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Centering weighing device and weighing method

A weighing device and weighing disc technology, applied in the field of metrology, can solve the problems of reducing the weighing accuracy and stability of the piece to be tested, and the eccentric load error, so as to increase the accuracy and stability, reduce the eccentric load error, Reduce the effect of excessive deflection

Active Publication Date: 2019-03-15
SHANGHAI INST OF MEASUREMENT & TESTING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user places the piece to be tested on the weighing pan, the center of the piece to be tested is difficult to be at the same position as the center of the weighing pan, which causes an eccentric load error, thereby reducing the accuracy and accuracy of the weighing of the piece to be tested. stability

Method used

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  • Centering weighing device and weighing method
  • Centering weighing device and weighing method
  • Centering weighing device and weighing method

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Embodiment Construction

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0039] In order to keep the drawings concise, each drawing only schematically shows the parts related to the invention, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one".

[0040]According to an em...

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Abstract

The invention discloses a centering weighing device and a weighing method, and relates to the field of metering. The centering weighing device comprises a base, a supporting structure and a loading frame, a centering assembly is arranged on the base, a weighing disc for weighing a part to be detected is arranged on the centering assembly, and the centering assembly is used for adjusting the included angle between the weighing disc and the base. The supporting structure is arranged on the weighing disc, a supporting clearance is formed in the supporting structure, and the width of the supporting clearance is smaller than that of the part to be detected. The loading frame is detachably connected to the base, and the loading frame comprises a loading table for supporting the part to be detected. When the loading frame is arranged on the base, the loading table is arranged in the supporting clearance, and the distance between the side, away from the base, of the loading table and the baseis smaller than the distance between the side, away from the base, of the supporting structure and the base. The probability that the part to be detected generates unbalance loading errors is reduced,and the accuracy and stability of weighing the part to be detected are improved.

Description

technical field [0001] The invention relates to the field of measurement, in particular to a centering weighing device and a weighing method. Background technique [0002] The mass comparator is an electronic measuring device based on the principle of measuring the deformation and strain of elastic elements, or the principle of electromagnetic force feedback balance. Its main purpose is to measure the mass difference based on the ABA or ABBA cycle method, and it is used for high-resolution electronic measuring equipment for weight transfer or other special purposes for testing. [0003] At present, the eccentric load error is an urgent problem to be solved in the field of metrology. The eccentric load error refers to the error caused by the center of gravity of the weight deviating from the center of the weighing pan of the mass comparator. When the user places the piece to be tested on the weighing pan, the center of the piece to be tested is difficult to be at the same po...

Claims

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Application Information

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IPC IPC(8): G01G21/22
CPCG01G21/22
Inventor 熊忠琪余培英苏祎程丽苑陈平刘佳鑫
Owner SHANGHAI INST OF MEASUREMENT & TESTING TECH
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