JPH0362117U - - Google Patents
Info
- Publication number
- JPH0362117U JPH0362117U JP12228289U JP12228289U JPH0362117U JP H0362117 U JPH0362117 U JP H0362117U JP 12228289 U JP12228289 U JP 12228289U JP 12228289 U JP12228289 U JP 12228289U JP H0362117 U JPH0362117 U JP H0362117U
- Authority
- JP
- Japan
- Prior art keywords
- work machine
- work
- weight
- mill
- vehicle
- 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
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 1
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案を実施した油圧回路の作業機加
圧前の状態における構成図、第２図は第１図に示
した油圧回路の作業機加圧中の状態における構成
図、第３図は本考案を実施した車両全体の側面図
、第４図は従来の油圧回路図を示す。
３……後方作業機（ミル）、４……コントロー
ルバルブ、５……可圧ギヤーポンプ、６……油圧
作動油タンク、８，９，１０……電磁マグネツト
バルブ、１１……リリーフバルブ、１３……ミル
昇降シリンダー、１４……可圧スイツチ。
Figure 1 is a configuration diagram of the hydraulic circuit according to the present invention in a state before pressurizing a work machine, Figure 2 is a configuration diagram of the hydraulic circuit shown in Figure 1 in a state while pressurizing a work machine, and Figure 3 4 shows a side view of the entire vehicle in which the present invention is implemented, and FIG. 4 shows a conventional hydraulic circuit diagram. 3... Rear working machine (mill), 4... Control valve, 5... Pressure gear pump, 6... Hydraulic oil tank, 8, 9, 10... Electromagnetic valve, 11... Relief valve, 13 ...Mill lifting cylinder, 14...Pressure switch.
Claims (1)
と、同作業機を昇降させるミル昇降シリンダーと
を具えた作業用車両において、通常時は前記作業
機が自重のみで押し付けを行い、運転席に設けら
れた加圧スイツチを押すことにより、電磁マグネ
ツトバルブが切換わり、リリーフバルブで規定さ
れる設定圧力が前記ミル昇降シリンダーに加わり
、作業機を自重および油圧力により下方に押し付
けるように構成してなることを特徴とする作業用
車両の加圧油圧装置。 In a work vehicle that is equipped with a work machine that is attached to the rear of the vehicle body so that it can be raised and lowered, and a mill lift cylinder that raises and lowers the work machine, the work machine normally pushes only with its own weight and presses against the driver's seat. By pressing the provided pressure switch, the electromagnetic valve is switched, and the set pressure specified by the relief valve is applied to the mill lifting cylinder, and the working machine is pushed downward by its own weight and hydraulic pressure. A pressurized hydraulic system for a work vehicle, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12228289U JPH0739940Y2 (en) | 1989-10-20 | 1989-10-20 | Pressurized hydraulic system for work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12228289U JPH0739940Y2 (en) | 1989-10-20 | 1989-10-20 | Pressurized hydraulic system for work vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0362117U true JPH0362117U (en) | 1991-06-18 |
| JPH0739940Y2 JPH0739940Y2 (en) | 1995-09-13 |
Family
ID=31670288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12228289U Expired - Lifetime JPH0739940Y2 (en) | 1989-10-20 | 1989-10-20 | Pressurized hydraulic system for work vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739940Y2 (en) |
-
1989
- 1989-10-20 JP JP12228289U patent/JPH0739940Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739940Y2 (en) | 1995-09-13 |