PBHD-50 CRAWLER MOUNTED BLAST HOLE DRILLING RIG

Model & Type PBHD-50, DTH Blast Hole Drilling Rig

CRAWLER MOUNTED BLAST HOLE DRILLING RIG :

https://youtu.be/nuKh6kszkeI

CRAWLER MOUNTED BLAST HOLE DRILLING RIG (PBHD) :

https://youtu.be/OUFq59AxQqM

Send Inquiry

Description

Make:

PHEL

Model & Type

PBHD-50, DTH Blast Hole Drilling Rig

Capacity:

DTH Drilling

4 inch (101 mm) up to max 50 meters depth.

Under favorable conditions

Drill hole Diameter  4 inch(101 mm)
Drill rod Diameter  3 inch (76.2 mm)
Drill rod Length  3 meter (10 Feet)
Carrier

Crawler Capacity

 

10 Tonnes

Max. speed of equipment 3.0 kmph
Grad ability 30 degree from horizontal.
Grouser type Single
Grouser width 310/450 mm
Ground pressure 0.78 kg-f/sq.cm
Type of Drive Independent Hydraulic Motor for each Track
Drive system Through planetary gear box with in-built braking.
Prime Mover The system shall be powered from diesel driven engine with the following capacity.
Engine make Ashok Leyland or any other reputed make
Rated capacity 50 PS @ 1500 rpm or equivalent
Mast Assembly Sturdy structural channel mast structure electrically welded.
Mast overall length 5000 mm
Rotary head travel 4000 mm
Centralize opening 6 inch (150 mm)
Feed System

 

Feed and hoist operation will be achieved by hydraulic motor with chain and sprocket arrangement.
Pull Back 2200 kg-f
Pull Down 2200 kg-f
Hoisting speed (UP) 35 meter/ minute
Reeving Ratio 1:1

Feed system consists of hold back arrangement to control limit weight on bit, rapid and slow feed arrangement to suit variable ground condition.

Rotary Head Assembly

(Top Head Drive)

Fabricated steel body
Torque 180 kg-m
Rotation Speed Spindle rpm: 0-100

The RH unit travels on mast assembly to absorb sudden shock loads encountered during drilling operation.

 

Hydraulics

 

 

The entire equipment is designed to operate at high temperature encountered in the normal weather conditions.

Open loop circuit with variable displacement piston pumps and proportional valves for feed and rotation. Diverted valves for auxiliary drives.

Max operating pressure 180 kg/cm2
Hydraulic Tank capacity 350 liters.
Filtration (Nom) – Return line 10/25 microns

Cooling: Fin type oil to air.

Control Panel

All Necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience

Auxiliary

Stabilizer Model: Hydraulically operated regular type
Cylinder bore diameter 100 mm
Stroke 500 mm
No. Of Jacks 2 Nos.

The jacks are provided with ‘reverse flow restricted’ valves to ensure safe operation.

Boom Lifting, Swing, Tilting, Dumping, Rack Oscillation Cylinders  

For raising and lowering and swinging the Mast Assembly

Water Injection Pump

Hydraulically operated triplex water injection pump, for injecting water/foam with necessary piping and flow control valves
Max. Flow 30 liter/minute
Max. Pressure 40kg/cm2
Airline Lubricator

Make

Spinc
Capacity 450 cfm @ 150 psi
Air compressor Two wheel trolley mounted Air Compressor.
Make ELGI
Capacity 450 cfm @ 150 psi