roller supports and for transferring load to the sole.;EFFECT: upgraded stability and fitting roof support into steep pitched bed, also facilitates recovery of sections position normal to bed, and compensation of roof support sliding by means of section advance along bed pitch.;2 cl, 3 dwgPERFIL...
com.aspose.cad.fileformats.cad.dwg.acdbobjects com.aspose.cad.fileformats.cad.dwg.appinfo com.aspose.cad.fileformats.cad.dwg.pageandsection.writer com.aspose.cad.fileformats.cad.dwg.r2004 com.aspose.cad.fileformats.cad.dwg.revhistory com.aspose.cad.fileformats.cad.dwg.summaryinfo com.aspose....
201-01-C1-5 - ROOF TRUSS - Rev 00 SINOSTEEL EQUIPMENT & ENGINEERING CO., LTD.
Section of roof bolting includes welded metal grate made of longitudinal bearing and transverse linking bars, anchors and pickup. The latter comes in the form of two parallel rods made fast to bearing bars of grate which are parallel to linking bars and placed at distance of value of grate ...
com.aspose.cad.fileformats.cad.dwg.acdbobjects com.aspose.cad.fileformats.cad.dwg.appinfo com.aspose.cad.fileformats.cad.dwg.pageandsection.writer com.aspose.cad.fileformats.cad.dwg.r2004 com.aspose.cad.fileformats.cad.dwg.revhistory com.aspose.cad.fileformats.cad.dwg.summaryinfo com.aspose....
EFFECT: increased efficiency and enhanced reliability in operation. 6 cl, 4 dwgDUBOVSKIJ YURIJ PLEBEDEV VASILIJ ELYAMIN YURIJ AVOLKOV EVGENIJ APOTAPENKO VYACHESLAV AFOMIN VIKTOR VPOPOV ANATOLIJ GSTOROZHILOV ANATOLIJ AKOLPAKOV ANATOLIJ N
Each lower element is installed along the roof slope and is made as a channel-like profile in the section, wall of which is installed on shelves, which are coaxially arranged on adjacent runs of support elements, and the upper element has a hat profile and is arranged perpendicularly to the...
on lateral surfaces of the capsule of the hardware compartment using a double action pneumojack.;EFFECT: improvement of adaptability of the roof support to changes of the formation hypsometry, stabilizing the roof support section and its survival in emergencies related to rock failure.;2 dwgPERFIL...
FIELD: mining.;SUBSTANCE: shearing shield of powered roof support section includes hydraulic cylinder, cleavers with wedge-like crack-formers and wedge-like dividers. Note that crack-formers and dividers are arranged in perpendicular plains and have stepped shape and their cutting edges are blunted...
Support surface is interrupted on end section of each link so that support elements can move in direction perpendicular to links. Vehicle includes said glazed roof.;EFFECT: higher reliability of vehicle roof is achieved.;20 cl, 17 dwgDEBUA MIKAEL...