CN204642060U - A kind of large-scale coastal waters wind power equipment installs equipment - Google Patents

Abstract

The utility model discloses a large offshore wind power equipment installation equipment, which belongs to the technical field of wind power installation. The utility model includes a hull, three bow thrusters, a full-turn thruster, a main engine, a main crane, spud legs, spud boots, a living area and a helicopter platform; the bow of the hull has a super U-shaped waterline shape, and a full-turn The propeller, the bow of the hull has three bow thrusters, the bottom cabin of the hull has several main engines, and the hull has several spud legs with equidistant pin holes, and the lower part of each spud leg is connected with the spud can. The area is placed on the main deck, the bow is equipped with a helicopter deck, the main crane is on the upper part of a leg, each leg has a hydraulic lifting device, and there are several auxiliary folding arm cranes on the deck.

Description

A large offshore wind power equipment installation equipment

technical field

The utility model relates to a large offshore wind power equipment installation equipment, which belongs to the technical field of wind power installation.

Background technique

With the depletion of fossil energy represented by coal and oil, the continuous increase of the world's population, and the deterioration of the earth's environment, the development and utilization of clean and renewable new alternative energy has become the focus of attention all over the world.

As a representative of new alternative energy sources, wind energy has continuously made breakthroughs in the past 30 years, and the economic benefits of scale have become increasingly obvious. At present, large-scale wind farms around the world are showing a trend of developing from land to sea. This is because offshore wind resources are abundant, wind farm development has fewer stakeholders, less environmental constraints, and offshore wind speeds are high and turbulence intensity is low. Wind energy utilization is more adequate than that on land, and its energy income is 20% higher than that of land wind turbines- 60%. In this environment, my country is increasing its efforts to develop offshore wind farms. In response to this situation, a large-scale integrated green wind power installation equipment that can adapt to offshore waters is needed.

Contents of the invention

In order to meet the needs of offshore wind power development, the utility model provides a large-scale offshore wind power equipment installation equipment.

The technical scheme that the utility model takes is as follows:

A large-scale offshore wind power equipment installation equipment, including a hull, three bow thrusters, an azimuth thruster, a main engine, a main crane, four spud legs, spud boots, a living area and a helicopter platform; the bow of the hull has a super U-shaped waterline shape, the tail of the hull is equipped with an azimuth thruster, the bow of the hull has three bow thrusters, the bottom cabin of the hull has several main engines, and the hull has several legs with equidistant pin holes, each leg The lower part is connected with the spud boots, the living area is placed on the main deck, the bow is equipped with a helicopter platform, the main crane is on the upper part of a spud leg, each leg has a hydraulic lifting device, and several auxiliary folding units are equipped on the deck. jib crane.

The hull can be single-deck, double-bottom; the bottom, main deck, side, longitudinal bulkhead and deckhouse are all longitudinal framed.

The hull is equipped with eight fully watertight transverse bulkheads, three longitudinal bulkheads passing through the fore and aft, and two longitudinal shells on the starboard and starboard sides.

The number of hosts is six.

The diameter of the pile leg is 4.7 meters, the total length of the pile leg and the pile shoe is 81 meters, and the watertight pile shoe is used.

The number of auxiliary knuckle-arm cranes is three.

The beneficial effect of the utility model: the hydraulic lifting system carries out the lifting work of the hull; the lifting speed is 21 meters/hour, and the falling speed is 24 meters/hour; the hydraulic lifting system consists of a set of hydraulic system, hydraulic lifting devices of four pile legs and corresponding Control system; the hydraulic lifting device of each leg includes four articulated beams, eight hydraulic jacks, a guide device, and several pins, and each articulated beam consists of a leg pin and two symmetrical hydraulic jack pins Composed, and connected with the hydraulic jack through the symmetrical hydraulic jack pin; the lifting action is realized by driving the four hinged beams through the hydraulic jack. During the conventional lifting movement, there are always three hinged beams in a stressed state, and one hinged beam is in a retracted state. In this way, the helical lifting movement can be used to realize the continuous rise or fall of the platform; in the pre-ballast working condition, eight hydraulic jacks perform lifting movements at the same time to realize the lifting adjustment of the platform in the pre-ballast working condition. Arranging the main crane on a certain pile leg greatly increases the effective use area of the deck and realizes the scientific layout of the deck. The hydraulic lifting device cooperates with the pile leg and the pin hole, and has the ability of continuous lifting and locking at any height. While balancing the force of the pile leg and improving the fatigue life, it greatly improves the flexibility of wind power equipment installation. The combination of the first three bow thrusters and the tail azimuth thruster has excellent DP positioning capability and also improves the economy. Tail azimuth thruster, bow thruster, main crane, spud legs, and spud shoes can complete the one-stop offshore wind power installation operation such as navigation, transportation, installation, and maintenance in offshore waters with a water depth of 15-40 meters.

With the above technical solutions, the offshore wind power equipment installation equipment has the functions of a transport ship, a jack-up platform, a heavy lift ship and an engineering installation ship. Compared with the existing technology, it can complete the transportation from offshore From positioning, hoisting, maintenance and other one-stop wind power equipment installation work.

Description of drawings

Fig. 1 is a front view of offshore wind power installation equipment of an embodiment of the utility model patent (navigation working condition).

Fig. 2 is a front view of the offshore wind power installation equipment of the second embodiment of the utility model patent (working condition).

Fig. 3 is a top view of the offshore wind power installation equipment of the second embodiment of the utility model patent (working condition).

Fig. 4 is the cross-sectional view of the hull molding line of the utility model patent.

In the figure: 2. Hull, 3. Main crane, 4. Auxiliary knuckle-arm crane, 5. Main engine, 6. Spud leg, 7. Spud shoe, 8. Bow thruster, 9. Azimuth thruster, 10. Hydraulic pressure Lifting gear, 11. Living area, 12. Helicopter platform, 13. Main deck.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a front view of the wind power installation equipment of an embodiment of the utility model (navigation working condition). Fig. 2 and Fig. 3 are respectively the front view and the top view of the second embodiment of the utility model patent (operating conditions). Fig. 4 is the profile diagram of the utility model patent.

As shown in Figure 1-3, the installation equipment for large-scale offshore wind power equipment includes the hull, three bow thrusters, azimuth thrusters, main engine, main crane, four spud legs, spud shoes, living quarters and a helicopter platform; the bow of the hull has Super U-shaped waterline shape, a full-turn propeller is installed at the tail of the hull, three bow thrusters are installed at the bow of the hull, several main engines are installed in the bottom cabin of the hull, and several pile legs with equidistant pin holes are installed on the hull. The lower part of each leg is connected with the spud shoe, the living area is placed on the main deck, the bow is equipped with a helicopter deck, the main crane is on the upper part of a leg, each leg has a hydraulic lifting device, and the deck is equipped with several Auxiliary folding arm crane.

The equipment is in the shape of a ship, and its top view is shown in Figure 3. The hull can be single-deck and double-bottom; the bottom, main deck, sides, longitudinal bulkheads and deckhouses all adopt the longitudinal frame type. Exemplary parameters of the hull 2 are as follows: length 133.1 meters, molded beam 39.2 meters, molded depth 9.8 meters. The hull can be single deck, double bottom, bottom, main deck, side, longitudinal bulkhead and deckhouse all adopt longitudinal frame type. The hull is equipped with eight fully watertight transverse bulkheads, three longitudinal bulkheads passing through the fore and aft, and two longitudinal shells on the starboard and starboard sides.

A feature of the utility model is that the offshore wind power equipment installation equipment has self-navigation and dynamic positioning capabilities. As shown in Figure 1, an azimuth thruster is installed at the stern of the ship, which can provide a design speed of 12.5Kn and cooperate with the bow thruster at the bow to provide economical and reliable dynamic positioning capabilities. The ability to transport, install and locate wind power equipment has been realized. At the same time, the super U-shaped waterline design is used for the first section line, which greatly reduces the breaking wave phenomenon, improves the rapidity, and reduces the energy consumption of the ship.

Another feature of the utility model is that the offshore wind power equipment installation equipment has the ability to insert piles for fixing and hoisting. As shown in Figure 2, the spud legs can be inserted downwards, and the spud cans are inserted into the seabed by gravity to provide fixation for the installation of wind power equipment. After that, the equipment hull 2 is gradually raised by using the hydraulic lifting device, and after reaching the installation height, the main crane is used for hoisting operation. Combined with self-propelled and positioning capabilities, it has reached the current international most advanced third-generation offshore wind power equipment installation equipment standards, and realized a one-stop wind power installation mode from transportation to positioning, installation and maintenance.

The bow of the installation equipment hull 2 adopts a super U-shaped waterline design, and the area coefficient of the waterplane surface under each working condition is 0.62-0.7; the semi-water entry angle is 80°-90°. Both the living quarters and the helideck are built on the hull 2.

The main crane 3 is installed on the top of the leg. As an example without limitation, in the embodiment, the main crane is installed on the upper part of the room where the port side is equipped with the rear position of the leg lifting device. In the embodiment, the maximum lifting capacity of the main hook of the main crane is 900 tons, the working radius is 15.2 meters to 95.4 meters, and it can rotate 360°. The maximum lifting weight of the auxiliary hook is 80 tons, and the working radius is 19.2 meters to 102.2 meters. The maximum lifting height is 109.6 meters from the main deck.

In the embodiment, three auxiliary knuckle-arm cranes 4 are configured on the deck, each with a power of 60 tons*m and a maximum working radius of 25 meters.

In the embodiment, it is equipped with six main engines 5, each with a power of 2800KW and a rated speed of 720 revolutions, and light diesel MGO is used to meet the requirements of CLEAN-DESIGN.

As an example and not a limitation, the utility model patent adopts the form of four legs. In the embodiment, two spud legs 6 and spud shoes 7 are respectively arranged on the left and right sides of the equipment. The diameter of pile leg 6 is 4.7 meters, the total length of pile leg 6 and pile shoe 7 is 81 meters, and watertight pile shoes are used.

As an example and not limitation, the utility model patent adopts three tunnel propellers 8 at the head, and three full-turn propellers 9 at the tail. In the embodiment, each bow thruster has a power of 1500KW, and each tail full-turn thruster has a power of 3250KW.

As an example and not a limitation, the utility model adopts a hydraulic lifting device 10 to carry out the lifting operation of the hull 2 . The lifting speed is 21 meters per hour, and the descending speed is 24 meters per hour. It consists of a set of hydraulic system, four legs, hydraulic lifting device 10 and corresponding control system; the hydraulic lifting device of the legs adopts the "continuous lifting device for installation ship platform" patented by Nantong Disch Co., Ltd.

Other parameters of the installation equipment 1 in this embodiment are as follows: the working water depth is 15 meters to 40 meters, the positioning capability is DP2, and the deck variable load is 5000 tons.

The installation equipment for wind power equipment in the embodiment of the utility model can carry out comprehensive engineering operations such as transportation, positioning, piling, hoisting, and maintenance in the offshore sea area with a water depth of 15 meters to 40 meters. The function of this wind power equipment installation equipment is not limited to the installation of wind power equipment, and it can also be competent for general marine engineering operations.

Using the wind power installation equipment of the embodiment of the utility model to implement offshore wind turbine construction operations in offshore waters mainly includes the following stages: wind power equipment transportation operation; dynamic positioning operation; pile leg installation operation; wind power equipment installation operation; pile leg recovery operation and follow-up Installation work.

Installation process:

In the first stage, after the patented equipment transports the wind power equipment to the wind farm, dynamic positioning is performed to locate the equipment at a suitable distance near the installation position of the wind power equipment.

In the second stage, the installation operation of the patented equipment is started: first, the legs are lowered and the piles are inserted, and the equipment hull 2 is jacked up to the pre-ballasting height. After the pre-ballasting, the equipment hull 2 is jacked up to the working height.

In the third stage, hoisting and piling operations are carried out on the windmill base to complete the installation of the windmill base.

In the fourth stage, the tower, windmill motor, and windmill blades are hoisted in sequence and the installation of these three parts of the fan components is completed in turn, so as to complete the installation of a single fan at this position.

In the fifth stage, after the complete installation of a windmill is completed at one location, the patented equipment sails to other locations of the wind farm, where the installed windmill components are carried out sequentially until all the installed wind power equipment is completed.

The wind power equipment installation equipment in the embodiment of the utility model has the following advantages:

1. The hydraulic lifting and jacking device is adopted, which has continuous lifting capacity, ensures that the equipped hull 2 can stop at any height, balances the force on the legs and improves the fatigue life, and greatly improves the flexibility of wind power equipment installation.

2. The operating water depth is 15m-40m, which is suitable for wind power installation operations in various offshore waters such as China's offshore and the offshore of the North Sea in Europe.

3. The first part adopts a super U-shaped waterline design, which greatly improves the rapid performance of the equipment.

4. The world's most advanced third-generation offshore wind power installation equipment can complete the transportation and installation of 7MW wind turbines.

5. The carrying capacity is strong, and the variable load on the deck exceeds 5000 tons.

6. Unique deck layout, the main crane and one of the legs are arranged at the same position, which greatly increases the deck operating area.

7. Excellent positioning ability ensures the safety of operation and high installation efficiency.

In an embodiment of this patent, the bow of the hull adopts a super U-shaped waterline design.

In an embodiment of this patent, the stern azimuth thruster provides the power for the forward sailing of the ship.

In an embodiment of this patent, the bow thruster and the stern azimuth thruster can jointly provide dynamic positioning capability.

In one embodiment of this patent, the crane is an all-slewing crane.

In an embodiment of this patent, the hull can be used for transportation operations along the coast of my country and in the North Sea of Europe.

In an embodiment of this patent, the maximum deck variable load of the hull can reach more than 5000 tons.

In the second embodiment of this patent, the spud can is inserted into the seabed, and the spud legs lift the hull from the sea surface.

In the second embodiment of this patent, there are 4 legs in total, each with a maximum lifting capacity of 5,500 tons, and a maximum self-sustaining capacity of 9,500 tons.

In the second embodiment of this patent, the crane is an all-slewing crane.

In the second embodiment of this patent, hydraulic lifting devices are installed on the legs.

In the second embodiment of this patent, the hydraulic lifting device has a continuous lifting capability, which can maintain the hull at any height.

In the second embodiment of this patent, the offshore wind power equipment installation equipment also includes three knuckle-arm cranes for auxiliary installation work.

In the second embodiment of this patent, the minimum operating water depth of the pile legs is 15 meters, and the maximum operating water depth is 40 meters.

In the second embodiment of this patent, the crane can complete the hoisting work of a 7MW wind turbine at most.

As shown in Figure 4: the head adopts a super U-shaped waterline design: the area coefficient of the waterline surface is 0.62-0.7; the half-water entry angle is 80°-90°. The length of the parallel center body is 63% of the total length of the whole ship; the tail adopts a square tail.

Although the utility model has been disclosed above with preferred embodiments, it is not intended to limit the utility model, and any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the utility model , so the scope of protection of the present utility model should be defined by the claims.

Claims (6)

1. A large-scale offshore wind power equipment installation equipment, characterized in that it includes a hull (2), three bow thrusters (8), an azimuth thruster (9), a main engine (5), a main crane (3), four A spud leg (6), a spud shoe (7), a living area (11) and a helicopter platform (12); the bow of the hull (2) has a super U-shaped waterline shape, and the tail of the hull (2) is equipped with an azimuth propeller ( 9), the bow of the hull (2) has three bow thrusters (8), the bottom compartment of the hull (2) has several main engines (5), and the hull (2) has several equidistant pin holes (14 ), the lower part of each leg (6) is connected with the spud shoe (7), the living area (11) is placed on the main deck (13), and the bow is provided with a helicopter platform (12), the main The crane (3) is on the top of a leg (6), each leg (6) has a hydraulic lifting device (10), and several auxiliary folding arm cranes (4) are arranged on the deck. 2. A large-scale offshore wind power equipment installation equipment according to claim 1, characterized in that: the hull (2) is a single deck, double bottom; the bottom, main deck, side, longitudinal bulkhead and deckhouse all adopt Longitudinal frame. 3. A large-scale offshore wind power equipment installation equipment according to claim 1, characterized in that: the hull (2) is provided with eight fully-through watertight transverse bulkheads, three longitudinal bulkheads penetrating the fore and aft, and two longitudinal outer bulkheads on the starboard and starboard sides. plate. 4. A large-scale offshore wind power equipment installation equipment according to claim 1, characterized in that: the number of hosts (5) is six. 5. A large-scale offshore wind power equipment installation equipment according to claim 1, characterized in that: the diameter of the pile leg (6) is 4.7 meters, the total length of the pile leg (6) and the pile shoe (7) is 81 meters, and watertight piles are used boots. 6. The installation equipment for large-scale offshore wind power equipment according to claim 1, characterized in that the number of auxiliary knuckle-arm cranes (4) is three.