The exploitation of huge tonnage in our company for Electrical Hoisting of HCXQ type steel wire (EH for short as below) is per of the hoisting design code as GB3811 and steel wire electrical hoisting as JB／T9008.1～9008.6, which applied on the type of cantilever scraper feeder as a patent, while the EH working level is M4, single rope tension is 2.5t~10t, rope outputting speed is 16/1.6～20/2m/min, rope containing volume is 50m～130m, steel rope diameter isφ15～φ30.
