JPS61122286U - - Google Patents
Info
- Publication number
- JPS61122286U JPS61122286U JP534485U JP534485U JPS61122286U JP S61122286 U JPS61122286 U JP S61122286U JP 534485 U JP534485 U JP 534485U JP 534485 U JP534485 U JP 534485U JP S61122286 U JPS61122286 U JP S61122286U
- Authority
- JP
- Japan
- Prior art keywords
- crane
- detection means
- electromagnetic induction
- alarm
- jib
- 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
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図ａ，ｂはこの考案の一実施例を示すもの
で、第１図ａはインダクタンス形センサが取着さ
れたクレーンジブの外観斜視図、第１図ｂは同セ
ンサ周辺のブロツク構成図、第２図乃至第５図は
この考案の他の実施例を示すもので、第２図は発
信器が装着されるクレーンのクレーンジブの外観
斜視図、第３図は同発信器のブロツク構成図、第
４図は受信器（電磁誘導形センサ）が装着される
クレーンのクレーンジブの外観斜視図、第５図は
同受信器（電磁誘導形センサ）周辺のブロツク構
成図である。
１１，４１，５１……クレーンジブ、１４，１
４……インダクタンス形センサ、２１，６１……
コイル、２２，４３……発振回路、２５……異常
判定器、３０，７０……警報装置、４２……電路
、５２，５２……電磁誘導形センサ、６３……共
振回路、６６……レベル判定器。
Figures 1a and 1b show an embodiment of this invention; Figure 1a is an external perspective view of a crane jib to which an inductance type sensor is attached; Figure 1b is a block configuration diagram around the sensor; Figures 2 to 5 show other embodiments of this invention, in which Figure 2 is an external perspective view of a crane jib of a crane to which a transmitter is attached, Figure 3 is a block diagram of the transmitter, FIG. 4 is an external perspective view of a crane jib of a crane to which a receiver (electromagnetic induction sensor) is attached, and FIG. 5 is a block configuration diagram around the receiver (electromagnetic induction sensor). 11,41,51……Crane jib, 14,1
4...Inductance type sensor, 21, 61...
Coil, 22, 43... Oscillation circuit, 25... Abnormality determiner, 30, 70... Alarm device, 42... Electric circuit, 52, 52... Electromagnetic induction sensor, 63... Resonance circuit, 66... Level Judgment device.
Claims (1)
て、相手方クレーンの接近をインダクタンスの変
化または電磁誘導により検出する検出手段と、こ
の検出手段からの信号により警報を発する警報手
段とを具備することを特徴とするクレーン衝突防
止システム。 The detection means is arranged on the jib of the crane and includes a detection means for detecting the approach of the other crane by a change in inductance or electromagnetic induction, and an alarm means for issuing an alarm based on a signal from the detection means. Features crane collision prevention system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP534485U JPS61122286U (en) | 1985-01-21 | 1985-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP534485U JPS61122286U (en) | 1985-01-21 | 1985-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61122286U true JPS61122286U (en) | 1986-08-01 |
Family
ID=30481765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP534485U Pending JPS61122286U (en) | 1985-01-21 | 1985-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61122286U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211307U (en) * | 1975-07-14 | 1977-01-26 | ||
| JPS5820290B2 (en) * | 1978-10-09 | 1983-04-22 | 株式会社日立製作所 | Strainer cleaning method and device |
-
1985
- 1985-01-21 JP JP534485U patent/JPS61122286U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211307U (en) * | 1975-07-14 | 1977-01-26 | ||
| JPS5820290B2 (en) * | 1978-10-09 | 1983-04-22 | 株式会社日立製作所 | Strainer cleaning method and device |
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