A power pipe well quick opening well lid convenient for overhauling
By incorporating pry bars, irregular grooves, and slots into the main body of the manhole cover, the problem of requiring tools to open existing manhole covers has been solved, enabling quick and convenient opening of manhole covers, simplifying the operation process, and improving maintenance efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE FIRST CONSTR ENG COMPANY LTD OF CHINA CONSTR SECOND ENG BUREAU
- Filing Date
- 2025-07-03
- Publication Date
- 2026-06-23
AI Technical Summary
The existing manhole covers are heavy and tightly fitted, requiring tools to open. If the tools are lost or damaged, they cannot be opened quickly, and the preparation and carrying of the tools are cumbersome, which prolongs the maintenance time.
A quick-opening manhole cover for power pipeline wells has been designed for easy maintenance. By setting pry bars, irregular grooves, irregular blocks and slots on the main body of the manhole cover, the manhole cover can be opened quickly by simple operation without additional tools.
It enables quick opening of manhole covers without the need for additional tools, simplifying the operation process, improving maintenance efficiency, and reducing the hassle of tool preparation and carrying.
Smart Images

Figure CN224395627U_ABST