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~ZDY-650 full hydraulic tunnel drilling rig
1.Brief introductions of ZDY-650 full hydraulic tunnel drilling rig
The ZDY-650 full hydraulic tunnel drilling rig is mainly used for drilling holes, grouting holes. The working area is more than 6.5 square meters, and the height is more than 2.3m. The width is more than 2.8m. It has two kinds of drills, which are split column rack and pedestal rack. It can choose different drilling rig according to the height and usage of underground roadway.
2.Specifications of ZDY-650 full hydraulic tunnel drilling rig
Project Unit ZDY-650
Maximum drilling depth m 150
Open hole diameter mm Ф75/Ф115
End hole diameter  mm Ф65
Drilling pipe diameter mm 42
Drilling angle ° 0-±90°
Output rotating speed r/min 95
Output torque n.m 650
Feeding force kn 48
Pullout force kn 35
Rated advance speed m/min 0-1.5
Feeding stroke mm 850
Hardness range (protodyakonov scale of hardness) / f≤8
Noise db(a) ≤92
Working efficiency  % ≥40
Main engine dimension(long * weight * high) mm 2200*600*500
Total weight (excluding drill rod) kg 1200
Pumping station pump discharge pressure mpa rotation 14/ feed 11
 working medium / 46# Antiwear hydraulic oil
 tank capacity l 96.6
 dimension (long *wide*high) mm 1480*700*650

Control station feeding pressure mpa 11
 reverse rotation pressure mpa 13
 forward rotation pressure mpa 12
 dimension (long *wide *high) mm 500*400*450

Motor model / YBK2-160L-4
 rated power kw 15
 rated voltage v 380/660 660/1140
 rated current a 30/17.5
17.5/10.1
 rated rotating speed r/min 1460
Two layer steel wire braided hydraulic support rubber tube assembly RB2-6/10/13/16/19/22/25/32