JPS5947797U

JPS5947797U - Backfilling material injection device for shield excavator

Info

Publication number: JPS5947797U
Application number: JP14084082U
Authority: JP
Inventors: 山崎　英嗣
Original assignee: 日立建機株式会社
Priority date: 1982-09-17
Filing date: 1982-09-17
Publication date: 1984-03-29

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図はシールド掘進機の一例を示す断面側面図、第２
図は第１図の■−■断面図、第３図はこの考案の一実施
態様を示す第２図の■−■断面相当図、第４図は第３図
のスプールロッドの引込み状態を示すＩＶ−ＴＶ断面図
、第５図は第３図のＶ−■断面図、第６図はこの考案の
裏込材注入装置の貯槽、ポンプ、それにつらねたホース
、排水ホースの系統を示す図、第７図、第８図は公知の
裏込材注入装置における保護管の後端部の構造を示す断
面平面図、第９図は公知の裏込材注入装置における裏込
材ポンプ、水ポンプをそなえた配管系統を示す図である
。２・・・・・・シールド掘進機、３・・・・・・スキン
プレート、４・・・・・・セグメント、６・・・・・・
保ｉＩ！、？・・・・・・テールボイド、訃・・・・・
シリンダ穴、９・・・・・・注入口壁部、１０・・・・
・・シール、１１・・・・・・シール、１２・・・・・
・洗浄水管１１３・・・・・・スプールロッド、１３ａ
・・・・・・スプール部、１４・・・・・・裏込材注入
管路、１５・・・・・・継手、１６・・・・・・裏込材
注入ホース、１７・・・・・・取出し用穴、２０・・・
・・・油圧シリンダ、２１・・・・・・貯槽、２２・・
・・・・ポンプ、２３・・・・・・流量計、２４・・曲
間閉弁、２５・・・・・・開閉弁、２６・・・・・・排
水ホース。Figure 1 is a cross-sectional side view showing an example of a shield tunneling machine;
The figure is a sectional view taken along the line ■-■ in FIG. 1, FIG. 3 is a cross-sectional view corresponding to the line ■-■ in FIG. 2, showing an embodiment of this invention, and FIG. 5 is a sectional view of IV-TV, FIG. 5 is a sectional view of V-■ in FIG. 7 and 8 are cross-sectional plan views showing the structure of the rear end of the protective tube in a known backfilling material injection device, and FIG. 9 shows a backfilling material pump and a water pump in a known backfilling material injection device. It is a diagram showing the piping system provided. 2...Shield excavator, 3...Skin plate, 4...Segment, 6...
HoiI! ,? ...Tail void, death...
Cylinder hole, 9... Inlet wall, 10...
...Seal, 11...Seal, 12...
・Cleaning water pipe 113...Spool rod, 13a
... Spool part, 14 ... Back filling material injection pipe, 15 ... Joint, 16 ... Back filling material injection hose, 17 ... ...Ejection hole, 20...
...Hydraulic cylinder, 21...Storage tank, 22...
... Pump, 23 ... Flow meter, 24 ... Interval closing valve, 25 ... Opening/closing valve, 26 ... Drain hose.

Claims

[Scope of utility model registration request]

A protective tube with an injection port wall section on the rear end is provided on the outer peripheral wall of the skin plate forming the railed body, a backfilling material injection conduit is configured within the protective tube, and an outlet of the backfilling material injection conduit is provided. Insert a part of the sprayer that switches on and off into the backfilling material inlet provided on the inlet wall, provide a cleaning wooden conduit in the rond connected to the spool, connect a sliding operation means to the rond, and Backfilling material injection in which the connection between the outlet of the backfilling material injection pipe and the backfilling material injection port and the connection between the cleaning wood pipe and the outlet of the backfilling material injection pipe are switched by protruding and retracting. In the device, a seal is attached to the outer peripheral surface of the spool portion to slide the inner peripheral surface of the backfilling material injection port, and a seal is attached to the inner peripheral surface of the hole that connects to the backfilling material injection port into which the spool portion is inserted. , the discharge side of the pump connected to the storage tank is connected to the backing material injection line via the supply pipe equipped with an on-off valve, and the discharge pipe equipped with an on-off valve is connected to the cleaning wood pipe line. Characteristic backfilling material injection device.