JPS6087882U - Construction machinery hydraulic circuit - Google Patents
Construction machinery hydraulic circuitInfo
- Publication number
- JPS6087882U JPS6087882U JP18056583U JP18056583U JPS6087882U JP S6087882 U JPS6087882 U JP S6087882U JP 18056583 U JP18056583 U JP 18056583U JP 18056583 U JP18056583 U JP 18056583U JP S6087882 U JPS6087882 U JP S6087882U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- construction machinery
- hydraulic circuit
- crawler
- brake
- 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)
- Jib 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図はクローラ式建設機械の油圧回路の一従来例を示
す油圧回路図、第２図は同じく他の従来例を示す油圧回
路図、第３図は本考案の一実施例を示す油圧回路図であ
る。
３・・・・・・油圧モータ、４・・・・・・油圧シリン
ダー、５・・・・・・切換弁、６Ａ、６Ｂ・・・・・・
油圧配管、７・・曲油圧配管、８・・・・・・ブレーキ
、１３・・・・・・開閉弁。
第１図
第２図Fig. 1 is a hydraulic circuit diagram showing a conventional example of a hydraulic circuit for a crawler construction machine, Fig. 2 is a hydraulic circuit diagram showing another conventional example, and Fig. 3 is a hydraulic circuit showing an embodiment of the present invention. It is a diagram. 3...Hydraulic motor, 4...Hydraulic cylinder, 5...Switching valve, 6A, 6B...
Hydraulic piping, 7... Curved hydraulic piping, 8... Brake, 13... Open/close valve. Figure 1 Figure 2
Claims (1)
１．該走行用油圧配管と並列に、この油圧配管に圧油が
送り込まれている状態のときに前記走行用油圧モータの
制動用ブレーキを解除するブレーキ用油圧配管を設け、
該ブレーキ用油圧配管の途中にクローラの伸縮をクロー
ラ走行状態もしくはクローラ停止状態で実施するための
開閉弁を設けたことを特徴とする建設機械の油圧回路。Traveling hydraulic piping that drives the crawler traveling hydraulic motor; 1. A brake hydraulic pipe is provided in parallel with the travel hydraulic pipe to release the brake of the travel hydraulic motor when pressure oil is being fed into the hydraulic pipe,
A hydraulic circuit for construction machinery, characterized in that an opening/closing valve for extending and retracting the crawler while the crawler is running or stopped is provided in the middle of the brake hydraulic piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18056583U JPS6087882U (en) | 1983-11-22 | 1983-11-22 | Construction machinery hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18056583U JPS6087882U (en) | 1983-11-22 | 1983-11-22 | Construction machinery hydraulic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6087882U true JPS6087882U (en) | 1985-06-17 |
Family
ID=30391484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18056583U Pending JPS6087882U (en) | 1983-11-22 | 1983-11-22 | Construction machinery hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6087882U (en) |
-
1983
- 1983-11-22 JP JP18056583U patent/JPS6087882U/en active Pending
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