Gas pipeline pavement method and support structure thereof

A technology for gas pipelines and laying methods, which is applied in pipeline support, pipeline laying and maintenance, mechanical equipment, etc., can solve the problems of expensive investment, difficult construction, high construction cost, etc., and achieve stable and reliable connection, low construction difficulty, The effect of reducing engineering construction cost

Inactive Publication Date: 2019-07-02
株洲新奥燃气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in addition, two rows of four chemical bolts need to be implanted on each side, and the existing dense steel bars must be avoided. The construction is quite difficult, the investment is expensive, and the construction cost is high.

Method used

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  • Gas pipeline pavement method and support structure thereof
  • Gas pipeline pavement method and support structure thereof
  • Gas pipeline pavement method and support structure thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A kind of gas pipeline laying method of the present invention, its schematic flow chart is as Figure 1 to Figure 10 As shown, it mainly includes the following steps:

[0051] The first step is to open a plurality of "T"-shaped grooves 2 along the bridge direction on the sidewalk 1 of the bridge, and drill three through holes along the bridge from top to bottom in each groove 2. The three through holes Arranged in the shape of "pin" along the direction of the bridge, one of which is the hanger hole 3, and the other two are load-bearing holes 4, the distance between the connection line of the two load-bearing holes 4 and the hanger hole 3 is 650mm, two Load-bearing holes 4 are arranged along the direction of the bridge, and then the gas pipeline (epoxy anti-corrosion steel pipe) to be laid is placed on the sidewalk 1, and the gas pipeline is cut into multiple pipeline sections 5.

[0052] The second step is to bind the cable 6 in the middle of the pipeline section 5, ho...

Embodiment 2

[0062] Such as Figure 10 to Figure 13 As shown, a support structure for laying gas pipelines on the underside of a bridge of the present invention includes a bracket 13, a buckle 14, a boom 15, an auxiliary fixing plate 16, an auxiliary fixing bolt 17 and an oblique connecting plate 18. Wherein, the buckle 14 is installed on the bracket 13 , and two ends of the bracket 13 are respectively provided with a hoisting through hole (not shown in the figure) on both sides of the buckle 14 . Suspender rod 15 is two, and two suspension rods 15 are respectively pierced in two hoisting through holes, and the upper and lower ends of suspension rod 15 are all provided with nuts, and the lower end of suspension rod 15 is fastened and connected with bracket 13 by nut. The middle part of the auxiliary fixing plate 16 has a positioning through hole, and the auxiliary fixing bolt 17 is penetrated in the positioning through hole. The upper and lower ends of the auxiliary fixing bolt 17 are prov...

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PUM

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Abstract

The invention discloses a gas pipeline pavement method and a support structure. A bridge is provided with a plurality of grooves. A hanging bracket hole and two load bearing holes are driven in each groove, and a to-be-paved pipeline is cut into a plurality of sections; each pipeline section is hoisted out of the bridge and descends to the position below a flange; each hoist door frame is installed, and a guide chain and a hoisting hook penetrate through each hanging bracket hole and stretch to the position below the flange; a worker hooks each pull cable through the corresponding hoisting hook; each pipeline section descends, and a hosting machine hook is separated from the corresponding pull table; each manual hoist is operated to hoist the corresponding pipeline section, each movable lower hanging operation platform is used for conveying the operator to the position below the flange, each pipeline section and a corresponding bracket are connected through ring buckles, the upper endsof hoisting rods penetrate through the load bearing holes and extend to the bridge floor, and the upper ends of the hoisting rods are connected with the bridge floor through nuts; and auxiliary fixing plates are arranged below the flange, inclined connecting plates are welded between the auxiliary fixing plates and the brackets, the other pipeline sections are constructed as above, the adjacent pipeline sections are welded, and gas pipeline pavement construction is finished. According to the method, the construction difficulty is low, the engineering construction cost is low, and the structure is stable.

Description

technical field [0001] The invention relates to the technical field of laying gas pipelines, in particular to a method for laying gas pipelines and a support structure thereof. Background technique [0002] Many bridges that have been built and put into use do not pre-embed the gas pipeline support during construction. If the gas pipeline is to be laid along with the bridge, the gas pipeline needs to be fixed under the bridge, usually on the underside of the bridge wing. Considering the expansion and sliding of gas pipelines caused by environmental factors, the stability of pipeline laying is very important. [0003] For bridges that have been built, the current common laying construction scheme is to fix the pipe support on the bridge wing plate through planting bolts. But in addition, two rows of four chemical bolts need to be implanted on each side, and the existing dense steel bars must be avoided. The construction is quite difficult, the investment is expensive, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L1/024F16L3/10
CPCF16L1/024F16L3/1016F16L3/1091
Inventor 宋熹
Owner 株洲新奥燃气有限公司
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