the main deck; when the device is used, the crawler crane and the auxiliary crane are matched to reversely buckle the hub to the elephant leg tool, then the main crane is matched with the crawler crane to sequentially hoist the three blades to the hub to assemble the impeller, and finally the main crane is matched with the crawler crane to integrally hoist the impeller to the offshore impeller assembly to complete installation. The utility model discloses an engineering ship is rationally distributed, and bearing capacity is big, the operation space is big, can satisfy and be applicable to safe, high-efficient, free marine operation.

Description

Offshore wind field fan installation work engineering ship

Technical Field

The utility model belongs to the technical field of marine operation engineering ship technique and specifically relates to a marine wind field fan installation work ship.

Background

The development of renewable energy is popular all over the world, and wind energy is one of the most important new energy sources. Offshore wind power generation is developed as a pollution-free renewable energy source, and has the advantages of better wind energy conditions, no relation to land utilization problems, no air pollution, considerable environmental protection value and the like, so that the offshore wind power generation is highly emphasized by all countries in the world, the offshore wind power generation is developed rapidly, but the transportation and installation of large offshore wind power equipment need higher-level technical support.

The most important link in the development and construction of offshore wind farms is offshore installation, and the installation of the offshore wind farms mainly comprises the installation of wind turbine foundations, engine rooms and blades. Compared with the installation of a land fan, the offshore construction difficulty is much higher. Along with the maximization of fan, the requirement of jack-up height and hoisting capacity can't be satisfied to miniature boats and ships among the prior art, can appear the problem that mobility ability, positioning performance are poor during the use, and work efficiency is low, and the storm is slightly big just leads to unable operation.

In the prior art, an offshore wind turbine is installed by loading a wind turbine component or a wind turbine foundation on a flat deck ship and towing the wind turbine component or the wind turbine foundation to a site, and then the wind turbine is installed by a wind turbine installation engineering ship for subsequent installation. A marine wind field fan installation work engineering ship with advanced functions and meeting engineering requirements not only needs to comprehensively consider factors such as the whole ship cost, variable load, deck area, hoisting capacity, seabed geological condition adaptability, crane arrangement and model selection, weight control and the like, but also needs to consider field construction processes and process requirements.

SUMMERY OF THE UTILITY MODEL

The offshore wind field fan installation engineering ship is reasonable in structure, comprehensive capacity is high, and site construction processes are safe and efficient, so that operation efficiency is greatly improved, and operation cost is greatly reduced.

The utility model discloses the technical scheme who adopts as follows:

a marine wind field fan installation work engineering ship comprises a main ship body, wherein the main ship body is of a double-side structure, a main deck is welded to the top of the main ship body, a crawler crane is installed on the main deck and divides the main deck into a component storage area and an impeller assembling area, a main crane is installed in the impeller assembling area, the main crane is located on one side of the main deck, and a trunk tool is further installed on the side in front of the main crane; a ballast tank is arranged in the main hull on the other side of the main deck and is balanced with the main crane.

As a further improvement of the above technical solution:

a plurality of pile fixing chambers are symmetrically welded on two side boards of the main ship body, pile legs penetrate through a single pile fixing chamber, and the plurality of pile legs support and lift the main ship body through lifting devices in the pile fixing chambers respectively; the single lifting device comprises two sets of mutually independent hydraulic bolt type lifting systems.

The number of the pile fixing chambers is four, the four pile fixing chambers are symmetrically arranged on two side boards of the main ship body, the main crane is arranged at the pile fixing chamber at the rear part of the starboard of the main ship body, and the trunk-like tool is positioned between the two pile fixing chambers on the starboard of the main ship body.

The structure of a single lifting device is as follows: the pile comprises two ring beams which are arranged at intervals up and down and sleeved on a pile leg, wherein a single ring beam is driven by a lifting oil cylinder to move axially relative to the pile leg; the ring beam is fixed with the pile leg through a bolt, and the bolt is driven by a hydraulic cylinder; and a guide structure is arranged between the pile fixing chamber and the pile leg.

An equipment deck is arranged in the main hull below the main deck, an outer cabin bottom is arranged at the bottom of the main hull below the equipment deck, and the equipment deck and the outer cabin bottom form a double-layer bottom structure of the main hull; the equipment deck is divided into a plurality of cabins by a plurality of mutually perpendicular's vertical bulkhead and horizontal bulkhead on, equipment deck middle part sets gradually into living entertainment area, assists cabin and main engine room along bow stern direction, equipment deck side department is provided with machine and repaiies room and electricity distribution board room.

The middle part of the outer cabin bottom is sequentially provided with a life waterproof cabin, a drinking water cabin and a fuel oil cabin along the fore-aft direction; the ballast tank is arranged on a side board of the outer bilge, and the bow part and the stern part of the outer bilge are both provided with the ballast tank; and a fresh water cabin and a grey water cabin are also arranged on the side of the outer cabin bottom, and the rest cabins are empty cabins.

An upper building is arranged in the middle of the bow of the main deck and comprises a control room and a living cabin; an in-place anchoring system is arranged at the bow part of the main deck beside the superstructure; towing plate holes are symmetrically arranged on the bow of the main deck ship; and hydraulically driven four-point anchoring systems are arranged on the fore and aft sides of the main deck and comprise positioning anchors.

The main crane is a full-rotation pile-winding tower crane, the lifting capacity of the main crane is 600 tons, and the lifting height from a main deck is 116 meters; the hoisting capacity of the crawler crane is 200 tons, and the crawler crane is matched with a main crane for construction operation; and a 10-ton auxiliary crane is also arranged on the main deck at the front part of the leg-like tool.

The elephant leg tool is matched with the hub, and the elephant leg tool fixes the hub through a fastener; and a seawater tower and a hose winch system are also arranged on the main deck.

The utility model has the advantages as follows:

the utility model has compact and reasonable structure and convenient operation, optimizes the overall functional layout, and has the advantages that the design considers the normal operation under the four-level sea condition and the safe migration under the five-level sea condition, thereby meeting the operation condition of sailing more than 260 days all the year round, and ensuring that the ship meets the characteristics of large bearing, safety, high efficiency and free operation in the development, construction and installation operation of offshore wind farms;

the utility model provides a can accurate location, high-efficient lift, be applicable to abominable sea condition, safety, it is nimble, the operation efficient is from lift-type wind-powered electricity generation mounting platform, furthest has utilized the main deck area, the utilization ratio of operation region around the main deck has been improved, and can realize fan blade, a wheel hub, a tower section of thick bamboo, the quick handling on a large scale of each major part in cabin shifts, the high efficiency of impeller on the main deck is assembled, and the integrative installation construction that lifts by crane of impeller, the operating personnel high altitude construction time that significantly reduces, the manual work degree of difficulty and operation danger coefficient have been reduced, greatly guarantee and satisfied offshore wind-powered electricity generation field fan part safety, high efficiency, convenient installation.

The utility model discloses still include following advantage:

the hydraulic bolt type lifting system has small volume ratio, low investment cost, light dead weight and convenient maintenance; the pile leg adopts a cylindrical structure, so that the weight is light and the volume is small; the lifting device adopts a double-acting ring beam double-hydraulic system, and the two lifting systems are mutually independent in working and have lifting capacity;

the main crane is arranged on a starboard pile fixing chamber of a main ship body, is in an asymmetric main crane arrangement form, not only vacates a large amount of main deck operation space, but also is more flexible and free when a lifted workpiece is positioned and adjusted in direction, and can move a large fan assembly to a specified installation position or a workpiece assembly position in a large range by matching with the crawler crane; the ballast tank is arranged in the main hull, so that the main hull is stable as a whole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural view of the pile fixing chamber of the present invention.

Fig. 4 is a partial cross-sectional view taken along a-a in fig. 3.

Fig. 5 is a schematic structural diagram of the equipment deck of the present invention.

Fig. 6 is a schematic structural view of the outer bilge of the present invention.

Fig. 7 is a schematic view of the present invention when the impeller is installed.

Fig. 8 is a schematic view of the present invention when mounting an impeller to an impeller assembly.

Wherein: 1. a main hull; 2. pile legs; 3. a pile fixing chamber; 4. a main crane; 5. a hose winch system; 6. a seawater tower; 7. an auxiliary crane; 8. building the upper layer; 9. an in-situ mooring system; 10. a four-point mooring system; 11. towing the plate hole; 12. elephant leg tooling; 13. a crawler crane; 14. a track travel area; 15. a component storage area; 16. a hydraulic pump station; 17. an auxiliary engine room; 18. a main engine room; 19. a machine maintenance room; 20. a panel room; 21. a ballast tank; 22. a fuel compartment; 23. a fresh water compartment; 24. a grey water compartment; 25. a drinking water tank; 26. a living waterproof cabin; 27. an impeller; 28. an impeller assembly; 29. sea level; 30. a living and entertainment area; 101. a main deck; 102. an equipment deck; 103. an outer bilge; 104. a transverse bulkhead; 105. a longitudinal bulkhead; 31. a ring beam; 32. a lift cylinder; 33. a guide structure; 34. a bolt; 35. a hydraulic cylinder; 81. a control room; 82. a living cabin; 271. a first blade; 272. a second blade; 273. and a third blade.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the offshore wind farm fan installation work ship of the embodiment includes a main hull 1, the main hull 1 is of a two-side structure, a main deck 101 is welded on the top of the main hull 1, a crawler crane 13 is installed on the main deck 101, the main deck 101 is divided into a component storage area 15 and an impeller assembly area by the crawler crane 13, a main crane 4 is installed on the impeller assembly area, the main crane 4 is located on the right side of the main deck 101, and a trunk tool 12 is further installed on the side in front of the main crane 4; a ballast tank 21 is provided within the main hull 1 on the other side of the main deck 101, in equilibrium with the main crane 4.

A plurality of pile fixing chambers 3 are symmetrically welded on two side boards of the main hull 1, pile legs 2 are installed through a single pile fixing chamber 3, and the plurality of pile legs 2 support and lift the main hull 1 through lifting devices in the pile fixing chambers 3 respectively; the single lifting device adopts an oil cylinder inverted hanging type and comprises two sets of mutually independent hydraulic bolt type lifting systems.

The number of the pile fixing chambers 3 is four, the pile fixing chambers are symmetrically arranged on two sides of the main ship body 1, a main crane 4 is arranged at the pile fixing chamber 3 at the rear part of the starboard of the main ship body 1, and the trunk tool 12 is positioned between the two pile fixing chambers 3 on the starboard of the main ship body 1.

As shown in fig. 3, the structure of the single lifting device is as follows: the pile comprises two ring beams 31 which are arranged at intervals up and down and sleeved on a pile leg 2, wherein the single ring beam 31 is driven by a lifting oil cylinder 32 to move axially relative to the pile leg 2; the ring beam 31 is fixed to the leg 2 by means of a pin 34, the pin 34 being actuated by a hydraulic cylinder 35, as shown in figure 4; a guide structure 33 is arranged between the pile fixing chamber 3 and the pile leg 2, and the guide structure 33 is made of wear-resistant materials and has the functions of guiding the pile leg 2 and bearing horizontal load; the hydraulic pumping stations 16 of the lifting device are arranged on the equipment deck 102 inside the main hull 1.

The single ring beam 31 is provided with pin holes along the circumferential direction, the pile leg 2 is provided with a plurality of round holes matched with the pin holes along the axial direction, and the bolt 34 is driven by the hydraulic cylinder 35 to pass through one of the pin holes and the round hole to realize the connection of the ring beam 31 and the pile leg 2.

An equipment deck 102 is arranged in the main hull 1 below the main deck 101, an outer bilge 103 is arranged at the bottom of the main hull 1 below the equipment deck 102, and the equipment deck 102 and the outer bilge 103 form a double-layer bottom structure of the main hull 1 to enhance the anti-collision performance; as shown in FIG. 5, the equipment deck 102 is divided into a plurality of cabins by a plurality of vertical bulkheads 105 and horizontal bulkheads 104 which are perpendicular to each other, the living and entertainment area 30, the auxiliary cabin 17 and the main cabin 18 are arranged in the middle of the equipment deck 102 along the fore-aft direction, and the engine room 19 and the switchboard room 20 are arranged at the side of the equipment deck 102.

As shown in fig. 6, the middle part of the outer bottom 103 is provided with a life waterproof compartment 26, a drinking water compartment 25 and a fuel oil compartment 22 in sequence along the fore-aft direction; the ballast tank 21 is arranged on the left side of the outer tank bottom 103, and the ballast tank 21 is arranged on the bow part and the stern part of the outer tank bottom 103; the side of the outer cabin bottom 103 is also provided with a fresh water cabin 23 and a grey water cabin 24, and the rest cabins are empty cabins.

The longitudinal bulkheads 105 and the transverse bulkheads 104 constitute a box structure inside the main hull 1, forming a main structure with sufficient torsional stiffness.

The middle position of the bow of the main deck 101 is provided with an upper building 8, and the upper building 8 comprises a control room 81 and a living cabin 82; the main deck 101 bow part beside the superstructure 8 is provided with an in-place anchoring system 9; towing plate holes 11 are symmetrically arranged at the bow part of the main deck 101; the four-point anchoring system 10 driven by hydraulic pressure is arranged on the fore and aft sides of the main deck 101, and the four-point anchoring system 10 comprises positioning anchors.

The main crane 4 is a full-rotation pile-winding tower crane, the lifting capacity of the crane is 600 tons, and the lifting height from the main deck 101 is 116 meters; the hoisting capacity of the crawler crane 13 is 200 tons, the crawler crane 13 is matched with the main crane 4 for construction operation, and a crawler traveling area 14 of the crawler crane 13 is integrally arranged in a T-shaped structure along the fore-aft direction of the main hull 1; and a 10-ton auxiliary crane 7 is also arranged on the main deck 101 at the front part of the leg-like tooling 12.

The elephant leg tool 12 is matched with the hub, and the elephant leg tool 12 fixes the hub through a fastener; the main deck 101 is also provided with a seawater tower 6 and a hose winch system 5; when the main hull 1 of the engineering ship is lifted out of the water surface by the lifting device for operation, the seawater tower 6 and the hose winch system 5 supply seawater in the operation process of the engineering ship and are mutually standby.

Three blades are mounted to a hub to complete the assembly of an impeller 27, and the impeller 27 is then mounted integrally to the top of an offshore impeller assembly 28 to complete the assembly of the fan.

The operation engineering ship is an unpowered platform, the total length of the ship body is about 120-130 m, the width of the ship body is about 35-40 m, and the depth of the ship body is about 3-7 m.

The operation method of the offshore wind farm fan installation operation engineering ship comprises the following steps:

the first step is as follows: towing the engineering ship to an operation area by an anchor boat, and finishing primary positioning by a GPS system; the anchor handling boat conveys the positioning anchor of the four-point anchoring system 10 to a preset position for anchoring, adjusts the position of the engineering boat through the positioning anchor, and accurately positions the engineering boat through the length, the speed and the dynamic and static tension of the outgoing rope;

the second step is that: the lifting oil cylinder 32 in the pile fixing chamber 3 works, the two ring beams 31 are alternately driven by the lifting oil cylinder 32 to axially move relative to the pile leg 2, the bolts 34 are driven by the hydraulic cylinder 35 to fix the ring beams 31 relative to the pile leg 2, so that the engineering ship is separated from the sea level 29 and lifted out of the sea level 29, and the seawater tower 6 and the hose winch system 5 are inserted into the sea level 29;

the third step: the crawler crane 13 is matched with the auxiliary crane 7, the hub is hoisted from the component storage area 15 and is reversely buckled on the elephant leg tool 12, and the hub and the elephant leg tool 12 are fastened through a fastener;

in practical use, parts such as blades, hubs and the like can be taken from other tugboats.

The fourth step: the crawler crane 13 is matched with the main crane 4, three fan blades of a first blade 271, a second blade 272 and a third blade 273 are sequentially hoisted to a hub on the trunk tooling 12 from the component storage area 15, and the fan blades and the hub are assembled through fasteners to form an impeller 27, as shown in fig. 7;

the fifth step: pitching the blades of the impeller 27 in the fourth step to a preset position; the main crane 4 is matched with the crawler crane 13 to hoist the impeller 27 to the impeller assembly 28, so that the flange plane of the hub of the impeller 27 and the flange plane of the generator of the impeller assembly 28 are in the same horizontal plane, as shown in fig. 8;

and a sixth step: crawler crane 13 loosens the rigging, and impeller 27 is butted with impeller assembly 28, completing installation.

The utility model discloses a be applicable to abominable sea condition and safety, nimble, operation efficient from lift-type wind-powered electricity generation mounting platform, realized that the high efficiency of impeller on the main deck is assembled and the installation of impeller and marine impeller subassembly, the operating efficiency is high, and performance is good.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides an offshore wind farm fan installation work ship, includes main hull (1), its characterized in that: the main ship body (1) is of a double-side structure, a main deck (101) is welded to the top of the main ship body (1), a crawler crane (13) is installed on the main deck (101), the crawler crane (13) divides the main deck (101) into a component storage area (15) and an impeller assembly area, a main crane (4) is installed in the impeller assembly area, the main crane (4) is located on one side of the main deck (101), and a trunk tool (12) is further installed on the side in front of the main crane (4); a ballast tank (21) which is balanced with the main crane (4) is arranged in the main hull (1) which is positioned on the other side of the main deck (101).

2. The offshore wind farm fan installation work vessel of claim 1, wherein: a plurality of pile fixing chambers (3) are symmetrically welded on two side boards of the main ship body (1), pile legs (2) are installed through a single pile fixing chamber (3), and the plurality of pile legs (2) support and lift the main ship body (1) through lifting devices in the pile fixing chambers (3) respectively; the single lifting device comprises two sets of mutually independent hydraulic bolt type lifting systems.

3. The offshore wind farm fan installation work vessel of claim 2, wherein: the number of the pile fixing chambers (3) is four, the pile fixing chambers are symmetrically arranged on two side boards of the main ship body (1), a main crane (4) is arranged at the pile fixing chamber (3) at the rear part of the starboard of the main ship body (1), and the trunk tooling (12) is positioned between the two pile fixing chambers (3) on the starboard of the main ship body (1).

4. The offshore wind farm fan installation work vessel of claim 2, wherein: the structure of a single lifting device is as follows: the pile comprises two ring beams (31) which are arranged at intervals up and down and sleeved on a pile leg (2), wherein a single ring beam (31) is driven by a lifting oil cylinder (32) to move relative to the axial direction of the pile leg (2); the ring beam (31) is fixed with the pile leg (2) through a bolt (34), and the bolt (34) is driven by a hydraulic cylinder (35); and a guide structure (33) is arranged between the pile fixing chamber (3) and the pile leg (2).

5. The offshore wind farm fan installation work vessel of claim 1, wherein: an equipment deck (102) is arranged in the main hull (1) below the main deck (101), an outer bilge (103) is arranged at the bottom of the main hull (1) below the equipment deck (102), and the equipment deck (102) and the outer bilge (103) form a double-layer bottom structure of the main hull (1); the equipment deck (102) is divided into a plurality of cabins by a plurality of mutually perpendicular's vertical bulkhead (105) and horizontal bulkhead (104), equipment deck (102) middle part sets gradually along fore-and-aft direction and sets up to living entertainment area (30), auxiliary engine room (17) and main engine room (18), equipment deck (102) side department is provided with machine maintenance room (19) and electricity distribution board room (20).

6. The offshore wind farm fan installation work vessel of claim 5, wherein: the middle part of the outer bilge (103) is sequentially provided with a life waterproof cabin (26), a drinking water cabin (25) and a fuel oil cabin (22) along the fore-aft direction; the ballast tank (21) is arranged on the side of the outer bilge (103), and the ballast tank (21) is arranged on the bow and the stern of the outer bilge (103); a fresh water cabin (23) and a grey water cabin (24) are further arranged on the side board of the outer cabin bottom (103), and the rest cabins are empty cabins.

7. The offshore wind farm fan installation work vessel of claim 1, wherein: an upper building (8) is arranged in the middle of the bow of the main deck (101), and the upper building (8) comprises a control room (81) and a living cabin (82); the bow part of the main deck (101) beside the superstructure (8) is provided with an in-place anchoring system (9); towing plate holes (11) are symmetrically arranged at the bow part of the main deck (101); the four-point mooring system (10) is driven by hydraulic pressure and is arranged on the bow and stern sides of the main deck (101), and the four-point mooring system (10) comprises positioning anchors.

8. The offshore wind farm fan installation work vessel of claim 1, wherein: the main crane (4) is a full-rotation pile-winding tower crane, the lifting capacity of the crane is 600 tons, and the lifting height from the main deck (101) is 116 meters; the hoisting capacity of the crawler crane (13) is 200 tons, and the crawler crane (13) is matched with the main crane (4) for construction operation; and a 10-ton auxiliary crane (7) is also arranged on the main deck (101) positioned at the front part of the elephant leg tooling (12).

9. The offshore wind farm fan installation work vessel of claim 1, wherein: the elephant leg tool (12) is matched with the hub, and the elephant leg tool (12) fixes the hub through a fastener; and a seawater tower (6) and a hose winch system (5) are also arranged on the main deck (101).