The winch includes a single shaft gear transmission and a three shaft chain transmission structure.
Single shaft gear transmission:
It is the main component of DB (VFD) series drilling rigs.
The winch gearbox is divided into single-speed continuously variable transmission and two-speed continuously variable transmission.
The single-speed continuously variable transmission can achieve a hook speed of 1.2 to 1.5 meters per second, and the two-speed continuously variable transmission can achieve a hook speed of 1.2 to 1.7 meters per second.
Three-axis chain drive:
It is the main component of DZ9 (SCR) series drilling rigs.
The winch is composed of input shaft, intermediate shaft and drum shaft, and is opened into 4 positive and 2 negative gears. The hook speed is 1.2 to 1.7 meters per second.
The winch complies with API 7K.