CN214798622U

CN214798622U - Cable repairing assembly

Info

Publication number: CN214798622U
Application number: CN202022762536.0U
Authority: CN
Inventors: 袁振; 王少华; 王宇川; 张海凤
Original assignee: Cetc Baoli Beijing Technology Co ltd
Current assignee: Cetc Baoli Beijing Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-11-19
Anticipated expiration: 2030-11-25

Abstract

The embodiment of the application relates to a subassembly is restoreed to cable, and this subassembly is restoreed to cable includes: insulating tape layer, insulating clay layer and waterproof tape layer. The insulating tape layer is a base layer, and the lower surface of the insulating tape layer is adhered to the outer surface of the cable core at the position to be repaired of the cable insulating protective layer; the insulating clay layer is a middle layer, and the lower surface of the insulating clay layer is adhered to the outer surface of the insulating adhesive tape layer; the waterproof adhesive tape layer is an outer layer, and the lower surface of the waterproof adhesive tape layer is adhered to the outer surface of the insulating cement layer. The cable repair assembly of the utility model has reasonable and simple structural design, can realize the direct repair of the cable to be repaired through the cohesiveness of the insulating adhesive tape layer, and simplifies the repair operation; and, the introduction on insulating cement layer makes the utility model discloses a subassembly is restoreed to cable, except having that insulating properties is good, intensity is high, still has good adhesion, durability and plasticity, can realize treating the nimble restoration of restoreing the cable.

Description

Cable repairing assembly

Technical Field

The embodiment of the application relates to the technical field of cable repair, in particular to a cable repair assembly.

Background

The overhead line installed in the urban distribution environment is complex in environment, and the conditions of short circuit grounding and cable lightning stroke often occur, so that the power supply reliability is reduced, and therefore, in order to improve the power supply reliability of an urban power grid, the overhead line with an insulating protective layer is generally adopted from the aspects of safety, water resistance, moisture resistance and the like. Among them, crosslinked polyethylene is widely used for manufacturing an insulating layer of an overhead wire because it has excellent properties in terms of heat resistance, insulation, mechanical resistance, chemical resistance, and the like.

However, during the actual use of the overhead wire, the overhead wire is often subjected to external forces such as pulling, cutting, etc. from the outside, thereby causing damage to the insulation layer of the overhead wire, and the overhead wire used in the center of a city has great inconvenience in maintenance and replacement of the overhead wire due to the complexity of the surrounding environment.

Therefore, in order to solve the above problems, there is a need in the art for a new repairing assembly for an insulation protection layer of an overhead wire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subassembly is restoreed to cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a subassembly is restoreed to cable, this subassembly is restoreed to cable includes: the insulating tape layer, the insulating cement layer and the waterproof tape layer;

the insulating tape layer is a base layer, and the lower surface of the insulating tape layer is adhered to the outer surface of the cable core at the position to be repaired of the cable insulating protective layer;

the insulating cement layer is a middle layer, and the lower surface of the insulating cement layer is adhered to the outer surface of the insulating adhesive tape layer;

the waterproof adhesive tape layer is an outer layer, and the lower surface of the waterproof adhesive tape layer is adhered to the outer surface of the insulating cement layer.

Optionally, the thickness of the insulating tape layer is 0.5-1 mm.

Optionally, the thickness of the insulating mortar layer is 0.8-1.5 cm.

Optionally, the thickness of the waterproof adhesive tape layer is 2-4 mm.

Optionally, the width of the insulating tape layer is equal to the width of the insulating mastic layer;

the width of the waterproof adhesive tape layer is larger than that of the insulating clay layer.

Optionally, the insulating mastic layer is made of a polyurethane glue.

Optionally, the cable repair assembly is an integrated structure formed by adhering an insulating tape layer, an insulating cement layer and a waterproof tape layer.

Optionally, the insulating cement layer has plasticity, self-fluxing property and adhesive force;

and based on the bonding force, the plasticity and the self-fluxing property, the insulating cement layer is bonded with the cross section of the insulating protective layer at the position to be repaired through kneading.

Optionally, based on the plasticity and the self-fluxing property of the insulating cement layers, the cable repairing assemblies are transversely spliced and kneaded through the respective insulating cement layers, so that the insulating cement layers with integrated structures are obtained.

Has the advantages that:

the embodiment of the application relates to a subassembly is restoreed to cable, and this subassembly is restoreed to cable includes: insulating tape layer, insulating clay layer and waterproof tape layer. The insulating tape layer is a base layer, and the lower surface of the insulating tape layer is adhered to the outer surface of a copper wire at the position to be repaired of the cable insulating protective layer; the insulating clay layer is a middle layer, and the lower surface of the insulating clay layer is adhered to the outer surface of the insulating adhesive tape layer; the waterproof adhesive tape layer is an outer layer, and the lower surface of the waterproof adhesive tape layer is adhered to the outer surface of the insulating cement layer. Compared with the prior art, the utility model has the advantages of it is following:

1. the cable repair assembly of the utility model has the advantages of reasonable and simple structural design and easy preparation; and, the lower surface on insulating adhesive tape layer has the adhesion, therefore can realize with the utility model discloses a cable repair assembly directly glues the damaged department of covering waiting to restore the cable, accomplishes the restoration to reach the mesh of simplifying the restoration operation.

2. The introduction on insulating cement layer makes the utility model discloses a cable repair assembly, except having that insulating properties is good, intensity is high, still has good adhesion, durability and plasticity, can realize treating the nimble restoration of restoreing the cable. And, because the insulating mortar of the insulating mortar layer can be kneaded to obtain a self-fused integral material, there is no bonding interface, and there is no fear of failure of water resistance due to failure of bonding performance.

3. In the cable repair assembly of the utility model, firstly, an insulating tape layer is wrapped outside a cable core (such as a copper wire) to play a primary protection role for the cable core; then, an insulating cement layer is wrapped on the outer side of the insulating adhesive tape layer, and on one hand, the material of the insulating adhesive tape layer can be protected from being damaged by environmental factors, and on the other hand, the insulativity, the durability and the like of the cable repair assembly can be further improved; and finally, wrapping a waterproof adhesive tape layer on the outer side of the insulating cement layer to improve the waterproof and moistureproof performance of the repairing layer, so that the durability of the cable repairing assembly is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 shows a front view of the cable repair assembly of the present invention.

The reference numbers for fig. 1 are illustrated as: 1. a waterproof adhesive tape layer; 2. an insulating cement layer; 3. an insulating tape layer;

fig. 2 shows a cross-sectional view of the cable after the cable insulation protective layer is repaired by the cable repairing assembly of the present invention;

the reference numbers for fig. 2 are illustrated as: 1. a waterproof adhesive tape layer; 2. an insulating cement layer; 3. an insulating tape layer; 4. a cable insulation protective layer; 5. a cross section of the insulating protective layer; 6. a cable core;

fig. 3 shows a front view of the cable repair assembly after two cable repair assemblies of the present invention are transversely spliced;

the reference numbers for fig. 3 are illustrated as: 1-1, a waterproof adhesive tape layer of the cable repair assembly No. 1; 1-2, and a waterproof adhesive tape layer of a cable repair assembly No. 2; 1-3, a waterproof adhesive tape layer of the cable repair assembly No. 1; 2. the insulation clay layer integrated structure after the transverse splicing of the cable repairing component No. 1 and the cable repairing component No. 2 is adopted; 3-1, cable repair component No. 1; 3-2, cable repair component No. 2; 3-3, cable repair assembly No. 2.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and fig. 2, fig. 1 shows a front view of the cable repair assembly of the present invention, and fig. 2 shows a cross-sectional view of the cable after the cable repair assembly repairs the cable insulation protection layer of the present invention.

As shown in fig. 1, the utility model provides a subassembly is restoreed to cable, this subassembly is restoreed to cable includes: insulating tape layer 3, insulating cement layer 2 and waterproof adhesive tape layer 1.

The insulating tape layer 3 is a base layer, and the lower surface of the insulating tape layer 3 is adhered to the outer surface of the cable core at the position to be repaired of the cable insulating protective layer; the insulating cement layer 2 is a middle layer, and the lower surface of the insulating cement layer 2 is adhered to the outer surface of the insulating adhesive tape layer 3; the waterproof adhesive tape layer 1 is an outer layer, and the lower surface of the waterproof adhesive tape layer 1 is adhered to the outer surface of the insulating clay layer 2.

In the cable repairing assembly in this embodiment, the thickness of the insulating tape layer 3 is 1mm, the thickness of the insulating clay layer 2 is 1.5cm, and the thickness of the waterproof tape layer 1 is 4 mm.

Wherein, the width of the insulating tape layer 3 is equal to that of the insulating clay layer 2; the width of the waterproof adhesive tape layer 1 is larger than that of the insulating clay layer 2, and the larger value is 0.5 cm-1 cm.

In the cable repair assembly provided in this embodiment, the insulating mastic layer 2 is made of polyurethane glue. The polyurethane adhesive in this embodiment may be a polyurethane sealant commonly used in the art. In addition, the insulating tape layer 3 in this embodiment is made of at least one layer of insulating tape commonly used in the art; the waterproof tape layer is made of at least one layer of waterproof tape commonly used in the art.

The cable repair assembly provided by the embodiment is an integrated structure formed by adhering and covering an insulating tape layer 3, an insulating clay layer 2 and a waterproof tape layer 1.

The insulating mortar layer 2 provided by the embodiment has plasticity, self-fluxing property and bonding force; the insulating mastic layer 2 adheres well to the cross section 5 of the insulating and protective layer 4 to be repaired by a kneading operation based on adhesion, plasticity and self-fluxing properties (see fig. 2).

In this embodiment, the utility model provides a subassembly flexible is restoreed to cable, therefore, when restoreing cable insulation protective layer, can twine cable core, realizes the full coverage to cable core, then, carries out the cohesiveness parcel through waterproof adhesive tape layer to the insulation protective layer that does not damage to strengthen the waterproof nature of subassembly is restoreed to cable and the leakproofness to insulation protective layer.

Fig. 2 shows a cross-sectional view of the cable after the cable insulation protective layer is repaired by the cable repairing assembly of the present invention; as shown in fig. 2, in this embodiment, the cable repairing assembly according to the present invention is specifically operated when repairing the cable insulation protective layer:

directly use the utility model discloses a cable repair assembly treats the restoration department and twines, during the winding, the lower surface bonding cable core 6 on insulating adhesive tape layer 3, then at waterproof adhesive tape layer 1's surface, mediate the cable repair assembly, make insulating cement layer 2 fully bond with insulating protective layer's cross section 5, form a body structure, bond face and the cable insulating protective layer 4 for the damage through waterproof adhesive tape layer 1 at last, accomplished sealedly.

In another embodiment, in the cable repairing assembly provided in this embodiment, the width of the insulating tape layer is equal to the width of the insulating cement layer, if the width is 5cm, and the width of the to-be-repaired portion is 10cm, that is, when the width of the to-be-repaired portion is larger than that of the cable repairing assembly, based on the plasticity and self-fluxing property of the insulating cement layer, the cable repairing assemblies may be transversely spliced with each other, and kneaded through the respective insulating cement layers to obtain the insulating cement layer 2 of an integrated structure, and then the insulating tape layers of the two cable repairing assemblies are connected (e.g., 3-3 in fig. 3), and the waterproof tape layers are covered (e.g., 1-3 in fig. 3).

When specifically implementing, fig. 3 shows two the utility model discloses a main view of subassembly is restoreed to cable after subassembly is restoreed to cable carries out horizontal concatenation, as shown in fig. 3, restores subassembly 1 and cable and restores subassembly 2 and transversely splices, realizes the restoration to the damaged cable of large tracts of land. The spliced insulating adhesive tape layer is formed by splicing an insulating adhesive tape layer 3-1 of a cable repair component No. 1 and an insulating adhesive tape layer 3-2 of a cable repair component No. 2; the spliced insulating clay layer 2 is an insulating clay layer integrated structure obtained by kneading an insulating clay layer (not shown in figure 3) of the cable repair component No. 1 and an insulating clay layer (not shown in figure 3) of the cable repair component No. 2; waterproof sticky tape layer after the concatenation is restoreed the waterproof sticky tape layer 1-1 of subassembly No. 1 and the waterproof sticky tape layer 1-2 concatenation of subassembly No. 2 by the cable and is formed to, this waterproof sticky tape layer's concatenation specifically is: based on the inherent adhesion of the lower surface of the waterproof adhesive tape layer, the waterproof adhesive tape layer 2-1 can be covered on the upper surface of the waterproof adhesive tape layer 1-1 for bonding and sealing, and a sealing interface 1-3 is obtained.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.

The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A cable repair assembly, comprising: the insulating tape layer, the insulating cement layer and the waterproof tape layer;

2. The cable repair assembly of claim 1, wherein the insulating tape layer has a thickness of 0.5 mm to 1 mm.

3. The cable repair assembly according to claim 1, wherein the thickness of the layer of insulating mastic is 0.8-1.5 cm.

4. The cable repair assembly of claim 1 wherein the waterproof tape layer has a thickness of 2-4 mm.

5. The cable repair assembly of claim 1, wherein the layer of insulating tape has a width equal to a width of the layer of insulating mastic;

6. The cable repair assembly of claim 1, wherein the layer of insulating mastic is prepared from a polyurethane glue.

7. The cable repair assembly of claim 1, wherein the layer of insulating mastic has a plasticity, self-fluxing properties, adhesion;

8. The cable repair assembly according to claim 1, wherein the cable repair assemblies are transversely spliced with each other based on the plasticity and self-fluxing property of the insulating mastic layers, and are kneaded through the respective insulating mastic layers to obtain the insulating mastic layers in an integrated structure.