JPS5552812A - Safety device for conveyor belt - Google Patents
Safety device for conveyor beltInfo
- Publication number
- JPS5552812A JPS5552812A JP12443678A JP12443678A JPS5552812A JP S5552812 A JPS5552812 A JP S5552812A JP 12443678 A JP12443678 A JP 12443678A JP 12443678 A JP12443678 A JP 12443678A JP S5552812 A JPS5552812 A JP S5552812A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- belt
- conveyor belt
- sensor
- output
- 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.)
- Granted
Links
Landscapes
- Control Of Conveyors (AREA)
Abstract
PURPOSE: To detect abnormal conditions such as a longitudinal tear of a conveyor belt and a slip-off at a joint portion and to prevent accidents due to such troubles by embedding a reference signal member in an adequate portion of the conveyor belt.
CONSTITUTION: First, second,...detection signal members 5 are embedded in a conveyor belt 4 at predetermined intervals, and a reference signal member 6 is embedded in front of the first signal member 5. Close to the belt 4 is arranged a signal sensor 7, of which the output is transmitted to a detector 8. The sensor 7 is split along the width of the belt 4 into three parts, for example, and signals aWc are transmitted to a peak value measuring circuit 13 through an amplifier circuit 12 when the signal member 5 has passed by the sensor 7. The output of the circuit 13 is stored in a memory circuit 15; similar outputs corresponding to the second or later runs of the belt 4 are compared with the memorized output in a comparison circuit 16, and alarm circuit 17 is operated on the occurrence of an abnormal condition.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12443678A JPS5837209B2 (en) | 1978-10-09 | 1978-10-09 | conveyor belt safety device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12443678A JPS5837209B2 (en) | 1978-10-09 | 1978-10-09 | conveyor belt safety device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5552812A true JPS5552812A (en) | 1980-04-17 |
JPS5837209B2 JPS5837209B2 (en) | 1983-08-15 |
Family
ID=14885437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12443678A Expired JPS5837209B2 (en) | 1978-10-09 | 1978-10-09 | conveyor belt safety device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5837209B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03288712A (en) * | 1990-03-31 | 1991-12-18 | Tokai Rubber Ind Ltd | Detector of vertical split for conveyor belt |
CN101746598A (en) * | 2008-12-01 | 2010-06-23 | 马彪 | Belt conveyer anti-tear device based on RF technology |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02112304A (en) * | 1988-10-21 | 1990-04-25 | Nec Corp | Developing rib antenna |
-
1978
- 1978-10-09 JP JP12443678A patent/JPS5837209B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03288712A (en) * | 1990-03-31 | 1991-12-18 | Tokai Rubber Ind Ltd | Detector of vertical split for conveyor belt |
CN101746598A (en) * | 2008-12-01 | 2010-06-23 | 马彪 | Belt conveyer anti-tear device based on RF technology |
Also Published As
Publication number | Publication date |
---|---|
JPS5837209B2 (en) | 1983-08-15 |
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