Splicing protection cover shell at deep sea pipeline joint

The modular protective cover design utilizes a combination of connecting slots, inserts, and springs to achieve rapid fixation. Combined with the use of limit rings and bolts, it solves the problem of slow installation and disassembly in existing technologies, improving the installation efficiency and stability of the protective cover at deep-sea pipeline joints.

CN223754978UActive Publication Date: 2026-01-02WEIOU (TIANJIN) HIGH-TECH GRP CO LTD
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Patent Information

Application Number
CN202520503480.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-02
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The existing split design of the protective cover at the joint of deep-sea pipelines results in a slow installation and disassembly process, affecting work efficiency.

Method used

The design features a modular protective cover that connects to the connecting slots and plugs, and utilizes springs to press the locking blocks to engage the connecting seats, achieving rapid fixation. Meanwhile, the combination of a limiting ring and bolts enhances connection stability.

Benefits of technology

It enables quick installation and removal between protective cover housings, improving installation efficiency and enhancing connection stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a splicable deep sea pipeline seam protective cover shell, and particularly relates to the technical field of deep sea pipelines, the splicable deep sea pipeline seam protective cover shell comprises a protective cover shell body, two sides of the protective cover shell body are respectively welded with a connecting insertion block, and two outer side walls of the protective cover shell body are respectively fixedly welded with a fixed seat. Connecting rods are movably arranged on the surfaces of the fixing bases in a penetrating mode, clamping blocks are arranged at one ends of the connecting rods, springs sleeve the outer sides of the connecting rods, connecting grooves connected with the connecting insertion blocks in a clamped mode are formed in the two sides of the other protective cover shell, and connecting bases are welded to the two outer side walls of the protective cover shell correspondingly; by means of the structure, the two protective cover shells can be fixedly connected rapidly, and the mounting and dismounting efficiency of the two protective cover shells is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to deep sea pipeline technical field more specifically, the utility model relates to a kind of spliced deep sea pipeline joint protection cover shell. BACKGROUND

[0002] Ocean oil and gas has become an important part of China's energy, the main equipment of ocean oil and gas exploitation is drilling platform, and the transmission of extracted oil and gas mainly relies on submarine pipeline, and the pipeline is connected by flange, and the flange is damaged due to corrosion of seawater and erosion of marine organisms, thus there is a certain security risk, and thus a protective cover shell is usually provided at the pipeline connection;

[0003] At present, most of the deep sea pipeline joint protection cover shell adopts split design, that is, the protection cover shell is divided into two halves, and the two halves of the protection cover shell are fixed by a plurality of bolts during installation. However, this type of fixed connection makes the installation and subsequent maintenance and disassembly process relatively slow, thereby affecting the work efficiency.

[0004] Therefore, in view of the above problems, a spliced deep sea pipeline joint protection cover shell is proposed. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a spliced deep sea pipeline joint protection cover shell to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spliced deep sea pipeline joint protection cover shell, comprising a protection cover shell body, one of the protection cover shell bodies is welded with a connecting plug on both sides, the protection cover shell body is fixedly welded with a fixing seat on both outer side walls, a connecting rod is movably provided on the surface of the fixing seat, a clamping block is provided at one end of the connecting rod, a spring is provided outside the connecting rod, the other protection cover shell body is provided with a connecting groove on both sides, the connecting groove is connected with the connecting plug, a connecting seat is welded on both outer side walls of the protection cover shell body, and a clamping groove is provided on the connecting seat and connected with the clamping block.

[0007] Preferably, the inner wall of the connecting groove is fixedly provided with two sealing rubber strips to increase the sealing property between the two protection cover shell bodies.

[0008] Preferably, two connecting blocks are welded on both ends of the two protection cover shell bodies, and a limiting hole is provided on the connecting block.

[0009] Preferably, a limiting ring is provided outside the two connecting blocks, a limiting seat is fixedly welded on the limiting ring, and a bolt is threadedly provided on the limiting seat and connected with the limiting hole.

[0010] Preferably, two connecting pipes are arranged in the two protective cover housings, and one connecting flange is fixedly arranged at the end of each of the two connecting pipes.

[0011] Preferably, a plurality of threaded holes are equidistantly arranged on the two connecting flanges, and the two connecting flanges are fixedly connected through the cooperation of bolts and the threaded holes on the connecting flanges.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1. Compared with the prior art, the two protective cover housings are connected in position through the insertion connection of the connecting groove and the connecting plug, the spring extrusion block is extruded, and then the block is inserted into the clamping groove arranged on the insertion connection seat, so that the two protective cover housings connected in position are fixed, the structure can quickly realize the fixed connection between the two protective cover housings, and the installation and disassembly efficiency between the two protective cover housings is improved.

[0014] 2. Compared with the prior art, the two connecting blocks arranged on the two sides of the two protective cover housings are limited through the arrangement of the limiting ring, and the limiting ring is limited through the insertion of the bolt on the limiting seat and the limiting hole on the connecting block, so that the stability of the connection between the two protective cover housings is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front perspective structure schematic view of the utility model.

[0016] Figure 2 It is a local perspective exploded structure schematic view of the utility model.

[0017] Figure 3 It is a local perspective structure schematic view of the utility model.

[0018] Figure 4 It is a local perspective structure schematic view of the utility model Figure 3 A perspective structure schematic view of the utility model.

[0019] The reference signs are: 1, protective cover housing; 2, connecting block; 3, connecting groove; 4, connecting plug; 5, fixing seat; 6, connecting rod; 7, block; 8, spring; 9, connecting seat; 10, clamping groove; 11, connecting pipe; 12, connecting flange; 13, limiting ring; 14, limiting seat; 15, limiting hole. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Embodiment 1

[0022] As shown in the accompanying drawings Figures 1 to 4 A splicable deep-sea pipeline joint protective shell, comprising a protective shell body 1, a connecting plug 4 is welded on both sides of the protective shell body 1, a fixing seat 5 is fixedly welded on the outer side wall of the protective shell body 1, a plurality of connecting rods 6 are movably arranged on the surface of the fixing seat 5, a clamping block 7 is arranged at one end of the connecting rod 6, and the other end of the plurality of connecting rods 6 can be connected by a connecting rod, so that the plurality of connecting rods 6 can be pulled at the same time by the connecting rod, a spring 8 is arranged on the outer side of the connecting rod 6, a connecting groove 3 for clamping connection of the connecting plug 4 is formed on both sides of the other protective shell body 1, a sealing rubber strip for increasing the sealing property between the two protective shell bodies 1 is fixedly arranged on the inner wall of the connecting groove 3, and a connecting seat 9 is welded on the outer side wall of the protective shell body 1, and a clamping groove 10 for plug-in connection of the clamping block 7 is arranged on the connecting seat 9.

[0023] When the device is used, the connecting rod 6 is first pulled, then the connecting plug 4 arranged on one protective shell body 1 is inserted into the connecting groove 3 arranged on the other protective shell body 1, the two protective shell bodies 1 are connected in position, then the connecting rod 6 is released, at this time the spring 8 arranged on the outer side of the connecting rod 6 extrudes the clamping block 7, and then the clamping block 7 is inserted into the clamping groove 10 arranged on the connecting seat 9, so that the two protective shell bodies 1 connected in position are fixed, the structure can quickly realize the fixed connection between the two protective shell bodies 1, and improve the installation and dismounting efficiency between the two protective shell bodies 1.

[0024] Embodiment 2

[0025] Based on the basis of embodiment 1, the scheme in embodiment 1 is further introduced in detail in combination with the specific working mode as shown in the accompanying drawings Figures 1 to 4 , and detailed description is made as follows:

[0026] As a preferred embodiment, two protective cover housings 1 are welded with a connecting block 2 at both ends, the connecting block 2 is provided with a limiting hole 15, the outer sides of the two connecting blocks 2 are jointly sleeved with a limiting ring 13, the limiting ring 13 is symmetrically fixed and welded with a limiting seat 14, and the limiting seat 14 is threaded with a bolt inserted and connected with the limiting hole 15.

[0027] As a preferred embodiment, two connecting pipes 11 are arranged in the two protective cover housings 1, one connecting flange 12 is fixedly arranged at the end of each connecting pipe 11, a plurality of threaded holes are equidistantly arranged on the two connecting flanges 12, and the two connecting flanges 12 are fixedly connected through the cooperation of the bolts and the threaded holes on the connecting flanges 12.

[0028] The working process of the utility model is as follows: firstly, the two limiting rings 13 are respectively sleeved on the outer sides of the two connecting pipes 11, then the two protective cover housings 1 are arranged outside the two connecting flanges 12 arranged at one end of the two connecting pipes 11, then the connecting plug 4 arranged on one protective cover housing 1 is inserted into the connecting groove 3 arranged on the other protective cover housing 1, the limiting connection between the two protective cover housings 1 is realized, then the connecting rod 6 is released, at this time, the spring 8 arranged outside the connecting rod 6 extrudes the clamping block 7, and then the clamping block 7 is inserted into the clamping groove 10 arranged on the connecting seat 9, so that the two limiting connected protective cover housings 1 are fixed, then the two limiting rings 13 are slid, the limiting ring 13 is sleeved on the outer sides of the two connecting blocks 2, the limiting ring 13 can limit the connecting blocks 2 arranged on the two sides of the two protective cover housings 1, and the limiting ring 13 is limited through the insertion of the bolts on the limiting seat 14 and the limiting holes 15 on the connecting blocks 2, so as to further improve the stability of the connection between the two protective cover housings 1.

Claims

1. A splicable protective cover for deep-sea pipeline joints, comprising a protective cover shell (1), characterized in that: One of the protective cover housings (1) has a connecting plug (4) welded on both sides. The protective cover housing (1) has a fixed seat (5) fixedly welded on both outer walls. A connecting rod (6) is movably passed through the surface of the fixed seat (5). A locking block (7) is provided at one end of the connecting rod (6). A spring (8) is sleeved on the outside of the connecting rod (6). The other protective cover housing (1) has a connecting groove (3) on both sides that engages with the connecting plug (4). The protective cover housing (1) has a connecting seat (9) welded on both outer walls. A locking groove (10) is provided on the connecting seat (9) that engages with the locking block (7).

2. The splicable deep-sea pipeline joint protective cover according to claim 1, characterized in that: The inner wall of the connecting groove (3) is fixedly provided with sealing rubber strips to increase the sealing between the two protective cover shells (1).

3. The splicable deep-sea pipeline joint protective cover according to claim 1, characterized in that: A connecting block (2) is welded to both ends of the two protective cover shells (1), and a limit hole (15) is opened on the connecting block (2).

4. The splicable deep-sea pipeline joint protective cover according to claim 3, characterized in that: A limiting ring (13) is fitted on the outer side of both connecting blocks (2). A limiting seat (14) is symmetrically fixedly welded on the limiting ring (13). A bolt that is threaded through the limiting seat (14) and inserted into the limiting hole (15) is provided.

5. The splicable deep-sea pipeline joint protective cover according to claim 1, characterized in that: Two connecting pipes (11) are provided inside the two protective cover housings (1), and a connecting flange (12) is fixedly provided at the end of each of the two connecting pipes (11) that are close to each other.

6. A splicable protective cover for deep-sea pipeline joints according to claim 5, characterized in that: The two connecting flanges (12) are provided with a number of threaded holes at equal intervals, and the two connecting flanges (12) are fixedly connected by bolts to the threaded holes on the connecting flanges (12).