JPS6324402U - - Google Patents

Info

Publication number
JPS6324402U
JPS6324402U JP11669886U JP11669886U JPS6324402U JP S6324402 U JPS6324402 U JP S6324402U JP 11669886 U JP11669886 U JP 11669886U JP 11669886 U JP11669886 U JP 11669886U JP S6324402 U JPS6324402 U JP S6324402U
Authority
JP
Japan
Prior art keywords
side chamber
control mechanism
actuator
load
load side
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
JP11669886U
Other languages
English (en)
Other versions
JPH0452481Y2 (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 JP11669886U priority Critical patent/JPH0452481Y2/ja
Publication of JPS6324402U publication Critical patent/JPS6324402U/ja
Application granted granted Critical
Publication of JPH0452481Y2 publication Critical patent/JPH0452481Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Control And Safety Of Cranes (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す回路図、第2
図は従来例の回路図、第3図はパワーシヨベルの
側視図である。 A:制御機構、1:可変容量ポンプ、2:切換
弁、4:アクチユエータ、4a:負荷側室、4b
:非負荷側室、18:エネルギー再生弁、19:
減圧信号弁、50:吐出配管、52,52a,5
3:油圧配管。

Claims (1)

    【実用新案登録請求の範囲】
  1. 制御機構で容量制御される可変容量ポンプの吐
    出管路に、前記制御機構で切換え制御される切換
    弁を介して加重が負荷されるアクチユエータの油
    圧管路を連結した建設機械の油圧回路において、
    前記アクチユエータの負荷側室に連結された前記
    油圧管路に、前記負荷側室の圧油排出時に前記制
    御機構で切換え制御され同負荷側室の排出圧油を
    分流し前記吐出管路と前記アクチユエータの非負
    荷側室の前記油圧管路に合流させるエネルギー再
    生弁を設け、前記可変容量ポンプと前記制御機構
    間に容量低減用の減圧信号弁を設けたことを特徴
    とする建設機械のエネルギー再生機構付き油圧回
    路。
JP11669886U 1986-07-31 1986-07-31 Expired JPH0452481Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11669886U JPH0452481Y2 (ja) 1986-07-31 1986-07-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11669886U JPH0452481Y2 (ja) 1986-07-31 1986-07-31

Publications (2)

Publication Number Publication Date
JPS6324402U true JPS6324402U (ja) 1988-02-18
JPH0452481Y2 JPH0452481Y2 (ja) 1992-12-10

Family

ID=31001534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11669886U Expired JPH0452481Y2 (ja) 1986-07-31 1986-07-31

Country Status (1)

Country Link
JP (1) JPH0452481Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016194415A1 (ja) * 2015-06-02 2016-12-08 日立建機株式会社 作業機械の圧油エネルギ再生装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016194415A1 (ja) * 2015-06-02 2016-12-08 日立建機株式会社 作業機械の圧油エネルギ再生装置
EP3306114A4 (en) * 2015-06-02 2019-01-16 Hitachi Construction Machinery Co., Ltd. DEVICE FOR THE RE-USE OF HYDRAULIC ENERGY OF CONSTRUCTION EQUIPMENT
US10280594B2 (en) 2015-06-02 2019-05-07 Hitachi Construction Machinery Co., Ltd. Hydraulic energy regeneration system for work machine

Also Published As

Publication number Publication date
JPH0452481Y2 (ja) 1992-12-10

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