The invention discloses a continuous constant-pressure synchronous grouting device for shield
tunnel construction, and belongs to the technical field of shield
tunnel construction. The continuous constant-pressure synchronous grouting device for shield
tunnel construction comprises a moving plate, a conical grouting
barrel is arranged on the front side of a U-shaped frame, and the lower end of the conical grouting
barrel penetrates through the interior of the moving plate, extends to the exterior and communicates with a discharging hole; the lower end of a sleeve penetrates through the inner wall of a
machine box, extends into the conical grouting
barrel and is annularly provided with stirring rods at equal intervals; arc-shaped plates are arranged on the circumferential outer wall of the stirring rods in a front-and-
back structure; an output shaft of a motor B penetrates through the interior of the sleeve to extend to the exterior and is coaxially connected with an
auger, through close fit of the structures, after
slurry is stirred by the device,
extrusion conveying can be carried out at the same time, the situation that when a small amount of
slurry is pushed through a pressurization air
pipe, pushing cannot be achieved due to internal air circulation is avoided, and the working efficiency is improved; and meanwhile,
slurry on the inner wall can be scraped out through the arc-shaped plates, and the situation that the slurry is solidified due to the fact that the slurry is difficult to clean is avoided.