CN201048168Y

CN201048168Y - Wedge-shaped electric power wire connector

Info

Publication number: CN201048168Y
Application number: CNU2007201404648U
Authority: CN
Inventors: 陈柯; 黄梅珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-14
Filing date: 2007-03-14
Publication date: 2008-04-16
Anticipated expiration: 2017-03-14

Abstract

The utility model relates to an improved non-bearing force type connection hardware fitting which is used for the connection among aluminium strand wires of steel-cored aluminium strand wires on a power system, the connection among the aluminium strand wires and copper strand wires, and the connection among the copper strand wires in severe contaminated regions. The connection hardware fitting comprises an inward concave arc wire chase and a current conducting metal block which can be positioned in the concave arc wire chase. The utility model is characterized in that the main body of the inward concave arc wire chase is of trapezia, the cross section is C-shaped, a bolt groove is arranged on the cross section, and an electric lead wire is arranged in the arc wire chase. The current conducting metal block positioned in the concave arc wire chase is of a trapeziform wedge block, the left and the right side surfaces of which are respectively provided with a C-shaped groove, and the end part is provided with a hole lug used for installing bolts which are matched with the inward concave arc wire chase. Compared with the prior art, the wedge-shaped electric lead wire connector has the advantages of simple structure, stable performance, safe operation, effectively reducing the energy wastage, improving the inoxidizability and the corrosion performance of a wire clamp, reducing heat, wire break and flashover and so on. The utility model also has the advantages of simple and convenient installation, no need of a special tool, and repeat disassembly and usage.

Description

The wedge shape electrical wire connector

Technical field

The utility model relates to a kind of electrical wire connector (gold utensil that continues, wire clamp), particularly a kind of improved non-bearing type electric power twisted wire utensil that continues.

Background technology

At present, in a large amount of gold utensils that continue that use of China's power industry, mainly contain parallel groove clamp, ejecting type wedge clamp, C shape wire clamp, H molded lines folder etc.Parallel groove clamp is that one of wire clamp is early used in China's electric power system, its advantage is: simple in structure, easy for installation, weak point is that the centre is tightened fixing by bolt because the structure of parallel groove clamp is by two intermediate plates that separate separately cable to be picked up, after moving for a long time, be easy to generate oxidation between wire clamp and the lead, scarifying, heating, even blow lead; The appearance of wedge clamp has effectively overcome the weak point of above parallel groove clamp, wedge clamp is made up of C type spare and voussoir, overcome parallel groove clamp by two intermediate plates that separate separately, fixing structure problem is tightened with bolt in the centre, more effectively solved between parallel groove clamp and the lead with the C shape part of " integrated " and voussoir and to be easy to generate oxidation, scarifying, the problem of heating.But present wedge clamp all is an ejecting type.Except that the needs specific purpose tool, also will be equipped with and launch core during installation, the installer must be through Special Training.May also there be certain danger in the workman when wire clamp is installed.Its reason is to launch to contain certain explosive in the core.Particularly in dismounting during wire clamp, if the bullet core model of usefulness is not right, when the voussoir of wedge clamp flies out, the potential safety hazard that damages to the workman; C type and H molded lines folder, because all need special-purpose Press Plier to come crimping, the wire clamp dismounting difficulty after the installation, and dismounting back wire clamp problem such as can't reuse, and generally mostly is to be used in the construction of force-bearing type lead.China's utility model patent discloses some power circuit connectors, as 1, a kind of wire and cable connector of " wire and cable connector " (patent No. CN200510038078.3), it is characterized in that: it comprises: a pair of connector, one of them connector is connected with incoming line, and another connector is connected with output line; Import connector and the clamping device of exporting connector for one.2, " Binding clip for miscellaneous wire " (patent No. CN86200925) is used for the binding post of connecting conducting wire in a kind of electric equipment, be made of terminal block and securing member, it is characterized in that constituting terminal block and securing member by framework and locking card that can self-locking.3, " a kind of conductor jointer (patent No. ZL02225723.3) " is characterized in that: C shape element that cross section is c-shaped and the hinge joint briquetting that can install within it constitute.The hinge joint briquetting is formed by A, B crimping hinge joint: a side of A briquetting is made indent circular arc wire casing, and the butt face of a relative side and a butt axle joins and is integral; B briquetting one side is made indent circular arc wire casing, another side be can with the aforementioned A briquetting butt axle opening butt circular groove of suit mutually.During installation two leads are put with C shape element in, mechanical joint piece is transferred to certain angle to be put between two leads, place, aperture in the middle of C shape element and hinge joint briquetting, compress with vice or bolt, make A, the B briquetting of hinge joint briquetting in C shape part, be in same plane, thereby make lead and conductor jointer produce contact pressure.Above-mentioned this wire clamp has easy for installation, advantage without specific purpose tool, but deficiency is: the mechanical joint piece that is used for fixing lead in element is the parts formation by two " separating ", destroy the globality of wire clamp, in lead long-time running and continuous " expanding with heat and contract with cold " process, be easy to generate the slit, cause oxidation, loosening, heating.Its two, the processing of the inside and outside partial circle cylinder of hinge joint place difficulty relatively between two briquettings of train wheel bridge, the joint on two inside and outside faces of cylinder is not easy to guarantee, has influenced clamping degree, makes troubles to construction.

Summary of the invention

The purpose of this utility model is: provide a kind of can for construction, operation, maintenance create safely, fall damages, energy-conservation, simple in structure, convenient, repeatedly used again conductor jointer simultaneously is installed, can better solve the problem of existing electrical wire connector existence.

The utility model is achieved in that electrical wire connector selects for use metal material to be made, it comprises an indent circular arc wire casing, and the conducting metal piece that can put into the concave arc wire casing, be characterized in: the main body of indent circular arc wire casing is trapezoidal, cross section is " C " font, and be provided with screw slots, electrical lead is placed in the arc groove, the conducting metal piece of putting into the concave arc wire casing is trapezoidal voussoir, there is " C " font groove, end to have to be used for the hole ear of construction bolt its left and right side, cooperates with indent circular arc wire casing.

Above-described wedge shape electrical wire connector, said conducting metal piece are that front and back are the trapezoidal voussoir on plane, sometimes in order to save material, and reeded trapezoidal entity before and after also can making.

Above-described wedge shape electrical wire connector, said screw slots can be located at the outside of concave arc wire casing, and screw slots become parallel distribution with the concave arc wire casing, perhaps become vertical distribution with the concave arc wire casing.

Wedge shape electrical wire connector of the present utility model need only be placed on two leads to be connected respectively when installing in the interior wire casing of bottom up and down of wedge-shaped body, then chock is filled between two leads, with bolt wedge-shaped body is connected, tightens fixing getting final product with chock at last.

The beneficial effects of the utility model are:

1, this wedge shape electrical wire connector is a kind of improved non-bearing type gold utensil that continues.Can use the aluminium alloy manufacturing, also can do with copper.It is mainly used in aluminium stranded conductor in the electric power system or the connection between steel reinforced aluminium conductor. being connected between aluminium stranded conductor and copper stranded conductor, and the connection between the copper stranded conductor in non-severe contamination area.Can be used for the connection between aluminium stranded conductor or steel reinforced aluminium conductor. being connected between aluminium stranded conductor and copper stranded conductor, reducing joins (various different conductors interconnect), installs and dismounting quick (need not specific purpose tool).

2, the spring action of " C " font wedge-shaped body of this wedge shape electrical wire connector and the structure of chock can make connector and the lead that is connected constitute the energy storage system of " sharing a common fate " jointly.Make it and the constant contact pressure of the generation of lead.Thereby more stable and safe overload capacity and the thermal cycle ability that improves connector significantly of its performance, reduce energy loss, improve the non-oxidizability and the corrosion of wire clamp, reduced phenomenons such as heating, broken string and flashover, the line fault of avoiding general connector to cause because of loose contact.Because the stable performance of this wedge connector, safety, the overload capacity that can improve connector significantly and thermal cycle ability, reduce energy loss, improve the non-oxidizability and the corrosion of wire clamp, reduced phenomenons such as heating, broken string and flashover, thus the line fault of avoiding general connector to cause because of loose contact.

3, " C " font indent circular arc wire casing of trapezium structure, and whole chock, effectively avoided wire clamp itself in the past because structure is separated (as the staged double inclined plane piece of the hinge joint briquetting of two clamping plate, two separation, two separation etc.), the electric property that continues relies on bolt pressure to guarantee, and be easy to generate oxidation, scarifying, the problem of heating takes place.

4, indent circular arc wire casing body and chock adopt trapezium structure, make being connected of connector and lead more firm solid, be difficult for lax, because bolt is from the side of connector chock to be fixed, both guaranteed not destroy the whole linkage function of connector and lead, can prevent effectively that again chock from withdrawing from from the wedge-shaped slot body, guarantee that connector and lead keep constant contact pressure and stable electric contact performance.

5, simple installation, safety, convenient disassembly can use repeatedly.Effectively solve with launching core and specific purpose tool and throw voussoir loaded down with trivial details, the complicated operations installation process of C type spare into, avoid the potential safety hazard of constructing and causing simultaneously, make things convenient for regular maintenance, the maintenance of applying unit, save user's fund and manpower to the workman.

Description of drawings

Fig. 1 is the structural representation (lead is not installed) of the indent circular arc wire casing of the utility model wedge shape electrical wire connector.

Fig. 2 is the structural representation of the trapezoidal voussoir that cooperates with indent circular arc wire casing.

Fig. 3 inserts enforcement structure chart behind the indent circular arc wire casing for the assembling lead and with voussoir

Fig. 4 is the left view of Fig. 3.

Fig. 5 is the rearview of Fig. 3.

Fig. 6 is the structural representation of another kind of indent circular arc wire casing.

Fig. 7 is the structural representation of the another kind of trapezoidal voussoir that cooperates with indent circular arc wire casing.

Embodiment

Shown in Fig. 1-5, the wedge shape electrical wire connector comprises that a main body is trapezoidal, cross section is " C " font indent circular arc wire casing 1, and the conducting metal piece 3 that can put into the concave arc wire casing, constitute with attachment screw 4, indent circular arc wire casing 1 is provided with

screw slots

2,1 one-tenth parallel distribution of the screw slots 2 of Fig. 1 and indent circular arc wire casing, electrical lead 5 is placed in the both sides in the arc groove 1, the conducting metal piece 3 of putting into the concave arc wire casing is trapezoidal voussoir, and there is " C " font groove its left and right side, the end has and is used for the hole ear of construction bolt, cooperates with indent circular arc wire casing 1, this is the voussoir of province's material shape, and front and back are fluted.

In the embodiment of Fig. 6, screw slots 2 also are located at the outside of concave arc wire casing 1, but 1 one-tenth vertical distribution of screw slots 2 and concave arc wire casing.

In the embodiment of Fig. 7, conducting metal piece 3 is the trapezoidal voussoir on plane for front and back.

The enforcement structure of some parts in the middle of the above-mentioned just wedge shape electrical wire connector, concave arc wire casing 1 and conducting metal piece 2 can also be made other external shape, and size also can be adjusted arbitrarily according to the diameter of lead.

Claims

1. wedge shape electrical wire connector, the employing metal material is made, it comprises an indent circular arc wire casing, and the conducting metal piece that can put into the concave arc wire casing, it is characterized in that: the main body of indent circular arc wire casing (1) is trapezoidal, cross section is " C " font, and be provided with screw slots (2), electrical lead (5) is placed in the arc groove (1), the conducting metal piece (3) of putting into the concave arc wire casing is trapezoidal voussoir, there is " C " font groove, end to have to be used for the hole ear of construction bolt its left and right side, cooperates with indent circular arc wire casing.

2. wedge shape electrical wire connector according to claim 1 is characterized in that: be the trapezoidal voussoir on plane before and after the said conducting metal piece (3), or the reeded trapezoidal entity in front and back.

3. wedge shape electrical wire connector according to claim 1, it is characterized in that: said screw slots (2) are located at the outside of concave arc wire casing (1), screw slots (2) become parallel distribution with concave arc wire casing (1), perhaps become vertical distribution with concave arc wire casing (1).