ZJ40 / 2250DZ
The ZJ40 / 2250DZ rig is a direct current electric power transmission rig, which adopts the complete digital electric DC control system. The drafts, the rotary table and the water pump are operated separately. 3 sets of generating units are in parallel
and connected with 3 sets of SCR control cabinets to control 7 sets of DC motors, two of which are used to control the stretching, one of which is used to control the rotary table and four of which are: Parallel in parallel
to drive two mun bombs. p>
Features:
1.The rig adopt the modular structure, and the blocks connect with each other by axle pins, which can realize to transfer quickly.
2. The mast is a front open non-anchor line “K” type mast, the five section of which is designed a whole body and equipped with the crown block. The outrigger is joint at the basement firmly. It is raised
and dropped by drawworks as a whole.
3.The drawworks is drived with direct current electrical motor with high efficiency. The shift of drawworks is stepless speed regulation.