CN220537317U

CN220537317U - Blade positioning system for split type offshore wind turbine installation

Info

Publication number: CN220537317U
Application number: CN202322058465.XU
Authority: CN
Inventors: 李飞; 陈小飞; 杜浩楠; 陆剑庆; 陈铖; 吴刘军
Original assignee: Jiangsu Hengtong Lande Marine Engineering Co Ltd
Current assignee: Jiangsu Hengtong Lande Marine Engineering Co Ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-27
Anticipated expiration: 2033-08-02

Abstract

The utility model provides a blade positioning system for split type offshore wind turbine installation, which comprises a crane, a crown block, a hanging beam with a rotary platform, and a clamp I and a clamp II which are mutually matched, wherein the crane is matched with the rotary platform of the hanging beam through a steel rope, the crown block is used in pairs, the crown block moves along the crane, the crown block is matched with the hanging beam through a wind rope, an oil cylinder I and an oil cylinder II are arranged between the hanging beam and the clamp I, two ends of the oil cylinder I and two ends of the oil cylinder II are correspondingly hinged with the hanging beam and the clamp I, an oil cylinder III and an oil cylinder IV are arranged between the hanging beam and the clamp II, two ends of the oil cylinder III and two ends of the oil cylinder IV are correspondingly hinged with the hanging beam and the clamp II, an oil cylinder V is arranged between the hanging beam and the oil cylinder III, two ends of the oil cylinder V are hinged with the hanging beam and the oil cylinder III, and two ends of the oil cylinder V are hinged with the hanging beam and the oil cylinder IV, and the problem of large positioning angle and difficult accurate positioning between a blade root and a hub is solved.

Description

Blade positioning system for split type offshore wind turbine installation

Technical Field

The utility model relates to the technical field of blade mounting equipment for mounting an offshore wind turbine, in particular to a blade positioning system for mounting a split offshore wind turbine.

Background

At present, offshore fans are gradually enlarged, and are limited by the size of an installation platform, and most large fans are installed in a split type, namely in a single-blade hoisting team mode. For single-blade hoisting, the blades are required to be hoisted to hundred meters high altitude, and meanwhile, the blades are required to be accurately positioned to the hub, but the blades can shake in the air due to the wind speed of the sea surface, so that the mounting holes on the flange plate of the root of the blades cannot be positioned with the mounting holes of the flange plate of the hub. Previous blade hoist and mount often go on with the type of blade anchor clamps to blade anchor clamps can only make the blade carry out one dimension plane internal rotation, and the cooperation is pulled wind simultaneously and is adjusted the blade gesture, leads to the blade swing amplitude great, and the locating angle is great between blade root and the wheel hub, is difficult to accurate location, has just improved the degree of difficulty for the overhead working. The wind speed needs to be reduced to a controllable state, the waiting time of the ship machine is increased, and the cost is wasted. And high requirements are also put on hoisting command in construction.

Disclosure of Invention

The utility model aims to provide a blade positioning system for installing a split type offshore wind turbine, which overcomes the defects in the prior art.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the blade positioning system comprises a crane, a crown block, a lifting beam with a rotary platform, and a clamp I and a clamp II which are mutually matched with each other, wherein the crane is matched with the rotary platform of the lifting beam through a steel rope, the crown block is used in pairs, the crown block moves along the crane, the crown block is matched with the lifting beam through a wind rope, an oil cylinder I and an oil cylinder II are arranged between the lifting beam and the clamp I, two ends of the oil cylinder I and two ends of the oil cylinder II are correspondingly hinged with the lifting beam and the clamp I, an oil cylinder III and an oil cylinder IV are arranged between the lifting beam and the clamp II, two ends of the oil cylinder III and two ends of the oil cylinder IV are correspondingly hinged with the lifting beam and the clamp II, an oil cylinder V is arranged between the lifting beam and the oil cylinder III, two ends of the oil cylinder V are hinged with the lifting beam and the oil cylinder III, and two ends of the oil cylinder V are hinged with the lifting beam and the oil cylinder IV.

As an improvement of the blade positioning system for the split type offshore wind turbine installation, the utility model further comprises distance meters, wherein the distance meters are circumferentially arranged at the hub, and the distance between every two adjacent distance meters is 120 degrees.

As an improvement of the blade positioning system for the split type offshore wind turbine installation, the first clamp comprises a frame with an opening on the side wall, an oil cylinder and a fixed clamping plate, wherein the top of the frame is hinged with the first oil cylinder and the second oil cylinder, the oil cylinder is arranged between the fixed clamping plate and the frame, the fixed clamping plate is used in pairs, and the fixed clamping plate is used for clamping the blade.

As an improvement of the blade positioning system for the split type offshore wind turbine installation, the fixing clamp plate is provided with an arc-shaped surface which is attached to the surface of the blade.

As an improvement of the blade positioning system for the split type offshore wind turbine installation, the wind-collecting mechanism comprises a wind-collecting rope matched with a connecting buckle and an overhead crane, wherein the connecting buckle is connected with a rotary platform, and two ends of the wind-collecting rope are connected with the connecting buckle overhead crane.

Compared with the prior art, the utility model has the beneficial effects that: the overhead travelling crane walks on the davit along with the blade in the work progress lifts by crane the process, through the pretightning force of wind mechanism, guarantees the steady promotion of blade, in blade flange and wheel hub flange butt joint in-process, also can guarantee the stability of hanging beam self. Meanwhile, a rotary platform is arranged on the hanging beam, is a rotary bearing and is driven by a motor gear and used for large-angle rotation of the blade; the general stock vertically arranges first to fourth oil cylinders between the hanging beam and the first clamp and between the second clamp so that the first clamp and the second clamp can vertically move, thereby adjusting the angle around the x axis; the hydro-cylinder five and hydro-cylinder six are used for controlling the back-and-forth movement of blade, mainly used blade angle is taken one's place the back with the butt joint of wheel hub, have solved the blade hoist and mount in the past often with the type of blade anchor clamps to blade anchor clamps can only make the blade carry out one dimension plane internal rotation, and the cooperation is pulled wind simultaneously and is adjusted the blade gesture, leads to the blade swing range great, and the location angle is great between blade root and the wheel hub, is difficult to the problem of accurate location.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a system lifting blade of the present utility model;

FIG. 2 is a schematic illustration of the assembly of a lifting beam with a first clamp and a second clamp between a blade and a hub;

fig. 3 is a schematic structural view of a first hanger beam mating fixture.

1, a crane; 2. a crown block; 3. a rotary platform; 4. a hanging beam; 5. a wind-collecting mechanism; 51. a connecting buckle; 52. a wind rope; 6. a first clamp; 61. a frame; 62. an oil cylinder; 63. a fixed clamping plate; 7. a second clamp; 8. an oil cylinder I; 9. an oil cylinder III; 10. fifth oil cylinder; 11. a range finder; 12. a hub; 13. an arc surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the blade positioning system for installing a split type offshore wind turbine comprises a crane 1, a crown block 2, a lifting beam 4 with a rotary platform 3, a clamp I6 and a clamp II 7, wherein the clamping beam 4 and the wind-pulling mechanism 5 are matched with each other, the crane 1 is matched with the rotary platform 3 of the lifting beam 4 through steel ropes, the crown block 2 is used in pairs, the crown block 2 moves along the crane 1, the crown block 2 is matched with the lifting beam 4 through wind-pulling ropes 52, an oil cylinder I8 and an oil cylinder II are arranged between the lifting beam 4 and the clamp I6, two ends of the oil cylinder I8 and two ends of the oil cylinder II are correspondingly hinged with the lifting beam 4 and the clamp I6, an oil cylinder III and an oil cylinder IV are arranged between the lifting beam 4 and the clamp II 7, two ends of the oil cylinder III 9 and two ends of the oil cylinder IV are correspondingly hinged with the lifting beam 4 and the clamp II 7, an oil cylinder V10 is arranged between the lifting beam 4 and the oil cylinder III 9, an oil cylinder VI is arranged between the lifting beam 4 and the oil cylinder IV, two ends of the oil cylinder V10 are hinged with the lifting beam 4 and the oil cylinder III and the oil cylinder V4 and the oil cylinder V are hinged with the lifting beam 4.

The system further comprises distance meters 11, said distance meters 11 being circumferentially arranged at the hub 12, with 120 degrees spacing between adjacent distance meters 11.

Referring to fig. 2, the first clamp 6 includes a frame 61 with an opening on a side wall, an oil cylinder 62 and a fixing clamp plate 63, wherein the top of the frame 61 is hinged with the first oil cylinder 8 and the second oil cylinder, the oil cylinder 62 is arranged between the fixing clamp plate 63 and the frame 61, the fixing clamp plate 63 is used in pairs, and the fixing clamp plate 63 is used for clamping the blade. Wherein, anchor clamps one 6 and anchor clamps two 7 structure unanimity.

The fixing clamp plate 63 is provided with an arc-shaped surface 13 attached to the surface of the blade.

The wind-collecting mechanism 5 comprises a connecting buckle 51 connected with the rotary platform 3 and a wind-collecting rope 52 matched with the crown block 2, wherein two ends of the wind-collecting rope 52 are connected with the connecting buckle 51 and the crown block 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The blade positioning system for the split type offshore wind turbine installation comprises a crane, a crown block, a lifting beam with a rotary platform, and a clamp I and a clamp II which are mutually matched with each other, wherein the crane is matched with the rotary platform of the lifting beam through a steel rope, the crown block is used in pairs, the crown block moves along the crane, and the crown block is matched with the lifting beam through a wind rope.

2. A blade positioning system for a split offshore wind turbine installation according to claim 1, further comprising rangefinders circumferentially disposed at the hub, adjacent rangefinders being spaced 120 degrees apart.

3. The blade positioning system for installing the split type offshore wind turbine of claim 1, wherein the first clamp comprises a frame with an opening on the side wall, an oil cylinder and a fixed clamping plate, wherein the top of the frame is hinged with the first oil cylinder and the second oil cylinder, the oil cylinder is arranged between the fixed clamping plate and the frame, the fixed clamping plate is used in pairs, and the fixed clamping plate is used for clamping the blade.

4. A blade positioning system for split offshore wind turbine installation according to claim 3, wherein the fixing clamp plate is provided with an arc-shaped surface which is fitted with the surface of the blade.

5. The blade positioning system for installing a split type offshore wind turbine of claim 1, wherein the wind-collecting mechanism comprises a wind-collecting rope matched with a crown block through a connecting buckle connected with the rotary platform, and two ends of the wind-collecting rope are connected with the connecting buckle crown block.