Composite stratum recognition system for shield tunneling machine, shield tunneling machine and method

The invention relates to a composite stratum recognition system for a shield tunneling machine, the shield tunneling machine and a method. The composite stratum recognition system comprises a vibration monitoring device, a wireless signal receiving device, an electric brush slip ring and a monitoring terminal, and the vibration monitoring device is installed on a radial plate of a cutter head of the shield tunneling machine and can monitor the vibration information of the cutter head; the wireless signal receiving device is used for being installed on the slag inlet side of a spiral unearthing device of the shield tunneling machine, and the wireless signal receiving device is in wireless connection with the vibration monitoring device and can receive vibration information obtained through monitoring of the vibration monitoring device; the electric brush slip ring is used for being arranged at the slag discharging side position of the spiral unearthing device of the shield tunneling machine, the electric brush