MECHANISED SUPPORT FOR STEEP BEDS Russian patent published in 2010 - IPC E21D23/00 

FIELD: mining.

SUBSTANCE: mechanised support for steep beds includes basic stand and linear sections. Basic stand is divided into basic sections, every of which consists of front and goaf walls with hydraulic props of thrust and tail pieces connecting front and goaf walls by bed soil. Each linear section consists of hydraulic prop with roof bar and support board fixed on movable supports attached to capsule, at the same time bottom of capsule is arranged with a bulge in the form of shoe. Movable support consists of two light disks placed through bearings onto axis, between which on top there is a pressing plank with springs sending their forces to the same axis of support through bearing underneath.

EFFECT: increased stability and improved hauling of support at steep falling under conditions of weak side rocks.

2 cl, 3 dwg