HFJ22/23 Hydraulic Tunneling Jumbo Drilling Rig

overview

1. HFJ22/HFJ23 drilling rig is suitable for road, railway, hydropower and other medium-sized tunnel boring and anchor rod construction, and is equipped with heavy-duty drill boom and a service desk, all-round, high-standard configuration to meet the different needs of customers.

2. The independent pilot rock drilling hydraulic system design adopts 2 invention patents and 9 utility model patents. With 15 intelligent control and protection functions, the controllability is better, and it is more stable and reliable;

3. Standard large wide-angle reversing image technology to prevent collision and damage of the machine due to blind spots during the moving process;

4. The multi-option configuration function of two arms plus one platform and three arms plus one platform can be combined flexibly according to different needs of users;

5. The heavy-duty articulated chassis design can meet the flexible movement of the equipment in the complex working conditions of small and medium-sized tunnels.

Technical Data

Main technical specifications	HFJ22	HFJ23
Drilling range	45-89mm	45-89mm
Drill pipe specifications	T38-H35-R32/5，525mm	T38-H35-R32/5，525mm
Rock drill model	ZY104M	ZY104M
diesel engine	Cummins QSB5.9-C170-30	Cummins QSB5.9-C170-30
Diesel engine power	125kw@2,200 rpm	125kw@2,200 rpm
main motor power	55kWx2	55kWx3
Pump pressure and displacement	15 bar 14m3/h	17.5 bar 18m3/h
Air compressor pressure and displacement	8 bar 1m3/min	8 bar 1m3/min
Number of arms	2+1	3+1
Walking speed	14.5/6.5/3.7km/h	14.5/6.5/3.7km/h
Climbing angle	15º	15º
Driving turning radius	Inside R4,800 outside R8,200	Inside R4,800 outside R8,200
Working face size	13.8m x 9.7m	13.8m x 9.7m
(WxH）	13.8m x 9.7m	13.8m x 9.7m
Maximum working area	110m2	110m2
Dimensions	16,800x2,500x2,700/3,400mm	16,800x2,500x2,700/3,400mm
（LxWxH）	16,800x2,500x2,700/3,400mm	16,800x2,500x2,700/3,400mm
Rig weight	≤34T	≤38T