Full -automatic open caisson of major diameter excavates system

The utility model discloses a full -automatic open caisson of major diameter excavates system, it includes sword foot circle, transfers the device, the piece is encircled to the bottom and excavate the machine people, the supporting of bottom ring piece set up in the sword foot side of circling, the internal surface interval of bottom ring piece is provided with a plurality of direction locating parts, excavate machine people warp the direction locating part erects and is fixed in in the ring piece of bottom, transfer the device and pass through the steel strand wires connection sword foot circle, it is used for locking or release to transfer the device steel strand wires. The utility model has the advantages that, excavate the machine people and adopt hydraulic power, can be at underwater operation, the ring piece open caisson process of device control open caisson is transferred in the use, sedimentation rate and gesture that can effectual adjustable ring piece, it can excavate voluntarily to excavate the m