Gate type plate shearing machine crane device

The utility model provides a gate type plate shearing machine crane device. The crane device comprises a rack, two oil cylinders and two lug assemblies, wherein the two oil cylinders and the two lug assemblies are mounted on the top surface of the rack; the two oil cylinders are fixed to the rack in a mutually corresponding mode; the top surface of the rack is horizontally divided into an upper region, a middle region and a lower region; the two lug assemblies are distributed on the middle region in a mutual corresponding mode; the two lug assemblies and the two oil cylinders are arranged on different regions. According to the gate type plate shearing machine crane device, the two lug assemblies are arranged on the middle region of the surface of the rack, in the hoisting process, the lug assemblies are prevented from being forwards, backwards or sidewards inclining, and the rack is always kept in the horizontal state; in addition, the two lug assemblies and the two oil cylinders are respectively arranged on