JPH0229859U - - Google Patents
Info
- Publication number
- JPH0229859U JPH0229859U JP1988108373U JP10837388U JPH0229859U JP H0229859 U JPH0229859 U JP H0229859U JP 1988108373 U JP1988108373 U JP 1988108373U JP 10837388 U JP10837388 U JP 10837388U JP H0229859 U JPH0229859 U JP H0229859U
- Authority
- JP
- Japan
- Prior art keywords
- control box
- lever
- switch
- remote control
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図はこの考案にかかるスイツチ装置を示す
回路図、第２図は油圧シヨベルの一部切欠き側面
図、第３図は第２図のＡ部詳細図、第４図は従来
技術の操作レバー用ロツク回路図である。
５……操作レバー、６……コントロールボツク
ス、１６……接触子、１７……リミツトスイツチ
、１９……パイロツト切換弁、２３……リモコン
弁、２６……パイロツトポンプ、２７……電磁弁
、２８……ソレノイド、３０……エンジン用キー
スイツチ、３４……盗難防止用キースイツチ。
Fig. 1 is a circuit diagram showing the switch device according to this invention, Fig. 2 is a partially cutaway side view of a hydraulic excavator, Fig. 3 is a detailed view of section A in Fig. 2, and Fig. 4 is an operation of the conventional technology. FIG. 3 is a lever lock circuit diagram. 5... Operation lever, 6... Control box, 16... Contact, 17... Limit switch, 19... Pilot switching valve, 23... Remote control valve, 26... Pilot pump, 27... Solenoid valve, 28... ...Solenoid, 30...Engine key switch, 34...Theft prevention key switch.
Claims (1)
トロールボツクスを設け、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、上記コントロールボツクスを後方端に回
動傾倒させたときリミツトスイツチの作動により
リモコン弁用圧油供給油路を遮断せしめるように
した操作レバー用ロツク回路において、上記電磁
弁より電源に通じる電気回路に上記リミツトスイ
ツチと直列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 that can be tilted forward and backward is provided on the left and right front sides of the driver's seat, and a remote control valve operating lever that switches and controls the pilot switching valves for various hydraulic actuators is provided on the top of the control box, and the control box can be rotated to the rear end. In the lock circuit for the operation lever, which shuts off the pressure oil supply line for the remote control valve by operating the limit switch when the lever is tilted, an anti-theft key switch is arranged in series with the limit switch in the electric circuit leading from the solenoid valve to the power source. What is claimed is: 1. A theft prevention switch device for construction machinery, characterized in that the key switch is installed at any arbitrary position on the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988108373U JPH0719932Y2 (en) | 1988-08-17 | 1988-08-17 | Anti-theft switch device for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988108373U JPH0719932Y2 (en) | 1988-08-17 | 1988-08-17 | Anti-theft switch device for construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0229859U true JPH0229859U (en) | 1990-02-26 |
| JPH0719932Y2 JPH0719932Y2 (en) | 1995-05-10 |
Family
ID=31343639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988108373U Expired - Lifetime JPH0719932Y2 (en) | 1988-08-17 | 1988-08-17 | Anti-theft switch device for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0719932Y2 (en) |
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 JP1988108373U patent/JPH0719932Y2/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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0719932Y2 (en) | 1995-05-10 |
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