JPS5969262U - Construction machinery hydraulic system - Google Patents
Construction machinery hydraulic systemInfo
- Publication number
- JPS5969262U JPS5969262U JP16609382U JP16609382U JPS5969262U JP S5969262 U JPS5969262 U JP S5969262U JP 16609382 U JP16609382 U JP 16609382U JP 16609382 U JP16609382 U JP 16609382U JP S5969262 U JPS5969262 U JP S5969262U
- Authority
- JP
- Japan
- Prior art keywords
- swing
- control valve
- hydraulic system
- hydraulic control
- construction machinery
- 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)
- Control And Safety Of Cranes (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図は従来構造を示す油圧回路図、第２図は本考案の
構造を示す油圧回路図、第３図は本考案選択切り換え弁
を装備した建設機械の運転席の概略平面図である。
１１・・・スイング用油圧シリンダ、１２・・・標準作
業用油圧コントロールバルブ、１５・・・スイング用油
圧コントロールバルブ、１７・・・選択切り換え弁、２
１・・・特殊アタッチメント用アクチュエータ。FIG. 1 is a hydraulic circuit diagram showing a conventional structure, FIG. 2 is a hydraulic circuit diagram showing a structure according to the present invention, and FIG. 3 is a schematic plan view of a driver's seat of a construction machine equipped with a selection switching valve according to the present invention. 11... Hydraulic cylinder for swing, 12... Hydraulic control valve for standard work, 15... Hydraulic control valve for swing, 17... Selection switching valve, 2
1...Actuator for special attachment.
Claims (1)
イング用油圧コントロールバルブ、及び、その他標準作
業機の各部を操作する標準作業用油圧コントロールバル
ブを備えた油圧装置において、前記スイング用油圧コン
トロールバルブからスイング用アクチュエータへ行く回
路の途中に、該スイング油圧コントロールバルブからの
油圧を前記スイング用アクチュエータと特殊アタッチメ
ント用アクチュエータへ選択的に供給する選択切り換え
弁を設けたことを特徴とする建設機械の油圧装置。In a hydraulic system equipped with a swing hydraulic control valve that swings a work machine that is standard equipment on the machine to the left and right, and a standard work hydraulic control valve that operates each part of the standard work machine, from the swing hydraulic control valve A hydraulic system for construction machinery, characterized in that a selection switching valve is provided in the middle of a circuit going to a swing actuator to selectively supply hydraulic pressure from the swing hydraulic control valve to the swing actuator and the special attachment actuator. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16609382U JPS5969262U (en) | 1982-11-01 | 1982-11-01 | Construction machinery hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16609382U JPS5969262U (en) | 1982-11-01 | 1982-11-01 | Construction machinery hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5969262U true JPS5969262U (en) | 1984-05-10 |
Family
ID=30363709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16609382U Pending JPS5969262U (en) | 1982-11-01 | 1982-11-01 | Construction machinery hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5969262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002128475A (en) * | 2000-10-23 | 2002-05-09 | Daiki Shoji Kk | Wire rope winder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102101A (en) * | 1974-01-16 | 1975-08-13 | ||
| JPS5116687A (en) * | 1974-05-20 | 1976-02-10 | Lilly Co Eli | Deruta3 sefuarosuhorinesuteruno seiho |
-
1982
- 1982-11-01 JP JP16609382U patent/JPS5969262U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102101A (en) * | 1974-01-16 | 1975-08-13 | ||
| JPS5116687A (en) * | 1974-05-20 | 1976-02-10 | Lilly Co Eli | Deruta3 sefuarosuhorinesuteruno seiho |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002128475A (en) * | 2000-10-23 | 2002-05-09 | Daiki Shoji Kk | Wire rope winder |
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