阅读说明：本技术 一种冷缩电缆接头和冷缩电缆 (Shrinkage cable joint and shrinkage cable ) 是由 陈瑞素 于 2020-09-21 设计创作，主要内容包括：本发明公开了一种冷缩电缆接头和冷缩电缆,涉及电缆接头领域。一种冷缩电缆接头和冷缩电缆,包括接触传感器,接触传感器外环面底部固定连接有第一基座,且第一基座两侧壁面焊接有卡台,第一基座底部固定连接有第一连接座,且第一连接座左侧壁面安装有电控座,电控座顶面安装有信号灯,第一连接座底面固定连接有缆座,且缆座另一侧端面处连接有电缆,电缆外壁面胶合连接有冷缩条,且电缆外环面焊接有吊钩,电缆外环面另一侧焊接有吊环,电缆另一侧端面处固定连接有第二连接座,第二连接座底面固定连接有第二基座。本发明解决了传统冷缩电缆弹性差以及连接不稳固的问题。(The invention discloses a cold-contraction cable joint and a cold-contraction cable, and relates to the field of cable joints. The utility model provides a shrinkage cable joint and shrinkage cable, including contact sensor, the first base of outer anchor ring bottom fixedly connected with of contact sensor, and the welding of first base both sides lateral wall has the ka tai, the first connector of first base bottom fixedly connected with, and first connector left side wall installs automatically controlled seat, the signal lamp is installed to automatically controlled seat top surface, first connector bottom surface fixedly connected with cable seat, and cable seat opposite side terminal surface department is connected with the cable, the outer wall veneer of cable is connected with the shrinkage strip, and the welding of the outer anchor ring of cable has the lifting hook, the welding of cable outer anchor ring opposite side has rings, cable opposite side terminal surface department fixedly connected with second connecting seat, second connecting seat bottom surface fixedly connected with second base. The invention solves the problems of poor elasticity and unstable connection of the traditional cold-shrink cable.)

1. The utility model provides a cold contraction cable joint and cold contraction cable, includes contact sensor (1), its characterized in that: the bottom of the outer ring surface of the contact sensor (1) is fixedly connected with a first base (3), clamping tables (2) are welded on two side wall surfaces of the first base (3), a first connecting seat (6) is fixedly connected at the bottom of the first base (3), an electric control seat (4) is arranged on the left side wall surface of the first connecting seat (6), a signal lamp (5) is arranged on the top surface of the electric control seat (4), a cable seat (11) is fixedly connected with the bottom surface of the first connecting seat (6), and the other end face of the cable seat (11) is connected with a cable (7), the outer wall surface of the cable (7) is connected with a cold-shrink strip (10) in a gluing way, and the outer ring surface of the cable (7) is welded with a lifting hook (8), the other side of the outer ring surface of the cable (7) is welded with a lifting ring (9), a second connecting seat (12) is fixedly connected at the end surface of the other side of the cable (7), the bottom surface of the second connecting seat (12) is fixedly connected with a second base (13).

2. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: a groove (301) is formed in the top surface of the first base (3) through a groove cutter, and a connecting core (302) is installed on the bottom surface of the groove (301).

3. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: vertical plates (601) are arranged on the upper wall surface and the lower wall surface of the first connecting seat (6), and clamping hooks (602) are welded on the end surfaces of the vertical plates (601).

4. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: and a base groove (1301) is formed in the top surface of the second base (13) through a groove cutter.

5. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: and matching buckles (1202) are welded on the two side wall surfaces of the second connecting seat (12).

6. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: the lifting hook (8) comprises a welding block (801), a hook body (802) is welded to the top of the outer wall surface of the welding block (801), and the other side of the welding block (801) is fixedly connected to the outer ring surface of the cable (7).

7. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: the cable (7) comprises a cold-shrink outer layer (701), an elastic layer (702) and a cold-shrink inner layer (703), wherein a cold-shrink strip (10) is glued on the outer wall surface of the cold-shrink outer layer (701), the inner wall surface of the cold-shrink outer layer (701) is in contact connection with the outer ring surface of the elastic layer (702), the inner ring surface of the elastic layer (702) is in contact with the outer ring surface of the cold-shrink inner layer (703), the cold-shrink outer layer (701) is made of silicon rubber, the cold-shrink inner layer (703) is made of ethylene propylene diene monomer rubber, and the elastic layer (702) is made of isoprene rubber;

the cold-shrink inner layer (703) comprises a connecting ring (70301), one side of the outer wall surface of the connecting ring (70301) is fixedly connected with a heat insulation ring (70302), and the other side wall surface of the heat insulation ring (70302) is in contact connection with a conductive inner core (70303).

8. The cold-shrink cable joint and the cold-shrink cable according to claim 1, wherein: a supporting column (901) is welded on the outer annular surface of the hanging ring (9), and a ring body (902) is welded on the end face of the other side of the supporting column (901).

Technical Field

The invention relates to the field of cable connectors, in particular to a cold-shrink cable connector and a cold-shrink cable.

Background

The cold-shrink cable is made up of elastomer (silicon rubber and ethylene-propylene rubber) through injection sulfurization in factory, diameter expansion and spiral plastic support. When the cable is installed on site, the pre-expansion pieces are sleeved at the tail end or joint of the treated cable, the plastic spiral strip support of the internal support is drawn out, and the cable is pressed on the cable insulation to form the cable accessory. Because it depends on elastic retractive force at normal temperature, rather than on thermal contraction cable accessories to use fire to heat and contract, so it is commonly called cold contraction cable accessories, it must be pointed out that, before being installed on the cable, the prefabricated cable accessories have no tension, and the cold contraction cable terminal is in high tension state, so it must ensure that the cold contraction parts should not have obvious permanent deformation or elastic stress relaxation in the storage period, otherwise, it cannot ensure enough elastic pressing force after being installed on the cable, thus it cannot ensure good interface characteristics;

the cold-contraction cable terminal has the advantages of small volume, convenient and rapid operation, no need of special tools, wide application range, less product specification and the like. Compared with the thermal contraction type cable accessory, the thermal contraction type cable accessory does not need fire for heating, and the thermal contraction type cable accessory can not be moved or bent after being installed, so that the internal layers of the accessory are not separated.

The cold-shrink cable at the present stage has the problem of poor elasticity, can cause the problem that the bad weather of cable is easy to stretch out, has the cable connection insecure, can cause the disconnection of cable, leads to the electric power system to break circuit. Accordingly, one skilled in the art provides a cold-shrink cable joint and a cold-shrink cable to solve the problems set forth in the background art described above.

Disclosure of Invention

The present invention is directed to a cold-shrink cable joint and a cold-shrink cable, so as to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shrinkage cable joint and shrinkage cable, includes contact pick-up, the first base of outer anchor ring bottom fixedly connected with of contact pick-up, and the welding of first base both sides lateral wall has the ka tai, the first connector of first base bottom fixedly connected with, and first connector left side wall installs automatically controlled seat, automatically controlled seat top surface installs the signal lamp, first connector bottom surface fixedly connected with cable seat, and cable seat opposite side terminal surface department is connected with the cable, the outer wall veneer of cable is connected with the shrinkage strip, and the outer anchor ring welding of cable has the lifting hook, the welding of cable outer anchor ring opposite side has rings, cable opposite side terminal surface department fixedly connected with second connecting seat, second connecting seat bottom surface fixedly connected with second base has the electricity federation and connects firmly, and elasticity and shrinkage nature are good and easily install the advantage of dismantling.

Furthermore, the top surface of the first base is provided with a groove through a groove cutter, and the bottom surface of the groove is provided with a connecting core, so that the cables can be conveniently matched and connected.

Furthermore, vertical plates are arranged on the upper wall surface and the lower wall surface of the first connecting seat, and clamping hooks are welded on the end surfaces of the vertical plates, so that cables can be clamped conveniently.

Furthermore, the top surface of the second base is provided with a base groove through a groove cutter, so that the cables can be conveniently connected.

Furthermore, the matching buckles are welded on the two side wall surfaces of the second connecting seat, so that the cable is connected more firmly.

Furthermore, the lifting hook comprises a welding block, a hook body is welded to the top of the outer wall surface of the welding block, and the other side of the welding block is fixedly connected to the outer ring surface of the cable, so that the cable is easy to hang and install on a line.

Further, the cable includes cold-contraction outer layer, elastic layer and cold-contraction inner layer, cold-contraction outer wall veneer has the cold-contraction strip, cold-contraction outer inner wall face is connected with the outer anchor ring contact of elastic layer, anchor ring and the outer anchor ring contact of cold-contraction inner layer in the elastic layer, the cold-contraction inner layer includes the go-between, go-between outer wall one side fixedly connected with heat insulating ring, and another side wall contact of heat insulating ring is connected with electrically conductive inner core, the cold-contraction outer layer adopts the silicon rubber to make, the cold-contraction inner layer adopts the ethylene propylene diene monomer to make, the elastic layer adopts isoprene rubber to make for the cable has high elasticity and cold-contraction nature.

Furthermore, a support column is welded on the outer ring surface of the hanging ring, and a ring body is welded on the end face of the other side of the support column, so that the cable is easy to install.

Compared with the prior art, the invention has the beneficial effects that:

(1) this shrinkage cable joint and shrinkage cable through giving components such as shrinkage cable installation contact sensor, ka tai, first base, recess, connection core, automatically controlled seat, signal lamp, first connecting seat and riser for the elasticity of cable is good, and accessible elastic layer will warp and offset, has solved the poor problem of traditional shrinkage cable elasticity.

(2) This shrinkage cable joint and shrinkage cable through giving components such as shrinkage cable mounting pothook, cable, shrinkage skin, elastic layer, shrinkage inlayer, go-between and thermal-insulated ring for the shrinkage cable can realize the firm connection of cable through the cooperation of first base and second base and the cooperation of ka tai draw-in groove, has solved traditional shrinkage cable junction and has not firm, the problem of easily disconnection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of a second connecting seat according to the present invention;

FIG. 3 is a schematic cross-sectional view of the cable structure of the present invention;

fig. 4 is a partial schematic view of the structure of a hook and eye of the present invention.

In the figure: 1 touch sensor, 2 ka tai, 3 first base, 301 recess, 302 connection core, 4 automatically controlled seats, 5 signal lamps, 6 first connecting pad, 601 riser, 602 pothook, 7 cable, 701 outer layer of shrinkage, 702 elastic layer, 703 shrinkage inner layer, 70301 connecting ring, 70302 heat-insulating ring, 70303 electrically conductive inner core, 8 lifting hooks, 801 welding block, 802 collude body, 9 rings, 901 support column, 902 ring body, 10 shrinkage, 11 cable seat, 12 second connecting pad, 1201 draw-in groove, 1202 cooperation are detained, 13 second base, 1301 basic groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Referring to fig. 1-4, in the embodiment of the present invention, a cold-shrink cable joint and a cold-shrink cable comprise a contact sensor 1, a first base 3 is fixedly connected to the bottom of the outer annular surface of the contact sensor 1, clamping platforms 2 are welded to two side wall surfaces of the first base 3, a first connecting seat 6 is fixedly connected to the bottom of the first base 3, an electric control seat 4 is installed on the left side wall surface of the first connecting seat 6, a signal lamp 5 is installed on the top surface of the electric control seat 4, a cable seat 11 is fixedly connected to the bottom surface of the first connecting seat 6, a cable 7 is connected to the other end surface of the cable seat 11, a cold-shrink strip 10 is glued to the outer wall surface of the cable 7, a hook 8 is welded to the outer annular surface of the cable 7, a hanging ring 9 is welded to the other side of the outer annular surface of the cable 7, a second connecting seat 12 is fixedly connected to the bottom surface of the second connecting seat 12, and a second base 13 is fixedly connected to the bottom surface of the second connecting seat 12, so as to be electrically connected firmly, good elasticity and cold shrinkage and easy assembly and disassembly.

The top surface of the first base 3 is provided with a groove 301 through a groove cutter, and the bottom surface of the groove 301 is provided with a connecting core 302, so that the matching connection of cables is facilitated; the vertical plate 601 is arranged on the upper wall surface and the lower wall surface of the first connecting seat 6, and the clamping hook 602 is welded on the end surface of the vertical plate 601, so that the cables can be clamped conveniently; a base groove 1301 is formed in the top surface of the second base 13 through a groove cutter, so that cables can be conveniently connected; the matching buckles 1202 are welded on the two side wall surfaces of the second connecting seat 12, so that the connection of the cable is firmer;

the lifting hook 8 comprises a welding block 801, a hook body 802 is welded on the top of the outer wall surface of the welding block 801, and the other side of the welding block 801 is fixedly connected to the outer ring surface of the cable 7, so that the cable is easy to hang and install on a line;

the cable 7 comprises a cold-shrink outer layer 701, an elastic layer 702 and a cold-shrink inner layer 703, wherein the outer wall surface of the cold-shrink outer layer 701 is glued with a cold-shrink strip 10, the inner wall surface of the cold-shrink outer layer 701 is in contact connection with the outer ring surface of the elastic layer 702, and the inner ring surface of the elastic layer 702 is in contact with the outer ring surface of the cold-shrink inner layer 703;

the cold-shrink outer layer 701 is made of silicon rubber;

the cold-shrink inner layer 703 is made of ethylene propylene diene monomer;

the elastic layer 702 is made of isoprene rubber;

the cold-shrink inner layer 703 comprises a connecting ring 70301, one side of the outer wall surface of the connecting ring 70301 is fixedly connected with a heat insulation ring 70302, and the other side wall surface of the heat insulation ring 70302 is in contact connection with a conductive inner core 70303, so that the cable has high elasticity and cold-shrink property; a supporting column 901 is welded on the outer ring surface of the hanging ring 9, and a ring body 902 is welded on the end face of the other side of the supporting column 901, so that the cable is easy to install.

The main body of the cold-contraction cable comprises components such as a contact sensor 1, a clamping table 2, a first base 3, an electric control seat 4, a signal lamp 5, a first connecting seat 6, a cable 7, a lifting hook 8, a lifting ring 9 and the like, wherein a worker firstly hangs a hook body 802 in the lifting hook 8 of one cable into a suspension device of a power system to finish primary fixing of the cable, then hangs the hook body 802 in the lifting hook 8 of a second cable into a ring body 902 of the lifting ring 9 of the first cable to finish installation of the second cable, after the operation is finished, the worker pushes the contact sensor 1 of one cable into a base groove 1301 of the other cable, at the moment, along with the continuous application of pressure by the worker 1201, after the pressure value of the contact sensor 1 reaches a preset value, the signal lamp 5 on the top of the electric control seat 4 is lightened, actually, the connection of the cables is primarily finished, after the operation is finished, the clamping table 2 of one cable is aligned to a clamping groove of the second connecting seat 12 of the other cable, the first base 3 of power push cable, go into draw-in groove 1201 with ka tai 2 card in, accomplish the installation of cable, the shrinkage function of cable mainly leans on cold contraction strip 10 to realize, the inside thermal-insulated ring 70302 and the go-between 70301 of cooperation cable 7 for the shrinkage nature reinforcing of cable still can work under bad weather, and the elastic layer 702 of cable provides stronger toughness and plasticity for the cable, makes the cable can bear great deformation.

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.