YanQingHua

The full hydraulic rock drilling jumbo is the main equipment for underground construction and the core strength of our construction. Through the accumulation of years of experience in dismantling and maintenance of rock drilling rigs, some precautions for rock drilling rigs before, during and

The flipping device is the standard configuration of most rock drilling rigs to realize the turning action. In view of the unclear principle of the flipping device and the irregular disassembly and assembly of the repair personnel, this paper describes in detail, in order to provide help for