JPH0385397U - - Google Patents

Info

Publication number
JPH0385397U
JPH0385397U JP14685589U JP14685589U JPH0385397U JP H0385397 U JPH0385397 U JP H0385397U JP 14685589 U JP14685589 U JP 14685589U JP 14685589 U JP14685589 U JP 14685589U JP H0385397 U JPH0385397 U JP H0385397U
Authority
JP
Japan
Prior art keywords
inspection
prevention device
overload prevention
boom
load cell
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
JP14685589U
Other languages
English (en)
Other versions
JPH0721503Y2 (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 JP14685589U priority Critical patent/JPH0721503Y2/ja
Publication of JPH0385397U publication Critical patent/JPH0385397U/ja
Application granted granted Critical
Publication of JPH0721503Y2 publication Critical patent/JPH0721503Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

【図面の簡単な説明】
第1図は、本考案に係る点検ユニツトを備えた
過負荷防止装置の概略図、第2図は、上記過負荷
防止装置を備えた高所作業車の斜視図である。 5…ブーム、6…起伏シリンダ、14…ロード
セル、21…切換スイツチ、22…抵抗器。

Claims (1)

  1. 【実用新案登録請求の範囲】 起伏シリンダの伸縮作動による起伏等が自在な
    ブームを備えた作業装置において、この作業装置
    の過負荷作動を防止すべく前記ブームの作動を規
    制する過負荷防止装置であつて、 前記起伏シリンダに作用する軸力を検出するロ
    ードセルと、 前記過負荷防止装置を点検用作動状態に切換え
    る点検スイツチと、 前記点検スイツチがオンされたときに、前記ロ
    ードセルからの検出信号を増幅させる増幅手段と
    からなる点検機構を有することを特徴とする点検
    機構付過負荷防止装置。
JP14685589U 1989-12-20 1989-12-20 点検機構付過負荷防止装置 Expired - Lifetime JPH0721503Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14685589U JPH0721503Y2 (ja) 1989-12-20 1989-12-20 点検機構付過負荷防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14685589U JPH0721503Y2 (ja) 1989-12-20 1989-12-20 点検機構付過負荷防止装置

Publications (2)

Publication Number Publication Date
JPH0385397U true JPH0385397U (ja) 1991-08-29
JPH0721503Y2 JPH0721503Y2 (ja) 1995-05-17

Family

ID=31693397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14685589U Expired - Lifetime JPH0721503Y2 (ja) 1989-12-20 1989-12-20 点検機構付過負荷防止装置

Country Status (1)

Country Link
JP (1) JPH0721503Y2 (ja)

Also Published As

Publication number Publication date
JPH0721503Y2 (ja) 1995-05-17

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