Crown BlockThe 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 plate, handrail, and toeboard. A ladder has an opening.
Traveling Block & HookThe 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 and the empty hook lowered. The sheave grooves are intermediate frequency quenched so as to provide surface hardness and extended service life of wire line.
SwivelWith standard bails and double pin alloy steel sub.
Rotary TableThe pinion and gear are made of alloy steel.
