Full -size tunneling machine multimedium combined type rotary joint

The utility model provides a full -size tunneling machine multimedium combined type rotary joint, axle in rotary joint, the rotary joint shell body, outside electrical joint, the brush, the brush rotation axis, inside electrical joint, the epaxial brush rotation axis that sets up in the rotary joint, inside electrical joint, the epaxial cable hole A that is equipped with in rotary joint, hydraulic oil through flow opening B, foam liquid through flow opening C, compressed gas through flow opening D, be provided with the brush on the rotary joint shell body, outside electrical joint, hydraulic oil through flow opening B's the E of interface in advance, foam liquid through flow opening C's the F of interface in advance, compressed gas through flow opening D's the G of interface in advance, the brush rotation axis is together fixed with the interior axle of rotary joint, epaxial brush rotation axis contacts in brush on the rotary joint shell body and the rotary joint, brush and brush rotation axis zonulae occlude