A line-blade composite cutting square soil sampling device

Abstract

The invention discloses a line and blade combination cutting type square soil sampling device, belonging to the technical field of soil sampling. The square soil sampling device comprises long blades, short blades, a first knife rest, a second knife rest, an accessory rod, a main rod, a line winding bracket, line winding rods, cutting fine lines and line nets, wherein the main rod is sleeved on the outer surface of the accessory rod, the first knife rest is connected with the accessory rod, and the second knife rest is connected with the main rod; the first knife rest is provided with two short blades, the second knife rest is provided with two long blades, and the long blades and the short blades are provided with line winding holes; the adjacent line winding holes are connected with each other by the cutting fine line to form a square coil; the line winding bracket is sleeved on the outer side of the main rod, and two line winding rods are symmetrically and movably arranged on the line winding bracket; and each line winding rod is wound with the line net. According to the square soil sampling device, the original state of a soil sample can be ensured to maximum extent, so that the accuracy and the scientificity of soil analysis data are improved.

Description

technical field [0001] The invention relates to a soil sampling device, in particular to a line blade compound cutting type square soil sampling device, which belongs to the technical field of soil sampling. Background technique [0002] In recent years, soil problems such as desertification, soil erosion, and heavy metal pollution have attracted people's attention, and corresponding research on soil corrosion resistance, chemical composition, etc. has occurred; in addition, soil resources and energy utilization are another important research direction, such as mineral resources and geothermal energy. Energy utilization and mineral resources need to ascertain soil composition and distribution, and geothermal utilization requires analysis of geothermal distribution and soil heat conduction characteristics. Before carrying out these soil-related studies, they all face a common technical need—soil sampling. [0003] Soil sampling is the premise of soil analysis, and whether th...

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Problems solved by technology

Among them, the Luoyang shovel needs a large area of ​​excavation, which has high labor intensity and low labor efficiency. The deeper the soil is taken, the more obvious its shortcomings are; the soil drill relies on the friction between the soil and the inner wall of the cylinder to take out soil samples. The damage to the original state of the soil is great, and the bottom soil is easy to fall off, and in the experimental analysis, square soil samples are often used, and the samples need to be cut off again

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