A Triangulation Method for Measuring the Height of Total Station
A technology of triangulation and total station, applied to instruments, measuring distances, measuring devices, etc., can solve the problems of expensive instruments and high cost of large-scale promotion, and achieve the effects of simple and easy-to-understand operation, cheap equipment and high measurement accuracy
Active Publication Date: 2019-02-05
GUILIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
This method has high precision, but the instrument is expensive, and the cost of large-scale promotion in engineering is high
At present, there is still no simple and low-cost total station instrument height measurement method
Method used
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Embodiment
[0015] The main tool used in this embodiment is a steel tape measure and a universal angle ruler. The measuring range of the universal angle ruler is 0°~320° for the external angle, 40°~130° for the internal angle, and the precision is 2ˊ; the measuring range of the steel tape is 2m, and the precision is higher than 0.5mm.
[0016] The specific steps are:
[0017] (1) According to figure 1 As shown, the total station is erected on the measurement control point C, and its installation, alignment and leveling process strictly abides by the regulations of the engineering measurement specification.
[0018] (2) Keep the collimation axis of the total station at the level, draw the ray from the measurement control point C with a steel tape and intersect the extension line of the collimation axis of the total station at point A, keep CA still, and then draw the ray from the measurement control point C Intersect the extension line of the collimation axis of the total station at poin...
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The invention discloses a triangulation method for measuring the height of a total station instrument. The triangulation method comprises the following steps: leading two rays from a measurement control point by virtue of a steel tap to form a plane triangle with an extension line of a collimation axis of the total station instrument through surrounding; and measuring by virtue of a universal angle meter to obtain an included angle between the two rays, directly reading the lengths of the rays, calculating the length of each side of the triangle and the degrees of opposite angles according to the cosine law, the sine law and the Pythagorean theorem, and finally accurately calculating the height of the total station instrument. The triangulation method has the beneficial effects that the calculation principle is clear, equipment required by the measurement is cheap, the operation is simple and understandable, and the measurement precision is higher than that of a slant height measurement method; the triangulation method has no special requirement on geographical environments of the measurement, and the height value of the instrument can be smoothly measured by only leading the rays from the measurement point by virtue of the steel tap; and when the precision of the steel tap is relatively high, the measured height of the total station instrument is relatively high.
Description
technical field [0001] The invention belongs to the technical field of engineering surveying and engineering application, in particular to a triangulation method for measuring the height of a total station instrument. Background technique [0002] For the total station used in triangular elevation measurement, there is a horizontal line marked on the outer wall of the instrument, which is horizontal to the center of the dial of the instrument. Most of the measurement of the height of the instrument is to directly measure the slant distance from the control point to the horizontal line marked on the instrument with a tape measure , and then deduct a certain value (about 1.5-2.0cm) based on experience and the volume of the total station ("Total station triangular elevation measurement and accuracy", Zhou Xianping, pp. 717-720, Journal of Liaoning University of Engineering Technology, 2011 October, Vol. 30, No. 5). This method is simple to operate and widely used, but the meas...
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IPC IPC(8): G01C3/22
CPCG01C3/22
Inventor 董均贵吕海波
Owner GUILIN UNIVERSITY OF TECHNOLOGY