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A sealing protection device for cable welding joints in water

A cable welding and sealing protection technology, which is applied in the direction of connection insulation, etc., can solve the problems of high price, no anti-corrosion performance, complex structure of sealing protection device, etc., and achieve the effect of reliable effect and simple operation

Active Publication Date: 2017-05-24
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing sealing protection devices for cable welded joints in water are complex in structure, expensive, and some do not have anti-corrosion performance

Method used

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  • A sealing protection device for cable welding joints in water
  • A sealing protection device for cable welding joints in water
  • A sealing protection device for cable welding joints in water

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Embodiment Construction

[0026] The purpose of the present invention is to provide a sealing protection device for cable welded joints in water, through the joint action of drum-shaped sealing ring, circular sealing gasket, screw thread and sealant, the cable welded joints are protected from tension, waterproof and anti-corrosion sealed Protect. The device is simple to operate, has multiple seals and is reliable in effect.

[0027] Such as Figure 1 to Figure 5 As shown, the two ends of the sealing protection device for the cable welding joint in water are symmetrical, and only one end is introduced now. The device includes:

[0028] Squeeze the nut 2, there is a first through hole 11 (without thread) equivalent to the outer diameter of the cable 1 to be welded in the center of the top of the squeeze nut 2, so that the cable 1 to be welded can pass through the squeeze nut 2, squeeze Screw thread 41 is arranged on the inner wall of pressure nut 2, and its inner diameter matches with the diameter of c...

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Abstract

The invention belongs to the technical fields such as offshore crude oil exploitation, offshore structure construction and monitoring, and relates to a sealing protection device for water immersed cable welded joints. According to the device of the invention, tension protection as well as waterproof, anti-corrosion and sealing protection can be performed for the cable welded joints through the combined action of a drum-shaped sealing ring, circular sealing pads, screw threads and a sealant. The device has the advantages of simple structure, multi-sealing performance and reliable effects.

Description

technical field [0001] The invention relates to technical fields such as offshore crude oil exploitation, construction and monitoring of offshore structures, and in particular to a sealing protection device for cable welded joints in water. Background technique [0002] During the offshore operation of the drilling and workover platform, the cable of the instrument may be damaged or need to be lengthened. At this time, the two cables need to be welded together. The sealing protection and anti-corrosion work of the welding point under water or in oil and gas Significance. In addition, with the development of the economy, there are more and more offshore structures, and the above-mentioned problems may also be involved in the construction and monitoring process. At present, a sealing protection device is widely used to realize the sealing protection of cable welding joints in water. [0003] However, the existing seal protection devices for cable welded joints in water are c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R4/70
CPCH01R4/70
Inventor 许浩曹文冉刘振纹罗小桥李春邓海峰
Owner BC P INC CHINA NAT PETROLEUM CORP