Multifunctional animal footprint measuring device
The invention relates to a multifunctional animal footprint measuring device, which aims to solve the problems that a large number of tools are needed for measuring related data and a large amount of steps and energy are consumed when animal footprints are encountered in the field. The device compri...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a multifunctional animal footprint measuring device, which aims to solve the problems that a large number of tools are needed for measuring related data and a large amount of steps and energy are consumed when animal footprints are encountered in the field. The device comprises an annular circular shaft, a connecting part, two small rotating shafts and four measuring rulers, the connecting part is wound on the annular circular shaft, the two ends of the connecting part are fixedly connected with the two small rotating shafts respectively, each small rotating shaft is provided with two measuring rulers, and the measuring rulers rotate around the circle centers of the small rotating shafts. Angle scales are arranged on the annular circular shaft, a whole measuring flexible rule or a firm line is adopted for the connecting part, and scales are arranged on the connecting part. And angle scales are arranged on the small rotating shaft. The width center line of the measuring ruler and the c |
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