Exploration and Coring Drill Rig, Type HT-260

Exploration and Coring Drill Rig, Type HT-260
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Introductions

Exploration and Coring Drill Rig, Type HT-260 is a medium deep hole drill rig mainly used in geological survey, small scale water well drilling and constructions of buildings, highways, railways, hydropower power stations, harbors as well as shallow core drilling. It has small size and easy to be dismantled into 4 parts. Hence, it is convenient to be transported and relocated which is conducive for construction works in the mountainous areas and tunnels.

Parameters
Drilling capacity External diameter of drill pi[e Drilling depth (For reference only)
φ42mm 320m
φ50mm 260m
Engine Name Diesel engine Electrical motor
Model ZS1115M/L24 Y160L-4-B3
Power rating 16.2/17kW 15kW
Rated speed 2200r/min 1460r/min
Gyrator Vertical rotational speed Clockwise rotation: 68, 156, 252, 384, 583, 888r/min
Counter-clockwise rotation: 39, 90, 145, 221, 335, 511r/min
Vertical latus rectum φ65mm (φ59×53 Hexagonal kelly)
Maximum torque of vertical axis 1750N.m
Feeding mechanism Type Dual cylinder hydraulic feed
Maximum lifting force Rated 60kN
Maximum feeding force Rated 45kN
Spindle stroke 500mm
Winch Type Planetary
Maximum lifting force of three-layered single rope 22kN
Lifting speed of three-layered single rope 0.606m/s; 2.2m/s; 3.35m/s
Diameter of cylinder φ160mm
Diameter of steel cable φ12mm
Capacity for steel cable 30m
Hydraulic system Pump model CBF-F418-ALP
Swept volume of the pump 18ml/r
Rated work stress 12MPa
Rated speed 1500r/min
Stroke of the drill rig hydraulic retraction 360mm
Drilling angle 0-360°
External dimensions of drill rig (length x width x height) 1630×800×1530 (mm)
Mass of drill rig (excluding driving force) 710kg
Features
  • Clamped with linking rod force-amplifying spring and hydraulically released normally closed hydraulic chuck. Besides, it has up-to-date structure, good compensation, great clamping force, long lifespan and reliable performance.
  • Equipped with 6-speed rotational speeds and has wide application range as well as strong applicability.
  • Equipped with 6-speed reverse rotational speed, able to carry out mechanical screwing by drill pipe. It has advantages in handling drilling accidents and low labor intensity.
  • High engine power, optional diesel engine or electric engine is available, low labor intensity, convenient for night illumination.
  • Parts are interchangeable and convenient for maintenance.
  • Stable while moving, reliable and can be mounted easily, stable high-speed feeding which allows great distance at the opening, low labor cost.
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