Manhole cover device with protection function
A technology of protective function and manhole cover, which is applied in the direction of transportation and packaging, lighting ship equipment, hull deck, etc., can solve the problem of staff falling and reduce the possibility of accidents
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] see Figure 1-4 , a manhole cover device with a protective function, including a manhole cover body 1 and a deck 2, the manhole cover body 1 is hinged on the upper end of the deck 2 through a connecting piece 3, the right side of the manhole cover body 1 The side is fixedly provided with a movable groove 4, and the inside of the sliding groove is connected with a rotating rod 5 through a rotating shaft, and the side of the rotating rod 5 is fixedly conn...
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