Shipbuilding gantry crane is a specialized lifting equipment that works on shipyards, slipways, or platforms in shipyards to perform segmented lifting and flipping operations of ship hulls.
Due to the large span of shipbuilding gantry cranes, the gantry usually adopts a type of one side rigid leg and one side flexible leg, that is, one side rigid support leg is fixedly connected to the main beam, and the other side flexible leg is connected to the main beam through a flexible hinge.
由于造船门式起重机跨度大,门架通常采用一侧刚性腿一侧柔性腿的型式,即一侧刚性支腿与主梁固接,另一侧柔性腿通过柔性铰与主梁连接。