CN219287117U

CN219287117U - Counterweight type submarine cable protection pipe

Info

Publication number: CN219287117U
Application number: CN202223413707.4U
Authority: CN
Inventors: 黄延成; 梅新华; 许振海
Original assignee: Jinan Laiwu Haitian Machinery Manufacturing Co ltd
Current assignee: Jinan Laiwu Haitian Machinery Manufacturing Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-30
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a counterweight submarine cable protection pipe, which comprises: a plurality of first protective sheath assemblies comprising a first polypropylene layer, a first steel wire mesh, a first polyethylene layer, and a first asphalt coating; a plurality of second protective sheath components comprising a second polypropylene layer, a second steel wire mesh, a second polyethylene layer, and a second asphalt coating; the V-shaped blocks are clamped at the bottom of the second protective sleeve assembly, and the first balancing weight is embedded at the bottom of the second polypropylene layer. The utility model utilizes the arrangement mode of the first protective sleeve component, the second protective sleeve component, the V-shaped block and the first balancing weight to improve the firmness and the wear resistance of the protective tube, is convenient for the protective tube to stably sink according to the self weight, ensures that the V-shaped block is always stably positioned at the bottom end and can rub with sandy soil, reduces the friction influence of the sandy soil on the outer wall of the second protective sleeve component, and improves the service life of the protective tube.

Description

Counterweight type submarine cable protection pipe

Technical Field

The utility model relates to the technical field of cable protection pipes, in particular to a counterweight type submarine cable protection pipe.

Background

The submarine cable is a cable wrapped by insulating materials and paved on the sea floor for telecommunication transmission, the submarine cable needs to be installed in a steel pipe when being installed, the submarine cable is prevented from being damaged by water pressure, the submarine cable is wrapped in a steel wire with extremely high overall strength and is sleeved in a copper pipe, and finally a protective pipe made of polyethylene material is sleeved.

Because the protection tube used at present is basically made of circular polyethylene, the self weight is lower, the protection tube is not easy to stably combine with submarine sandy soil, the protection tube can sink and completely press by the gravity of a submarine cable, the sandy soil can continuously move under the action of a marine environment, the protection tube made of polyethylene is easy to continuously rub with the sandy soil, and the service life of the protection tube is easy to be reduced.

Disclosure of Invention

The utility model aims to provide a counterweight type submarine cable protection pipe, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a weighted submarine cable protection tube comprising:

a plurality of first protective jacket assemblies comprising a first polypropylene layer, a first steel wire mesh, a first polyethylene layer, and a first asphalt coating, the first steel wire mesh disposed between the first polypropylene layer and the first polyethylene layer;

a plurality of second protective sheath components comprising a second polypropylene layer, a second steel wire mesh, a second polyethylene layer, and a second asphalt coating, the second steel wire mesh disposed between the second polypropylene layer and the second polyethylene layer;

the bottom of second protective sheath subassembly is located to a plurality of V type pieces, its card, the relative one end fixed connection of first protective sheath subassembly and adjacent second protective sheath subassembly, the bottom on second polypropylene layer inlays and is equipped with first balancing weight.

Preferably, the bottom of second polypropylene layer both sides all inlays and is equipped with the second balancing weight, the fixed cover of outer wall of first balancing weight and second balancing weight is equipped with the protective housing.

Preferably, the second protective sleeve component is in a pentagonal structure, and chamfer angles are formed at two side corners of two sides of the second protective sleeve component.

Preferably, the inner wall of the second polypropylene layer is in an irregular structure, and the inner walls of the second polypropylene layer and the first polypropylene layer are both provided with insulating layers.

Preferably, the first asphalt coating is disposed on an outer wall of the first polyethylene layer, and the second asphalt coating is disposed on an outer wall of the second polyethylene layer.

Preferably, the V-shaped block is fixed at the bottom of the second asphalt coating, and the first polypropylene layer is fixedly connected with one end of the adjacent second polypropylene layer.

Preferably, the first polyethylene layer is fixedly connected with one end of the adjacent second polyethylene layer, and the first steel wire mesh sleeve is fixedly connected with one end of the adjacent second steel wire mesh sleeve.

The utility model has the technical effects and advantages that:

(1) The utility model utilizes the arrangement mode that the first protective sleeve component, the second protective sleeve component, the V-shaped block and the first balancing weight are matched, the firmness and the wear resistance of the protective tube are improved through the first steel wire mesh sleeve and the second steel wire mesh sleeve, the V-shaped block and the first balancing weight facilitate the stable sinking of the protective tube according to the self weight, the V-shaped block is always stably positioned at the bottom end and can rub with sandy soil, the friction influence of the sandy soil on the outer wall of the second protective sleeve component is reduced, and the service life of the protective tube is prolonged;

(2) According to the utility model, the arrangement mode of matching the second balancing weight with the chamfer angle is utilized, the stability of the sinking surface of the protection pipe is conveniently improved through the second balancing weight, so that the protection pipe cannot turn over randomly due to ocean motion on the sea bottom, the friction damage of sand and the like to the outer wall of the second protective sleeve assembly is reduced through the chamfer angle, and the practicability and stability of the submarine cable protection pipe are improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall front cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 1. a first protective sleeve assembly; 11. a first polypropylene layer; 12. a first steel wire mesh cover; 13. a first polyethylene layer; 14. a first asphalt coating; 2. a second protective sleeve assembly; 21. a second polypropylene layer; 22. a second steel wire mesh sleeve; 23. a second polyethylene layer; 24. a second asphalt coating; 3. a V-shaped block; 4. a first balancing weight; 5. a second balancing weight; 6. chamfering; 7. a protective shell; 8. an insulating layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a counterweight type submarine cable protection pipe as shown in fig. 1-3, comprising:

the first protective sleeve assemblies 1 comprise a first polypropylene layer 11, a first steel wire mesh 12, a first polyethylene layer 13 and a first asphalt coating 14, the first protective sleeve assemblies 1 are of circular tube structures, the first steel wire mesh 12 is arranged between the first polypropylene layer 11 and the first polyethylene layer 13, the first asphalt coating 14 is arranged on the outer wall of the first polyethylene layer 13, the first steel wire mesh 12 enables the firmness of the first protective sleeve assemblies 1 to be high, and the first asphalt coating 14 enables the outer wall of the first protective sleeve assemblies 1 to have an anti-corrosion function and reduces corrosion of seawater;

the second protection sleeve assemblies 2 comprise a second polypropylene layer 21, a second steel wire mesh sleeve 22, a second polyethylene layer 23 and a second asphalt coating 24, the second protection sleeve assemblies 2 are in pentagonal structures, so that sharp structures at the bottoms of the second protection sleeve assemblies 2 can be stably inserted into sandy soil at the sea bottom, stability of the counterweight submarine cable protection tube is improved, the inner walls of the second polypropylene layers 21 are in irregular structures, the second steel wire mesh sleeve 22 is arranged between the second polypropylene layer 21 and the second polyethylene layer 23, the second asphalt coating 24 is arranged on the outer walls of the second polyethylene layer 23, the firmness of the second protection sleeve assemblies 2 is higher through the second asphalt coating 24, and the second protection sleeve assemblies 2 are not corroded by seawater through the second asphalt coating 24;

the plurality of V-shaped blocks 3 are clamped at the bottom of the second protective sleeve assembly 2, the V-shaped blocks 3 are fixed at the bottom of the second asphalt coating 24, the V-shaped blocks 3 are of a corrosion-resistant metal structure, and the friction influence of the bottom of the outer wall of the second protective sleeve assembly 2 and sandy soil is reduced through the V-shaped blocks 3, so that the service life of the protective tube is prolonged;

the first protective sleeve component 1 is fixedly connected with one end opposite to the adjacent second protective sleeve component 2, the first polypropylene layer 11 is fixedly connected with one end of the adjacent second polypropylene layer 21, the first polyethylene layer 13 is fixedly connected with one end of the adjacent second polyethylene layer 23, and the first steel wire mesh 12 is fixedly connected with one end of the adjacent second steel wire mesh 22, so that the counterweight type submarine cable protection tube has a stable structure and a certain bending function, is convenient for meeting the bending and laying requirements of cable pipes, and enables cables to be stably inserted into the inner cavity of the counterweight type submarine cable protection tube;

the bottom of second polypropylene layer 21 is inlayed and is equipped with first balancing weight 4, the bottom of second polypropylene layer 21 both sides all is inlayed and is equipped with second balancing weight 5, the fixed cover of outer wall of first balancing weight 4 and second balancing weight 5 is equipped with protective housing 7, through the cooperation of first balancing weight 4 and second balancing weight 5 use, make the bottom of its second protective sheath subassembly 2 insert in the submarine sandy soil steadily, improve the stability of counter weight type submarine cable protection tube on the seabed, chamfer 6 has been seted up in the both sides angle department of second protective sheath subassembly 2 both sides, reduce the friction damage of sandy soil etc. to the outer wall of second protective sheath subassembly 2, the inner wall of second polypropylene layer 21 and first polypropylene layer 11 all is provided with insulating layer 8, be convenient for improve the insulating properties of counter weight type submarine cable protection tube inner wall, improve the practicality of counter weight type submarine cable protection tube.

The working principle of the utility model is as follows:

during the use, penetrate the inner chamber of a plurality of first protective sheath subassemblies 1 and second protective sheath subassemblies 2 with the cable that protects, through the fastness that first steel wire net cover 12 and second steel wire net cover 22 are connected, improve the fastness and the wearability of protection tube, sink into the seabed with counter weight type submarine cable protection tube, through the setting of first balancing weight 4, be convenient for the protection tube can stabilize the messenger V type piece 3 always and be in the bottom according to self weight stability subsidence, through the setting of V type piece 3, make V type piece 3 can rub with the sand, reduce the friction influence of sand to the outer wall of second protective sheath subassemblies 2, improve the life of protection tube, through the setting of second balancing weight 5, be convenient for improve the stability of protection tube face of sinking, make its protection tube can not take place the upset phenomenon at will because of the ocean motion, through the seting up of chamfer 6, reduce the friction damage to the outer wall of second protective sheath subassemblies 2 such as sand, improve submarine cable protection tube's practicality and stability, through the insulating layer 8 of first polypropylene layer 11 and second polypropylene layer 21 inner wall, be convenient for improve submarine cable protection tube inner wall's friction influence to the submarine cable protection tube, make the setting up in the steady submarine cable protection tube.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A weighted submarine cable protection tube, comprising:

a plurality of first protective sheath assemblies (1) comprising a first polypropylene layer (11), a first steel wire mesh (12), a first polyethylene layer (13) and a first asphalt coating (14), the first steel wire mesh (12) being arranged between the first polypropylene layer (11) and the first polyethylene layer (13);

a plurality of second protective sheath assemblies (2) comprising a second polypropylene layer (21), a second steel wire mesh (22), a second polyethylene layer (23) and a second asphalt coating (24), the second steel wire mesh (22) being disposed between the second polypropylene layer (21) and the second polyethylene layer (23);

the V-shaped blocks (3) are clamped at the bottoms of the second protective sleeve assemblies (2), the first protective sleeve assemblies (1) are fixedly connected with one ends, opposite to the adjacent second protective sleeve assemblies (2), of the second polypropylene layer (21), and the bottoms of the second polypropylene layer (21) are embedded with first balancing weights (4).

2. The balance weight type submarine cable protection pipe according to claim 1, wherein the bottoms of two sides of the second polypropylene layer (21) are embedded with second balancing weights (5), and the outer walls of the first balancing weights (4) and the second balancing weights (5) are fixedly sleeved with protective shells (7).

3. The balance weight type submarine cable protection tube according to claim 1, wherein the second protection sleeve component (2) is of a pentagonal structure, and chamfers (6) are formed at two side corners of two sides of the second protection sleeve component (2).

4. The balance weight type submarine cable protection tube according to claim 1, wherein the inner wall of the second polypropylene layer (21) is of an irregular structure, and the inner walls of the second polypropylene layer (21) and the first polypropylene layer (11) are both provided with an insulating layer (8).

5. A weighted submarine cable protection pipe according to claim 1, characterized in that the first asphalt coating (14) is arranged on the outer wall of the first polyethylene layer (13) and the second asphalt coating (24) is arranged on the outer wall of the second polyethylene layer (23).

6. A weighted submarine cable protection tube according to claim 1, characterized in that the V-block (3) is fixed to the bottom of the second asphalt coating (24), the first polypropylene layer (11) being fixedly connected to one end of the adjacent second polypropylene layer (21).

7. A balance weight type submarine cable protection tube according to claim 1, wherein the first polyethylene layer (13) is fixedly connected with one end of an adjacent second polyethylene layer (23), and the first steel wire mesh sleeve (12) is fixedly connected with one end of an adjacent second steel wire mesh sleeve (22).