Leaf spring preload structure for pressure body limit and shrinkage deformation compensation of deep-sea submersible

Abstract

The invention relates to a leaf spring pretensioning structure for the position limiting and shrinkage deformation compensation of the pressure-resistant body of a deep-sea submersible, including a pressure-resistant body, the outer circumferential surface of the pressure-resistant body and its interval are covered with a non-pressure-resistant structure, the non-pressure-resistant structure One end of the pressure-resistant structure extends the inner panel of the non-pressure-resistant structure, and the plane of the inner panel of the non-pressure-resistant structure is parallel to the outer surface of the pressure-resistant body; it is installed between the outer peripheral surface of the pressure-resistant body and the inner panel of the non-pressure-resistant structure There are multiple sets of preloaded assemblies. Multiple sets of pre-tightening assemblies are installed between the pressure-resistant body and the inner panel of the non-pressure-resistant structure, and the pre-bending of the two wings of the leaf spring exerts a pre-tightening force on the pressure-resistant body, which is used to compensate the radial direction of the pressure-resistant body during the dive. Shrinkage deformation, and the rigidity of the overall structure is improved through the limit sleeve and pre-tightening bolts, and the deformation of the pressure-resistant body under the action of eccentric load is limited.

Description

technical field [0001] The invention relates to the technical field of pretensioning devices for deep sea equipment, in particular to a leaf spring pretensioning structure for position limiting and shrinkage deformation compensation of a deep sea submersible pressure body. Background technique [0002] The pressure shell structure of the submersible requires light weight, good economy, high structural efficiency and good reliability. When in use, it is usually necessary to cooperate with the non-pressure-resistant shell. In the prior art, the non-pressure-resistant structure of the submersible is welded together with the pressure-resistant body to provide an installation basis for outboard equipment. With the increase of the working depth of the submersible, the pressure body has large radial and longitudinal shrinkage deformation under deep sea pressure, which will implicate the longitudinal and transverse non-pressure structures welded on the pressure body, thus It produc...

AI Technical Summary

Problems solved by technology

With the increase of the working depth of the submersible, the pressure body has large radial and longitudinal shrinkage deformation under deep sea pressure, which will implicate the longitudinal and transverse non-pressure structures welded on the pressure body, thus There are strength and stability problems, which are unfavorable to the ultimate bearing capacity of the pressure body

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