JPS62196259U - - Google Patents
Info
- Publication number
- JPS62196259U JPS62196259U JP8586986U JP8586986U JPS62196259U JP S62196259 U JPS62196259 U JP S62196259U JP 8586986 U JP8586986 U JP 8586986U JP 8586986 U JP8586986 U JP 8586986U JP S62196259 U JPS62196259 U JP S62196259U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- horsepower
- swing
- changing means
- hydraulic circuit
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の油圧シヨベルの油圧回路の１
実施例を示す要部の回路図、第２図は従来例を示
す油圧回路図である。
１…オイルタンク、２，３，４…ポンプ回路、
４ａ…ポンプ本体、５…旋回モータ回路、６…連
通弁、７…レギユレータ、８…減馬力レギユレー
タ、９，１０…ソレノイドバルブ、１１…操作ス
イツチ、１２…バツテリ、１３…タンク、１４…
ギヤポンプ。
Figure 1 shows one of the hydraulic circuits of the hydraulic excavator of the present invention.
FIG. 2 is a hydraulic circuit diagram showing a conventional example. 1...Oil tank, 2, 3, 4...Pump circuit,
4a... Pump body, 5... Swivel motor circuit, 6... Communication valve, 7... Regulator, 8... Horsepower reduction regulator, 9, 10... Solenoid valve, 11... Operation switch, 12... Battery, 13... Tank, 14...
gear pump.
Claims (1)
ンプの複数のポンプ回路で、旋回用ポンプを優先
させて馬力配分する油圧回路において、旋回用ポ
ンプに独自の馬力変更手段を設け、また該馬力変
更手段の操作スイツチを運転席に設けたことを特
徴とする油圧シヨベルの油圧回路。 In a hydraulic circuit that distributes horsepower by giving priority to the swing pump in a plurality of pump circuits including a swing pump, an attachment pump, and a running pump, the swing pump is provided with its own horsepower changing means, and the horsepower changing means is operated. A hydraulic excavator hydraulic circuit characterized by a switch installed in the driver's seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8586986U JPS62196259U (en) | 1986-06-04 | 1986-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8586986U JPS62196259U (en) | 1986-06-04 | 1986-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62196259U true JPS62196259U (en) | 1987-12-14 |
Family
ID=30941663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8586986U Pending JPS62196259U (en) | 1986-06-04 | 1986-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62196259U (en) |
-
1986
- 1986-06-04 JP JP8586986U patent/JPS62196259U/ja active Pending