发明名称 |
Cable bolt monitoring device |
摘要 |
A monitoring unit for installation on a cable bolt comprises a tube designed to fit within a cable bolt hole and having a collar at one end thereof, a cable bolt adapted to be grouted in the rock at the centre of the tube, a base plate placed tightly against the tube collar adjacent the rock face, a centralizer sleeve designed to fit over the cable bolt to keep the cable centralized within the base plate and tube, an elongated measuring plate having a centre hole for insertion of the cable bolt to fit tightly against the base plate and a groove cut at equal distances from each side of the centre hole for allowing the measuring plate to bend if the rock moves with respect to the cable bolt, and a cable clamp for fixing the measuring plate tight against the base plate.
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申请公布号 |
US5284107(A) |
申请公布日期 |
1994.02.08 |
申请号 |
US19930014483 |
申请日期 |
1993.02.08 |
申请人 |
NORANDA INC. |
发明人 |
MILNE, DOUGLAS;CONDRON, ALAIN;POTVIN, YVES |
分类号 |
E02D33/00;E21D21/00;E21F17/18;G01B5/30;(IPC1-7):F16B31/02 |
主分类号 |
E02D33/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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