JPH0446186U - - Google Patents

Info

Publication number
JPH0446186U
JPH0446186U JP8785590U JP8785590U JPH0446186U JP H0446186 U JPH0446186 U JP H0446186U JP 8785590 U JP8785590 U JP 8785590U JP 8785590 U JP8785590 U JP 8785590U JP H0446186 U JPH0446186 U JP H0446186U
Authority
JP
Japan
Prior art keywords
switching valve
directional switching
piping
hydraulic
oil pump
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.)
Pending
Application number
JP8785590U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8785590U priority Critical patent/JPH0446186U/ja
Publication of JPH0446186U publication Critical patent/JPH0446186U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係わるシールド掘削機の一実
施例を示す油圧回路図、第2図は従来のシールド
掘削機を示す縦断側面図、第3,4図は同シール
ド掘削機の油圧回路図である。 4……エレクタ旋回油圧モータ、5a〜5d…
…シールドジヤツキ、6……オイルポンプ、7a
,7c……油圧配管、8……流量調整弁、17,
18……方向制御弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. オイルポンプからシールド掘削機内にあるシー
    ルドジヤツキ及びエレクタ旋回油圧モータに延び
    た油圧配管の途中に方向切換弁を設け、同方向切
    換弁と上記オイルポンプとの間の油圧配管からタ
    ンクに延びた油圧配管に方向切換弁と流量調整弁
    とを設けたことを特徴とするシールド掘削機。
JP8785590U 1990-08-24 1990-08-24 Pending JPH0446186U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8785590U JPH0446186U (ja) 1990-08-24 1990-08-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8785590U JPH0446186U (ja) 1990-08-24 1990-08-24

Publications (1)

Publication Number Publication Date
JPH0446186U true JPH0446186U (ja) 1992-04-20

Family

ID=31820572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8785590U Pending JPH0446186U (ja) 1990-08-24 1990-08-24

Country Status (1)

Country Link
JP (1) JPH0446186U (ja)

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