Gravity type self-discharging tunnel side ditch and cable trench cover plate trolley

A gravity type self-discharging tunnel side ditch and cable trench cover plate trolley comprises a bearing frame, a lifting device, a claw hook device and a moving device. The bearing frame is of a cuboid frame structure formed by installing and welding vertical stand columns, longitudinal rods and transverse rods, the lifting device comprises a rope winding machine and a steel channel frame, the steel channel frame is fixed to the top of the bearing frame, and the rope winding machine is fixed to the steel channel frame; the grapnel device comprises a steel wire rope, a hook, a steel wire hanging rope and a rigid grapnel, the top end of the steel wire rope is wound on the rope winding machine, and the hook is arranged at the bottom end; a left component and a right component of the rigid grapnel are connected together through a rotating shaft; two ends of the steel wire hanging rope are respectively connected with the ends of the left and right members of the rigid grapnel; the middle part of the steel wire