Lifting winch

nbsp;The lifting winch — the main mechanism of lifting system of the drilling rig, the winch is intended for descent and raising of boring and upsetting pipes, deduction of a column of pipes on weight in the course of drilling or washing of a well, a pripodjem of a boring column and pipes when building, rotation transfers to a rotor, screwing together and discreditings of pipes, raising of a collected tower in vertical position, auxiliary works on a podtaskivaniye in boring the tool, the equipment, pipes, etc.