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Metal roof beam, also known as metal roof beam, is a type of hinged roof beam. Because of this cantilever support surface, the roof beam and roof beam can transport coal on the wall in front of the roof, and there is a gap between the wall and the coal column. Large support space.
Hinged roof beams can be combined with various types of single metal columns with metal brackets for horizontal and gently inclined coal face support high strength beam energy roof beam because the roof coal face cantilever retaining wall is located on the roof above the front conveyor. The space between the wall and the coal pillar is larger, and no support is required. It is a necessary equipment for the use of new flexible transportation and mining machinery, general mechanization of mining to achieve general mining, and new high-end luxury mining technology. The articulated top beam realizes cantilever There is a large unsupported space between the coal pillar and the wall, which generally provides conditions for the realization of mechanized mining of coal mines.