JPH0419679U - - Google Patents
Info
- Publication number
- JPH0419679U JPH0419679U JP6089090U JP6089090U JPH0419679U JP H0419679 U JPH0419679 U JP H0419679U JP 6089090 U JP6089090 U JP 6089090U JP 6089090 U JP6089090 U JP 6089090U JP H0419679 U JPH0419679 U JP H0419679U
- Authority
- JP
- Japan
- Prior art keywords
- load sensing
- valve
- controls
- sensing valve
- mode switching
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Description
第１図は本考案のロードセンシングシステムの
モード切換回路の第１実施例の油圧回路図、第２
図はモード切換時の作用を説明する図、第３図は
本考案の第２実施例の油圧回路図、第４図は従来
のロードセンシングシステムの油圧回路図、第５
図はロードセンシング弁の働きを説明する図であ
る。
１……油圧ポンプ、２……サーボシリンダ、４
……切換弁、８……主回路、１０……ロードセン
シング弁、１１……パイロツト回路、１２，１４
……分岐回路、１３……オリフイス、１５，１８
……制御弁、１６……切換スイツチ、１７……バ
ツテリ。
Figure 1 is a hydraulic circuit diagram of the first embodiment of the mode switching circuit of the load sensing system of the present invention;
3 is a hydraulic circuit diagram of the second embodiment of the present invention, FIG. 4 is a hydraulic circuit diagram of a conventional load sensing system, and FIG.
The figure is a diagram explaining the function of the load sensing valve. 1... Hydraulic pump, 2... Servo cylinder, 4
...Switching valve, 8...Main circuit, 10...Load sensing valve, 11...Pilot circuit, 12, 14
... Branch circuit, 13 ... Orifice, 15, 18
... Control valve, 16 ... Selector switch, 17 ... Battery.
Claims (1)
ンプの流量を制御する油圧システムにおいて、メ
インバルブと前記ロードセンシング弁との間に絞
りを介在させることにより、前記ロードセンシン
グ弁の応答速度を制御する制御弁を具備せること
を特徴とするロードセンシングシステムのモード
切換回路。 In a hydraulic system that controls the flow rate of a variable displacement hydraulic pump using a load sensing valve, a control valve that controls the response speed of the load sensing valve by interposing a throttle between the main valve and the load sensing valve. A mode switching circuit for a load sensing system, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089090U JPH0419679U (en) | 1990-06-07 | 1990-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089090U JPH0419679U (en) | 1990-06-07 | 1990-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419679U true JPH0419679U (en) | 1992-02-19 |
Family
ID=31588655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6089090U Pending JPH0419679U (en) | 1990-06-07 | 1990-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419679U (en) |
-
1990
- 1990-06-07 JP JP6089090U patent/JPH0419679U/ja active Pending