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A Method for Correcting Scraper Error

A technology of error correction and scraper, applied in the direction of manufacturing tools, mechanical gap measurement, workpiece clamping device, etc., can solve problems such as low efficiency and complicated operation, save time, simplify scraper correction process, and improve scraper The effect of correcting efficiency

Active Publication Date: 2020-08-07
CHINA AVIATION OIL CO LTD ZHEJIANG BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The graphite scraper needs to be continuously disassembled and measured during the adjustment process, which is complicated to operate and low in efficiency

Method used

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  • A Method for Correcting Scraper Error
  • A Method for Correcting Scraper Error
  • A Method for Correcting Scraper Error

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] The principles and features of the present invention are described below, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0029] 1) Graphite scraper

[0030] like Figure 7 Shown is the graphite scraper 16 in the prior art flowmeter, the upper scraper 161 and the lower scraper 166 are connected by a left connecting rod 1652 and a right connecting rod 1651, and both ends of each connecting rod are horizontally fixed with U-shaped pins 162 and a compression spring 163 is sleeved between the U-shaped pin 162 and the upper scraper 161 or the lower scraper 166 . When the graphite scraper 16 works in the flowmeter, the upper end surface of the upper scraper 161 and the lower end surface of the lower scraper 166 are close to the inner wall of the flowmeter cavity. The upper scraper 161 and the lower scraper 166 are made of graphite material, which will be worn during operation, so the ...

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Abstract

The invention relates to an error correcting method of a scraping plate. The error correcting method of the scraping plate comprises the following steps that 1, a standard size range of the distance between an upper end face and a lower end face of a graphite scraping plate is acquired; 2, the graphite scraping plate is fixed; 3, the error of the graphite scraping plate is corrected; and 4, the graphite scraping plate is taken down. According to the error correcting method of the scraping plate, an existing scraping plate correcting process is simplified, the graphite scraping plate does not need to be disassembled repeatedly, the time for correcting the scraping plate is saved, and the correcting efficiency of the scraping plate is greatly improved.

Description

technical field [0001] The invention relates to the field of flowmeter scrapers, in particular to a scraper error correction method. Background technique [0002] Graphite scraper flowmeter is a kind of positive displacement flowmeter. When the measured fluid flows into the flowmeter from the inlet of the flowmeter, a pressure difference is generated between the inlet and outlet of the flowmeter, and the pressure difference pushes the scraper and the rotor to rotate. . A certain amount of fluid is discharged every time the rotor rotates, and the instantaneous flow and cumulative flow are obtained by calculating the number of rotations of the rotor. [0003] The graphite scraper rotor rotates in the cavity of the flowmeter, and there is a small gap between the end face of the graphite scraper and the inner wall of the cavity. If the gap is too small, the graphite scraper will scrape against the inner wall of the chamber. If the gap is too large, the counter cannot count nor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B11/00G01B5/14
CPCB25B11/00G01B5/14
Inventor 袁志民
Owner CHINA AVIATION OIL CO LTD ZHEJIANG BRANCH
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