JPH0440023U - - Google Patents
Info
- Publication number
- JPH0440023U JPH0440023U JP8216590U JP8216590U JPH0440023U JP H0440023 U JPH0440023 U JP H0440023U JP 8216590 U JP8216590 U JP 8216590U JP 8216590 U JP8216590 U JP 8216590U JP H0440023 U JPH0440023 U JP H0440023U
- Authority
- JP
- Japan
- Prior art keywords
- belt
- outputs
- resistor
- displacement
- current
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Control Of Conveyors (AREA)
Description
図は本発明の一実施例を示すものであり、第１
図はその全体を示す縦断面図、第２図は検出抵抗
器の縦断面図、第３図は回路図であり、第４図イ
，ロはベルト縦裂き時のベルトを示す状態図であ
る。
１……ベルト、２ａ，２ｂ……タツチローラ、
４ａ，４ｂ……バネ支持軸、５……引張りバネ、
６ａ，６ｂ……可動軸、７……検出抵抗器、９…
…導体、１０……抵抗体、１１，１２……絶縁部
、１４……リレーユニツト、１５……可変抵抗器
、１６……比較回路、１７……増幅回路、１９…
…リレー回路。
The figure shows one embodiment of the present invention.
The figure is a longitudinal cross-sectional view showing the whole, Fig. 2 is a longitudinal cross-sectional view of the detection resistor, Fig. 3 is a circuit diagram, and Fig. 4 A and B are state diagrams showing the belt when it is longitudinally torn. . 1...Belt, 2a, 2b...Tatsuchirolla,
4a, 4b... Spring support shaft, 5... Tension spring,
6a, 6b...Movable axis, 7...Detection resistor, 9...
...Conductor, 10...Resistor, 11, 12...Insulating section, 14...Relay unit, 15...Variable resistor, 16...Comparison circuit, 17...Amplification circuit, 19...
...Relay circuit.
Claims (1)
従してベルト幅方向に変位する変位体と、 該変位体の変位による電気的な抵抗値の変化を
検出する検出抵抗器と、 ベルト正常時の該検出抵抗器からの電流と同一
の設定電流を出力する可変抵抗器と、 該可変抵抗器からの設定電流と前記検出抵抗器
からの検出電流とを比較して、ベルトの縦裂きの
検出信号を出力する比較回路と を備えてなることを特徴とするベルトコンベアの
ベルト縦裂き検出装置。[Claims for Utility Model Registration] A displacement body that displaces in the width direction of the belt following the displacement in the width direction of the belt torn in the conveyance direction, and a change in electrical resistance value due to the displacement of the displacement body is detected. A detection resistor, a variable resistor that outputs the same set current as the current from the detection resistor when the belt is normal, and a comparison between the set current from the variable resistor and the detected current from the detection resistor. 1. A belt conveyor belt tear detection device comprising: a comparison circuit that outputs a belt tear detection signal; and a comparison circuit that outputs a belt tear detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8216590U JPH0440023U (en) | 1990-08-03 | 1990-08-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8216590U JPH0440023U (en) | 1990-08-03 | 1990-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0440023U true JPH0440023U (en) | 1992-04-06 |
Family
ID=31628730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8216590U Pending JPH0440023U (en) | 1990-08-03 | 1990-08-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012046328A (en) * | 2010-08-27 | 2012-03-08 | Jfe Steel Corp | Detector for vertical-split of conveyor belt |
-
1990
- 1990-08-03 JP JP8216590U patent/JPH0440023U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012046328A (en) * | 2010-08-27 | 2012-03-08 | Jfe Steel Corp | Detector for vertical-split of conveyor belt |