High-precision height measuring ruler for measuring height of monitoring instrument and using method
A monitoring instrument and high-precision technology, applied in the field of length measurement equipment, can solve the problems of measurement error, large measurement error of the monitor, etc.
Pending Publication Date: 2020-07-07
GUIZHOU ELECTRIC POWER DESIGN INST
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Problems solved by technology
[0002] Existing monitors have the problem of large measurement errors, because the monitor needs to measure the distance from the height measuring point 101 of the observation pier 1 to the height measuring point 3 of the monitoring instrument before measuring, and the height measuring point 101 measures the height The distance of point 3 is usually measured with a general tape measure or ruler, but since the height measuring point 101 of the observation pier 1 and the height measuring point 3 are not located in the same vertical plane, there is a protrusion 2 between the two, use a tape measure or a ruler The measurement will make the distance between the height-measuring point 101 of the observation pier 1 and the height-measuring point 3 take a slanted line, which is larger than the vertical distance between the height-measuring point 101 of the observation pier 1 and the height-measuring point 3, resulting in measurement error
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Embodiment 1
[0041] Example 1: Reference Figure 1 to Figure 3 , a high-precision altimeter for monitoring the height of an instrument, comprising: a main ruler 401; a vernier 402, the vernier 402 is slidably installed on the main ruler 401, and the vernier 402 is fixedly connected to a measuring pointer 403; the main ruler 401 The zero point is at the end of the main chi 401 .
[0042] In the present invention, by setting the zero point at the end of the main ruler 401, the zero point of the main ruler 401 is placed on the height measuring point 101 of the observation pier 1, and the main ruler is perpendicular to the upper surface of the observation pier 1, and at the same time, the measuring pointer 403 is used to approach the zero point The end face of the measuring point is aligned with the height measuring point, and the measuring pointer 403 is closer to the measuring height point, so that the end face of the vernier close to the zero point is aligned more accurately, thereby accura...
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The invention discloses a high-precision height measuring ruler for measuring the height of a monitoring instrument. The high-precision height measuring ruler comprises a main ruler and a vernier, wherein the vernier is installed on the main ruler in a sliding mode, and a measuring pointer is fixedly connected to the vernier; and the zero point of the main ruler is at the end part of the main ruler. The problem that the distance between a base and a height measuring point is usually an oblique line in the prior art, the oblique line is greater than the vertical direction distance between the base and the height measuring point, and consequently the measuring error of the monitoring instrument is large is solved.
Description
technical field [0001] The invention relates to the technical field of length measuring equipment, in particular to a high-precision height measuring ruler for monitoring the height of an instrument and a use method thereof. Background technique [0002] Existing monitors have the problem of large measurement errors, because the monitor needs to measure the distance from the height measuring point 101 of the observation pier 1 to the height measuring point 3 of the monitoring instrument before measuring, and the height measuring point 101 measures the height The distance of point 3 is usually measured with a general tape measure or ruler, but since the height measuring point 101 of the observation pier 1 and the height measuring point 3 are not located in the same vertical plane, there is a protrusion 2 between the two, use a tape measure or a ruler The measurement will make the distance between the height-measuring point 101 of the observation pier 1 and the height-measurin...
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IPC IPC(8): G01B5/06G01B3/20
CPCG01B3/20G01B5/061
Inventor 张雷徐静唐锡彬程伟皇建何林杨乾欧茹坪王得洪
Owner GUIZHOU ELECTRIC POWER DESIGN INST