CN220815892U - Offshore wind turbine blade dismantling and transferring system - Google Patents

Offshore wind turbine blade dismantling and transferring system Download PDF

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Publication number
CN220815892U
CN220815892U CN202322241128.4U CN202322241128U CN220815892U CN 220815892 U CN220815892 U CN 220815892U CN 202322241128 U CN202322241128 U CN 202322241128U CN 220815892 U CN220815892 U CN 220815892U
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China
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fan
blade
horizontal
guide wheel
fixed
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CN202322241128.4U
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Chinese (zh)
Inventor
姜福洪
王飞
刘刚
杨志刚
年继业
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Dalian Shipbuilding Industry Co Ltd
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Dalian Shipbuilding Industry Co Ltd
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Abstract

A fan tower barrel is fixed on a fan foundation, a fan cabin is arranged at the top of the fan tower barrel, fan blades are fixed on the fan cabin, a blade guide bracket is positioned below the fan cabin and sleeved on the fan tower barrel, and a transfer system is arranged between the fan tower barrel and an installation platform. The transfer system comprises a horizontal movement system and a vertical movement system, and the fan blades are moved and transferred through the horizontal movement system and the vertical movement system. The fan blade can be removed and installed in a state without a large crane, and the blade removed from the fan hub can be safely placed on a fan blade transport ship by pulling the cable through the winch. Meanwhile, the new blade can be installed on the fan hub through the winch traction cable, and the operation cost of the whole blade replacement process is very low. The risk that the fan blades collide with the fan tower in the transferring process caused by the influence of other environments is avoided, and the whole operation process is safe and reliable.

Description

Offshore wind turbine blade dismantling and transferring system
Technical Field
The invention belongs to the technical field of offshore wind turbine installation and dismantling and transportation, and particularly relates to a blade dismantling and transportation system for an offshore wind turbine.
Background
With the increasing demand for clean energy, the development of offshore wind farms is increasing, and a large number of offshore wind turbines are being used for offshore wind power generation. The fan can continuously rotate for a long time to generate power, so that related parts of the fan can be damaged, and in order not to influence the power generation of the fan, the damaged parts of the fan are usually required to be repaired in the shortest time, or new parts are required to be replaced. Among these components to be replaced, small components are usually mainly used, and the components can be transported by a small operation and maintenance ship and can be transported and installed by a small crane on a fan.
In the large-scale part at the top of the fan, except that the fan blade is easy to damage because the fan blade is made of light glass fiber reinforced plastic fibers, other large-scale parts are not damaged. When the fan blade is damaged and needs to be replaced, the fan blade can be removed and installed only through the fan installation platform provided with the large crane at the present stage because the size of the fan blade is very large and the installation height is very high. Therefore, each time a fan blade is replaced, the wind power company needs to pay a lot of installation platform cost. The power generated by the attached fan is increased continuously, the installation heights of the fan cabin and the blades are increased, and the cost required to be paid when the fan blades are replaced is increased.
In addition, the crane installation platform capable of meeting the replacement and installation of high-power fan blades is not much in stock at home and abroad at present, so that the platform is saturated in common installation service, and the fan blades are damaged with a lot of uncertainty, so that when the fan blades are damaged, a proper crane platform is difficult to find immediately to replace the fan blades, the fan can only stop generating electricity, the fan blades can be replaced after the proper installation platform is found, and a great amount of economic damage is caused to an electric company when the fan blades are not generated.
The scheme of replacing the blade of the offshore wind turbine can be realized without depending on a large crane, so that the dependence of blade replacement on a crane mounting platform can be reduced, and meanwhile, the cost of replacing the blade of the wind turbine is reduced, and the scheme is a main research topic of research on the blade replacement scheme of the offshore wind turbine by wind power companies at home and abroad at present.
Disclosure of Invention
In order to solve the problems, the invention provides a system for dismantling and transferring the offshore wind turbine blade, which aims to achieve the purpose of dismantling and replacing the wind turbine blade without using a crane platform, and adopts the following technical scheme:
The utility model provides a transfer system is demolishd to marine fan blade, has to fix at marine fan foundation and mounting platform, exists the interval between fan foundation and the mounting platform, is fixed with a fan tower section of thick bamboo on the fan foundation, and a fan tower section of thick bamboo top has the fan cabin, is fixed with fan blade on the fan cabin, and the blade guide support is located fan cabin below, cup joints on a fan tower section of thick bamboo, is provided with transfer system between a fan tower section of thick bamboo and the mounting platform.
The blade guide bracket is provided with a bracket main body which is wholly circular, the bracket main body is provided with an opening and two hinge points, an opening and closing hydraulic cylinder is fixed at the hinge points, a plurality of positioning hydraulic cylinders are fixed at equal intervals along the circumference of the bracket main body, the positioning hydraulic cylinders penetrate through the bracket main body and are vertically arranged with the bracket main body, and a hydraulic rod of the positioning hydraulic cylinders is in contact with a fan tower.
The support main body is connected with the blade fixation clamp through the connecting piece, and support main body and connecting piece fixed connection, blade fixation clamp are connected with the connecting piece through the connecting axle, and the connecting piece side surface is opened there is the bar groove, and the bar inslot is slided to the connecting axle tip card.
The transfer system comprises a horizontal moving system and a vertical moving system, the horizontal moving system is provided with a first horizontal adjusting winch and a second horizontal adjusting winch, the first horizontal adjusting winch and the second horizontal adjusting winch are located on an installation platform, a first horizontal guide wheel is arranged above the first horizontal adjusting winch, a second horizontal guide wheel is arranged above the second horizontal adjusting winch, a pulley block is fixed at the top of a fan tower, a third horizontal guide wheel is arranged in the center of the pulley block, a horizontal adjusting cable stretches out from the first horizontal adjusting winch, sequentially bypasses the first horizontal guide wheel, the third horizontal guide wheel and the second horizontal guide wheel and returns to the second horizontal adjusting winch, and two connecting plates are fixed on the path of the horizontal adjusting cable from the third horizontal guide wheel to the second horizontal guide wheel, wherein the first connecting plate and the second connecting plate are respectively.
The connecting plate is in an inverted isosceles triangle shape, three corners of the connecting plate are provided with eye plates, two of the eye plates are connected with a horizontal adjusting cable, and the rest eye plate below the connecting plate is fixed with a second vertical guide wheel.
The vertical moving system is provided with a vertical adjusting winch, the vertical adjusting winch is fixed on the mounting platform, a first vertical guide wheel is fixed above the vertical adjusting winch, a vertical adjusting cable extends out of the vertical adjusting winch and sequentially bypasses the first vertical guide wheel and the second vertical guide wheel to be fixedly connected with the binding belt on the blade.
The two sides of the third horizontal guide wheel of the pulley block are provided with blade support guide wheels, blade support winches are fixed at the bottom of the fan tower barrel and below the blade support guide wheels, the positions of the blade support winches correspond to the blade support guide wheels, and two guide cables respectively extend out of the blade support winches and respectively bypass the respective corresponding blade support guide wheels and are fixedly connected with the blade support.
The offshore wind turbine blade dismantling and transferring system further comprises two or more sets of vertical moving systems, and one set of vertical moving system corresponds to one binding belt.
Above-mentioned transfer system is demolishd to marine fan blade, still further, first horizontal adjustment winch and second horizontal adjustment winch place around, support through horizontal frame, first horizontal leading wheel and second horizontal leading wheel pass through the support to be fixed in horizontal frame top.
According to the offshore wind turbine blade dismantling and transferring system, further, a space exists between the first connecting plate and the second connecting plate.
Above-mentioned transfer system is demolishd to marine fan blade, and still further, two hinged points on the support main part set up symmetrically.
Above-mentioned transfer system is demolishd to marine fan blade, and still further, the pneumatic cylinder that opens and shuts is fixed in the pin joint department through the support.
The above-mentioned offshore wind turbine blade dismantling and transferring system further comprises a pulley block with a pulley block main board, a third horizontal guide wheel fixed at the center of the pulley block main board, two eye plates respectively arranged at two sides of the third horizontal guide wheel and two ends of the pulley block main board, a blade support guide wheel fixedly connected with the eye plates, the pulley block main board fixed at the top of the wind turbine tower through a pulley block support,
Above-mentioned transfer system is demolishd to marine fan blade, and still further, the cylinder body and the hydraulic stem of opening and shutting pneumatic cylinder are fixed with the support main part of hinge point both sides respectively.
Above-mentioned offshore wind turbine blade demolishs transfer system, still further, blade guide bracket both ends are provided with the eye board, and the direction hawser passes the eye board, fixed connection.
Above-mentioned transfer system is demolishd to marine fan blade, and still further, opening, two hinge points, the connecting piece on the support main part set up along support main part circumference equidistant.
The invention has the following advantages:
1. The fan blade can be removed and installed in a state without a large crane, and the blade removed from the fan cabin can be safely placed on a fan blade transport ship by pulling the cable through a winch. Meanwhile, the new blade can be transported from the fan blade transport ship through the winch traction cable, the new fan blade is mounted on the fan cabin, and the operation cost of the whole blade replacement process is very low.
2. The guide bracket for installing the fan blade is arranged in the installation scheme, the fan blade can only move up and down along the fan tower in the dismantling or installing process under the assistance of the guide bracket of the fan blade, and the risk that the fan blade collides with the fan tower in the transportation process due to the influence of other environments is avoided, so that the whole operation process is safe and reliable.
3. The fan blade replacement scheme of the installation scheme can meet the requirements of fans with different powers, and greatly reduces the dependence on a large installation platform in the operation and maintenance process of large parts of the fans, thereby reducing the operation and maintenance cost of the large parts in the operation process of the offshore fans.
Drawings
FIG. 1 is a schematic side view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of a front structure of a fan tower and fan blades;
FIGS. 4-6 are schematic views of a process for removing a fan blade from a fan nacelle;
FIG. 7 is a schematic view of the overall structure of the fan blade with the fan blade removed;
FIG. 8 is a schematic view of a blade guide bracket configuration;
FIG. 9 is a schematic view of a front structure of a blade retention clip;
FIG. 10 is a schematic side view of a blade retention clip;
FIG. 11 is a schematic diagram of the front structure of the pulley block;
FIG. 12 is a schematic illustration of the connection plate to the horizontal adjustment cable and the vertical adjustment cable;
In the figure: 1-fan foundation, 2-fan tower, 3-fan blade, 4-fan cabin, 5-blade guide support, 6-connecting axle, 7-blade fixation clamp, 8-connecting piece, 9-bar slot, 10-third horizontal guide wheel, 11-connecting plate, 12-pulley block, 13-horizontal adjustment cable, 14-blade support guide wheel, 15-blade support winch, 16-guide cable, 17-open-close hydraulic cylinder, 18-positioning hydraulic cylinder, 19-vertical adjustment cable, 20-binding belt, 21-mounting platform, 22-second horizontal guide wheel, 23-first horizontal guide wheel, 24-first vertical guide wheel, 25-second vertical guide wheel, 27-vertical adjustment winch, 29-first horizontal adjustment winch, 30-second horizontal adjustment winch, 31-upper clamp and 32-lower clamp.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 12, an offshore wind turbine blade dismantling and transporting system according to the present invention has the following specific operation embodiments:
The special vertical adjusting winch, the first horizontal adjusting winch, the second horizontal adjusting winch, the blade bracket winch, the opening and closing hydraulic cylinder, the positioning hydraulic cylinder and the like are purchased according to design requirements, single equipment in a debugging state is provided, and meanwhile operation debugging of the equipment is completed before installation.
And towing or self-towing the installation support platform to a preset position of the fan to be replaced according to operation requirements.
There is the interval between fan foundation and the mounting platform, is fixed with a fan tower section of thick bamboo on the fan foundation, and fan tower section of thick bamboo top has the fan cabin, is fixed with fan blade on the fan cabin, and fan blade and the wheel hub fixed connection of fan cabin front end, blade guide bracket are located the fan cabin below, cup joint on a fan tower section of thick bamboo, are provided with transfer system between a fan tower section of thick bamboo and the mounting platform.
The blade guide bracket is provided with a bracket main body which is wholly circular, the bracket main body is provided with an opening and two hinge points, an opening and closing hydraulic cylinder is fixed at the hinge points, a plurality of positioning hydraulic cylinders are fixed at equal intervals along the circumference of the bracket main body, the positioning hydraulic cylinders penetrate through the bracket main body and are vertically arranged with the bracket main body, and a hydraulic rod of the positioning hydraulic cylinders is in contact with a fan tower.
The support main body is connected with the blade fixation clamp through the connecting piece, and support main body and connecting piece fixed connection, blade fixation clamp and connecting piece hub connection, the rotatable, the removal of relative connecting piece of blade fixation clamp. The blade is fixed and entrained with a semicircular upper clamp body and a semicircular lower clamp body, the upper clamp body and the lower clamp body are butted to form a circular ring, and the circular ring is sleeved on the neck of the bolt flange of the fan blade.
The transfer system comprises a horizontal moving system and a vertical moving system, the horizontal moving system is provided with a first horizontal adjusting winch and a second horizontal adjusting winch, the first horizontal adjusting winch and the second horizontal adjusting winch are located on an installation platform, a first horizontal guide wheel is arranged above the first horizontal adjusting winch, a second horizontal guide wheel is arranged above the second horizontal adjusting winch, a pulley block is fixed at the top of a fan tower, a third horizontal guide wheel is arranged in the center of the pulley block, a horizontal adjusting cable stretches out from the first horizontal adjusting winch, sequentially bypasses the first horizontal guide wheel, the third horizontal guide wheel and the second horizontal guide wheel and returns to the second horizontal adjusting winch, and two connecting plates are fixed on the path of the horizontal adjusting cable from the third horizontal guide wheel to the second horizontal guide wheel, wherein the first connecting plate and the second connecting plate are respectively.
The connecting plate is in an inverted isosceles triangle shape, three corners of the connecting plate are provided with eye plates, two of the eye plates are connected with a horizontal adjusting cable, and the rest eye plate below the connecting plate is fixed with a second vertical guide wheel.
The vertical moving system is provided with a vertical adjusting winch, the vertical adjusting winch is fixed on the mounting platform, a first vertical guide wheel is fixed above the vertical adjusting winch, a vertical adjusting cable extends out of the vertical adjusting winch and sequentially bypasses the first vertical guide wheel and the second vertical guide wheel to be fixedly connected with the binding belt on the blade.
The two sides of the third horizontal guide wheel of the pulley block are provided with blade support guide wheels, blade support winches are fixed at the bottom of the fan tower barrel and below the blade support guide wheels, the positions of the blade support winches correspond to the blade support guide wheels, and two guide cables respectively extend out of the blade support winches and respectively bypass the respective corresponding blade support guide wheels and are fixedly connected with the blade support.
Firstly, the fan blade to be dismantled is adjusted to be in a vertical state parallel to the fan tower, the blade guide bracket is pulled to the lower part of the fan cabin along the fan tower by a winch, a positioning hydraulic cylinder on the blade guide bracket is started, and the blade guide bracket is fixed on the fan tower by the positioning hydraulic cylinder. And connecting and fixing the blade clamp on the blade guide bracket with the fan blade.
When the fan blade needs to be changed, the blade guide support clamps the blade, an operator enters the fan cabin, the blade is separated from the hub of the fan cabin, the fan blade is detached from the hub of the fan cabin, the positioning hydraulic cylinder on the fan blade guide support is opened, the blade guide support descends along the fan tower barrel, the detached blade is driven to descend, meanwhile, the detached blade is adjusted to be in a horizontal state by pulling and releasing the cable rope and the vertical adjusting cable rope on the blade support winch, and at the moment, the whole weight of the blade guide support and the blade is transferred to the vertical adjusting winch.
When the removed fan blade falls to the upper part of the fan foundation, a positioning hydraulic cylinder on a blade guide bracket is started again, the blade guide bracket holds a column fan tower, the removed fan blade is fixed to the upper part of the fan foundation, so that an operator can separate the removed fan blade from a blade fixing clamp, and after the removed fan blade is separated from the blade fixing clamp, the fan blade is transported by utilizing a vertical adjusting winch, a first horizontal adjusting winch and a second horizontal adjusting winch, the fan blade is transported to the upper part of a transport ship, and the blade guide bracket is fixed to the fan tower through the hydraulic cylinder.
When a new fan blade is required to be installed on the hub of the fan cabin, the reverse operation flow of the operation scheme can be adopted, the fan blade to be installed is transported to a position corresponding to the blade guide frame through the transport ship, and the fan blade to be installed is placed in a horizontal state. The blade to be installed is connected with the blade guide bracket, the two groups of vertical adjusting cables are fixedly connected with the binding belts respectively, the blade to be installed is vertically lifted to the vicinity of the installation position of the hub blade of the fan cabin along the fan tower through the cooperation of the blade bracket winch and the vertical adjusting winch, and at the moment, the blade to be installed is changed from a horizontal state to a vertical state.
And an operator enters the fan cabin to install the blade to be installed, and the blade to be installed is fixedly in butt joint with the hub to complete the installation work of the new blade.

Claims (10)

1. An offshore wind turbine blade dismantling and transferring system is provided with a wind turbine foundation (1) and a mounting platform (21) which are fixed on the sea, and a space exists between the wind turbine foundation and the mounting platform, and is characterized in that: a fan tower cylinder (2) is fixed on the fan foundation, a fan cabin (4) is arranged at the top of the fan tower cylinder, fan blades (3) are fixed on the fan cabin, a blade guide bracket (5) is positioned below the fan cabin and sleeved on the fan tower cylinder, and a transfer system is arranged between the fan tower cylinder and the mounting platform;
The blade guide bracket is provided with a bracket main body which is round as a whole, the bracket main body is provided with an opening and two hinge points, an opening and closing hydraulic cylinder (17) is fixed at the hinge points, a plurality of positioning hydraulic cylinders (18) are fixed at equal intervals along the circumferential direction of the bracket main body, the positioning hydraulic cylinders penetrate through the bracket main body and are vertically arranged with the bracket main body, and the hydraulic rods of the positioning hydraulic cylinders are in contact with a fan tower cylinder;
The bracket main body is connected with the blade fixing clamp (7) through the connecting piece (8), the bracket main body is fixedly connected with the connecting piece, the blade fixing clamp is connected with the connecting piece through the connecting shaft (6), the side surface of the connecting piece is provided with a strip-shaped groove, and the end part of the connecting shaft is clamped into the strip-shaped groove (9) and slides in the strip-shaped groove;
The transfer system comprises a horizontal moving system and a vertical moving system, the horizontal moving system is provided with a first horizontal adjusting winch (29) and a second horizontal adjusting winch (30), the first horizontal adjusting winch and the second horizontal adjusting winch are positioned on the mounting platform, a first horizontal guide wheel (23) is arranged above the first horizontal adjusting winch, a second horizontal guide wheel (22) is arranged above the second horizontal adjusting winch, a pulley block (12) is fixed at the top of the fan tower, a third horizontal guide wheel (10) is arranged in the center of the pulley block, a horizontal adjusting cable (13) stretches out from the first horizontal adjusting winch, sequentially bypasses the first horizontal guide wheel, the third horizontal guide wheel and the second horizontal guide wheel and returns to the second horizontal adjusting winch, and a connecting plate (11) is fixed on the path of the horizontal adjusting cable returning to the second horizontal guide wheel from the third horizontal guide wheel;
The connecting plate is in an inverted isosceles triangle shape, three corners of the connecting plate are provided with eye plates, wherein two eye plates are connected with a horizontal adjusting cable, and the rest eye plate positioned below the connecting plate is fixed with a second vertical guide wheel (25);
The vertical moving system is provided with a vertical adjusting winch (27), the vertical adjusting winch is fixed on the mounting platform, a first vertical guide wheel (24) is fixed above the vertical adjusting winch, a vertical adjusting cable (19) extends out of the vertical adjusting winch and sequentially bypasses the first vertical guide wheel (24) and the second vertical guide wheel (25) to be fixedly connected with a binding belt (20) on the blade;
Two sides of a third horizontal guide wheel of the pulley block are provided with blade support guide wheels (14), blade support winches (15) are fixed at the bottom of the fan tower barrel and below the blade support guide wheels, the positions of the blade support winches correspond to the blade support guide wheels, and two guide cables (16) respectively extend out of the blade support winches and respectively bypass the respective corresponding blade support guide wheels and are fixedly connected with the blade support.
2. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: two or more sets of vertical moving systems are arranged, and each set of vertical moving system corresponds to one connecting plate and one binding belt.
3. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the first horizontal adjusting winch and the second horizontal adjusting winch are placed in front of and behind each other and supported by the horizontal winch frame, and the first horizontal guide wheel and the second horizontal guide wheel are fixed above the horizontal winch frame through the support.
4. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the blade fixing clamp is provided with a semicircular upper clamp body (31) and a semicircular lower clamp body (32), and the upper clamp body and the lower clamp body are butted to form a circular ring and are sleeved on the neck of the bolt flange of the fan blade.
5. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: two hinge points on the bracket main body are symmetrically arranged.
6. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the opening and closing hydraulic cylinder is fixed at the hinge point through a bracket.
7. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the pulley block is provided with a pulley block main board, a third horizontal guide wheel is fixed at the center of the pulley block main board, two sides of the third horizontal guide wheel and two ends of the pulley block main board are respectively provided with an eye plate, the blade support guide wheel is fixedly connected with the eye plates, and the pulley block main board is fixed at the top of the fan tower through the pulley block support.
8. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the cylinder body and the hydraulic rod of the opening and closing hydraulic cylinder are respectively fixed with the bracket main bodies at two sides of the hinge point.
9. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the lifting eye plate is welded on the bracket main body, and the guide cable passes through the lifting eye plate and is fixedly connected with the blade guide bracket.
10. An offshore wind turbine blade removal transfer system as claimed in claim 1, wherein: the opening, two hinge points and connecting piece on the support main body are equidistant along support main body circumference.
CN202322241128.4U 2022-12-07 2023-08-21 Offshore wind turbine blade dismantling and transferring system Active CN220815892U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202223269206 2022-12-07
CN2022232692063 2022-12-07

Publications (1)

Publication Number Publication Date
CN220815892U true CN220815892U (en) 2024-04-19

Family

ID=90710305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322241128.4U Active CN220815892U (en) 2022-12-07 2023-08-21 Offshore wind turbine blade dismantling and transferring system

Country Status (1)

Country Link
CN (1) CN220815892U (en)

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