MOBILE LOGGING WINCH Russian patent published in 2002 - IPC

FIELD: measuring facilities; lifting devices. SUBSTANCE: mobile logging winch installed on chassis of truck provided with internal combustion engine, carried storage batteries and generator with field current regulator has traction drum of variable-length cable engaging with cable layer and furnished with counter and measuring wheel installed for rotation and axial displacement by means of two-start screw of gear train of traction drum driven axle connected through carried reduction gear with driven electric motor secured on mounting base and connected to truck circuit through switching control and communication unit with information unit. Traction drum is made removable and is installed for rotation of tubular shaft cantilever-mounted on mounted base and through which driven axle of planetary reduction gear being part of traction drum passes. Said planetary reduction gear axle is provided with splined connection with washer and threaded joint with hand brake wheel on non-fixed end. Washer provides kinematic engagement of traction drum with said driven axle of reduction gear secured with provision of electric insulation of axle of DC drive motor which is furnished with electromagnetic brake. EFFECT: increased capacity. 5 cl, 1 dwg