Complex structure pipeline accurate modeling method based on rocket body real object

A modeling method and complex structure technology, applied in geometric CAD, instrumentation, design optimization/simulation, etc., can solve problems such as low manufacturing accuracy, improper installation of conduits, scrapped and re-investment, etc.

Active Publication Date: 2020-10-30
TIANJIN AEROSPACE CHANGZHENG ROCKET MFGCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The manufacturing accuracy of manual aluminum wire sampling is low, which may easily lead to improper installation of the follow-up catheter. Repeated filing, trial installation, or even scra

Method used

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  • Complex structure pipeline accurate modeling method based on rocket body real object
  • Complex structure pipeline accurate modeling method based on rocket body real object
  • Complex structure pipeline accurate modeling method based on rocket body real object

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Embodiment Construction

[0029] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides an accurate modeling method for a complex structure pipeline based on a rocket body entity, and the method comprises the following steps: acquiring a box body entity point cloudmodel of a rocket body by using scanning equipment, and creating a conduit model by taking the point cloud model as a boundary and combining a conduit trend and a pipe bending process. According to the complex structure pipeline accurate modeling method based on the rocket body real object, the problem that a traditional carrier rocket sampling guide pipe is inaccurate in visual and hand breakingmachining is solved.

Description

technical field [0001] The invention belongs to the technical field of launch vehicles, and in particular relates to an accurate modeling method for complex structural pipelines based on rocket body objects. Background technique [0002] The conduit is the "blood vessel" of the launch vehicle, which plays the roles of fuel delivery, valve control, and gas discharge. Part of the ducts are installed on the bottom of the rocket body. The bottom of the box is composed of several melon petals that are tailor-welded. Due to the welding deformation, the size of each box bottom has a certain deviation. This directly leads to the fact that the ducts installed on the bottom of the box cannot be produced with reference to the theoretical model. Manufactured on the bottom of the box according to the actual conduit installation conditions - conduit sampling manufacturing. [0003] At present, there are two ways to sample and manufacture launch vehicle tubes. One is to manually bend the ...

Claims

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Application Information

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IPC IPC(8): G06F30/17G06F30/20
CPCG06F30/17G06F30/20G06F2113/14
Inventor 苏再为魏强宋建岭王露予杜正勇王永发刘含伟王强林彦龙穆菁王成徐昶张岳赵英杰马艳林
Owner TIANJIN AEROSPACE CHANGZHENG ROCKET MFGCO
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