Mine Front Probe Beam can be used with all types of monomers, metal pillar with the composition of metal stents for the horizontal and gently coal mining face and head are inclined or other large areas using roof control. It can support long span cantilevered roof roof control area, to achieve a greater face without pillars supporting the work space, improve working conditions and the use of new coal mining machinery and flexible transport cashier transformation favorable conditions.
Model |
Center distance(mm) |
Connect number of each time |
Permissible bending distance (KN.m) |
The Angle |
Weight(㎏) |
||
The beam body |
Connection articulated |
Upper, lower |
Left, right |
||||
DJB600/470 |
600 |
1-2 |
52.50 |
30.00 |
≥7° |
≥3° |
18.86 |
DJB800/420 |
800 |
1-2 |
52.50 |
30.00 |
≥7° |
≥3° |
22.9 |
DJB1000/300 |
1000 |
1-2 |
52.50 |
30.00 |
≥7° |
≥3° |
26.93 |
DJB1200/300 |
1200 |
1-2 |
52.50 |
30.00 |
≥7° |
≥3° |
30.95 |