Overall cementation type anchor rod with tensioning pull rod

• Main Authors: YANG MINGJIU, YANG HONGBO, XU LIANSHENG, XIAO JIAN, LIU WENSHENG
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2012
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention relates to an overall cementation type anchor rod with a tensioning pull rod, which comprises a left anchor rod and a right anchor rod which are used in pairs. The overall cementation type anchor rod is characterized in that the left anchor rod and the right anchor rod are respectively formed by a tensioning section and an anchoring section, wherein the tensioning section and the anchoring section of each of the left anchor rod and the right anchor rod are symmetrically connected in an acute angle way, the tensioning pull rod is arranged between the tensioning sections of the left anchor rod and the right anchor rod and is a bidirectional nipple thread sleeve, forward external threads and reverse external threads are respectively arranged at the ends of the tensioning sections of the left anchor rod and the right anchor rod, forward internal threads and reverse internal threads are respectively processed at the left end and the right end in the bidirectional nipple thread sleeve, and the forward