JPS58144081U - Concrete pump hydraulic cylinder stroke automatic adjustment device - Google Patents

Concrete pump hydraulic cylinder stroke automatic adjustment device

Info

Publication number
JPS58144081U
JPS58144081U JP4147382U JP4147382U JPS58144081U JP S58144081 U JPS58144081 U JP S58144081U JP 4147382 U JP4147382 U JP 4147382U JP 4147382 U JP4147382 U JP 4147382U JP S58144081 U JPS58144081 U JP S58144081U
Authority
JP
Japan
Prior art keywords
concrete pump
hydraulic cylinder
adjustment device
cylinder stroke
automatic adjustment
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
JP4147382U
Other languages
Japanese (ja)
Inventor
大村　高慶
Original Assignee
石川島播磨重工業株式会社
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 by 石川島播磨重工業株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP4147382U priority Critical patent/JPS58144081U/en
Publication of JPS58144081U publication Critical patent/JPS58144081U/en
Pending legal-status Critical Current

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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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来方式の一例を示す説明図、第２図は従来の
他の方式を示す説明図、第３図は本考案の一実施例を示
す説明図、第４図は第３図の変更例を示す説明図である
。 １．２は油圧シリンダ、３は切換弁、４は油圧源、５．
　５’は油タンク、６は密閉流路、７はチェック弁、８
．９は油圧ピストンを示す。Fig. 1 is an explanatory diagram showing an example of a conventional method, Fig. 2 is an explanatory diagram showing another conventional method, Fig. 3 is an explanatory diagram showing an embodiment of the present invention, and Fig. 4 is an explanatory diagram showing an example of the conventional method. It is an explanatory view showing a modification example. 1.2 is a hydraulic cylinder, 3 is a switching valve, 4 is a hydraulic power source, 5.
5' is an oil tank, 6 is a sealed channel, 7 is a check valve, 8
．． 9 indicates a hydraulic piston.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コンクリートポンプの油圧シリンダの端部間を密閉流路
にて接続し、該密閉原図路を、該密閉流路側への油の流
入を許し且つ密閉流路側からの油の流出を阻止するチェ
ック弁を介して油タンクに接続したことを特徴とするコ
ンクリートポンプの油圧シリンダストローク自動調整装
置。The ends of the hydraulic cylinders of the concrete pump are connected by a sealed passage, and the sealed original passage is provided with a check valve that allows oil to flow into the sealed passage and prevents oil from flowing out from the sealed passage. An automatic hydraulic cylinder stroke adjustment device for a concrete pump, characterized in that it is connected to an oil tank through an oil tank.
JP4147382U 1982-03-24 1982-03-24 Concrete pump hydraulic cylinder stroke automatic adjustment device Pending JPS58144081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4147382U JPS58144081U (en) 1982-03-24 1982-03-24 Concrete pump hydraulic cylinder stroke automatic adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4147382U JPS58144081U (en) 1982-03-24 1982-03-24 Concrete pump hydraulic cylinder stroke automatic adjustment device

Publications (1)

Publication Number Publication Date
JPS58144081U true JPS58144081U (en) 1983-09-28

Family

ID=30052656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4147382U Pending JPS58144081U (en) 1982-03-24 1982-03-24 Concrete pump hydraulic cylinder stroke automatic adjustment device

Country Status (1)

Country Link
JP (1) JPS58144081U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0454982U (en) * 1990-09-14 1992-05-12

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735175A (en) * 1980-08-06 1982-02-25 Niigata Eng Co Ltd Automatic adjustment unit for amount of closing oil for concrete pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735175A (en) * 1980-08-06 1982-02-25 Niigata Eng Co Ltd Automatic adjustment unit for amount of closing oil for concrete pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0454982U (en) * 1990-09-14 1992-05-12

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