A composite material cable lead-in protection tube for distribution network construction

By using composite cables to lead the protective tube and injecting liquid polyethylene on the lead line, the problem of easy oxidation and corrosion in the air exposed is solved, and the service life is significantly improved.

CN222706189UActive Publication Date: 2025-04-01国网江西省电力有限公司宜春供电分公司
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Patent Information

Application Number
CN202421403554.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-01
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

In the prior art, exposed to air is prone to oxidation and corrosion, resulting in a reduced service life.

Method used

The composite cable lead-on-line protection pipe is used to protect the lead-on-line through the composite casing, and the heated liquid polyethylene is injected through the pouring port set at the upper cover to further improve the protection effect.

Benefits of technology

Effectively prevent oxidation and corrosion caused by the lead-in and significantly improve its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a composite material cable lead-in wire protection tube for distribution network construction, which comprises a lead-in wire, a composite casing is sleeved on the outer wall of the lead-in wire, a closing component is installed on the composite casing, and the closing component comprises an upper cover and a lower cover, a casting port is arranged on the upper cover, and a limiting bolt is arranged on the lower cover. The lead-in wire can be protected by the composite casing to prevent oxidation and corrosion. Compared with the prior art in which the lead-in wire is directly exposed to the outside air, the device can greatly improve the service life of the lead-in wire, and the polyethylene liquefied after heating can be injected into the composite casing through the casting port arranged on the upper cover, so as to further improve the service life of the lead-in wire.
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Description

Technical Field

[0001] The utility model relates to the technical field of power grid construction, in particular to a composite material cable lead-in protection tube for distribution network construction. Background Art

[0002] In building installation engineering, the professional term for lightning protection grounding refers to the grounding busbar or the upper lead of equipotential, which is connected to the lightning protection net, etc. and corresponds to the down conductor. The material is generally round steel of not less than Φ16mm or flat steel of not less than 25*4.

[0003] The lead-in wires in the prior art are generally exposed to the air for a long time and are easily oxidized and corroded, so their service life will be greatly reduced. In view of the above problems, a composite material cable lead-in wire protection tube for distribution network construction is needed to solve the above problems. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the existing composite material cable lead-in protection tube for distribution network construction, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a composite material cable lead-in wire protection tube for distribution network construction. The lead-in wire can be protected by the composite casing to prevent it from oxidation and corrosion. Compared with the prior art of directly exposing it to the outside air, the device can greatly improve the service life of the lead-in wire, and the liquefied polyethylene after heating can be injected into the composite casing through the pouring port arranged on the upper cover, which can further improve the service life of the lead-in wire.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A composite material cable lead-in protection tube for distribution network construction comprises a lead-in wire; a composite sleeve is sleeved on the outer wall of the lead-in wire, a closing component is installed on the composite sleeve, and the closing component comprises an upper cover and a lower cover, the upper cover is provided with a pouring port, and the lower cover is provided with a limiting bolt.

[0009] As a preferred solution of the composite material cable lead-in protection tube for distribution network construction described in the utility model, wherein: both ends of the lead-in wire pass through the closed component and are respectively provided with an upper wiring terminal and a lower wiring terminal.

[0010] As a preferred solution of a composite material cable lead-in protection tube for distribution network construction described in the utility model, the composite casing includes an armor layer and an insulation layer, the armor layer is specifically a round steel pipe, and the insulation layer is specifically polyethylene, which is attached to the outer wall of the armor layer through a heating and curing process.

[0011] As a preferred solution of the composite material cable lead-in protection tube for distribution network construction described in the utility model, wherein: the upper cover and the lower cover are threadedly connected with the composite casing.

[0012] As a preferred solution of the composite material cable lead-in wire protection tube for distribution network construction described in the utility model, wherein: the limiting bolt passes through the lower cover and abuts against the lead-in wire.

[0013] As a preferred solution of the composite material cable lead-in protection tube for distribution network construction described in the utility model, wherein: the pouring port is used to inject heated liquid polyethylene into the composite casing.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the lead-in wire can be protected by the composite casing to prevent it from oxidation and corrosion. Compared with the prior art in which the lead-in wire is directly exposed to the outside air, the present device can greatly improve the service life of the lead-in wire, and the liquefied polyethylene after heating can be injected into the composite casing through the pouring port arranged on the upper cover, which can further improve the service life of the lead-in wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the lead-in wire of the utility model;

[0019] Figure 4This is a schematic diagram of the three-dimensional structure of the composite casing of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the closed component of the utility model.

[0021] In the figure; 100 lead-in wire, 110 upper terminal, 120 lower terminal, 200 composite casing, 210 armor layer, 220 insulation layer, 300 closing component, 310 upper cover, 320 casting port, 330 lower cover, 330 limiting bolt. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The utility model provides the following technical solutions: a composite material cable lead-in protection tube for distribution network construction, which can greatly improve the service life of the lead-in during use, and the heated liquefied polyethylene can be injected into the composite casing through the pouring port provided on the upper cover, which can further improve the service life of the lead-in

[0027] Figure 1-Figure 3 The structure diagram of the first embodiment of the composite material cable lead-in protection tube for distribution network construction of the utility model is shown. Figure 1-Figure 3 , a composite material cable lead-in protection tube for distribution network construction in this embodiment, the main part of which includes a lead-in wire 100;

[0028] A composite sleeve 200 is sleeved on the outer wall of the lead-in wire 100, and a closing component 300 is installed on the composite sleeve 200. The two ends of the lead-in wire 100 penetrate the closing component 300 and are respectively provided with an upper terminal 110 and a lower terminal 120. The composite sleeve 200 includes an armor layer 210 and an insulating layer 220. The armor layer 210 is specifically a round steel pipe, and the insulating layer 220 is specifically polyethylene, which is attached to the outer wall of the armor layer 210 through a heating and curing process. The lead-in wire 100 is used to open an upper terminal 110 and a lower terminal 120. The upper terminal 110 is used to connect to a grounding device, and the lower terminal 120 is used to connect to a lightning protection network cable. The composite sleeve 200 is used to improve the service life and insulation of the lead-in wire 100 through the armor layer 210 and the insulating layer 220.

[0029] The closing assembly 300 includes an upper cover 310 and a lower cover 320. The upper cover 310 is provided with a pouring port 320, and the lower cover 320 is provided with a limiting bolt 330. The upper cover 310 and the lower cover 320 are screwed together with the composite casing 200. The limiting bolt 330 penetrates the lower cover 320 and abuts against the lead-in wire 100. The closing assembly 300 is used to close the openings at both ends of the composite casing 200, and the upper cover 310 is used to close the top opening of the composite casing 200. , and a pouring port 320 is provided, the pouring port 320 is used to inject heated liquid polyethylene into the composite casing 200, the lower cover 320 is used to close the bottom opening of the composite casing 200, and bears a locking bolt, the locking bolt is used to limit the position of the lead-in wire 100, and the pouring port 320 is used to fill liquid polyethylene into the composite casing 200, and the lead-in wire 100 is wrapped after the polyethylene is solidified and formed, so as to further improve the protection performance of the lead-in wire 100;

[0030] Combination Figure 1-Figure 3 The present embodiment is a composite material cable lead-in protection tube for distribution network construction. The specific working principle is as follows: the composite casing 200 can protect the lead-in wire 100 from oxidation and corrosion. Compared with the prior art that directly exposes it to the outside air, the present device can greatly improve the service life of the lead-in wire 100, and the liquefied polyethylene after heating can be injected into the composite casing 200 through the pouring port 320 set on the upper cover 310, which can further improve the service life of the lead-in wire 100.

[0031] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A composite material cable lead-in protection tube for distribution network construction, characterized in that: including a lead-in wire (100); A composite sleeve (200) is sleeved on the outer wall of the lead-in wire (100), a closing assembly (300) is installed on the composite sleeve (200), and the closing assembly (300) comprises an upper cover (310) and a lower cover (330), a pouring port (320) is provided on the upper cover (310), and a limiting bolt (340) is provided on the lower cover (330).

2. A composite material cable lead-in protection tube for distribution network construction according to claim 1, characterized in that: Both ends of the lead-in wire (100) pass through the closed component (300) and are respectively provided with an upper wiring terminal (110) and a lower wiring terminal (120).

3. The composite material cable lead-in protection tube for distribution network construction according to claim 1, characterized in that: The composite casing (200) comprises an armor layer (210) and an insulation layer (220), wherein the armor layer (210) is specifically a round steel pipe, and the insulation layer (220) is specifically polyethylene, which is attached to the outer wall of the armor layer (210) through a heating and curing process.

4. The composite material cable lead-in protection tube for distribution network construction according to claim 1, characterized in that: The upper cover (310) and the lower cover (330) are threadedly connected to the composite casing (200).

5. The composite material cable lead-in protection tube for distribution network construction according to claim 1, characterized in that: The limiting bolt (340) passes through the lower cover (330) and abuts against the lead-in wire (100).

6. The composite material cable lead-in protection tube for distribution network construction according to claim 1, characterized in that: The pouring port (320) is used to inject heated liquid polyethylene into the composite sleeve (200).