Soil detection device for laboratory

Abstract

The utility model relates to the technical field of soil detection, in particular to a laboratory soil detection device which comprises a scraping plate, a preparation plate and a pressurizing assembly, the lower surface of the scraping plate is fixedly connected with a friction plate, the lower surface of the friction plate is in contact with the upper surface of the preparation plate, a plurality of standard grooves are formed in the upper surface of the preparation plate, and standard blocks are arranged in the standard grooves. The upper surfaces of the standard blocks are flush with the upper surface of the preparation plate, preparation grooves are formed in the upper surfaces of the standard blocks, the pressurizing assembly makes contact with the upper surface of the scraper blade, and the two side faces of the preparation plate are each connected with a sliding way. The friction plate is tightly attached to the preparation plate through the pressurization assembly, then the scraper blade is moved to remove redundant powder on the preparation plate, at the moment, soil in each preparation groove represents a standard unit, it is guaranteed that the unit volume of the taken soil is the same in each time of detection, and it is not needed that the soil is metered many times by an operator.

Description

Technical Field

[0001] The utility model relates to a soil detection device, in particular to a soil detection device for laboratory use, and belongs to the technical field of soil detection. Background Art

[0002] Soil testing equipment is an instrument used to evaluate and analyze the physical, chemical, biological properties and environmental quality of soil. These devices can measure and analyze the chemical composition of soil samples, and further detect the content of nitrogen, phosphorus, potassium and medium and trace elements to determine their composition and structure. If necessary, they can also perform qualitative and quantitative analysis on specific components in the soil to evaluate their content and distribution status. Laboratory soil testing equipment usually includes various types, such as portable soil samplers, geotechnical centrifuges, Kjeldahl nitrogen analyzers, etc. These devices can perform various measurements and analyses on soil samples in a laboratory environment, and provide information on soil quality, nutrient status and other related parameters.

[0003] In order to obtain the changes in soil data of a certain area, multiple sampling will be carried out in the same area at different times. The time interval between each test is from a few days to a month. During the test process, the soil put into different testing instruments is manually measured, which will take a lot of time. At the same time, due to the inaccuracy of unit volume control during manual measurement, the detection error may increase.

[0004] Therefore, there is an urgent need to improve a laboratory soil testing device to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a soil testing device for laboratory use. First, dry soil powder to be tested is laid on a preparation plate, and then a pressure component is used to ensure that the friction plate and the preparation plate are closely fitted, and then a scraper is moved to remove excess powder on the preparation plate. At this time, the soil in each preparation groove represents a standard unit. Finally, the preparation plate is sent to a testing instrument for testing, or an operator directly extracts a standard block for use, so that the unit volume of the soil taken is the same during each test, and the operator does not need to measure it multiple times.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0007] A soil detection device for laboratory use, comprising a scraper, a preparation plate and a pressurizing component, wherein a friction plate is fixedly connected to the lower surface of the scraper, the lower surface of the friction plate is in contact with the upper surface of the preparation plate, a plurality of standard grooves are provided on the upper surface of the preparation plate, a plurality of standard grooves are provided with standard blocks, the outer surface of the standard block and the inner surface of the standard groove are in conflict with each other, and the upper surface of the standard block is flush with the upper surface of the preparation plate, a plurality of upper surfaces of the standard blocks are provided with preparation grooves, the pressurizing component is in contact with the upper surface of the scraper, two side surfaces of the preparation plate are respectively connected with a slideway, one end of two slideways is commonly connected with a rear fixing plate, and the other end of two slideways is commonly connected with a soil analyzer.

[0008] Preferably, the pressure assembly includes a pressure plate, two triangular plates and a rotating shaft, the lower surface of the pressure plate is in contact with the upper surface of the scraper plate, the two ends of the upper surface of the pressure plate are respectively rotatably connected to one of the corners of the two triangular plates, the other corners of the two triangular plates are respectively fixedly connected to round rods, the outer surfaces of the two round rods are respectively sleeved with a plurality of counterweights, the last corners of the two triangular plates are rotatably connected to the rotating shaft, the two ends of the rotating shaft are respectively rotatably connected to pressure assembly mounting plates, and the opposite sides of the two pressure assembly mounting plates are respectively fixedly connected with a slide groove.

[0009] Preferably, a C-shaped groove is provided on one side opposite to the two slide grooves, and the two C-shaped grooves are slidably connected to the scraper plate. The two C-shaped groove sides are respectively threaded with screw rods, and one end of the screw rod close to the C-shaped groove passes through the slide groove, and the other ends of the two screw rods pass through the rear fixed plate.

[0010] Preferably, the two C-shaped groove sides are respectively slidably connected to a guide rod, one end of the guide rod passes through the slide groove, and the other end of the guide rod is fixedly connected to the rear fixing plate.

[0011] Preferably, the rear fixed plate and the lower surfaces of the two slideways are fixedly connected to a base plate, a motor is fixedly installed at one end of the base plate, the output shaft of the motor is fixedly sleeved with two No. 1 pulleys, and one end of the screw rod close to the rear fixed plate is fixedly sleeved with a No. 2 pulley, and the No. 1 pulley is connected to the No. 2 pulley via a belt drive.

[0012] Preferably, a protective cover is fixedly connected to one end of the base plate close to the motor.

[0013] Preferably, one end of each of the slideways close to the rear fixed plate is fixedly connected with a stopper, and opposite sides of the two slideways are slidably connected with a waste soil collection box.

[0014] The utility model has at least the following beneficial effects:

[0015] 1. First, the operator spreads the dry soil powder to be tested on the preparation plate, then uses the pressure assembly to ensure that the friction plate and the preparation plate are in close contact, and then moves the scraper to remove the excess powder on the preparation plate. At this time, the soil in each preparation slot represents a standard unit. Finally, the preparation plate is sent to the testing instrument for testing, or the operator directly extracts the standard block for use. The unit volume of the soil taken is ensured to be the same in each test, and the operator does not need to measure it multiple times. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 An isometric structural schematic diagram provided for the utility model;

[0018] Figure 2 A top view provided for the utility model;

[0019] Figure 3 It is an isometric schematic diagram of the pressurizing assembly provided by the utility model;

[0020] Figure 4 It is a schematic diagram of the isometric structure of the transmission part provided by the utility model;

[0021] Figure 5 This is a partial isometric structural schematic diagram provided by the utility model.

[0022] In the figure, 1, scraper; 2, preparation plate; 3, pressurizing assembly; 4, friction plate; 5, standard groove; 6, standard block; 7, preparation groove; 8, slideway; 9, rear fixing plate; 10, soil analyzer; 11, pressurizing plate; 12, triangular plate; 13, rotating shaft; 14, round rod; 15, counterweight; 16, pressurizing assembly mounting plate; 17, slideway; 18, screw rod; 19, C-shaped groove; 20, guide rod; 21, bottom plate; 22, motor; 23, No. 1 pulley; 24, No. 2 pulley; 25, protective cover; 26, block; 27, waste soil collection box. DETAILED DESCRIPTION

[0023] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0024] like Figure 1-Figure 5As shown, the laboratory soil detection device provided by this embodiment includes a scraper 1, a preparation plate 2 and a pressurizing component 3. The scraper 1 is fixedly connected to a friction plate 4 on the lower surface, and the lower surface of the friction plate 4 contacts the upper surface of the preparation plate 2. A plurality of standard grooves 5 are provided on the upper surface of the preparation plate 2, and standard blocks 6 are arranged in the plurality of standard grooves 5. The outer surface of the standard block 6 and the inner surface of the standard groove 5 conflict with each other, and the upper surface of the standard block 6 is flush with the upper surface of the preparation plate 2. The pressurizing component 3 contacts the upper surface of the scraper 1 so that the friction plate and the preparation plate 2 are closely fitted, and the scraper 1 drives the friction plate to slide on the upper surface of the preparation plate 2. A slideway 8 is respectively connected to the two side surfaces of the preparation plate 2, and one end of the two slideways 8 is commonly connected to a rear fixing plate 9, and the other end of the two slideways 8 is commonly connected to a soil analyzer 10. Each standard block 6 can be removed separately, and a preparation groove 7 is provided on the upper surface of the plurality of standard blocks 6. The capacity of each preparation groove 7 is a unit volume. The preparation plate 2 can be directly slid into the soil analyzer 10, or a standard block 6 can be taken separately for detection.

[0025] Further, such as Figure 5 As shown, one end of the slide 8 close to the rear fixed plate 9 is fixedly connected with a stopper 26, and the opposite sides of the two slides 8 are slidably connected with a waste soil collection box 27, and the soil scraped by the scraper 1 will enter the waste soil collection box 27.

[0026] Among them, Figure 3 As shown, the pressure component 3 includes a pressure plate 11, two triangular plates 12 and a rotating shaft 13. The lower surface of the pressure plate 11 contacts the upper surface of the scraper 1. The two ends of the upper surface of the pressure plate 11 are rotatably connected to one of the corners of the two triangular plates 12. The other corners of the two triangular plates 12 are fixedly connected with round rods 14. The outer surfaces of the two round rods 14 are respectively sleeved with multiple counterweights 15. The last corner of the two triangular plates 12 is rotatably connected to the rotating shaft 13. The two ends of the rotating shaft 13 are rotatably connected with pressure component mounting plates 16. The opposite sides of the two pressure component mounting plates 16 are respectively fixedly connected with a slide groove 17. The counterweight 15 allows the pressure of the pressure component 3 to be adjusted to a suitable size according to the soil conditions. The forward-leaning round rod 14 makes the center of gravity of the counterweight located in front of the scraper 1.

[0027] Further, such as Figure 1 as well as Figure 4As shown, a C-shaped groove 19 is provided on the opposite side of the two slide grooves 17, and the two C-shaped grooves 19 are slidably connected to the scraper 1 together. The sides of the two C-shaped grooves 19 are respectively threaded with screw rods 18, and one end of the screw rod 18 close to the C-shaped groove 19 passes through the slide groove 17, and the other ends of the two screw rods 18 pass through the rear fixed plate 9. The sides of the two C-shaped grooves 19 are respectively slidably connected with a guide rod 20, one end of the guide rod 20 passes through the slide groove 17, and the other end of the guide rod 20 is fixedly connected to the rear fixed plate 9. Rotating the screw rod 18 can move the slide groove 17, and the slide groove 17 drives the scraper 1 and the pressure component 3 to move.

[0028] Further, such as Figure 2 as well as Figure 4 As shown, the rear fixed plate 9 and the lower surfaces of the two slideways 8 are fixedly connected with a base plate 21, one end of the base plate 21 is fixedly installed with a motor 22, the output shaft of the motor 22 is fixedly sleeved with two No. 1 pulleys 23, the end of the screw rod 18 close to the rear fixed plate 9 is fixedly sleeved with a No. 2 pulley 24, the No. 1 pulley 23 and the No. 2 pulley 24 are connected through belt transmission, the end of the base plate 21 close to the motor 22 is fixedly connected with a protective cover 25, the motor 22 drives the No. 1 pulley 23 to rotate, the No. 1 pulley 23 drives the No. 2 pulley 24 to rotate through belt transmission, and the No. 2 pulley 24 drives the screw rod 18 to rotate.

[0029] like Figure 1-Figure 5 As shown, the principle of the laboratory soil detection device provided by this embodiment is as follows: first, the operator lays the dry soil powder to be tested on the preparation plate 2, then rotates the pressure component 3 around the rotating shaft 13 to make the pressure plate 11 contact with the scraper 1, and then sets a suitable counterweight on the round rod 14 according to the soil conditions, starts the motor 22, the motor 22 drives the No. 1 pulley 23 to rotate, the No. 1 pulley 23 drives the No. 2 pulley 24 to rotate through the belt transmission, the No. 2 pulley 24 drives the screw rod 18 to rotate, the screw rod 18 moves the slide 17, the slide 17 drives the scraper 1 and the pressure component 3 to move, the scraper 1 drives the friction plate to slide on the preparation plate 2 to scrape the excess powder on the preparation plate 2 into the waste soil collection box 27, the two sides of the preparation plate 2 are respectively connected with a slide 8, and one end of the two slides 8 is commonly connected to the soil analyzer 10, the preparation plate 2 can be directly slid into the soil analyzer 10 or a standard block 6 can be taken separately for detection.

[0030] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0031] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0032] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A soil testing device for laboratory use, comprising a scraper (1), a preparation plate (2) and a pressurizing component (3), characterized in that: The lower surface of the scraper (1) is fixedly connected to a friction plate (4), the lower surface of the friction plate (4) is in contact with the upper surface of the preparation plate (2), the upper surface of the preparation plate (2) is provided with a plurality of standard grooves (5), each of the plurality of standard grooves (5) is provided with a standard block (6), the outer surface of the standard block (6) and the inner surface of the standard groove (5) are in contact with each other, and the upper surface of the standard block (6) is flush with the upper surface of the preparation plate (2), the upper surfaces of the plurality of standard blocks (6) are provided with a preparation groove (7), the pressurizing component (3) is in contact with the upper surface of the scraper (1), the two side surfaces of the preparation plate (2) are respectively connected with a slideway (8), one end of the two slideways (8) is commonly connected with a rear fixing plate (9), and the other end of the two slideways (8) is commonly connected with a soil analyzer (10).

2. A soil testing device for laboratory use according to claim 1, characterized in that: The pressurizing assembly (3) comprises a pressurizing plate (11), two triangular plates (12) and a rotating shaft (13); the lower surface of the pressurizing plate (11) contacts the upper surface of the scraper (1); the two ends of the upper surface of the pressurizing plate (11) are respectively rotatably connected to one of the corners of the two triangular plates (12); the other corners of the two triangular plates (12) are respectively fixedly connected to round rods (14); the outer surfaces of the two round rods (14) are respectively sleeved with a plurality of counterweights (15); the last corners of the two triangular plates (12) are rotatably connected to the rotating shaft (13); the two ends of the rotating shaft (13) are respectively rotatably connected to pressurizing assembly mounting plates (16); the two opposite sides of the two pressurizing assembly mounting plates (16) are respectively fixedly connected to slide grooves (17).

3. A soil testing device for laboratory use according to claim 2, characterized in that: A C-shaped groove (19) is provided on one side opposite to the two slide grooves (17), and the two C-shaped grooves (19) are slidably connected to the scraper (1) together. The sides of the two C-shaped grooves (19) are threadedly connected to a screw rod (18), and one end of the screw rod (18) close to the C-shaped groove (19) passes through the slide groove (17), and the other ends of the two screw rods (18) pass through the rear fixing plate (9).

4. A soil testing device for laboratory use according to claim 3, characterized in that: The sides of the two C-shaped grooves (19) are both slidably connected with guide rods (20), one end of the guide rod (20) passes through the slide groove (17), and the other end of the guide rod (20) is fixedly connected to the rear fixing plate (9).

5. A soil testing device for laboratory use according to claim 3, characterized in that: The rear fixed plate (9) and the lower surfaces of the two slideways (8) are fixedly connected to a bottom plate (21); a motor (22) is fixedly mounted on one end of the bottom plate (21); an output shaft of the motor (22) is fixedly sleeved with two first belt pulleys (23); an end of the screw rod (18) close to the rear fixed plate (9) is fixedly sleeved with a second belt pulley (24); the first belt pulley (23) and the second belt pulley (24) are connected via a belt transmission.

6. A soil testing device for laboratory use according to claim 5, characterized in that: A protective cover (25) is fixedly connected to one end of the bottom plate (21) close to the motor (22).

7. A soil testing device for laboratory use according to claim 1, characterized in that: One end of each of the slideways (8) close to the rear fixed plate (9) is fixedly connected to a stopper (26), and opposite sides of the two slideways (8) are slidably connected to a waste soil collection box (27).

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