Open-type TBM

The invention provides an open-type TBM (Tunnel Boring Machine). The open-type TBM comprises a main beam, a cutter head, a driving system, a propelling system and a supporting system, the two ends of the main beam are the front end and the rear end correspondingly, and the direction, facing the front end, of the rear end is the tunneling direction of the open TBM. The driving system is connected between the front end of the main beam and the cutterhead, and the driving system is configured to drive the cutterhead to rotate; the pushing system comprises a supporting shoe support, a main pushing hydraulic cylinder supporting seat and a plurality of main pushing hydraulic cylinders, the supporting shoe support is movably connected to the main beam, the main pushing hydraulic cylinder supporting seat is arranged on the main beam and located behind the supporting shoe support, one end of each main pushing hydraulic cylinder is connected to the main pushing hydraulic cylinder supporting seat, and the other end of e