JPS62169094U

JPS62169094U -

Info

Publication number: JPS62169094U
Application number: JP5536486U
Authority: JP
Priority date: 1986-04-15
Filing date: 1986-04-15
Publication date: 1987-10-27

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す概略的な縦断面
図、第２図は同上の他の実施例を示す概略的な縦
断面図、第３図は従来例を示す概略的な縦断面図
である。１……シールド掘進機、２……カツターホイー
ル、５，１４，３１……ブラケツト、７，１２，
３３……開口、９，１６……供給管、１０……隔
壁、２０……土圧室。 Fig. 1 is a schematic longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a schematic longitudinal sectional view showing another embodiment of the above, and Fig. 3 is a schematic longitudinal sectional view showing a conventional example. It is a diagram. 1... Shield excavator, 2... Cutter wheel, 5, 14, 31... Bracket, 7, 12,
33...opening, 9,16...supply pipe, 10...partition wall, 20...earth pressure chamber.

Claims

[Claims for Utility Model Registration] (1) In a shield excavator having an earth pressure chamber composed of a cutter wheel and a partition wall that supports the rotating shaft of the cutter wheel, air bubbles are formed in the excavated soil in the earth pressure chamber. Alternatively, a shield excavator characterized in that an opening for injecting slurry is arranged near the vertical center line of the earth pressure chamber. (2) The shield excavator according to claim 1, wherein the opening is provided in a bracket protruding from the back surface of the cutter wheel. (3) The shield excavator according to claim 1, wherein the opening is provided in a bracket protruding from the rotating shaft of the cutter wheel. (4) The shield excavator according to claim 1, wherein the opening is provided in a bracket protruding from the front surface of the partition wall.