JPS62110391U - - Google Patents

Info

Publication number
JPS62110391U
JPS62110391U JP20280785U JP20280785U JPS62110391U JP S62110391 U JPS62110391 U JP S62110391U JP 20280785 U JP20280785 U JP 20280785U JP 20280785 U JP20280785 U JP 20280785U JP S62110391 U JPS62110391 U JP S62110391U
Authority
JP
Japan
Prior art keywords
oil supply
supply pipes
pressure oil
hydraulic pump
jacks
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
JP20280785U
Other languages
Japanese (ja)
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 JP20280785U priority Critical patent/JPS62110391U/ja
Publication of JPS62110391U publication Critical patent/JPS62110391U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示す回路図、第２図
及び第３図は従来の回路図である。 １……高圧油圧ポンプ、２〜４……推進ジヤツ
キ、８〜１０……主切替弁、１３……戻り管路、
１４〜１６……前進用圧油供給管路、１７〜１９
……後退用圧油供給管路、２８……低圧油圧ポン
プ、３２〜３４……追随送油管路、３５〜３７…
…二方切替弁。 FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIGS. 2 and 3 are conventional circuit diagrams. 1...High pressure hydraulic pump, 2-4...Propulsion jack, 8-10...Main switching valve, 13...Return pipe,
14-16... Advance pressure oil supply pipe, 17-19
...Reverse pressure oil supply pipe line, 28...Low pressure hydraulic pump, 32-34...Following oil supply pipe line, 35-37...
...Two-way switching valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数本の推進ジヤツキ２，３，４の前進用圧油
供給管路１４〜１６と後退用圧油供給管路１７〜
１９とを夫々主切替弁８〜１０を介して高圧油圧
ポンプ１と戻り管路１３に接続すると共に、前記
各ジヤツキ２〜４の前進用圧油供給管路１４〜１
６に夫々二方切替弁３５〜３７を設けた追随送油
管路３２〜３４を介して低圧油圧ポンプ２８に接
続したことを特徴とするシールド掘削機の推進ジ
ヤツキの油圧回路。 Advance pressure oil supply pipes 14 to 16 and retreat pressure oil supply pipes 17 to 16 for the plurality of propulsion jacks 2, 3, and 4.
19 are connected to the high pressure hydraulic pump 1 and the return pipe 13 via the main switching valves 8 to 10, respectively, and the forward pressure oil supply pipes 14 to 1 for each of the jacks 2 to 4 are connected to
A hydraulic circuit for a propulsion jack of a shield excavator, characterized in that the hydraulic circuit for a propulsion jack of a shield excavator is connected to a low pressure hydraulic pump 28 via follow-up oil supply pipes 32 to 34 provided with two-way switching valves 35 to 37, respectively.
JP20280785U 1985-12-27 1985-12-27 Pending JPS62110391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20280785U JPS62110391U (en) 1985-12-27 1985-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20280785U JPS62110391U (en) 1985-12-27 1985-12-27

Publications (1)

Publication Number Publication Date
JPS62110391U true JPS62110391U (en) 1987-07-14

Family

ID=31167535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20280785U Pending JPS62110391U (en) 1985-12-27 1985-12-27

Country Status (1)

Country Link
JP (1) JPS62110391U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011033934A1 (en) * 2009-09-15 2011-03-24 本田技研工業株式会社 Fluid pressure transmission device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740099A (en) * 1980-07-09 1982-03-05 Gewerk Eisenhuette Westfalia Apparatus for controlling terminal moldframe when cast- in-place concrete lining is wrapped in underground structure especially tunnel, drift, level or the like
JPS5933754A (en) * 1982-08-19 1984-02-23 Sanyo Electric Co Ltd Lead-acid battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740099A (en) * 1980-07-09 1982-03-05 Gewerk Eisenhuette Westfalia Apparatus for controlling terminal moldframe when cast- in-place concrete lining is wrapped in underground structure especially tunnel, drift, level or the like
JPS5933754A (en) * 1982-08-19 1984-02-23 Sanyo Electric Co Ltd Lead-acid battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011033934A1 (en) * 2009-09-15 2011-03-24 本田技研工業株式会社 Fluid pressure transmission device

Similar Documents

Publication Publication Date Title
JPS62110391U (en)
JPS63185849U (en)
JPS61125593U (en)
JPS6250301U (en)
JPS6373291U (en)
JPS6172586U (en)
JPS62185906U (en)
JPS6294158U (en)
JPS63198644U (en)
JPH01136592U (en)
JPS6254301U (en)
JPS61189087U (en)
JPH0318260U (en)
JPS612568U (en) Hydraulic pump merging device for earthmoving vehicles
JPS6057938U (en) Lubrication device for reaper
JPS58102807U (en) Simultaneous and individual hydraulic control circuit for multiple hydraulic actuators
JPS6371256U (en)
JPS6184203U (en)
JPS5892501U (en) hydraulic circuit
JPS6154062U (en)
JPH02145304U (en)
JPS61183751U (en)
JPS61178786U (en)
JPH0359502U (en)
JPH0340354U (en)