Segmentally anchorable connectable extension anchor rod and its installation device
A bolt and anchoring technology, which is applied in the installation of bolts, mining equipment, earthwork drilling and mining, etc., can solve the problems of space limitation of support bolt construction, inability to realize combination of deep rock formations, inability to anchor in sections, etc., and achieve stable maintenance High performance, wide practicability, and convenient installation
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[0024] The technical solutions in the embodiments of the present invention will be described in detail and completely below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] Such as figure 1 , figure 2 , Figure 8 As shown, a segmented anchoring connectable extended anchor rod includes a steel rod body 3, and the left end of the steel rod body 3 is sequentially provided with a frustum of cone 2 and a threaded column 1 coaxial with the steel rod body 3 body; The left end of the steel rod body 3 is conical, and the large-diameter end face of the truncated cone 2 is connected to the steel rod body 3; the right end of the st...
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