JPS6085601U - Hydraulic circuit device for hydraulic work equipment - Google Patents
Hydraulic circuit device for hydraulic work equipmentInfo
- Publication number
- JPS6085601U JPS6085601U JP17539983U JP17539983U JPS6085601U JP S6085601 U JPS6085601 U JP S6085601U JP 17539983 U JP17539983 U JP 17539983U JP 17539983 U JP17539983 U JP 17539983U JP S6085601 U JPS6085601 U JP S6085601U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- circuit device
- set pressure
- hydraulic circuit
- work equipment
- 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
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の実施例を示す油圧回路図である。
ｌａ、ｌｂ、ｌｃは油圧ポンプ、２はエンジン、３ａｗ
３ｂ、３ｃは油圧回路、１４は２段リリーフ弁。The drawing is a hydraulic circuit diagram showing an embodiment of the present invention. la, lb, lc are hydraulic pumps, 2 is engine, 3aw
3b and 3c are hydraulic circuits, and 14 is a two-stage relief valve.
Claims (1)
ｌｃを駆動するようにした油圧作業機の油圧回路装
置にｉいて、上記複数個の油圧ポンプｌａ、ｌｂ、ｌｃ
のうちの少なくとも１個の油圧ポンプ１ｂに接続した油
圧回路３ｂ内に、上記複数個の油圧ポンプｌａ、ｌｂ、
ｍｅの全てに負荷が作用したときの最高設定圧と、この
最高設定圧よりも高い増加設定圧の２段に設定圧をとる
ことができるようにした２段すリーフ弁１４を接続し、
この２段すリーフ弁１４の切換手段を設けたことを特徴
とする油圧作業機の油圧回路装置。Multiple hydraulic pumps 1a, lbt in one engine 2
In the hydraulic circuit device of the hydraulic working machine configured to drive the lc, the plurality of hydraulic pumps la, lb, and lc are installed.
In the hydraulic circuit 3b connected to at least one hydraulic pump 1b, the plurality of hydraulic pumps la, lb,
A two-stage leaf valve 14 is connected, which is capable of setting a set pressure in two stages: a maximum set pressure when a load is applied to all of the me, and an increased set pressure higher than this maximum set pressure,
A hydraulic circuit device for a hydraulic working machine characterized by being provided with switching means for the two-stage leaf valve 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17539983U JPS6085601U (en) | 1983-11-15 | 1983-11-15 | Hydraulic circuit device for hydraulic work equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17539983U JPS6085601U (en) | 1983-11-15 | 1983-11-15 | Hydraulic circuit device for hydraulic work equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6085601U true JPS6085601U (en) | 1985-06-13 |
Family
ID=30381612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17539983U Pending JPS6085601U (en) | 1983-11-15 | 1983-11-15 | Hydraulic circuit device for hydraulic work equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6085601U (en) |
-
1983
- 1983-11-15 JP JP17539983U patent/JPS6085601U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5876853U (en) | hydraulic drive | |
| JPS6085601U (en) | Hydraulic circuit device for hydraulic work equipment | |
| JPS58137007U (en) | Mobile agricultural machinery hydraulic system | |
| JPS59102666U (en) | Hydraulic circuit for work equipment | |
| JPS604654U (en) | Power shovel hydraulic circuit system | |
| JPS59102667U (en) | Hydraulic circuit for work equipment | |
| JPS59169404U (en) | Cylinder hydraulic circuit | |
| JPS58109605U (en) | Work equipment hydraulic circuit | |
| JPS604657U (en) | Backhoe hydraulic system | |
| JPS6132589U (en) | Engine control device for machines equipped with variable displacement hydraulic pumps | |
| JPS5840601U (en) | hydraulic drive | |
| JPS6116934U (en) | Prime mover starting device for driving hydraulic pump of aerial work vehicle | |
| JPS60450U (en) | Construction machinery hydraulic circuit | |
| JPS58163689U (en) | Concrete pump greasing device | |
| JPS5882557U (en) | Hydraulic closed circuit device | |
| JPS5881383U (en) | Hydraulic motor reduction device | |
| JPS5969252U (en) | Multi-joint mechanism hydraulic control device | |
| JPS608749U (en) | Pilot hydraulic circuit device for hydraulic construction machinery | |
| JPS6128942U (en) | Hydraulic motor reduction circuit device | |
| JPS59102665U (en) | Hydraulic circuit for work equipment | |
| JPS581096U (en) | Forklift truck hydraulic circuit | |
| JPS5885523U (en) | Hydraulic drive vehicle control circuit | |
| JPS5828793U (en) | hydraulic pressure device | |
| JPS5816364U (en) | Timing adjustment device for concrete pumps | |
| JPS581806U (en) | Control circuit for a double-acting hydraulic actuator when driving in the direction of the load |