JPH0439365U - - Google Patents
Info
- Publication number
- JPH0439365U JPH0439365U JP8011790U JP8011790U JPH0439365U JP H0439365 U JPH0439365 U JP H0439365U JP 8011790 U JP8011790 U JP 8011790U JP 8011790 U JP8011790 U JP 8011790U JP H0439365 U JPH0439365 U JP H0439365U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- oil passage
- power steering
- steering mechanism
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Gear-Shifting Mechanisms (AREA)
- Motor Power Transmission Devices (AREA)
Description
図面は本考案に係る農用作業車の油圧回路構造
の実施例を示し、第１図は要部を示す油圧回路図
、第２図は前輪増速機構のケースとデフケースと
の連結構造を示す一部破断平面図、第３図はエン
ジン出力軸に設けた羽根を示す縦断正面図、第４
図は農用トラクタを示す全体側面図である。
１２……静油圧式無段変速装置、２５……チヤ
ージ用油路、２６……フイルタ、２７……パワー
ステアリング機構、２８，３１……排油路、３０
……コントロールバルブ、３２……合流油路、３
３……ポンプ、３４……フロープライオリテイバ
ルブ、３５，３６……給油路、３７……リリーフ
弁。
The drawings show an embodiment of the hydraulic circuit structure of an agricultural working vehicle according to the present invention. Fig. 1 is a hydraulic circuit diagram showing the main parts, and Fig. 2 is a diagram showing the connection structure between the case of the front wheel speed increasing mechanism and the differential case. Fig. 3 is a partially cutaway plan view, and Fig. 3 is a longitudinal sectional front view showing the blades provided on the engine output shaft.
The figure is an overall side view showing an agricultural tractor. 12... Hydrostatic continuously variable transmission, 25... Charge oil path, 26... Filter, 27... Power steering mechanism, 28, 31... Oil drain path, 30
... Control valve, 32 ... Merging oil path, 3
3... Pump, 34... Flow priority valve, 35, 36... Oil supply path, 37... Relief valve.
Claims (1)
バルブ３４を介して、パワーステアリング機構２
７の給油路３５と、作業装置昇降用のコントロー
ルバルブ３０の給油路３６とに分流し、前記パワ
ーステアリング機構２７の排油路２８と、前記コ
ントロールバルブ３０の排油路３１とを合流した
合流油路３２を、フイルタ２６を介して走行用の
静油圧式無段変速装置１２におけるチヤージ用油
路２５に連通接続するとともに、前記合流油路３
２にリリーフ弁３７を設けてある農用作業車の油
圧回路構造。 The hydraulic pressure from the pump 33 is transferred to the power steering mechanism 2 via the flow priority valve 34.
7 and the oil supply path 36 of the control valve 30 for lifting and lowering the working equipment, and the oil drain path 28 of the power steering mechanism 27 and the oil drain path 31 of the control valve 30 are merged. The oil passage 32 is connected to the charge oil passage 25 in the hydrostatic continuously variable transmission 12 for traveling via the filter 26, and the merging oil passage 3
2 is a hydraulic circuit structure of an agricultural work vehicle in which a relief valve 37 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8011790U JPH0439365U (en) | 1990-07-27 | 1990-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8011790U JPH0439365U (en) | 1990-07-27 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439365U true JPH0439365U (en) | 1992-04-03 |
Family
ID=31624889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8011790U Pending JPH0439365U (en) | 1990-07-27 | 1990-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012236454A (en) * | 2011-05-10 | 2012-12-06 | Kubota Corp | Tractor |
-
1990
- 1990-07-27 JP JP8011790U patent/JPH0439365U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012236454A (en) * | 2011-05-10 | 2012-12-06 | Kubota Corp | Tractor |
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