JPS61178787U - - Google Patents
Info
- Publication number
- JPS61178787U JPS61178787U JP6153285U JP6153285U JPS61178787U JP S61178787 U JPS61178787 U JP S61178787U JP 6153285 U JP6153285 U JP 6153285U JP 6153285 U JP6153285 U JP 6153285U JP S61178787 U JPS61178787 U JP S61178787U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- discharge line
- pilot
- oil discharge
- 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.)
- Granted
Links
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
図は本考案に係る油圧回路図である。
７は油圧モータ、８，９は圧油供給ライン、１
７はハーフ作動用バルブ、２１はリリーフ弁、２
６は油タンク、２８はクラツチシリンダ、２９は
電磁弁、３０は解放的バルブ、３１はシヤフト弁
を示す。
The figure is a hydraulic circuit diagram according to the present invention. 7 is a hydraulic motor, 8 and 9 are pressure oil supply lines, 1
7 is a half-operation valve, 21 is a relief valve, 2
6 is an oil tank, 28 is a clutch cylinder, 29 is a solenoid valve, 30 is a release valve, and 31 is a shaft valve.
Claims (1)
に外部パイロツト式リリーフ弁及びシヤトル弁を
設け、パイロツト用圧油吐出ラインを比例減圧弁
に接続し、該比例減圧弁のパイロツト出力ライン
及び前記圧油吐出ラインをそれぞれ切換弁を介し
て前記リリーフ弁に接続し、該切換弁の位置によ
り圧油吐出ラインからの油圧又比例減圧弁からの
出力油圧を前記リリーフ弁の外部パイロツト圧と
して作用させる様にすると共に圧油吐出ラインに
クラツチシリンダを接続し接続途中にハイドロバ
ルブを設け、該ハイドロバルブに前記シヤフトル
弁よりパイロツト圧を導びく様にすると共にクラ
ツチシリンダと油タンクをハイドロバルブを介し
て接続したことを特徴とする建設機械等の油圧回
路。 An external pilot relief valve and a shuttle valve are provided between the two pressure oil supply lines connected to the hydraulic motor, and the pilot pressure oil discharge line is connected to a proportional pressure reducing valve, and the pilot output line of the proportional pressure reducing valve and the pressure Each oil discharge line is connected to the relief valve via a switching valve, and depending on the position of the switching valve, the hydraulic pressure from the pressure oil discharge line or the output hydraulic pressure from the proportional pressure reducing valve is made to act as external pilot pressure for the relief valve. At the same time, a clutch cylinder is connected to the pressure oil discharge line, a hydro valve is provided in the middle of the connection, pilot pressure is guided from the shaft valve to the hydro valve, and the clutch cylinder and oil tank are connected via the hydro valve. Hydraulic circuits for construction machinery, etc., characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6153285U JPH0144554Y2 (en) | 1985-04-24 | 1985-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6153285U JPH0144554Y2 (en) | 1985-04-24 | 1985-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61178787U true JPS61178787U (en) | 1986-11-07 |
| JPH0144554Y2 JPH0144554Y2 (en) | 1989-12-22 |
Family
ID=30589897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6153285U Expired JPH0144554Y2 (en) | 1985-04-24 | 1985-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0144554Y2 (en) |
-
1985
- 1985-04-24 JP JP6153285U patent/JPH0144554Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0144554Y2 (en) | 1989-12-22 |