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Method of for measuring length by rotating measuring ruler

A technology of length measurement and measuring ruler, applied in the field of measurement tools, can solve the problems of inability to measure the length of the surface of the curved surface, the length of the ruler itself with limited maximum length, etc., to achieve the effect of improving convenience, reducing fatigue, and simplifying measurement steps

Inactive Publication Date: 2018-07-31
SICHUAN XINGZHI ZHIHUI INTPROP OPERATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for measuring length by rotating the measuring ruler, which solves the problem that the maximum length that can be measured by the existing size measuring method is limited by the length of the ruler itself; The method can only measure the distance between two points, but cannot measure the surface length of the curved surface.

Method used

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  • Method of for measuring length by rotating measuring ruler
  • Method of for measuring length by rotating measuring ruler
  • Method of for measuring length by rotating measuring ruler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] like Figure 1-Figure 4 Shown, the present invention carries out the method for length measurement by rotating measuring ruler, comprises the steps:

[0037] Step A: Point-to-point: hold the component in hand, touch the measuring disc 1 to the curved surface to be measured, and make the point on the circumference of the measuring disc 1 corresponding to the 0 scale line on the scale line 4 correspond to the point to be measured on the curved surface. starting point contact;

[0038] Step B start: start the recording system, so that each electronic device in the recording system is in working condition;

[0039] Step C measurement: then push the holding assembly forward, the measuring disk 1 can rotate around its own axis, so that the measuring disk 1 rotates along the curved surface, and the recording system collects the rotation data of the measuring disk 1 while pushing the holding assembly forward. Number of turns n, and display it on the screen inside the recordin...

Embodiment 2

[0055] This embodiment is based on Embodiment 1 to further illustrate the present invention.

[0056] like image 3 Shown, the present invention carries out the method for measuring length by rotating the measuring ruler, and measures with measuring disk 1 image 3 When measuring the length of the curved surface from point A to point B on the curved surface 10, hold the holding assembly with your hand, and put the measuring disc 1 in contact with the curved surface, and make the circumference of the measuring disc 1 correspond to the 0 scale line on the scale line 4 The point is in contact with the starting point A on the curved surface, and then the holding assembly is pushed forward, and the measuring disc 1 can rotate around the axis of the support shaft 2, so that the measuring disc 1 rotates along the curved surface until the measuring disc 1 is in contact with the end point B, and record the scale number c corresponding to point B on the scale line 4 at this time ( im...

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Abstract

The invention discloses a method for measuring length by rotating a measuring ruler. The method includes the following steps that: step A, a holding assembly is hold, a measuring disc is made to contact with a curved surface to be measured, and a point on the circumference of the measuring disc, which is corresponding to a 0 scale line on scale lines, is made to contact with a starting point requiring measurement on the curved surface; step B, a recording system is started; step C, the holding assembly is pushed to move forward, the measuring disc rotates along the curved surface, the recording system acquires the number n of the turns of the rotation of the measuring disc, and displays the number n of the turns of the rotation of the measuring disc on a screen in the recording system, after measurement is completed, a scale value c on the scale lines which is corresponding to an end point requiring measurement on the curved surface, is recorded; and step D, a distance L between the starting point and end point on the curved surface is calculated according to an equation that L=sn+c. With the method of the invention adopted, when the length of the curved surface is measured, the scale lines of the measuring disc can be rolled along the curved surface, and therefore, the length of the curved surface can be accurately and conveniently measured.

Description

technical field [0001] The invention relates to a measuring tool, in particular to a method for measuring length by rotating a measuring ruler. Background technique [0002] Measurement is to use data to describe the observed phenomenon according to a certain law, that is, to make a quantitative description of things. Measurement is the process of quantifying non-quantified objects. In mechanical engineering, measurement refers to the experimental cognition process of comparing the measured value with a standard quantity with a unit of measurement in order to determine the ratio between the two. [0003] Measuring tools are usually divided into three categories: general measuring tools, specialized measuring tools and special measuring tools. [0004] Measuring tools can also be divided into mechanical, optical, pneumatic, electric and photoelectric types according to their working principles. This taxonomy is shaped by the history of the development of measurement tools....

Claims

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Application Information

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IPC IPC(8): G01B5/02
Inventor 谭逢林
Owner SICHUAN XINGZHI ZHIHUI INTPROP OPERATION CO LTD