JPS6295187U - - Google Patents
Info
- Publication number
- JPS6295187U JPS6295187U JP18604685U JP18604685U JPS6295187U JP S6295187 U JPS6295187 U JP S6295187U JP 18604685 U JP18604685 U JP 18604685U JP 18604685 U JP18604685 U JP 18604685U JP S6295187 U JPS6295187 U JP S6295187U
- Authority
- JP
- Japan
- Prior art keywords
- screw pump
- protrusions
- proximity switch
- certain level
- detection circuit
- 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
Description
第１図は本考案に係る保護装置の全体概略説明
図、第２図は検出部の詳細説明図、第３図は作動
回路の一例のブロツク線図、第４図は従来例を示
す説明図である。
１…スクリユーポンプ、２…ケーシング、３…
エンジン、４…変速機、５…軸継手、６…近接ス
イツチ、７…突起部、８…回転軸、９，１０…軸
受、１２…調整用ブラケツト、１３…リード線。
Fig. 1 is an overall schematic explanatory diagram of the protective device according to the present invention, Fig. 2 is a detailed explanatory diagram of the detection section, Fig. 3 is a block diagram of an example of the operating circuit, and Fig. 4 is an explanatory diagram showing a conventional example. It is. 1...screw pump, 2...casing, 3...
Engine, 4...Transmission, 5...Shaft coupling, 6...Proximity switch, 7...Protrusion, 8...Rotating shaft, 9, 10...Bearing, 12...Adjustment bracket, 13...Lead wire.
Claims (1)
軸の外周に適当数の突起部を等間隔で設け、該突
起部に対向して近接スイツチを設け、近接スイツ
チの信号をスクリユーポンプの回転数を常時検知
するための回路と、一定回転数以下になつたこと
を検出する回転低下検出回路とに与え出力リレー
回路により、ポンプが一定回転数以下になつたと
き警報装置の発動とエンジン運転回路の遮断とを
行わせるようにしたことを特徴とするスクリユー
ポンプの過負荷保護装置。 A suitable number of protrusions are provided at equal intervals on the outer periphery of the rotating shaft of the screw pump driven by the engine, and a proximity switch is provided opposite the protrusions, and a signal from the proximity switch is used to constantly control the rotational speed of the screw pump. An output relay circuit is applied to the detection circuit and the rotation drop detection circuit that detects when the rotation speed has fallen below a certain level.When the pump rotation speed falls below a certain level, the alarm device is activated and the engine operation circuit is shut off. An overload protection device for a screw pump, characterized in that the device is configured to perform the following steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18604685U JPS6295187U (en) | 1985-12-04 | 1985-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18604685U JPS6295187U (en) | 1985-12-04 | 1985-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6295187U true JPS6295187U (en) | 1987-06-17 |
Family
ID=31135245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18604685U Pending JPS6295187U (en) | 1985-12-04 | 1985-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6295187U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507203B2 (en) * | 1972-01-19 | 1975-03-24 | ||
| JPS5296076A (en) * | 1976-02-07 | 1977-08-12 | Ricoh Co Ltd | Rotational stop detector |
| JPS588952U (en) * | 1981-07-10 | 1983-01-20 | 富士通株式会社 | semiconductor equipment |
-
1985
- 1985-12-04 JP JP18604685U patent/JPS6295187U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507203B2 (en) * | 1972-01-19 | 1975-03-24 | ||
| JPS5296076A (en) * | 1976-02-07 | 1977-08-12 | Ricoh Co Ltd | Rotational stop detector |
| JPS588952U (en) * | 1981-07-10 | 1983-01-20 | 富士通株式会社 | semiconductor equipment |
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