Semi gantry cranes are a special type of crane that combinesthe design of an overhead bridge crane with that of a motorized gantry crane.
Semi-gantry crane is a small or middle scale gantry crane with one side of crane girder supported by one unilateral leg which can travel on the ground track, and the other side supported on the bracket track, which wcould save cost and space of the factory. The lifting capacity of the semi-gantry crane is 2 to 20 tons, and the working class is A3, A4 and A5.