Safety warning device of well lid

Abstract

The invention discloses a safety warning device of a well lid. The safety warning device is installed in an inspection well and at least comprises a safety prompting device. The safety prompting device comprises a device body, a coil spring, a coiled strip, a fixed ring and a warning label, wherein the fixed ring is installed in the device body in a rotatable mode, the coil spring is installed in the fixed ring, one end of the coil spring is connected with the fixed ring, the other end of the coil spring is fixed to the device body, one end of the coiled strip is connected with the fixed ring, and the warning label is installed at the other end of the coiled strip. The fixed ring is rotated so that the coil spring can store energy and the coiled strip can be contained in the device body, the well lid is installed on the inspection well, and the warning label abuts against the well lid. The safety warning device can prompt abnormal information of the well lid in time and can transmit the abnormal information of the well lid to a remote device in time.

Description

Technical field [0001] The invention relates to a safety warning device for a well cover. Background technique [0002] Manhole covers are usually used to cover deep wells under roads to prevent people or objects from falling. Manhole covers are usually metal manhole covers, generally round, used for green belts, sidewalks, motor vehicle lanes, docks and alleys. [0003] However, when the manhole cover is installed on the road, it is damaged or displaced due to accidents such as vehicle rolling, flooding, or may be lost due to theft, etc., posing a greater risk to passing pedestrians and vehicles, especially at night. High, and the manhole cover is abnormally difficult to be found in time, making the danger continue. [0004] In view of this, there is a need for a safety warning device for manhole cover abnormalities to remind pedestrians and vehicles in time to avoid safety accidents, and this case arose. Summary of the invention [0005] The purpose of the present invention is to...

AI Technical Summary

Problems solved by technology

[0003] However, when the manhole cover is installed on the road, it may be damaged or displaced due to accidents such as vehicle rolling and flooding, or it may be lost due to theft, etc., which poses a greater danger to passing pedestrians and vehicles, especially at night. High, but the manhole cover abnormality is difficult to be found in time, making the danger continue

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