JPS59102666U - Hydraulic circuit for work equipment - Google Patents
Hydraulic circuit for work equipmentInfo
- Publication number
- JPS59102666U JPS59102666U JP19644282U JP19644282U JPS59102666U JP S59102666 U JPS59102666 U JP S59102666U JP 19644282 U JP19644282 U JP 19644282U JP 19644282 U JP19644282 U JP 19644282U JP S59102666 U JPS59102666 U JP S59102666U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- circuit
- hydraulic circuit
- work equipment
- switching valve
- 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
第1図はこの考案の実施例を示す油圧回路図、第2図は
公知の実施例を示す油圧回路図、1・・・絞り弁、2・
・・パイロット切換弁、3川チエツク弁、4・・・切換
弁、5・・・切換弁、6・・・切換弁、a・・・油圧ポ
ンプP2側供給回路、b・・・パイロット回路、Pl・
・・第1油圧ポンプ、P2・・・第2油圧ポンプ。
”Fig. 1 is a hydraulic circuit diagram showing an embodiment of this invention, Fig. 2 is a hydraulic circuit diagram showing a known embodiment, 1... Throttle valve, 2...
...Pilot switching valve, 3 river check valve, 4...Switching valve, 5...Switching valve, 6...Switching valve, a...Hydraulic pump P2 side supply circuit, b...Pilot circuit, Pl・
...First hydraulic pump, P2...Second hydraulic pump.
”
Claims (1)
ーを駆動する油圧回路に於て、油圧ポンプP1のタンク
回路に絞り弁1を設けてその間にパイロット切換弁2を
併設して、油圧ポンプP2の供給回路aにチェック弁3
を介して接続するとともに油圧ポンプP2の切換弁4の
アンロード回路よりパイロット回路すをパイロット切換
弁1へ接続したことを特徴とする作業機用油圧回路。Two hydraulic pumps p1. In the hydraulic circuits that drive the respective hydraulic actuators at p2, a throttle valve 1 is provided in the tank circuit of the hydraulic pump P1, a pilot switching valve 2 is provided between them, and a check valve 3 is provided in the supply circuit a of the hydraulic pump P2.
A hydraulic circuit for a work machine, characterized in that a pilot circuit is connected to a pilot switching valve 1 from an unload circuit of a switching valve 4 of a hydraulic pump P2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19644282U JPS59102666U (en) | 1982-12-28 | 1982-12-28 | Hydraulic circuit for work equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19644282U JPS59102666U (en) | 1982-12-28 | 1982-12-28 | Hydraulic circuit for work equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59102666U true JPS59102666U (en) | 1984-07-10 |
Family
ID=30421452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19644282U Pending JPS59102666U (en) | 1982-12-28 | 1982-12-28 | Hydraulic circuit for work equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59102666U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002276608A (en) * | 2001-03-19 | 2002-09-25 | Kayaba Ind Co Ltd | Hydraulic control device |
JP2002276607A (en) * | 2001-03-19 | 2002-09-25 | Kayaba Ind Co Ltd | Hydraulic control device |
-
1982
- 1982-12-28 JP JP19644282U patent/JPS59102666U/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002276608A (en) * | 2001-03-19 | 2002-09-25 | Kayaba Ind Co Ltd | Hydraulic control device |
JP2002276607A (en) * | 2001-03-19 | 2002-09-25 | Kayaba Ind Co Ltd | Hydraulic control device |
JP4548959B2 (en) * | 2001-03-19 | 2010-09-22 | カヤバ工業株式会社 | Hydraulic control device |
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