Attachment layer reinforced grid ribbed cylindrical shell structure
A ribbed shell and adhesion layer technology, which is applied to projectiles, self-propelled bombs, and offensive equipment, can solve problems such as the decline in ultimate bearing capacity, serious decline, and poor defect resistance of the bare shell structure, achieving improved The effect of bending stiffness
Inactive Publication Date: 2016-12-07
DALIAN UNIV OF TECH
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The invention discloses an attachment layer reinforced grid ribbed cylindrical shell structure; a soft material attachment layer is added on a rib plate surface of a ribbed structure; and a ribbed form includes but not limited to a rectangular, hexagonal or triangular form. The soft attachment layer is a soft material with lower density compared with a rib plate; and the soft layer is as high as the rib plate. As the bending resistance of the section of the rib plate is improved, the axial load limit bearing capacity of the grid ribbed cylindrical shell structure is effectively increased, or even the structure lightness is realized on this basis; and the grid ribbed form includes but not limited to a rectangular grid, a hexagonal grid and a triangular grid. The grid size in grid ribbing, the width of the rib plate, the height of the rib plate and the width of the soft attachment layer are analytically analyzed according to such engineering indexes as structural size, structural weight and bearing capacity, or are determined by a numerical value optimizing method. A machining process is simple, is convenient for modification of a traditional manufacturing process, and is suitable for large-scale volume production.
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