JPS62186605U - - Google Patents
Info
- Publication number
- JPS62186605U JPS62186605U JP7437886U JP7437886U JPS62186605U JP S62186605 U JPS62186605 U JP S62186605U JP 7437886 U JP7437886 U JP 7437886U JP 7437886 U JP7437886 U JP 7437886U JP S62186605 U JPS62186605 U JP S62186605U
- Authority
- JP
- Japan
- Prior art keywords
- tractor
- plow
- solenoid valve
- draft
- setting
- 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
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Description
第１図は側面図、第２図はブロツク図、第３図
はフローチヤート、第４図は流量特性グラフ、第
５図はブロツク図、第６図はフローチヤートであ
る。
符号の説明、１……トラクター、６……リフト
アーム、７……ロワーリンク、８……リフトロツ
ド、１０……プラウ、１１……ドラフトセンサー
。
1 is a side view, FIG. 2 is a block diagram, FIG. 3 is a flowchart, FIG. 4 is a flow rate characteristic graph, FIG. 5 is a block diagram, and FIG. 6 is a flowchart. Explanation of symbols: 1...Tractor, 6...Lift arm, 7...Lower link, 8...Lift rod, 10...Plow, 11...Draft sensor.
Claims (1)
１３からなる電気式制御弁を有するトラクターの
機体後部に適宜のリンク機構を介してプラウ１０
を昇降自在に連結して設け、トラクター１本機側
には、プラウ１０に掛かる牽引抵抗を検出するド
ラフトセンサー１１とドラフト牽引力を設定する
設定器１６とを設け、プラウ１０牽引時であつて
所定時間内に上記制御弁に上昇指令が出されたと
きの上昇出力時間の平均値からその平均値に対応
した流量特性を選択決定すべく制御部を構成した
ことを特徴とするトラクターの油圧制御装置。 A plow 10 is connected to the rear of the tractor body through an appropriate link mechanism, which has an electric control valve consisting of a lifting solenoid valve 12 and a lowering solenoid valve 13.
A draft sensor 11 for detecting the traction resistance applied to the plow 10 and a setting device 16 for setting the draft traction force are provided on the side of one tractor so that it can be raised and lowered freely. A hydraulic control device for a tractor, characterized in that a control section is configured to select and determine a flow rate characteristic corresponding to the average value of the rise output time when a rise command is issued to the control valve within the time. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7437886U JPS62186605U (en) | 1986-05-16 | 1986-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7437886U JPS62186605U (en) | 1986-05-16 | 1986-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62186605U true JPS62186605U (en) | 1987-11-27 |
Family
ID=30919536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7437886U Pending JPS62186605U (en) | 1986-05-16 | 1986-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62186605U (en) |
-
1986
- 1986-05-16 JP JP7437886U patent/JPS62186605U/ja active Pending