Stainless steel bellow expansion joint for boats
A corrugated expansion joint, stainless steel technology, applied in the field of corrugated expansion joints, can solve the problems of short service life, heat resistance, poor temperature resistance, reduced product performance, etc., to improve performance and service life, and good temperature resistance. , Reasonable design effect
Inactive Publication Date: 2013-09-04
JIANGSU XINSHENG BELLOW
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Problems solved by technology
[0002] At present, the widely used marine expansion joints include the expansion joint body and the flanges welded at both ends. The expansion joint is an integral structural part with a complex structure. The flanges at both ends need to be welded on site, which is difficult to process and install. Poor performance, limited axial expansion, reducing product performance and therefore short service life
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[0007] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0008] like figure 1 As shown, the marine stainless steel corrugated expansion joint includes a conduit 1 and a bellows 2 arranged outside the conduit 1. Both the conduit 1 and the bellows 2 are stainless steel pipes, and the two ends of the bellows 2 are connected to flanges 3 , the flanges 3 at both ends are connected by positioning bolts 4 and arranged on the outside of the bellows 2, the positioning bolts 4 are connected to the flange 3 through nuts 5; in this embodiment, due to the heat resistance of stainless steel pipes, High temperature resistance and other characteristics, so it can ensure that the expansion joint does not deform during the working process, and can effectively improve the service life of the product with the vibration caused by the thermal expansion stress and pulsation of the pipeline in the system.
[0009] Finally, it is noted th...
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The invention relates to the technical field of bellow expansion joints and particular relates to a stainless steel bellow expansion joint for boats. The stainless steel bellow expansion joint comprises a guide tube and a bellows arranged on the outer side of the guide tube, wherein the guide tube and the bellows are both made of stainless steel, two ends of the bellows are connected with flanges, the flanges at two ends are connected through positioning bolts and arranged on the outer side of the bellows, and the positioning bolts are connected with the flanges through nuts. The stainless steel bellow expansion joint adopts the structure, has the advantages of being reasonable in design, simple in structure, good in heat resistance and temperature resistance and capable of effectively improving using performance of products and prolonging service life of the products, is mainly used in internal combustion engine exhausting pipelines of ship systems as replenishing devices for pipeline heat expansion and cold contraction and can cause vibration along with thermal expansion stress and pulsation impact in the systems.
Description
technical field [0001] The invention relates to the technical field of corrugated expansion joints, in particular to marine stainless steel corrugated expansion joints. Background technique [0002] At present, the widely used marine expansion joints include the expansion joint body and the flanges welded at both ends. The expansion joint is an integral structural part with a complex structure. The flanges at both ends need to be welded on site, which is difficult to process and install. The performance is poor, the axial expansion is limited, and the performance of the product is reduced, so the service life is short. Contents of the invention [0003] The purpose of the present invention is to provide a marine stainless steel corrugated expansion joint with reasonable design, simple structure, good heat resistance and temperature resistance, and improved performance and service life. [0004] In order to solve the problems existing in the background technology, the pres...
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IPC IPC(8): F16L51/02
Inventor 孙兰刘宝平
Owner JIANGSU XINSHENG BELLOW