JPH027376U - - Google Patents
Info
- Publication number
- JPH027376U JPH027376U JP8655988U JP8655988U JPH027376U JP H027376 U JPH027376 U JP H027376U JP 8655988 U JP8655988 U JP 8655988U JP 8655988 U JP8655988 U JP 8655988U JP H027376 U JPH027376 U JP H027376U
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- concrete
- pipe
- oil pump
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案の実施例を示す概略図、第２図
は従来方式の一例を示す概略図、第３図は傾転方
向を切り換えるときの作動波形を示す図である。
１，２……主油圧シリンダ、３，４……コンク
リートシリンダ、５……密封回路、８……両傾転
油ポンプ、１８……サーボバルブ、１９……アク
チユエータ、２０……油ポンプ、２１……管路、
２２……アキユムレータ。
FIG. 1 is a schematic diagram showing an embodiment of the present invention, FIG. 2 is a schematic diagram showing an example of a conventional method, and FIG. 3 is a diagram showing operating waveforms when switching the tilting direction. 1, 2... Main hydraulic cylinder, 3, 4... Concrete cylinder, 5... Sealed circuit, 8... Double tilting oil pump, 18... Servo valve, 19... Actuator, 20... Oil pump, 21 ...Pipeline,
22...Akiyumureta.
Claims (1)
リートの吸入吐出を行わせるようにする２本の主
油圧シリンダに両傾転油ポンプを主管路を介し接
続してクローズ回路とし、上記両傾転油ポンプの
傾転方向を切り換えるためのアクチユエータと、
該アクチユエータの作動方向を切り換えるサーボ
バルブを通して上記アクチユエータに圧油を供給
する油ポンプとを管路で接続し、該管路の途中に
アキユムレータを設けてなることを特徴とするコ
ンクリートポンプの切換装置。 A double tilting oil pump is connected to the two main hydraulic cylinders through the main pipe line to make the concrete cylinders reciprocate to suck and discharge concrete, forming a closed circuit. an actuator for switching the direction;
A switching device for a concrete pump, characterized in that an oil pump that supplies pressure oil to the actuator through a servo valve that switches the operating direction of the actuator is connected by a pipe, and an accumulator is provided in the middle of the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8655988U JPH027376U (en) | 1988-06-29 | 1988-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8655988U JPH027376U (en) | 1988-06-29 | 1988-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027376U true JPH027376U (en) | 1990-01-18 |
Family
ID=31311198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8655988U Pending JPH027376U (en) | 1988-06-29 | 1988-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027376U (en) |
-
1988
- 1988-06-29 JP JP8655988U patent/JPH027376U/ja active Pending
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