Built-in type building settlement observation nail

A subsidence observation and adduction-type technology, which is applied in the directions of measuring devices, surveying and navigation, height/horizontal measurement, etc., can solve problems such as limited length of measuring nails, influence of data accuracy, and damage of measuring nails, so as to eliminate errors and achieve accurate Data, to avoid artificial damage or deformation effect

Pending Publication Date: 2018-01-23
ANHUI UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

In the existing building settlement measurement, an L-shaped measuring nail is often driven into the wall and column as the measuring point for measurement. However, the length of this measuring nail is limited, and there is more space for erecting the leveling rod after being driven into the wall. Small, it will be difficult to measure the ruler, which will have a great impact on the accuracy of the obtained data
Mo

Method used

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  • Built-in type building settlement observation nail
  • Built-in type building settlement observation nail
  • Built-in type building settlement observation nail

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Embodiment Construction

[0015] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] see figure 1 , figure 2 , image 3 As shown, the present invention is a retractable building settlement observation nail, which includes a sleeve 1 and a guide rod 2 that can slide inside it. Slide guide rod 2 is fixed by set screw 4. The outer wall of the sleeve 1 has a scale line 3 cm away from the barrel mouth, which is convenient for determining the embedding depth; the inner wall is coated with a layer of lubricating liquid, which can effectively reduce the friction of the guide rod 2 moving therein. On the inner wall of the sleeve 1, four concave guide grooves 5 are equidistantly distributed, and the guide grooves stop at 3 cm from the opening of the sleeve 1. The bottom of the guide rod 2 is equidistantly distributed with four grooves embedded in the concave guide grooves 5. The fixed block 9 is connected with...

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Abstract

The invention discloses a built-in type building settlement observation nail. The built-in type building settlement observation nail comprises a sleeve, a guide rod and an built-in measuring nail, wherein the sleeve is a semi-closed structure, the guide rod can slide inside the sleeve, and the built-in measuring nail is accommodated in a C-shaped groove in the middle portion of the guide rod. After the built-in building settlement observation nail is inserted into a wall and a column to reach a scale line, and the length of a portion remaining outside the wall and the column is only 3cm, so that the observation nail can be effectively prevented from being manually damaged or deformed. When in measurement, the built-in measuring nail can be withdrawn from the sleeve, so that the measuring nail is ensured to have sufficient length to provide a large space for setting a leveling rod, thereby eliminating errors generated in the measuring process, and obtaining accurate data.

Description

technical field [0001] The invention relates to the field of building measurement, in particular to an inward-facing building settlement observation nail. Background technique [0002] In high-rise building engineering, with the increase of upper floors, building settlement deformation begins to develop gradually, which requires long-term and accurate monitoring of building settlement to ensure the safety of high-rise buildings. In the existing building settlement measurement, an L-shaped measuring nail is often driven into the wall and column as the measuring point for measurement. However, the length of this measuring nail is limited, and there is more space for erecting the leveling rod after being driven into the wall. Small, it will be difficult to measure the ruler, which will have a great impact on the accuracy of the obtained data. Moreover, the environment of the construction site is relatively complex, and the construction personnel have insufficient understanding...

Claims

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Application Information

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IPC IPC(8): G01C5/00
Inventor 潘天明
Owner ANHUI UNIV OF SCI & TECH
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