JPH0474907U - - Google Patents
Info
- Publication number
- JPH0474907U JPH0474907U JP11842790U JP11842790U JPH0474907U JP H0474907 U JPH0474907 U JP H0474907U JP 11842790 U JP11842790 U JP 11842790U JP 11842790 U JP11842790 U JP 11842790U JP H0474907 U JPH0474907 U JP H0474907U
- Authority
- JP
- Japan
- Prior art keywords
- diversion
- control valve
- valve
- hydraulic
- work equipment
- 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
- 239000003921 oil Substances 0.000 claims 5
- 239000010720 hydraulic oil Substances 0.000 claims 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Fluid-Pressure Circuits (AREA)
Description
図面は本考案に係るトラクタの油圧回路構造の
実施例を示し、第１図は該構造全体を示す図、第
２図はトラクタの側面図、第３図、第４図は夫々
切換ユニツトの配置の別実施例を示す図である。
６……油圧アクチユエータ、８……油圧シリン
ダ、１６……制御弁、１７……第１制御弁、２３
……分流弁、２４……第１分流油路、２５……第
２分流油路、２６……切換弁、２７……排出油路
、Ｓ……部分。
The drawings show an embodiment of the hydraulic circuit structure of a tractor according to the present invention, with FIG. 1 showing the entire structure, FIG. 2 a side view of the tractor, and FIGS. 3 and 4 showing the arrangement of the switching unit, respectively. It is a figure which shows another Example. 6... Hydraulic actuator, 8... Hydraulic cylinder, 16... Control valve, 17... First control valve, 23
...Diversion valve, 24...First diversion oil path, 25...Second diversion oil path, 26...Switching valve, 27...Discharge oil path, S...portion.
Claims (1)
御弁１７と、前記作業装置とは別の対地作業装置
駆動用の油圧アクチユエータ６の制御弁１６とを
直列に接続可能に構成してあるトラクタの油圧回
路構造であつて、前記作業装置用の第１制御弁１
７を分流弁２３の第１分流油路２４に接続し、こ
の分流弁２３による第２分流油路２５を、前記第
１分流油路２４における前記第１制御弁１７に直
接接続される部分Ｓへ合流可能な状態と、前記第
２分流油路２５を作動油タンクへの排出油路２７
へ連通接続する状態とを切換え自在な切換弁２６
を設けてあるトラクタの油圧回路構造。 A tractor configured such that a first control valve 17 of a hydraulic cylinder 8 for driving the work equipment up and down and a control valve 16 of a hydraulic actuator 6 for driving a ground work equipment other than the work equipment can be connected in series. A first control valve 1 for the working device, which has a hydraulic circuit structure.
7 is connected to the first diversion oil passage 24 of the diversion valve 23, and the second diversion oil passage 25 by this diversion valve 23 is connected to the portion S of the first diversion oil passage 24 that is directly connected to the first control valve 17. and a discharge oil path 27 that connects the second branch oil path 25 to the hydraulic oil tank.
A switching valve 26 that can freely switch between the state of communication and connection to
Hydraulic circuit structure of a tractor equipped with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11842790U JPH0474907U (en) | 1990-11-09 | 1990-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11842790U JPH0474907U (en) | 1990-11-09 | 1990-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0474907U true JPH0474907U (en) | 1992-06-30 |
Family
ID=31866344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11842790U Pending JPH0474907U (en) | 1990-11-09 | 1990-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0474907U (en) |
-
1990
- 1990-11-09 JP JP11842790U patent/JPH0474907U/ja active Pending
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