Roof support

The YURMASH 2U-055/15 chock-shield roof support is designed to mechanically strengthen and control the roof ensuring a safe working face area by the top caving-in method.

Roof support is designed to mechanically strengthen and control the roof ensuring a safe working face area. High resistance of this roof support combined with the relatively small weight of the support section.

The YURMASH 4х-09/23 chock-shield support is designed to mechanically strengthen and ensure a safe working face area by controlling the roof including the heavy ones according to rock pressure manifestation.

These н138/2 chock-shield supports are designed to ensure a safe working face area.

The 3н138I chock-shield supports are designed to ensure a safe working face area, mechanically strengthen and control roofs including the heavy ones according to the rock pressure manifestation.

This chock-shield supports are designed to mechanically strengthen and control the roof.

The YURMASH 2U-12/25 chock-shield support is designed to mechanically strengthen and control the roof. Side-flaps can extend to 200 mm.

The YURMASH 2U-14 / 28 chock-shield supports are designed to ensure a safe working face area, mechanically strengthen and control the roof including the heav y ones according to the rock pressure manifestation, and advance longwall conveyors as coal is worked out in the fat and steep beds.

The YURMASH 2-16/31 chock-shield supports are designed to ensure a safe working face area, mechanically strengthen and control the roof including the heavy ones according to the rock pressure manifestation.

The YURMASH 2SH-16/32 chock-shield support is designed to mechanically strengthen and control the roof. The roof support is outftted with devices to hold up and secure roof support units as well as adjust and route face conveyers.

The M138/4 chock-shield supports are designed to ensure a safe working face area, mechanically strengthen and control the roof including the heavy ones according to the rock pressure manifestation.

The YURMASH 4U-16,5/35 chock-shield support is designed to mechanically strengthen and control the roof including the heavy ones according to the rock pressure manifestation to ensure a safe working face area as well as advance longwall conveyors as coal is worked out in the fat and steep beds.

The YURMASH 4U-18/38 chock-shield support is designed to mechanically strengthen and control the roof. The support has an sliding shield to synchronously support the roof in the goaf environment and damp the heading.

The YURMASH 4V-17/30 chock-shield supports are designed to ensure a safe working face area, mechanically strengthen and control the roof including the heavy ones according to the rock pressure manifestation with caving of the top coal band.

The YURMASH 2SH-26/53, 2SH-23/48, 2SH-20/43, 2U-20/43 chock-shield supports are designed to ensure a safe working face area, mechanically strengthen and control the roof including the heavy ones according to the rock pressure manifestation, and advance longwall conveyors as coal is worked out in the fat and steep beds.

The support is designed to bear the top at face ends and protect passage ways under long wall roof supports against weak roof in the upper entry in seams of up to 30њ to the dip.

The mobile face end support of shell-and-slide box type is designed to bear the top at face ends. It can operate in wide and narrow drifts of trapezoid and arch sections with single - and double-drive heads of face conveyers.