Wind turbine blade hoisting device and hoisting method thereof

Abstract

The invention discloses a wind generating set blade lifting device and a lifting method thereof. The wind generating set blade lifting device comprises an upper sling support, a lower sling support, aconnection hinge pin and a hinge pin disassembly-assembly mechanism. The upper sling support is used for being connected with a lifting hook. The lower sling support comprises a first connection rod,a second connection rod and a blade support plate connecting the first connection rod with the second connection rod. The upper end of the first connection rod is hinged to the lower portion of one side of the upper sling support. The upper end of the second connection rod is detachably connected to the lower portion of the other side of the upper sling support through the connection hinge pin. The hinge pin disassembly-assembly mechanism is used for controlling the position of the connection hinge pin so as to control the connection state of the second connection rod and the upper sling support. According to the wind generating set blade lifting device and the lifting method thereof, the upper sling support and the second connection rod can be automatically separated after a blade is installed, thus the blade is separated from the upper sling support and the lower sling support, the structure is simple, and cost is low.

Description

technical field [0001] The invention relates to the technical field of wind power generating sets, in particular to a wind power generating set blade hoisting device and a hoisting method thereof. Background technique [0002] At present, wind energy is the fastest-growing clean energy among renewable energy sources, and the use of wind energy is mainly realized through wind power generators. As an environmentally friendly energy industry, wind power generation has received more and more attention in the modern energy-stressed society. , The investment in wind turbines is also increasing. [0003] At present, the megawatt capacity of a single unit of offshore wind turbines is gradually increasing, and wind turbines capture wind energy to the greatest extent, and one of the ways is to increase the length of the blades; When the blades are assembled into wind turbines with a limited deck area and a limited boom length, it is difficult to decouple because the lifting point of ...

AI Technical Summary

Problems solved by technology

[0003] At present, the megawatt capacity of a single unit of offshore wind turbines is gradually increasing, and wind turbines capture wind energy to the greatest extent, and one of the ways is to increase the length of the blades; When the blades are assembled into wind turbines with a limited deck area and a limited boom length, it is difficult to decouple because the lifting point of the boom on the working platform cannot reach the tip of the blade; in order to solve the above problems, the single-blade hoisting method is mainly used at present However, the structure of the spreader used in the single-blade hoisting method is complex, the cost of the spreader is high, and the later maintenance is troublesome and expensive, so it is difficult to popularize and use

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