Anchor rod assembly

• Main Authors: KANG HONGPU, YANG LEI, LOU JINFU, CAO SHUWEN, GAO FUQIANG, WANG ZHENGSHENG, YAN YATAO, LI JIANZHONG, SI LINPO, WANG XIAOQING, YANG JINGHE, LIU XIAOMIN, YUAN GUIYANG
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention relates to the technical field of mine support, and provides an anchor rod assembly. The anchor rod assembly comprises an anchor rod body, an anchoring sleeve and a shear pin, wherein the anchoring sleeve is connected to one end of the anchor rod body and sleeves the outer side of the anchor rod body; the anchor rod body is switched between a fixed state in which the anchor rod bodyis fixedly connected with the anchoring sleeve through the shear pin and an adjusting state in which the fixed relation between the anchoring sleeve and the anchor rod body is released by the shear pin; and in the adjusting state, the anchor rod body can move along the axial direction of the anchoring sleeve and can be fixed in the anchoring sleeve. The length of the anchor rod assembly provided by the invention can be adjusted telescopically, so that the length of the anchor rod assembly extending out of the surface of surrounding rock of a roadway can be shortened, the problem that an anchorrod is bent by a hydrauli