Impact Soil Sampling Device for High Geological Background Areas
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In high geological background areas, manual soil sampling is inefficient and labor-intensive, leading to physical fatigue and incomplete soil sample collection, which hampers the evaluation of ecological risk due to elevated heavy metal levels.
Innovation Solution
A sampling device comprising an impact sampling mechanism with a motor-driven impact hammer, a soil layer stripping mechanism with radially moving stripping plates, and an auxiliary support frame, designed to collect soil samples efficiently and completely, ensuring sample integrity and reducing worker workload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual excavation is used to collect soil samples, then the device complexity is low, but the productivity is very low and physical fatigue is unbearable
Solution Approach 1:
The sampling device is divided into multiple independent functional modules: impact sampling mechanism, soil layer stripping mechanism, and auxiliary support frame. Each module performs a specific function and can operate independently, enabling efficient automated sampling while maintaining manageable device complexity through modular design.
Solution Approach 2:
The patent replaces manual mechanical excavation with an automated impact sampling mechanism that uses a motor-driven impact hammer to penetrate soil layers. This substitution of manual labor with automated mechanical systems dramatically improves productivity while the modular design keeps overall device complexity manageable.
2Quantity of substance
If manual sampling is used, then the device structure is simple, but the soil sample collection is incomplete and efficiency is low
Solution Approach 1:
The impact sampling mechanism continuously drives the sampling hopper into the soil through repeated impact actions, ensuring complete penetration through different soil layers. The automated continuous operation guarantees complete sample collection without the interruptions and incompleteness associated with manual sampling methods.
Solution Approach 2:
The device performs preliminary impact actions to penetrate the soil surface and create access channels before actual sample collection. The impact hammer pre-penetrates the soil layers, making subsequent sample extraction complete and efficient, thereby reducing total sampling time.
3Ease of operation
If workers manually excavate soil samples, then no complex device is needed, but physical fatigue becomes unbearable
Solution Approach 1:
The sampling device performs sampling operations autonomously without requiring continuous manual intervention. The motor-driven impact hammer and automated stripping mechanism operate independently, freeing workers from physically demanding excavation tasks while the modular design keeps the device manageable and not overly complex.
4Productivity
If a portable device is required, then the device weight and size are constrained, but collecting large numbers of samples efficiently becomes difficult
Solution Approach 1:
The device is segmented into modular components that can be assembled and disassembled easily. This modular structure reduces overall device weight and size for portability while maintaining the functional capability to collect large numbers of samples efficiently through coordinated operation of the various modules.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device enables quick, complete, and accurate collection of soil samples, reducing worker fatigue and improving the analysis of soil layer structures, while being compact and portable.
Implementation Method 1
The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The impact hammer is motor-driven to reciprocate along the axis of the impact rod through a crank-link mechanism.
Implementation Method 2
A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode. The stripping plates are motor-driven and can move along a radial direction of the support disc.
Data Source
AI summary
A sampling device and method for evaluating ecological risk of soil in a high geological background area comprises an impact sampling mechanism, a soil layer stripping mechanism and an auxiliary support frame. The impact sampling mechanism comprises a sampling hopper with a downward opening. A connecting sliding rod is fixedly arranged on the top of the sampling hopper. An upper end of the connecting sliding rod is connected with an impact rod. The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The soil layer stripping mechanism comprises a stripping sliding cylinder in sliding fit with the connecting sliding rod, and a support disc. A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode.