JPS59140375U - Working machine hydraulic circuit - Google Patents
Working machine hydraulic circuitInfo
- Publication number
- JPS59140375U JPS59140375U JP3404883U JP3404883U JPS59140375U JP S59140375 U JPS59140375 U JP S59140375U JP 3404883 U JP3404883 U JP 3404883U JP 3404883 U JP3404883 U JP 3404883U JP S59140375 U JPS59140375 U JP S59140375U
- Authority
- JP
- Japan
- Prior art keywords
- working machine
- hydraulic circuit
- actuators
- machine 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
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図は掘削用のフロント機構を取付けたクレーン兼用
油圧掘削機の概略構成の側面図、第２図はクレーンのブ
ームを取付けたクレーン兼用油圧掘削機の概略構成の側
面図、第３図はクレーン兼用油圧掘削機の油圧回路の系
統図、第４図は本考案の実施例に係るクレーン兼用掘削
機の油圧回路の系統図である。
７・・・・・・ブームシリンダ、８・・・・・・アーム
シリンダ、９・・・・・・パケットシリンダ、７ｃ、
Ｂｃ、 ｇｃ。
１７Ｃ，２１Ｇ、３０Ｇ・・・・・・コントロールバル
ブ、７Ｌ、８Ｌ、９Ｌ、１７Ｌ、２１Ｌ、３１Ｌ・・・
・・・操作レバー、７Ｖａ、 ７Ｖｂ、 ８Ｖａ、 ３
Ｖｂ、 ９Ｖａ。
９Ｖｂ、１７Ｖａ、１７Ｖｂ、２１Ｖａ、２１Ｖｂ。
３ＱＶａ、 ３Ｖｂ・・・・・・パイロットバルブ、
３１・・・・・・主油圧ポンプ、３３・・・・・・パイ
ロットポンプ、３６・・・・・・切換バルブ、Ｔａ、
Ｔｂ、 Ｔｃ・・・・・・管路。Figure 1 is a side view of the general configuration of a crane-cum-hydraulic excavator with a front mechanism for excavation attached, Figure 2 is a side view of the schematic configuration of the crane-cum-hydraulic excavator with a crane boom attached, and Figure 3 is a side view of the schematic configuration of the crane-cum-hydraulic excavator with a crane boom attached. Fig. 4 is a system diagram of a hydraulic circuit of a crane-cum-hydraulic excavator according to an embodiment of the present invention. 7...Boom cylinder, 8...Arm cylinder, 9...Packet cylinder, 7c,
Bc, gc. 17C, 21G, 30G... Control valve, 7L, 8L, 9L, 17L, 21L, 31L...
...Operation lever, 7Va, 7Vb, 8Va, 3
Vb, 9Va. 9Vb, 17Va, 17Vb, 21Va, 21Vb. 3QVa, 3Vb・・・Pilot valve,
31... Main hydraulic pump, 33... Pilot pump, 36... Switching valve, Ta,
Tb, Tc...Pipe line.
Claims (1)
これら複数のアクチュエータのうち並行した使用関係に
あるアクチュエータ毎に区分して同一区分内のアクチュ
エータの操作回路を共通に接続する管路と、これら管路
の１つを選択して油圧源に接続する切換弁とを設けたこ
とを特徴とする作業機械の油圧回路。 ２ 実用新案登録請求の範囲第１項において、前記操作
回路は、前記複数のアクチュエータの各方向切換弁をル
リ御するパイロット回路であることを特徴とする作業機
械の油圧回路。[Claims for Utility Model Registration] 1. In a working machine equipped with a plurality of actuators,
Among these multiple actuators, each actuator that is used in parallel is divided into conduits that commonly connect the operation circuits of the actuators in the same category, and one of these conduits is selected and connected to a hydraulic power source. A hydraulic circuit for a working machine, characterized by being provided with a switching valve. 2. Utility Model Registration Scope of Claim 1. The hydraulic circuit for a working machine according to claim 1, wherein the operating circuit is a pilot circuit that roughly controls each directional control valve of the plurality of actuators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3404883U JPS59140375U (en) | 1983-03-11 | 1983-03-11 | Working machine hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3404883U JPS59140375U (en) | 1983-03-11 | 1983-03-11 | Working machine hydraulic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59140375U true JPS59140375U (en) | 1984-09-19 |
Family
ID=30164816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3404883U Pending JPS59140375U (en) | 1983-03-11 | 1983-03-11 | Working machine hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59140375U (en) |
-
1983
- 1983-03-11 JP JP3404883U patent/JPS59140375U/en active Pending
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