JPS60114184U - Control release device for construction machinery, etc. - Google Patents

Control release device for construction machinery, etc.

Info

Publication number
JPS60114184U
JPS60114184U JP20473883U JP20473883U JPS60114184U JP S60114184 U JPS60114184 U JP S60114184U JP 20473883 U JP20473883 U JP 20473883U JP 20473883 U JP20473883 U JP 20473883U JP S60114184 U JPS60114184 U JP S60114184U
Authority
JP
Japan
Prior art keywords
release device
construction machinery
control release
operating valve
hydraulic cylinder
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
JP20473883U
Other languages
Japanese (ja)
Other versions
JPS6323420Y2 (en
Inventor
北舘　善彦
Original Assignee
石川島播磨重工業株式会社
石川島建機株式会社
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 石川島播磨重工業株式会社, 石川島建機株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP20473883U priority Critical patent/JPS60114184U/en
Publication of JPS60114184U publication Critical patent/JPS60114184U/en
Application granted granted Critical
Publication of JPS6323420Y2 publication Critical patent/JPS6323420Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (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]

第１図は本考案の実施例の説明図、第２図、第３図は同
作動説明図である。′ １は操作弁、２は操作レバー、３はエアシリンダ、８は
スフ−ヒレ、１１は電磁弁、１２はエアタンクを示す。FIG. 1 is an explanatory diagram of an embodiment of the present invention, and FIGS. 2 and 3 are explanatory diagrams of the same operation. 1 is an operating valve, 2 is an operating lever, 3 is an air cylinder, 8 is a puffer fin, 11 is a solenoid valve, and 12 is an air tank.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 操作し）く−と操作弁とに操作弁のスプールと一体に動
く流体圧シリンダを連結し、作業位置が安全作業範囲を
越える時は、流体圧シリンダを作動させ、該流体圧シリ
ンダによって前記操作弁を強制的に中立位置へ復帰させ
るよう構成した建設機械等に於ける操作解除装置。A hydraulic cylinder that moves together with the spool of the operating valve is connected to the operating valve and the operating valve, and when the working position exceeds the safe working range, the hydraulic cylinder is operated and the operating valve is operated by the hydraulic cylinder. An operation release device for construction machinery, etc. configured to forcibly return a valve to a neutral position.
JP20473883U 1983-12-29 1983-12-29 Control release device for construction machinery, etc. Granted JPS60114184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20473883U JPS60114184U (en) 1983-12-29 1983-12-29 Control release device for construction machinery, etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20473883U JPS60114184U (en) 1983-12-29 1983-12-29 Control release device for construction machinery, etc.

Publications (2)

Publication Number Publication Date
JPS60114184U true JPS60114184U (en) 1985-08-02
JPS6323420Y2 JPS6323420Y2 (en) 1988-06-27

Family

ID=30767129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20473883U Granted JPS60114184U (en) 1983-12-29 1983-12-29 Control release device for construction machinery, etc.

Country Status (1)

Country Link
JP (1) JPS60114184U (en)

Also Published As

Publication number Publication date
JPS6323420Y2 (en) 1988-06-27

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