JPS6050292U

JPS6050292U - Earth removal device for shield excavator

Info

Publication number: JPS6050292U
Application number: JP14312683U
Authority: JP
Inventors: 笹山　博敏
Original assignee: 日立造船株式会社
Priority date: 1983-09-13
Filing date: 1983-09-13
Publication date: 1985-04-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来例の縦断面図、第２図は本考案の一実施例
の縦断面図である。１・・・・・・カッタヘッド、２・・・・・・圧力室、
３・・・・・・大気圧室、４・・・・・・筒状ケーシン
グ、４ａ・・・・・・後壁、４ｂ・・・・・・排出口、
５・・・・・・第１回転軸、６・・・・・・スクリュウ
羽根、７・・・・・・第２回転軸、８・・・・・・混練
羽根、９，１０・・・・・・ギヤ、１１．１２・・・・
・・ピニオン、１３．１４・・・・・・回転駆動装置、
２１・・・・・・シールド本体、２２・・・・・・圧力
室、２３・・・・・・カッタヘッド、２δ・・・・・・
排土装置、２９・・・・・・大気圧室、３０・・・・・
・筒状ケーシング、３０ａ・・・・・・環状凹部、３１
・・・・・・圧力室後部隔壁、３２・・・・・・排出口
、３３・・・・・・第１回転環、３７・・・・・・第１
回転駆動装置、３９・・・・・・スクリュウ羽根、４０
・・・・・・回転軸、４２・・・・・・第査回転環、４
６・・・・・・第２回転駆動装置、４８・・・・・・混
練羽根。FIG. 1 is a longitudinal sectional view of a conventional example, and FIG. 2 is a longitudinal sectional view of an embodiment of the present invention. 1... Cutter head, 2... Pressure chamber,
3... Atmospheric pressure chamber, 4... Cylindrical casing, 4a... Rear wall, 4b... Discharge port,
5...First rotating shaft, 6...Screw blade, 7...Second rotating shaft, 8...Kneading blade, 9, 10... ...Gear, 11.12...
...Pinion, 13.14... Rotation drive device,
21...Shield body, 22...Pressure chamber, 23...Cutter head, 2δ...
Earth removal device, 29... Atmospheric pressure chamber, 30...
・Cylindrical casing, 30a... Annular recess, 31
......Pressure chamber rear bulkhead, 32...Discharge port, 33...First rotating ring, 37...First
Rotary drive device, 39...Screw blade, 40
... Rotating shaft, 42 ... First inspection rotating ring, 4
6...Second rotary drive device, 48...Kneading blade.

Claims

[Scope of utility model registration request]

An earth removal device that discharges excavated earth and sand taken into a pressure chamber formed in a cutter head to an atmospheric pressure chamber side, the earth and sand being discharged from the other end side of a cylindrical casing whose one end is opened into the pressure chamber. a discharge port communicating with the atmospheric pressure chamber is formed, an annular recess is formed at a suitable location on the outer periphery of the cylindrical casing, and a first rotary ring rotatably driven by a first rotary drive device is disposed within the annular recess; A screw blade having a rotating shaft is rotatably arranged in a cylindrical casing, and the outer periphery of the ribbon-shaped screw blade is connected to the first rotating ring, and a second rotating ring is rotatably supported on the rear partition wall of the pressure chamber. and the second
An earth removal device for a shield excavator, characterized in that a kneading blade for kneading excavated soil in a pressure chamber is connected to a rotary ring, and a second rotary drive device for rotationally driving the second rotary ring is provided.