DFB type long row top beam

Long-beam metal roof beam models (,,,,,,,,,,,,,,,,,,)
The long-beam metal roof beam is a heavy-duty non-articulated roof beam that can be used with various types of roof beams. The single body and metal pillars are combined to form a metal bracket, which is used in coal mines on horizontal and gently inclined mining working faces and machine heads or other large roof control areas. It can support the roof of the control roof area with a long-span cantilever, achieving a larger working space without pillar support on the working surface, creating favorable conditions for improving working conditions and adopting new coal mining machinery and bendable transporters.
Technical Characteristics
Characteristic Length Allowable Bending Moment Beam Bearing Capacity Weight
Model Specifications (Minimum Maximum
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Remarks
, Bearing capacity is beam During the span, the concentrated load in the center of the beam
, the weight of the weld included in the weight
, and the addition of one specification for each difference in model specifications
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