Polluted soil sample sampling device for environmental protection monitoring

A technology for environmental protection monitoring and sampling devices, applied in the direction of sampling devices, etc., can solve the problems of easy-wearing sampling cylinders, high cost of soil monitoring, high wear rate of sampling cylinders, etc., and achieve the effect of reducing wear rate and improving sampling efficiency

Inactive Publication Date: 2019-09-20
SHAANXI SCI TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When monitoring soil pollutants, it is necessary to frequently sample and analyze the soil in a specific monitoring area. Existing soil sampling instruments generally use electric drill barrels, which have a high wear rate for the sampling barrel, resulting in soil monitoring. The cost is high, especially when sampling on hard soil, it is easy to wear the sampling cylinder, so there is a premise to improve the existing soil sampler

Method used

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  • Polluted soil sample sampling device for environmental protection monitoring
  • Polluted soil sample sampling device for environmental protection monitoring
  • Polluted soil sample sampling device for environmental protection monitoring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] as attached figure 1 - attached Figure 4 As shown, the present invention provides a polluted soil sample sampling device for environmental protection monitoring, comprising a drive mechanism and a drill rod 6, the lower end of the drive mechanism is provided with a drill rod 6, and the drive mechanism includes a servo motor 1, a drive carrying case 4, The driven gear 9 and the driving gear 10, the driving bearing box 4 is a cylindrical structure and the inner center is provided with a driving gear 10, and several driven gears 9 are evenly distributed around the driving gear 10, and the servo motor 1 is located in the driving bearing box. 4 directly above and the main shaft faces down and penetrates into the drive bearing box 4 to be connected with the driving gear 10;

[0024] The center of the lower end of the driven gear 9 is embedded with a drill rod 6 from bottom to top, and the lower end of the drill rod 6 extends vertically downward and passes through the drive ...

Embodiment 2

[0031] as attached Figure 5 As shown, in order to change the sampling cylinder 13, it is necessary to use the circularly distributed drill pipe 6 to drive out the excavable column. In the case of sampling with the sampling cylinder 13, the sampling efficiency is improved. The center of the lower end surface is fixed with a nesting tube, the inner wall of the nesting tube is provided with internal threads, the outer wall of the nesting tube is close to the drill pipe 6, and a sampling tube 13 is embedded in the nesting tube from bottom to top, and the sampling tube 13 is vertical The lower end extends downwards and the lower end is higher than the lower end of the drill rod 6 with a distance of 50mm-150mm, that is, the sampling cylinder 13 is inserted downward as the drill rod 6 drills downward, which effectively improves the sampling efficiency.

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Abstract

The invention discloses a polluted soil sample sampling device for environmental protection monitoring. The polluted soil sample sampling device for environmental protection monitoring comprises a driving bearing box, wherein the driving bearing box is of a cylindrical structure, a driving gear is arranged in the center of the driving bearing box, a plurality of driven gears are uniformly distributed and meshed around the driving gear, a servo motor is arranged right above the driving bearing box, and a main shaft of the servo motor faces downwards and penetrates the driving bearing box to be connected with the driving gear; the center of the lower end of the driven gear is embedded with drill rods from bottom to top, and the lower ends of the drill rods vertically extend downwards and penetrate out of the driving bearing box to form a structure that the servo motor drives the plurality of drill rods distributed in a circular shape to rotate. According to the invention, through analyzing the characteristics of hard soil, the sampling cylinder is perforated around the sampling cylinder in a porous manner, so that the sampling cylinder is conveniently inserted, and the wear rate of the sampling cylinder can be effectively reduced; and particularly, the sampling efficiency is greatly improved by adopting a synchronous manner of inserting the drilling hole into the sampling cylinder, so that the implementation of soil monitoring is facilitated, and a reliable feedback result can be provided for soil protection in time.

Description

technical field [0001] The invention relates to a polluted soil sample sampling device for environmental protection monitoring, in particular to a polluted soil sample sampling device for environmental protection monitoring. Background technique [0002] With the rapid development of our country, due to the neglect of environmental protection in the development process, the pollution problem has become a very big social problem, so there is also the construction of "ecological civilization", which makes environmental protection increasingly valued by people, but While paying attention, supervision is also needed. In order to ensure the effectiveness of supervision, it is necessary to provide feedback on the results of supervision, that is, sampling monitoring is required. At present, for soil pollution, soil pollutants can be roughly divided into two categories: inorganic pollutants and organic pollutants. Inorganic pollutants mainly include acids, alkalis, heavy metals, sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 宋凤敏
Owner SHAANXI SCI TECH UNIV
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