JPS58156137U - Engine control device for hydraulically driven vehicles - Google Patents
Engine control device for hydraulically driven vehiclesInfo
- Publication number
- JPS58156137U JPS58156137U JP5363182U JP5363182U JPS58156137U JP S58156137 U JPS58156137 U JP S58156137U JP 5363182 U JP5363182 U JP 5363182U JP 5363182 U JP5363182 U JP 5363182U JP S58156137 U JPS58156137 U JP S58156137U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pump
- load
- control device
- control lever
- hydraulically driven
- 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
- Operation Control Of Excavators (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (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図はこの考案の一実施例を示す回路図、第２図、第
３図は他の実施例を示す回路図である。
１はエンジン、２は燃料制御レバ、４ａ、 ４ｂ。
４Ｃは油圧ポンプ、１０及び１２はパイロット切換え弁
、１３はデクセルシリンダ、１７はガバナ制御レバ。FIG. 1 is a circuit diagram showing one embodiment of this invention, and FIGS. 2 and 3 are circuit diagrams showing other embodiments. 1 is an engine, 2 is a fuel control lever, 4a, 4b. 4C is a hydraulic pump, 10 and 12 are pilot switching valves, 13 is a dexel cylinder, and 17 is a governor control lever.
Claims (1)
すると共に、燃料制御レバ３によりガバナ制御レバ１７
を操作してエンジン１の回転数を設定するものにおいて
、上記ガバナ制御レバ１７にデクセルシリンダ１３を接
続し、このデクセルシリンダ１３に上記油圧ポンプ４ａ
、４ｂ、４ｃの無負荷時ドレンポジション１０１に保持
され、負荷時速通ポジションに切換えられるパイロット
切換え弁１０と、作業機（または油圧ポンプ）の無負荷
時連通ポジション１２１に保持され、作業機（または油
圧ポンプ）の負荷圧がリリーフ圧近傍に達するとドレン
ポジション１２□に切換ルパイロット切換え弁１２を介
して油圧ポンプ４ａ。 ４ｂ、４ｃの吐出圧を供給してなる油圧駆動車両のエン
ジン制御装置。[Claims for Utility Model Registration] Hydraulic pump 4a driven by engine 1. 4b and 4c supply hydraulic pressure to the traveling circuit and the working machine circuit, and the fuel control lever 3 controls the governor control lever 17.
In this device, a dexel cylinder 13 is connected to the governor control lever 17, and the hydraulic pump 4a is connected to the dexel cylinder 13.
, 4b, 4c are held in the no-load drain position 101 and are switched to the load speed passing position, and the pilot switching valve 10 is held in the no-load communication position 121 of the work machine (or hydraulic pump) and When the load pressure of the hydraulic pump (hydraulic pump) reaches near the relief pressure, the hydraulic pump 4a is switched to the drain position 12□ via the pilot switching valve 12. An engine control device for a hydraulically driven vehicle that supplies discharge pressures 4b and 4c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5363182U JPS58156137U (en) | 1982-04-15 | 1982-04-15 | Engine control device for hydraulically driven vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5363182U JPS58156137U (en) | 1982-04-15 | 1982-04-15 | Engine control device for hydraulically driven vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58156137U true JPS58156137U (en) | 1983-10-18 |
Family
ID=30064286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5363182U Pending JPS58156137U (en) | 1982-04-15 | 1982-04-15 | Engine control device for hydraulically driven vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58156137U (en) |
-
1982
- 1982-04-15 JP JP5363182U patent/JPS58156137U/en active Pending
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