JPS61108635U - - Google Patents
Info
- Publication number
- JPS61108635U JPS61108635U JP19443484U JP19443484U JPS61108635U JP S61108635 U JPS61108635 U JP S61108635U JP 19443484 U JP19443484 U JP 19443484U JP 19443484 U JP19443484 U JP 19443484U JP S61108635 U JPS61108635 U JP S61108635U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle height
- gear position
- turned
- height adjustment
- control valve
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の一実施例に係わるエンジン
制御装置を示す構成図、第２図はセミトラクタの
車高調整機能を示す図、第３図ＡおよびＢはそれ
ぞれトラクタによるトレーラの移動状態および連
結切離し状態を示す図である。
２１…車高調整機構、２２…車高調整用メイン
スイツチ、２５…変速段検出センサ、２６…電磁
リレー、２７…圧縮空気流通用電磁弁、３０…エ
アシリンダ、３１…エンジンガバナ。
Fig. 1 is a block diagram showing an engine control device according to an embodiment of this invention, Fig. 2 is a diagram showing a vehicle height adjustment function of a semi-tractor, and Figs. 3 A and B show the state of movement of a trailer by a tractor, respectively. FIG. 6 is a diagram showing a disconnected state. 21... Vehicle height adjustment mechanism, 22... Main switch for vehicle height adjustment, 25... Gear stage detection sensor, 26... Electromagnetic relay, 27... Solenoid valve for compressed air distribution, 30... Air cylinder, 31... Engine governor.
Claims (1)
装置において、上記車高調整機能によりトラクタ
の後部車高を上下動させる際にオン操作される車
高調整用メインスイツチと、変速機の設定変速段
を検出する変速段検出手段と、上記車高調整用メ
インスイツチがオン操作され上記変速段検出手段
により低速段または後退段を除く他の変速段を検
出した際にオン動作する圧縮空気流通制御弁と、
この制御弁をそのオン動作時に介して供給される
圧縮空気によりエンジンガバナを所定の作動範囲
内に制限するエアシリンダとを具備したことを特
徴とするエンジン制御装置。 In an engine control device for a tractor equipped with a vehicle height adjustment function, there is a main switch for vehicle height adjustment that is turned on when the rear vehicle height of the tractor is moved up or down by the vehicle height adjustment function, and a set gear position of the transmission. and a compressed air flow control valve that is turned on when the vehicle height adjustment main switch is turned on and the gear position detection means detects a gear position other than a low gear position or a reverse gear position. ,
An engine control device comprising: an air cylinder that limits an engine governor within a predetermined operating range by compressed air supplied through the control valve when the control valve is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984194434U JPH048278Y2 (en) | 1984-12-24 | 1984-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984194434U JPH048278Y2 (en) | 1984-12-24 | 1984-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61108635U true JPS61108635U (en) | 1986-07-10 |
| JPH048278Y2 JPH048278Y2 (en) | 1992-03-03 |
Family
ID=30751887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984194434U Expired JPH048278Y2 (en) | 1984-12-24 | 1984-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048278Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619339A (en) * | 1984-06-25 | 1986-01-16 | Hino Motors Ltd | Tractor device |
| JPS6137542A (en) * | 1984-07-31 | 1986-02-22 | Hino Motors Ltd | Vehicle speed limiting device |
-
1984
- 1984-12-24 JP JP1984194434U patent/JPH048278Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619339A (en) * | 1984-06-25 | 1986-01-16 | Hino Motors Ltd | Tractor device |
| JPS6137542A (en) * | 1984-07-31 | 1986-02-22 | Hino Motors Ltd | Vehicle speed limiting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH048278Y2 (en) | 1992-03-03 |
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