The invention discloses a method for installation of a 3 MW wind generating set. The method includes the steps that a main crane is selected; a tower is installed; a cabin is installed; an impeller is installed; vane bolts are tightened through torque; the tower, the cabin and impeller bolts are fastened through torque; and cables are laid and installed. Main crane selection includes the steps that a 630 t crawler belt crane is adopted as the main crane, a working condition of tower type superlift with a 72m main arm and a 36m auxiliary arm is adopted, the auxiliary arm is hinged to the top end of the main arm, and an arm rod of the main crane is formed in a combined mode; and when the cabin is lifted, the main arm, the auxiliary arm and the cabin ascend in a trapezoid shape, and therefore the smallest distance between the cabin and the arm rod is larger than or equal to 5m. By means of the method, the cabin can be prevented from colliding with the arm rod, the impeller and the cabin are in stable butt joint, and the vane bolts are tightened. Construction safety is better guaranteed, the construction progress is accelerated, and construction cost is reduced.
Method for installation of 3 MW wind generating set
2015-11-18
Patent
Elektronische Ressource
Englisch
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