LJ’s drill stem top drive mechanism for Hydraulic Decoking System has received a US Patent (No. 9,458,382) in 2016.
The top drive mechanism consists of a gooseneck connector, a washpipe assembly, an output shaft and a power mechanism for providing the rotating power to the drill stem and cutting tool.
High efficiency and high torque design to prevent drill stem from getting “stuck”.
Seal cartridges designed for easy and quick replacement.
Flanged connection with drill stem or can adapt easy to an unibolt coupling.
Bearing design to prolong service life of gear system.
Can be driven by electric, hydraulic or pneumatic power,however electric power is recommended.
Equipped with LJ’s new compact cutting tool (ZDQ-VIII), it will help to reduce "cave-ins” or “stuck drill stem”.