CN215185805U

CN215185805U - Shockproof power cable connector

Info

Publication number: CN215185805U
Application number: CN202022900102.2U
Authority: CN
Inventors: 高辉; 陈文�; 王慧
Original assignee: State Grid Jiangsu Electric Power Co Ltd; Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: State Grid Jiangsu Electric Power Co Ltd; Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-12-14
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a shockproof power cable joint, which is characterized in that the structure comprises a shell, a buffer layer, a rubber ring, a shockproof cylinder, a connecting sleeve, an insulating heat-conducting ring and a nut; the buffer layer, the all effectual influence that causes the cable junction of preventing of a jar takes precautions against earthquakes, the top layer of buffer layer and the rubber circle at the outer water proof coating who scribbles and inlet wire both ends along the heat conduction ring all can play water-proof effects simultaneously, can solve the power cable joint among the prior art effectively and often only focus on the waterproof performance that power cable connects, lack the consideration to the shock resistance, if power cable connects and receives vibrations by a wide margin, can lead to the problem that drops of inside sinle silk, also compromise waterproof performance simultaneously.

Description

Shockproof power cable connector

Technical Field

The utility model belongs to the power transmission field involves a power cable joint takes precautions against earthquakes.

Background

The power cable is used for transmitting and distributing electric energy, is usually used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, is usually formed once when a manufacturer produces the cable, and is often short of a single cable when a long line needs to be laid, so that a plurality of sections of power cables need to be connected in series through cable connectors.

The cable connector is also called a cable head. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and these connections are called cable connectors. The cable joint in the middle of the cable line is called as the middle joint, the cable joints at two ends of the cable line are called as the terminal joints, the cable joints are used for locking and fixing incoming and outgoing lines, the waterproof, dustproof and shockproof effects are achieved, the main effect of the cable joint is to enable the line to be smooth, enable the cable to keep sealed, ensure the insulation grade of the cable joint and enable the cable joint to operate safely and reliably. If the sealing is poor, not only oil leakage causes oil-impregnated paper to dry up, but also moisture invades into the cable, so that the insulating property of the cable is reduced. The power cable joint among the prior art often only pays attention to the waterproof performance that the power cable connects, lacks the consideration to shock-proof performance, if the power cable joint receives vibrations by a wide margin, can lead to droing of inside sinle silk, leads to the electric power accident.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned power cable joint in prior art often only to regard the waterproof performance that has connect of power cable, lack the consideration to the shock-proof performance, if power cable joint receives vibrations by a wide margin, probably lead to the problem that drops of inside sinle silk, the utility model provides a power cable joint takes precautions against earthquakes.

The utility model provides a shockproof power cable joint, which comprises a shell, a connecting sleeve, a shockproof cylinder and an insulating heat-conducting ring, wherein the shell is provided with rubber rings at the wire inlet holes at the left side and the right side, the rubber rings are fixedly connected with the shell, the inner diameter of the rubber rings is equal to the outer diameter of a power cable to be connected, the outer diameter of the insulating heat-conducting ring is equal to the inner diameter of the shell, the insulating heat-conducting ring is arranged at the central end of the inner cavity of the shell and is fixedly connected with the shell, the outer diameter of the connecting sleeve is equal to the inner diameter of the insulating heat-conducting ring, the connecting sleeve is arranged at the central end of the inner cavity of the insulating heat-conducting ring, the outer wall of the connecting sleeve is fixedly connected with the inner wall of the insulating heat-conducting ring, the shockproof cylinder is arranged at the left side and the right side of the insulating heat-conducting ring, the center of the shockproof cylinder is provided with a through hole, the diameter of the through hole is equal to the outer diameter of the power cable, a circle of a buffer contact strip is uniformly distributed at the outer side of the shockproof cylinder, the top end of the buffering contact strip is fixedly connected with the inner cavity of the outer wall, nuts are arranged on the left wire inlet and the right wire inlet of the shell, the shell is provided with a groove hole decorated with the nuts, threads matched with the nuts are arranged on the inner wall of the groove hole, and the bottom of each nut is movably connected with a clamping plate.

Furthermore, the inner wall of the rubber ring is provided with a thread for preventing the power cable from sliding.

Furthermore, the insulating heat conducting ring is made of insulating silica gel, the inner wall of the insulating heat conducting ring is provided with threads for preventing the power cable from sliding, and the outer layer of the insulating heat conducting ring is coated with a layer of waterproof paint.

Furthermore, a buffer layer made of foamed polypropylene is arranged on the outer side of the shockproof cylinder, the outer wall of the buffer layer is fixedly connected with the inner wall of the shell, and the inner wall of the buffer layer is fixedly connected with the top end of the shockproof cylinder buffer contact strip.

Furthermore, the surface layer of the buffer layer is coated with a layer of antistatic, waterproof and electromagnetic radiation-proof coating.

Drawings

FIG. 1 is a schematic view of a shockproof power cable joint structure of the utility model;

FIG. 2 is a schematic cross-sectional view of the crash tube.

In the figure: 1. a housing; 2. a buffer layer; 3. a rubber ring; 4. a shock-proof cylinder; 5. a connecting sleeve; 6. insulating heat conduction ring, 7 nuts.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to fig. 1 and 2.

As shown in figure 1, the utility model provides a shockproof power cable joint, the structure of which comprises a shell 1, a buffer layer 2, a rubber ring 3, a shockproof cylinder 4, a connecting sleeve 5, an insulating heat conducting ring 6 and a nut 7, wherein the inlet holes at the left and right sides of the shell 1 are respectively provided with the rubber ring, the rubber ring is fixedly connected with the shell 1, the inner diameter of the rubber ring 3 is equal to the outer diameter of the power cable to be connected, the inner wall of the rubber ring 3 is provided with a thread for preventing the power cable from sliding, the outer diameter of the insulating heat conducting ring 6 is equal to the inner diameter of the shell 1, the insulating heat conducting ring 6 is arranged at the central end of the inner cavity of the shell 1 and is fixedly connected with the shell 1, the manufacturing material of the insulating heat conducting ring 6 adopts insulating silica gel, the inner wall of the insulating heat conducting ring 6 is provided with the thread for preventing the power cable from sliding, and the outer layer of the insulating heat conducting ring 6 is coated with a layer of waterproof paint, the outer diameter of the connecting sleeve 5 is equal to the inner diameter of the insulating heat-conducting ring 6, the connecting sleeve 5 is arranged at the central end of the inner cavity of the insulating heat-conducting ring 6, the outer wall of the connecting sleeve 5 is fixedly connected with the inner wall of the insulating heat-conducting ring 6, the left side and the right side of the insulating heat-conducting ring 6 are both provided with a shockproof cylinder 4, the center of the shockproof cylinder 4 is provided with a through hole, the diameter of the through hole is equal to the outer diameter of the power cable, the outer side of the shockproof cylinder 4 is uniformly distributed with a circle of buffer contact strips, the outer side of the shockproof cylinder 4 is provided with a buffer layer 2 made of foamed polypropylene, the outer wall of the buffer layer 2 is fixedly connected with the inner wall of the shell 1, the inner wall of the buffer layer 2 is fixedly connected with the top ends of the buffer contact strips of the shockproof cylinder 4, the surface layer of the buffer layer 2 is coated with a layer of antistatic, waterproof and electromagnetic radiation preventing coating, and nuts 7 are arranged at the upper part and the lower part of the left wire inlet and the right part of the shell 1, and the shell 1 is provided with a slotted hole decorated with the nut 7, the inner wall of the slotted hole is provided with a thread matched with the nut 7, and the bottom of the nut 7 is movably connected with a clamping plate.

The working principle is as follows: the staff strips off a part of the epidermis of the power cable to be connected, inserts two ends of the power cable into the wire inlet holes of the connector completely, and then screws the nuts 7 on the upper part and the lower part of the wire inlet holes at the two ends to fix the cable, so that the connection can be completed. Buffer layer 2, a jar 4 all can effectually prevent the influence that vibrations led to the fact to cable junction, buffer layer 2's top layer and the rubber circle 3 that the outer layer that scribbles along the heat conduction ring and incoming line mouth both ends all can play water-proof effects simultaneously, can solve the power cable joint among the prior art effectively and often only focus on the waterproof performance that power cable connects, lack the consideration to the shock resistance, if power cable connects and receives vibrations by a wide margin, the problem that drops that probably leads to inside sinle silk, also compromise waterproof performance simultaneously.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A shockproof power cable joint is characterized by comprising a shell, a connecting sleeve, a shockproof cylinder and an insulating heat-conducting ring, wherein rubber rings are arranged in wire inlet holes on the left side and the right side of the shell, the rubber rings are fixedly connected with the shell, the inner diameter of each rubber ring is equal to the outer diameter of a power cable to be connected, the outer diameter of each insulating heat-conducting ring is equal to the inner diameter of the shell, the insulating heat-conducting ring is arranged at the central end of an inner cavity of the shell and is fixedly connected with the shell, the outer diameter of the connecting sleeve is equal to the inner diameter of the insulating heat-conducting ring, the connecting sleeve is arranged at the central end of the inner cavity of the insulating heat-conducting ring, the outer wall of the connecting sleeve is fixedly connected with the inner wall of the insulating heat-conducting ring, the shockproof cylinder is arranged on the left side and the right side of the insulating heat-conducting ring, a through hole is formed in the center of the shockproof cylinder, the diameter of the through hole is equal to the outer diameter of the power cable, the shockproof barrel is characterized in that a circle of buffering contact strips are uniformly distributed on the outer side of the shockproof barrel, the top ends of the buffering contact strips are fixedly connected with an inner cavity of the outer wall, nuts are arranged on the left and right wire inlets of the shell, a slotted hole matched with the nuts is formed in the shell, threads matched with the nuts are arranged on the inner wall of the slotted hole, and the bottoms of the nuts are movably connected with clamping plates.

2. A vibration resistant power cable joint as recited in claim 1, wherein said rubber ring has threads on an inner wall thereof for preventing sliding of the power cable.

3. A quakeproof power cable joint according to claim 1, wherein the insulating heat-conducting ring is made of insulating silica gel, the inner wall of the insulating heat-conducting ring is provided with threads for preventing the power cable from sliding, and the outer layer of the insulating heat-conducting ring is coated with a waterproof coating.

4. A vibration-damping power cable joint as claimed in claim 1, wherein the vibration-damping barrel has a buffer layer of foamed polypropylene on the outside thereof, the outer wall of the buffer layer is fixedly connected to the inner wall of the housing, and the inner wall of the buffer layer is fixedly connected to the top end of the damping contact of the vibration-damping barrel.

5. A vibration resistant power cable joint as claimed in claim 4, wherein the surface layer of said buffer layer is coated with an antistatic, waterproof, electromagnetic radiation resistant coating.