In recent years, China’s industrialized production has been gradually mechanized, and a variety of sampling prototypes have been widely used in thermal power plants, coking plants, and steel plants. According to related reports, China's coal sampling has also entered the era of mechanization, and coal automatic sampling vehicles are widely used in coal sample production. The introduction of such mechanized equipment has low labor intensity and high work efficiency, and people have less influence on subjective factors. Next, Xiaobian took everyone together to dissect the core technology of this automatic coal sampling vehicle . According to the technical conditions owned by China, ultrasonic positioning technology has a low selection of vehicle models, and there are no special requirements in terms of weather and light, so it has a strong applicability in coal sampling sites. In this technology, the system is also equipped with a positioning function, the main purpose is to detect the three-dimensional coordinates of the stop position of the coal cart. Ultrasonic technology in the coal automatic sampling vehicle requirements is mainly on the ultrasonic rangefinder, the accuracy can be controlled to within 10mm. At work, the two ultrasonic distance meters on the automatic coal sampling vehicle can measure the vehicle depth and the height of the chassis in the sampling area of ​​the vehicle. With these data, we can easily calculate the travel displacement of various types of vehicles to achieve automatic sampling. The second core technology of the automatic coal sampling vehicle is laser positioning technology. Sampling vehicles using this type of technology require the placement of 10 sets of laser beam detectors on the front of the car. And, the distance between the major switches must reach 100mm. In use, we mainly determine the distance between the front and the car lever through the on/off status of the photoelectric switch of the coal automatic sampling vehicle. The error at this distance is generally 100mm. If we want to reduce the error, then we can increase the number of photoelectric switch groups. The sampling control system of this coal automatic sampling vehicle developed in China is mainly composed of two parts, namely IC card system and modern detection technology. The core of this system is PLC control, mainly using data as technical support. At present, China's automatic coal sampling truck has an advanced and reliable sampling system, and it can completely realize no manual control at work. With the help of the automatic arm sampling robot's small arm to automatically position the sample and select the sampling method, the mechanical operation can reduce the error caused by human manipulation. This type of vehicle is mainly characterized by high efficiency, low labor intensity, and objective sampling results. When running such machines, we only need a computer system to easily manage and control multiple production prototypes.
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Anatomy of the core technology of the automatic sampling vehicle for coal
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