JPS586862U - Construction machinery running safety device - Google Patents

Construction machinery running safety device

Info

Publication number
JPS586862U
JPS586862U JP9833781U JP9833781U JPS586862U JP S586862 U JPS586862 U JP S586862U JP 9833781 U JP9833781 U JP 9833781U JP 9833781 U JP9833781 U JP 9833781U JP S586862 U JPS586862 U JP S586862U
Authority
JP
Japan
Prior art keywords
safety device
construction machinery
running safety
machinery running
proximity sensor
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
JP9833781U
Other languages
Japanese (ja)
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 JP9833781U priority Critical patent/JPS586862U/en
Publication of JPS586862U publication Critical patent/JPS586862U/en
Pending legal-status Critical Current

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  • Component Parts Of Construction Machinery (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 the drawing]

第１図は、本考案の実施例として、機械的近接センサー
を用いた場合のセンサー取付位置の説明図、第２図は同
じく本考案の実施例を示す走行安全装置を組み込んだ油
圧系統図である。゛図中、１は上部旋回体、３はリミッ
トスイッチ、４は近接センサー、６は走行駆動用油圧モ
ータ、−７は圧油ライン、８は戻り油ライフ、９は電磁
切換弁を示す。Fig. 1 is an explanatory diagram of the sensor mounting position when a mechanical proximity sensor is used as an embodiment of the present invention, and Fig. 2 is a hydraulic system diagram incorporating a driving safety device, also showing an embodiment of the present invention. be. In the figure, 1 is an upper revolving structure, 3 is a limit switch, 4 is a proximity sensor, 6 is a travel drive hydraulic motor, -7 is a pressure oil line, 8 is a return oil life, and 9 is an electromagnetic switching valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上部旋回体の後部に障害物を検知する近接センサーと、
該近接センサーが発する信号を受けて切該わる切換弁と
、該切換弁の作動により走行駆動用油圧モータの圧油を
解放する装置とを設けたことを特徴とする建設機械の走
行安全装置。A proximity sensor that detects obstacles at the rear of the upper rotating body,
A travel safety device for construction machinery, comprising: a switching valve that switches in response to a signal emitted by the proximity sensor; and a device that releases pressure oil in a travel drive hydraulic motor by operating the switching valve.
JP9833781U 1981-07-01 1981-07-01 Construction machinery running safety device Pending JPS586862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9833781U JPS586862U (en) 1981-07-01 1981-07-01 Construction machinery running safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9833781U JPS586862U (en) 1981-07-01 1981-07-01 Construction machinery running safety device

Publications (1)

Publication Number Publication Date
JPS586862U true JPS586862U (en) 1983-01-17

Family

ID=29893101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9833781U Pending JPS586862U (en) 1981-07-01 1981-07-01 Construction machinery running safety device

Country Status (1)

Country Link
JP (1) JPS586862U (en)

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