Coal machine part repairing and strengthening method

Abstract

The invention belongs to the field of additive manufacturing and repairing, and particularly relates to a coal machine part repairing and strengthening method. The method comprises the steps of problem diagnosis, repairing and strengthening and integration repairing, by integrating the situation that different parts are prone to being damaged in the coal machine production process, the problems ofthe damaged parts can be rapidly determined, meanwhile, an effective repairing and strengthening scheme is formulated, batched integrated repairing and strengthening are conducted according to the part type, the damage condition and the repairing and strengthening operation steps, machine operation is adopted in the whole process, the repairing and strengthening efficiency is improved, the repairing and strengthening period is controllable, the part performance is effectively improved, and meanwhile the repairing efficiency of the coal machine parts is effectively improved.

Description

technical field [0001] The invention relates to the technical field of additive manufacturing and repairing, in particular to a method for repairing and strengthening coal machine parts. Background technique [0002] The coal mining industry uses large-scale machinery and equipment to operate, and the parts and components of the equipment are severely worn. The types of equipment involved include construction machinery, transportation equipment, coal machine parts, support equipment, tunneling parts, coal mining parts, etc., of which coal machine parts and tunneling Components are more likely to be damaged due to their high frequency of use. For example, in the actual production process of gear components, seal failures accounted for 57%, bearing failures accounted for 22%, and static connection failures accounted for 9%. It has a great impact on production, and has high requirements for the performance of equipment parts. In the prior art, the maintenance method of damaged ...

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Problems solved by technology

[0002] The coal mining industry uses large-scale machinery and equipment to operate, and the parts and components of the equipment are severely worn. The types of equipment involved include construction machinery, transportation equipment, coal machine parts, support equipment, tunneling parts, coal mining parts, etc., of which coal machine parts and tunneling Components are more likely to be damaged due to their high frequency of use. For example, in the actual production process of gear components, seal failures accounted for 57%, bearing failures accounted for 22%, and static connection failures accounted for 9%. It has a great impact on production, and has high requirements for the performance of equipment parts. In the prior art, the maintenance method of damaged coal machine parts is mostly adopted by surfacing welding, such as the technical solution mentioned in the prior art CN201810915280.4 After restoring the integrity of the parts, they will be put into production. Most of the maintenance of single parts is done manually. The maintenance of coal machine parts in this way is low in efficiency. One piece at a time, and the repaired parts are put into use again The final strength remains at the original level or has a certain decline, which will easily lead to quality and safety problems in use. Multiple repair methods for different parts require multiple technicians or complex equipment for specific repairs, resulting in high time and labor costs. high

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