JPS5910398U - Earth pressure type shield excavator excavation port device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a vertical sectional view of a conventional earth pressure type shield excavator, Fig. 2 is a plan sectional view of the soil discharge port device according to the present invention connected to the soil discharge port of a conventional earth pressure type shield machine, and Fig. 3 The figure is a sectional view taken along the line ■--■ in FIG. 2, and FIG. 4 is a rear view taken along the line IV--IV in FIG. In the figure, 1 is an earth pressure type shield excavator, T is a tunnel, 6 is a cutter chamber, 8 is a screw conveyor, 11 is an earth discharge port, and 25, 1 and 30 are flexible wire members that form an opening/closing curtain. It's a brush.・Figure 2Figure 4

Claims (1)

[Scope of utility model registration request] The above-mentioned screw conveyor tunnel of the earth pressure type shield excavation machine has a cutter chamber facing the ground where the tunnel will be excavated and a screw conveyor connected thereto, which have a watertight structure, and the excavated soil is retained and consolidated therein to form a water-stop wall. A flexible wire material is provided on the exit side of the soil discharge port provided at the side end so as to cross the opening cross section from the inner circumferential wall of the soil discharge port, and the wire material forms an opening/closing curtain. Features: Earth pressure type shield excavator excavation port device.