Water body sampling detection device for environmental protection

The invention discloses a water body sampling detection device for environmental protection, and particularly relates to the technical field of water body sampling detection devices.The water body sampling detection device comprises a mounting cylinder, a mounting circular plate is fixed to the lower end of the mounting cylinder, four first connecting columns in an annular array are fixed to the inner side of the lower end of the mounting circular plate, and a scraping assembly is fixed to the lower ends of the four first connecting columns jointly; and four second connecting columns are annularly arrayed on the outer side of the lower end of the mounting circular plate, a supporting circular plate is jointly fixed to the lower ends of the four second connecting columns, and a matching gear is fixed to the circle center of the upper end of the supporting circular plate. According to the water body sampling detection device for environmental protection, through the arrangement of the four water taking componen