JPS6188070U - - Google Patents

Info

Publication number
JPS6188070U
JPS6188070U JP17377884U JP17377884U JPS6188070U JP S6188070 U JPS6188070 U JP S6188070U JP 17377884 U JP17377884 U JP 17377884U JP 17377884 U JP17377884 U JP 17377884U JP S6188070 U JPS6188070 U JP S6188070U
Authority
JP
Japan
Prior art keywords
hydraulic
flow path
flow
hydraulic oil
reciprocating 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.)
Granted
Application number
JP17377884U
Other languages
English (en)
Other versions
JPH0232871Y2 (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 JP1984173778U priority Critical patent/JPH0232871Y2/ja
Publication of JPS6188070U publication Critical patent/JPS6188070U/ja
Application granted granted Critical
Publication of JPH0232871Y2 publication Critical patent/JPH0232871Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Reciprocating Pumps (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す回路図、第2図
はコンクリートポンプの原理図である。 1,2は油圧シリンダ、3〜6は油圧室、7は
密封流路、11,12は油圧ピストン、13,1
4,19,20は流路、15,16はストツプ弁
、17,18,21,22はチエツク弁を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複列に配した油圧シリンダの一方の同側油圧室
    相互間を密封流路により連絡し他方の同側油圧室
    に作動油を出し入れして油圧ピストンを交互に往
    復動させる往復動ポンプにおいて、油圧ピストン
    が伸長側ストロークエンドに近づいたときヘツド
    側油圧室をロツド側油圧室に連通する流路を設け
    、該流路に、ストツプ弁と、ヘツド側からロツド
    側への作動油の流れは許すがその反対方向の作動
    油の流れに阻止するチエツク弁を設けたことを特
    徴とする往復動ポンプの油圧回路。
JP1984173778U 1984-11-16 1984-11-16 Expired JPH0232871Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984173778U JPH0232871Y2 (ja) 1984-11-16 1984-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984173778U JPH0232871Y2 (ja) 1984-11-16 1984-11-16

Publications (2)

Publication Number Publication Date
JPS6188070U true JPS6188070U (ja) 1986-06-09
JPH0232871Y2 JPH0232871Y2 (ja) 1990-09-05

Family

ID=30731419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984173778U Expired JPH0232871Y2 (ja) 1984-11-16 1984-11-16

Country Status (1)

Country Link
JP (1) JPH0232871Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410724A (zh) * 2013-07-03 2013-11-27 北汽福田汽车股份有限公司 一种双缸泵送装置和混凝土泵车

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838671A (ja) * 1971-09-18 1973-06-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838671A (ja) * 1971-09-18 1973-06-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410724A (zh) * 2013-07-03 2013-11-27 北汽福田汽车股份有限公司 一种双缸泵送装置和混凝土泵车

Also Published As

Publication number Publication date
JPH0232871Y2 (ja) 1990-09-05

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