The main shaft device adopts the elastic structure drum, in order to ensure the bear stress evenly. The disc brake is the type cylinder with flexible motion, and not greasy the brake disc; the hydraulic pressure station adopts second grade brake time delay, and can automatically remove at the wellhead; the double-drum hoist has radial tooth clutch. There are all kinds of necessary protections and interlocking devices for the electrical equipment. The jk type hoist has two series: jk-type and jk/e-type. And the jk/e type hoist is all equipped with the planetary gear reducer and memorial arch type depth indicator, and adds the broken shaft protection device, also the motor coupling adds the vertical mobile brake.


80178kg, 6600x4100x2200