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• Introduction The HGD-600 marine engineering survey drilling rig is a new product developed according to the needs of marine engineering survey engineering. The drilling rig structure is fully hydraulic driven. The drilling rig is suitable for drilling into various geological formations, including marine sedimentary silt, clay, sandy clay, silt, sand, gravel, and bedrock. The drilling capacity of the drilling rig can correspondingly meet the needs of different drilling sampling techniques in the aforementioned formations.
  
  Main features ● drill depth（m） 600m , 500 m, 400m （At a depth of 100 meters） Borehole diameter（mm） φ91 , φ110, φ127
  ● drill pipe diameter（mm） φ42、φ50、φ73、φ127Rope core extraction Borehole inclination angle 90°
  ● Output speed（positive and negative） low speed7~200（r/min）， high speed 14~700（r/min） Rated output torque low speed11856～2148N.m， high speed 3466～627 N.m Power head stroke 3.5（m）
  ● Power head provides thrust 25(KN) Equipped with static pressure core taking function Weight 750（Kg）
  ● Main winch parameters Improving ability (single rope speed) 50（KN） Single rope lifting speed low speed0～40.5（m/min） high speed0～81（m/min）Steel rope specifications φ28-6X19+1 Steel rope capacity 80（m）
  ● Auxiliary winch parameters Improving ability (single rope speed) 25（KN） Single rope lifting speed low speed0～80（m/min） high speed0～160（m/min）Steel rope specifications φ14-6X19+1 Steel rope capacity： 550（m）
  ● Oil pump model 2* A10V071DFLR, 1*A10V028DFR Rated pressure Main oil circuit 18～30（MPa）
  ● Auxiliary oil circuit 21 （MPa）
  ● displacement 71+71+28（ml/r） Input rated speed 1450（r/min）
  ● Hydraulic pipe twisting machine parameters Rated working hydraulic pressure 21（MPa） Rated impact torque 47.8（KN.m） Rated twisting torque 5（KN.m） Rated twisting speed 18（r/min） through-hole diameter φ450（mm）Unscrew the diameter of the drill pipe or casing φ42、φ50、φ73φ127、φ146、φ178
  ● Parameters of heave compensation device Heave compensation capability 45KN Heave compensation stroke 1000mm Accumulator capacity 2*63L
  ● Pressure relief and anti fall device parameters Pressure relief method: hydraulic motor+gear rack type Pressure and pressure relief capacity: 25 KN Power head anti fall ability: 10 KN
  ● Drilling tower parameters structural style Square tube type Vertical height 12 （m）Rated load capacity 400（KN）
  ● Slurry making and mud circulation system parameters Drilling mud pump BW-850（Adjustable flow rate） Drilling mud pump BW-250 Mixing machine form Jet jet circulation type High mixing volume 850（L/min） The diameter of the rubber hose at the inlet of the faucet 2″
  ● Mobile pulley form with a load capacity of 400 (KN) (requires a test report)
  ● Power machine： Model Oil pump driven Electricity machine Y225M-4-H 45+45(KW) Electric machine driven by BW250 mud pump Y180M-4-H 18.5(KW) BW850 Mud Pump Drive Electricity Machine Y200L-4-H 30(KW)
  ● Outline dimensions of drilling rig installation (length x width x height)：2800X1500X5970(mm)
  ● Weight of the main equipment of the drilling rig (approximately)7500（Kg）