JPS6096381U

JPS6096381U - Boom retractable position automatic stopping device for work vehicles

Info

Publication number: JPS6096381U
Application number: JP18983583U
Authority: JP
Inventors: 桝田　隆雄
Original assignee: 株式会社豊田自動織機製作所
Priority date: 1983-12-08
Filing date: 1983-12-08
Publication date: 1985-07-01
Also published as: JPS6320715Y2

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

[Brief explanation of the drawing]

第１図は高所作業車の一実施例を示す右′側面図、第２
図は受座とブームの関係を示す部分断面図、第３図は本
考案のブーム格納可能位置自動停止装置の一実施例を示
す回路図、第４図はカムとリミットスイッチとの関係を
示す平面図である。ブーム・・・７、受座・・・１２、メインスイッチ・・
・１５、旋回用ソレノイドバルブ・・・１６、右旋回用
スイッチ・・・１７、左旋回用スイッチ・・・１８、格
納スイッチ・・・１９、カム・・・２０、表示灯・・・
２１、常閉　−。型リレー・・・２２、リミットスイッチ・・・比。Figure 1 is a right side view showing one embodiment of an aerial work vehicle;
The figure is a partial sectional view showing the relationship between the catch and the boom, Figure 3 is a circuit diagram showing an embodiment of the automatic boom retractable position stopping device of the present invention, and Figure 4 is a diagram showing the relationship between the cam and the limit switch. FIG. Boom...7, catch...12, main switch...
・15, Solenoid valve for turning...16, Switch for right turning...17, Switch for left turning...18, Storage switch...19, Cam...20, Indicator light...
21, Normally closed -. Type relay...22, limit switch...ratio.

Claims

[Claims for Utility Model Registration] 1. High-place work in which a swing seat is provided on a vehicle body frame, a boom is rotatably supported on the swing seat, and a catch for storing the boom is supported on the vehicle body frame. In a work vehicle such as a car, a boom stop is provided in which an alarm circuit is activated only when the boom is in a retractable position corresponding to a catch, and the swinging operation of the boom is automatically stopped based on the operation of the alarm circuit. An automatic stop device for a boom retractable position for a working vehicle, characterized by being provided with a circuit. 2. The notification circuit includes a limit switch that is turned ON when the boom is moved to the retractable position by a cam that is rotated in synchronization with the boom's turning operation, an indicator light that is connected in series to the limit switch, and a work main. An automatic boom storage position automatic stopping device for a work vehicle as claimed in claim 1, which is formed by a switch and a battery. 3. The boom stop circuit includes a normally closed relay connected to the control circuit of the swing solenoid valve included in the boom swing mechanism, and the limit switch, storage switch, work main switch, and battery connected in series to the relay. It depends. A boom retractable position automatic stopping device for a working vehicle according to claim 1, which has been registered as a utility model.