Anti-corrosion structure for fixture type repair of submarine pipeline

By designing a anti-corrosion structure for undersea pipeline clamp type repair, and placing multiple sacrificial anode parts using the insulating box and conductive support, the problems of large consumption and untimely replacement of sacrificial anodes in the prior art are solved, and a more efficient and sustainable anti-corrosion effect is achieved.

CN222687677UActive Publication Date: 2025-03-28HENGJIU (TIANJIN) OFFSHORE ENGINEERING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421575122.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-03-28
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

In the existing subsea pipeline repair technology, the sacrifice anode consumes a lot and is not replaced in time, which affects the anti-corrosion effect and is inconvenient to use.

Method used

A corrosion-proof structure for undersea pipeline clamp type repair is designed. By setting up an insulated box body, an insulated box cover, a conductive support and a conductive connection, multiple sacrificial anode parts can be placed at one time, extending the consumption time, and providing anti-corrosion function when a single sacrificial anode part is replaced.

Benefits of technology

It extends the service life of the sacrificial anode, improves the sustainability of the anti-corrosion effect, and through the design of fixed components, it can quickly adapt to subsea pipelines of different thicknesses and is easy to use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222687677U_ABST
    Figure CN222687677U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-corrosion structure for fixture type repair of submarine pipelines, which comprises two fixing assemblies, conductive supporting pieces are fixedly connected to the upper parts of the fixing assemblies, an insulating box body is fixedly connected to the upper parts of the conductive supporting pieces, an insulating box cover is rotatably connected to the insulating box body, and the insulating box cover is fixedly connected to the upper part of the conductive supporting pieces. The insulation box cover and the insulation box body are connected in a clamping mode through a buckle. Through the arrangement of the insulating box body, the insulating box cover, the conductive supporting piece and the conductive connecting piece, a plurality of sacrificial anode pieces can be placed at a time, the consumption time is prolonged, when a single sacrificial anode piece is replaced, an anti-corrosion function can still be provided for the submarine pipeline, and the sustainability is high; and through the arranged fixing assembly, a fixing iron sheet can be rapidly fixed to the submarine pipeline, and the submarine pipeline fixing device is suitable for submarine pipelines of different thicknesses and is high in applicability and convenient to use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline repair, in particular to an anti-corrosion structure for clamp-type repair of submarine pipelines. Background Art

[0002] Submarine pipelines are mainly composed of anti-corrosion layers, insulation layers and counterweight layers. Anti-corrosion structures are required during repair.

[0003] Commonly used anti-corrosion structures include sacrificial anodes, fixed iron sheets, and connecting wires. The sacrificial anodes are consumed by oxidation reactions to protect submarine pipelines, which have good anti-corrosion effects. However, sacrificial anodes are consumed in large quantities, and single sacrificial anodes are prone to untimely replacement, which affects the anti-corrosion effect and is inconvenient to use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide an anti-corrosion structure for the clamp-type repair of submarine pipelines. Through the provision of an insulating box body, an insulating box cover, a conductive support member, and a conductive connector, multiple sacrificial anode members can be placed at one time, thereby extending the consumption time. When a single sacrificial anode member is replaced, the anti-corrosion function can still be provided for the submarine pipeline, and the sustainability is strong. The provided fixing assembly can quickly fix the fixing iron sheet on the submarine pipeline, and is suitable for submarine pipelines of different thicknesses, has strong applicability, and is easy to use.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an anti-corrosion structure for the clamp-type repair of a submarine pipeline, comprising two fixed components, the upper part of the fixed component is fixedly connected to a conductive support, the upper part of the conductive support is fixedly connected to an insulating box body, an insulating box cover is rotatably connected to the insulating box body, the insulating box cover is connected to the insulating box body by snap-fitting, a placement groove is provided inside the insulating box body, a sacrificial anode member is placed in the placement groove, both ends of the sacrificial anode member are fixedly connected to a conductive plate, a conductive connecting member is fixedly connected to the conductive plate, the conductive connecting member is fixedly connected to the conductive support, the fixed component comprises a fixed iron sheet fixedly installed at the lower part of the conductive support, the fixed iron sheet is fixed to the submarine pipeline by an elastic component, the elastic component comprises a rotating frame rotatably installed at one end of the fixed iron sheet, a spring is fixedly connected to the rotating frame, the lower end of the spring is fixedly connected to a connecting frame, and the connecting frame is snap-fitted to the other end of the fixed iron sheet. Through the provision of an insulating box body, insulating box cover, conductive support, and conductive connecting parts, multiple sacrificial anode parts can be placed at one time, extending the consumption time, and when a single sacrificial anode part is replaced, it can still provide anti-corrosion function for the submarine pipeline, and has strong sustainability; the provided fixing components can quickly fix the fixing iron sheet on the submarine pipeline, and are suitable for submarine pipelines of different thicknesses, with strong applicability and easy use.

[0006] According to the anti-corrosion structure for the fixture-type repair of submarine pipelines, the longitudinal cross-section of the conductive support member is L-shaped.

[0007] According to the anti-corrosion structure for the fixture-type repair of submarine pipelines, the longitudinal cross-section of the fixed iron sheet is in the shape of an arc.

[0008] According to the anti-corrosion structure for the fixture-type repair of submarine pipelines, the number of the sacrificial anode parts is at least six and they are evenly arranged.

[0009] According to the anti-corrosion structure for the clamp-type repair of submarine pipelines, the conductive plate is located inside the insulating box body.

[0010] According to the anti-corrosion structure for the clamp-type repair of submarine pipelines, the conductive connector is located outside the insulating box body.

[0011] According to the anti-corrosion structure for the clamp-type repair of submarine pipelines, the springs are arranged axially symmetrically.

[0012] According to the anti-corrosion structure for the clamp-type repair of submarine pipelines, the connection frame is in a U-shape.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model can place multiple sacrificial anode parts at one time through the provision of an insulating box body, an insulating box cover, a conductive support part, and a conductive connecting part, thereby extending the consumption time. Moreover, when a single sacrificial anode part is replaced, it can still provide an anti-corrosion function for the submarine pipeline, and has strong sustainability. The provision of a fixed component can quickly fix the fixed iron sheet on the submarine pipeline, and is suitable for submarine pipelines of different thicknesses, has strong applicability, and is easy to use.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of an anti-corrosion structure for a submarine pipeline clamp-type repair according to the utility model;

[0018] Figure 2 It is a structural schematic diagram of another perspective of an anti-corrosion structure for the clamp-type repair of submarine pipelines according to the utility model;

[0019] Figure 3This is a structural schematic diagram of a fixing assembly of an anti-corrosion structure for a submarine pipeline clamp-type repair according to the utility model;

[0020] Figure 4 The utility model is a structural schematic diagram of an elastic component of an anti-corrosion structure for a submarine pipeline clamp-type repair.

[0021] Legend:

[0022] 1. Fixed component; 2. Conductive support member; 3. Insulating box body; 4. Insulating box cover; 5. Buckle; 6. Sacrificial anode member; 7. Conductive plate; 8. Conductive connecting member; 101. Fixed iron sheet; 102. Elastic component; 1021. Connecting frame; 1022. Spring; 1023. Rotating frame. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4The utility model embodiment is an anti-corrosion structure for the clamp-type repair of submarine pipelines, which includes two fixing components 1. The upper part of the fixing component 1 is fixedly connected to a conductive support member 2. The longitudinal cross-section of the conductive support member 2 is L-shaped. The upper part of the conductive support member 2 is fixedly connected to an insulating box body 3. The insulating box body 3 is rotatably connected to an insulating box cover 4. The insulating box cover 4 is connected to the insulating box body 3 through a snap 5. A placement groove is provided inside the insulating box body 3. A sacrificial anode member 6 is placed in the placement groove. The number of the sacrificial anode members 6 is at least six and is evenly arranged. Both ends of the sacrificial anode member 6 are fixedly connected with a conductive plate 7, the conductive plate 7 is located inside the insulating box body 3, the conductive plate 7 is fixedly connected with a conductive connector 8, the conductive connector 8 is located outside the insulating box body 3, the conductive connector 8 is fixedly connected to the conductive support member 2, the fixed component 1 includes a fixed iron sheet 101 fixedly installed at the lower part of the conductive support member 2, the longitudinal section of the fixed iron sheet 101 is an arc shape, the fixed iron sheet 101 is fixed to the submarine pipeline through an elastic component 102, and the elastic component 102 includes a rotating member 102 rotatably installed at one end of the fixed iron sheet 101 The rotating frame 1023 is fixedly connected with a spring 1022, the spring 1022 is axially symmetrically arranged, the lower end of the spring 1022 is fixedly connected with a connecting frame 1021, the connecting frame 1021 is in a U-shape, and the connecting frame 1021 is engaged with the other end of the fixed iron sheet 101. When in use, the connecting frame 1021 is first taken out of the card slot on the fixed iron sheet 101, and then the fixed iron sheet 101 is wrapped around the target submarine pipeline, and then the spring 1022 can be stretched to fit submarine pipelines of different thicknesses, and then the connecting frame 1021 is The connecting frame 1021 is engaged in the corresponding slot on the fixed iron sheet 101, and then a plurality of sacrificial anode parts 6 are placed in the insulating box body 3. Under the connection of the conductive plate 7, the conductive connector 8 and the conductive support 2, the sacrificial anode parts 6 can be used to provide an anti-corrosion effect for the submarine pipeline, and the insulating box cover 4 can be closed and opened. When the number of sacrificial anode parts 6 inside the insulating box body 3 decreases, new sacrificial anodes can be directly added to the inside, and since the insulating box body 3 has sacrificial anode parts 6 inside, it can continuously provide an anti-corrosion effect, and it is convenient to use. Through the set insulating box body 3, insulating box cover 4, conductive support 2, and conductive connector 8, multiple sacrificial anode parts 6 can be placed at one time, extending the consumption time, and when a single sacrificial anode part 6 is replaced, it can still provide an anti-corrosion function for the submarine pipeline, and it has strong sustainability; the set fixed component 1 can quickly fix the fixed iron sheet 101 on the submarine pipeline, and is suitable for submarine pipelines of different thicknesses, with strong applicability and convenient use.

[0025] Working principle: When in use, first take out the connecting frame 1021 from the slot on the fixed iron sheet 101, then put the fixed iron sheet 101 around the target submarine pipeline, and then stretch the spring 1022 to fit submarine pipelines of different thicknesses, then snap the connecting frame 1021 into the corresponding slot on the fixed iron sheet 101, and then place multiple sacrificial anode parts 6 in the insulating box body 3. Under the connection of the conductive plate 7, the conductive connector 8 and the conductive support 2, the sacrificial anode parts 6 can be used to provide an anti-corrosion effect for the submarine pipeline, and the insulating box cover 4 can be closed and opened. When the number of sacrificial anode parts 6 inside the insulating box body 3 becomes less, new sacrificial anodes can be directly added to the inside, and since there are sacrificial anode parts 6 inside the insulating box body 3, it can continuously provide an anti-corrosion effect, and it is easy to use.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An anti-corrosion structure for submarine pipeline clamp-type repair, characterized in that: The invention comprises two fixing components (1), wherein the upper part of the fixing component (1) is fixedly connected to a conductive support member (2), the upper part of the conductive support member (2) is fixedly connected to an insulating box body (3), an insulating box cover (4) is rotatably connected to the insulating box body (3), the insulating box cover (4) and the insulating box body (3) are snap-fitted and connected via a buckle (5), a placement groove is provided inside the insulating box body (3), a sacrificial anode member (6) is placed in the placement groove, both ends of the sacrificial anode member (6) are fixedly connected to a conductive plate (7), a conductive connecting member (8) is fixedly connected to the conductive plate (7), and the conductive connecting member (8) is ) is fixedly connected to a conductive support member (2), the fixed component (1) comprising a fixed iron sheet (101) fixedly mounted on the lower part of the conductive support member (2), the fixed iron sheet (101) being fixed to a submarine pipeline via an elastic component (102), the elastic component (102) comprising a rotating frame (1023) rotatably mounted on one end of the fixed iron sheet (101), the rotating frame (1023) being fixedly connected to a spring (1022), the lower end of the spring (1022) being fixedly connected to a connecting frame (1021), the connecting frame (1021) being snap-fitted and connected to the other end of the fixed iron sheet (101).

2. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The longitudinal cross-section of the conductive support member (2) is L-shaped.

3. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The longitudinal cross-section of the fixed iron sheet (101) is in the shape of an arc.

4. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The number of the sacrificial anode parts (6) is at least six and they are evenly arranged.

5. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The conductive plate (7) is located inside the insulating box body (3).

6. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The conductive connecting piece (8) is located outside the insulating box body (3).

7. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The spring (1022) is arranged axially symmetrically.

8. The anti-corrosion structure for the clamp-type repair of submarine pipelines according to claim 1 is characterized in that: The connection frame (1021) is in a U-shape.