CN211859559U

CN211859559U - Novel silicon rubber intermediate head

Info

Publication number: CN211859559U
Application number: CN202020485767.9U
Authority: CN
Inventors: 彭网余; 谈辉; 杨猛
Original assignee: Changzhou Muze Fluid Technology Co ltd
Current assignee: Changzhou Muze Fluid Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-03
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a novel silicon rubber intermediate head, which relates to the technical field of electric power transmission, and comprises a connecting piece, the bilateral symmetry of the connecting piece is provided with a connecting head, a cable is arranged in the connecting head, the cable comprises an outer sheath, an insulating layer and a wire, a conductive element is arranged in the connecting piece, the conductive element is lapped with the wire, a plurality of through holes are arranged on the connecting piece, a reinforcing bolt is arranged in the through hole, a nut screwed on the reinforcing bolt is arranged outside the connecting piece, clamping grooves for installing external fixing shells are arranged on the connecting head, and two external fixing shells are fixedly connected through soldering tin; the connecting piece adopts novel silicon rubber to make, has good insulating nature and life, has indeformable, high temperature resistant, acid and alkali-resistance, non-expansive characteristics, and the installation is simple, convenient to use, and installation back conductive effect and stability are good to protect the intermediate joint through outside stationary housing, prolonged intermediate head's life.

Description

Novel silicon rubber intermediate head

Technical Field

The utility model relates to an electric power transmission technical field, concrete field is a novel silicon rubber intermediate head.

Background

The middle joint is an insulated bus joint in the middle of the power transmission line, is suitable for accessories connected among insulated buses with various voltage grades, and mainly has the main functions of enabling the circuit to be smooth, keeping the buses sealed, ensuring the insulation grade of the bus joint and enabling the bus joint to run safely and reliably; in the process of erecting a power grid, two or more cables are often required to be butted, then each structural layer of the cable is required to be recovered to ensure the basic electrical property of the cable, most of the existing intermediate joints are plug-in type bus joints, and the plug-in type bus joints are easy to be dropped or loosened due to gaps caused by matching, so that the virtual connection of the bus joints is caused, and accidents such as overlarge single-phase current, increased joint temperature, burnout of core wire connection points and the like are caused; in order to solve the problems, a novel silicone rubber intermediate joint is specially provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel silicon rubber intermediate head to solve most of current intermediate heads that propose among the above-mentioned background art and for plug-in type bus-bar connection, appear the clearance because of the cooperation, easily cause grafting to drop or become flexible, arouse bus-bar connection virtual joint, produce single-phase current too big, the problem of contact temperature rising and heart yearn tie point accidents such as being burnt.

In order to achieve the above object, the utility model provides a following technical scheme: a novel silicon rubber intermediate joint comprises a connecting piece, wherein the connecting piece is made of novel silicon rubber, and has good insulating property and long service life; connectors are symmetrically arranged on two sides of the connecting piece, a cable penetrates through the connectors and comprises an outer sheath, an insulating layer and a lead, a conductive element is arranged in the connecting piece and is in lap joint with the lead, so that electric charge circulation is easier, and the conductive effect is enhanced; the connecting piece is provided with a plurality of through holes, the reinforcing bolts penetrate through the through holes, and nuts screwed on the reinforcing bolts are arranged on the outer side of the connecting piece, so that the connecting stability is enhanced; the connecting head is provided with clamping grooves for mounting external fixing shells, and the two external fixing shells are fixedly connected through soldering tin, so that the connecting head is convenient to detach and replace elements.

Preferably, the external fixing shell is formed by compounding a waterproof insulating composite layer, a ceramic fire-resistant mica layer, a ceramic oxygen-isolating filling mud layer and a stainless steel outer layer, and has excellent insulating property, no moisture absorption, no water absorption, water resistance and fire resistance.

Preferably, the connector joint is on the oversheath to fixed through the gel, it is fixed simple, with low costs, guaranteed stability simultaneously.

Preferably, the connecting piece is a silicon rubber connecting piece.

Preferably, the outer fixed shell is coated with a polyvinyl fluoride layer with the thickness of 30-40um, and the polyvinyl fluoride layer is coated with a tetrafluoroethylene anticorrosive coating with the thickness of 60-80 um.

Compared with the prior art, the beneficial effects of the utility model are that: a novel silicon rubber intermediate head has the following advantages:

(1) the connecting piece is made of novel silicon rubber, has good insulativity and long service life, has the characteristics of no deformation, high temperature resistance, acid and alkali resistance and no expansion, has good shrinkage rate, good tensile force and elasticity and good tearing strength, enables the appearance of the product to be attractive, and can ensure that the manufactured product does not deform;

(2) the connector is fixed on the cable by using the gel, so that the fixing is simple, the cost is low, and the stability is ensured;

(3) after the middle joint is installed, the electric conduction effect and the stability are good, the middle joint is protected through the external fixing shell, and the service life of the middle joint is prolonged;

(4) the external fixing shell is formed by compounding a waterproof insulating composite layer, a ceramic fire-resistant mica layer, a ceramic oxygen-isolating filling mud layer and a stainless steel outer layer, can resist high temperature of 2000 ℃, has excellent insulating property, and does not absorb moisture, water and fire.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic view of the external fixing shell of the present invention after removing the external fixing shell;

fig. 4 is the schematic view of the sectional structure of the external fixation shell.

In the figure: 1-connecting piece, 2-connector, 3-outer sheath, 4-insulating layer, 5-conducting wire, 6-conducting element, 7-through hole, 8-reinforcing bolt, 9-nut, 10-external fixing shell and 11-soldering tin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel silicon rubber intermediate joint comprises a connecting piece 1, wherein the connecting piece 1 is made of novel silicon rubber, and has good insulativity and long service life; the connector 1 is characterized in that connectors 2 are symmetrically arranged on two sides of the connector 1, a cable penetrates through the connectors 2 and comprises an outer sheath 3, an insulating layer 4 and a wire 5, the wire 5 is a three-phase wire, and the outer sheath 3 of the cable penetrating through the connectors 2 is stripped to expose the insulating layer 4, so that the cable can be conveniently connected; a conductive element 6 is arranged in the connecting piece 1, the conductive element 6 is in lap joint with the lead 5, and the arrangement of the conductive element 6 can facilitate the circulation of electric charges when the cables are connected, so that the conductive effect is enhanced; the connecting piece 1 is provided with a plurality of through holes 7, reinforcing bolts 8 penetrate through the through holes 7, nuts 9 screwed on the reinforcing bolts 8 are arranged on the outer side of the connecting piece 1, and the arrangement of the reinforcing bolts 8 and the nuts 9 can facilitate the fixation of two connected cables, so that the connection stability of the cables is enhanced; the connector 2 is provided with clamping grooves for mounting external fixing shells 10, the two external fixing shells 10 are fixedly connected through soldering tin 11, and the two external fixing shells can be separated through heating by adopting a soldering fixing mode, so that elements can be conveniently detached and replaced; when the cable joint is used, two cables are laid in place respectively, the cables at the joint are placed flatly and straightly and overlapped so as to cut off the end part, the position of the joint to be prepared is marked, redundant cables are cut off at the position 3-5cm before the mark, the outer sheath 3 is sequentially stripped from the cable fracture according to the joint requirement, the phases are separated, the insulating layer 4 is stripped, the connector 2 is sleeved on the cables and fixed through gel, the conducting wires 5 are flattened and then lapped on the conducting element 6, the connector 1 is installed on the outer side of the conducting element 6 and is matched with the nut 9 through the reinforcing bolt 8 to fix the connector 1, the external fixing shell 10 is installed in the clamping groove after the fixing, and the external fixing shell is fixed through the soldering tin 11.

Specifically, the external fixing shell 10 is formed by compounding a waterproof insulating composite layer, a ceramic fire-resistant mica layer, a ceramic oxygen-insulating filling mud layer and a stainless steel outer layer, can resist high temperature up to 2000 ℃, has excellent insulating property, and does not absorb moisture, water and fire.

Particularly, 2 joints of connector are on oversheath 3 to it is fixed through the gel, use the gel to fix the connector on the cable, it is fixed simple, with low costs, guaranteed stability simultaneously.

Specifically, the connecting piece 1 is a silicon rubber connecting piece, has the characteristics of no deformation, high temperature resistance, acid and alkali resistance and no expansion, and has the advantages of good shrinkage, good tensile force and elasticity, good tearing strength, attractive appearance and no deformation of the manufactured product.

Particularly, the spraying has the polyvinyl fluoride layer that thickness is 30-40um on the outside set casing 10, the polytetrafluoroethylene anticorrosive coating that a layer thickness is 60-80um is coated again on the polyvinyl fluoride layer, is equipped with anticorrosive coating for the outward appearance is level, clean and close, and compressive strength is high, has guaranteed long-term operation's stability, has improved corrosion resistance, has prolonged life.

The working principle is as follows: the utility model discloses during the use, two cables are laid respectively and are in place, put the cable of joint department straight, and overlap, so that cut off the end part, the position of preparing to connect is made the mark, 3-5cm cuts off unnecessary cable before this mark, according to the joint needs, shell oversheath 3 from the cable fracture in proper order, separate each phase, shell insulating layer 4, overlap joint 2 cover on the cable, and fix through the gel, overlap joint on conductive element 6 after pacifying wire 5, then install connecting piece 1 in the outside of conductive element 6, and cooperate through reinforcing bolt 8 and nut 9, fix connecting piece 1, install outside set casing 10 in the joint inslot after fixing, make it fixed through soldering tin 11; the external fixing shell 10 is formed by compounding a waterproof insulating composite layer, a ceramic fire-resistant mica layer, a ceramic oxygen-isolating filling mud layer and a stainless steel outer layer, can resist high temperature of 2000 ℃, has excellent insulating property, does not absorb moisture, does not absorb water, is waterproof and fireproof, the external fixing shell 10 is sprayed with a polyvinyl fluoride layer with the thickness of 30-40 mu m, and the polyvinyl fluoride layer is coated with a tetrafluoroethylene anticorrosive coating with the thickness of 60-80 mu m, and is provided with the anticorrosive coating, so that the external fixing shell has the advantages of smooth, bright and compact appearance and high compressive strength, ensures the stability of long-term operation, improves the corrosion resistance and prolongs the service life.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel silicone rubber intermediate joint comprises a connecting piece (1) and is characterized in that: the bilateral symmetry of connecting piece (1) is equipped with connector (2), wear to be equipped with the cable in connector (2), the cable includes oversheath (3), insulating layer (4) and wire (5), connecting piece (1) inside is equipped with conductive element (6), conductive element (6) and wire (5) overlap joint, be equipped with a plurality of through-holes (7) on connecting piece (1), wear to be equipped with in through-hole (7) and consolidate bolt (8), the outside of connecting piece (1) is equipped with nut (9) of screwing on consolidating bolt (8), all be equipped with the joint groove that is used for installing external fixation shell (10) on connector (2), two through soldering tin (11) fixed connection between external fixation shell (10).

2. The novel silicone rubber intermediate joint as set forth in claim 1, wherein: the external fixing shell (10) is formed by compounding a waterproof insulating composite layer, a ceramic fire-resistant mica layer, a ceramic oxygen-isolating filling mud layer and a stainless steel outer layer.

3. The novel silicone rubber intermediate joint as set forth in claim 1, wherein: the connector (2) is clamped on the outer sheath (3) and fixed through gel.

4. The novel silicone rubber intermediate joint as set forth in claim 1, wherein: the connecting piece (1) is a silicon rubber connecting piece.

5. The novel silicone rubber intermediate joint as set forth in claim 2, wherein: the outer fixed shell (10) is coated with a polyvinyl fluoride layer with the thickness of 30-40um, and the polyvinyl fluoride layer is coated with a tetrafluoroethylene anticorrosive coating with the thickness of 60-80 um.