Soil removing and sampling device for preventing and treating diseases of salinized soil

Abstract

The utility model belongs to the technical field of soil sampling, and discloses a soil removal sampling device for saline soil disease control, which comprises a sampling barrel and a support component for supporting the sampling barrel, the support component comprises a support rod and a support plate, the support rod is rotatably connected with the sampling barrel, and the support plate is rotatably connected with the support rod; the sampling device further comprises a supporting ring rotationally connected with the supporting plate, and the sampling rod penetrates through the supporting ring and is in threaded connection with the supporting ring; the hollow sampling rod is arranged in the sampling barrel, the driving assembly is used for driving the sampling rod to stretch out and retract, the air pump is communicated with the sampling rod through a first pipeline, and a one-way valve is arranged on the first pipeline; the vacuum pump is arranged above the sampling barrel; the vacuum pump is communicated with the sampling barrel through a second pipeline; according to the scheme, high-pressure gas generated by the air pump is used for directly blowing the surface soil of the salinized soil, so that the surface soil is removed; the salinized soil sampling device solves the problem of removing surface soil during salinized soil sampling.

Description

Technical Field

[0001] The present invention belongs to the technical field of soil sampling, and specifically relates to a soil sampling device for preventing and controlling saline soil diseases. Background Art

[0002] As a type of soil, saline soil is also composed of three phases: solid phase, liquid phase, and gas phase. However, in addition to soil particles, the solid phase of saline soil also contains a large number of salt particles; the liquid phase is no longer water in the traditional sense, but a salt solution containing a large number of soluble salts; there is a dynamic equilibrium between the salt solution and the soluble salts in the soil particles that moves with changes in external conditions (such as temperature, humidity, human factors, etc.). It is precisely the existence of this fundamental reason that when saline soil is used as roadbed filler, if it is not handled properly, special engineering diseases will occur. Therefore, it is necessary to sample and analyze the saline soil used as roadbed material.

[0003] The document with the existing publication (announcement) number CN116839973A discloses a saline soil detection sampling device, including a sampling cylinder, a telescopic assembly, a plurality of side shovels and a rotary drive device, wherein the lower end of the sampling cylinder is open, the upper end of the sampling cylinder is fixedly connected to the telescopic end of the telescopic assembly, the telescopic assembly is used to be fixed on a support frame, a plurality of the side shovels are arranged at equal intervals along the circumference of the sampling cylinder, the rotary drive device can drive a plurality of the side shovels to rotate around the central axis of the sampling cylinder, the side shovel includes an upper shovel part and a lower shovel part that are fixedly connected, the upper shovel part is spaced apart from the outer side wall of the sampling cylinder, the distance between the lower shovel part and the central axis of the sampling cylinder is less than the inner radius of the sampling cylinder, the lower shovel part is used to separate the sampled soil from the surrounding soil, and the upper shovel part is used to expand the distance between the sampled soil and the surrounding soil.

[0004] The above device uses a number of rotatable side shovels arranged outside the sampling cylinder, so that the sampled soil maintains the original stratification and continuously enters the sampling cylinder, and the sampled soil maintains the original stratification state, thereby improving the accuracy of the test. However, when sampling and analyzing saline soil, the surface soil is usually not collected. The reason is that the surface soil is directly exposed to the atmospheric environment and is easily affected by weathering and evaporation. Weathering will cause changes in the surface soil particles, and evaporation will change the moisture and salt concentration of the soil. Therefore, these characteristics of the surface soil may not accurately reflect the overall condition and properties of the saline soil.

[0005] In order to obtain more representative and reliable analysis results, saline soil sampling is usually carried out at a certain depth to ensure that the samples can truly reflect the salinization degree of the soil layer and the physical and mechanical properties of the soil. Deep soil is relatively less affected by surface processes and can better represent the original state of the soil. By collecting deep soil samples, the performance of saline soil roadbed fillers can be more accurately evaluated, providing a more reliable basis for engineering design and construction. Utility Model Content

[0006] The purpose of this scheme is to provide a soil sampling device for the prevention and control of saline soil diseases, so as to solve the problem of removing the surface soil in saline soil sampling.

[0007] In order to achieve the above-mentioned purpose, the present invention provides a soil sampling device for preventing and controlling saline soil diseases, comprising a sampling barrel and a supporting assembly for supporting the sampling barrel, a hollow sampling rod arranged in the sampling barrel and a driving assembly for driving the sampling rod to extend and retract, and further comprising:

[0008] An air pump is connected to the sampling rod through a first pipeline.

[0009] The principle of this solution is that when the driving component drives the sampling rod to extend to contact the soil surface, the air pump is started, and the high-pressure gas generated by the air pump enters the hollow sampling rod through the first pipe, so that the gas is ejected from the head end of the sampling rod (the end closest to the soil surface), thereby spraying away the soil on the surface of the saline soil.

[0010] The effects of this solution are as follows: (1) By using the high-pressure gas generated by the air pump to directly spray the surface soil of the saline soil, the surface soil is removed, avoiding the interference of the surface soil, which is more affected by external environmental factors, on the deep soil. (2) The use of the jet method avoids the damage to the soil structure and sample contamination that may be caused by mechanical sampling. (3) After the sampling is completed, the inner wall of the sampling rod will adhere to the saline soil, which will cause contamination to the soil sampled again when the device is used for sampling for the second time. Therefore, after the sampling rod is retracted, the air pump can be started again to generate gas to spray the soil remaining inside the sampling rod.

[0011] Furthermore, a one-way valve is provided on the first pipeline.

[0012] The principle and effect of this solution is to make the gas generated by the air pump flow in a preset direction.

[0013] Furthermore, it also includes a vacuum pump arranged above the sampling barrel, and the vacuum pump is connected to the sampling barrel through a second pipe.

[0014] The principle and effect of this scheme are as follows: (1) After the soil collected by the sampling rod is placed in the sampling bucket, the air in the sampling bucket is sucked out by a vacuum pump to make the inside of the bucket a vacuum state. (2) The main purpose of placing the soil in a vacuum environment during the sampling of saline soil is to reduce the evaporation of water and maintain the original moisture content and structure of the soil. The moisture state of the soil has a significant impact on its properties, especially in special soils such as saline soil. The loss of water may lead to changes in salt concentration and affect the degree of soil salinization. Under vacuum conditions, the evaporation rate of water is reduced, which helps to maintain the original moisture conditions of the soil sample, thereby providing accurate data for subsequent laboratory tests and soil property analysis.

[0015] Furthermore, the support assembly includes a support rod and a support plate, the support rod is rotatably connected to the sampling barrel, and the support plate is rotatably connected to the support rod; it also includes a support ring rotatably connected to the support plate, the sampling rod passes through the support ring and is threadedly connected to the support ring.

[0016] The principle and effect of this solution are: the sampling barrel is supported and fixed by the support rod and the support plate, the sampling rod is supported and fixed by the support ring, and the movement of the sampling rod is provided with positioning and guiding functions.

[0017] Furthermore, the number of the support rods matches the number of the support plates, and the number of the support rods is multiple.

[0018] The principle and effect of this solution is that multiple support rods and support plates are provided to provide more stable support for the sampling barrel and the sampling rod.

[0019] Furthermore, the driving assembly includes a gear ring, a gear and a motor, the gear ring is inserted into the lower part of the sampling barrel, the gear ring is threadedly connected to the sampling rod, the gear ring is meshed with the gear, and the gear is fixedly connected to the output end of the motor.

[0020] The principle and effect of this solution are: the motor drives the gear to rotate, thereby driving the gear ring to rotate, and the rotation of the gear ring drives the sampling rod to rotate circumferentially, so that the sampling rod rotates and extends into the soil to take samples.

[0021] Furthermore, the outer wall of the sampling rod is provided with threads.

[0022] The principle and effect of this solution are that it is easy to insert the sampling rod into the soil for sampling.

[0023] Furthermore, the first pipe is communicated with the end of the sampling rod.

[0024] The principle and effect of this solution is that the gas generated by the air pump can cover the inner wall of the entire sampling rod, thereby cleaning the soil remaining on the inner wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of a soil sampling device for preventing and controlling saline soil diseases in the utility model. Figure 1 ;

[0026] Figure 2 This is a schematic diagram of the structure of a soil sampling device for preventing and controlling saline soil diseases in the utility model. Figure 2 ;

[0027] Figure 3 It is a structural schematic diagram of the sampling rod, the first pipeline and the one-way valve of the utility model.

[0028] The names of the corresponding marks in the accompanying drawings are: sampling barrel 1, support assembly 2, support rod 21, support plate 22, support ring 23, sampling rod 3, drive assembly 4, gear ring 41, gear 42, motor 43, first pipeline 5, one-way valve 6, vacuum pump 7. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the concept and technical effects of the utility model in combination with the embodiments, so as to fully understand the purpose, features and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model:

[0030] Embodiment 1:

[0031] See also Figure 1 and Figure 2 A soil sampling device for preventing and controlling saline soil diseases comprises a sampling barrel 1 and a support assembly 2 arranged below the sampling barrel 1. The support assembly 2 comprises three groups of support rods 21 and support plates 22. One end of the support rod 21 is hinged to the side wall of the sampling barrel 1, and the support plate 22 is hinged to the other end of the support rod 21. It also comprises a support ring 23 hinged to the support plate 22. A sampling rod 3 is inserted into the support ring 21. The outer wall of the sampling rod 3 is provided with threads, which facilitates the sampling rod 3 to be inserted and extended into the soil for sampling. The sampling rod 3 is threadedly connected to the support ring 21, and the other end of the support rod 21 is arranged in the sampling barrel 1. The sampling barrel 1 is supported and fixed by multiple groups of support rods 21 and support plates 22, and the sampling rod 3 is supported and fixed by the support ring 21, and the movement of the sampling rod 3 is provided with positioning and guiding functions.

[0032] The drive assembly 4 for driving the sampling rod 3 to extend and retract is also included. The drive assembly 4 is arranged on the side wall of the sampling barrel 1. The drive assembly 4 includes a gear ring 41, a gear 42 and a motor 43. The gear ring 41 is inserted into the lower part of the sampling barrel 1. The gear ring 41 is threadedly connected with the sampling rod 3. The gear ring 41 is meshed with the gear 42. The gear 42 is fixedly connected with the output end of the motor 43. The motor 43 drives the gear 42 to rotate, thereby driving the gear ring 41 to rotate. The rotation of the gear ring 41 drives the sampling rod 3 to rotate circumferentially, so that the sampling rod 3 rotates and extends into the soil for sampling.

[0033] See also Figure 3 The sampling rod 3 is a hollow structure, and the end of the sampling rod 3 is connected to a first pipe 5, and the sampling rod 3 is connected to an air pump (not shown in the figure) through the first pipe 5; when the motor 43 drives the sampling rod 3 to extend to contact the soil surface, the air pump is started, and the high-pressure gas generated by the air pump enters the hollow sampling rod 3 through the first pipe 5, so that the gas is ejected from the head end of the sampling rod 3 (the end closest to the soil surface), thereby spraying away the soil on the surface of the saline soil. When the sampling is completed, the inner wall of the sampling rod 3 will adhere to the saline soil, and when the device is used for sampling for the second time, it will cause pollution to the soil sampled for the second time. Therefore, after the sampling rod 3 is retracted, the air pump can be started again to generate gas to spray the soil remaining inside the sampling rod 3. In order to make the gas generated by the air pump flow in a preset direction, a one-way valve 6 is provided on the first pipe 5.

[0034] Embodiment 2:

[0035] See also Figure 1 The difference between this embodiment and the previous embodiment is that it also includes a vacuum pump 7 arranged above the sampling barrel 1, and the vacuum pump 7 is connected to the sampling barrel 1 through a second pipe. In the process of sampling saline soil, the sampled soil needs to be placed in a vacuum environment, the purpose of which is to reduce the evaporation of water and maintain the original moisture content and structure of the soil. The moisture state of the soil has a significant impact on its properties. Especially in special soils such as saline soil, the loss of water may lead to changes in salt concentration and affect the degree of salinization of the soil. Under vacuum conditions, the evaporation rate of water is reduced, which helps to maintain the original moisture conditions of the soil sample, thereby providing accurate data for subsequent laboratory tests and soil property analysis. Therefore, when the soil collected by the sampling rod 3 is placed in the sampling barrel 1, the air in the sampling barrel 1 is evacuated by the vacuum pump 7, so that the inside is in a vacuum state, so as to reduce the evaporation of water inside the saline soil.

[0036] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A soil sampling device for preventing and controlling saline soil diseases, comprising a sampling barrel (1) and a support assembly (2) for supporting the sampling barrel (1), and also comprising a hollow sampling rod (3) arranged in the sampling barrel (1) and a driving assembly (4) for driving the sampling rod (3) to extend and retract, characterized in that: Also includes: An air pump is connected to the sampling rod (3) through a first pipeline (5).

2. The soil sampling device for preventing and controlling saline soil diseases according to claim 1 is characterized by: A one-way valve (6) is provided on the first pipeline (5).

3. The soil sampling device for preventing and controlling saline soil diseases according to claim 1 is characterized by: It also comprises a vacuum pump (7) arranged above the sampling barrel (1), wherein the vacuum pump (7) is connected to the sampling barrel (1) via a second pipe.

4. The soil sampling device for preventing and controlling saline soil diseases according to claim 1 is characterized by: The support assembly (2) comprises a support rod (21) and a support plate (22), wherein the support rod (21) is rotatably connected to the sampling barrel (1), and the support plate (22) is rotatably connected to the support rod (21); and further comprises a support ring (23) rotatably connected to the support plate (22), wherein the sampling rod (3) passes through the support ring (23) and is threadedly connected to the support ring (23).

5. The soil sampling device for preventing and controlling saline soil diseases according to claim 4 is characterized by: The number of the support rods (21) matches the number of the support plates (22), and the number of the support rods (21) is plural.

6. The soil sampling device for preventing and controlling saline soil diseases according to claim 1 is characterized by: The driving assembly (4) comprises a gear ring (41), a gear (42) and a motor (43); the gear ring (41) is disposed through the lower portion of the sampling barrel (1); the gear ring (41) is threadedly connected to the sampling rod (3); the gear ring (41) is meshed with the gear (42); and the gear (42) is fixedly connected to an output end of the motor (43).

7. The soil sampling device for preventing and controlling saline soil diseases according to claim 1 is characterized by: The outer wall of the sampling rod (3) is provided with threads.

8. The soil sampling device for preventing and controlling saline soil diseases according to claim 1 is characterized by: The first pipe (5) is in communication with the end of the sampling rod (3).

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