Hinged top beam accessories ear plate horizontal pin arc pin retaining ring tip pin

规格：

GL

规格：

铰接顶梁配件 耳板 水平销 圆弧销 挡圈 尖销

Hinged roof beam accessories ear plate horizontal pin arc pin retaining ring tip pin B
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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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
<Cross type metal roof beam

Long row beams

Metal long beams

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Metal long beam hinged roof beam handover roof beam B metal roof beam B metal roof beam