Maintenance cage for double-beam bridge crane

The utility model provides a maintenance cage for a double-beam bridge crane, which relates to the technical field of cranes, and comprises a main beam, a guide plate arranged at the bottom of the main beam, a connecting arm arranged at the top of the guide plate, a rotating roller arranged inside the connecting arm, a rope arranged on the outer side of the rotating roller, and a rope arranged on the outer side of the rope. A rectangular hook is arranged at one end of the rope, and a locking plate is arranged on the outer side of the rectangular hook. According to the utility model, the rectangular hook on the rope is connected with the exposed groove part to be fixed in advance, at the moment, the lock plate is pressed to be reset again, and then the semicircular block is matched with the groove in the side surface of the lock plate to fix the lock plate, so that simple pressing and rotating actions are used in the connection mode, and the operation is convenient. Complex tools or skills are not needed, firm