A nozzle ring seam welding auxiliary device

By designing an auxiliary device for welding the circumferential seam of the nozzle, and utilizing height and distance adjustment components, the coaxial adjustment of the nozzle and flange was achieved, solving the problems of multiple people working together and difficulty in position adjustment in the traditional method, and improving welding efficiency and quality.

CN224543648UActive Publication Date: 2026-07-24XINJIANG LS HEAVY EQUIP&ENERGY ENERGY ENGINRRRING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINJIANG LS HEAVY EQUIP&ENERGY ENERGY ENGINRRRING CO LTD
Filing Date
2025-08-18
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

In the manufacturing process of pressure vessels, the traditional method of assembling and welding nozzles and flanges requires the cooperation of multiple people and makes it difficult to ensure the accuracy and efficiency of the welding position. This is especially true when the flange size is large, which makes the operation difficult and affects the welding quality and assembly efficiency.

Method used

An auxiliary device for welding circumferential seams of pipe fittings was designed, including a base, movable support ribs, and fixed support ribs. Through height adjustment components and distance adjustment components, the coaxial adjustment and position fixation of the pipe fittings can be realized. The workpiece is supported by rollers and positioning wheels, and precise adjustment is achieved by adjusting screws and set screws, which simplifies the operation process.

Benefits of technology

It improves the efficiency and accuracy of welding position adjustment, reduces manpower requirements, improves assembly efficiency and welding quality, facilitates observation and operation, and is suitable for flanges and pipe fittings of various sizes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224543648U_ABST
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Abstract

The utility model discloses a kind of auxiliary devices for welding ring joint of connecting pipe, by being provided with a pair of supporting wheel on the pipe base, for supporting pipe fitting, pipe fitting is placed on a pair of supporting wheel, facilitate pipe fitting rotation, height adjusting assembly can adjust pipe base height, to realize the adjustment of pipe fitting height, annular seat is used for placing tubular workpiece, tubular workpiece is supported, positioned by positioning wheel, distance adjusting assembly can adjust the radial position of positioning wheel in annular seat, to adjust tubular workpiece position, when using, the position of tubular workpiece in annular seat can be determined first to make it be on annular seat central axis, then adjust pipe base height to make pipe fitting and tubular workpiece in annular seat be coaxial, moving movable support rib plate can make pipe fitting on pipe base and tubular workpiece in annular seat close, carry out assembly gap adjustment, facilitate overall rotating workpiece to adjust position, carry out observation and welding.
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