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Electrified repair device for earthing cable

A live repair and grounding cable technology, which is applied in the direction of cable installation devices, cable installation, electrical components, etc., can solve the problems of potential safety hazards in the operation of cable lines, and achieve the effect of light weight, easy to carry and operate, and good anti-corrosion performance

Active Publication Date: 2012-09-26
WUXI POWER SUPPLY JIANGSU PROVINCE ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The theft or external damage of the copper core insulated grounding wire (including grounding wire, coaxial cable, and return wire) will cause changes in the cable grounding system, resulting in potential safety hazards in the operation of the cable line, so it is necessary to repair and eliminate defects in time

Method used

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  • Electrified repair device for earthing cable
  • Electrified repair device for earthing cable
  • Electrified repair device for earthing cable

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Embodiment Construction

[0024] The specific embodiments of the present invention will be further described below in conjunction with the drawings.

[0025] Figure 1~Figure 8 It includes the handle 1, the oil cylinder 2, the hydraulic device 3, the neck collar 4, the clamp body 5, the cable fixing block 6, the puncture mechanism 7, the cable pre-tensioning chuck 8, the compression spring 9, the hydraulic return device 10, and the hydraulic operation Rod 11, temporary grounding wire 12, terminal 13, puncture nail fixing body 14, bearing surface 15, puncture nail 16, puncture limit surface 17, rope connector 18, rope connection hole 19, cross pin 20, tension spring 21 , Piston 22, Compression Spring Support Ring 23, Oil Storage Bag 24, Return Valve 25, Low Pressure Relief Valve 26, Low Pressure Pump 27, High Pressure Pump 28, First Blind Hole 29, Magnet 30, Second Blind Hole 31, T-shaped Slot 32 and so on.

[0026] Such as figure 1 As shown, the present invention is a grounding cable live repair device, in...

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Abstract

The invention relates to an electrified repair device for an earthing cable, which is used in the process of repairing the earthing cable in an electrical power system. The electrified repair device comprises a hollow clamp body, wherein an oil cylinder, a hydraulic device and an insulated handle are sequentially connected to the rear end of the clamp body; a piston of the oil cylinder extends into the inner space of the clamp body; a cable pre-tightening chuck is in sliding fit with the front end of the piston; a compressed spring is arranged between the cable pre-tightening chuck and the piston; a puncturing mechanism is arranged in the cable pre-tightening chuck and assembled on the end head of the piston; an insulation hydraulic operation rod is arranged on the lateral surface of the hydraulic device; and a hydraulic reflux device is arranged on the hydraulic operation rod. In the electrified repair device, a puncturing nail can be pushed into the earthing cable safely, quickly and reliably by hydraulic thrust to achieve the effect of temporary earthing.

Description

Technical field [0001] The invention relates to a temporary grounding tool used in the repairing process of a grounding cable of a power system, in particular to a live repairing device for a grounding cable. Background technique [0002] With the development of the economy, the use of high-voltage power cables continues to increase, the voltage level continues to increase, and the cross section continues to increase. The total amount of copper-core insulated wires in the power cable grounding system is increasing, and the cross-section is also increasing. It has become one of the key targets of theft and external damage. The theft or damage of the copper core insulated grounding wire (including grounding wire, coaxial cable, return wire) or damage caused by external force changes the cable grounding system, resulting in potential safety hazards in the operation of the cable line. Therefore, timely repairs are necessary. [0003] After the insulated wire of the cable grounding sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/00
Inventor 何光华张志坚谢敏生吴寅雄俞骏崔国华罗锋
Owner WUXI POWER SUPPLY JIANGSU PROVINCE ELECTRIC POWER
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