JPS62120562U - - Google Patents
Info
- Publication number
- JPS62120562U JPS62120562U JP557786U JP557786U JPS62120562U JP S62120562 U JPS62120562 U JP S62120562U JP 557786 U JP557786 U JP 557786U JP 557786 U JP557786 U JP 557786U JP S62120562 U JPS62120562 U JP S62120562U
- Authority
- JP
- Japan
- Prior art keywords
- main boom
- alarm
- excavator
- pressure sensor
- sensor switch
- 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
Links
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図は掘削機の全体側面図、第２図は本考案
の警報装置の回路図である。
Ｂ……警報ブザー、１……上下シリンダー、２
……掘削シリンダー、３……バケツトシリンダー
、４……バケツト、５……メインブーム、６……
掘削ブーム、７……油圧操作バルブ、８……油圧
ポンプ、９……圧力センサースイツチ、１５……
エンジンキー。
FIG. 1 is an overall side view of the excavator, and FIG. 2 is a circuit diagram of the alarm device of the present invention. B...Alarm buzzer, 1...Upper and lower cylinder, 2
...Drilling cylinder, 3...Bucket cylinder, 4...Bucket cylinder, 5...Main boom, 6...
Excavation boom, 7... Hydraulic operation valve, 8... Hydraulic pump, 9... Pressure sensor switch, 15...
engine key.
Claims (1)
上げ側の油圧回路内に、圧力センサースイツチ９
を配置し、エンジンキー１５のＯＦＦ操作に連動
して、圧力センサースイツチ９と警報回路を作動
させ、メインブーム５が接地せずに、該メインブ
ーム５等の重量により上下シリンダー１の油圧回
路内に一定以上の圧力が発生している場合には警
報を発して、メインブーム５の未接地状態を認識
させるべく構成したことを特徴とする掘削機の警
報装置。 A pressure sensor switch 9 is installed in the hydraulic circuit on the raising side of the vertical cylinder 1 that raises and lowers the main boom 5.
When the engine key 15 is turned OFF, the pressure sensor switch 9 and the alarm circuit are activated. 1. An alarm device for an excavator, characterized in that the excavator alarm device is configured to issue an alarm when a pressure above a certain level is generated in the main boom 5, so as to recognize that the main boom 5 is not in contact with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP557786U JPH052698Y2 (en) | 1986-01-17 | 1986-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP557786U JPH052698Y2 (en) | 1986-01-17 | 1986-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62120562U true JPS62120562U (en) | 1987-07-31 |
| JPH052698Y2 JPH052698Y2 (en) | 1993-01-22 |
Family
ID=30787290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP557786U Expired - Lifetime JPH052698Y2 (en) | 1986-01-17 | 1986-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052698Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016217087A (en) * | 2015-05-26 | 2016-12-22 | 日立建機株式会社 | Construction machine |
-
1986
- 1986-01-17 JP JP557786U patent/JPH052698Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016217087A (en) * | 2015-05-26 | 2016-12-22 | 日立建機株式会社 | Construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052698Y2 (en) | 1993-01-22 |
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