HFR320D Rotary Drilling Rig
- Rated Power: 298/2100kW
- Max.Drilling Depth: 90m
- Max.Drilling Diameter 2500mm
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It adopts dedicated hydraulic retractable crawler chassis and heavy slewing bearing and has high stability.
It adopts the luffing mechanism of large triangle form to ensure the stability of construction of big holes and deep piles in hard formation.
It adopts the front-located single-rope main winch structure to greatly prolong the service life of steel wire rope and lower the use cost.
It adopts the imported Cummins turbo-supercharged engine with three gears. Users can select corresponding gears according to different working conditions to achieve the effect of a drilling rig driven by three engines.
Normal mode and entering-rock mode of unit head are available for operation in soil and rock to improve the construction efficiency.
Winch-pressurized and sleeve-driven functions are available for selection to satisfy various needs of the users.
It is equipped with a centralized lubrication system as standard configuration to provide more convenient maintenance and make the machine a good reliability .
|Dimension||Working condition L × W × H||10480×4800×25155mm|
|Transportation condition L × W × H||16550×3500×3500mm|
|Overall Drilling Weight||92.8t|
|Hydraulic System||Working pressure||35MPa|
|Rotary Drive||Max. output torque||320KN.m|
|Spin off speed||-|
|Pull-Down Cylinder||Max.pull-down piston push||250KN|
|Max.pull-down piston pull||250KN|
|Max.pull-down piston stroke||6000mm|
|Crowd Winch||Max.pull-down piston push||330KN|
|Max.pull-down piston pull||350KN|
|Max. pull-down piston stroke||16000mm|
|Main Winch||Max.pulling force||280KN|
|Max. single-rope speed||75m/min|
|Diameter of the steel wire rope||36mm|
|Auxiliary Winch||Max. Pulling force||100KN|
|Max. single-rope speed||65m/mim|
|Diameter of the steel wire rope||20mm|
|Drilling mast||Left/right inclination of mast||42464°|
|Front inclination of mast||5°|
|Rotary table slewing angle||360°|
|Traveling||Max. traveling speed||1.5km/h|
|Crawler||Track shoe width||800mm|
|Distance between tracks||3500~4800mm|
|The length of crawler||5052mm|
|Average ground pressure||115kPa|
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