Manhole cover supporting structure
A technology for supporting structures and manhole covers, which is applied to ship components, ship hatches/hatches, transportation and packaging, etc., and can solve problems such as lack of protective measures and personal injury of operators
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[0019] The following are specific embodiments of the present invention in conjunction with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
[0020] Such as figure 1 with figure 2 As shown, a manhole cover support structure of the present invention includes a manhole 1. The manhole 1 includes a front panel 11 and a rear panel 12 parallel to each other. The upper cover of the manhole 1 is hinged with the rear panel 12 through a hinge. The bottom surface of the cover 2 is close to the front wall 11 and is provided with a hinge 21. It also includes a support frame 3 with a triangular frame structure. The support frame 3 includes three triangular-connected frame rods 31 and three triangular-connected rods. Frame rod two 32, two mutually parallel support rods 33, and a rotating shaft 34 parallel to the support rod 33. The support frame 3 is hinged on the hinge part 21 through...
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