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A symmetrical three-branch-shaped beam type branch pipe and a design method thereof

A design method and bifurcated pipe technology, applied in the direction of design optimization/simulation, calculation, instruments, etc., can solve problems such as high experience requirements, and achieve the effects of low experience requirements, reasonable and controllable stress levels, and economical materials

Active Publication Date: 2019-04-09
POWERCHINA CHENGDU ENG
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Problems solved by technology

[0004] The invention provides a design method for a symmetrical three-fork beam-type bifurcation pipe, which aims to solve the problem that the existing design method for a symmetrical three-fork beam-type bifurcation pipe requires a high level of experience for designers

Method used

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  • A symmetrical three-branch-shaped beam type branch pipe and a design method thereof
  • A symmetrical three-branch-shaped beam type branch pipe and a design method thereof
  • A symmetrical three-branch-shaped beam type branch pipe and a design method thereof

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with accompanying drawing.

[0047] to combine figure 1 , figure 2 , image 3 and Figure 4 As shown, the design method of the symmetrical three-fork beam type bifurcation includes the following steps:

[0048] Step 1. Based on the axis of the main pipe A and the bifurcation point 0, and determine the bifurcation angle ω and the respective axes of the first branch B, the second branch C and the third branch D according to the design requirements, ω<90°; design Requirements include design parameter requirements, which usually include design water head, material density, material elastic modulus, material Poisson's ratio, etc.;

[0049] Step two, design the basic cone; first, determine the maximum radius R of the main pipe A according to the design requirements A , the half-cone angle α of the basic cone of the main tube A A , the maximum radius R of the first branch pipe B B and the half-cone an...

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Abstract

The invention belongs to the technical field of branch pipes and designs thereof, particularly discloses a design method of a symmetric three-branch-shaped beam type branch pipe and the symmetric three-branch-shaped beam type branch pipe designed and manufactured through the method, and aims to solve the problem that an existing design method of the symmetric three-branch beam type branch pipe hasa high requirement for experience of designers. According to the design requirements, the design method of the symmetric three-branch beam type branch pipe comprises the following steps: firstly determining a branch angle and the axis of each branch pipe by taking the axis and a branch point of a main pipe as references, then designing basic cones of the main pipe and the branch pipes, then determining an intersecting line, designing transition cones of the main pipe and the branch pipes, and finally designing a reinforcing beam; The symmetrical three-branch beam type branch pipe is disassembled and designed step by step in a component mode, a reasonable control parameter system can be set for each component, the body shape parameter adjustment target is clear, the influence chain of allparameters is short, the design difficulty is reduced, and the requirement for experience of a designer is not high.

Description

technical field [0001] The invention belongs to the technical field of branch pipes and design thereof, and in particular relates to a symmetrical three-fork beam type branch pipe and a design method thereof. Background technique [0002] The bifurcated pipe is an important component for flow diversion and merging in the pressure water delivery system of a hydropower station, and the symmetrical trifurcated beam type bifurcated pipe is one of the most commonly used bifurcated pipes. Such as figure 1 As shown, the symmetrical three-fork beam-type branch pipe is mainly composed of the main pipe A, the first branch pipe B, the second branch pipe C, the third branch pipe D and the reinforcing beam E. Made of steel, the intersecting lines of the pipes at the branch point intersect at one point. The main pipe A, the first branch pipe B, the second branch pipe C and the third branch pipe D generally all include a basic cone, a transition cone and a bulkhead, and the basic cones o...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/23G06F30/17Y02E10/20
Inventor 张燕尹华安杨兴义黄克戬张君陈阳
Owner POWERCHINA CHENGDU ENG
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