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CCTEG-Xian Technology Communication

ZDY3500LP、ZDY3500L(Q)

Drill Rig

Xian Research Institute of China Coal Technology & Engineering Group

Owen Ji

June 2015

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1. Introduction

2. Technical Features

3. Technical Specification

4. Applications

ZDY3500LP、ZDY3500L(Q) Drill Rig

ZDY3500LP、ZDY3500L(Q) Drill Rig

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Underground

drill rigs

All hydraulic splitting rig

Full hydraulic crawler rig

Difficult to be moved in the

tunnel and roadway

Mature serial products, drill

depth range from 75m-1000m

Lower cost, cheaper

Easy to change sites

Integrated crawler

design

Limited drill height,

azimuth and inclination

adjustment

1. Introduction

Azimuth angle cannot be adjusted

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1.Introduction

Slew ring

Track pads and

track chainZDY3500LP、ZDY3500L(Q) Drill Rig

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1. Introduction

ZDY3500LP、ZDY3500L(Q) Drill Rig

Caterpillar band

Hydro-cylinders

Electric motor

Control panel

and seat

Tank

Rotary unit

Hydro-cylinders

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2. Technical Features

Location of belt conveyer

Belt conveyer

(1.2m wide, usually the conveyer should

be removed to save space for drill rig)

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2.Technical Features

Schematic diagram of borehole drilling over the belt

Borehole can be drilled by ZDY3500LP

without pulling down the belt

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2.Technical Features

Drill height adjustment, range from 1.45m～2.55m

Drill Inclination angle adjustment, range from-90°～+90°Good manual, all hydraulic control, operating the valve's hand shank

Multi degree

of freedom

mechanism

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2.Technical Features

Easy to turn the direction of the rotary unit

In order to drill a borehole with inclination

angle from -90～-60 degree, rotary unit should

be turned by 180 degree.

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2.Technical Features

Stable hydraulic system is

achieved by the application of

cartridge valves

A

T

X

Y

B

P

T

MBMA

Load-sensitive control system to

reduce energy consumption and

achieve lower cost

High quality hydraulic

components（Rexroth and Sauer）maintain system reliability

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2.Technical Features

Feed stroke can be customized, range from 1.25m-1.8m

Drill rods can be deployed both form the back of rotary unit

and in front of the rotary unit.

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a. Lateral drilling（low altitude hole）

e High inclination hole

（ forward drill）

3.Technical Specification

b. Lateral drilling（high altitude hole）

c, d. High inclination hole （ lateral drill）

ZDY3500LP drill rig

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2.技术特点-全断面钻进

Multi degree

of freedom

mechanism

Multi degree

of freedom

mechanism

ZDY3500L(Q) drill rig

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3. Technical Specification

Type ZDY3500LP ZDY3500L(Q) Remark

Drill depth 300m 300m

Rod diameter 73mm 73mm

Rated torque 3500Nm 3500Nm

Rotary speed 60~200r/min 60~200r/min

Feed-frame tilt angle -90°~90° -90°~90°

Azimuth of the main axis -90°~90° -90°~90°

Rated feed/pull force 90/120kN 70/102kN

Drill height adjustment 1.45m～2.55m 1.64m～2.74m

Rated power 45kW 45kW

Max crawler speed 2km/h 2km/h

Gradeability 15° 15°

Dimension (m) 3.95×1.25×1.83 3.95×1.25×2.02 Delivering

Weight 6700kg 6700kg

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4.Appilcation

Gas drainage borehole drilling in Hujiahe Coal Mine,

Heilongjiang, China

Coal seam internal borehole drilling, borehole inclination 10°～16°，120

boreholes were drilled, total drilled distance is more than15000m，max drill

depth is 170m，drill efficiency reached 100m in 8 hours。

Various boreholes have been drilled which includes horizontal lateral destressing

borehole, drivage covering borehole, floor destressing borehole. Max inclination angle

is 90°. 159 experiment boreholes were accomplished. Total drilled distance is more

than17800m ， max drill depth is 161m，drill efficiency reached 1870m in 8 hours

Destressing borehole drilling in Binchang Coal Mine,

Shaanxi, China

CCTEGThanks for your time！

Have a good day！Business representative：Owen Ji

Tel：+8629-81778310

Mobile：+8613319186255

Skype：maioutwo What’s App:+8613319186255

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