Self-propelled hollow grouting resin anchor rod

The utility model discloses a self-propelled hollow grouting resin anchor rod which comprises a first rod body, a second rod body is installed at the right end of the first rod body, threads with different screw pitches are arranged on the surface of the first rod body and the surface of the second...

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Bibliographic Details
Main Author HUO YUSHENG
Format Patent
LanguageChinese
English
Published 19.08.2022
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses a self-propelled hollow grouting resin anchor rod which comprises a first rod body, a second rod body is installed at the right end of the first rod body, threads with different screw pitches are arranged on the surface of the first rod body and the surface of the second rod body respectively, and the surface of the second rod body is movably sleeved with a tray and a base plate in sequence from left to right. The surface of the second rod body is in threaded connection with a fastening nut, a through hole is jointly formed in the first rod body and the second rod body, an anti-corrosion layer is arranged on the outer surface of the first rod body, and a reinforcing layer is arranged on the surface of the anti-corrosion layer. According to the self-propelled hollow grouting resin anchor rod, the wear resistance and the high temperature resistance of the resin anchor rod are improved through the arrangement of the reinforcing layer, the service life of the resin anchor rod is prolon
Bibliography:Application Number: CN202220270701U