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Full Hydraulic Top-drive
Output port adopts a floating device, which effectively reduces the wearing of the drill stem thread, and increases the service life of the drill stem.
The spindle has a strong slag discharge capacity through its large drift diameter, which makes it especially adapt to the reverse circulation construction.
The Feeding System
It has a large stroke by extending completely when working. which adapts to long drill stem and long casing constructions. It retracts when traveling to reduce transportation dimensions.
It adopts a cylinder-wire rope speed multiple feeding system with slow feeding mode, which provides slow drilling and fast
lifting. With that, it ensures good drilling performance and improves working efficiency.
The Convenient Stem Changing Mechanism
Optional independent stem auto-change system and top-drive can use cooperatively, which realizes full automation of stem loading and unloading, and reduces the number of workers and work intensity on the worksite.
The Advanced and Efficient Hydraulic Control System
The independently developed load sensitivity control system can provide proper flow and pressure to the actuating mechanism according to the loading needs, which is energy-efficient.
It adopts the proportional control of the major movements, which makes the speed adjust conveniently. With no shock when starting and stopping, the control is highly accurate.
The Efficient Large Torque Fastening and Unfastening Device
It can fasten and unfasten the drill tools rapidly by using with power slip cooperatively, which realizes loading and unloading drill stem without the assistance of workers and reduces work tensity.
The Comfortable Cab.
Large lifting force drilling rig adopts closed cab, which insulates the noise and dust of the work site efficiently and improves operating environment greatly. With human engineering designed intensive operation platform, it is comfortable to operate and convenient to observe.
|Max. diameter of working floor||mm||∅330||∅500||∅820|
|Max. lifting capacity||KN||160||280||1200|
|Deck engine||Type||QSB5.9-C150||QSB6.7-C220||CAT C18|
|Main winch||Hoisting capacity||/||50||/|
|Tool winch||Hoisting capacity||KN||15||/||50|
|vise clamping range||N.M||/||3.5″ ~7.5″||2-7/8″~ 10-6/8″|
|Foam pump||Max. flow||mm||/||35||/|
|Drive mode||Mpa||4×2 car chassis||Iveco 6×4 car chassis||10×8 all-ground car chassis|
|Max. climbing gradient||%||41||54||45|
|Working dimension(L*W*H)||mm||7960 x 2500 x 7370||10200 x 3600 x 11250||14680 x 5184 x (13800 ~ 21400)|
|Transportation dimension(L*W*H)||mm||8100 x 2500 x 3250||12000 x 2500 x 4200||14200 x 2550 x 4000|