JPS6297519U - - Google Patents
Info
- Publication number
- JPS6297519U JPS6297519U JP19057785U JP19057785U JPS6297519U JP S6297519 U JPS6297519 U JP S6297519U JP 19057785 U JP19057785 U JP 19057785U JP 19057785 U JP19057785 U JP 19057785U JP S6297519 U JPS6297519 U JP S6297519U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- normally
- pump
- position switching
- switching 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
- 238000001514 detection method Methods 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 241000209094 Oryza Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は本考案に係る田植機の植付部昇降制御機
構の実施例を示し、第１図は昇降制御系における
油圧回路図、第２図は接地圧検出センサの縦断面
側面図、第３図は田植機の全体側面図である。
１０……単動型油圧シリンダ、１１……接地圧
検出センサ、１５……制御手段、１６……ポンプ
、１７……３位置切換弁、１８……常開型開閉弁
、１９……バイパス油路、２０……常閉型開閉弁
。
The drawings show an embodiment of the raising/lowering control mechanism for the planting part of the rice transplanter according to the present invention, and FIG. 1 is a hydraulic circuit diagram of the raising/lowering control system, FIG. 2 is a vertical cross-sectional side view of the ground pressure detection sensor, and FIG. is an overall side view of the rice transplanter. 10...Single-acting hydraulic cylinder, 11...Ground pressure detection sensor, 15...Control means, 16...Pump, 17...3-position switching valve, 18...Normally open type on-off valve, 19...Bypass oil Route, 20... Normally closed on-off valve.
Claims (1)
ンプ１６とを手動式の３位置切換弁１７を介して
接続し、前記３位置切換弁１７とポンプ１６との
間に電磁式の常開型開閉弁１８を設け、３位置切
換弁１７と前記単動型油圧シリンダ１０の間と前
記常開型開閉弁１８とポンプ１６の間とを接続す
るバイパス油路１９に電磁式の常閉型開閉弁２０
を設けると共に、植付装置に備えた接地圧検出セ
ンサ１１からの検出信号に基づいて前記常開型及
び常閉型開閉弁１８，２０を開閉制御する制御手
段１５を備えてある田植機の植付部昇降制御機構
。 A single-acting hydraulic cylinder 10 for raising and lowering the planting device and a pump 16 are connected via a manual 3-position switching valve 17, and an electromagnetic normally open type is connected between the 3-position switching valve 17 and the pump 16. An on-off valve 18 is provided, and an electromagnetic normally-closed on-off valve is provided in a bypass oil passage 19 connecting between the three-position switching valve 17 and the single-acting hydraulic cylinder 10 and between the normally-open on-off valve 18 and the pump 16. valve 20
The rice transplanter is equipped with a control means 15 for controlling the opening and closing of the normally open and normally closed valves 18 and 20 based on a detection signal from a ground pressure detection sensor 11 provided in the planting device. Attachment lift control mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19057785U JPS6297519U (en) | 1985-12-10 | 1985-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19057785U JPS6297519U (en) | 1985-12-10 | 1985-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6297519U true JPS6297519U (en) | 1987-06-22 |
Family
ID=31143923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19057785U Pending JPS6297519U (en) | 1985-12-10 | 1985-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6297519U (en) |
-
1985
- 1985-12-10 JP JP19057785U patent/JPS6297519U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2063099A1 (en) | Interface system for a towed implement | |
| JPH0268203U (en) | ||
| JPS6297519U (en) | ||
| JPS6297518U (en) | ||
| JPS632416U (en) | ||
| JPS6140807U (en) | Agricultural tractor work equipment control device | |
| JPS6338721U (en) | ||
| JPH02148055U (en) | ||
| JPH0218854U (en) | ||
| JPS6110609U (en) | Agricultural tractor lift arm drive device | |
| JPS62114944U (en) | ||
| JPH039107U (en) | ||
| JPH0217007U (en) | ||
| JPH0371707U (en) | ||
| JPS6140806U (en) | Agricultural tractor work equipment control device | |
| JPH0454597U (en) | ||
| JPH0237958U (en) | ||
| JPH01165302U (en) | ||
| JPS6378507U (en) | ||
| JPS5911621U (en) | Lowering control device for the reaping part in a combine harvester | |
| JPH0271101U (en) | ||
| JPH0191103U (en) | ||
| JPH0216804U (en) | ||
| JPH0179908U (en) | ||
| JPS61155450U (en) |