Design method of symmetrical beam type trisection steel bifurcated pipe

Abstract

The invention discloses a design method of a symmetrical beam type trisection steel bifurcated pipe. The design method comprises the following steps of: 1, designing a bifurcated pipe shell type; 2, designing a U-shaped beam; and 3, designing a waist beam. According to the method, a drawing method is adopted for designing the shape of the steel bifurcated pipe, the design efficiency of a water conservancy project can be improved, when the pipe shell shape is designed, a calculation formula of intersection line concurrent points does not need to be deduced, the pipe shell shape can be drawn directly through the drawing method in CAD, and it is guaranteed that four intersection lines can intersect at the same point, and simplicity and clearness are achieved; when the shapes of the U-shaped beam and the waist beam are designed, an equation of a vertebral canal intersecting line does not need to be obtained, equations of the inner edge, the outer edge and the outer edge of the waist beam do not need to be deduced according to the equation of the vertebral canal intersecting line, the shapes of the U-shaped beam and the waist beam can be drawn directly through adoption of a drawing method in CAD, and simplicity and clearness are achieved; and the method has generalization performance and is suitable for design of pipelines such as crescent rib branch pipes, beam type branch pipes and beamless branch pipes.

Description

technical field [0001] The invention relates to the technical field of computer-aided design of water conservancy and hydropower projects, in particular to a design method for symmetrical beam-type three-part steel branch pipes. Background technique [0002] Such as figure 1 As shown, the symmetrical beam-type three-point steel branch pipe is the space obtained by the intersection of four vertebral canals (main vertebral canal 1, left vertebral canal 2, right vertebral canal 3, and middle vertebral canal 4) tangent to the same common cutting sphere. Combined structure, the main pipe 9 is coaxial with the middle branch pipe 10, the left branch pipe 11 and the right branch pipe 12 are symmetrically arranged along the axis of the main pipe 9 and the middle branch pipe 10, the main pipe 9 is connected with the main vertebral canal 1, and the middle branch pipe 10 is connected with the middle vertebral canal 4, The left branch 11 is connected with the left vertebral canal 2 , an...

AI Technical Summary

Problems solved by technology

Although this method can accurately design the shape of the steel bifurcation pipe, it is difficult for most engineers and technicians to master the derivation and application of the formula

There are also some literatures that use the combination of drawing method and analytical geometry to design the shape of steel bifurcation pipes. There are many parameters and cumbersome steps, and it is laborious to adjust the shape of bifurcation pipes.

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