JPS649988U - - Google Patents
Info
- Publication number
- JPS649988U JPS649988U JP10547887U JP10547887U JPS649988U JP S649988 U JPS649988 U JP S649988U JP 10547887 U JP10547887 U JP 10547887U JP 10547887 U JP10547887 U JP 10547887U JP S649988 U JPS649988 U JP S649988U
- Authority
- JP
- Japan
- Prior art keywords
- swing motor
- inverter
- jib crane
- motor
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案のジブクレーンの旋回モータ制
御装置の１実施例である制御回路を示す図、第２
図はインバータ制御なしの場合と有りの場合との
周波数と電流の変化を説明するための図、第３図
はジブクレーンを説明するための概略図である。
１０……モータ駆動回路、１１……インバータ
制御回路、１２……電源、１３……旋回モータ、
ＳＷＬ……左旋回用スイツチ、ＳＷＲ……右旋回
用スイツチ、Ｒ，Ｌ……リレー、Ｒ１，Ｒ２，Ｒ
３，Ｌ１，Ｌ２，Ｌ３……常開接点、１５……イ
ンバータ切換スイツチ、１６……インバータ、１
７……補助リレー回路、Ｘ１，Ｘ２，Ｘ３，Ｘ４
……リレーおよびその接点、Ｕ１１，Ｖ１１，Ｗ
１１〜Ｕ１４，Ｖ１４，Ｗ１４……接続端子。
FIG. 1 is a diagram showing a control circuit which is one embodiment of the swing motor control device for a jib crane of the present invention, and FIG.
The figure is a diagram for explaining changes in frequency and current between cases without and with inverter control, and FIG. 3 is a schematic diagram for explaining a jib crane. 10...Motor drive circuit, 11...Inverter control circuit, 12...Power source, 13...Swivel motor,
SWL...Switch for left turn, SWR...Switch for right turn, R, L...Relay, R 1 , R 2 , R
3 , L 1 , L 2 , L 3 ... Normally open contact, 15 ... Inverter changeover switch, 16 ... Inverter, 1
7... Auxiliary relay circuit, X 1 , X 2 , X 3 , X 4
...Relay and its contacts, U 11 , V 11 , W
11 to U 14 , V 14 , W 14 ... connection terminals.
Claims (1)
逆転を切換えるモータ駆動回路と、前記旋回モー
タをインバータにより制御するインバータ制御回
路とを備えたことを特徴とするジブクレーンの旋
回モータ制御装置。 Forward rotation of the swing motor that swings the jib crane,
A swing motor control device for a jib crane, comprising: a motor drive circuit that switches reverse rotation; and an inverter control circuit that controls the swing motor using an inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10547887U JPS649988U (en) | 1987-07-09 | 1987-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10547887U JPS649988U (en) | 1987-07-09 | 1987-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649988U true JPS649988U (en) | 1989-01-19 |
Family
ID=31338127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10547887U Pending JPS649988U (en) | 1987-07-09 | 1987-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649988U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5882988A (en) * | 1981-11-12 | 1983-05-18 | 日立機電工業株式会社 | Controller for speed of crane |
-
1987
- 1987-07-09 JP JP10547887U patent/JPS649988U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5882988A (en) * | 1981-11-12 | 1983-05-18 | 日立機電工業株式会社 | Controller for speed of crane |