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A water-proof construction device for underwater cable connection

A construction device and water-proof technology, which is applied in the direction of cable laying equipment, can solve the problems of undisclosed underwater cable connectors, troublesome operation, heavy workload, etc., and achieve novel equipment structure, convenient movement and maintenance, and low cost Effect

Inactive Publication Date: 2018-09-14
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the long-term use of underwater cables, there will always be various faults that need to be checked and repaired in time. During the maintenance process, there are high requirements for waterproof and sealing of the joints of underwater cables. Currently, most of the repair methods are Pulling out the pre-buried cables out of the water, handling the joints on land and then laying them underwater, this method not only requires a lot of work, troublesome operation, but also takes a long time and costs a lot; There is no disclosure about the process or method of how to waterproof and seal the underwater cable connector in the underwater operation system or device, for example, an offshore oil underwater operation system disclosed in Chinese patent ZL201320217278.5 and Chinese patent ZL201320217033.2, China Patent ZL201320216931.6 discloses an offshore oil underwater exploration system, Chinese patent ZL201320599356.2 discloses an underwater cable connection sealing device, etc.

Method used

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  • A water-proof construction device for underwater cable connection
  • A water-proof construction device for underwater cable connection
  • A water-proof construction device for underwater cable connection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The main structure of the water isolation device involved in this embodiment includes a top plate 1, a front and rear side plate 2, a left and right side plate 3, an operating console 4, a pedal 5, an upper ear plate 6, a lower ear plate 7, an exhaust valve 8, an inflation valve 9 and Tie rod 10, the outer periphery of the water-proof device with hollow square structure is composed of steel plate structure top plate 1, front and rear side plates 2 and left and right side plates 3 sealed and fixedly connected, and the top four corners of the top plate 1 are fixedly welded with a ring structure The upper lug plate 6 is used to lift and lift the overall water-proof device, and the bottom ends of the left and right side plates 3 are respectively fixed and welded with lower lug plates 7 with screw holes, which are used to realize the bolted connection with the fixed structure; The bottom of the water isolating device is open, and one side of the inner left and right side pane...

Embodiment 2

[0018] In this embodiment, the method for realizing underwater cable connection using the water-proof construction device described in Embodiment 1 specifically includes the following steps:

[0019] (1) Equipment pretreatment: drive the working boat to the working water area, fix the floating tank 11 on the top plate 1 of the water barrier, and seal it with the inflation valve 9 on the left and right side plates 3 of the water barrier through an external independent inflation pipe Then use the hoist to hoist the water isolator into the water and open the exhaust valve 8 to fill the water isolator with water, and then adjust the buoyancy of the water isolator through the buoyancy tank 11 to make the water isolator zero buoyancy in the water to facilitate control movement of water barriers;

[0020] (2) Set up the water isolating device: After the diver enters the water, control the water isolating device to move to the vicinity of the cable 13 to be repaired. If there is a fix...

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Abstract

The invention belongs to the technical field of underwater operation and specially relates to a water-separation construction device for underwater cable connection. A hollow square-structure water-separation device is formed by fixedly connecting a steel plate structure top plate, front and back side plates and left and right side plates in a seal manner; upper ear plates in a ring structure are welded at the four corners of the upper portion of the top plate respectively; the two ends of the bottom portion of the left and right side plates are respectively and fixedly welded by a lower ear plate provided with a screw hole; the bottom of the water-separation device is opened; one inner side of the left and right side plates is fixedly provided with an operation bench, and the top portion of the other side is provided with a charging value; a pedal plate in plate structure is fixedly welded on the left and right side plates at the place under the operation bench correspondingly; the upper top plate of the water-separation device is provided with a discharge valve; the left bottom portion of the left and right side plates of the water-separation device is connected with a pull rod in a hinge structure; and the pull rod is provided with a screw hole. The water-separation construction device is novel in structure, low in cost, easy to produce, convenient to move and maintain and friendly to construction environment.

Description

Technical field: [0001] The invention belongs to the technical field of underwater operations, and in particular relates to a water-proof construction device for underwater cable connection, which can create conditions similar to dry land construction for underwater cable maintenance and connection, so as to reduce the difficulty of underwater work for engineering personnel . Background technique: [0002] In recent years, with the vigorous development of communications, new energy and other industries, the development of my country's special cables - underwater cables is also thriving. Underwater cables refer to cables buried in seawater or fresh water for the transmission of electrical signals, including submarine cables used for submarine communications or power transmission, as well as water for offshore wind power generation / transmission, river / lake reconstruction or reservoir dam construction, etc. Lower cables; widely used due to its good water resistance, corrosion ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/10
CPCH02G1/10
Inventor 于希萌蔡冬马文静韩晨邱悦王晓琳
Owner QINGDAO UNIV