SJD70-5 Power head - Wenling Dongyu Heavy Industry Co., Ltd.

walking frame Power head Backstage Hydraulic hammer Construction Rig

Project	Unit	SJD70-5
Borehole diameter	mm	700x700x700x700x700
Number of drilling heads		5
Center distance of drill pipe	mm	500x500x500x500
Maximum drilling depth	m	25
Drill pipe revolutions	r/min	24
Drill pipe diameter	mm	219
Basic length of drill pipe	m	3/6/8
Average drill pipe torque	KNM	14.32
Maximum drill pipe torque	KNM	110
Power of power head	kw	220(110kw*2)
Center distance of guide rail	mm	600
Number of pulleys	Pieces	6
Distance between guide rail center and drill pipe center	mm	952
Distance between guide rail center and pulley Center	mm	770
Wire rope diameter	mm	22
Manipulation mode		Electrical control
Transmission mode between drill pipe shafts		Five axis linkage
Motor starting mode		Common depressurization pneumatic