A winch for cleaning used in the extraction of oil or natural gas

摘要

Winch cleaning used in the extraction of oil or natural gas. / p & & p & for the transmission of power of the drive motor 3 to the winding drum 2, it provides a hydraulic drive 11, which is composed of a hydraulic pump 12 controlled by the drive motor 3, a hydraulic motor 15 connects the winding drum 2 and a control device 14, in particular a device laminar flow, these elements being connected together by the pressure of the pipes 13, 16.