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Method and device for measuring diameter through cantilever beam sensor and coding lead screw

A technology of sensors and cantilever beams, applied in electromagnetic measuring devices, electric/magnetic diameter measurement, etc.

Active Publication Date: 2019-12-31
ZHEJIANG IND POLYTECHNIC COLLEGE
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  • Abstract
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  • Claims
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Problems solved by technology

For these large-scale measurements, the existing resistance strain diameter measurement method is not satisfactory

Method used

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  • Method and device for measuring diameter through cantilever beam sensor and coding lead screw
  • Method and device for measuring diameter through cantilever beam sensor and coding lead screw
  • Method and device for measuring diameter through cantilever beam sensor and coding lead screw

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Embodiment Construction

[0068] Below in conjunction with accompanying drawing this design is described further.

[0069] refer to Figure 1-Figure 6 , this design is a method and device for measuring diameter with a cantilever beam sensor and a coding screw, including a measuring host ZJ, an auxiliary positioning mechanism FJ, a standard (D 1 ,D 2 ,...,D n ), positioning block DK, DUT 10 and data acquisition-analysis-processing unit six parts. The main measuring device ZJ and the auxiliary positioning mechanism FJ form the basic measuring device, and the basic measuring device and the standard (D 1 ,D 2 ,...,D n), the positioning block DK, the DUT 10 and the data acquisition-analysis-processing unit form the measurement system.

[0070] The measuring host ZJ consists of a base 1, an encoding screw and a double cantilever beam sensor. The structure of the base 1 includes a bottom plate B, a guide rail 22 on the lower part of the bottom plate B, and a left bearing support plate B fixed on the up...

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Abstract

The invention discloses a method and a device for measuring the diameter through a cantilever beam sensor and a coding lead screw. The device comprises a measurement host, an auxiliary positioning mechanism, a standard, a positioning block, a tested piece and a data acquisition-analysis-processing unit. The measurement host is composed of a base, a coding lead screw and a double-cantilever beam sensor. The coding lead screw is composed of a transmission lead screw and a three-state coder. The three-state coder is composed of a fluted disc and four pairs of cantilever beam sensors. The double-cantilever beam sensor is composed of a fixed cantilever beam sensor and a movable cantilever beam sensor. And system calibration, data analysis and error correction software is arranged in the data acquisition-analysis-processing unit. During measurement, the double-cantilever beam sensor clamps the tested piece and is matched with the coding lead screw to transmit a measurement signal to the dataacquisition-analysis-processing unit, and the data acquisition-analysis-processing unit gives a diameter value of the tested piece.

Description

technical field [0001] This design provides a method and device for measuring diameter with a cantilever beam sensor and a coding screw rod, which is used for the diameter measurement of circular cross-section samples in material mechanical performance tests and the diameter measurement of circular cross-section shaft parts in the industrial field. It belongs to sensors, mechanics Test technology and mechanical measurement technology field. Background technique [0002] Double cantilever beam diameter measuring instrument [1,2] It is a resistance strain measuring instrument with a resolution of less than 0.002 mm. It can measure the diameter of material tensile samples and other similar circular shaft parts with equal cross-section. The measurement accuracy is not affected by manual operation factors. It is suitable for Connect with data processor. However, the range of this instrument is generally below 2 mm, because the measurement range of the resistance strain sensor i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/12
CPCG01B7/12
Inventor 胡晓东鲁阳
Owner ZHEJIANG IND POLYTECHNIC COLLEGE
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