long beam B metal roof beam B cross-type roof beam B double wedge roof beam hinged roof beam type metal roof beam
B
Metal roof beam model: B/B/ B/ B/
B
Long beam metal roof beam model: B ( )
Cross-shaped metal roof beam model B*( )
B*
)
Double wedge top beam model: B/ B/
Metal top beam model ( )/
Metal roof beam:
The roof beam specifications are divided into: meter
and meter
extended beam.
The above-mentioned top beam can be combined with hydraulic props or various types of single metal props with hinged tops to form a metal bracket. It is used to support the roof of horizontal and gently inclined mining working faces below the inclination angle of the coal seam and with a mining height of 1 meter. It can cantilever support the roof above the working face conveyor, so that there is a larger space between the coal wall and the pillar, thus providing a way to improve working conditions, adopt new coal mining machinery and bendable scraper conveyors, and realize general mechanization of coal mining. condition.
B
Type B metal hinged roof beam is a new type of roof beam, which is a replacement product of the type roof beam. The beam body is butt-welded by two pieces of high-grade steel, and the cross-sectional heights are
Metal roof beam parameter table
> < Model
Allowable bending moment of hinged beam
> Single beam load-bearing capacity
Overall tempered hardness B
Beam section
Coefficient
Adjustment angle
Design
Unit weight
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< > Minimum (maximum)
< > Beam body
> Hinge part
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> Up and down
> Left and right
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< > B
B
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Long metal beam
/>Hinged roof beam
Hinged roof beam
B
Metal roof beam
B
Metal roof beam
B/ B/ B< br/>Type metal roof beam
Metal roof beam
Cross metal roof beam
Double wedge metal roof beam
Type metal roof Beam type metal roof beam
Type metal roof beam
B/ B/ B/ B/ B
Metal roof beam
< br/>B/ B/
Double-wedge roof beam B*/Cross roof beam B*/Cross roof beam
m
Metal roof beam
m
Handover Roof Beams
Shandong Roof Beams
Jining Roof Beams
<
Long row beams
Metal long beams
Metal roof beam type roof beam type metal roof beam metal roof Beam/metal roof beam/metal roof beam/metal roof beam/metal roof beam/metal roof beam metal roof beam type metal roof beam type hinged roof beam good luck metal roof beam manufacturer metal roof beam high quality metal roof beam the best metal roof beam direct sales Metal roof beam
Metal long beam hinged roof beam handover roof beam B metal roof beam B metal roof beam