JPS6216562U - - Google Patents
Info
- Publication number
- JPS6216562U JPS6216562U JP10898585U JP10898585U JPS6216562U JP S6216562 U JPS6216562 U JP S6216562U JP 10898585 U JP10898585 U JP 10898585U JP 10898585 U JP10898585 U JP 10898585U JP S6216562 U JPS6216562 U JP S6216562U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- hydraulic actuator
- hydraulic
- agricultural tractor
- actuator
- 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
- 230000007935 neutral effect Effects 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は本考案に係る農用トラクターの油圧装置
の実施例を示し、第１図は油圧回路図、第２図は
後輪用伝動部の断面図、第３図は乗用型田植機の
全体側面図である。
１ａ，１ｂ……走行用車輪、４……連結作業装
置、１３……第１油圧アクチユエータ、１５……
第２油圧アクチユエータ、１７……第２コントロ
ールバルブ、１９……第１コントロールバルブ、
１９ａ……入力ポート、２０……油路、２１……
油圧ポンプ。
The drawings show an embodiment of the hydraulic system for an agricultural tractor according to the present invention, in which Fig. 1 is a hydraulic circuit diagram, Fig. 2 is a sectional view of the rear wheel transmission section, and Fig. 3 is an overall side view of the riding rice transplanter. It is. 1a, 1b...Traveling wheels, 4...Connection work device, 13...First hydraulic actuator, 15...
second hydraulic actuator, 17... second control valve, 19... first control valve,
19a...Input port, 20...Oil path, 21...
Hydraulic pump.
Claims (1)
アクチユエータ１３、及び、連結作業装置４を昇
降操作する第２油圧アクチユエータ１５を同一の
油圧ポンプ２１に接続した農用トラクターの油圧
装置であつて、前記第１油圧アクチユエータ１３
の第１コントロールバルブ１９に前記第２油圧ア
クチユエータ１５の第２コントロールバルブ１７
を接続すると共に、前記第１コントロールバルル
１９の入力ポート１９ａに前記第２コントロール
バルブ１７を接続する油路２０を前記第１コント
ロールバルブ１９の中立位置にのみ備えてある農
用トラクターの油圧装置。 A hydraulic system for an agricultural tractor in which a first hydraulic actuator 13 for steering the traveling wheels 1a, 1b and a second hydraulic actuator 15 for lifting and lowering the connected working device 4 are connected to the same hydraulic pump 21, the first hydraulic actuator 13
The second control valve 17 of the second hydraulic actuator 15 is connected to the first control valve 19 of the second hydraulic actuator 15.
The hydraulic system for an agricultural tractor is provided with an oil passage 20 connecting the second control valve 17 to the input port 19a of the first control valve 19 only at the neutral position of the first control valve 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10898585U JPS6216562U (en) | 1985-07-16 | 1985-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10898585U JPS6216562U (en) | 1985-07-16 | 1985-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6216562U true JPS6216562U (en) | 1987-01-31 |
Family
ID=30986677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10898585U Pending JPS6216562U (en) | 1985-07-16 | 1985-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6216562U (en) |
-
1985
- 1985-07-16 JP JP10898585U patent/JPS6216562U/ja active Pending
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