A measuring method for centrifuge track installation
A measurement method, centrifuge technology, applied in the direction of measuring device, measuring inclination, height/horizontal measurement, etc., can solve the problems of error, poor stability, and unequal two tracks, and achieve the improvement of measurement accuracy, increase of stability, and guarantee The effect of pass rate
Active Publication Date: 2022-04-26
XINXING DUCTILE IRON PIPES CO LTD
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Problems solved by technology
[0002] At present, the measuring instrument used for the installation and measurement of the centrifuge track is Su Yiguang DSZ2 precision level + indium steel ruler, with an accuracy of ±0.5mm. The conventional measurement method is to use DSZ2 precision level + indium steel ruler to measure in parallel on both sides of the track. However, according to past experience, although the conventional measurement method can meet the installation accuracy requirements, there will be two problems: 1. Because the centrifuge track has a slope and one of the two tracks is a flat track, and the other is a positioning track, that is, a mountain-shaped rail. The width of the top surface of the zigzag rail is only 10mm, while the bottom width of the indium steel ruler is at least 70mm*40mm, resulting in extremely poor stability when the indium steel ruler is placed on the side measurement point of the mountain-shaped rail surface. Once the indium steel ruler is placed during the measurement process The relative position is inaccurate, even if the difference is 1mm, the two tracks will be uneven and there will be errors
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[0027] Below in conjunction with embodiment the present invention is described in further detail:
[0028] Such as Figure 1 to Figure 3 As shown, a centrifuge track installation measurement method includes the following steps:
[0029] S1. Determine the measurement point:
[0030] The centrifuge track includes a plane rail 1-1 and a mountain-shaped rail 1-2, and the plane rail 1-1 and the mountain-shaped rail 1-2 are arranged in parallel, and the plane rail 1-1 and the mountain-shaped rail 1-2 are the same Select multiple measurement points at the position;
[0031] S2, calculate the theoretical elevation of each measuring point of the plane rail 1-1:
[0032] Measure the distance between each measuring point of the plane rail 1-1 and the apex, measure the inclination of the plane rail 1-1 with an inclinometer and record it as β, and calculate the elevation of each measuring point, the calculation formula is: measure The elevation of the point = the distance between the m...
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The invention discloses a centrifuge track installation measurement method. The characteristics and advantages of the four instruments of DSZ2 precision level, indium steel ruler, cast iron level and frame level are precisely used together to successfully improve the centrifuge track installation accuracy from 0.5mm It has been raised to within 0.06mm; in the present invention, the scraping process is adopted on the working surface of the cast iron level, and the maximum allowable deviation of the roughness Ra is 2.5 microns, which also increases the stability while ensuring the smooth surface, while the accuracy level of the frame level is 0.02mm / m, the measurement accuracy can be increased to 0.02mm / m, and then the diagonal method is used to recheck the level and parallelism of the measurement points of the plane rail and the mountain-shaped rail, which ensures the accuracy of the measurement points at the same position of the mountain-shaped rail and the plane rail. Horizontal and parallel, to ensure the pass rate of centrifuge tube.
Description
technical field [0001] The invention relates to the field of centrifuge tracks, in particular to a method for installing and measuring centrifuge tracks. Background technique [0002] At present, the measuring instrument used for the installation and measurement of the centrifuge track is Su Yiguang DSZ2 precision level + indium steel ruler, with an accuracy of ±0.5mm. The conventional measurement method is to use DSZ2 precision level + indium steel ruler to measure in parallel on both sides of the track. However, according to past experience, although the conventional measurement method can meet the installation accuracy requirements, there will be two problems: 1. Because the centrifuge track has a slope and one of the two tracks is a flat track, and the other is a positioning track, that is, a mountain-shaped rail. The width of the top surface of the zigzag rail is only 10mm, while the bottom width of the indium steel ruler is at least 70mm*40mm, resulting in extremely po...
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IPC IPC(8): G01C9/00G01C5/00G01C9/24
CPCG01C9/00G01C5/00G01C9/24
Inventor 谷占明张绍斌
Owner XINXING DUCTILE IRON PIPES CO LTD