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Pipeline installation sampling device and sampling method

A technology for sampling devices and pipelines, applied to auxiliary devices, pipe components, siphons, etc., to achieve the effects of ensuring assembly accuracy, avoiding rework, and reducing pipe waste

Inactive Publication Date: 2019-05-03
渤海造船厂集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method determines the actual sampling pipe fittings through the sampling device, and then confirms the shape and size of the pipe fittings to be processed, and solves the technical problem of sampling accuracy control in the installation and closing section of the pipeline.

Method used

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  • Pipeline installation sampling device and sampling method
  • Pipeline installation sampling device and sampling method
  • Pipeline installation sampling device and sampling method

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Experimental program
Comparison scheme
Effect test

Embodiment

[0031] Embodiment: The closed section is a "gate-shaped" pipeline, and the pipe fitting to be processed of the pipeline to be installed is a section of "L"-shaped elbow. The sampling method includes the following steps:

[0032] 1. The support rod is connected with the interface A to be connected and the interface B to be connected with the assembly compensation ring and the groove model. During assembly, adjust the length of the two ends of the 90° support rod by cutting, and then weld the support rod on the end surface. The purpose of installing the compensation ring is to ensure that the gap between the two ports is 2.5 mm to 3 mm during actual installation, and the relative spatial position of the two groove models is the three-dimensional size of the pipe section to be processed;

[0033] 2. After taking the ruler, transfer the fixed two groove models and the connected support rods to the working platform, and remove the compensation ring;

[0034] 3. Install the position...

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Abstract

The invention provides a pipeline installation sampling device and a sampling method. Two ends of a support rod are sequentially connected with groove models and a compensation ring through a fixed end cover to form a sampling device of an actual sampling pipe fitting, and the two ends are connected with two interfaces A to be connected and two interfaces B to be connected correspondingly. The sampling device is taken down and placed on a working platform; the groove models on two sides are clamped by double-head studs through angle steel 7 connecting seats, fixing flanges and positioning flanges; the fixing flanges are provided with fixing rods connected to the working platform; an outer diameter positioning line of the pipe fitting to be processed is determined; fixing flanges are installed at two ends of the pipe fitting to be processed; and a line drawing flange and a line drawing flexible needle are arranged on the outer side to determine a groove processing line and an inspectionline of the pipe fitting to be processed according to the outer diameter positioning line of the pipe fitting to be processed. According to the pipeline installation sampling device and the samplingmethod, the sampling device is adopted to map the actual sampling pipe fitting to the working platform, a processing line is determined, and finally, pipeline installation welding is completed by means of groove processing according to line drawing sizes. The pipeline installation sampling device and the sampling method can be applied.

Description

technical field [0001] The invention relates to pipeline installation, in particular to a sampling device and method for installing a closed section of a large-diameter thick-walled pipe. Background technique [0002] At present, when the pipe fittings on the ship are installed one by one according to the drawings, there will be some errors within the allowable range of the drawings. Every time there is an additional assembly, the cumulative error may be greater, especially in the sampling of the system pipeline closure section that is about to connect the two modules. For the pipe section, there will be situations where the deviation of the interface pipe is too large to be installed. In order to reduce this cumulative error, the method of designing the sampling pipeline is generally adopted for the closing section. [0003] The accuracy of sampling pipeline sampling is one of the main difficulties in the installation of ship piping systems. In the past, sampling of ship p...

Claims

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Application Information

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IPC IPC(8): F16L23/024F16L43/00B25H7/04B23K37/00
Inventor 陈凯满江韩世征张洪彬于新元刘强陈志国
Owner 渤海造船厂集团有限公司
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