ZDY4300LF Serial Drill Rig
- All hydraulic splitting rigMature serial products Drill depth range from 75m-1000m
1. Introduction
1)Mature serial productsDrill depth range from 75m-1000m
2)lower cost, cheaper
3)Hard to be moved in the tunnel and
roadwayDestressing boreholes from floor
Destressing boreholes from floor Drivage covering borehole
Gas drainage (drill boreholes from the roadway under seam floor)
1)Drill rig requirement
2.Technicial Specification
ZDY4300LF
ZDY4300LF（A）
Rated torque
4300Nm
4300Nm
Rotary speed
60~200r/min
60~200r/min
Feed-frame
tilt angle
-30°~80°
-90°~90°
Rated
feed/pull force
90/120kN
90/120kN
Rated power
55kW
55kW
Dimension (m)
2.17×0.85×2.1（drill unit）
2.63×0.85×1.8（pump unit）
2.30×0.85×2.1（drill unit）
2.63×0.85×1.8（pump unit）
Weight
3950kg（drill unit）
3075kg（pump unit）
4200kg（drill unit）
3075kg（pump unit）
1)Wonderful drill applicability
2)Strong drill capacity
3)Suitable for narrow roadway/drill site
3.Technical Features
1)Competitive small dimension in width
(drill unit)
2.17m×0.85m×2.1m 2.30m×0.85m×2.1m
ZDY4300LF ZDY4300LF（A）
2)Competitive small dimension in width
(pump station)
3)Competitive small dimension width
4)Excellent climbing ability Rig can climb hills as slope as 15°
5)Reliably hydraulic system
①Mature Constant pressure variable displacement control system
② High quality hydraulic components（Rexroth and Sauer） maintain system reliability
③ Linkage system and optimized pressure/flow rate control lead to simple operation
6)Reliable steadiness
7)Extensive adjustment range of drill
azimuth, height and inclination
8)Extensive adjustment range of drill
azimuth, height and inclination
Drill inclination adjustment
ZDY4300LF: ranges from -30° to +80°
ZDY4300LF(A): ranges from -90° to +90°
4. Application
1)Luling Coal Mine, Anhui, China
On-site designed borehole profile
孔号
方位角/°
倾角/°
深度/m
1#
0
40
45
2#
0
70
33
4#
0
61
36
5#
0
53
39
6#
0
46
42
8#
0
35
42
9#
0
30
59
10#
0
26
73
8 boreholes, 385m are drilled in just 4 days in experiment. Drill efficiency was increased by more than 35% compare with other rigs.
2)Huangling Coal Mine, Shaanxi, ChinaInner seam borehole drilling
Hole No.
Azimuth angle/°
Inclination angle/°
Depth/m
Total/m
1#
75
1
140
612
2#
75
3
52.5
3#
75
-1
73.5
4#
90
-2.5
66
5#
90
0
280
5 boreholes, 612m were drilled in experiment. The large depth reached 280m
Roof borehole drlling
Hole No.
Azimuth angle/°
Inclination angle/°
Depth/m
Total drill/m
6#
29
20
144
924
7#
25
20
132
8#
20
16
132
9#
21
14
132
10#
17
8
132
11#
15
12
132
12#
17
8
120
Cross seam borehole drilling
