Unfolding method of circular cylinder wall and cylindrical surface during eccentric oblique intersection

Abstract

The invention relates to an unfolding method of a circular cylinder wall and a cylindrical surface during eccentric oblique intersection, and belongs to the technical field of transformer sheet-metal processing. The method adopts the technical scheme that an actual section of the cylinder wall in any unfolding position is a rectangle, and in order to avoid interference of the cylinder wall and the cylindrical surface under ideal assembly, the axial length of the section rectangle of the cylinder wall is required to be reduced, so that the length of the section rectangle is equal to an axial minimum distance from a section coordination edge to a plain end of the cylinder wall. With the adoption of the method, multiple coordinate points can be obtained, and an unfolding curve of coordination ends of the cylinder wall can be drawn by utilizing the obtained points, so that an unfolding diagram of the cylinder wall is drawn. The method has the positive effects that precise unfolding of the circular cylinder wall and the cylindrical surface during the eccentric oblique intersection is realized; the problems that the coordination ends of the cylinder wall are partially contacted during butting, and gaps appear at other parts are solved; welding operation is facilitated; the welding quality is improved; and the actual height of the cylinder wall of an ascending flanged base is ensured.

Description

technical field [0001] The invention relates to an unfolding method for eccentric and oblique intersecting of a circular cylinder wall and a cylindrical surface, and belongs to the technical field of transformer sheet metal processing. Background technique [0002] During the processing of the transformer oil tank, there will be a situation where the circular cylinder wall (hereinafter referred to as the cylinder wall) intersects the cylindrical surface eccentrically and obliquely (such as the outer wall of the circular cylinder). The assembly of the cylinder wall and the cylindrical surface is as follows: Figure 1-Figure 3 schematic diagram. figure 1 The serial number 1 in the figure is the cylinder wall, and the serial number 2 is the cylindrical surface. The angle between the centerline of the cylinder wall and the centerline of the cylinder surface in the view plane is α, and the centerline of the cylinder wall is in the view plane relative to the centerline of the cyli...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for deploying the eccentric and oblique intersecting of the circular cylinder wall and the cylindrical surface, which realizes the precise deployment when the circular cylinder wall and the cylindrical surface eccentrically intersect obliquely, and solves the problem of the joint end of the cylinder wall. The problem of local contact and gaps in other parts during docking is beneficial to the welding operation and improves the welding quality, ensuring the actual height of the raised seat wall

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