Research and Finite Element Analysis on Automatic Pulling Temporary Bracket in Synthesis Tunneling Working Face

Using the anchor rod to support in the synthesis tunneling tunnel,the temporary supporting is an essential working procedure.The reliability of the temporary supporting directly influences the safety of the supporting and the velocity of tunneling.In view of the present temporary supporting situation,the automatic pulling temporary bracket primary structure,the principle of work and the major technique parameter are elaborated,and carried on the finite element analysis of the temporary support trivet structure.