Product Details

1. Brief introductions of KHYD140 electric rock drilling rig for coal mine

KHYD140 electric rock drilling rig is a tool for rock blasting hole.

· electric rock drilling rig should be equipped with drilling stand, and can be horizontally forward or inclined upward to drill in any direction.

· In order to prolong the service life of drill bits and improve the working conditions of operators, water draining powder is called wet drilling.

· In the operation of drilling rig, we only need to operate the hand wheel, and the electric motor rock drilling rig can push itself forward and return quickly.

2. Specifications of KHYD140 electric rock drilling rig for coal mine

Model		KHYD140
Rated output power of electric motor	kw	5.5
Rated voltage of electric motor	v	380
Rated frequency of electric motor	hz	50
Rated current of electric motor	a	11.6
Motor rotating speed	r/min	1440
Motor phase number		three phase communication
Rated working mode		continuity
Drilling speed	mm/min	280
Maximum axial thrust	n	12000
Borehole diameter	mm	42-80（rock） 80~100（coal seam）
Hardness range	protodikonov`s scale of hardness	f<10
Maximum drilling depth	m	20（rock） 30~80（coal seam）
Weight of drilling rig (excluding runways, drill pipes, drills)	kg	100
Cable specifications	equipped by buyer	U 3x4+1x4