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(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
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Permissible bending distance (KN.m)
|
To adjust the Angle
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Weight(Kg)
| ||
The beam body
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The ministry of articulated
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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
|
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