JPS6183808U - - Google Patents
Info
- Publication number
- JPS6183808U JPS6183808U JP17017784U JP17017784U JPS6183808U JP S6183808 U JPS6183808 U JP S6183808U JP 17017784 U JP17017784 U JP 17017784U JP 17017784 U JP17017784 U JP 17017784U JP S6183808 U JPS6183808 U JP S6183808U
- Authority
- JP
- Japan
- Prior art keywords
- lift
- case
- hydraulic
- crank
- lift arm
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は、本考案による油圧ケースの安全装置
を示す側断面図、第２図は、同要部の拡大側断面
図、第３図は、同要部を有するトラクタの側面図
。
Ａ：トラクタ、Ｍ：安全装置、１９：チエツク
バルブ、２２：連通パイプ。
FIG. 1 is a side sectional view showing a safety device for a hydraulic case according to the present invention, FIG. 2 is an enlarged side sectional view of the same main part, and FIG. 3 is a side view of a tractor having the same main part. A: Tractor, M: Safety device, 19: Check valve, 22: Communication pipe.
Claims (1)
９内に油圧シリンダ１２を設けると共に、同ケー
ス９にはリフテイングシヤフト１０を軸架し、同
シヤフト１０にはリフトクランク１４基端を連設
して、同クランク１４先端とピストンロツド１３
先端とを連動連結し、かつ、同シヤフト１０両端
にはリフトアーム１１基端を連設して、同ロツド
１３の往復運動に連動してリフトアーム１１がリ
フトクランク１４を介して上下昇降回動せられる
べく構成した油圧ケース９において、リフトクラ
ンク１４先端が、リフトアーム１１を上昇させる
べく後方回動して当接する油圧ケース９の後側壁
９−１位置にチエツクバルブ１９を設け、同バル
ブ１９に連通パイプ２２の一端を連結すると共に
、同パイプ２２他端を油圧シリンダ１２のシリン
ダ本体１２−１に連通連結して、ピストンロツド
１３の後退作動により同クランク１４が同バルブ
１９に圧接すると、シリンダ本体１２−１内の油
が連通パイプ２２を介して同バルブ１９より油圧
ケース９内に漏洩して、同ロツド１３の後退作動
が停止すべく構成してなるトラクタにおける油圧
ケースの安全装置。 A hydraulic cylinder 12 is provided in a hydraulic case 9 mounted on the upper side of the transmission case 4, and a lifting shaft 10 is mounted on the case 9, and a base end of a lift crank 14 is connected to the shaft 10. , the tip of the same crank 14 and the piston rod 13
The base end of a lift arm 11 is connected to both ends of the shaft 10, and the lift arm 11 moves up and down via a lift crank 14 in conjunction with the reciprocating movement of the rod 13. In the hydraulic case 9 configured to be able to lift the lift arm 11, a check valve 19 is provided at a position 9-1 on the rear side wall of the hydraulic case 9, where the tip of the lift crank 14 rotates backward to abut the lift arm 11. One end of the communication pipe 22 is connected to the cylinder body 12-1 of the hydraulic cylinder 12, and the other end of the pipe 22 is connected to the cylinder body 12-1 of the hydraulic cylinder 12. A safety device for a hydraulic case in a tractor, which is configured to stop the backward movement of the rod 13 when oil in the main body 12-1 leaks into the hydraulic case 9 from the valve 19 through the communication pipe 22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17017784U JPS6183808U (en) | 1984-11-08 | 1984-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17017784U JPS6183808U (en) | 1984-11-08 | 1984-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6183808U true JPS6183808U (en) | 1986-06-03 |
Family
ID=30727885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17017784U Pending JPS6183808U (en) | 1984-11-08 | 1984-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6183808U (en) |
-
1984
- 1984-11-08 JP JP17017784U patent/JPS6183808U/ja active Pending