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Electric power stringing fitting

A technology for wiring and fittings, applied to electrical components, overhead installation, cable installation, etc., can solve problems such as easy loosening and poor firmness, and achieve the effect of reasonable center of gravity distribution, labor-saving operation, and good anti-loosening effect

Inactive Publication Date: 2016-05-11
胡小青
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional electric wire fittings also have shortcomings. The pressure of clamping wires depends on the pressure of ordinary bolt components, which is poor in firmness and easy to loosen.

Method used

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  • Electric power stringing fitting
  • Electric power stringing fitting
  • Electric power stringing fitting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] This embodiment is a kind of electric power wiring fittings, see Figure 1 to Figure 6 As shown, it includes a base 1 , two pressure rings 2 and two sets of pressure jaw assemblies 3 .

[0019] The base body 1 includes a base pipe part 11, a core pipe part 12 arranged in the lumen of the base pipe, and a connecting plate part 13 for connecting and fixing the base pipe part and the core pipe part; There is an internal thread area 111: the base pipe part and the core pipe part are arranged concentrically, and the connecting plate part is an annular plate located between the base pipe part and the core pipe part. In this embodiment, the connecting plate part is located between the base pipe part and the core pipe At the axial middle end of the pipe part, two internal thread areas are located on both sides of the connecting plate part; in practice, the structural shape of the connecting plate part only needs to meet the fixed connection between the base pipe part and the co...

Embodiment 2

[0034] This embodiment is basically the same as Embodiment 1, the difference is: see Figure 6 to Figure 9 As shown, this embodiment also includes a mandrel 7 located in the lumen of the core tube part; four arc-shaped clamping grooves 71 are provided on the outer peripheral wall of the mandrel, each arc-shaped clamping groove extends axially along the core tube part, each The arc-shaped clamping grooves are arranged opposite to the arc-shaped grooves on the inner wall of the corresponding one of the pressure jaws; each arc-shaped clamping groove and a corresponding arc-shaped groove are clamped to form a clamping hole 4; so this embodiment can form four clamping holes, Can be used to clamp four cables simultaneously.

[0035] The outer peripheral wall of the mandrel is provided with four supporting positioning convex plates 72 protruding along the radial direction of the core tube part, and the inner peripheral wall of the core tube part is provided with four positioning slid...

Embodiment 3

[0037]This embodiment is basically the same as Embodiment 1, the difference is: see Figure 10 As shown, this embodiment also includes a voltage transformer 8; the voltage transformer includes a ring-shaped induction body 81 and an intelligent control module; in this embodiment, an annular groove is arranged on the inner peripheral wall of the core tube, and the The opening is located on the inner peripheral wall at the axial middle end of the core tube, and the groove extends radially into the connecting plate; the ring-shaped induction body and the intelligent control module of the voltage transformer are fixed in the ring-shaped groove. In specific practice, the voltage transformer can also be fixedly arranged on other positions, as long as the clamping hole is located in the cavity of the ring-shaped induction body, that is, it is only necessary to make the cable pass through the cavity of the ring-shaped induction body .

[0038] The intelligent control module can includ...

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PUM

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Abstract

The invention discloses an electric power stringing fitting. The electric power stringing fitting comprises a matrix, pressing rings and pressing pawl assemblies; the matrix comprises a base tube portion, a core tube portion and a connecting plate portion; the inner walls of two side ends of the base tube portion are respectively provided with an internal screw thread area; the tube wall of the core tube portion is provided with a guiding slide hole; each of the pressing pawl assemblies comprises a plurality of pawls; each of the paws is provided with a pressing plate portion and a guiding slide column portion; the guiding slide portion is formed through projecting from the pressing plate portion, and the top end of the guiding slide column portion is provided with a stress inclined plane; each of the pressing rings comprises a tapered crimping surface and an outer screw thread area; the tapered crimping surface is crimped on the stress inclined plane; and when all the pressing rings rotate along a preset direction, the pressing rings push the pressing plate portions in the corresponding one pressing pawl assembly to move toward the center of the core tube portion. The electric power stringing fitting is easy to install, and has good electrical performances.

Description

technical field [0001] The invention belongs to the technical field of electric power fittings, and in particular relates to a kind of electric wire fittings. Background technique [0002] In the construction of overhead power lines, when the cables need to be branched or spliced, it is necessary to use power wiring fittings to connect two insulated conductors together. Electric wiring fittings have the characteristics of easy installation, low cost, safety, reliability and maintenance-free. Cable branches can be made without cutting off the main cable or stripping the insulation layer of the cable. The joints are completely insulated and can be used for live work, and can be branched at any position on the cable; no terminal box or junction box is needed; and the joints are resistant to twisting, Shockproof, waterproof, anti-corrosion and aging; using insulated power wiring fittings as cable branches, the comprehensive benefits are obvious, and the cost performance is bett...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/00
CPCH02G7/00
Inventor 胡小青
Owner 胡小青
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