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Fan brake disc in-cabin repairing method and structure

A repair method and brake disc technology, applied in the direction of climate sustainability, sustainable building, renewable energy integration, etc., can solve problems such as poor weldability, low strength, and complicated welding process, and achieve the effect of excellent toughness

Pending Publication Date: 2022-05-31
湖南高创新能源智慧运维有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a method and structure for repairing the fan brake disc cabin, which has the advantages of high repair strength, high tensile strength and toughness, and solves the problem of low strength, poor weldability, and welding problems. complex process issues

Method used

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  • Fan brake disc in-cabin repairing method and structure
  • Fan brake disc in-cabin repairing method and structure
  • Fan brake disc in-cabin repairing method and structure

Examples

Experimental program
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Embodiment 1

[0037] A method for repairing a fan brake disc cabin, comprising the following steps:

[0038] S1: Enter the site to carry out marking and mapping, get the specific size of the damaged part, and determine the size of the panel according to the specific size of the damaged part;

[0039] S2: Design the panel according to the panel size data determined on site, and process the shape, threaded hole, pin hole and groove of the panel;

[0040] S3: Enter the site again, draw a line on the damaged part of the original damaged brake disc according to the size and shape of the panel, and perform cutting, plane processing, bevel processing and inspection according to the drawn part to ensure the panel and the brake disc. The flatness and verticality of the base metal butt joint, and ensure that the mating state is transition fit after the panel is inserted into the base material of the brake disc;

[0041] S4: Use a fixture to fix and position the panel and the base material of the bra...

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Abstract

The invention relates to the technical field of brake disc repair, and discloses a fan brake disc in-cabin repair method and a fan brake disc in-cabin repair structure, the specific size of a damaged part is obtained by entering a site for scribing and surveying and mapping, and the size of a panel is determined according to the specific size of the damaged part; the panels are designed according to panel size data determined on site, and the shapes, threaded holes, pin holes and grooves of the panels are machined; the brake disc enters the site again, the damaged part of the original damaged brake disc is marked according to the size and appearance of the panel, and cutting, plane machining, groove machining and detection are conducted according to the marked part; a panel, a bolt, a pin and a welding assisting mode are adopted for repairing, namely, a main rigid body framework is constructed by adopting the shearing resistance and the tensile resistance of the pin and the high-strength bolt and local friction force formed by the clamping force of the high-strength bolt, a welding seam strength assisting mode is adopted, Q345 is selected as the panel material, the tensile strength is 490 MPA to 62OMPA, the tensile strength meets or even exceeds the tensile strength of base metal, and the service life of the panel is prolonged. The toughness is far better than that of base metal.

Description

technical field [0001] The invention relates to the technical field of brake disc repair, in particular to a repair method and structure in a fan brake disc cabin. Background technique [0002] my country is rich in wind energy resources, and the wind energy reserves that can be developed and utilized are about 1 billion kW, of which, the wind energy reserves on land are about 253 million kW (calculated from the data at a height of 10m above the ground), and the wind energy reserves that can be developed and utilized offshore are about 750 million kW. A total of 1 billion kW. By the end of 2003, the national installed capacity of electricity was about 567 million kW. [0003] The unit used in Baozhongshan Wind Farm is XEMC-112 / 116 unit. The size of the damaged part of the brake disc of this unit is 550mm (circumferential) * 430mm (radial). The brake disc at this part is missing after being broken. The inspection and surveying and mapping after the disc is damaged, the on-si...

Claims

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Application Information

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IPC IPC(8): B23P6/04
CPCB23P6/04Y02B10/30
Inventor 张俊邵猛刘振刘伟华范畴广
Owner 湖南高创新能源智慧运维有限公司
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