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Method for the severance of an electrical power cable, or of a strand section, device therefor, as well as cutting device

Inactive Publication Date: 2018-01-04
GUSTAV KLAUKE GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect of this patent is to provide a safer device for cutting strand-shaped items like power cables. An adapter is used to connect the item to a cutting device, which ensures that the item is always oriented correctly for accurate cutting. The adapter is made from a cost-effective material that can be easily cut and formed in two parts for pivoting. This makes it easy to use the cutting device even when dealing with cables under load. The adapter allows for proper positioning of the measuring probe for accurate load interrogation of the cable.

Problems solved by technology

In the event that the insulated electrically conductive wires are electrically loaded with high voltage, this leads to a measurable electrical load between the screening layer and the insulation sheath.

Method used

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  • Method for the severance of an electrical power cable, or of a strand section, device therefor, as well as cutting device
  • Method for the severance of an electrical power cable, or of a strand section, device therefor, as well as cutting device
  • Method for the severance of an electrical power cable, or of a strand section, device therefor, as well as cutting device

Examples

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Embodiment Construction

[0100]A device 1 in the form of a hydraulic cutting device 2 for the severance of a strand-shaped item to be cut 3, in particular a strand section 4, and, as illustrated, a power cable 5, is illustrated and described with reference to FIG. 1. Insofar as reference is made below to the power cable 5, the disclosure is also relevant for a strand-shaped item to be cut or a strand section, respectively, insofar as a voltage admission, as might possibly be present in the case of the electrical power cable, is not important. The electrical power cable 5 is a high voltage power cable.

[0101]FIG. 1 schematically illustrates a situation, in which the power cable 5, which is to be severed, is installed as item to be cut 3 in an exposed trench 6.

[0102]The cutting device 2 can be remotely controlled, by a control device 7, which is hydraulically and, if applicable, also electrically connected with the cutting device 2. A connecting dielectric hydraulic hose is provided with reference numeral 8.

[0...

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Abstract

A device is used to sever an electrical power cable for the transmission of high voltage. The cable has an insulation sheath, a screening layer and a conductive layer. The device includes a first frame having a first cutting blade mounted thereon, a second frame, and a measuring device mounted on the second frame. The first cutting blade is movable relative to the measuring device. The measuring device is capable of measuring an electrical load on the electrical power cable and capable of terminating the severing of the electrical power cable. A method of using the device is also provided.

Description

[0001]This application claims the domestic benefit of U.S. Provisional Application Ser. No. 62 / 100,639, filed on Jan. 7, 2015, the contents of which are incorporated herein in its entirety.FIELD OF THE DISCLOSURE[0002]A method for the severance of an electrical power cable, which is used for transmission of high voltage and which has an insulation sheath as well as a screening layer is provided.BACKGROUND[0003]Methods are known and are used, for example, when working on so-called buried cables, and in particular on buried cables, which are installed and which are at least ready for operation.[0004]In particular, in the case of installed electrical power cables for the transmission of high voltage, there is a risk that they are still electrically loaded in the course of the severance, which can lead to endangering the persons, who bring about the severance of the power cable. It can also lead to damages to the cutting device.[0005]With regard to the known state of the art, the proble...

Claims

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Application Information

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IPC IPC(8): H02G1/00G01R21/00H01B9/02H02G9/02
CPCH02G1/005G01R21/006H02G9/02H01B9/02B23D29/002B23D29/023
Inventor FRENKEN, EGBERT GEORG GOTTFRIEDMCNULTY, WILLIAM JOHNDARKOW, TORSTENLEHR, ANDREAS
Owner GUSTAV KLAUKE GMBH
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