CN210092855U

CN210092855U - 35KV cold-shrinking joint

Info

Publication number: CN210092855U
Application number: CN201921312846.3U
Authority: CN
Inventors: 江卫华
Original assignee: Wujiang Huangpu Cold And Hot Contracting Products Co Ltd
Current assignee: Wujiang Huangpu Cold And Hot Contracting Products Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-02-18
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a 35KV shrinkage joint, including first cable, waterproof sealing boot, first cold draw pipe, buckle hoop, shielding layer, the cold draw pipe of second, armor, the fire-retardant pipe of protection against insects, sheath, second cable, buckle hoop groove and bolt. The utility model discloses a sheath subassembly is multilayer structure, and the protection against insects fire-retardant pipe of device can improve the protection against insects fire-retardant ability of device greatly, and the armor can greatly reduce the device and explode the emergence of the condition of splitting with second shrinkage pipe when insolating under the sun, and the life of device is higher, is favorable to the protection of first cable and second cable junction; the sheath is installed outward and is detained the hoop, under the effect of detaining the hoop, has improved tensile ability after first cable and the second cable connection greatly, and the emergence of the first cable of having avoided of very big degree and second cable is because of receiving the pulling force and the condition of separating is favorable to guaranteeing the normal use after first cable and the second cable connection.

Description

35KV cold-shrinking joint

Technical Field

The utility model relates to a shrinkage connects, specifically is a 35KV shrinkage connects, belongs to shrinkage and connects application technology field.

Background

The cold contraction joint is made up by using elastomer material and making it undergo the processes of injection vulcanization moulding in factory, expanding diameter and lining with plastic spiral support to form various cable accessories, and when it is mounted on site, these pre-expansion pieces are cover-mounted on the treated cable joint, the plastic spiral strip supported in the interior of the cable joint is drawn out, and tightly pressed on the cable insulation so as to form the cable accessory.

But its structure of current shrinkage joint mostly only a simple cold shrink pipe, single structure, the protection against insects flame retardant ability of device is relatively poor, when receiving the sun insolate, the cold shrink pipe is easily given vent to anger the condition of exploding and splitting, the life of device is lower, the protection of the cable junction of not being convenient for, and current shrinkage joint its ability of bearing pulling force is relatively poor, when the cable bears the pulling force, the junction of cable is very separated easily, the not being convenient for is produced after the cable is connected and is used, there is certain not enough. Therefore, a 35KV cold-shrink joint is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a 35KV shrinkage joint in order to solve the above-mentioned problem.

The utility model discloses a technical scheme realizes above-mentioned purpose, a 35KV shrinkage joint, including first cable, second cable and cable sheath subassembly, the sinle silk of first cable and second cable links together, the cable sheath subassembly cup joints the outside at first cable and second cable;

the cable sheath assembly comprises a first cold shrinkage pipe, a shielding layer, a second cold shrinkage pipe, an armor layer, an insect-proof flame-retardant pipe and a bolt, the sheath and a buckle hoop, the first cold shrinkage pipe is sleeved outside the first cable and the second cable, the shielding layer, the second cold shrinkage pipe, the armor layer, the insect-proof flame-retardant pipe and the sheath are sequentially coated and installed outside the first cold shrinkage pipe from inside to outside, buckle hoop grooves are formed in the outer walls of two ends of the sheath, and the buckle hoop is installed in the buckle hoop grooves through the bolt.

Preferably, the first cable and the second cable of first shrinkage pipe both ends department externally mounted have waterproof sealing boot, waterproof sticky tape is installed in waterproof sealing boot's outer wall cladding.

Preferably, the outer wall of the wire core connecting part of the first cable and the second cable is coated with an insulating waterproof adhesive tape.

Preferably, the buckle hoop is a stainless steel buckle hoop, and a wear-resistant rubber sealing gasket is arranged at the contact position of the buckle hoop and the sheath.

Preferably, the insect-proof flame-retardant pipe is a polytetrafluoroethylene pipe, and an insect-proof agent and a flame retardant are added into the insect-proof flame-retardant pipe.

Preferably, the sheath is a rubber sleeve, and a steel wire mesh layer is embedded in the sheath.

The utility model has the advantages that:

1. the utility model discloses a sheath subassembly is multilayer structure, and for only having one deck cold shrinkage pipe, the protection against insects fire-retardant pipe of device can improve the protection against insects fire-retardant ability of device greatly, and the armor can greatly reduce the emergence of the first cold shrinkage pipe and the second cold shrinkage pipe condition of exploding when the device insolate under the sun, and the life of device is higher, is favorable to the protection of first cable and second cable junction;

2. the utility model discloses think about novelty, the sheath is installed outward and is detained the hoop, under the effect of detaining the hoop, has improved tensile ability after first cable and the second cable are connected greatly, and the emergence of the first cable of having avoided of very big degree and the second cable divides the condition because of receiving the pulling force after connecting is favorable to guaranteeing the normal use after first cable and the second cable is connected.

Drawings

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

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the internal structure of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a front view of the sheath of the present invention.

In the figure: 1. the anti-insect and anti-flaming cable comprises a first cable, a waterproof sealing sleeve, a first cold shrinkage pipe, a buckle, a shielding layer, a second cold shrinkage pipe, a waterproof layer, a first cold shrinkage pipe, a waterproof layer, a buckle hoop, a shielding layer, a second cold shrinkage pipe, a waterproof layer, an armor layer, an anti-insect and anti-flaming pipe, a waterproof layer, a second cold shrinkage pipe, a waterproof layer.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a 35KV cold-shrink connector includes a first cable 1, a second cable 10 and a cable sheath assembly, wherein cores of the first cable 1 and the second cable 10 are connected together, and the cable sheath assembly is sleeved outside the first cable 1 and the second cable 10, so as to facilitate protection of a connection position of the first cable 1 and the second cable 10;

the cable sheath component comprises a first cold shrinkage pipe 3, a shielding layer 5, a second cold shrinkage pipe 6, an armor layer 7, an insect-proof flame-retardant pipe 8, a bolt 12, a sheath 9 and a buckle 4, wherein the first cold shrinkage pipe 3 is sleeved outside the first cable 1 and the second cable 10, so that the primary protection after the first cable 1 and the second cable 10 are connected is facilitated, the shielding layer 5, the second cold shrinkage pipe 6, the armor layer 7, the insect-proof flame-retardant pipe 8 and the sheath 9 are sequentially coated and installed outside the first cold shrinkage pipe 3 from inside to outside, the shielding layer 5 is convenient for avoiding the occurrence of the breakdown condition of the cable sheath component caused by current, the armor layer 7 is convenient for avoiding the occurrence of the rupture condition of the first cold shrinkage pipe 3 and the second cold shrinkage pipe 6 when exposed to the sun, the insect-proof flame-retardant pipe 8 can greatly improve the flame-retardant capability of the device, the buckle grooves 11 are formed in the outer walls at two ends of the sheath 9, so that the buckle 4 is convenient to, the buckle 4 is installed in the buckle groove 11 through a bolt 12, so that the cable sheath assembly can be conveniently fixed on the first cable and the second cable 10.

The waterproof sealing sleeves 2 are arranged outside the first cable 1 and the second cable 10 at two ends of the first cold shrink tube 3, and waterproof adhesive tapes are wrapped and arranged on the outer walls of the waterproof sealing sleeves 2, so that the waterproof capability of the device is improved conveniently; the outer wall of the wire core connecting part of the first cable 1 and the second cable 10 is coated with an insulating waterproof adhesive tape, so that the electric leakage of the device is avoided; the buckle 4 is a stainless steel buckle, and a wear-resistant rubber sealing gasket is arranged at the contact position of the buckle 4 and the sheath 9, so that the friction condition of the sheath 9 left by the buckle 4 is avoided; the insect-proof flame-retardant pipe 8 is a polytetrafluoroethylene pipe, and an insect-proof agent and a flame retardant are added into the insect-proof flame-retardant pipe 8, so that the insect-proof flame-retardant capability of the device is improved conveniently; the sheath 9 is a rubber sleeve, and a steel wire mesh layer is embedded in the sheath 9, so that the structural strength of the sheath 9 is improved.

When the utility model is used, the wire cores of a first cable 1 and a second cable 10 are connected together, the wire core connection part is wound with an insulating waterproof adhesive tape, then a first cold shrinkage pipe 3 is sleeved outside the wire core connection part of the first cable 1 and the second cable 10, then a shielding layer 5, a second cold shrinkage pipe 6, an armor layer 7, an insect-proof flame-retardant pipe 8 and a sheath 9 are sequentially arranged outside the first cold shrinkage pipe 3, then a buckle 4 is arranged in buckle grooves 11 at two ends of the outer wall of the sheath 9, and the buckle 4 is fastened by using a bolt 12, at the moment, the buckle 4 further fixes the sheath 9, the shielding layer 5, the second cold shrinkage pipe 6, the armor layer 7, the insect-proof flame-retardant pipe 8 and the first cold shrinkage pipe 3 on the first cable 1 and the second cable 10, then a waterproof sealing sleeve 2 is sleeved on the first cable 1 and the second cable 10 at two ends of the first cold shrinkage pipe 3, and is wound and fixed by using the waterproof adhesive tape, under the effect of buckle hoop 4, the tensile ability is born after first cable 1 and the connection of second cable 10 has been improved greatly, the sinle silk of having avoided first cable 1 and second cable 10 of very big degree is connected the back, because of receiving the emergence of the pulling force and the condition of separating, be favorable to guaranteeing the normal use after first cable 1 and the connection of second cable 10, contain sheath 9 in the device, shielding layer 5, the cold shrink pipe 6 of second, armor 7, the fire-retardant pipe 8 of protection against insects and first cold shrink pipe 3, for only the cold shrink pipe of one deck, the fire-retardant pipe 8 of protection against insects of device can improve the fire-retardant ability of protection against insects of device greatly, armor 7 can greatly reduced the device first cold shrink pipe 3 and the emergence of the 6 explosive rupture circumstances of second cold shrink pipe when insolateing under the sun, the life of device is higher, be favorable to the protection of first cable 1 and the junction of second cable 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A35 KV cold-shrink joint is characterized in that: the cable comprises a first cable (1), a second cable (10) and a cable sheath assembly, wherein the cable cores of the first cable (1) and the second cable (10) are connected together, and the cable sheath assembly is sleeved outside the first cable (1) and the second cable (10);

the cable sheath assembly comprises a first cold shrinkage pipe (3), a shielding layer (5), a second cold shrinkage pipe (6), an armor layer (7), an insect-proof flame-retardant pipe (8), a bolt (12), a sheath (9) and a buckle hoop (4), wherein the first cold shrinkage pipe (3) is sleeved outside the first cable (1) and the second cable (10), the shielding layer (5), the second cold shrinkage pipe (6), the armor layer (7), the insect-proof flame-retardant pipe (8) and the sheath (9) are sequentially coated and installed outside the first cold shrinkage pipe (3), buckle hoop grooves (11) are formed in the outer walls of two ends of the sheath (9), and the buckle hoop (4) is installed in the buckle hoop grooves (11) through the bolt (12).

2. A 35KV cold-shrink joint according to claim 1, wherein: the outer mounting of the first cable (1) and the second cable (10) at two ends of the first cold shrink tube (3) is provided with a waterproof sealing sleeve (2), and the outer wall of the waterproof sealing sleeve (2) is coated with a waterproof adhesive tape.

3. A 35KV cold-shrink joint according to claim 1, wherein: and an insulating waterproof adhesive tape is coated and installed on the outer wall of the wire core connecting part of the first cable (1) and the second cable (10).

4. A 35KV cold-shrink joint according to claim 1, wherein: the buckle hoop (4) is a stainless steel buckle hoop, and a wear-resistant rubber sealing gasket is arranged at the contact position of the buckle hoop (4) and the sheath (9).

5. A 35KV cold-shrink joint according to claim 1, wherein: the insect-proof flame-retardant pipe (8) is a polytetrafluoroethylene pipe, and an insect-proof agent and a flame retardant are added into the insect-proof flame-retardant pipe (8).

6. A 35KV cold-shrink joint according to claim 1, wherein: the protective sleeve (9) is a rubber sleeve, and a steel wire mesh layer is embedded in the protective sleeve (9).