JPS61108662U - - Google Patents
Info
- Publication number
- JPS61108662U JPS61108662U JP19552384U JP19552384U JPS61108662U JP S61108662 U JPS61108662 U JP S61108662U JP 19552384 U JP19552384 U JP 19552384U JP 19552384 U JP19552384 U JP 19552384U JP S61108662 U JPS61108662 U JP S61108662U
- Authority
- JP
- Japan
- Prior art keywords
- pressure oil
- port
- state
- valve
- attachment
- 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.)
- Granted
Links
- 238000000605 extraction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Description
図面は本考案に係るトラクタの油圧装置の実施
例を示し、第１図は圧油取出用ブロツクを取付け
た状態の油圧回路図、第２図は圧油取出用ブロツ
クを外した状態の油圧回路図、第３図は圧油取出
用ブロツクの正面図、第４図及び第５図は第３図
におけるＡ―Ａ線及びＢ―Ｂ線矢視図、第６図は
座席の側面図、第７図はその一部切欠正面図、第
８図はトラクタの全体側面図、第９図は別実施例
を示す圧油取出用ブロツクの油圧回路図である。
ａ１……リフトアーム昇降用ポート、ａ２……
アタツチメント駆動用ポート、ａ３……圧油受入
ポート、ａ４……第１サービスポート、ａ５……
第２サービスポート、ａ６……第３サービスポー
ト、Ａ……圧油取出用ブロツク、Ｖ１……動力取
出バルブ、Ｖ２……フロープライオリテイバルブ
、Ｖ３……切換弁。
The drawings show an embodiment of the hydraulic system for a tractor according to the present invention. Figure 1 is a hydraulic circuit diagram with a pressure oil extraction block installed, and Figure 2 is a hydraulic circuit diagram with the pressure oil extraction block removed. Figure 3 is a front view of the pressure oil extraction block, Figures 4 and 5 are views taken along the lines AA and B-B in Figure 3, Figure 6 is a side view of the seat, and Figure 6 is a side view of the seat. FIG. 7 is a partially cutaway front view, FIG. 8 is an overall side view of the tractor, and FIG. 9 is a hydraulic circuit diagram of a pressure oil extraction block showing another embodiment. a1 ... Lift arm lifting port, a2 ...
Attachment drive port, a3 ... Pressure oil receiving port, a4 ... First service port, a5 ...
2nd service port, a6 ...Third service port, A...pressure oil extraction block, V1 ...power extraction valve, V2 ...flow priority valve, V3 ...switching valve.
Claims (1)
る第１状態と圧油をアタツチメント駆動用ポート
ａ２に供給し、且つ、アタツチメント駆動後圧油
受入ポートａ３に還元される圧油を前記リフトア
ーム昇降用ポートａ１に供給する第２状態に切換
自在な動力取出バルブＶ１を設けたトラクタの油
圧装置であつて、前記動力取出バルブＶ１の第２
状態において前記アタツチメント駆動用ポートａ
２からの圧油が供給されるフロープライオリテイ
バルブＶ２、そのバルブＶ２からの制御側圧油を
吐出するアタツチメント駆動用第１サービスポー
トａ４、前記フロープライオリテイバルブＶ２か
らの余剰側圧油を吐出するアタツチメント駆動用
第２サービスポートａ５、そのポートａ５から吐
出されてアタツチメント駆動後還元される圧油を
受入れる第３サービスポートａ６、及び、前記余
剰側圧油を第２サービスポートａ５に供給し、且
つ、第３サービスポートａ６からの圧油を前記圧
油受入ポートａ３に供給する状態と前記余剰側圧
油を前記圧油受入ポートａ３に短絡供給する状態
とに切換えるための切換弁Ｖ３の夫々を備えた圧
油取出用ブロツクＡを、前記動力取出バルブＶ１
に着脱自在に設けてあるトラクタの油圧装置。 In the first state, pressure oil is supplied to the lift arm lifting port A1 , and in the first state, pressure oil is supplied to the attachment drive port A2 , and after the attachment is driven, pressure oil is returned to the pressure oil receiving port A3 . A tractor hydraulic system is provided with a power take-off valve V1 that can be freely switched to a second state to supply power to an arm lifting port A1 , wherein the second state of the power take-off valve V1 is
In the state, the attachment drive port a
A flow priority valve V 2 to which pressure oil is supplied from the flow priority valve V 2 , a first service port a 4 for driving an attachment that discharges control side pressure oil from the valve V 2 , and surplus side pressure oil from the flow priority valve V 2 A second service port a 5 for driving the attachment which discharges the pressure oil, a third service port a 6 which receives the pressure oil discharged from the port a 5 and returned after driving the attachment, and a second service port a 6 which receives the excess side pressure oil. and a state in which pressure oil from the third service port A6 is supplied to the pressure oil receiving port A3 and a state in which the excess side pressure oil is short-circuited and supplied to the pressure oil receiving port A3 . The pressure oil take-off block A is equipped with a switching valve V3 for the power take-off valve V1 .
The tractor's hydraulic system is removably installed on the tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19552384U JPH0349962Y2 (en) | 1984-12-24 | 1984-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19552384U JPH0349962Y2 (en) | 1984-12-24 | 1984-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61108662U true JPS61108662U (en) | 1986-07-10 |
| JPH0349962Y2 JPH0349962Y2 (en) | 1991-10-24 |
Family
ID=30753120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19552384U Expired JPH0349962Y2 (en) | 1984-12-24 | 1984-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349962Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010284136A (en) * | 2009-06-15 | 2010-12-24 | Kubota Corp | Hydraulic system of tractor |
| JP2010284137A (en) * | 2009-06-15 | 2010-12-24 | Kubota Corp | Tractor |
-
1984
- 1984-12-24 JP JP19552384U patent/JPH0349962Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010284136A (en) * | 2009-06-15 | 2010-12-24 | Kubota Corp | Hydraulic system of tractor |
| JP2010284137A (en) * | 2009-06-15 | 2010-12-24 | Kubota Corp | Tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349962Y2 (en) | 1991-10-24 |