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Submarine cable cabin-penetrating sealing structure

A technology of sealing structure and submarine cable, applied in cable installation, ground cable installation, electrical components and other directions, can solve the problems of large axial pressure, sealing failure, not suitable for deep-sea fields, etc., to achieve strong structural applicability, axial good sealing effect

Active Publication Date: 2021-04-30
ZHONGTIAN TECH MARINE SYST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This sealing method can be applied to most submarine cables, but it cannot withstand large axial pressure
Under the action of high water pressure in the deep sea field, it will cause the seal to fail
[0004] In summary, the submarine cable penetration sealing structure used in the prior art cannot withstand large axial pressure and is not suitable for deep sea areas
At the same time, the structural applicability of the existing submarine cable penetration sealing structure is not strong

Method used

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  • Submarine cable cabin-penetrating sealing structure

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Embodiment Construction

[0031] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0032] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...

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Abstract

An embodiment of the invention provides a submarine cable cabin-penetrating sealing structure, which comprises a sealing cabin end cover, a glue sealing flange, a connecting base, a screw cap and a glue blocking nut, wherein one side of the sealed cabin end cover is connected with the glue sealing flange, the other side of the sealed cabin end cover is connected with the connecting base, and structural glue is filled between the glue sealing flange and a submarine cable and between the connecting base and the submarine cable; and the screw cap is installed at the end of the glue sealing flange, and the glue blocking nut is installed at the end of the connecting base. Compared with the prior art, structural glue is filled between the glue sealing flange and the submarine cable and between the connecting base and the submarine cable, the end part of the glue sealing flange is provided with the screw cap, and the end parts of the connecting base are provided with glue blocking nut , so that the submarine cable cabin-penetrating sealing structure can bear larger axial pressure, has axial sealing performance, is more suitable for being used in the deep sea field and has high structural applicability.

Description

technical field [0001] The invention relates to the technical field of submarine cable sealing devices, in particular to a submarine cable penetration sealing structure. Background technique [0002] The submarine cable penetration sealing structure is mainly used in the deep sea observation network to realize the watertight connection between the submarine cable and the junction box. [0003] At present, there are many kinds of submarine cable penetration sealing structures, but they are generally used in shallow sea areas. Among them, the most common way is to fix the submarine cable by clamping the armored steel wire with the inner and outer cones, and seal it with the sealing ring. This method can withstand tension, but not axial pressure. Therefore, this sealing method is only suitable for armored cables. In the prior art, an external clamping device is also used to fix the submarine cable, and the sealing ring is used for sealing. This sealing method can be applied...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G3/22H02G9/02
CPCH02G3/22H02G9/02
Inventor 张彬彬张锋张志峰杜宗印程恭倪健
Owner ZHONGTIAN TECH MARINE SYST CO LTD