JPH0218775U - - Google Patents
Info
- Publication number
- JPH0218775U JPH0218775U JP9886088U JP9886088U JPH0218775U JP H0218775 U JPH0218775 U JP H0218775U JP 9886088 U JP9886088 U JP 9886088U JP 9886088 U JP9886088 U JP 9886088U JP H0218775 U JPH0218775 U JP H0218775U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- elevation
- steering
- switched
- forth
- 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
- Lifting Devices For Agricultural Implements (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Guiding Agricultural Machines (AREA)
- Harvester Elements (AREA)
Description
第１図は本考案の油圧式操向装置油圧回路図。
第２図は昇降操向レバー部斜視図。第３図はシフ
トパターンを示す平面図。第４図は本考案の油圧
式操向装置を装備したコンバイン全体側面図であ
る。
９……昇降操向レバー、２０……昇降制御バル
ブ、２４……操向制御バルブ、３１……バイパス
油路。
FIG. 1 is a hydraulic circuit diagram of the hydraulic steering system of the present invention.
FIG. 2 is a perspective view of the elevation steering lever. FIG. 3 is a plan view showing the shift pattern. FIG. 4 is a side view of the entire combine equipped with the hydraulic steering device of the present invention. 9... Lifting steering lever, 20... Lifting control valve, 24... Steering control valve, 31... Bypass oil passage.
Claims (1)
ブ２４を下流側に配置し、１個の油圧ポンプの圧
油により制御する構成において、昇降操向レバー
９を前後左右に回動可能とし、該昇降操向レバー
９の前後回動により昇降制御バルブ２０を切り換
え可能とし、昇降操向レバー９の左右回動により
操向制御バルブ２４を切り換え可能とし、昇降操
向レバー９の上げ位置においても左右回動により
操向操作を可能とすべく、昇降制御バルブ２０を
迂回するバイパス油路３１を設けたことを特徴と
する油圧式操向装置。 In a configuration in which the elevation control valve 20 is disposed on the upstream side and the steering control valve 24 is disposed on the downstream side, and the elevation control valve 24 is controlled by pressure oil from one hydraulic pump, the elevation steering lever 9 is rotatable back and forth and left and right. The elevation control valve 20 can be switched by rotating the elevation steering lever 9 back and forth, and the steering control valve 24 can be switched by rotating the elevation steering lever 9 left and right. A hydraulic steering device characterized in that a bypass oil passage 31 that bypasses the elevation control valve 20 is provided to enable steering operation by rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9886088U JPH0218775U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9886088U JPH0218775U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218775U true JPH0218775U (en) | 1990-02-07 |
Family
ID=31325496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9886088U Pending JPH0218775U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218775U (en) |
-
1988
- 1988-07-25 JP JP9886088U patent/JPH0218775U/ja active Pending