Municipal facility manhole cover anti-theft protection and alarm device
A technology of alarm device and manhole cover, applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of poor security protection, easy to be stolen and aging speed, etc., to achieve enhanced security, enhanced anti-theft effect, and delayed aging speed effect
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[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0025] See Figure 1-5 , The present invention provides an embodiment: a municipal facility manhole cover anti-theft protection and alarm device, including installation steel base 1, manhole cover 2, sealing ring 3, installation groove 8 and buffer groove 17, installed on both sides of the surface of the steel base 1 All are provided with buffer grooves 17, the top of the mounting steel base 1 is evenly fixed with mounting grooves 8, the...
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