JPH0435697U - - Google Patents

Info

Publication number
JPH0435697U
JPH0435697U JP7618490U JP7618490U JPH0435697U JP H0435697 U JPH0435697 U JP H0435697U JP 7618490 U JP7618490 U JP 7618490U JP 7618490 U JP7618490 U JP 7618490U JP H0435697 U JPH0435697 U JP H0435697U
Authority
JP
Japan
Prior art keywords
power supply
external power
drive circuit
hydraulic
battery
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
JP7618490U
Other languages
English (en)
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 JP7618490U priority Critical patent/JPH0435697U/ja
Publication of JPH0435697U publication Critical patent/JPH0435697U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Control Of Direct Current Motors (AREA)

Description

【図面の簡単な説明】
第１図は、本考案に係る電動式油圧パワーユニ
ツトの電気回路図、第２図は、上記電動式油圧パ
ワーユニツトを備えた高所作業車の斜視図である
。 ４……旋回モータ、６……起伏シリンダ、７…
…伸縮シリンダ、８ａ……ジヤツキシリンダ、２
０……外部電源駆動回路、３０……バツテリ駆動
回路、４０……充電回路、５０……開通路切換え
回路、１１０……操作信号ライン。

Claims (1)

  1. 【実用新案登録請求の範囲】 油圧アクチユエータに供給する作動油を吐出可
    能な油圧ポンプを駆動する電動モータと、 外部電源から電力を前記電動モータに供給可能
    とした外部電源駆動回路と、 バツテリからの電力を前記電動モータに供給可
    能としたバツテリ駆動回路と、 前記外部電源からの電力により前記バツテリを
    充電可能とした充電回路と、 前記外部電源駆動回路に前記外部電源が接続さ
    れた場合において、前記油圧アクチユエータを作
    動させるときは前記外部電源駆動回路を開通させ
    、前記油圧アクチユエータを非作動とするときは
    前記充電回路を開通させ、前記外部電源駆動回路
    に前記外部電源が接続されない場合において、前
    記油圧アクチユエータを作動させるときは前記バ
    ツテリ駆動回路を開通させる開通路切換え手段と
    からなることを特徴とする電動式油圧パワーユニ
    ツト。
JP7618490U 1990-07-18 1990-07-18 Pending JPH0435697U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7618490U JPH0435697U (ja) 1990-07-18 1990-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7618490U JPH0435697U (ja) 1990-07-18 1990-07-18

Publications (1)

Publication Number Publication Date
JPH0435697U true JPH0435697U (ja) 1992-03-25

Family

ID=31617419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7618490U Pending JPH0435697U (ja) 1990-07-18 1990-07-18

Country Status (1)

Country Link
JP (1) JPH0435697U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741216U (ja) * 1993-12-01 1995-07-21 アルインコ株式会社 ごみ焼却器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018945A (ja) * 1973-06-22 1975-02-27
JPS5326917A (en) * 1976-08-26 1978-03-13 Toshiba Electric Equip Ddc motor driving device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018945A (ja) * 1973-06-22 1975-02-27
JPS5326917A (en) * 1976-08-26 1978-03-13 Toshiba Electric Equip Ddc motor driving device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0741216U (ja) * 1993-12-01 1995-07-21 アルインコ株式会社 ごみ焼却器

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