Substation double busbar balanced door insulation ladder

A technology of double busbars and insulating ladders, which is applied to electrical components, switchgear, etc., can solve problems such as insulation ladders falling out, and achieve the effects of improving safety, ensuring personal and equipment safety, and facilitating live work

Active Publication Date: 2016-02-17
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a double-busbar balanced door insulation ladder in a substation, which solves the problem in the prior art that the insulating ladder is easy to come out from the busbar and has potential safety hazards

Method used

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  • Substation double busbar balanced door insulation ladder

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Experimental program
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Effect test

Embodiment 1

[0019] like figure 1 As shown, the insulating ladder body 11 is included, the upper end of the body is provided with a right-angled U-shaped insulating board 10, the upper part of the insulating board is provided with a crossbeam 8, and the two ends of the crossbeam are fixed with the insulating board by through-hole bolts 9; the two ends of the crossbeam are respectively connected with a support bar , the other ends of the two support rods are fastened with the cross beam to form a tripod; an aluminum alloy plate 1 is arranged above the tripod, and a bolt 4 is arranged under the aluminum alloy plate, and the top of the bolt is embedded in the aluminum alloy plate, and the aluminum alloy plate and The bolts are fastened by bolts 2; the lower surface of the aluminum alloy plate is located on both sides of the bolts and provided with arc-shaped grooves 3, the inner diameter of the arc-shaped grooves matches the outer diameter of the busbar, and the distance between the arc-shaped...

Embodiment 2

[0021] The bolts pass through the top of the aluminum alloy plate, and other structures are the same as in Embodiment 1.

[0022] Before using the invention, the groove and the horizontal bar are in an open state. When in use, the ground staff presses the lower part of the insulating ladder body, and the operator lifts the upper part of the insulating ladder body, erects the insulating ladder, then lifts the insulating ladder and inserts it at the middle of the double busbar, rotates 90°, and the arc-shaped concave The groove is aligned with the busbar and hung on the double busbar. At this time, the ground electrician rotates the insulating ladder to move the nut on the horizontal bar up until the horizontal bar seals the arc-shaped groove, locks the busbar to stop rotating, and adjusts the angle of the insulating ladder so that The live working personnel are comfortable when going up and down the insulation ladder, and the distance between the person and the ground, the comb...

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Abstract

The invention relates to an insulation ladder for double-busbar balanced door sealing in a substation, which comprises an insulation ladder body, an insulation board is arranged at the upper end of the body, a crossbeam is arranged on the upper part of the insulation board, two ends of the crossbeam are respectively connected with a support rod, and the other ends of the two support rods are buckled. Combined with the beam to form a tripod; the top of the tripod is provided with an aluminum alloy plate, and the bottom of the aluminum alloy plate is provided with bolts. , the outer surface of the nut is fixedly connected to the buckle at the top of the support rod, and the outer surface of the nut is welded with a horizontal bar. The invention ensures the convenience, speed and safety of the live work in the substation. The insulation ladder is hung on the double busbars to keep the double busbars level, and the insulation ladders are automatically locked after being hung, which can prevent the insulation ladders from falling out of the busbars, improve the safety of on-site operations, and ensure Personal and equipment safety.

Description

technical field [0001] The invention relates to an insulating ladder, in particular to a double busbar balanced door insulating ladder for substation double busbar live work, which belongs to the technical field of electric power transmission. Background technique [0002] During the operation and maintenance of the power system, it is often necessary for operators to enter the strong electric field to install and remove the connecting wires. After the connecting wires are removed, the maintenance personnel can perform power-off maintenance on the isolating switch, rotary switch, and vertical switch. There is no need for operators to guide spacing and load shedding. However, if the connecting wires cannot be removed while live, it is necessary to conduct intervals and shed loads. Then the operator needs to operate more than 200 times each time, which is easy to cause accidental pull and wrong connection, which will cause large-scale power outages, posing safety hazards and c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B3/00
Inventor 姜广敏吴化君杨玉明陈媛刘树森金先成
Owner STATE GRID CORP OF CHINA
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