JPS59116497U - Discharge valve structure of injection material supply device in shield excavator - Google Patents
Discharge valve structure of injection material supply device in shield excavatorInfo
- Publication number
- JPS59116497U JPS59116497U JP998483U JP998483U JPS59116497U JP S59116497 U JPS59116497 U JP S59116497U JP 998483 U JP998483 U JP 998483U JP 998483 U JP998483 U JP 998483U JP S59116497 U JPS59116497 U JP S59116497U
- Authority
- JP
- Japan
- Prior art keywords
- injection material
- valve
- supply device
- discharge valve
- material supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Fluid-Pressure Circuits (AREA)
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
第１図乃至第４図は従来の注入供給装置の吐出弁の側断
面図をそれぞれ示すもので、第１図は吐出弁の閉じられ
ている状態を、第２図は開かれている状態を示し、第３
図は同吐出弁に土砂が噛み込まれた状態を、また第４図
は土砂が詰った状態を示している。第５図は本考案に係
る吐出弁が装着されたシールド掘進機の正面図、第６図
は同掘進機の側断面図、第７図は第５図の吐出弁の閉弁
状態を示す拡大縦断面図、第８図は同吐出弁の開弁状態
を示す縦断面図、第９図は、注入材および作動油圧の供
給系の回路図である。
図中、１０はシールドフレーム、１１はカッタフレーム
、１３はカッタ面板、１７は吐出弁、２１は弁ケーシン
グ、２２は注入材吐出口、２３は弁体、２４は作動油室
、２９．３０は作動油給排管、３２は注入材供給管、３
６は回転継手、３７は注入材吐出ポンプ、４０は注入材
吐出ポンプユニット、４１は作動油送給ポンプ、４４は
電磁切換弁、４５は弁体作動用ポンプユニット、４６は
吐出圧力検出器、Ｆは切羽である。Figures 1 to 4 are side sectional views of the discharge valve of a conventional injection and supply device, respectively. Figure 1 shows the discharge valve in a closed state, and Figure 2 shows it in an open state. 3rd
The figure shows a state in which the discharge valve is filled with dirt, and FIG. 4 shows a state in which the discharge valve is clogged with dirt. Figure 5 is a front view of a shield tunneling machine equipped with the discharge valve according to the present invention, Figure 6 is a side sectional view of the same machine, and Figure 7 is an enlarged view of the discharge valve in Figure 5 showing the closed state. FIG. 8 is a longitudinal sectional view showing the discharge valve in an open state, and FIG. 9 is a circuit diagram of a supply system for injection material and hydraulic pressure. In the figure, 10 is a shield frame, 11 is a cutter frame, 13 is a cutter face plate, 17 is a discharge valve, 21 is a valve casing, 22 is an injection material discharge port, 23 is a valve body, 24 is a hydraulic oil chamber, 29.30 is a Hydraulic oil supply and discharge pipe, 32 is injection material supply pipe, 3
6 is a rotary joint, 37 is an injection material delivery pump, 40 is an injection material delivery pump unit, 41 is a hydraulic oil supply pump, 44 is an electromagnetic switching valve, 45 is a pump unit for valve body operation, 46 is a delivery pressure detector, F is the face.
Claims (1)
入するための注入材供給装置の注入材吐出口を開閉する
吐出弁にセいて、上記切羽側に臨、ませて開口されたシ
リンダ状の弁のケーシングと、該弁ケーシングの先端開
口部側の側壁に形成された注入材吐出口と、上記弁ケー
シング内に摺動自在に嵌装され上記注入材吐出口を開閉
すると共に弁ケーシング内に流入する土砂を掃出すべく
往復駆動されるピストン状の弁体とを備えたことを特徴
とするシールド掘進機における注入材供給装置の吐出弁
構造。A cylindrical valve that opens and opens toward the face side of the discharge valve that opens and closes the injection material discharge port of the injection material supply device for injecting the injection material into the face from the cutter face plate, etc. of the shield tunneling machine. a casing, an injection material discharge port formed on the side wall of the valve casing on the distal opening side, and an injection material discharge port that is slidably fitted into the valve casing and opens and closes the injection material discharge port and flows into the valve casing. 1. A discharge valve structure for an injection material supply device in a shield excavator, comprising a piston-shaped valve body that is reciprocated to sweep out soil and sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP998483U JPS59116497U (en) | 1983-01-28 | 1983-01-28 | Discharge valve structure of injection material supply device in shield excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP998483U JPS59116497U (en) | 1983-01-28 | 1983-01-28 | Discharge valve structure of injection material supply device in shield excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59116497U true JPS59116497U (en) | 1984-08-06 |
| JPH036712Y2 JPH036712Y2 (en) | 1991-02-20 |
Family
ID=30141431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP998483U Granted JPS59116497U (en) | 1983-01-28 | 1983-01-28 | Discharge valve structure of injection material supply device in shield excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59116497U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876691U (en) * | 1981-11-16 | 1983-05-24 | フジタ工業株式会社 | Sludge injection pipe of shield tunneling machine |
-
1983
- 1983-01-28 JP JP998483U patent/JPS59116497U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876691U (en) * | 1981-11-16 | 1983-05-24 | フジタ工業株式会社 | Sludge injection pipe of shield tunneling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH036712Y2 (en) | 1991-02-20 |
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