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Special exposure test rack for steel structure of power system

A power system and steel structure technology, applied in the field of UHV power transmission and transformation, can solve the problems of ionic strength and corrosive components increase, and achieve the effect of strong corrosion resistance, strong adaptability and simple installation

Active Publication Date: 2016-01-20
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of corrosion is different from the traditional atmospheric corrosion. Due to the strong electric field, the continuous discharge of the power supply line will greatly increase the ionic strength and corrosive components of the atmospheric environment in the strong electric field area.

Method used

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  • Special exposure test rack for steel structure of power system
  • Special exposure test rack for steel structure of power system
  • Special exposure test rack for steel structure of power system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] Such as Figure 1-5 As shown, the support frame 1 and the exposure frame 2 are made of galvanized flat steel and galvanized angle steel, and the exposure frame 2 is installed on the support frame 1 at an angle of 45 degrees to the ground; Bracket adjustment slot 102, the vertical bracket 101 adjusts the angle and position through the vertical bracket adjustment slot 102; the vertical bracket 101 is provided with adjustment screw holes, the vertical bracket is adjusted according to the angle and width of the vertical part of the power transmission and transformation steel structure, and the bakelite insulation board is placed on it , fixed on the power transmission and transformation steel structure with bolts through the adjusting screw holes.

[0029] There are three beams 201 on the exposure surface of the exposure rack 2, and 2 mm thick bakelite boards 202 are fixed on top of the three beams, and the exposure sample 3 is installed on the exposure surface bakelite boa...

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Abstract

The invention relates to a special sunning test frame for a power system steel structure, aiming at monitoring the corrosion conditions of a structure material and an equipment material in the transmission and transformation high pressure and strong electric field environment of a power system. The special sunning test frame comprises a supporting frame and a sunning frame, wherein the sunning frame is installed on the supporting frame with an angle of 45 degrees with the ground, the supporting frame is provided with a vertical bracket and a vertical bracket adjustment device, the sunning frame is provided with a beam, and a specimen is fixed on the beam by virtue of a fixture. According to the special sunning test frame provided by the invention, as a steel structure fixing installation mode is adopted, the atmosphere sunning frame is not fixed on the ground but on the power transmission and transformation equipment steel structure, and the fixing height is adjustable. With the adoption of the special sunning test frame, the atmosphere corrosion speeds in different heights, at different positions and under different electric field intensities can be monitored by virtue of a blade-hanging mode; and the specimen can be directly hung on power transmission and transformation equipment so as to directly monitor the corrosion conditions of the materials of a substation, a transmission line tower and other power transmission and transformation equipment.

Description

technical field [0001] The invention relates to a corrosion status monitoring device for structural materials and equipment materials under high-voltage and strong electric field environment of power system power transmission and transformation, in particular to a special exposure test frame for steel structure of power system, which belongs to the technical field of UHV power transmission and transformation. Background technique [0002] As an effective method to evaluate and study the atmospheric corrosion of materials, atmospheric corrosion exposure has been widely used in many scientific research and engineering fields. But at present, all the atmospheric exposure devices and atmospheric sample hanging devices are general-purpose, that is, on the ground, in the shutter box or in the exposure field. With the rapid development of my country's electric power industry and the continuous expansion of the scale of various cities and towns, 220kV transmission lines have become ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B3/00H02G1/00G01N17/00
Inventor 李君明崔文军吴细毛高立群洪鹤于鑫
Owner STATE GRID CORP OF CHINA
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