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Electric power continuing fitting

A technology for connecting fittings and electric power. It is applied in the installation of electrical components, cables, and overhead installation. It can solve problems such as poor firmness and easy loosening, and achieve the effect of ensuring work performance, stability and reliability, and excellent anti-loosening effect

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

AI Technical Summary

Problems solved by technology

However, the traditional power line connection fittings also have shortcomings. The pressure of the clamping line depends on the pressure of the ordinary bolt assembly, which is poor in firmness and easy to loosen.

Method used

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  • Electric power continuing fitting
  • Electric power continuing fitting
  • Electric power continuing fitting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] This embodiment is a kind of power connection fittings, see Figure 1 to Figure 4 As shown, it includes a core tube 2, two sets of pressing jaw assemblies 3, a flat nut 4 and two sets of crimping assemblies.

[0016] The tube wall of the core tube is provided with six radial limiting sliding holes 22, and each radial limiting sliding hole runs through the core tube tube wall along the radial direction of the core tube; each radial limiting sliding hole is located in the axial direction of the core tube. In the upper middle part, the radial cross-sectional shape of each radial limiting hole is I-shaped. In this embodiment, the six radial limiting holes are divided into two groups, and the three radial limiting holes in each group are used for matching with a corresponding set of pressing jaw assemblies.

[0017] Each set of crimping components is used to adapt to a corresponding set of pressing jaw components, and each set of crimping components includes three crimping ...

Embodiment 2

[0032] This embodiment is basically the same as Embodiment 1, the difference is: see Figure 5 to Figure 7 As shown, a current transformer 8 is sleeved and fixed on the outer peripheral wall of each crimping piece in this embodiment; the current transformer 8 includes an annular base 81 and an intelligent control module 82, and the intelligent control module may include a wireless transceiver unit. When there is a leakage current in the three power cables, the ring base will induce a secondary current, and the intelligent control module will transmit the secondary current information to the remote host through the wireless transceiver unit; the intelligent control module is set on the inner wall of the ring base and the outer wall of the core tube. In the area enclosed by the outer wall of the crimping part, the space is fully utilized, which is beneficial to the overall small size and integration.

[0033] This embodiment as a whole can be used as a high-voltage zero-sequence...

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PUM

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Abstract

The invention discloses an electric power continuing fitting. The electric power continuing fitting comprises a core tube, two pressing pawl assemblies and two planar nuts; the inner peripheral wall of the core tube is provided with a crimping boss, the tube wall of the core tube is provided with a radial spacing slide hole, and the inner peripheral wall of the core tube is provided with a baffle bench; each of the pressing pawl assemblies comprises a plurality of pressing pawls; the two planar nuts are respectively arranged in the tube cavity of the core tube in a rotating manner and are respectively arranged at two sides of the baffle bench; each of the planar nuts comprises a fastening part and a planar thread part adapting to all the pressing pawls in the corresponding pressing pawl assembly; and all the planar nuts drive the planar thread parts to rotate back and forth in order to drive all the pressing pawls in the corresponding pressing pawl assembly to get close to each other toward the center of the core tube or to keep away from each other. The electric power continuing fitting has excellent loosening resistance.

Description

technical field [0001] The invention belongs to the technical field of electric power fittings for overhead lines, and in particular relates to a power connecting fitting. Background technique [0002] In the construction of overhead power lines, when the cables need to be branched or connected, it is necessary to use power line connecting fittings to connect two insulated conductors together. Power line connection 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 line connection fittings as cable branches, the comprehensive benefits are ob...

Claims

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Application Information

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IPC IPC(8): H02G7/00
CPCH02G7/00
Inventor 胡妍
Owner 胡妍