DEVICE CONNECTING ELECTRIC MOBILE MACHINE WITH ITS POWER SUPPLY SOURCE Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: common base plate carries drum mounted on immobile column with vertical axle and support of laying mechanism. Screw groove to accommodate cable is cut in drum which is fitted with gear-wheel transmitting rotation to lead screw mounted on specified support. Nut of this screw is slider provided with laying roller. Moment imparted to screw is taken up by guiding rod passing through slider. Hollow column is closed with cover from which flange high-moment electric motor located in space of column is suspended. Its shaft carries gear-wheel coupled by means of gear transmissions to gear ring anchored on upper end of drum. Current collector is installed on drum cover under housing and is composed of set of rings with wires coming from cable lead attached to this cover. EFFECT: enhanced operational reliability. 2 cl, 12 dwg