Novel anchoring rod
A novel anchor bolt consists of a steel pipe and a triangle steel wire. The triangle steel wire is fixed on the steel pipe by high-strength adhesives. When the anchor bolt is screwed in a coal bed, the coal bed is pressed to deform and the triangle steel wire produces anchorage force to form full-le...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A novel anchor bolt consists of a steel pipe and a triangle steel wire. The triangle steel wire is fixed on the steel pipe by high-strength adhesives. When the anchor bolt is screwed in a coal bed, the coal bed is pressed to deform and the triangle steel wire produces anchorage force to form full-length of anchorage. The invention of the utility model helps improve the coefficient of recovery of the anchor bolt by 20 per cent and reduce the production and use cost of bolting by one-third, with good recovery and cutting performance; the utility model extends time for coal mining, speeds construction progress of coal mining enterprises and increases benefit for service units as an economic and practical novel anchor bolt. |
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