JPH03128751U - - Google Patents
Info
- Publication number
- JPH03128751U JPH03128751U JP3722690U JP3722690U JPH03128751U JP H03128751 U JPH03128751 U JP H03128751U JP 3722690 U JP3722690 U JP 3722690U JP 3722690 U JP3722690 U JP 3722690U JP H03128751 U JPH03128751 U JP H03128751U
- Authority
- JP
- Japan
- Prior art keywords
- pilot pressure
- control valves
- directional control
- operated directional
- connection ports
- 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
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案にかかる操作パターン変更可能
な複数切換弁を設置したエンジンルームの一実施
例の側面図、第２図は第１図の後面図、第３図は
本考案が適用されるパイロツト圧制御弁と方向切
換弁とを接続するパイロツト圧用ホースを示す回
路説明図である。
１……エンジンルーム、２，３……エンジンボ
ンネツト、４……油圧ポンプ、５，６，７，８…
…方向切換弁、９１，９２，９３，〜９８……パ
イロツト圧用ホース、１０……補助パイプ、Ａ，
Ｂ……パイロツト圧制御弁。
Fig. 1 is a side view of an embodiment of an engine room in which a multiple switching valve capable of changing operation patterns according to the present invention is installed, Fig. 2 is a rear view of Fig. 1, and Fig. 3 is a view to which the present invention is applied. FIG. 3 is a circuit explanatory diagram showing a pilot pressure hose that connects a pilot pressure control valve and a directional switching valve. 1... Engine room, 2, 3... Engine bonnet, 4... Hydraulic pump, 5, 6, 7, 8...
... Directional switching valve, 9 1 , 9 2 , 9 3 , ~ 9 8 ... Pilot pressure hose, 10 ... Auxiliary pipe, A,
B...Pilot pressure control valve.
Claims (1)
圧式パワーシヨベル等のエンジンルーム内に、油
圧ボンプの吐出油を切換える複数個のパイロツト
圧操作式方向切換弁を設置すると共に、パイロツ
ト圧操作式方向切換弁における左右パイロツト圧
ホース接続口の何れか一方を、他方側の接続口に
延設して、左右パイロツト圧ホース接続口を同一
方向面内に揃えて配設をはかり、複数のパイロツ
ト圧ホースを置換的に接続しうるようにしたこと
を特徴とする操作パターン変更可能な複数切換弁
の設置。 In the engine room of a hydraulic power shovel, etc., which has an engine bonnet that can be opened and closed, a plurality of pilot pressure-operated directional control valves are installed to switch the discharge oil of the hydraulic pump, and the left and right pilot pressure-operated directional control valves are installed. Extend one of the pilot pressure hose connection ports to the connection port on the other side, align the left and right pilot pressure hose connection ports in the same direction, and replace multiple pilot pressure hoses. Installation of a multiple switching valve that can change the operation pattern and is characterized by being able to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3722690U JPH089233Y2 (en) | 1990-04-06 | 1990-04-06 | Installation of multiple switching valves with changeable operation patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3722690U JPH089233Y2 (en) | 1990-04-06 | 1990-04-06 | Installation of multiple switching valves with changeable operation patterns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03128751U true JPH03128751U (en) | 1991-12-25 |
| JPH089233Y2 JPH089233Y2 (en) | 1996-03-13 |
Family
ID=31544145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3722690U Expired - Lifetime JPH089233Y2 (en) | 1990-04-06 | 1990-04-06 | Installation of multiple switching valves with changeable operation patterns |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089233Y2 (en) |
-
1990
- 1990-04-06 JP JP3722690U patent/JPH089233Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089233Y2 (en) | 1996-03-13 |