JPH0229858U - - Google Patents
Info
- Publication number
- JPH0229858U JPH0229858U JP10837288U JP10837288U JPH0229858U JP H0229858 U JPH0229858 U JP H0229858U JP 10837288 U JP10837288 U JP 10837288U JP 10837288 U JP10837288 U JP 10837288U JP H0229858 U JPH0229858 U JP H0229858U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- driver
- seat
- electromagnetic
- key 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
- 238000010276 construction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図および第２図はこの考案にかかるスイツ
チ装置を示す回路図、第３図は油圧シヨベルの一
部切欠き側面図、第４図は第３図内運転席付近の
詳細図、第５図は従来技術の操作レバー用ロツク
回路図である。
４……運転席、６……操作レバー、９……ロツ
クレバー、１１……リミツトスイツチ、１２……
パイロツト切換弁、１６……リモコン弁、１９…
…パイロツトポンプ、２０……電磁弁、２３……
エンジン用キースイツチ、２５……電磁開閉弁、
２７……盗難防止用キースイツチ。
Figures 1 and 2 are circuit diagrams showing the switch device according to this invention, Figure 3 is a partially cutaway side view of the hydraulic excavator, Figure 4 is a detailed view of the vicinity of the driver's seat in Figure 3, and Figure 5 is a diagram showing the switch device according to this invention. The figure is a lock circuit diagram for a conventional operating lever. 4...Driver's seat, 6...Operation lever, 9...Lock lever, 11...Limit switch, 12...
Pilot switching valve, 16...Remote control valve, 19...
...Pilot pump, 20...Solenoid valve, 23...
Engine key switch, 25...Solenoid on-off valve,
27...Key switch for anti-theft.
Claims (1)
け、そのコントロールボツクス上部に各種油圧ア
クチユエータ用パイロツト切換弁を切換制御する
リモコン弁用操作レバーをそなえ、かつ運転席付
近に上記操作レバーをロツクせしめるロツクレバ
ーを設けている建設機械において、パイロツトポ
ンプと上記リモコン弁とを連通する油路に電磁開
閉弁を介設し、その電磁開閉弁より電源に通じる
電気回路に盗難防止用キースイツチを配設すると
ともに、そのキースイツチを機体のいずれか任意
位置に取付けたことを特徴とする建設機械の盗難
防止用スイツチ装置。 A control box is provided on the left and right front sides of the driver's seat, and a remote control valve operating lever for switching and controlling pilot switching valves for various hydraulic actuators is provided above the control box, and a lock lever for locking the operating lever is provided near the driver's seat. In construction machinery, an electromagnetic on-off valve is interposed in the oil path that communicates the pilot pump and the remote control valve, and an anti-theft key switch is installed in the electric circuit that leads from the electromagnetic on-off valve to the power supply, and the key switch is A switch device for preventing theft of construction machinery, characterized in that it is installed at any arbitrary position on the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10837288U JP2508304Y2 (en) | 1988-08-17 | 1988-08-17 | Switch equipment for anti-theft of construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10837288U JP2508304Y2 (en) | 1988-08-17 | 1988-08-17 | Switch equipment for anti-theft of construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0229858U true JPH0229858U (en) | 1990-02-26 |
| JP2508304Y2 JP2508304Y2 (en) | 1996-08-21 |
Family
ID=31343637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10837288U Expired - Lifetime JP2508304Y2 (en) | 1988-08-17 | 1988-08-17 | Switch equipment for anti-theft of construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508304Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046015A (en) * | 1998-07-28 | 2000-02-15 | Yutani Heavy Ind Ltd | Self-diagnosis device for hydraulic circuit |
| JP2013036270A (en) * | 2011-08-10 | 2013-02-21 | Komatsu Ltd | Hydraulic shovel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5111167U (en) * | 1974-07-11 | 1976-01-27 | ||
| JPS58176058U (en) * | 1982-05-20 | 1983-11-25 | 株式会社クボタ | work vehicle |
-
1988
- 1988-08-17 JP JP10837288U patent/JP2508304Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5111167U (en) * | 1974-07-11 | 1976-01-27 | ||
| JPS58176058U (en) * | 1982-05-20 | 1983-11-25 | 株式会社クボタ | work vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046015A (en) * | 1998-07-28 | 2000-02-15 | Yutani Heavy Ind Ltd | Self-diagnosis device for hydraulic circuit |
| JP2013036270A (en) * | 2011-08-10 | 2013-02-21 | Komatsu Ltd | Hydraulic shovel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2508304Y2 (en) | 1996-08-21 |
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