JPS58132460U - Tower crane intercommunication device - Google Patents
Tower crane intercommunication deviceInfo
- Publication number
- JPS58132460U JPS58132460U JP2721782U JP2721782U JPS58132460U JP S58132460 U JPS58132460 U JP S58132460U JP 2721782 U JP2721782 U JP 2721782U JP 2721782 U JP2721782 U JP 2721782U JP S58132460 U JPS58132460 U JP S58132460U
- Authority
- JP
- Japan
- Prior art keywords
- tower crane
- communication device
- interconnection
- mutual
- mutual coupling
- 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
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (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図はタワークレーン用通信装置の説明図、第２図は
タワークレーン相互通信装置の電気回路図である。
１・・・タワークレーン、１２・・・通信線、１５・・
・送話器、１６・・・送話結合変圧器、１８・・・受話
器、１９・・・受信結合変圧器、２１・・・相互結合変
圧器、２ ｌＡＳ、 ２１Ｂｓ、 ２１Ｃ３・・・
入出力部、２３・・・開閉スイッチ、Ｍ・・・主接点、
ＡＵＸ・・・補助す接点、１０１、ｌ０ＩＡ・・・相互
連絡線。FIG. 1 is an explanatory diagram of a tower crane communication device, and FIG. 2 is an electric circuit diagram of the tower crane mutual communication device. 1... Tower crane, 12... Communication line, 15...
- Transmitter, 16... Sending coupling transformer, 18... Receiver, 19... Receiving coupling transformer, 21... Mutual coupling transformer, 2 lAS, 21Bs, 21C3...
Input/output section, 23... Open/close switch, M... Main contact,
AUX...Auxiliary contact, 101, l0IA...Interconnection line.
Claims (3)
なる複数のタワークレーン用通信装置の相互通信装置に
おいて、各タワークレーン用通信機に直列接続された相
互結合回路、及び異なるタワークレーン用通信装置の相
互結合回路の入出力部を直列に接続する相互連絡線を備
えてなるタワークレーン相互通信装置。(1) In a mutual communication device for a plurality of tower crane communication devices each having a transmitting/receiving circuit connected in series to a DC communication device, a mutual coupling circuit connected in series to each tower crane communication device, and a mutual coupling circuit for a different tower crane. A tower crane intercommunication device comprising an interconnection line that serially connects the input and output parts of the interconnection circuit of the communication device.
置において、上記相互連絡線と上記相互結合回路との直
列接続を開閉するスイッチを各タワークレーン用通信装
置に設けてなることを特徴とする相互通信装置。(2) Utility Model Registration The mutual communication device according to claim 1, characterized in that each tower crane communication device is provided with a switch for opening and closing the series connection between the interconnection line and the mutual coupling circuit. Intercommunication device.
置において、上記相互連絡線の出端と上記相互結合回路
入出力部との間の直列接続を開閉する主接点及び上記相
互連絡線の大端と上記相互結合回路入出力部との間の接
続を開閉するｂ接点を有する開閉スイッチを各タワーク
レーン用通信装置を設けてなることを特徴とする相互通
信装置。(3) Scope of Utility Model Registration In the interconnection device according to claim 1, there is provided a main contact for opening and closing the series connection between the output end of the interconnection line and the input/output section of the interconnection circuit, and the interconnection line. An mutual communication device characterized in that each tower crane communication device is provided with an open/close switch having a b contact for opening and closing the connection between the big end of the tower crane and the input/output section of the mutual coupling circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2721782U JPS58132460U (en) | 1982-03-01 | 1982-03-01 | Tower crane intercommunication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2721782U JPS58132460U (en) | 1982-03-01 | 1982-03-01 | Tower crane intercommunication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58132460U true JPS58132460U (en) | 1983-09-07 |
Family
ID=30039134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2721782U Pending JPS58132460U (en) | 1982-03-01 | 1982-03-01 | Tower crane intercommunication device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132460U (en) |
-
1982
- 1982-03-01 JP JP2721782U patent/JPS58132460U/en active Pending
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