A support system for gas pipes in underground comprehensive pipe gallery

A technology of integrated pipe gallery and support system, which is applied in the direction of pipe supports, pipes/pipe joints/fittings, underwater structures, etc., and can solve the problems of support, thermal expansion and uneven settlement, etc.

Active Publication Date: 2021-01-26
SHANGHAI GAS ENG DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is the technical problem of the support, thermal expansion and contraction of the gas exhaust pipe in the underground comprehensive pipe gallery and the uneven settlement

Method used

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  • A support system for gas pipes in underground comprehensive pipe gallery

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Embodiment 1

[0024] Such as figure 1 Shown is a preferred embodiment of the present invention, which is a schematic diagram of arranging a support system in a single compartment of an underground utility gallery. Wherein the bracket system consists of a fixed bracket 1, a sliding bracket 2, a spring bracket 3, and an anti-seismic bracket 4. Among them, 5 is the gas pipeline, 6 is the gas cabin, and 7 is the design elevation of the road surface.

[0025] The fixed bracket 1 is in the middle of the cabin section, and is welded and connected with the pre-embedded steel plate of the bottom plate. After the gas pipeline is installed and fixed, the hoop is welded to the gas pipeline, so that the pipeline and the fixed bracket 1 cannot be displaced relative to each other.

[0026] Sliding support 2 is fixed on the cabin side wall by anchor bolt. The hoop of the sliding support 2 is not fixed to the gas pipeline, and the gas pipeline can slide axially in the hoop.

[0027] One end of the anti-...

Embodiment 2

[0032] This embodiment is a better embodiment of the present invention, wherein the sliding brackets 2 are evenly distributed along the pipeline with an interval of 4 meters. At this time, the sliding support 2 can evenly bear the pressure from the gas pipeline, and better play a supporting role. In this embodiment, one anti-seismic support 4 is installed for every three sliding supports 2. On the one hand, the loss of materials can be reduced, and on the other hand, the horizontal seismic force generated during an earthquake can be better resolved. In addition, the spring brackets 3 are symmetrically distributed and fixed on the bottom plate of the cabin, and the number is greater than one pair, which has greater tolerance to the accumulated thermal expansion in the pipeline and uneven settlement of the cabin, and has a wider application range.

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Abstract

The invention discloses a support system for gas pipe exhausting in an underground comprehensive pipe gallery, which relates to the field of municipal gas supporting design, including a fixed support, a sliding support, an anti-seismic support, and a spring support, and is characterized in that the fixed support fixes the cabin The bottom plate is located in the middle of the cabin section. The sliding bracket is fixed on the side wall of the cabin, one end of the anti-seismic bracket is fixed on the side wall of the cabin, and the other end is obliquely intersected with the sliding bracket and fixed, the spring bracket is fixed on the bottom plate of the cabin, and is located at the place where the pipe enters and exits . The invention well solves the problems of support, thermal expansion and contraction and uneven settlement of the gas exhaust pipes in the underground comprehensive pipe gallery.

Description

technical field [0001] The invention relates to the supporting design of municipal gas, in particular to a support system for gas pipes in an underground comprehensive pipe gallery. Background technique [0002] With the rapid development of urban networked municipal pipe network systems, repeated excavation of roads due to pipeline expansion, renewal, maintenance, etc. is very common, resulting in increased social costs in all aspects. In this context, as a new model to effectively solve the contradictions of urban infrastructure, the comprehensive utility corridor has gradually been recognized and promoted. [0003] Since the gas pipeline is a steel pipe, the thermal expansion and contraction of the pipeline must be considered when arranging the pipeline, and the cabin space is limited, so natural compensation cannot be used. The gas pipeline is laid in the independent cabin of the underground comprehensive utility gallery, which belongs to the pipeline arrangement in a c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L3/16F16L3/18E02D29/045
CPCE02D29/045F16L3/16F16L3/18
Inventor 康洁巍
Owner SHANGHAI GAS ENG DESIGN & RES
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