Segmented anchored connectible extension anchor rod and installation device thereof

Abstract

The invention belongs to the field of geotechnical engineering supporting devices, and particularly relates to a segmented anchored connectible extension anchor rod. The anchor rod comprises a steel rod body, and the left end of the steel rod body is sequentially provided with a conical table and a threaded column which are coaxial with the steel rod body; and the right end of the steel rod body is provided with an internal threaded groove, limiting grooves and a plurality of barbs. An installation device of the segmented anchored connectible extension anchor rod comprises a connecting rod, afirst hexagonal prism and a second hexagonal prism are arranged at one end of the connecting rod, the first hexagonal prism is used for being clamped with a first limiting groove, and the second hexagonal prism is used for being clamped with a second limiting groove. The anchor rod has the advantages of large anchoring depth, segmented anchoring, high bearing capacity, convenience in installationand the like. Compared with a common anchor rod, the length of the anchor rod is not limited by a space of a construction site; and segmented anchoring can be realized, and the bearing capacity of theanchor rod can be fully exerted.

Description

technical field [0001] The invention relates to the field of support devices for geotechnical engineering and mine roadways, in particular to anchor rods for geotechnical engineering such as engineering slopes, tunnels, and mine roadways; in particular, it relates to a segmented anchor that can be connected to extend the anchor rod and its installation device. Background technique [0002] Anchor bolts are widely used in the support of geotechnical engineering, especially in the temporary or permanent support of mine roadways and the permanent support of various traffic tunnels; to prevent roadways or tunnel surrounding rocks deformation and collapse. [0003] The supporting anchor is the most basic equipment material in the current geotechnical engineering support, but the disadvantages of the traditional anchor are obvious: First, the length of the supporting anchor is generally It is fixed. In the actual application environment, there are many considerations in selectin...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies existing in the prior art, the present invention provides a connectable extension bolt for segmental anchoring and its installation device, which solves the problem that the length of the existing support bolt is limited by the construction space, and it is impossible to realize the combination of deep rock formations and the inability to separate Segment anchoring, cumbersome installation and other issues

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