JPS6347978U - - Google Patents
Info
- Publication number
- JPS6347978U JPS6347978U JP14133086U JP14133086U JPS6347978U JP S6347978 U JPS6347978 U JP S6347978U JP 14133086 U JP14133086 U JP 14133086U JP 14133086 U JP14133086 U JP 14133086U JP S6347978 U JPS6347978 U JP S6347978U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- variable discharge
- steering device
- discharge
- amount
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の作業車両の油圧回路の一実施
例を示す回路図、第２図は従来の作業車両の油圧
回路を示す回路図である。
１……ステアリングシリンダ、２……ステアリ
ングバルブ、３……ステアリングユニツト、４…
…パイロツト油圧源、６……プライオリテイバル
ブ、８……可変吐出ポンプ、９……レギユレータ
、１５……固定吐出ポンプ、１６……絞り。
FIG. 1 is a circuit diagram showing an embodiment of a hydraulic circuit for a working vehicle according to the present invention, and FIG. 2 is a circuit diagram showing a conventional hydraulic circuit for a working vehicle. 1... Steering cylinder, 2... Steering valve, 3... Steering unit, 4...
... Pilot hydraulic power source, 6 ... Priority valve, 8 ... Variable discharge pump, 9 ... Regulator, 15 ... Fixed discharge pump, 16 ... Throttle.
Claims (1)
にステアリング装置に供給し、余剰油を他の装置
に供給するプライオリテイバルブを備えたものに
おいて、前記ポンプを可変吐出ポンプとし、前記
ステアリング装置の操作信号と、可変吐出ポンプ
を駆動する原動機の回転数信号とに応じて可変吐
出ポンプの吐出量を制御するレギユレータを設け
たことを特徴とする作業車両の油圧回路。 Of the discharge amount of one pump, the pump is equipped with a priority valve that preferentially supplies a desired amount to the steering device and supplies surplus oil to other devices, wherein the pump is a variable discharge pump, and the steering device A hydraulic circuit for a work vehicle, comprising a regulator that controls the discharge amount of a variable discharge pump according to an operation signal of the device and a rotation speed signal of a prime mover that drives the variable discharge pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14133086U JPS6347978U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14133086U JPS6347978U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347978U true JPS6347978U (en) | 1988-03-31 |
Family
ID=31049008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14133086U Pending JPS6347978U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347978U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59167500A (en) * | 1983-03-14 | 1984-09-20 | 株式会社日本製鋼所 | Hydraulic circuit for engine type forklift |
| JPS6060068A (en) * | 1983-08-11 | 1985-04-06 | デイーア・アンド・カンパニー | Closed-center load sensing hydraulic device |
| JPS6080973A (en) * | 1983-10-11 | 1985-05-08 | Kawasaki Heavy Ind Ltd | Liquid pressure steering device for vehicle |
-
1986
- 1986-09-17 JP JP14133086U patent/JPS6347978U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59167500A (en) * | 1983-03-14 | 1984-09-20 | 株式会社日本製鋼所 | Hydraulic circuit for engine type forklift |
| JPS6060068A (en) * | 1983-08-11 | 1985-04-06 | デイーア・アンド・カンパニー | Closed-center load sensing hydraulic device |
| JPS6080973A (en) * | 1983-10-11 | 1985-05-08 | Kawasaki Heavy Ind Ltd | Liquid pressure steering device for vehicle |
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