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HF856A Hydraulic rotary Piling drilling rig MachineHF856A Hydraulic rotary Piling drilling rig MachineHF856A Hydraulic rotary Piling drilling rig Machine
HF856A Hydraulic rotary Piling drilling rig MachineHF856A Hydraulic rotary Piling drilling rig MachineHF856A Hydraulic rotary Piling drilling rig Machine

HF856A Hydraulic rotary Piling drilling rig Machine

Drilling diameter: 600 - 1500(mm)
 

Max.drilling depth: 56(m)
 

Rotary drive(Rotation speed): 0-22(r/min)

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overview

Features and Advantages ------ Rotary drilling rig
It takes telescopic prop (mast) structure in domestic rotary drilling rig for the first time, and it can be transported comprehensively with front lodge without disassembly. Moreover, the shift between transportation and working situation is rapid.
It takes U-shape connecting form between props and drilling rig. The main winch is placed in U-shape groove right eyesight of the operator (the operator can observe the working condition of main winch all the time), and the structure is simple and practical.
It takes the structure of guiding support under drill pipe, which not only guarantees the verticality of the drill pipe in drilling process, but also avoids the trouble of disassembling the supports in transportation. 
The design of miniaturization, lightweight and practical application, and the comprehensive transportation without assembly, decreases the usage and transportation's cost of the equipment sharply. 
Under working condition, the min vertical height of the prop can be adjusted to less than 13m freely. Low altitude over-limited construction work can be performed after selecting different drill pipes.
The joint of the drill pipe and drill chuck takes cross head pin to fix, which not only guarantees the verticality of the drill pipe, also increases the safety factor of the drill chuck in construction.
 
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Technical Data

Description
unit model
Drilling diameter mm
600 - 1500(mm)
Max.drilling depth m
56(m)
Chassis(Windth of track shoes) mm 800(mm)
Chassis(Min.ground clearance) mm 430(mm)
Chassis(Max.grade ability)   40%
Chassis(Max.traveling speed) km/h 3(km/h)
Hydraulic system(Motor for swing)   2Plunger Fixed Displacement motor
Hydraulic system(Travel plunger motor)
  2Plunger variable Displacement motor
Hydraulic system(Main safety valve adjusted power) Bar 300Bar
Hydraulic system(Method of power adjustment)   Gross power adjustment + Negative flow control
Hydraulic system(Type of hydraulic pump)   2×plunger variable flow pump+2×Gear pump
Auxiliary winch(Rope diameter) mm 16(mm)
Auxiliary winch(Max.line speed) m/min 50(m/min)
Auxiliary winch(Max.line pull) kN 60(kN)
Main winch(Rope diameter) mm 21.5(mm)
Main winch(Max.line speed) m/min 70(m/min)
Main winch(Max.line pull) kN 120(kN)
Crowd(Max.stroke) m 2(m)
Crowd(Max.pull) kN 80(kN)
Crowd(Max.push) kN 120(kN)
Rotary drive(Rotation speed) r/min 0-22(r/min)
Rotary drive(Max.torque)
kN.m
80(kN.m)
Engine type   Turbocharged direct-injection
Engine(Rated power) kw/rpm
108/2100(kw/rpm)
Engine Modek   6bt5.9 Cummins
Operating weight of total machine kg 38000(kg)
Overall measurment(Transport data) mm 13350×3200×3200(mm)
Overall measurment(Working data) mm 16950×3200×6720(mm)

 

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