CN206269790U - A kind of measurement of the level mark with a scale with fixed structure - Google Patents

Abstract

The utility model discloses a leveling measurement mark with scales and a fixed structure, which comprises a leveling ruler, a leveling bubble and a convex mark. A connecting bolt is also arranged on the leveling rod, and the connecting bolt is used to fix the leveling rod on the wall or the inner wall of the working place. The utility model can realize the task of leveling surveying by one person, save manpower and material costs, improve the working efficiency, and reduce the inclination error of the leveling bar caused by human factors.

Description

A leveling mark with a scale and a fixed structure

technical field

The utility model relates to the field of level measuring devices, in particular to a level measuring mark with a scale and a fixed structure.

Background technique

The traditional tunnel leveling mode requires two operators, that is, one person uses the instrument, and the other person holds the leveling survey mark, and advances alternately along the tunnel mileage direction. The disadvantages of this method of operation are:

1. Due to the technical level of the operators and the image of the light conditions on site, the leveling rod is prone to tilt, which affects the measurement accuracy.

2. In view of the characteristics of high frequency of settlement measurement, long period and small height difference in the monitoring area of the tunnel, the labor cost and material cost are high, and the operation efficiency is low.

Utility model content

The purpose of this utility model is to provide a fixed structure leveling measurement mark with scales for the deficiencies in the prior art, which can realize the task of leveling measurement by a single person, save manpower and material costs, improve operation efficiency, and reduce human labor. The tilt error of the leveling rod caused by factors can solve the problems in the prior art.

The technical problem solved by the utility model can be realized by adopting the following technical solutions:

A scaled leveling measurement mark with a fixed structure, comprising a leveling rod, a leveling bubble is arranged on the top of the leveling rod, the leveling bubble is used to control the leveling rod to be in a vertical state, and a convex shape is arranged at the bottom of the leveling rod Marks, convex marks are used to connect the reference points; the leveling rod is also provided with connecting bolts, and the connecting bolts are used to fix the leveling rod on the wall or inner wall of the working place.

Further, the main body of the leveling rod is a triangular prism structure, and the triangular prism structure has a first side, a second side and three sides, and the connecting bolts are arranged on the first side, the second side and the third side. On any one side, horizontal scale divisions are marked on the other two sides of the first side, the second side and the third side.

Further, there are at least three connecting bolts, and the three connecting bolts are evenly distributed on the side of the leveling rod and located on the same straight line.

Further, there are at least three convex marks, and the three convex marks are evenly distributed on the bottom surface of the leveling rod and form an equilateral triangle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The leveling mark has an accurate leveling scale and is convenient for multi-angle observation.

2. The leveling mark is equipped with connecting parts, which can be connected with the leveling point.

3. There is a reference object for the leveling mark to ensure that the measuring mark is vertical.

4. The size of the leveling mark is reasonable, it is convenient to be fixed in the tunnel, and it saves materials.

Description of drawings

Fig. 1 is a schematic diagram of a leveling survey mark described in the present invention.

Fig. 2 is a structural diagram of the leveling survey mark described in the utility model.

Fig. 3 is the elevation view of the leveling survey mark described in the utility model.

Explanation of symbols in the figure: level bubble 1, convex mark 2, connecting bolt 3.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of scale level measurement mark with fixed structure described in the utility model includes a leveling rod, and a leveling bubble 1 is arranged on the top of the leveling rod, and the leveling bubble 1 is used for The leveling rod is controlled to be in a vertical state, and a convex mark 2 is provided at the bottom of the leveling rod, and the convex mark 2 is used to connect the reference point; a connecting bolt 3 is also provided on the leveling rod, and the connecting bolt 3 is used to connect the The leveling rod is fixed on the wall or inner wall of the work site.

Example 1

In this embodiment, the utility model is described by taking the triangular prism structure as an example. However, those skilled in the art should note that the present invention includes but not limited to triangular prism structures.

The main body of the leveling rod is a triangular prism structure, and the triangular prism structure has a first side, a second side and three sides, and the connecting bolt 3 is arranged on any one of the first side, the second side and the third side On the other two sides of the first side, the second side and the third side, there are horizontal scale divisions.

In addition, the connecting bolts 3 are provided at least three places, and the three connecting bolts 3 are evenly distributed on the side of the leveling rod, and are located on the same straight line. By adopting the above-mentioned structural design, the time when the leveling rod is connected to the wall or the inner wall is improved. stability.

It should also be pointed out that there are at least three convex marks 2, and the three convex marks 2 are evenly distributed on the bottom surface of the leveling rod, and form an equilateral triangle. Joint measurement of benchmarks.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (4)

1. a kind of band scale level survey sign with fixed structure, comprises leveling rod, is provided with leveling bubble at the top of described leveling rod, and leveling bubble is used for controlling leveling rod to be in vertical state, is provided with at the bottom of described leveling rod The convex mark is used to connect the reference point; it is characterized in that: there is also a connecting bolt on the leveling rod, and the connecting bolt is used to fix the leveling rod on the wall or the inner wall of the working place. 2. The band scale leveling mark with fixed structure according to claim 1, characterized in that: the main body of the leveling rod is a triangular prism structure, and the triangular prism structure has a first side, a second side and a third side. On the side, the connecting bolt is arranged on any one of the first side, the second side and the third side, and the other two sides of the first side, the second side and the third side are marked with horizontal scale divisions. 3. The scaled leveling mark with a fixed structure according to claim 1, characterized in that: there are at least three connecting bolts, and the three connecting bolts are evenly distributed on the side of the leveling rod, and are located on the same straight line superior. 4. The scaled leveling mark with a fixed structure according to claim 1, characterized in that: said convex mark is provided with at least three places, said three convex marks are evenly distributed on the bottom surface of the leveling rod, and constitute Equilateral triangle.