Municipal road manhole with protection device

Abstract

The invention relates to a municipal road manhole with a protection device. The municipal road manhole comprises a manhole body. The protection device is arranged at the position, close to a manhole mouth, of the manhole body. The protection device comprises an installation ring, an anti-falling net and buffer assemblies. The anti-falling net is arranged on the inner ring of the installation ring.The buffer assemblies are used for connecting the anti-falling net to the installation ring. Multiple installation grooves where the buffer assemblies are installed are formed in the inner ring of the installation ring in the circumferential direction. Each buffer assembly comprises a sliding block, a pull rope, a limiting ring and a first elastic piece. Each sliding block is installed in the corresponding installation groove in a sliding manner. One end of each pull rope is fixed to the corresponding sliding block, and the other end of each pull rope extends out of the corresponding installation groove. Each limiting ring is connected to a groove opening of the corresponding installation groove in a sleeving manner. Each first elastic piece is connected to the corresponding pull rope ina sleeving manner. One end of each first elastic piece is connected and fixed to the corresponding sliding block, and the other end of each first elastic piece is fixed to the corresponding limiting ring. Connection ropes corresponding to the pull ropes are arranged at the edge position of the anti-falling net. The connection ropes and the pull ropes are detachably connected through connection assemblies. The installation ring is detachably installed on the manhole body through an installation assembly. The municipal road manhole has the effect that the anti-falling net is not likely to fracture.

Description

technical field [0001] The invention relates to the technical field of municipal roads, in particular to a municipal road inspection shaft with a protective device. Background technique [0002] At present, with the development of society and the increasing number of buildings, there are many inspection wells distributed on municipal roads. Inspection wells, also known as manholes, are underground spaces for the transfer and control of urban underground pipelines, and inspection wells are usually covered by inspection well covers; Because there will be people walking on the road, when the inspection shaft cover is lost or the construction personnel perform maintenance work in the inspection shaft after the inspection shaft cover is opened, it is necessary to protect the inspection shaft mouth to prevent pedestrians from falling into it while driving. Inflict damage in the manhole. [0003] Existing, in the inspection shaft near the mouth of the inspection shaft, a netted an...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing technical solutions have the following defects: the installation method of the anti-fall net is a rigid installation, and when a pedestrian falls into the anti-fall net, the self-buffering capacity of the anti-fall net is limited, and it is easy to cause the joint of the anti-fall net to break , especially when the falling pedestrian is relatively large, the possibility of breaking the anti-falling net without buffer connection will be greater

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