Engine room crane of wind driven generator

The invention relates to an engine room crane of a wind driven generator. The engine room crane of the wind driven generator comprises a traveling crane frame and an electric hoist; the traveling crane frame is provided with an electric hoist guide rail, the extending direction of the electric hoist guide rail is taken as a left-right direction, and the electric hoist can be arranged on the electric hoist guide rail in a left-right moving manner; the electric hoist comprises a hoist traveling frame, a speed reduction motor, a lifting chain and a chain collecting box; the hoist traveling frameis provided with hoist traveling wheels, and the hoist traveling wheels are arranged at left and right intervals; the speed reduction motor is fixed on the hoist traveling frame, and the axis of the speed reduction motor extends along the left direction and the right direction; the electric hoist further comprises a chain collecting box support, and the chain collecting box is hung on the chain collecting box support; the