Design Features: • The split type master bushing is made from a steel casting. Two transmission types (Kelly and pin) are available. • Pin transmission type is suitable for API standard square Kelly o
Design Features: • With standard bails and double pin alloy steel sub. • The wash pipe and packing assembly are cartridge type and can be replaced on the floor without disconnecting the rotary hose an
Design Features: • Joining the travelling block and the hook together reduces overall length to satisfy the requirements of a top drive. • The shafts of travelling block are forged with alloy steel an
Design Features:• The body, bail, and bail support are cast with special alloy steel. • Equipped with a hydraulic snubber assembly to protect drill pipe joints when making up/breaking out connections.
Design Features: • The side plate assembly is made of thick steel plate. When hoisting or lowering the unloaded elevators, the wire line is always kept taut to facilitate the line spooled on the drum
Design Features:•The drilling line is reeved in parallel. •The crown frame is made of high strength steel shapes & plates. The lug plate for top drive is provided. It is equipped with metal base p
Design Features of AC Variable Frequency Motor Driven Drawworks:Bearings are roller ones and shafts are made of alloy steel.●On the drum there is a spiral groove.●Auto feed driller.●The main brake is
Design Features of DC Motor Driven Drawworks:▋Bearings are roller ones and shafts are made of alloy steel.▋On the drum there is a spiral groove. The low-speed & high-speed ends of drum shaft are e
Design Features of Mechanical Driven Drawworks:▋Bearings are rolling ones and shafts are made of alloy steel.▋Chains with high accuracy and high strength are pressure lubricated.▋On the drum there is