Insulating shielding device for live-line work

Abstract

The invention discloses an insulating shielding device for live-line work, and the device comprises an insulating shielding blanket and an insulating shielding cover. The insulating shielding blanket comprises an inner core layer, and the exterior of the inner core layer is wrapped by a special insulating fiber cloth sleeve. A vacuum structure is disposed between the inner core layer and the special insulating fiber cloth sleeve. The insulating shielding cover is tubular body, wherein one end of the tubular body is opened, and the other end of the tubular body is closed. According to the invention, the insulating shielding blanket can effectively shield knife switch contacts at adjacent phases, and improves the work safety. The insulating shielding blanket is light in weight, is good in flexibility, can be rolled up to form a cylinder convenient to carry during at ordinary times, and can be unfolded quickly for use. The sealing glue insulating holes added to the edge of the periphery facilitate the quick hanging installation or disassembly.

Description

technical field [0001] The invention relates to an auxiliary tool for live work, in particular to an insulating and shielding device for live work. Background technique [0002] With the rapid development of the power grid, power corridors are increasingly scarce, and multi-circuit or compact transmission lines on the same tower are increasing. When live work is performed on poles and towers, the safety distance is often small, especially when operating on the lower level. , there is often an upper-layer conductor above the human body. Taking the 110kV double-circuit line on the same tower as an example, the distance between the upper and lower cross-arms is 3.5m. After deducting the length of the 1.3m metal insulator string, the operator with a height of 1.7m stands at a safe distance when standing on the lower cross-arm. There is only 0.5m left, which is far less than the safety distance of 1.0m. If only relying on safety monitoring without insulation and isolation prote...

AI Technical Summary

Problems solved by technology

At present, the tools used by equipotential electricians to enter the electric field mainly include insulated hard ladders, insulated lifts, etc. When personnel perform equipotential operations on the top of porcelain columns of electrical equipment such as switches and knife switches, due to the compact layout of the substation equipment, the equipotential operations There are often adjacent live equipment around the personnel. A slight negligence during the operation will result in insufficient safety distance or even personal accidents. Insulation protection measures are also urgently needed

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