Access hole with protective net

By setting up a protective net on the manhole cover and the inside of the well seat of the maintenance port, the problem of lack of effective protection of the existing maintenance port is solved, and the effect of automatic formation of the protective net and simplifying installation and disassembly is achieved, which improves safety and operation convenience.

CN222685545UActive Publication Date: 2025-03-28刘鹤
0 Cites 0 Cited by

Patent Information

Application Number
CN202421445958.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-28
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

When using the existing ground maintenance port, there is a lack of effective protective measures, which may cause surrounding personnel to fall into the maintenance port and cause injuries. The existing protective net does not match the maintenance port, and the installation and disassembly are complicated and operation is inconvenient.

Method used

A maintenance port with a protective net is designed. The protective net is set on the inside of the manhole cover and the well seat, and the opening and closing is achieved through hinges. The protective net automatically forms a triangular prism when opening the manhole cover to prevent people from entering by mistake; it is automatically recycled when closed, and does not affect the closure of the manhole cover.

Benefits of technology

It realizes automatic formation of a protective net during maintenance operations to prevent people from falling in, simplifies the installation and disassembly of the protective net, reduces the operational troubles of workers, and improves safety through a 360-degree warning bar.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model discloses an access hole with a protective net. The access hole comprises a well cover, a hinge and a well seat, wherein the well lid is hinged to the well seat through the hinge, so that the well lid is opened and closed; the manhole cover is characterized by further comprising a protective net, and the protective net is arranged on the inner side of the manhole cover and the inner side of the manhole seat. The protective net of the access hole not only has protection and warning effects, but also is arranged on the inner side of the well lid and is combined with each access hole in a matched mode, and the protective net does not need to be taken down when the access hole is closed.
Need to check novelty before this filing date? Find Prior Art