JPH0196488U - - Google Patents
Info
- Publication number
- JPH0196488U JPH0196488U JP19005287U JP19005287U JPH0196488U JP H0196488 U JPH0196488 U JP H0196488U JP 19005287 U JP19005287 U JP 19005287U JP 19005287 U JP19005287 U JP 19005287U JP H0196488 U JPH0196488 U JP H0196488U
- Authority
- JP
- Japan
- Prior art keywords
- acceleration
- control means
- deceleration
- deceleration rate
- load swing
- 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
- 230000001133 acceleration Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control And Safety Of Cranes (AREA)
Description
第１図はこの考案の一実施例のブロツク図、第
２図は上記実施例の加減速率制御回路の制御信号
パターンを示す説明図、第３図は上記実施例の動
作を説明する説明図、第４図は従来例のブロツク
図、第５図は従来例の動作を説明する説明図であ
る。
１……ハンドル、２……速度基準発生回路、３
……加減速率制御回路、４……比較回路、５……
速度電流制御回路、６……位相制御回路、７……
サイリスタ変換器、８……直流モータ、９……直
流発電機、１０……電流検出回路、１１……荷振
れ検出回路、１２……加減速率補正回路、１３…
…ロープ角度検出器、１４……荷重検出器。
FIG. 1 is a block diagram of an embodiment of this invention, FIG. 2 is an explanatory diagram showing the control signal pattern of the acceleration/deceleration rate control circuit of the above embodiment, and FIG. 3 is an explanatory diagram illustrating the operation of the above embodiment. FIG. 4 is a block diagram of the conventional example, and FIG. 5 is an explanatory diagram illustrating the operation of the conventional example. 1...Handle, 2...Speed reference generation circuit, 3
... Acceleration/deceleration rate control circuit, 4... Comparison circuit, 5...
Speed current control circuit, 6... Phase control circuit, 7...
Thyristor converter, 8... DC motor, 9... DC generator, 10... Current detection circuit, 11... Load swing detection circuit, 12... Acceleration/deceleration rate correction circuit, 13...
...Rope angle detector, 14...Load detector.
Claims (1)
速度制御手段と、このモータ速度制御手段に対し
て所定の加減速運転パターンで加減速度指令信号
を与える加減速率制御手段と、荷物吊上げ時の初
期荷振れ角度の検出手段と、この初期荷振れ角度
に応じて前記加減速率制御手段の加減速度指令値
に対して振止めのための補正値を演算して付加す
る加減速率補正手段とを備えて成る荷役設備の荷
振れ防止装置。 A crane traverse motor, a speed control means for the traverse motor, an acceleration/deceleration rate control means for supplying an acceleration/deceleration command signal to the motor speed control means in a predetermined acceleration/deceleration operation pattern, and an initial load swing when lifting a load. Cargo handling comprising: angle detection means; and acceleration/deceleration rate correction means for calculating and adding a correction value for steadying to the acceleration/deceleration command value of the acceleration/deceleration rate control means according to the initial load swing angle. Equipment load swing prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19005287U JPH0196488U (en) | 1987-12-16 | 1987-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19005287U JPH0196488U (en) | 1987-12-16 | 1987-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0196488U true JPH0196488U (en) | 1989-06-27 |
Family
ID=31481053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19005287U Pending JPH0196488U (en) | 1987-12-16 | 1987-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0196488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020115956A1 (en) * | 2018-12-03 | 2020-06-11 | 株式会社日立産機システム | Crane and crane control method |
-
1987
- 1987-12-16 JP JP19005287U patent/JPH0196488U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020115956A1 (en) * | 2018-12-03 | 2020-06-11 | 株式会社日立産機システム | Crane and crane control method |
| JP2020090332A (en) * | 2018-12-03 | 2020-06-11 | 株式会社日立産機システム | Crane and crane control method |
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