chinacoal08

Specifications

Metal roof beam metallicity top beam, a kind of articulated roof beam 

Product Introduction

Metal roof beam metallicity top beam, a kind of articulated roof beam, with various types of metal single hydraulic prop with metal stents, for coal mine in horizontal and slowly inclined working face supporting a high strength roof beam, due to the top beam can cantilever timbering in front of working face, coal wall on the surface of the transport path of roof, coal is between the wall and pillars have a larger support space

Main Parameter

Model Center distance(mm) The number of articulated of each time Permissible bending distance (KN.m) To adjust the Angle Weight(Kg)

The beam body The ministry of 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