JPH0172016U - - Google Patents
Info
- Publication number
- JPH0172016U JPH0172016U JP1987168709U JP16870987U JPH0172016U JP H0172016 U JPH0172016 U JP H0172016U JP 1987168709 U JP1987168709 U JP 1987168709U JP 16870987 U JP16870987 U JP 16870987U JP H0172016 U JPH0172016 U JP H0172016U
- Authority
- JP
- Japan
- Prior art keywords
- pump mechanism
- oil passage
- valve
- hydraulic
- oil
- 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
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
Description
図面は本考案に係る作業車の油圧回路構造の実
施例を示し、第１図はクイツク継手、バイパス油
路及び開閉弁付近の断面図、第２図は第１図の状
態からクイツク継手を切り離した状態を示す断面
図、第３図は油圧回路の概略図、第４図は苗植付
装置の全体側面図、第５図は苗植付装置に装備さ
れたローリング制御装置の全体斜視図である。
１３…ポンプ、１９，２０…油路、２１…クイ
ツク継手、２８…バイパス油路、３０…開閉弁。
The drawings show an embodiment of the hydraulic circuit structure of a working vehicle according to the present invention, and Fig. 1 is a cross-sectional view of the quick coupling, bypass oil passage, and opening/closing valve vicinity, and Fig. 2 is a diagram showing the quick coupling separated from the state shown in Fig. 1. Fig. 3 is a schematic diagram of the hydraulic circuit, Fig. 4 is an overall side view of the seedling planting device, and Fig. 5 is an overall perspective view of the rolling control device installed in the seedling planting device. be. 13... Pump, 19, 20... Oil path, 21... Quick coupling, 28... Bypass oil path, 30... Open/close valve.
Claims (1)
排用の一対の油路１９，２０の各々に、クイツク
継手２１，２１を備えてポンプ機構１３側から油
圧装置を切り離し可能としてある作業車の油圧回
路構造であつて、油路接続分離部位よりポンプ機
構１３側において前記一対の油路１９，２０同志
を連通させるバイパス油路２８を設け、このバイ
パス油路２８に常閉型の開閉弁３０を設けると共
に、前記クイツク継手２１，２１の切り離し操作
に連動して前記開閉弁３０が開弁操作されるよう
に連係してある作業車の油圧回路構造。 A hydraulic circuit structure of a work vehicle in which a pair of oil passages 19 and 20 for supplying and discharging hydraulic oil from a pump mechanism 13 to a hydraulic system are each provided with quick couplings 21 and 21, so that the hydraulic system can be separated from the pump mechanism 13 side. A bypass oil passage 28 for communicating the pair of oil passages 19 and 20 is provided on the side of the pump mechanism 13 from the oil passage connection/separation part, and a normally closed on-off valve 30 is provided in this bypass oil passage 28. , a hydraulic circuit structure for a working vehicle in which the on-off valve 30 is linked so that the opening/closing valve 30 is opened in conjunction with the disconnection operation of the quick couplings 21, 21;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168709U JPH0172016U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168709U JPH0172016U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172016U true JPH0172016U (en) | 1989-05-15 |
Family
ID=31458122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168709U Pending JPH0172016U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172016U (en) |
-
1987
- 1987-11-04 JP JP1987168709U patent/JPH0172016U/ja active Pending