JPS63103210U - - Google Patents
Info
- Publication number
- JPS63103210U JPS63103210U JP20182886U JP20182886U JPS63103210U JP S63103210 U JPS63103210 U JP S63103210U JP 20182886 U JP20182886 U JP 20182886U JP 20182886 U JP20182886 U JP 20182886U JP S63103210 U JPS63103210 U JP S63103210U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- cylinder
- valve
- lift arm
- integrally molded
- 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 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は本考案に係る農用トラクタの油圧装置の
実施例を示し、第１図はシリンダヘツドの平面図
、第２図はシリンダヘツドの正面図、第３図はシ
リンダヘツドの断面図、第４図はリフトアームシ
リンダの一部切欠き側面図、第５図は油圧回路図
、第６図は乗用型耕耘機後部の斜視図である。
３……作業装置、５……油圧アクチユエータ、
７……リフトアームシリンダ、７ｂ……シリンダ
チユーブ、１０……フロープライオリテイバルブ
、１４……電磁バルブ、１４ａ……バルブ本体、
１５……ミツシヨンケース、１６……シリンダヘ
ツド、１８……組付孔、３……油路。
The drawings show an embodiment of the hydraulic system for an agricultural tractor according to the present invention, in which Fig. 1 is a plan view of the cylinder head, Fig. 2 is a front view of the cylinder head, Fig. 3 is a sectional view of the cylinder head, and Fig. 4 is a plan view of the cylinder head. 5 is a partially cutaway side view of the lift arm cylinder, FIG. 5 is a hydraulic circuit diagram, and FIG. 6 is a perspective view of the rear part of the riding power cultivator. 3... Working device, 5... Hydraulic actuator,
7... Lift arm cylinder, 7b... Cylinder tube, 10... Flow priority valve, 14... Solenoid valve, 14a... Valve body,
15... Mission case, 16... Cylinder head, 18... Assembly hole, 3 ... Oil path.
Claims (1)
リンダチユーブ７ｂとミツシヨンケース１５とを
一体成型し、前記リフトアームシリンダ７のシリ
ンダヘツド１６を前記ミツシヨンケース１５と別
体に形成した状態で前記ミツシヨンケース１５に
取付け、前記リフトアームシリンダ７によつて昇
降される作業装置３の連結姿勢を自動制御する油
圧アクチユエータ５の電磁バルブ１４に油圧源か
ら圧油を定量分配供給するフロープライオリテイ
バルブ１０を、前記シリンダヘツド１６に設けた
組付孔１８に組付けた農用トラクタの油圧装置で
あつて、前記シリンダヘツド１６と前記電磁バル
ブ１４のバルブ本体１４ａとを一体成型すると共
に、前記電磁バルブ１４と前記フロープライオリ
テイバルブ１０とを接続する油路３を前記シリ
ンダヘツド１６に穿設してある農用トラクタの油
圧装置。 The cylinder tube 7b of the lift arm cylinder 7 for lifting and lowering the working equipment and the mission case 15 are integrally molded, and the cylinder head 16 of the lift arm cylinder 7 is formed separately from the mission case 15. A flow priority valve 10 is attached to the case 15 and supplies a fixed amount of pressure oil from a hydraulic source to the electromagnetic valve 14 of the hydraulic actuator 5 that automatically controls the connected posture of the working device 3 that is raised and lowered by the lift arm cylinder 7. , a hydraulic system for an agricultural tractor assembled into an assembly hole 18 provided in the cylinder head 16, in which the cylinder head 16 and the valve body 14a of the electromagnetic valve 14 are integrally molded, and the electromagnetic valve 14 and the valve body 14a are integrally molded. This hydraulic system for an agricultural tractor has an oil passage 3 connected to the flow priority valve 10 formed in the cylinder head 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20182886U JPS63103210U (en) | 1986-12-26 | 1986-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20182886U JPS63103210U (en) | 1986-12-26 | 1986-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63103210U true JPS63103210U (en) | 1988-07-05 |
Family
ID=31165646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20182886U Pending JPS63103210U (en) | 1986-12-26 | 1986-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63103210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010158233A (en) * | 2008-12-11 | 2010-07-22 | Kubota Corp | Hydraulic structure of working vehicle |
-
1986
- 1986-12-26 JP JP20182886U patent/JPS63103210U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010158233A (en) * | 2008-12-11 | 2010-07-22 | Kubota Corp | Hydraulic structure of working vehicle |
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