JPS61182492U

JPS61182492U -

Info

Publication number: JPS61182492U
Application number: JP6601285U
Authority: JP
Priority date: 1985-05-02
Filing date: 1985-05-02
Publication date: 1986-11-14

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す一部切欠立面図
、第２図は要部を略図で示す拡大断面図である。１…前側の管、２…後側の管、３…レール、４
，５…台車、６…ウインチ装置、７…ワイヤ、８
…口金、９…ボルト・ナツト、１０…フランジ、
１１…シール材、１２…周溝、１３…嵌合部分、
１４…嵌合止め突起。 FIG. 1 is a partially cutaway elevational view showing an embodiment of the present invention, and FIG. 2 is an enlarged sectional view schematically showing the main parts. 1...Front pipe, 2...Rear pipe, 3...Rail, 4
, 5... Trolley, 6... Winch device, 7... Wire, 8
...Band, 9...Bolt/Nut, 10...Flange,
11...Sealing material, 12...Peripheral groove, 13...Fitting part,
14... Fitting stop protrusion.

Claims

[Scope of Claim for Utility Model Registration] A front pipe connected to the back of a shield machine to discharge earth and stones excavated by the shield machine to the rear along with water, and a rear part of this front pipe fitted inside from the front end face, A shield machine equipped with a double telescopic tube structure consisting of a front tube that moves forward together with the shield machine, and a rear tube that is moved in the excavation direction so that the mutually fitted parts become deeper after the front tube moves forward to a certain extent. In the earth removal device, a rubber hose is used for each of the front pipe and the rear pipe, and an annular cap that fits the outer periphery of the front pipe is fixed to the front end of the rear pipe, An annular sealing material is installed in the circumferential groove formed on the inner circumferential surface of the mouthpiece, which closely contacts the outer circumferential surface of the front tube and seals the double fitting portion of the front and rear tubes. An earth removal device for a shield machine characterized by having the following configuration.