A graduated columnar soil sampler
A sampler and scale technology, applied in the field of columnar soil samplers, can solve the problems of waste of manpower, loss of ruler, and difficulty in fixing, and achieve the effects of accurate and uniform profile collection, convenient carrying and use, and convenient disassembly and installation.
Inactive Publication Date: 2011-12-21
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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AI Technical Summary
Problems solved by technology
[0002] At present, the columnar soil profile is collected by using a semi-circular drill to drill the soil column and then cut it with a ruler and cut it with a profile knife. However, there are many problems when measuring with a ruler: the tape measure is too soft, and it is not easy to fix when cutting the profile; It is necessary to move when cutting a deep section, which leads to an increase in cutting error; it is inconvenient to carry a long ruler, and these kinds of rulers are not easy to fix when using them. Once they slide during use, the cutting results will be directly affected. One person fixes the ruler on one side of the soil column, and the other person cuts with a profile knife, which easily leads to uneven thickness of the cutting section and wastes manpower. In addition, the loss of the ruler during the sampling process will also cause great trouble for sample collection.
These adverse effects will lead to the accuracy of laboratory analysis results
Method used
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Experimental program
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Effect test
Embodiment 1
[0017] Example 1 as Figure 1 to Figure 4 As shown, the composition of a kind of columnar soil sampler with scale provided by the present invention comprises handle 1, sleeve pipe 3, support rod 4, connector 6, sampler 7 and shrink tube 8;
[0018] The handle 1 is a round tube; the sleeve 3 is a round tube, and the center of the round tube of the handle 1 is welded vertically to the upper end of the sleeve 3; the support rod 4 is a round tube, and its upper end is inserted into the inside of the sleeve 3 from the lower end of the sleeve 3 , and, there is a rectangular convex key 12 on the outer tube wall at the upper end of the support rod 4, and a rectangular concave keyway 13 is also arranged on the inner tube wall of the casing 3, and the rectangular key 12 is placed in the rectangular concave keyway 13; after the circular fixed screw rod 2 with external thread is matched with the fixed screw hole 9 with internal thread on the casing 3, the tip of the fixed screw rod 2 is a...
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Abstract
The invention provides a graduated columnar soil sampler, which consists of a handle (1), a sleeve (3), a support rod (4), a connector (6), a sampler (7) and a shrink tube (8 ). The columnar soil sampler with scale provided by the invention is easy to disassemble, install, carry and use. It is not necessary to be equipped with a separate ruler during use. The soil profile sampler provided by the invention facilitates the cutting of the profile, and the scales at both ends make the profile collection more accurate and uniform.
Description
technical field [0001] The present invention relates to cylindrical soil samplers. Background technique [0002] At present, the columnar soil profile is collected by using a semi-circular drill to drill the soil column and then cut it with a ruler and cut it with a profile knife. However, there are many problems when measuring with a ruler: the tape measure is too soft, and it is not easy to fix when cutting the profile; It is necessary to move when cutting a deep section, which leads to an increase in cutting error; it is inconvenient to carry a long ruler, and these kinds of rulers are not easy to fix when using them. Once they slide during use, the cutting results will be directly affected. One person fixes the ruler on one side of the soil column, and the other person cuts with a profile knife, which easily leads to uneven thickness of the cutting section and wastes manpower. In addition, the loss of the ruler during the sampling process will also cause great trouble fo...
Claims
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IPC IPC(8): G01N1/08
Inventor 张少庆王国平张玉霞刘树元
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S