JPS63167808U - - Google Patents
Info
- Publication number
- JPS63167808U JPS63167808U JP6093987U JP6093987U JPS63167808U JP S63167808 U JPS63167808 U JP S63167808U JP 6093987 U JP6093987 U JP 6093987U JP 6093987 U JP6093987 U JP 6093987U JP S63167808 U JPS63167808 U JP S63167808U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- hydraulic piston
- view
- valve unit
- oil passage
- 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
- 239000002699 waste material Substances 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Actuator (AREA)
Description
図面は本考案に係る農用トラクタのシリンダ構
造の実施例を示し、第１図は該シリンダ構造のバ
ルブユニツト及びケーシングを示す一部切欠き平
面図、第２図は該シリンダの分解状態を示す側面
図、第３図はバルブユニツトを取外した状態での
ケーシングの正面図、第４図はケーシングの縦断
正面図、第５図はバルブユニツトの正面図、第６
図はメインスプール等の操作構造を示す正面図、
第７図はバルブユニツトを展開した状態での横断
平面図、第８図はメインスプール等の操作構造を
示す側面図、第９図は、昇降系及びローリング系
の油圧回路図、第１０図は農用トラクタの概略側
面図である。
７……ケーシング、８……リフトアーム、９…
…油圧ピストン、１０……支軸、３８……案内油
路、３９……ドレン油路、Ｖ……バルブユニツト
、ＳＣ……クランク室、ＳＰ……ピストン収納室
。
The drawings show an embodiment of the cylinder structure of an agricultural tractor according to the present invention, FIG. 1 is a partially cutaway plan view showing the valve unit and casing of the cylinder structure, and FIG. 2 is a side view showing the cylinder in an exploded state. Figure 3 is a front view of the casing with the valve unit removed, Figure 4 is a longitudinal sectional front view of the casing, Figure 5 is a front view of the valve unit, and Figure 6 is a front view of the casing with the valve unit removed.
The figure is a front view showing the operating structure of the main spool, etc.
Fig. 7 is a cross-sectional plan view of the valve unit in an expanded state, Fig. 8 is a side view showing the operating structure of the main spool, etc., Fig. 9 is a hydraulic circuit diagram of the lifting system and rolling system, and Fig. 10 is FIG. 2 is a schematic side view of an agricultural tractor. 7...Casing, 8...Lift arm, 9...
...Hydraulic piston, 10... Support shaft, 38... Guide oil passage, 39... Drain oil passage, V... Valve unit, SC... Crank chamber, SP... Piston storage chamber.
Claims (1)
ＳＰが形成され、後部に該油圧ピストン９からの
動力をリフトアーム８の支軸１０に伝えるクラン
ク室ＳＣが形成されているケーシング７の前面に
油圧ピストン９の作動を制御するバルブユニツト
Ｖを取付けると共に、バルブユニツトＶからの排
油をクランク室ＳＣに導く案内油路３８及び、ケ
ーシング内の排油を該ケーシング７の底面から排
出するドレン油路３９をケーシング７に形成して
成る農用トラクタのシリンダ構造。 A hydraulic piston is mounted on the front surface of the casing 7, in which a piston storage chamber SP for housing the hydraulic piston 9 is formed in the front part, and a crank chamber SC for transmitting the power from the hydraulic piston 9 to the support shaft 10 of the lift arm 8 is formed in the rear part. A guide oil passage 38 for guiding waste oil from the valve unit V to the crank chamber SC, and a drain oil passage 39 for discharging waste oil in the casing from the bottom surface of the casing 7. A cylinder structure of an agricultural tractor, which is formed in a casing 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6093987U JPS63167808U (en) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6093987U JPS63167808U (en) | 1987-04-22 | 1987-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63167808U true JPS63167808U (en) | 1988-11-01 |
Family
ID=30893814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6093987U Pending JPS63167808U (en) | 1987-04-22 | 1987-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63167808U (en) |
-
1987
- 1987-04-22 JP JP6093987U patent/JPS63167808U/ja active Pending