APPARATUS FOR INSULATION OF PREPARATORY WORKINGS OF MINES Russian patent published in 1994 - IPC

FIELD: mining. SUBSTANCE: apparatus is mounted on movable transporting carriage 1, on which turning platform 2 is set. Flexible capacities 3, pneumatic jacks 4 with rods 5, thrust shield 6 with extendable members of barrier 7 and distributing collector 8, made as an inflatable buffer wall are placed on platform 2. Upper part of inflatable buffer wall of distributing collector 8 is connected with rods 5 and extendable members of barrier 7 by fixation 9. Flexible capacities 3 through branch pipes 10 communicate with distributive collector 8, that communicates with source of compressed gas 11 with pneumatic jacks 4 switched to it through pneumatic distributing system 12. Apparatus set has additional pneumatic cylinders 13 of several type-sizes to cover space of section of mining working 14 below of turning platform 2 level. EFFECT: apparatus is used for insulation of areas of mining workings in emergency and dumping energy of striking wave. 2 cl, 3 dwg