Multi-station three-dimensional laser scanning internal measurement device and method for volume of vertical tank with large length-diameter ratio
A technology of three-dimensional laser and large aspect ratio, which is applied in the field of three-dimensional laser scanning, can solve the problems of low measurement accuracy, affect volume measurement accuracy, and inability to measure, and achieve the same point cloud data accuracy, improve measurement accuracy, and improve calculation accuracy. Effect
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[0036]Example 1
[0037]The invention provides a multi-station three-dimensional laser scanning internal measurement device for a vertical tank with a large aspect ratio, seeFigure 1-Figure 3 , Including a laser scanner 100, a guide rail 200 and a transmission assembly 300, wherein the transmission assembly 300 is arranged on the guide rail 200 and can slide along the length of the guide rail 200, and the laser scanner 100 is arranged on the transmission assembly 300. When in use, the transmission assembly 300 is set to drive the laser scanner 100 to move along the length of the guide rail 200. During the movement, multiple measuring stations 800 are set, and the laser scanner 100 opposes 700 vertical tanks at the measuring station 800 Each part is scanned to obtain point cloud data. The processor 600 is set outside the tank, receives the measurement data from the laser scanner, and processes the data such as filtering and splicing, and calculates the vertical tank 700 based on the pro...
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[0051]Example 2
[0052]A multi-station three-dimensional laser scanning internal measurement method for the volume of a vertical tank with a large aspect ratio uses the above-mentioned multi-station three-dimensional laser scanning internal measurement device for a vertical tank volume with a large aspect ratio, combinedFigure 2-Figure 5, Including the following steps:
[0053]Step 1. One end of the guide rail 200 is installed inside the vertical tank 700 along the axis of the vertical tank 700, and the splicing target 400 is installed in the vertical tank 700, including the first station 810 and the second station 820 The first splicing target 410 in the common scanning range and the second splicing target 420 in the common scanning range of the second station 820 and the third station 830;
[0054]Step 2. Control the operation of the precision servo motor 320 to drive the laser scanner 100 to move into the vertical tank 700, during which a number of measuring points 800 are set at interva...
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