Energy saving lifter for drilling machine or production rig

The utility model discloses an energy saving lifter for a well drilling machine or a well repair machine, which is composed of a piston motor, a shaft coupling, a hoisting barrel, a steel cable, a headframe crown block, a traveling block, a big hook, a hydraulic pump, an accumulator, etc. the utility model adopts a mode that the power output end of a hydraulic motor is directly connected with the winch barrel; the complete set complex device of a traditional middle speed reducer, a clutch, a lubricating system, an auxiliary brake, etc., are omitted; the utility model adopts a hydraulic energy storage system, and can store the potential energy of the weight of the big hook falling down.