A soil testing device for soil remediation

Abstract

The application relates to the technical field of soil remediation, and particularly discloses a soil detection device for soil remediation. The device comprises a transmission head, a sampling cylinder and a plurality of connecting rod assemblies used for connecting the transmission head and the sampling cylinder, the connecting rod assemblies are detachably connected with detection assemblies, the detection assembly comprises a detection sleeve and a soil detector detachably connected below the detection sleeve, a plurality of mud scraping plates are rotationally arranged on the side wall of the detection sleeve, the detection sleeve is internally provided with a function assembly used for controlling the expansion of the mud scraping plates, and the transmission head, the sampling cylinder and the connecting rod assemblies are internally provided with transmission assemblies used for providing power for the function assembly. The application aims to solve the problem that the traditional soil detection equipment is easily affected by the environment during soil detection, thereby causing detection errors.

Description

Technical Field

[0001] This application relates to the field of soil remediation technology, and specifically discloses a soil testing device for soil remediation. Background Technology

[0002] Soil remediation refers to the technical measures taken to restore contaminated soil to its normal function. In the soil remediation industry, there are over one hundred existing technologies, with more than ten commonly used, broadly categorized into physical, chemical, and biological methods. Since the 1980s, many countries worldwide, especially developed countries, have formulated and implemented contaminated soil remediation plans, thus giving rise to a burgeoning soil remediation industry.

[0003] In soil remediation, to improve remediation effectiveness, soil testing is typically required before remediation to ensure the correct type and dosage of pesticides are determined. However, due to soil permeability, the contamination levels vary at different depths, necessitating adjustments to pesticide application at different soil layers. Therefore, corresponding soil testing is required at different depths. Currently, soil samples are typically taken from the corresponding depth before testing. However, this process alters the microorganisms in the soil, affecting test results and leading to errors in pesticide application. Furthermore, Chinese patent application CN202022498213.5 discloses a soil testing device for deep soil analysis. While this application allows for sampling and testing at corresponding depths, it only detects soil at the corresponding location, resulting in insufficient sample collection per borehole operation and continued detection errors. Therefore, the inventors have developed a soil testing device for soil remediation to address these issues. Summary of the Invention

[0004] The purpose of this invention is to solve the problem that traditional soil testing equipment is easily affected by the environment when testing soil, which leads to errors in the test.

[0005] To achieve the above objectives, the basic solution of the present invention provides a soil testing device for soil remediation, including a transmission head, a sampling cylinder, and a plurality of connecting rod assemblies for connecting the transmission head and the sampling cylinder. A testing component is detachably connected between the connecting rod assemblies. The testing component includes a testing sleeve and a soil testing instrument detachably connected below the testing sleeve. A plurality of scraper blades are rotatably provided on the side wall of the testing sleeve. A functional component for controlling the unfolding of the scraper blades is provided inside the testing sleeve. Transmission components for providing power to the functional components are provided inside the transmission head, the sampling cylinder, and the connecting rod assemblies.

[0006] The principle and effect of this basic scheme are as follows:

[0007] 1. Take out the transmission head, sampling cylinder and several connecting rod assemblies and connect them in sequence to complete the soil sampling work at the corresponding depth, which is convenient for the subsequent depth test in the laboratory.

[0008] 2. However, to improve the accuracy of soil testing, timely sampling and testing can be performed using the detection components left in the holes after sampling. Specifically, based on the sampling depth and testing effect, a corresponding number of detection components can be installed between the transmission head, sampling cylinder, and several connecting rod assemblies for testing. Then, during the final soil sampling, the detection components can be used to sample the soil at the corresponding depth. After sampling, a scraper can be used to scrape the soil from the hole wall into the detection sleeve, and finally it falls into the soil analyzer for timely testing.

[0009] 3. During the drilling process, the transmission component can assist in the expansion or retraction of the scraper blade to facilitate better scraping detection.

[0010] Compared with the prior art, the present invention is simple to operate and can directly use the sampling holes left after sampling to complete the soil stratification test, thereby ensuring the timeliness of soil testing. At the same time, during the sampling process, the squeezing force is used to ensure that the soil at the corresponding depth and in all directions can be fully covered, thereby effectively improving the comprehensiveness of sampling and testing and improving the accuracy of test data. Therefore, it is easy to promote its use in this field.

[0011] Furthermore, the functional components include a functional rod that slides through the detection sleeve and a functional disc fixed to the functional rod within the detection sleeve. A top plate is obliquely fixed to the inner side of the scraper, and a traction cable for pulling the scraper back is connected between the top plate and the functional disc. When the functional rod moves upward, it drives the functional disc to move upward. The functional disc presses against the top plate, causing the scraper to unfold outward. Thus, when the device is pulled upward, because the upper end of the scraper is larger than the diameter of the sampling hole, it can scrape the soil from the hole wall to complete the soil sampling. After sampling, the functional rod moves downward, ensuring that the functional disc moves downward. The scraper is then pressed against the hole wall and returns to the detection sleeve, stopping the sampling. Simultaneously, when the functional disc moves downward, the traction cable can also pull the scraper back to its initial position.

[0012] Furthermore, the soil tester has an operating ring at the bottom for easy installation, and the soil tester is threadedly connected to the testing sleeve. The soil tester also has a central hole for the sliding of the functional rod, facilitating installation and disassembly.

[0013] Furthermore, the linkage assembly includes a support sleeve and extension sleeves slidably disposed at both ends of the support sleeve. The support sleeve contains an extension component for changing the spacing between the extension sleeves. The relative distance between the extension sleeves and the support sleeve can be adjusted according to the sampling depth and soil stratification, thereby adapting to soil sampling and testing at different depths.

[0014] Furthermore, the expansion assembly includes a threaded sleeve and a hollow threaded rod corresponding to the threaded sleeve. This allows adjustment of the relative distance between the two expansion sleeves to accommodate different depth detection requirements.

[0015] Furthermore, the transmission assembly includes a stop rod disposed within the transmission head, a transmission rod penetrating within the extension assembly, and a top rod penetrating the sampling cylinder. During the sampling process, the force of the soil as it enters the sampling cylinder causes the functional rod to move upwards.

[0016] Furthermore, both the transmission head and the abutment rod have pin holes with positioning pins inside. In the early stages before soil sampling, the pins can be inserted into the abutment rod to prevent it from moving upwards, which in turn would cause the top rod and functional rod to move upwards, leading to unnecessary testing.

[0017] Furthermore, the transmission rod includes a main rod sleeve and a corresponding auxiliary rod sleeve, to accommodate connecting rod assemblies of different sizes.

[0018] Furthermore, a top plug that is fixedly connected to the top rod is slidably provided inside the sampling cylinder. This facilitates the transmission of the soil's force to the top rod.

[0019] Furthermore, auxiliary plates are fixed to the upper ends of the functional rod, the top rod, and the transmission rod, and return springs are provided on the lower side of the auxiliary plates. After the scraper finishes scraping the mud, the functional rod can move downwards under the force of the return springs to complete the traction and retraction of the scraper. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A schematic diagram of the structure of a soil testing device for soil remediation according to an embodiment of this application is shown;

[0022] Figure 2 A schematic diagram of the structure of the detection component in a soil testing device for soil remediation according to an embodiment of this application is shown;

[0023] Figure 3 A cross-sectional view of the detection component in a soil testing device for soil remediation according to an embodiment of this application is shown;

[0024] Figure 4 A schematic diagram of the structure of a soil testing instrument in a soil testing device for soil remediation according to an embodiment of this application is shown;

[0025] Figure 5 A cross-sectional view of the transmission head in a soil testing device for soil remediation according to an embodiment of this application is shown.

[0026] Figure 6 A cross-sectional view of a linkage assembly in a soil testing device for soil remediation according to an embodiment of this application is shown.

[0027] Figure 7 A cross-sectional view of a sampling tube in a soil testing device for soil remediation according to an embodiment of this application is shown. Detailed Implementation

[0028] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0029] The reference numerals in the accompanying drawings include: 1. Transmission head; 2. Positioning pin; 3. Extension sleeve; 4. Auxiliary plate; 5. Support sleeve; 6. Detection sleeve; 7. Scraper; 8. Return spring; 9. Sampling cylinder; 10. Functional rod; 11. Top plate; 12. Traction cable; 13. Operating ring; 14. Soil tester; 15. Push rod; 16. Top rod; 17. Threaded sleeve; 18. Threaded rod; 19. Transmission rod; 20. Top plug.

[0030] Implementation, for example Figure 1 As shown, it includes a transmission head 1, a sampling cylinder 9, and several connecting rod assemblies for connecting the transmission head 1 and the sampling cylinder 9. Figure 6 As shown, the linkage assembly includes a support sleeve 5 and an extension sleeve 3 slidably disposed at both ends of the support sleeve 5. A set of extension components for changing the spacing of the extension sleeves 3 is disposed inside the support sleeve 5. The extension components include a threaded sleeve 17 and a hollow threaded rod 18 corresponding to the threaded sleeve 17. The threaded sleeve 17 is rotatably disposed on the inner top surface of the upper extension sleeve 3, and the hollow threaded rod 18 is rotatably disposed on the lower extension sleeve 3. An adjustment plate that abuts against the lower extension sleeve 3 is welded on the threaded rod 18.

[0031] like Figure 1 and Figure 2As shown, a detection component is detachably connected between the connecting rod assemblies. Specifically, one end of the connecting rod assembly and the detection component is provided with an external threaded ring, and the other end of the connecting rod assembly and the detection component is provided with an internal threaded ring corresponding to the external threaded ring; for example... Figure 2 and Figure 3 As shown, the testing assembly includes a testing sleeve 6 and a soil testing instrument 14 detachably connected to the bottom of the testing sleeve 6. Specifically, as shown... Figure 4 As shown, the soil tester 14 has a threaded connection end on the top, the test sleeve 6 has a threaded connection groove at the bottom corresponding to the threaded connection end, the soil tester 14 has an operating ring 13 at the bottom for easy installation, and the soil tester 14 has a central hole.

[0032] like Figure 3 As shown, the side wall of the detection sleeve 6 has three detection slots. A scraper 7 is hinged to the lower surface of each slot. A top plate 11 that slopes downwards is welded to the inner wall of each scraper 7. A functional rod 10 that passes through the central hole is slidably installed inside the detection sleeve 6. A functional disc that is welded to the functional rod 10 and fits against the lower end of the top plate 11 is installed inside the detection sleeve 6. A traction cable 12 for pulling the scraper 7 back is connected between the top plate 11 and the functional disc.

[0033] like Figure 5 As shown, a stop rod 15 is slidably disposed inside the transmission head 1. Both the transmission head 1 and the stop rod 15 have pin holes, and positioning pins 2 are provided in the pin holes; Figure 6 As shown, a transmission rod 19 is slidably disposed within the threaded sleeve 17 and the hollow threaded rod 18. The transmission rod 19 includes a main threaded sleeve and a secondary threaded rod corresponding to the main threaded sleeve; as shown... Figure 7 As shown, a top rod 16 is slidably mounted on the sampling cylinder 9, and a top plug 20 is slidably mounted inside the sampling cylinder and fixedly connected to the top rod 16.

[0034] like Figure 2 , Figure 5 , Figure 6 as well as Figure 7 As shown, auxiliary plates 4 are fixed to the upper ends of the functional rod 10, the top rod 16, and the transmission rod 19, and return springs 8 are provided on the lower side of the auxiliary plates 4.

[0035] Usage process:

[0036] This device can be stored in sections. The transmission head 1, sampling cylinder 9, connecting rod assembly, detection assembly and soil tester 14 can be stored in sections in the shock-absorbing box, which makes the device easy to transport.

[0037] When using this device, first determine the sampling depth, the number of stratified tests, and the detection depth of each layer. After determining the parameters, select an appropriate number of linkage assemblies, detection assemblies, and soil analyzers 14. Screw the soil analyzers 14 onto the bottom of the detection assemblies. Then, adjust the relative distance between the two extension sleeves 3 in each linkage assembly on the support. Install the detection sleeves 6 with the soil analyzers 14 at the set detection layers and depths, sequentially installing them between several linkage assemblies. This effectively completes the stratified detection and depth control settings. After all linkage assemblies, detection assemblies, and soil analyzers 14 are installed, install the transmission head 1 at the top and the sampling cylinder 9 at the bottom, and it is ready for use. Note that all components have the same thread.

[0038] Remove the drilling motor or internal combustion engine, install the transmission head 1 on the power output end of the motor or internal combustion engine, and you can begin soil sampling.

[0039] The soil sampling procedure is the same as that of traditional soil sampling equipment. The only difference in the use of this device is that the positioning pin 2 needs to be inserted into the pin holes of the transmission head 1 and the push rod 15. When the sampling cylinder 9 is drilled downward, the soil is squeezed into the sampling cylinder 9. When the sampling cylinder 9 is full of soil, the device is taken out and the soil in the sampling cylinder 9 is taken out, thus completing one sampling. The sampling can be completed by repeating the operation in the original sampling hole.

[0040] When the last sampling cycle arrives, the positioning pin 2 inserted into the pin holes of the transmission head 1 and the push rod 15 is pulled out. The soil in the sampling cylinder 9 squeezes the top plug 20, which drives the push rod 16 to move upward. This, in turn, drives the functional rod 10 to move via the transmission rod 19. The upward displacement of the functional rod 10 drives the functional disc to move upward. The functional disc squeezes the top plate 11, causing the scraper 7 to unfold outward. Thus, when the device is completely pulled out upward, because the upper end of the scraper 7 is larger than the diameter of the sampling hole, it can scrape the soil from the hole wall. This completes the soil sampling for testing. After sampling, the soil left in the hole can be scraped off the hole wall by the scraper 7 and placed into the testing sleeve 6, eventually falling into the soil tester 14 for timely testing. After sampling is completed, the function rod 10 moves downward, which ensures that the function disk moves downward. This allows the scraper 7 to be squeezed by the hole wall and return to the testing sleeve 6, stopping the sampling test. At the same time, when the function disk can move downward under the force of the return spring 8, the traction cable 12 can also pull the scraper 7 back to the initial position.

[0041] After use, disassemble each component in sequence, clean, recycle, and record to complete the test.

[0042] This invention is simple to operate and can directly utilize the sampling holes left after sampling to complete the soil stratification test, thereby ensuring the timeliness of soil testing. At the same time, during the sampling process, the squeezing force is used to ensure that the soil at the corresponding depth and in all directions can be fully covered, thereby effectively improving the comprehensiveness of sampling and testing and improving the accuracy of test data. Therefore, it is easy to promote its use in this field.

[0043] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention. The technologies, shapes, and structures not described in detail in this invention are all known technologies.

Claims

1. A soil testing device for soil remediation, characterized in that: The system includes a transmission head, a sampling cylinder, and several connecting rod assemblies for connecting the transmission head and the sampling cylinder. A detection assembly is detachably connected between these connecting rod assemblies. Each connecting rod assembly includes a support sleeve and extension sleeves slidably disposed at both ends of the support sleeve. Inside the support sleeve is a set of extension components for changing the spacing between the extension sleeves. Each extension component includes a threaded sleeve and a hollow threaded rod corresponding to the threaded sleeve. The threaded sleeve is rotatably disposed on the top surface of the upper extension sleeve, and the hollow threaded rod is rotatably disposed on the lower extension sleeve. An adjusting plate is welded to the threaded rod and rests against the lower extension sleeve. The detection assembly includes a detection sleeve and a soil analyzer detachably connected below the detection sleeve. The soil analyzer has a central hole. The side wall of the detection sleeve has three detection slots, each with a scraper hinged to its lower surface. Each scraper has a top plate welded to its inner wall, sloping downwards. The device includes a functional component for controlling the deployment of the scraper blade. This component comprises a functional rod and a functional disc. The functional rod slides through the central hole, and the functional disc is welded to the functional rod and fits against the lower end of the top plate. A traction cable for pulling the scraper blade back is connected between the top plate and the functional disc. The transmission head, sampling cylinder, and connecting rod assembly each contain a transmission component for providing power to the functional component. The transmission component includes a push rod slidably disposed within the transmission head. Both the transmission head and the push rod have pin holes with positioning pins inside. A transmission rod is slidably disposed within a threaded sleeve and a hollow threaded rod. The transmission rod includes a main threaded sleeve and a secondary threaded rod corresponding to the main threaded sleeve. A push rod is slidably disposed through the sampling cylinder. A top plug fixed to the push rod is slidably disposed within the sampling cylinder. An auxiliary plate is fixed to the upper end of the functional rod, the push rod, and the transmission rod. A return spring is provided on the lower side of each auxiliary plate.

2. The soil testing device for soil remediation according to claim 1, characterized in that, The soil tester has an operating ring at the bottom for easy installation, and the soil tester is threadedly connected to the test sleeve.

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