JPH0199894U - - Google Patents
Info
- Publication number
- JPH0199894U JPH0199894U JP19435687U JP19435687U JPH0199894U JP H0199894 U JPH0199894 U JP H0199894U JP 19435687 U JP19435687 U JP 19435687U JP 19435687 U JP19435687 U JP 19435687U JP H0199894 U JPH0199894 U JP H0199894U
- Authority
- JP
- Japan
- Prior art keywords
- operation command
- emergency
- command
- motor drive
- control 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
- Control And Safety Of Cranes (AREA)
Description
第１図はこの考案の実施例を示す回路図、第２
図は従来の制御回路を示す回路図である。
図において、１……運転押ボタン、２……補助
リレー、３……非常用クレーンモータ駆動用リレ
ー、５……ブレーキ開放用リレー。なお、図中、
同一符号は同一または相当部分を示す。
Figure 1 is a circuit diagram showing an embodiment of this invention, Figure 2 is a circuit diagram showing an embodiment of this invention.
The figure is a circuit diagram showing a conventional control circuit. In the figure, 1...operation push button, 2...auxiliary relay, 3...emergency crane motor drive relay, 5...brake release relay. In addition, in the figure,
The same reference numerals indicate the same or equivalent parts.
Claims (1)
勢される非常用クレーンモータ駆動用リレーの接
点が動作したことをアンド条件として、ブレーキ
開放指令が作成されることを特徴とする非常用ク
レーンの制御回路。 An emergency crane characterized in that a brake release command is created on the AND condition that an operation command is generated and a contact point of an emergency crane motor drive relay energized by the operation command is operated. control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19435687U JPH0199894U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19435687U JPH0199894U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0199894U true JPH0199894U (en) | 1989-07-04 |
Family
ID=31485087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19435687U Pending JPH0199894U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0199894U (en) |
-
1987
- 1987-12-21 JP JP19435687U patent/JPH0199894U/ja active Pending