JPS6073904U - Speed control device for hydraulic cylinder cushion operation - Google Patents

Speed control device for hydraulic cylinder cushion operation

Info

Publication number
JPS6073904U
JPS6073904U JP16569883U JP16569883U JPS6073904U JP S6073904 U JPS6073904 U JP S6073904U JP 16569883 U JP16569883 U JP 16569883U JP 16569883 U JP16569883 U JP 16569883U JP S6073904 U JPS6073904 U JP S6073904U
Authority
JP
Japan
Prior art keywords
pressure
pressure chamber
hydraulic cylinder
main circuit
cushion
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
JP16569883U
Other languages
Japanese (ja)
Other versions
JPH0143522Y2 (en
Inventor
坂井　宏彰
雅一 井上
平川　浩己
Original Assignee
株式会社ナブコ
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 株式会社ナブコ filed Critical 株式会社ナブコ
Priority to JP16569883U priority Critical patent/JPS6073904U/en
Publication of JPS6073904U publication Critical patent/JPS6073904U/en
Application granted granted Critical
Publication of JPH0143522Y2 publication Critical patent/JPH0143522Y2/ja
Granted legal-status Critical Current

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  • Actuator (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

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

第１図は従来のクッション装置を具備する油圧シリンダ
の油圧回路説明図、第２図乃至第３図はこの考案装置の
実施例を示すもので、第２図はピストン停止時の油圧回
路説明図、第３図はピストンが外部負荷と同方向に移動
する場合の油圧回路説明図である。 １・・・油圧シリンダ、４・・・ピストン、６，１２・
・・圧力室、７・・・クッション装置、１０・・・給排
ポート、１１・・・方向切換弁、１３．１４・・・主回
路、１８・・・圧力補償弁、１９・・・逆止弁、２２・
・・圧力発生装置ｌ、２３，２４・・・パイロット回路
。Fig. 1 is an explanatory diagram of the hydraulic circuit of a hydraulic cylinder equipped with a conventional cushion device, Figs. 2 and 3 show an embodiment of this devised device, and Fig. 2 is an explanatory diagram of the hydraulic circuit when the piston is stopped. , FIG. 3 is an explanatory diagram of the hydraulic circuit when the piston moves in the same direction as the external load. 1... Hydraulic cylinder, 4... Piston, 6, 12.
...Pressure chamber, 7...Cushion device, 10...Supply/discharge port, 11...Directional switching valve, 13.14...Main circuit, 18...Pressure compensation valve, 19...Reverse Stop valve, 22・
...Pressure generator l, 23, 24...Pilot circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧シリンダの２つの圧力室の少なくとも一方の圧力室
にクッション装置を備え、このクッション装置が圧力室
の給排ポートとの間に固定絞りを形成する構成とし、前
記２つの圧力室の各々の給排ポートに主回路を介して方
向切換弁を接続し、前記クッション装置を備えた圧力室
に接続する主回路に圧力発生装置を設けると共に他の主
回路との間に圧力補償弁を設け、該圧力補償弁が具備す
る圧力室を前記クッション装置を備えた圧力室に接続す
ると共に、該圧力補償弁のばね室を前記圧力発生装置の
上流側に接続した油圧シリンダのクッション作動時の速
度制御装置。A cushion device is provided in at least one of the two pressure chambers of the hydraulic cylinder, and the cushion device forms a fixed throttle between the pressure chamber and the supply/discharge port of the pressure chamber, and the cushion device forms a fixed throttle between the supply and discharge ports of the pressure chamber. A directional control valve is connected to the exhaust port via a main circuit, a pressure generating device is provided in the main circuit connected to the pressure chamber provided with the cushion device, and a pressure compensating valve is provided between the main circuit and the other main circuit. A speed control device during cushion operation of a hydraulic cylinder, which connects a pressure chamber provided with a pressure compensation valve to a pressure chamber provided with the cushion device, and connects a spring chamber of the pressure compensation valve to an upstream side of the pressure generation device. .
JP16569883U 1983-10-25 1983-10-25 Speed control device for hydraulic cylinder cushion operation Granted JPS6073904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16569883U JPS6073904U (en) 1983-10-25 1983-10-25 Speed control device for hydraulic cylinder cushion operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16569883U JPS6073904U (en) 1983-10-25 1983-10-25 Speed control device for hydraulic cylinder cushion operation

Publications (2)

Publication Number Publication Date
JPS6073904U true JPS6073904U (en) 1985-05-24
JPH0143522Y2 JPH0143522Y2 (en) 1989-12-18

Family

ID=30362950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16569883U Granted JPS6073904U (en) 1983-10-25 1983-10-25 Speed control device for hydraulic cylinder cushion operation

Country Status (1)

Country Link
JP (1) JPS6073904U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012087906A (en) * 2010-10-21 2012-05-10 Nohmi Bosai Ltd Shut-off valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012087906A (en) * 2010-10-21 2012-05-10 Nohmi Bosai Ltd Shut-off valve

Also Published As

Publication number Publication date
JPH0143522Y2 (en) 1989-12-18

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