JPS6420501U - - Google Patents
Info
- Publication number
- JPS6420501U JPS6420501U JP11457687U JP11457687U JPS6420501U JP S6420501 U JPS6420501 U JP S6420501U JP 11457687 U JP11457687 U JP 11457687U JP 11457687 U JP11457687 U JP 11457687U JP S6420501 U JPS6420501 U JP S6420501U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- power unit
- hydraulic power
- piping
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案の実施例を示す油圧回路図、第
２図は従来の一例を示す回路図である。
１…油圧パワーユニツト、２…電動機、３，４
，５，６…油圧ポンプ、７，８，９，１０…吐出
側配管、１１，１２，１３，１４…チエツク弁、
１８…自動車エンジン、１９，２０，２１…油圧
ポンプ、２２，２３，２４…吐出側配管、２８，
２９，３０…配管、３１，３２，３３…チエツク
弁、３６…油タンク、Ａ…コンクリートポンプ制
御弁。
FIG. 1 is a hydraulic circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional example. 1... Hydraulic power unit, 2... Electric motor, 3, 4
, 5, 6... Hydraulic pump, 7, 8, 9, 10... Discharge side piping, 11, 12, 13, 14... Check valve,
18...Automobile engine, 19,20,21...Hydraulic pump, 22,23,24...Discharge side piping, 28,
29, 30... Piping, 31, 32, 33... Check valve, 36... Oil tank, A... Concrete pump control valve.
Claims (1)
駆動される油圧ポンプの吐出側配管を該油圧パワ
ーユニツトの吐出口に接続してその途中にチエツ
ク弁を設けると共に、自動車エンジンにより駆動
される油圧ポンプの吐出側配管を、上記油圧パワ
ーユニツト内の上記電動機側油圧ポンプの吐出側
配管にチエツク弁を介して接続し、且つ上記いず
れの油圧ポンプも吸入側を１つの油タンクに接続
し、更に、上記吐出口をコンクリートポンプ制御
弁に接続したことを特徴とするコンクリートポン
プ駆動装置。 The discharge side piping of the hydraulic pump driven by the electric motor installed in the hydraulic power unit is connected to the discharge port of the hydraulic power unit, and a check valve is provided in the middle, and the discharge side of the hydraulic pump driven by the automobile engine is connected to the discharge port of the hydraulic power unit. The piping is connected to the discharge side piping of the electric motor-side hydraulic pump in the hydraulic power unit via a check valve, and the suction side of each of the hydraulic pumps is connected to one oil tank, and furthermore, the suction side of each of the hydraulic pumps is connected to one oil tank, and A concrete pump drive device, characterized in that: is connected to a concrete pump control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11457687U JPS6420501U (en) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11457687U JPS6420501U (en) | 1987-07-28 | 1987-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6420501U true JPS6420501U (en) | 1989-02-01 |
Family
ID=31355449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11457687U Pending JPS6420501U (en) | 1987-07-28 | 1987-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6420501U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817921U (en) * | 1981-07-27 | 1983-02-03 | 重水 昭彦 | Hydraulic cutting machine for demolition of structures, etc. |
-
1987
- 1987-07-28 JP JP11457687U patent/JPS6420501U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817921U (en) * | 1981-07-27 | 1983-02-03 | 重水 昭彦 | Hydraulic cutting machine for demolition of structures, etc. |
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