CN-122022644-A - Nuclear power plant storage material acceptance method and device

CN122022644ACN 122022644 ACN122022644 ACN 122022644ACN-122022644-A

Abstract

The invention relates to a method and a device for checking and accepting storage materials in a nuclear power plant. S1, scanning standard spare parts which are put into storage for the first time through a 3D scanner to obtain a three-dimensional nominal model. S2, comparing and analyzing the three-dimensional nominal model with a to-be-checked three-dimensional model which is obtained by scanning a spare part which is not first to be put in storage and has the same model as the standard spare part through a 3D scanner, and displaying the parts of the three-dimensional nominal model and the to-be-checked three-dimensional model within tolerance and out of tolerance and the comparison and analysis results out of range in a three-dimensional deviation chromatogram mode. And S3, judging whether the three-dimensional model to be checked is qualified according to the part exceeding the tolerance or the exceeding range, and further determining whether spare parts of the same model as the standard spare parts are qualified. The invention can more intuitively draw the condition of the difference part through visual display, provides scientific and effective basis for spare part quality identification, and remarkably improves acceptance efficiency, acceptance cooperativity and result reliability.

Inventors

YE CHUNMING
LI CHANGHONG
Cui Zhihu
JU HUAFENG

Assignees

阳江核电有限公司

Dates

Publication Date: 20260512
Application Date: 20260112

Claims (10)

1. A method for checking and accepting storage materials of a nuclear power plant, which is characterized by comprising the following steps: s1, scanning standard spare parts which are put into storage for the first time through a 3D scanner to obtain a three-dimensional nominal model; S2, comparing and analyzing the three-dimensional nominal model with a to-be-inspected three-dimensional model which is obtained by scanning a spare part which is not first to be put in storage and has the same model as a standard spare part through a 3D scanner, and displaying the parts of the three-dimensional nominal model and the to-be-inspected three-dimensional model within tolerance and out of tolerance and the out-of-range comparison and analysis results in a three-dimensional deviation chromatogram mode; and S3, judging whether the three-dimensional model to be checked is qualified according to the part exceeding the tolerance or the exceeding range, and further determining whether spare parts of the same model as the standard spare parts are qualified.
2. The method for checking and accepting storage materials of a nuclear power plant according to claim 1, wherein the step S1 includes: Scanning the standard spare parts which are put into storage for the first time through a 3D scanner to obtain a three-dimensional nominal model, measuring various characteristic parameters of the standard spare parts by using CAD perception measurement and GD & T technology, and marking the characteristic parameters on the three-dimensional nominal model.
3. The method of claim 2, wherein the characteristic parameters comprise a plurality of data of length, angle, radius, ellipse size, hole depth, counterbore diameter, flatness, roundness, cylindricity, parallelism, perpendicularity, angle, position, concentricity, symmetry, linearity.
4. The method of claim 1, wherein step S2 includes: coordinate alignment is carried out on the three-dimensional nominal model and the three-dimensional model to be checked so as to establish a unified comparison standard; Calculating the nearest distance between each point or triangular patch on the three-dimensional model to be checked and the surface of the three-dimensional nominal model, and generating a comprehensive deviation data set; And converting the deviation data set into a three-dimensional deviation chromatogram, and outputting key indexes of maximum deviation and minimum deviation in a report form.
5. The method for checking and accepting stored materials in a nuclear power plant according to claim 4, wherein, in step S2, If the deviation data is larger than the allowable error threshold, judging that the deviation data is out of range; if the deviation data is larger than the tolerance upper limit, judging a part which is out of tolerance; Wherein the tolerance is the whole interval showing the color, and the allowable error threshold is smaller than the upper tolerance limit; The step S3 comprises the following steps: if the three-dimensional deviation chromatogram is out of range and/or out of tolerance, judging that spare parts of the same type as the standard spare parts are unqualified; And if the three-dimensional deviation chromatogram only has the part within the tolerance, judging that the spare parts of the same model as the standard spare parts are qualified.
6. The method for checking and accepting storage materials of a nuclear power plant according to claim 1, characterized in that the method further comprises: and performing qualification verification on spare parts of different batches of the same type by comparing historical scanning data obtained by scanning at two adjacent time points.
7. The method for checking and accepting stored materials in a nuclear power plant according to claim 6, wherein the step of verifying the eligibility of the spare parts of different batches of the same type by comparing the historical scan data obtained by scanning at two adjacent time points before and after, comprises: The method comprises the steps of searching historical scanning data files of the spare parts of the model stored in a database through product names, models, material codes or characteristic point information of the scanned spare parts, comparing the historical scanning data files of the adjacent two time points before and after, and outputting an analysis report, wherein the analysis report is used for displaying various mechanical deviation data conditions of the spare parts of different batches of the same model, comprises a three-dimensional deviation chromatogram, a data table and a three-dimensional label, and the data table comprises characteristic parameter reference values, actual measurement values, deviation and qualified states.
8. The method for checking and accepting storage materials of a nuclear power plant according to claim 1, characterized in that the method further comprises: And carrying out optimized machining or optimized machining prompt on the parts corresponding to the spare parts according to the three-dimensional deviation chromatogram for the spare parts judged to be unqualified.
9. A nuclear power plant storage material acceptance device, characterized by comprising: The three-dimensional nominal model building unit is used for scanning the standard spare parts which are put into storage for the first time through the 3D scanner to obtain a three-dimensional nominal model; The model comparison unit is used for carrying out comparison analysis on the three-dimensional nominal model and a to-be-inspected three-dimensional model which is not first to be put in storage and is the same with the standard spare part in model and is obtained by scanning the spare part through a 3D scanner, and displaying the parts of the three-dimensional nominal model and the to-be-inspected three-dimensional model within tolerance and exceeding the tolerance and the comparison analysis results exceeding the range in a three-dimensional deviation chromatogram form; and the acceptance judging unit is used for judging whether the three-dimensional model to be accepted is qualified according to the part exceeding the tolerance or the exceeding range, and further determining whether the spare parts of the same model as the standard spare parts are qualified.
10. The nuclear power plant storage material acceptance apparatus of claim 9, wherein the model comparison unit is configured to: coordinate alignment is carried out on the three-dimensional nominal model and the three-dimensional model to be checked so as to establish a unified comparison standard; Calculating the nearest distance between each point or triangular patch on the three-dimensional model to be checked and the surface of the three-dimensional nominal model, and generating a comprehensive deviation data set; And converting the deviation data set into a three-dimensional deviation chromatogram, and outputting key indexes of maximum deviation and minimum deviation in a report form.

Description

Nuclear power plant storage material acceptance method and device Technical Field The invention relates to the technical field of nuclear power storage, in particular to a method and a device for checking and accepting storage materials of a nuclear power plant. Background The nuclear power spare parts are numerous, tens of thousands of stored spare parts are arranged in the same warehouse, the types of the spare parts are inconsistent, the sizes of the spare parts are not uniform, whether the spare parts in the warehouse are qualified or not can not be realized in a manual screening mode, and the problem of how to rapidly and accurately check and accept the spare parts in the warehouse is solved. Disclosure of Invention The invention aims to solve the technical problem of providing a method and a device for checking and accepting storage materials of a nuclear power plant. The technical scheme adopted for solving the technical problems is that the method for checking and accepting the storage materials of the nuclear power plant comprises the following steps: s1, scanning standard spare parts which are put into storage for the first time through a 3D scanner to obtain a three-dimensional nominal model; S2, comparing and analyzing the three-dimensional nominal model with a to-be-inspected three-dimensional model which is obtained by scanning a spare part which is not first to be put in storage and has the same model as a standard spare part through a 3D scanner, and displaying the parts of the three-dimensional nominal model and the to-be-inspected three-dimensional model within tolerance and out of tolerance and the out-of-range comparison and analysis results in a three-dimensional deviation chromatogram mode; and S3, judging whether the three-dimensional model to be checked is qualified according to the part exceeding the tolerance or the exceeding range, and further determining whether spare parts of the same model as the standard spare parts are qualified. Further, in the method for checking and accepting storage materials in a nuclear power plant according to the present invention, step S1 includes: Scanning the standard spare parts which are put into storage for the first time through a 3D scanner to obtain a three-dimensional nominal model, measuring various characteristic parameters of the standard spare parts by using CAD perception measurement and GD & T technology, and marking the characteristic parameters on the three-dimensional nominal model. Further, in the method for checking and accepting the storage materials of the nuclear power plant, each characteristic parameter comprises a plurality of data of length, angle, radius, ellipse size, hole depth, counterbore diameter, flatness, roundness, cylindricity, parallelism, verticality, angle, position, concentricity, symmetry and linearity. Further, in the method for checking and accepting storage materials in a nuclear power plant according to the present invention, step S2 includes: coordinate alignment is carried out on the three-dimensional nominal model and the three-dimensional model to be checked so as to establish a unified comparison standard; Calculating the nearest distance between each point or triangular patch on the three-dimensional model to be checked and the surface of the three-dimensional nominal model, and generating a comprehensive deviation data set; And converting the deviation data set into a three-dimensional deviation chromatogram, and outputting key indexes of maximum deviation and minimum deviation in a report form. In the method for checking and accepting the storage materials of the nuclear power plant, in the step S2, if the deviation data is larger than the allowable error threshold, the deviation data is judged to be out of range, and if the deviation data is larger than the upper tolerance limit, the deviation data is judged to be out of tolerance, wherein the tolerance is all the intervals showing colors, and the allowable error threshold is smaller than the upper tolerance limit; The step S3 comprises the following steps: if the three-dimensional deviation chromatogram is out of range and/or out of tolerance, judging that spare parts of the same type as the standard spare parts are unqualified; And if the three-dimensional deviation chromatogram only has the part within the tolerance, judging that the spare parts of the same model as the standard spare parts are qualified. Further, in the method for checking and accepting the storage materials of the nuclear power plant, the method further comprises the following steps: and performing qualification verification on spare parts of different batches of the same type by comparing historical scanning data obtained by scanning at two adjacent time points. Further, in the method for checking and accepting warehouse supplies of a nuclear power plant according to the present invention, the step of verifying the eligibility of spare parts of different batches of the same