CN215415687U

CN215415687U - Shrinkage cable accessories is with convenient test fixture that detects electrical property

Info

Publication number: CN215415687U
Application number: CN202121716996.8U
Authority: CN
Inventors: 徐志林; 张涛; 殷军明
Original assignee: Zhenjiang Dangao Power Technology Co ltd
Current assignee: Zhenjiang Dangao Power Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-04
Anticipated expiration: 2031-07-27

Abstract

The utility model provides a test tool for conveniently detecting electrical property of a cold-contraction cable accessory, which comprises a grounding end and a high-voltage lead end, wherein the grounding end comprises a grounding head and an insulator, the grounding head comprises a limiting part, a guiding part and an inserting part, the limiting part is used for limiting a cold-contraction intermediate joint, the guiding part is used for guiding the cold-contraction intermediate joint, the guiding part and the inserting part are sequentially connected, the insulator is sleeved on the inserting part, the high-voltage lead end comprises a metal rod and an umbrella skirt used for guiding the cold-contraction intermediate joint, the metal rod is sleeved inside the umbrella skirt, and the end part of the metal rod is attached to the end part of the insulator.

Description

Shrinkage cable accessories is with convenient test fixture that detects electrical property

Technical Field

The utility model discloses a test tool for conveniently detecting electrical property of a cold-contraction cable accessory, and belongs to the technical field of test tools for cold-contraction cable accessories.

Background

In the medium-high voltage distribution network line, the shrinkage cable accessories are widely used, after the shrinkage accessories are produced, the electrical performance of the product needs to be fully checked, and the test tool of the shrinkage cable accessories needs to be used when the product is detected.

Among the prior art, cold contraction cable accessories's experimental frock is when using, the back is produced to the cold contraction annex, be not convenient for carry out the electrical property and examine entirely to the product, most producer is type test and selective examination, this just brings very big risk for the electric wire netting operation, also give production, the installation enterprise brings the risk, and generally when the selective examination, be with cold contraction cable accessories according to the installation requirement of cold contraction annex, the preparation is installed and is detected experimentally on experimental cable, experimental back annex, especially cold contraction intermediate head, unable intact taking off, the product has just been scrapped, cause the waste of resource, energy-conserving effect is not good, and when testing, the ground connection effect is not good, there is the potential safety hazard, the problem that appears is solved with convenient experimental frock that detects electrical property to cold contraction cable accessories now urgently needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a test tool for conveniently detecting the electrical property of a cold-contraction cable accessory, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a shrinkage cable accessories is with convenient experimental frock that detects electric property, includes earthing terminal and high-voltage lead terminal, the earthing terminal includes earthing terminal and insulator, the earthing terminal is including what connect gradually be used for carrying out spacing portion, be used for carrying out the guide part and the insertion portion that lead to the shrinkage intermediate head, and the insulator cover is established in the insertion portion, high-voltage lead terminal includes the metal rod and is used for carrying out the umbrella skirt that leads to the shrinkage intermediate head, the metal rod cover is established inside the umbrella skirt, the tip of metal rod is laminated with the tip of insulator mutually.

Furthermore, one side of the metal rod, which is close to the insulator, is provided with a high-voltage contact point, one side of the metal rod, which is far away from the insulator, is provided with a high-voltage contact point, and the end parts of the high-voltage contact points are respectively matched with the end parts of the insulator and the umbrella skirt.

Furthermore, the side wall of the shed is provided with a grounding point for connecting with a stress cone at the end part of the cold-shrink middle joint.

Furthermore, the end part of the guide part is matched with the end part of the insulator, and the limiting part is provided with a connecting hole.

Furthermore, the metal rod penetrates through the whole umbrella skirt, the high-voltage contact point exposed out of the umbrella skirt is 20mm, and the high-voltage contact point exposed out of the umbrella skirt is 20 mm.

Furthermore, the outer diameters of the guide part and the umbrella skirt are respectively 4-6mm larger than the inner diameter of the joint of the guide part and the cold-shrink intermediate joint.

Furthermore, the grounding point, the metal rod and the umbrella skirt are of an integrally formed structure.

The utility model has the beneficial effects that: the utility model discloses a test tool for conveniently detecting electrical property for cold-contraction cable accessories, which is used for the following steps:

1. the tested cold-shrink intermediate joint is sleeved into the grounding joint, the high-voltage contact is provided with the high-voltage lead, and the high-voltage test is started, so that the effect of conveniently detecting the electrical property of the cold-shrink cable accessory is achieved;

2. the cold-shrinkage intermediate joint sleeved in the grounding head is taken out, and then the tested cold-shrinkage intermediate joint is sleeved on the grounding head again to start the next test, so that the situation that the accessories, particularly the cold-shrinkage intermediate joint, cannot be taken off completely after the test to cause product scrap is avoided, and the energy-saving effect is further realized;

3. the grounding point is arranged at the contact position of the stress cone, so that effective grounding can be ensured during a stress cone test, the grounding effect is enhanced, and the safety during use is improved;

4. carry on spacingly to the shrinkage intermediate head through using, need readjust the position after avoiding the shrinkage intermediate head excessive position, improve the installation effectiveness.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front cross-sectional view of a test tool for conveniently detecting electrical properties for a cold-shrink cable accessory in accordance with the present invention;

FIG. 2 is an enlarged view of A in the test tool for conveniently detecting electrical properties for a cold-shrink cable accessory according to the present invention;

FIG. 3 is a front cross-sectional view of a grounding terminal of the testing tool for conveniently detecting electrical properties for cold-shrink cable accessories in accordance with the present invention;

FIG. 4 is a front cross-sectional view of a high voltage lead terminal in a test tool for conveniently detecting electrical properties for a cold-shrink cable accessory in accordance with the present invention;

in the figure: 1-grounding end, 101-grounding end, 1011-limiting part, 1012-guiding part, 1013-inserting part, 102-insulator, 2-stress cone, 3-cold shrinkage intermediate joint, 5-high voltage lead end, 51-high voltage contact point, 52-metal bar, 53-grounding point, 54-umbrella skirt, 55-high voltage contact point and 6-fixing hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a cold contraction cable accessories is with convenient test fixture that detects electric property, including earthing terminal 1 and high-voltage lead terminal 5, earthing terminal 1 includes earthing terminal 101 and insulator 102, earthing terminal 101 is including being used for carrying out spacing portion 1011 to cold contraction intermediate head 3 that connects gradually, a guide part 1012 and an insertion part 1013 that is used for leading to cold contraction intermediate head 3, insulator 102 cover is established on insertion part 1013, high-voltage lead terminal 5 includes excellent 52 of metal and is used for carrying out the full skirt 54 that leads to cold contraction intermediate head 3, excellent 52 of metal overlaps and is established inside full skirt 54, the tip of excellent 52 of metal is laminated with the tip of insulator 102 mutually.

The design is convenient for the high-voltage contact point 51 on the metal rod 52 to be connected with the insulator 102, and the end parts of the high-voltage contact point 51 are respectively matched with the end parts of the insulator 102 and the umbrella skirt 54, so that the tightness of the joint with the cold-shrink intermediate joint 3 is improved, the insulativity of the joint is improved, and the test safety of the cold-shrink intermediate joint 3 is improved, the grounding point 53 for being connected with the stress cone 2 at the end part of the cold-shrink intermediate joint 3 is arranged on the side wall of the umbrella skirt 54, the grounding point 53 is arranged at the contact part of the stress cone 2, the effective grounding during the test of the stress cone 2 is ensured, the grounding effect is enhanced, and the safety during the use is improved,

the tip of guide part 1012 and the tip phase-match of insulator 102, the connecting hole has been seted up on spacing portion 1011, the rationality of this design has been improved, metal rod 52 runs through whole full skirt 54, high-pressure contact 51 exposes full skirt 54 and is 20mm, high-pressure contact 55 exposes full skirt 54 and is 20mm, this design is convenient for connect external high-voltage lead, and high-voltage lead establishes full skirt 54 with cold-shrink intermediate junction 3 end, avoid high-voltage end and ground connection creepage, shorten frock length, guide part 1012, the external diameter of full skirt 54 is greater than respectively and contracts the internal diameter 4-6mm of 3 junctions with cold-shrink intermediate junction, this design has improved the compactness of junction, ground point 53, metal rod 52 and full skirt 54 are the integrated into one piece structure.

As an embodiment of the present invention: when the electrical property of the cold-contraction cable accessory needs to be detected, a worker fixes the grounding end 1 on the external base, the grounding head 101 is partially grounded, silicon oil is smeared on the surface of the cleaning tool, the cold-contraction intermediate joint 3 is tested, after the silicon oil is cleaned and smeared, the cold-contraction intermediate joint 3 is tested and is sleeved on the guide part 1012 of the grounding head 101, the high-voltage contact point 51 and the high-voltage contact point 55 are cleaned and smeared with the silicon oil, the other end of the cold-contraction intermediate joint 3 is inserted, the ground wire is connected by the external shield, the ground wire is connected by the grounding point 53, the high-voltage contact point 55 is provided with a high-voltage lead, a high-voltage test is started, the effect of conveniently detecting the electrical property of the cold-contraction cable accessory is achieved, the cold-contraction intermediate joint 3 is limited under the effect of the limiting part 1011, the situation that the position of the cold-contraction intermediate joint 3 needs to be adjusted again after being over-positioned is avoided, and the installation efficiency is improved.

After the test is finished, the cold-shrinkage intermediate joint 3 sleeved in the grounding head 101 is taken out, then the tested cold-shrinkage intermediate joint 3 is sleeved on the grounding head 101 again, and the next round of test is started, so that the situation that the accessories, particularly the cold-shrinkage intermediate joint 3, cannot be taken off perfectly after the test, the product is scrapped is avoided, the energy-saving effect is further achieved, and the practicability of the utility model is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a shrinkage cable accessories is with experimental frock of convenient detection electric property which characterized in that: including ground terminal (1) and high-voltage lead terminal (5), ground terminal (1) is including ground connection head (101) and insulator (102), ground connection head (101) including connecting gradually be used for carrying on spacing portion (1011), be used for to cold-shrink intermediate head (3) guide part (1012) and insert portion (1013) that lead, insert portion (1013) are established to insulator (102) cover, high-voltage lead terminal (5) include excellent metal (52) and be used for umbrella skirt (54) that lead to cold-shrink intermediate head (3), excellent metal (52) cover is established inside umbrella skirt (54), the tip of excellent metal (52) is laminated with the tip of insulator (102) mutually.

2. The test tool for detecting electrical property conveniently for cold-shrink cable accessories according to claim 1, characterized in that: one side of the metal rod (52) close to the insulator (102) is provided with a high-voltage contact point (51), one side of the metal rod (52) far away from the insulator (102) is provided with a high-voltage contact point (55), and the end parts of the high-voltage contact point (51) are respectively matched with the insulator (102) and the umbrella skirt (54).

3. The test tool for detecting electrical property conveniently for cold-shrink cable accessories according to claim 1, characterized in that: and the side wall of the umbrella skirt (54) is provided with a grounding point (53) for connecting with the stress cone (2) at the end part of the cold-shrink intermediate joint (3).

4. The test tool for detecting electrical property conveniently for cold-shrink cable accessories according to claim 1, characterized in that: the end part of the guide part (1012) is matched with the end part of the insulator (102), and the limiting part (1011) is provided with a connecting hole (6).

5. The test tool for detecting electrical property conveniently for cold-shrink cable accessories according to claim 2, characterized in that: the metal rod (52) penetrates through the whole umbrella skirt (54), the high-voltage contact point (51) is exposed out of the umbrella skirt (54) by 20mm, and the high-voltage contact point (55) is exposed out of the umbrella skirt (54) by 20 mm.

6. The test tool for detecting electrical property conveniently for cold-shrink cable accessories according to claim 1, characterized in that: the outer diameters of the guide part (1012) and the umbrella skirt (54) are respectively larger than the inner diameter of the joint of the cold-shrink intermediate joint (3) by 4-6 mm.

7. The test tool for detecting electrical property conveniently for cold-shrink cable accessories according to claim 3, characterized in that: the grounding point (53), the metal rod (52) and the umbrella skirt (54) are of an integrated structure.