JPS6047792U - Overwinding prevention device for hook hanging wire in crane - Google Patents

Overwinding prevention device for hook hanging wire in crane

Info

Publication number
JPS6047792U
JPS6047792U JP13896183U JP13896183U JPS6047792U JP S6047792 U JPS6047792 U JP S6047792U JP 13896183 U JP13896183 U JP 13896183U JP 13896183 U JP13896183 U JP 13896183U JP S6047792 U JPS6047792 U JP S6047792U
Authority
JP
Japan
Prior art keywords
crane
boom
hook
extended
hanging wire
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
JP13896183U
Other languages
Japanese (ja)
Other versions
JPH0242707Y2 (en
Inventor
晋 中村
達之 村松
Original Assignee
古河鉱業株式会社
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 古河鉱業株式会社 filed Critical 古河鉱業株式会社
Priority to JP13896183U priority Critical patent/JPS6047792U/en
Publication of JPS6047792U publication Critical patent/JPS6047792U/en
Application granted granted Critical
Publication of JPH0242707Y2 publication Critical patent/JPH0242707Y2/ja
Granted legal-status Critical Current

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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図はクレーンの全体構成図、第２図はクレーンの油
圧回路図である。 １・・・・・・クレーン、２・・・・・・ブーム、３・
・・・・・油圧シリンダ、４・・・・・・油圧モータ、
６・・晶・フック、７・・・・・・リミットスイッチ、
１４，１５・・・・・・リリーフ弁、１６・・・・・・
電磁弁。FIG. 1 is an overall configuration diagram of the crane, and FIG. 2 is a hydraulic circuit diagram of the crane. 1...Crane, 2...Boom, 3.
...Hydraulic cylinder, 4...Hydraulic motor,
6... Akira hook, 7... limit switch,
14, 15... Relief valve, 16...
solenoid valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダにより伸縮されるブーム先端からワイヤロープ
を介してフックを吊下し、ワイヤロープをつ゛インチに
より巻上げ又はブームを伸長させた際に前記ブーム先端
とフックとの距離が短かくなるよう構成されるクレーン
において、前記距離が所定の長さより短かくなった際に
信号を発する手段と、ウィンチ巻上時におけるウィンチ
用油圧モータの戻り側油路中に設けたストップ弁１５と
、ブーム伸長時におけるシリンダへの給油側油路中に設
けたストップ弁１４とを具え、前記信号により前記スト
ップ弁１４．１５が同時に作動するよう構成してなるク
レーンにおけるフック吊下ワイヤの看過防止装置。A hook is suspended via a wire rope from the tip of the boom that is extended and retracted by a cylinder, and the distance between the boom tip and the hook is shortened when the wire rope is hoisted by an inch or the boom is extended. In the crane, a means for emitting a signal when the distance becomes shorter than a predetermined length, a stop valve 15 provided in the return oil path of the winch hydraulic motor when hoisting the winch, and a cylinder when the boom is extended. A device for preventing oversight of a hook hanging wire in a crane, comprising a stop valve 14 provided in an oil supply side oil passage to a crane, and configured such that the stop valves 14 and 15 are simultaneously operated in response to the signal.
JP13896183U 1983-09-07 1983-09-07 Overwinding prevention device for hook hanging wire in crane Granted JPS6047792U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13896183U JPS6047792U (en) 1983-09-07 1983-09-07 Overwinding prevention device for hook hanging wire in crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13896183U JPS6047792U (en) 1983-09-07 1983-09-07 Overwinding prevention device for hook hanging wire in crane

Publications (2)

Publication Number Publication Date
JPS6047792U true JPS6047792U (en) 1985-04-04
JPH0242707Y2 JPH0242707Y2 (en) 1990-11-14

Family

ID=30311621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13896183U Granted JPS6047792U (en) 1983-09-07 1983-09-07 Overwinding prevention device for hook hanging wire in crane

Country Status (1)

Country Link
JP (1) JPS6047792U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148767U (en) * 1974-05-24 1975-12-10
JPS5240519U (en) * 1975-09-17 1977-03-23
JPS56165784U (en) * 1980-05-09 1981-12-08

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148767U (en) * 1974-05-24 1975-12-10
JPS5240519U (en) * 1975-09-17 1977-03-23
JPS56165784U (en) * 1980-05-09 1981-12-08

Also Published As

Publication number Publication date
JPH0242707Y2 (en) 1990-11-14

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