| 摘要 |
A bolt clamp for fixing guides in mine shafts positioned against the shaft reinforcement buntons by means of steel blocks characterised in that it comprises an element (1) adjustable against other clamp parts, namely supporting elements (8) permanently fastened to the shaft reinforcement buntons (3). One surface (8b) of the said supporting elements constitutes a profiled joint together with the washer (11) of bolted joints (9,12), whereas on the adjustable element (1) positioning blocks (2) are mounted and the said element is fastened to the guide (3) by means of another bolted joint (5, 7).<IMAGE>
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