JPS5892278U - Operation abnormality detection device for hoisting equipment - Google Patents

Operation abnormality detection device for hoisting equipment

Info

Publication number
JPS5892278U
JPS5892278U JP1981184971U JP18497181U JPS5892278U JP S5892278 U JPS5892278 U JP S5892278U JP 1981184971 U JP1981184971 U JP 1981184971U JP 18497181 U JP18497181 U JP 18497181U JP S5892278 U JPS5892278 U JP S5892278U
Authority
JP
Japan
Prior art keywords
abnormality detection
detection device
hoisting equipment
speed
operation abnormality
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
JP1981184971U
Other languages
Japanese (ja)
Inventor
奈良　俊一
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP1981184971U priority Critical patent/JPS5892278U/en
Publication of JPS5892278U publication Critical patent/JPS5892278U/en
Pending legal-status Critical Current

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Landscapes

  • Control Of Direct Current Motors (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]

図面は本考案の一実施例を示すブロック図である。 １・・・速度設定器、２・・・加速制限器、３・・・速
度検出器、４・・・電動機、７・・・シャント、ＨＴ・
・・タイマ、Ａ・・・リレー。The drawing is a block diagram showing an embodiment of the present invention. 1... Speed setting device, 2... Acceleration limiter, 3... Speed detector, 4... Electric motor, 7... Shunt, HT・
...Timer, A...Relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] サイリスタレオナード等により電動機を介して可変駆動
される荷投機械の巻上装置において、速度指令値と前記
電動機の検出された速度とを比較し一定偏差以上である
ことを検出する速度偏差検出器と、前記電動機電流が一
定以上であることを検出する電流検出器とを備え、前記
速度偏差検出器、電流検出器のいずれもが動作したこと
により、巻上装置の運転異常を検知することを特徴とす
る巻上装置の運転異常検出装置。In a hoisting device of a load-throwing machine that is variably driven by a thyristor Leonard or the like via an electric motor, a speed deviation detector that compares a speed command value with the detected speed of the electric motor and detects that the deviation exceeds a certain value; and a current detector that detects that the motor current is above a certain level, and an abnormal operation of the hoisting device is detected when both the speed deviation detector and the current detector operate. An abnormality detection device for the operation of hoisting equipment.
JP1981184971U 1981-12-14 1981-12-14 Operation abnormality detection device for hoisting equipment Pending JPS5892278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981184971U JPS5892278U (en) 1981-12-14 1981-12-14 Operation abnormality detection device for hoisting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981184971U JPS5892278U (en) 1981-12-14 1981-12-14 Operation abnormality detection device for hoisting equipment

Publications (1)

Publication Number Publication Date
JPS5892278U true JPS5892278U (en) 1983-06-22

Family

ID=29985600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981184971U Pending JPS5892278U (en) 1981-12-14 1981-12-14 Operation abnormality detection device for hoisting equipment

Country Status (1)

Country Link
JP (1) JPS5892278U (en)

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