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Anti-theft inspection well lid

A technology of manhole cover and frame, applied in water conservancy projects, artificial islands, underwater structures, etc., to achieve the effects of simple structure, reliable anti-terrorist damage, and obvious social benefits

Inactive Publication Date: 2013-11-20
徐发达
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] So far, there is still no inspection shaft cover that can be installed and disassembled, and is 100% anti-theft

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] exist figure 1 The manhole cover frame 111 is respectively provided with a frame inner space 112 of a conjoined structure, a frame convex height enclosure wall 121, a frame convex height enclosure wall inner peripheral wall 122, a frame convex height enclosure wall top surface 123, a frame convex height enclosure wall outer peripheral wall 124, and a frame inner wall bottom. The top surface 131 of the supporting plate along the periphery, the inner wall 132 of the supporting plate along the periphery of the frame, the bottom plane of the frame 133, the extensible slope-shaped widening plate 141 of the outer peripheral wall of the frame, the outer slope wall 142 of the widening plate, the inner slope wall 143 of the widening plate, The bottom surface of the widened plate 144, the lower edge of the widened plate are further widened for inserting the fixing hole bu...

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Abstract

The invention discloses an anti-theft inspection well lid which comprises an inspection well lid frame (111), an inspection well lid body (311) and the like. Due to the facts that an anti-theft screw spike is installed on the inspection well lid body (311), an anti-theft transverse latch which can rotate and be stretchy is installed below the inspection well bottom face (313), and special tools for disassembling and assembling the anti-theft screw spike and the anti-theft transverse latch are assembled respectively, all the other tools can not disassemble and assemble the anti-theft inspection well lid except for the special tools, and the aim of hundred-percent theft prevention is achieved. The anti-theft inspection well lid can be widely applicable to installation and usage of anti-theft and anti-terrorist-attack inspection well lids like a large number of cable inspection wells of outdoor underground electricity, telecommunication and the like and public facility underground sewage conduit inspection wells, and the social benefits of the anti-theft inspection well lid are obvious.

Description

technical field [0001] The invention discloses a matching piece for the construction of underground facilities, which includes a manhole cover frame 111 and a manhole cover body 311. Since the manhole cover body 311 is equipped with anti-theft screws and the manhole cover bottom surface 313 is equipped with a rotatable The movable and telescopic anti-theft horizontal bolt etc. are equipped with special tools for assembly and disassembly respectively, so that the present invention can not be assembled and disassembled by any tool except the special tools, thereby achieving the purpose of 100% anti-theft. The present invention can be widely applied to the installation and use of anti-theft and anti-terrorist inspection well covers for a large number of outdoor underground electric power, telecommunications and other cable inspection wells, underground sewage pipe inspection wells of municipal facilities, etc., and has obvious social benefits. Background technique [0002] So f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/14
Inventor 徐发达
Owner 徐发达
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