Road collapse sensor
The utility model relates to the technical field of sensors, in particular to a road collapse sensor which comprises a protective shell, a protective tube is fixedly connected to the surface of the protective shell, a threaded cap is detachably connected to the top of the protective tube, a limiting...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of sensors, in particular to a road collapse sensor which comprises a protective shell, a protective tube is fixedly connected to the surface of the protective shell, a threaded cap is detachably connected to the top of the protective tube, a limiting baffle ring is fixedly connected to the inner wall of the protective tube, a pull ring is arranged at the upper end of the limiting baffle ring, and the pull ring is detachably connected with the threaded cap. The lower end of the pull ring is fixedly connected with a traction rope, and the traction rope movably penetrates through the surface of the limiting baffle ring. The monitoring assembly is installed in the protective shell, and a magnetic bar is inserted into the monitoring assembly; the reset assembly is mounted at the lower end of the magnetic bar; according to the utility model, the problems that whether the magnetoresistive sensor is damaged in a long-time standby state or not cannot be determined, and |
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