JPS6164503U - - Google Patents
Info
- Publication number
- JPS6164503U JPS6164503U JP15044284U JP15044284U JPS6164503U JP S6164503 U JPS6164503 U JP S6164503U JP 15044284 U JP15044284 U JP 15044284U JP 15044284 U JP15044284 U JP 15044284U JP S6164503 U JPS6164503 U JP S6164503U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- oil passage
- port side
- operating parts
- pump
- 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
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 4
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は油圧回路を示す断面図、第２図はバツ
クホーの正面図である。
１７…油圧ポンプ、１８…作動油タンク、２０
…吸込み口、２１…吐出し口、２３…切換弁、２
４…油圧シリンダ、３０…バイパス油路、３１…
開閉弁、ａ…作動油。
FIG. 1 is a sectional view showing the hydraulic circuit, and FIG. 2 is a front view of the backhoe. 17... Hydraulic pump, 18... Hydraulic oil tank, 20
...Suction port, 21...Discharge port, 23...Switching valve, 2
4...Hydraulic cylinder, 30...Bypass oil path, 31...
Opening/closing valve, a... Hydraulic oil.
Claims (1)
を吐出する油圧ポンプと油圧シリンダ、油圧モー
タなどの油圧作動部を切換弁を介して油路によつ
て連結し、前記油圧ポンプの吐出し口側と油圧ポ
ンプの吸込み口側又は前記作動油タンク間を連結
するバイパス油路を形成するとともにこのバイパ
ス油路に開閉弁を設けたことを特徴とする油圧駆
動作業機の油圧回路。 A hydraulic pump that is driven by a prime mover and discharges hydraulic oil from a hydraulic oil tank, and hydraulic operating parts such as a hydraulic cylinder and a hydraulic motor are connected by an oil passage through a switching valve, and the discharge port side of the hydraulic pump is connected to the hydraulic operating parts such as a hydraulic cylinder and a hydraulic motor. A hydraulic circuit for a hydraulically driven working machine, characterized in that a bypass oil passage is formed that connects the suction port side of a hydraulic pump or the hydraulic oil tank, and an on-off valve is provided in the bypass oil passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15044284U JPS6164503U (en) | 1984-10-03 | 1984-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15044284U JPS6164503U (en) | 1984-10-03 | 1984-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6164503U true JPS6164503U (en) | 1986-05-01 |
Family
ID=30708586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15044284U Pending JPS6164503U (en) | 1984-10-03 | 1984-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6164503U (en) |
-
1984
- 1984-10-03 JP JP15044284U patent/JPS6164503U/ja active Pending
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