CABLE WINDING AND HEATING UNIT FOR ELECTRIC SUBMERSIBLE PUMPS Russian patent published in 2001 - IPC

FIELD: manufacture of pups; oil-and-gas production. SUBSTANCE: proposed unit includes housing with drive and electric cabinet with control panel, winch, drum, cable layer, calorifier and cable tensions. Electric cabinet and electric drive are arranged in hermetic sections of housing. Shaft of electric drive is kinematically linked with drum, cable layer and winch. Drum support is provided with receiving guides and is equipped with units for engagement with drum of different standard sizes. Cable layer is made in form of screw and carriage engageable with it through shuttle movement and two pairs of roller: two rollers are horizontally secured on housing and two other rollers are vertically secured on carriage. Cable cleaning unit is secured on outer side of housing. EFFECT: enhanced operational reliability. 3 cl, 16 dwg