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Method of positioning transformer in frequency converter cabinet

A technology of transformers and frequency converters, which is applied in the direction of transformer/reactor installation/support/suspension, switchgear, electrical components, etc. It can solve the problems of large beam bearing capacity and easy deformation, transformers are easy to dump, and high cost of measures, and achieve manpower and material resources. The effect of less investment, high installation efficiency, and reduced installation costs

Inactive Publication Date: 2013-01-09
CHINA MCC17 GRP
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current installation method is to process the door frame with wheels, remove the top of the cabinet, and use the door frame to slide the transformer to the base of the cabinet. This method must remove the top of the cabinet to destroy the structure of the cabinet, and then process the door frame. The cost of the measure is relatively high. In addition, the concrete floor is difficult to bear the weight of the gantry and the transformer, and the transformer is easy to fall during the transportation process, causing irreparable losses
Another method is to perforate the roof beams and use lifting equipment to transport the transformer to the base of the cabinet. This method needs to open holes in the roof to destroy the building structure. safety hazard

Method used

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  • Method of positioning transformer in frequency converter cabinet
  • Method of positioning transformer in frequency converter cabinet
  • Method of positioning transformer in frequency converter cabinet

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] A method for placing a transformer in a frequency converter cabinet, comprising the following steps:

[0026] First prepare the tools:

[0027] According to the weight of the transformer 1, select two suitable electro-hydraulic jacks, two hydraulic push rods 5 and two 400*400*14mm steel plates as gaskets for the electro-hydraulic jack, and make two Ω-shaped ones made of 10# channel steel Lifting bracket 2, two sets of fixtures 4 and two 1m long guide rails 6 made of 16# channel steel;

[0028] Then the transformer 1 is jacked up, figure 1 It is a schematic diagram of transformer 1 jacking of the present invention, and the specific jacking process is:

[0029] Set two Ω-shaped lifting brackets 2 in the steel plate grooves protruding upwards from the bottom in the middle of the iron cores on both sides of the transformer 1, and use two jacks 3 with st...

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Abstract

The invention discloses a method of positioning a transformer in a large frequency converter cabinet and provides a novel method of efficiently solving the problem that the transformer is positioned in the cabinet type frequency converter for enterprises of metallurgy and electric power. Under the condition that a cabinet body or an architectural structure is not damaged, the transformer is smoothly conveyed onto the base of the cabinet, thereby avoiding trivial procedures of manufacturing a door frame and removing the top of the cabinet; and the method can be applied only by processing a few necessary instruments, a lifting bracket in the shape of Omega, paving tracks and the like. The method of positioning the transformer in the large frequency converter cabinet has the advantages of simplicity and convenience in operation, high working performance, small lifting height and steady and reliable positioning process, and has the advantages of avoiding the unpredictable hidden dangers left by damaging the cabinet body or the architectural structure of an electric room, the usages of manpower and material resources are fewer, the positioning efficiency is high, and the installing cost is greatly reduced.

Description

technical field [0001] The invention relates to a method for placing a transformer in place, in particular to a method for placing a transformer in a large cabinet-type frequency converter in a metallurgical and electric power enterprise. Background technique [0002] The total weight of the frequency conversion cabinet for the OG system of the steelmaking project of the metallurgical enterprise is 12t, and the net weight of the transformer is 7.6t. The frequency conversion cabinet is installed in the dust removal building. The transformer in the cabinet is sent separately. After the cabinet is in place, its base height reaches 20mm. How to lift the transformer weighing 7.6t and send it to the mounting seat in the cabinet is a difficult problem for technicians. The current installation method is to process the door frame with wheels, remove the top of the cabinet, and use the door frame to slide the transformer to the base inside the cabinet. This method must remove the top ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B3/00H01F27/06
Inventor 孙亮陈忠保杨明金仁才左军罗东施光涛
Owner CHINA MCC17 GRP
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