Mining Articulated Roof Beam

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Mining Articulated Roof Beam with various types of metal prop with metal stents, for coal mine in horizontal and slowly inclined working face supporting a high intensity beam.

Hinged roof beams to achieve cantilever support, the coal pillar between the wall and have a larger space without support for the realization of mechanization of coal mining generally provided the conditions. The product is only suitable for blasting mining face, but also the high-grade mining face roof support necessary equipment hinged roof beams are mainly based on the pi-beams made of welded parts.

Model	Center distance（mm）	Connect number of each time	Permissible bending distance （KN.m）		The Angle		Weight（㎏）
Model	Center distance（mm）	Connect number of each time	The beam body	Connection articulated	Upper, lower	Left, right	Weight（㎏）
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

China coal Mining Articulated Roof Beam

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Mining Articulated Roof Beam with various types of metal prop with metal stents, for coal mine in horizontal and slowly inclined working face supporting roof is used

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Hinged roof beams can be used with all types of single metal pillar with the composition of metal stents for the horizontal and gently inclined coal mining face supporting roof beams of a high-intensity beam energy because of this top coal face cantilever

retaining wall in front Road transport aircraft above the roof, walls and pillars of coal between a larger space without support, it is using the new flexible transport and mining machinery, mining general mechanization to achieve the conditions for general mining, and new high-end luxury mining technology necessary equipment.

Mining Articulated Roof Beam

Product categories

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DFB Long Metal Beam

DFB Long Metal Beam is a heavy duty non-Mining Articulated Roof Beams, DFB type can be used with all types of long metal beam monomer composition of the metal pillars with metal stents for the horizontal and gently coal mining face and head are inclined or other larger areas using roof control.

DFB long metal beam can support long span cantilevered roof roof control area, to achieve a greater face without pillars supporting the work space, improve working conditions and the use of new coal mining machinery and flexible transport cashier favorable transformation condition.

DJB Metal Roof Beam

Metal Roof Beam is also called metallic roof beams, one kind of Mining Articulated Roof Beams, can be used with all types of hydraulic prop with the composition of the metal-metal stents for the horizontal and gently inclined mine stope support of a kind of high strength roof beams, roof beams can be because of this cantilever supporting face, coal transport road above the wall in front of the roof, walls and pillars of coal have greater support among space

Metal Roof Beams

Metal Roof Beams are used in coal mining face, located above the roof of hydraulic prop under pressure to pass the roof support beams. Is the term coal mining face support plate top beam. Press the metal roof beam connection can be divided hinged roof beams and two kinds of non-hinged roof beams. Press the top girder section shape metal roof beams can be divided into four top beam . Metal roof beams can be used with all types of metal pillar with the composition of the monomer metal stents for the horizontal and gently inclined mine stope support of a high-strength roof beams because of this cantilever roof beams can support face, coal Road transport in front of the wall above the roof, walls and pillars of coal have greater support among space.

pi-type Steel Beam

pi-type Steel Beam is the most commonly used roof beams,pi steel beam with two roots pipi heat-treated steel welded together, thus its name from.pi steel beam is mainly used for coal mine tunnel or roadway roof support, with single prop to play with the composition of the metal bracket supporting effect roof beams.

Weight	10.2kg/m
Material	27SiMnleg
height	45
Outer width	100
Iinner width	83
Waist depth	8
Teeth space	52
Material	27SiMn

Cross Roof Beam

Cross roof beams are metal products used for roadway in mine , superior product performance, simple structure, easy to operate, and with the use of hydraulic prop is the ideal support products