JPS6022566U - Backhoe operating oil pressure drop warning device - Google Patents
Backhoe operating oil pressure drop warning deviceInfo
- Publication number
- JPS6022566U JPS6022566U JP11325183U JP11325183U JPS6022566U JP S6022566 U JPS6022566 U JP S6022566U JP 11325183 U JP11325183 U JP 11325183U JP 11325183 U JP11325183 U JP 11325183U JP S6022566 U JPS6022566 U JP S6022566U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic oil
- pressure
- hydraulic
- pressure drop
- oil pressure
- 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
Links
Landscapes
- 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
第１図は、バックホー全体側面図、第２図は、油圧回路
、第３図は、他実施例。
Ａ・・・・・・バックホー、Ｂ・・・・・・油圧回路、
１・・・・・・走行装置、１０・・・・・・油圧ポンプ
、１０′・・・・・・吐出口、１２・・・・・・方向制
御弁、１９・・・・・・油圧管路、２１・・・・・・圧
カスインチ、２３・・・・・・計器板。Fig. 1 is an overall side view of the backhoe, Fig. 2 is a hydraulic circuit, and Fig. 3 is another embodiment. A: Backhoe, B: Hydraulic circuit,
1...Traveling device, 10...Hydraulic pump, 10'...Discharge port, 12...Direction control valve, 19...Hydraulic pressure Pipe line, 21...pressure gas inch, 23...instrument panel.
Claims (1)
ホーＡにおいて、作動油を圧送するための油圧ポンプ１
０の作動油吐出口１０′と、同作動油の油圧回路Ｂを切
換えるための方向制御弁１２との間の油圧管路１９に、
圧力によって電気回路を開閉するための圧力スイッチ２
１を介装し、作動油圧力が所定圧力よりも低下したとき
、同スイツリ２１が閉じ、計器板２３上の警報灯１８を
点灯せしめるように構成してなるバックホーの作動油圧
低下警報装置。In a backhoe A equipped with a hydraulically operated working part 14 and a traveling device 2, a hydraulic pump 1 for pumping hydraulic oil
In the hydraulic pipe line 19 between the hydraulic oil discharge port 10' of No. 0 and the directional control valve 12 for switching the hydraulic circuit B of the same hydraulic oil,
Pressure switch 2 for opening and closing electrical circuits by pressure
1, and when the pressure of the hydraulic oil falls below a predetermined pressure, the switch 21 is closed and a warning light 18 on an instrument panel 23 is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11325183U JPS6022566U (en) | 1983-07-20 | 1983-07-20 | Backhoe operating oil pressure drop warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11325183U JPS6022566U (en) | 1983-07-20 | 1983-07-20 | Backhoe operating oil pressure drop warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6022566U true JPS6022566U (en) | 1985-02-16 |
Family
ID=30262232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11325183U Pending JPS6022566U (en) | 1983-07-20 | 1983-07-20 | Backhoe operating oil pressure drop warning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022566U (en) |
-
1983
- 1983-07-20 JP JP11325183U patent/JPS6022566U/en active Pending
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