SET TO TAKE, STORE AND ISSUE PIPES AND BORING RODS DURING DESCENDING-LIFTING OPERATIONS Russian patent published in 2001 - IPC

FIELD: drilling, acceptance and repair of oil, gas and other wells. SUBSTANCE: set includes platform carrying mechanism to take and transfer pipes with drive and racks with horizontal shelves and rests located concentric on shaft mounted on platform. Set is fitted with supports transferring pipes which are positioned on platform. Front support has counterweight and shelves are mounted for movement along supports with skewing of upper generating line towards rack. Racks are coupled to axle of platform for their turn in vertical and horizontal planes. Mechanism to take and transfer pipes is installed on platform whose center comes in the form of frame. Mechanism has shape of carrying chute with pockets installed on shelves. Cantilevers with grippers are put into pockets. Guiding chute with roller lies on chute, roller revolves around shaft linking both chutes. Pipe container is tied up to cable proving for its movement along guiding chute. Carrying chute is coupled movably to two pairs of levers put on shafts anchored in frame. Unit of rollers is mounted for movement along levers on rear pair of levers. Pairs of levers proper are intercoupled by power beam to which hydraulic cylinders are fed. Supports of hydraulic cylinders are hinged to frame with possibility of their rotation on vertical plane. Racks are equipped with hydraulic cylinders and are coupled with the aid of rest to front support. Cable passes over rollers and its ends terminate at frame and can move along it. EFFECT: widened functional capabilities, high reliability and safety, simplified control and operation. 6 dwg