JPS63196480U - - Google Patents
Info
- Publication number
- JPS63196480U JPS63196480U JP8829087U JP8829087U JPS63196480U JP S63196480 U JPS63196480 U JP S63196480U JP 8829087 U JP8829087 U JP 8829087U JP 8829087 U JP8829087 U JP 8829087U JP S63196480 U JPS63196480 U JP S63196480U
- Authority
- JP
- Japan
- Prior art keywords
- pressure line
- discharge side
- hydraulic
- high pressure
- engine
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
図面はこの考案の実施例を示す油圧回路図であ
る。
１……エンジン、２……油圧ポンプ、３……高
圧ライン、４……アキユームレータ、５……低圧
ライン、６……タンク、７……ポンプ吐出側ライ
ン、８……ポンプ吸込側ライン、９……切換バル
ブ、１０……通路、１１……リリーフバルブ。
The drawing is a hydraulic circuit diagram showing an embodiment of this invention. 1... Engine, 2... Hydraulic pump, 3... High pressure line, 4... Accumulator, 5... Low pressure line, 6... Tank, 7... Pump discharge side line, 8... Pump suction side line , 9... switching valve, 10... passage, 11... relief valve.
Claims (1)
ユエータを作動させるエンジンにおいて、上記ア
クチユエータの高圧ラインに油圧を蓄えるアキユ
ームレータを設けると共に、定常運転時に油圧ポ
ンプの吐出側を高圧ラインに、吸込側をタンクに
継がる低圧ラインに接続し、エンジン始動時にポ
ンプ吐出側を低圧ラインに、吸込側を高圧ライン
に接続し、エンジン停止時にポンプ吐出側及び吸
込側と高圧ライン及び低圧ラインとの接続を遮断
するバルブ手段を設ける一方、油圧ポンプの吐出
側と吸込側を短絡する通路に吐出側の油圧が規定
値以上のときに開くリリーフバルブ手段を設けた
ことを特徴とする油圧駆動回路のエンジン始動装
置。 In an engine that drives a hydraulic pump and operates an actuator using its discharge pressure, an accumulator is provided to store hydraulic pressure in the high pressure line of the actuator, and during steady operation, the discharge side of the hydraulic pump is connected to the high pressure line and the suction side is connected to a tank. When the engine starts, connect the pump discharge side to the low pressure line and the suction side to the high pressure line, and when the engine stops, disconnect the pump discharge side and suction side from the high pressure line and the low pressure line. An engine starting device for a hydraulic drive circuit, characterized in that a valve means is provided, and a relief valve means is provided in a passage that short-circuits the discharge side and suction side of a hydraulic pump, which opens when the hydraulic pressure on the discharge side exceeds a specified value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8829087U JPS63196480U (en) | 1987-06-08 | 1987-06-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8829087U JPS63196480U (en) | 1987-06-08 | 1987-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63196480U true JPS63196480U (en) | 1988-12-16 |
Family
ID=30946271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8829087U Pending JPS63196480U (en) | 1987-06-08 | 1987-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63196480U (en) |
-
1987
- 1987-06-08 JP JP8829087U patent/JPS63196480U/ja active Pending
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