Status and development trend of tunneling equipments of coal drift in China

The paper introduced composition and performances of tunneling equipments of coal drift in China, namely roadheader unit, continuous miner unit, digging-bolt unit and full-hydraulic jumbo unit, and analyzed applicable conditions and technology characteristics of the equipments. It indicated development trend of the tunneling equipments of coal drift in China, that is using parallel operation of tunneling and supporting to realize rapid tunneling operation line of digging-bolt unit, using whole section tunneling technology to improve tunneling efficiency, using advanced technologies of automation and informatization to realize unmanned operation.