JPS58106394U - Electric hoist with overload protection device - Google Patents

Electric hoist with overload protection device

Info

Publication number
JPS58106394U
JPS58106394U JP339482U JP339482U JPS58106394U JP S58106394 U JPS58106394 U JP S58106394U JP 339482 U JP339482 U JP 339482U JP 339482 U JP339482 U JP 339482U JP S58106394 U JPS58106394 U JP S58106394U
Authority
JP
Japan
Prior art keywords
relay
electric hoist
switch
protection device
overload protection
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
JP339482U
Other languages
Japanese (ja)
Inventor
仁志 久保
Original Assignee
株式会社二葉製作所
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 株式会社二葉製作所 filed Critical 株式会社二葉製作所
Priority to JP339482U priority Critical patent/JPS58106394U/en
Publication of JPS58106394U publication Critical patent/JPS58106394U/en
Pending legal-status Critical Current

Links

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 the drawing]

第１図は本考案の一実施例の正面図、第２図は同上の要
部の回路図、第３図は第２図の過電流リレ一部のブロッ
ク線図である。 図中、１・・・・・・過電流リレー、２・・・・・・誘
導電動機の一相の途中線、３・・・・・・リセット用の
分岐線、６・・・・・・リセット用の分岐線、１３・・
・・・・電動式巻上機、１４・・・・・・上フック、１
５・・・・・・下フック、１６・・・制御面、１７・・
・・・・負荷、１８・・・・・・スイッチユニット、１
９・・・・・・警報器、Ｓｌ・・・遮断スイッチ部、＄
２・・・・・・警報スイッチ部、ＰＢｌ・・・・・・巻
上用スイッチ、ＰＢ２・・・・・・巻下用スイッチ、Ｘ
ｌ・・・・・・巻上用電磁開閉器、ｘ２・・・・・・巻
下用電磁開閉器、ＬＳＩ・・・・・・　　、巻上用リミ
ットスイッチ、ＬＳ２・・・・・・巻下用リミットスイ
ッチ。FIG. 1 is a front view of an embodiment of the present invention, FIG. 2 is a circuit diagram of the main parts of the same, and FIG. 3 is a block diagram of a part of the overcurrent relay shown in FIG. In the figure, 1... Overcurrent relay, 2... Midway line of one phase of induction motor, 3... Branch line for reset, 6... Branch line for reset, 13...
...Electric hoist, 14...Top hook, 1
5... Lower hook, 16... Control surface, 17...
...Load, 18...Switch unit, 1
9... Alarm, Sl... Cutoff switch section, $
2... Alarm switch section, PBl... Switch for hoisting, PB2... Switch for lowering, X
l... Electromagnetic switch for hoisting, x2... Electromagnetic switch for lower hoisting, LSI..., Limit switch for hoisting, LS2... Vol. Lower limit switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 、　　　電動式巻上機の電動機回路に過電流によって自
己保持的にセットされる過電流リレーを介装すると共に
、過電流によって動作する警報回路を設け、巻上用スイ
ッチＦＢＩの回路中に同リレーの遮断スイッチ蔀Ｓ１を
介在させ、且つ巻下用スイッチＰＢ２の回路の一部を同
リレーのリセット端子に結線して降下用スイッチＰＢ２
が閉じたときのみ同リレーをリセットさせるようにして
成る過負荷対策装置付電動式巻上機。, An overcurrent relay that is set in a self-holding manner by overcurrent is installed in the motor circuit of the electric hoist, and an alarm circuit that is activated by overcurrent is installed, and the relay is installed in the circuit of the hoisting switch FBI. The lowering switch PB2 is connected to the lowering switch PB2 by interposing the cutoff switch S1 and connecting a part of the circuit of the lowering switch PB2 to the reset terminal of the same relay.
An electric hoist with an overload protection device that resets the relay only when the relay is closed.
JP339482U 1982-01-14 1982-01-14 Electric hoist with overload protection device Pending JPS58106394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP339482U JPS58106394U (en) 1982-01-14 1982-01-14 Electric hoist with overload protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP339482U JPS58106394U (en) 1982-01-14 1982-01-14 Electric hoist with overload protection device

Publications (1)

Publication Number Publication Date
JPS58106394U true JPS58106394U (en) 1983-07-20

Family

ID=30016335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP339482U Pending JPS58106394U (en) 1982-01-14 1982-01-14 Electric hoist with overload protection device

Country Status (1)

Country Link
JP (1) JPS58106394U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019003469A1 (en) * 2017-06-30 2019-01-03 株式会社日立産機システム Hoisting machine and overload detection method for hoisting machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134179A (en) * 1974-06-24 1976-03-23 Degussa
JPS5417944A (en) * 1977-07-12 1979-02-09 Nissan Motor Co Ltd Article to be coated in electrodeposit coating
JPS5638515A (en) * 1979-09-07 1981-04-13 Honda Motor Co Ltd Exhaust system of multicylinder engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134179A (en) * 1974-06-24 1976-03-23 Degussa
JPS5417944A (en) * 1977-07-12 1979-02-09 Nissan Motor Co Ltd Article to be coated in electrodeposit coating
JPS5638515A (en) * 1979-09-07 1981-04-13 Honda Motor Co Ltd Exhaust system of multicylinder engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019003469A1 (en) * 2017-06-30 2019-01-03 株式会社日立産機システム Hoisting machine and overload detection method for hoisting machine
JP2019011165A (en) * 2017-06-30 2019-01-24 株式会社日立産機システム Hoist and hoist overload detection method
CN110546102A (en) * 2017-06-30 2019-12-06 株式会社日立产机系统 Crane and overload detection method for crane

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