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Level gauge for determining microdeflection

A level and subtle technology, applied in the direction of measuring inclination, instruments, measuring devices, etc., can solve the problem of difficulty in reading the measured value accurately, and achieve the effect of shortening operation time, improving work efficiency and accurate measurement

Inactive Publication Date: 2004-10-06
林承珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the shape of the deflection measuring instrument is spherical, the distance that the air bubbles in the above-mentioned deflection measuring instrument flow along the inner surface of the sphere will be shorter than the distance of the air bubbles flowing on the plane. Obliquely speaking, there is a problem that it is difficult to read the measured value accurately

Method used

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  • Level gauge for determining microdeflection
  • Level gauge for determining microdeflection
  • Level gauge for determining microdeflection

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Embodiment Construction

[0019] In conjunction with the accompanying drawings, the level instrument capable of measuring subtle deflection of the present invention is described in detail as follows; figure 1 As shown, in the present invention, the level instrument capable of measuring slight deflection is composed of the following parts: a shelf 10 with a fixed length and a cross-section; Keep the base 20 combined in parallel; a through hole 21 with a certain diameter is formed in the central part of the base 20 , and an abutting cavity 22 is formed centering on the through hole 21 . The inner surface of the above-mentioned tight cavity 22 is deflected, and a plurality of stoppers 23 are formed at the deflected parts of the above-mentioned close cavity 22 . The blocking gears 23 form 36 blocking gears at intervals of 10°.

[0020] A clamp shaft 31 and a truncated conical rotating plate 30 are inserted into the through hole 21 of the base 20 . The above-mentioned truncated conical rotating plate 30 ...

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Abstract

To precisely measure minute inclination of a measuring object and obtain a precise measured inclination value. A level comprises a rod member, a base member coupled and fixed to the rod member in parallel, a circular rotating disk which rotates on the base member, an elastic member for making the rotating disk closely adhere onto the base member with a specified elastic force, a bolt member for supporting the elastic member, and an inclination instrument which is provided on one side surface of the rotating disk, is formed so as to be in a flat or a semispherical shape on one side, and have a larger radius of curvature and be approximately flat on the other side, and has a scale indicated at uniform intervals on its outer peripheral surface.

Description

technical field [0001] The present invention relates to a level instrument, specifically a level instrument for measuring left and right / vertical states that can simultaneously measure left and right, vertical and horizontal states, and can measure deflection angles, and can also measure accurate angles of subtle deflection . Background technique [0002] Usually, in civil engineering and construction sites, measuring the horizontal state and vertical state, as well as measuring the horizontal position from any point to a long distance, and the vertical position from any point to a long distance are basic operations process, as the basic means of these determinations, commonly used levels such as Figure 5a shown. When measuring the horizontal state at the construction site, air bubbles are filled in the sealed tube 100 sealed with liquid, and when the air bubble 200 is in the center of the tube, it can be confirmed that the state is horizontal. [0003] The above-mentione...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C9/00G01C9/02G01C9/18G01C9/28G01C9/32G01C9/36
CPCG01C9/28G01C9/36
Inventor 林承珍
Owner 林承珍