JPS6032460U - Hydraulic circuit device for hydraulic construction machinery - Google Patents

Hydraulic circuit device for hydraulic construction machinery

Info

Publication number
JPS6032460U
JPS6032460U JP12077483U JP12077483U JPS6032460U JP S6032460 U JPS6032460 U JP S6032460U JP 12077483 U JP12077483 U JP 12077483U JP 12077483 U JP12077483 U JP 12077483U JP S6032460 U JPS6032460 U JP S6032460U
Authority
JP
Japan
Prior art keywords
hydraulic
pressure accumulator
circuit device
cylinder
construction machinery
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
JP12077483U
Other languages
Japanese (ja)
Other versions
JPH0352269Y2 (en
Inventor
悟 西村
健蔵 木元
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP12077483U priority Critical patent/JPS6032460U/en
Publication of JPS6032460U publication Critical patent/JPS6032460U/en
Application granted granted Critical
Publication of JPH0352269Y2 publication Critical patent/JPH0352269Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (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 drawings]

第１図は従来の液圧式建設機械の液圧回路装置の構成説
明図１、第２図は本考案−実施例の構成説明図、第３図
は同説明図である。 １７はブームシリンダ、１８は蓄圧器、１９はキャンセ
ルシリンダ、２０はリリーフ弁、２２はチェック弁。FIG. 1 is an explanatory diagram of the configuration of a conventional hydraulic circuit device for a hydraulic construction machine, FIG. 2 is an explanatory diagram of the configuration of an embodiment of the present invention, and FIG. 3 is an explanatory diagram of the same. 17 is a boom cylinder, 18 is a pressure accumulator, 19 is a cancel cylinder, 20 is a relief valve, and 22 is a check valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブームシリンダ１７により上下動する作業機を有する建
設機械にブームシリンダ１７と並設して用いられ、作業
機の下降による位置エネルギを蓄圧器１８に蓄積するよ
うにしたものにおいて、蓄圧器１８にピストン型の蓄圧
器を用い、ブームシリンダ１７のヘッド側をストップ弁
２１を介して蓄圧器１８に接続し、キャンセルシリンダ
１９のヘッド側を蓄圧器１８に接続し、キャンセルシリ
ンダ１９のロンド側を、並列にしたリリーフ弁２０とチ
ェック弁２２を介して蓄圧器１８に接続すると共にキャ
ンセルシリンダ１９のロンド側をもと力管路を介してタ
ンク２３に接続したことを特徴とする液圧式建設機械の
液圧回路装置。This construction machine is installed in parallel with the boom cylinder 17 in a construction machine having a working machine that moves up and down by the boom cylinder 17, and the potential energy caused by the lowering of the working machine is stored in the pressure accumulator 18. Using a type pressure accumulator, the head side of the boom cylinder 17 is connected to the pressure accumulator 18 via the stop valve 21, the head side of the cancel cylinder 19 is connected to the pressure accumulator 18, and the rond side of the cancel cylinder 19 is connected in parallel. The hydraulic construction machine is connected to a pressure accumulator 18 through a relief valve 20 and a check valve 22, and is connected to a tank 23 via a force pipe at the rond side of a cancel cylinder 19. Pressure circuit device.
JP12077483U 1983-08-04 1983-08-04 Hydraulic circuit device for hydraulic construction machinery Granted JPS6032460U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12077483U JPS6032460U (en) 1983-08-04 1983-08-04 Hydraulic circuit device for hydraulic construction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12077483U JPS6032460U (en) 1983-08-04 1983-08-04 Hydraulic circuit device for hydraulic construction machinery

Publications (2)

Publication Number Publication Date
JPS6032460U true JPS6032460U (en) 1985-03-05
JPH0352269Y2 JPH0352269Y2 (en) 1991-11-12

Family

ID=30276665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12077483U Granted JPS6032460U (en) 1983-08-04 1983-08-04 Hydraulic circuit device for hydraulic construction machinery

Country Status (1)

Country Link
JP (1) JPS6032460U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541420A (en) * 1977-06-06 1979-01-08 Sugimura Kazuo Nonnopen method of withdrawing leaked oil form gas chamber of piston accumulator
JPS5756844U (en) * 1980-09-16 1982-04-03

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127910A (en) * 1979-03-27 1980-10-03 Iseki Agricult Mach Riding type rice transplanter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541420A (en) * 1977-06-06 1979-01-08 Sugimura Kazuo Nonnopen method of withdrawing leaked oil form gas chamber of piston accumulator
JPS5756844U (en) * 1980-09-16 1982-04-03

Also Published As

Publication number Publication date
JPH0352269Y2 (en) 1991-11-12

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