Subsea pipeline repairing and splicing assistor with anti-corrosion coating

By designing a subsea pipeline repair and splicing auxiliary device with an anti-corrosion coating, the height can be adjusted using a throttle and a two-way screw drive, and the clamping platform can be driven by a cylinder and a motor to move in coordination. This solves the problem of fixed height in traditional subsea pipeline repair auxiliary devices, achieves precise docking and stable clamping of subsea pipeline repair, and improves the stability and safety of the repair.

CN224414523UActive Publication Date: 2026-06-26TIANJIN OAK NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521718015.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2026-06-26
Estimated Expiration
2035-08-13

AI Technical Summary

Technical Problem

Traditional subsea pipeline repair and splicing aids cannot adjust their height, leading to loose or unstable joints during the repair process, which affects the long-term safety of the pipeline.

Method used

A subsea pipeline repair and splicing auxiliary device with an anti-corrosion coating was designed. It uses a throttle, a two-way screw and a rotating frame to achieve flexible height adjustment, and uses a cylinder and a motor to drive the clamping platform to move in coordination to ensure the stable clamping of the subsea pipeline.

Benefits of technology

It enables highly flexible adjustment and stable clamping during subsea pipeline repair, ensuring precise pipeline connection and improving the stability and safety of the repair process.

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Abstract

The utility model relates to the technical field of subsea pipeline repairing and splicing assistors, and discloses a subsea pipeline repairing and splicing assistor with an anti-corrosion coating, which comprises a repairing table top, a plurality of supporting columns are fixedly connected to the bottom of the repairing table top, a connecting column is fixedly connected between every two supporting columns, the outer wall of each connecting column is rotatably connected with a rotating frame, and the rotating frame is fixedly connected with the bottom of the repairing table top. An adjusting assembly is arranged in the repairing table top and comprises a rotating handle, the rotating handle is rotationally connected to the interior of the repairing table top, the side wall of the rotating handle is fixedly connected with a two-way lead screw, the outer wall of the two-way lead screw is in threaded connection with a plurality of sliding blocks, and the lower surface of each sliding block is fixedly connected with a lifting table. According to the auxiliary device, through transmission of the rotating handle, the two-way lead screw and the rotating frame, the height of the repairing table top can be flexibly adjusted, the problem that the height of a traditional auxiliary device is fixed is solved, the auxiliary device meets the height requirements of repairing of different subsea pipelines, it is guaranteed that the pipelines are in butt joint accurately during repairing, and the situation that joint is not tight or unstable is reduced.
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