JPS6050294U

JPS6050294U - Earth removal device for shield excavator

Info

Publication number: JPS6050294U
Application number: JP14312883U
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 drawings]

第１図は従来例の縦断面図、第２図は本考案の第１の実
施例の縦断面図、第３図は同第２の実施例の縦断面図、
第４図は同第３の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
用Ｌ９，１０・・・・・・ギヤ、１１．１２・・・・・
・ピニオン、１３．１４・・・・・・回転駆動装置、２
１・・・・・・シールド本体、２２・・・・・・圧力室
、２３・・・・・・カッタヘッド、２８・・・・・・排
土装置、２９・・・・・・大気圧室、３０・・・・・・
筒状ケーシング、３０ａ・・・・・・第１環状凹部、３
０ｂ・・・・・・第２環状凹部、３１・・・・・・圧力
室後部隔壁、３２・・・・・・排出口、３３・・・・・
・第１回転環、３４・・・・・・第２回転環、４１・・
・・・・第１回転駆動装置、４２・・・・・・第２回転
駆動装置、４５・・・・・・スクリュウ羽根、４６・・
・・・・第１回転軸、４６ａ・・・・・・中空穴、４Ｆ
・・・・・第２回転軸、５０・・・・・・混練羽根。第２図１−５第３図FIG. 1 is a longitudinal sectional view of the conventional example, FIG. 2 is a longitudinal sectional view of the first embodiment of the present invention, and FIG. 3 is a longitudinal sectional view of the second embodiment.
FIG. 4 is a longitudinal sectional view of the third embodiment. . 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 L9, 10...・・Gear, 11.12・・・・
・Pinion, 13.14... Rotation drive device, 2
1...Shield body, 22...Pressure chamber, 23...Cutter head, 28...Earth removal device, 29...Atmospheric pressure Room, 30...
Cylindrical casing, 30a...First annular recess, 3
0b...Second annular recess, 31...Pressure chamber rear partition wall, 32...Exhaust port, 33...
・First rotating ring, 34... Second rotating ring, 41...
...First rotation drive device, 42...Second rotation drive device, 45...Screw blade, 46...
...First rotating shaft, 46a...Hollow hole, 4F
...Second rotating shaft, 50...Kneading blade. Figure 2 1-5 Figure 3

Claims

[Scope of utility model registration request]

This is an earth removal device for discharging excavated soil taken into a pressure chamber formed in a cutter head to a fire pressure chamber side, and is a cylindrical cage with one end opened into the pressure chamber. a discharge port communicating with the atmospheric pressure chamber is formed on the other end side of the cylindrical casing, a first annular recess is formed near one end of the outer periphery of the cylindrical casing, and a second annular recess is formed near the other end; First and second rotary rings rotatably driven by rotary drive devices are disposed in the first and second annular recesses, respectively, and a screw blade having a hollow first rotary shaft is rotatably provided in the cylindrical casing. and connecting the first rotating shaft or screw blade with the first rotating ring, one end of which is located in the pressure chamber, and the other end of the second rotating shaft being inserted into the first rotating shaft. A shield excavation characterized in that a kneading blade is positioned near the other end of the cylindrical casing and connected to a second rotating ring, and is provided on one end side of the second rotating shaft for mixing excavated earth and sand in the pressure chamber. Machine soil removal device.