Shipyard gantry cranes are referred to as shipyard cranes. Shipyard cranes are mainly installed in shipyards and ports (outdoors) and are used for ship construction and lifting and shipping of large workpieces. It is a special loading and unloading machine for stacking operations in container terminal yards or container cargo yards. It is mainly composed of a lifting mechanism, a trolley traveling mechanism, and a cart traveling mechanism.

The anti-fall device for jacking cylinders in shipyard cranes adopts a spring ejector ball fixation method, which can not only lock the cylinder when the piston rod retracts to prevent the piston rod from falling, but also disengage the ejector beads when the piston rod extends, allowing the cylinder to jack up the tire. Hydraulic gantry crane.

With the rapid development of the economy and the growth of foreign trade, a large amount of heavy equipment needs to be transported from site to site. Shipyard cranes are widely used because of their safety, efficiency, speed, convenience and other advantages, and have become one of the key equipment for material handling automation.