High voltage power splicing fitting having good wire clamping fastness

A high-voltage power, connecting hardware technology, applied in conductive connection, clamping/spring connection, needle tip/slotted plate contact used to penetrate insulated wire/cable core wire, etc., can solve the problem of poor firmness, easy loosening, etc. problems, to achieve the effect of reducing vibration, reasonable distribution of the center of gravity, and ensuring stability and reliability

Inactive Publication Date: 2016-08-10
申清章
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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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  • High voltage power splicing fitting having good wire clamping fastness
  • High voltage power splicing fitting having good wire clamping fastness
  • High voltage power splicing fitting having good wire clamping fastness

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0017] This embodiment is a high-voltage power connection fitting with better clamping fastness, see Figure 1 to Figure 5 As shown, it includes a base pipe 1 , a core pipe 2 , two sets of pressing jaw assemblies 3 and a flat nut 4 .

[0018] The inner peripheral wall of the substrate tube is provided with a plurality of crimping bosses 11 along the axial direction of the substrate tube, and the inner wall of each crimping boss is provided with arc-shaped grooves 111; the inner peripheral wall of the substrate tube is also provided with a plurality of positioning The chute 12; the core tube and the base tube are arranged concentrically and are located in the lumen of the base tube; the outer peripheral wall of the core tube is provided with a plurality of supporting convex plates 21 extending radially along the core tube, and the outer ends of each supporting convex plate Located in a corresponding positioning chute, so that the core tube is supported and positioned in the lum...

Embodiment 2）

[0031] This embodiment is basically the same as Embodiment 1, the difference is: see Figure 6 and Figure 7 As shown, the base pipe 1 is provided with a mounting screw hole 15 radially penetrating through the wall of the base pipe; a temperature sensing device 8 is fixed in the mounting screw hole.

[0032] The temperature sensing device 8 includes a metal housing 81 made of metal material with a containing groove 811, a temperature sensor 82 arranged in the containing groove, and a spring 83 for crimping the temperature sensor on the bottom wall of the containing groove , The screw tube plug 84 that is used for limit spring.

[0033]One end 812 of the metal shell close to the central axis of the core tube is provided with a heat conduction boss 813 used as a puncture, and one end 814 of the metal shell away from the central axis of the core tube is provided with an inner hexagonal screw groove 815; There is an external thread 816 adapted to the mounting screw hole, and an ...

Embodiment 3）

[0041] This embodiment is basically the same as Embodiment 2, the difference is: see Figure 8 As shown, a current transformer 9 is sleeved and fixed on the outer peripheral wall of the base pipe in this embodiment, and the current transformer 9 includes a ring-shaped induction body 91 and an intelligent control module 92; the overall shape of the intelligent control module is also ring-shaped; the ring-shaped induction The main body 91 and the intelligent control module 92 are arranged side by side.

[0042] The inner peripheral wall of the intelligent control module 92 is provided with two sockets protruding inward (not shown in the figure), and each socket is inserted into a corresponding socket, so that the temperature sensor and the intelligent control module connected to the central control circuit in the

[0043] When the number of crimping bosses and pressing claws in this embodiment is three, this embodiment can form three clamping holes for clamping three phase cabl...

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PUM

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Abstract

The invention discloses a high-voltage electric power connection fitting with better clamping fastness, which comprises a base pipe, a core pipe, two sets of pressing jaw assemblies and a flat nut; the inner peripheral wall of the base pipe is provided with a crimping boss, The tube wall of the core tube is provided with a radial limit sliding hole; each set of pressure claw components includes a plurality of pressure claws; each pressure plate part is clamped with a corresponding crimping boss to form a clamping hole; the plane nut is rotated and set on the core In the tube cavity; the plane nuts are provided with a plane threaded part on both sides along the axial direction of the core tube, and the center of the plane nut is provided with a fastening part; The driving thread part of the claw is engaged and fitted; the base pipe is provided with a mounting screw hole radially penetrating through the wall of the base pipe; the base pipe is provided with a mounting screw hole of a built-in temperature sensing device. The invention has better anti-loosening effect.

Description

technical field [0001] The invention belongs to the technical field of electric power fittings for overhead lines, and in particular relates to a high-voltage electric connecting fitting with better clamping fastness. 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 c...

Claims

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Application Information

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IPC IPC(8): H01R4/40H01R4/24H01R13/66
CPCH01R4/40H01R4/2412H01R13/6683
Inventor 申清章
Owner 申清章
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