Power maintenance ladder
A technology for power maintenance and fixing the top cover, which is applied to ladders, buildings, building structures, etc., to achieve the effects of fast speed, convenient maintenance, and increased area
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[0018] 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.
[0019] see Figure 1-5 , the present invention provides a technical solution: including a fixed top cover 1; the four corners of the bottom surface of the fixed top cover 1 are connected with upper folding rods 3; the bottom end of the upper folding rod 3 is connected with a lower folding rod 5; the top of the lower folding rod 5 is provided with a boss; the central position of the bottom end of the upper folding rod 3 is provided with a gap; matching; the po...
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