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Handheld undisturbed soil sampling device for complex terrain environment

A technology of complex terrain and sampling device, which is applied in the field of soil environment remediation to achieve the effects of improving sampling efficiency, reducing weight and being easy to operate.

Pending Publication Date: 2021-07-23
江苏华创环境修复有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of hand-held undisturbed soil sampling device for complex terrain environment, to solve the problems raised in the above-mentioned background technology

Method used

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  • Handheld undisturbed soil sampling device for complex terrain environment
  • Handheld undisturbed soil sampling device for complex terrain environment

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Experimental program
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Effect test

Embodiment 1

[0033] refer to figure 1 and figure 2 , the present invention provides a hand-held undisturbed soil sampling device for complex terrain environments, including a DC motor 7, a drill handle 1, a hollow cylindrical cutter 2, a hollow drill rod 3, a backpack type battery 4, a cable 5 and Controller 6;

[0034] The DC motor is connected to the hollow cylindrical cutter or hollow drill rod through the transmission shaft, and the connection between the DC motor and different types of hollow cylindrical cutters or hollow drill rods is realized by replacing the interface of the transmission shaft, according to the specific needs of the survey site , the inner diameter range of the cylindrical cutter is 5cm, 10cm, 15cm and 20cm, the height is 5cm-40cm, the diameter range of the hollow drill rod is 2.5cm-10cm; the backpack type battery is connected to the DC motor through a cable, and the cable is connected Connected with a controller, the storage capacity of the backpack-type batter...

Embodiment 2

[0036] Taking the site survey in an industrial park in Jiangsu Province as an example, the site has complex ground structures, large environmental drilling rigs cannot operate, and the ground hardened layer is 25cm thick. The specific implementation process of using this handheld undisturbed soil sampling device is as follows.

[0037] In this example, the inner diameter of the hollow cylindrical cutter is 10cm, and the height is 30cm; first, connect the hollow cylindrical cutter to the DC motor through the drive shaft, and connect the backpack battery and controller to complete the installation. In this example, the capacity of the battery is 20kWh, the power of the DC motor is 3kw, the controller controls the speed of the DC motor to gradually increase from 200r / min to 1500r / min, cut the hardened layer of the ground, take out the columnar core, and leak the surface soil below the hardened layer of the ground ; Then replace the cylindrical cutter with a drill rod to complete s...

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Abstract

The invention discloses a handheld undisturbed soil sampling device for a complex terrain environment. The handheld undisturbed soil sampling device comprises a storage battery pack, a direct current motor, a hollow cylindrical cutter, a hollow cast iron drill rod and a drilling machine handle. A backpack type storage battery is used as power to drive the direct current motor, and the cylindrical cutter or the drill rod is connected with the direct current motor through a bearing. By replacing different bearings, switching of drill rods with different diameters is achieved, and the soil environment investigation requirements of different land parcels are met. The cylindrical cutter can be used for cutting the hardened ground without generating gravel blocks, and the influence on soil sampling is small. Meanwhile, the backpack type storage battery is used as a power source, the weight of the drilling machine is reduced, the influence on soil organic matter sampling is avoided, and the operation difficulty of the drilling machine is reduced.

Description

technical field [0001] The invention relates to the technical field of soil environment restoration, in particular to a hand-held undisturbed soil sampling device for complex terrain environments. Background technique [0002] In recent years, my country has paid more and more attention to the problem of site pollution, and various places are gradually carrying out site investigation, evaluation and restoration of closed and relocated industrial enterprises. Site environmental investigation is the basis for discovering site contamination, assessing site risk, and remediating the site. Among the many sites that require environmental surveys, a large part are located in industrial parks, where underground pipelines are densely covered, the site environment is complex, and the working space of large environmental protection drilling rigs is small. In many cases, manual drilling and sampling are required. [0003] Most of the existing portable drilling rigs on the market use ga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 于磊李志琳程海磊朱强
Owner 江苏华创环境修复有限公司