JPS5877157U - Concrete pump operation control device - Google Patents
Concrete pump operation control deviceInfo
- Publication number
- JPS5877157U JPS5877157U JP17250281U JP17250281U JPS5877157U JP S5877157 U JPS5877157 U JP S5877157U JP 17250281 U JP17250281 U JP 17250281U JP 17250281 U JP17250281 U JP 17250281U JP S5877157 U JPS5877157 U JP S5877157U
- Authority
- JP
- Japan
- Prior art keywords
- concrete pump
- control device
- pressure oil
- operation control
- 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.)
- Granted
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のコンクリートポンプにおいてサージ圧が
発生する状況を示す説明図、第２図及び第３図はいずれ
もコンクリートポンプの吐出サイクルを示す説明図、第
４図は本考案の装置により切換運転される１蓮転方法の
吐出サイクルを示す説明図、第５図は本考案の装置の実
施例を示す回路図である。Figure 1 is an explanatory diagram showing the situation in which surge pressure is generated in a conventional concrete pump, Figures 2 and 3 are explanatory diagrams showing the discharge cycle of a concrete pump, and Figure 4 is an explanatory diagram showing the situation in which surge pressure is generated in a conventional concrete pump. FIG. 5 is an explanatory diagram showing the discharge cycle of the one-lot rotation method operated, and FIG. 5 is a circuit diagram showing an embodiment of the apparatus of the present invention.
Claims (1)
する可変容量油圧ポンプを備えると共にピストンの往復
移動により上記ポンプの吐出方向を切換える傾転変更用
シリンダを備え、該シリンダの両側の室に圧油を供給す
るラインの途中に切換弁を設け、且つ該切換弁を切換え
る電磁弁を備え、又上記ラインの途中に圧油の流量制御
装置を備え、更に上記電磁弁を励磁させて該電磁弁を切
換作動させるリミットスイッチを、上記油圧シリンダの
ストロークエンドとその近傍に２組設け−たことを特徴
とするコンクリートポンプ運転制御装置。The concrete pump is equipped with a variable capacity hydraulic pump that supplies pressure oil to the hydraulic cylinder for operation of the concrete pump, and a tilt change cylinder that switches the discharge direction of the pump by reciprocating the piston, and supplies pressure oil to chambers on both sides of the cylinder. A switching valve is provided in the middle of the supply line, and a solenoid valve is provided to switch the switching valve, and a pressure oil flow rate control device is provided in the middle of the line, and the solenoid valve is further excited to switch the solenoid valve. A concrete pump operation control device characterized in that two sets of limit switches to be operated are provided at the stroke end of the hydraulic cylinder and in the vicinity thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17250281U JPS5877157U (en) | 1981-11-19 | 1981-11-19 | Concrete pump operation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17250281U JPS5877157U (en) | 1981-11-19 | 1981-11-19 | Concrete pump operation control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877157U true JPS5877157U (en) | 1983-05-25 |
| JPS6214386Y2 JPS6214386Y2 (en) | 1987-04-13 |
Family
ID=29964399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17250281U Granted JPS5877157U (en) | 1981-11-19 | 1981-11-19 | Concrete pump operation control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH027378U (en) * | 1988-06-29 | 1990-01-18 | ||
| JPH0218662U (en) * | 1988-07-15 | 1990-02-07 |
-
1981
- 1981-11-19 JP JP17250281U patent/JPS5877157U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH027378U (en) * | 1988-06-29 | 1990-01-18 | ||
| JPH0218662U (en) * | 1988-07-15 | 1990-02-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6214386Y2 (en) | 1987-04-13 |
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