Open-type TBM advanced spraying and mixing device and open-type TBM

The invention provides an open-type TBM advanced spraying and mixing device and an open-type TBM. A walking device of the open-type TBM advanced spraying and mixing device is located on a track of a main beam of the open-type TBM. The open-type TBM advanced spraying and mixing device comprises a steel arch mounting device, a rotating frame, welding supporting legs, a walking trolley and a spraying head. Wherein one end of the welding supporting leg is welded to the steel arch installer, the other end of the welding supporting leg is welded to the rotating frame, and the welding supporting leg is used for supporting and fixing the rotating frame; the spray head is arranged on the walking trolley in a swinging manner; the rotating frame is provided with an arc-shaped rotating space, and the walking trolley runs in the arc-shaped rotating space. Due to the fact that the rotating frame is welded to the steel arch installer, the spray head and the steel arch installer share one set of front-back walking mechanism,