A temporary well cover structure

CN224478482UActive Publication Date: 2026-07-10SHANXI NO 8 CONSTR GRP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI NO 8 CONSTR GRP
Filing Date
2025-07-25
Publication Date
2026-07-10

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Abstract

This utility model discloses a temporary manhole cover structure, relating to the field of temporary manhole cover technology. The utility model includes a manhole casing, with a steel cover plate slidably connected to the top of the casing. A supporting steel ring is fixedly connected to the bottom of the steel cover plate, with the bottom end of the supporting steel ring extending into the interior of the manhole casing. Two stiffening ribs are fixedly connected to the inner wall of the supporting steel ring. A hand hole is provided on the steel cover plate, and a hand hole cover plate is connected to the top of the steel cover plate via a pin. Specifically, during installation, a handle drives a rotating shaft and gear to rotate, which, through a toothed sliding rod and a disc, causes the supporting rod to push the supporting plate to expand and fit tightly against the manhole casing. During disassembly, rotating the handle in the opposite direction retracts the cover. No complex disassembly tools are required, making operation convenient and efficient. The opening and closing of the supporting plate is precisely controlled, adapting to different manhole sizes. Installation is stable, and disassembly is easy, significantly improving the efficiency and adaptability of temporary manhole cover installation and disassembly operations.
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