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Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines

A corner and end technology, which is applied to the field of 10 kV long-line 60°~90° corner upper line live hanging end operation, can solve the problems of high cost, low efficiency, and inadaptability to work tasks, so as to reduce workload and reduce workers Number of people, cost reduction effect

Active Publication Date: 2011-08-10
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is very costly, but the efficiency is very low, and it is becoming less and less suitable for the work tasks that are increasing rapidly with the development of the city.

Method used

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  • Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines
  • Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines
  • Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines

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Embodiment Construction

[0016] The present invention adopts a kind of three-phase wire insulation fixed support, such as Figure 1 to Figure 8 As shown, it includes a support base 1, a support platform 2, a support diagonal brace 3, a support iron 4, a support stand 5, a support brace 6 and a support bar 7, and the support base 1 and the support iron 4 are all fixed on On the utility pole 8, the support iron 4 is located directly below the support base 1, the support platform 2 is rectangular, and a short side of the support platform 2 is connected to the support base 1, and the support platform 2 in a horizontal posture, one end of the support brace 3 is connected to the support iron 4, and the other end is connected to the end of the support platform 2 away from the utility pole; the support stand 5 is installed vertically upward on the support platform 2 away from one end of the utility pole, one end of the bracket brace 6 is connected to the end of the bracket platform 2 close to the utility pole...

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Abstract

The invention discloses a method for an electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines, comprising the following steps: firstly using an insulator to shield leads D and F; installing drainage wires below the leads; installing an insulated fixed bracket of a three-phase lead; clamping an extended lead in a groove of a bracket crossed bar; connecting the extended lead with the original leads on a wire pole; finishing the installation of the other end of the extended lead to make the lead not droop, and detaching the insulated fixed bracket of three-phase lead. Through using the insulated fixed bracket of the three-phase lead, the invention can greatly reduce the work load of the electrification end-hanging operation of an upper layer circuit at 60-90 degrees of corners on 10 kilovolt long lines (trunk lines), reduces the number of the workers and the used apparatuses, and greatly reduces the cost.

Description

technical field [0001] The invention relates to a 10 kV long line (trunk line) operation method for live-line hanging at the end of a 60°-90° corner upper line. Background technique [0002] Now, with the continuous development of the city, some newly built areas require supporting installation of power equipment. In some cases, existing wires need to be extended into new areas. Among them, one of the more common operations is the 10 kV long line (trunk line) 60°~90° corner upper line live hanging end operation. This operation extends the line that was originally a right-angle turn to a branch in a straight line. Since it is a live operation, it is necessary to absolutely avoid contact between wires during the operation and cause a short circuit. Existing methods require multiple elevated vehicles and multiple workers to work together to set up the newly extended lines. This method is very costly, but its efficiency is very low, and it is increasingly unsuitable for the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
Inventor 姚春军倪新民宋军周华徐晓华沈慧榕胡惠峰
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO