Soil nitrogen content measuring device

Abstract

The utility model discloses a soil nitrogen content measuring device which comprises a detection box, a groove is formed in the bottom of the detection box, a threaded sleeving mechanism is arranged in the groove, a soil placing box is hinged to the bottom of the threaded sleeving mechanism, a second liquid box is fixedly connected to the top of the threaded sleeving mechanism, and a first liquid box is fixedly connected to the bottom of the second liquid box. One side of the second liquid box is fixedly connected with the first liquid box, and the soil placing box is driven to ascend and descend through the threaded sleeving mechanism, so that after a soil sample is crushed, the soil sample is sequentially mixed with a potassium chromium sulfate solution and a ferrous sulfide solution which are respectively placed in the first liquid box and the second liquid box, and the nitrogen content of the soil is measured. Therefore, the efficiency of soil nitrogen content detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of soil measuring devices, in particular to a soil nitrogen content measuring device. Background Art

[0002] Soil is the main nitrogen source for crop growth. Quantitative measurement of soil nitrogen is of great significance for guiding the rational fertilization of cultivated land, promoting the growth and development of crops, improving crop production efficiency, and achieving high-yield, stable, low-cost, and environmentally friendly precision agriculture.

[0003] However, the existing soil nitrogen content measuring device requires testers to bring soil samples to the laboratory for testing. The soil nitrogen content test only requires crushing the soil and mixing it with potassium chromium sulfate solution, and then shaking the mixture with ferrous sulfide solution. The operation is simple. If there are many soil testing locations, then the samples must be brought to the laboratory for testing, and the testing efficiency will be low. Once the samples are damaged during transportation, re-sampling will be required.

[0004] Therefore, it is necessary to design a soil nitrogen content measuring device to solve this problem. Utility Model Content

[0005] In view of the above technical problems, the purpose of the utility model is to provide a soil nitrogen content measuring device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A soil nitrogen content measuring device comprises a detection box, a groove is formed at the bottom of the detection box, a threaded sleeve mechanism is arranged inside the groove, a soil placement box is hinged at the bottom of the threaded sleeve mechanism, a second liquid box is fixedly connected to the top of the threaded sleeve mechanism, a first liquid box is fixedly connected to one side of the second liquid box, a device box is fixedly connected to the top of the detection box, a motor is fixedly connected to the top of the device box, a rotating column is fixedly connected to the output shaft of the motor, another rotating column is rotatably arranged at the top of the inner cavity of the device box, gears are fixedly sleeved on the outer surfaces of the two rotating columns, the two gears are meshed, rotating blocks are fixedly connected to the bottom ends of the two rotating columns, and a plurality of crushing columns are fixedly connected to the bottoms of the two rotating blocks.

[0008] Preferably, in order to facilitate the lifting and lowering of the soil placement box inside the groove, the threaded sleeve mechanism includes a bidirectional threaded rod and a turntable, the bidirectional threaded rod is threadedly inserted into the inside of the groove, and one end of the bidirectional threaded rod passes through the outside of the detection box, and the turntable is fixed to the outer end of the bidirectional threaded rod, both ends of the bidirectional threaded rod are threadedly sleeved with threaded sleeve blocks, both ends of the soil placement box are fixed with two fixed blocks, and an articulated block is hinged between the two fixed blocks on the same side, and one end of the two articulated blocks are connected to the bottom of the two threaded sleeve blocks.

[0009] Preferably, in order to facilitate the sliding of the threaded sleeve block inside the groove, the threaded sleeve block is a square block with a U-shaped opening at the bottom, and the tops of the two threaded sleeve blocks are both in contact with the top of the groove.

[0010] Preferably, in order to facilitate the sliding of the second liquid box and the first liquid box, the second liquid box is fixed to the top of a threaded sleeve, and the first liquid box is fixed to the outer surface of the second liquid box on one side of another threaded sleeve, and the second liquid box and the first liquid box are both slidably inserted into the interior of the detection box.

[0011] Preferably, in order to facilitate the threaded sleeve to drive the second liquid box to slide synchronously, the width of the threaded sleeve is greater than the width of the second liquid box.

[0012] Preferably, in order to facilitate carrying of the device, the two rotating columns are respectively located on both sides of the second liquid box, and handles are fixedly connected to the top of the detection box on both sides of the device box.

[0013] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0014] The utility model drives the lifting and lowering of the soil placing box through a threaded sleeve mechanism, so that after the soil sample is crushed, it is successively mixed with the potassium chromium sulfate solution and the ferrous sulfide solution respectively placed in the first liquid box and the second liquid box, so as to realize the measurement of the nitrogen content of the soil, thereby improving the efficiency of the soil nitrogen content detection.

[0015] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation mode; and the parts not involved in the utility model are the same as the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0017] Figure 1It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a side view structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure decomposition of the detection box of the utility model;

[0020] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0021] Description of Reference Numerals

[0022] 1. Detection box; 2. Turntable; 3. Handle; 4. Equipment box; 5. Motor; 6. First liquid box; 7. Bidirectional threaded rod; 8. Second liquid box; 9. Threaded sleeve block; 10. Soil placement box; 11. Fixed block; 12. Articulated block; 13. Gear; 14. Rotating column; 15. Rotating block; 16. Crushing column. DETAILED DESCRIPTION

[0023] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0024] In the present utility model, unless otherwise stated, directional words such as "upper, lower, inside, outside" contained in a term merely represent the orientation of the term in normal use, or are common names understood by those skilled in the art, and should not be regarded as limitations on the term.

[0025] See also Figure 1-4The utility model provides a soil nitrogen content measuring device: comprising a detection box 1, a groove is provided at the bottom of the detection box 1, a threaded sleeve mechanism is arranged inside the groove, a soil placement box 10 is hingedly connected to the bottom of the threaded sleeve mechanism, a second liquid box 8 is fixedly connected to the top of the threaded sleeve mechanism, a first liquid box 6 is fixedly connected to one side of the second liquid box 8, a device box 4 is fixedly connected to the top of the detection box 1, a motor 5 is fixedly connected to the top of the device box 4, a rotating column 14 is fixedly connected to the output shaft of the motor 5, another rotating column 14 is rotatably arranged at the top of the inner cavity of the device box 4, gears 13 are fixedly sleeved on the outer surfaces of the two rotating columns 14, the two gears 13 are meshed, the bottom ends of the two rotating columns 14 are fixedly connected to rotating blocks 15, the bottoms of the two rotating blocks 15 are fixedly connected to a plurality of crushing columns 16, and the device When carried to the soil collection site, the hinged soil placement box 10 is placed outside the groove through the threaded sleeve mechanism. At this time, the first liquid box 6 will extend to the outside of the detection box 1 as the soil placement box 10 descends. First, the soil to be tested is placed inside the soil placement box 10, and then the soil placement box 10 is put back to the original position. By turning on the motor 5, the two rotating columns 14 are rotated, and the soil is crushed by multiple crushing columns 16. Then, the soil placement box 10 is sent out of the groove. The first liquid box 6 still slides out of the detection box 1, and the potassium chromium sulfate solution placed in the detection box 1 in advance is taken out and mixed with the crushed soil. Then the ferrous sulfide solution in the threaded sleeve block 9 is taken out and mixed with the previous solution, so as to measure the nitrogen content of the soil, improve the measurement efficiency, and make the device portable.

[0026] Furthermore, the threaded sleeve mechanism includes a bidirectional threaded rod 7 and a turntable 2, the bidirectional threaded rod 7 is threadedly inserted into the interior of the groove, and one end of the bidirectional threaded rod 7 passes through the outside of the detection box 1, and the turntable 2 is fixed to the outer end of the bidirectional threaded rod 7, both ends of the bidirectional threaded rod 7 are threadedly sleeved with threaded sleeve blocks 9, and both ends of the soil placement box 10 are fixed with two fixed blocks 11, and a hinge block 12 is hinged between the two fixed blocks 11 on the same side, and one end of the two hinge blocks 12 is connected to the bottom of the two threaded sleeve blocks 9, so that by rotating the turntable 2 and utilizing the rotation of the bidirectional threaded rod 7, the two threaded sleeve blocks 9 are moved apart or toward each other, thereby utilizing the rotation of the two hinge blocks 12 to drive the soil placement box 10 to rise and fall inside the groove.

[0027] Furthermore, the threaded sleeve 9 is a square block with a U-shaped opening at the bottom, and the tops of the two threaded sleeves 9 are both in contact with the tops of the grooves, which facilitates the sliding of the threaded sleeves 9 inside the grooves and the rotation of the two hinged blocks 12 at the bottoms of the two threaded sleeves 9.

[0028] Furthermore, the second liquid box 8 is fixedly connected to the top of a threaded sleeve 9, and the first liquid box 6 is fixedly connected to the outer surface of the second liquid box 8 on the other side of the threaded sleeve 9. The second liquid box 8 and the first liquid box 6 are both slidably inserted into the interior of the detection box 1, so that the second liquid box 8 and the first liquid box 6 can slide synchronously inside the detection box 1 following the sliding of a threaded sleeve 9.

[0029] Furthermore, the width of the threaded sleeve 9 is greater than the width of the second liquid box 8 , which facilitates the sliding of the two threaded sleeves 9 in the grooves and facilitates the sliding of the second liquid box 8 inside the detection box 1 .

[0030] Furthermore, the two rotating columns 14 are respectively located on both sides of the second liquid box 8, and the top of the detection box 1 is fixed with handles 3 on both sides of the device box 4, so as to facilitate the carrying of the device.

[0031] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0032] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0033] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A soil nitrogen content measuring device, comprising a detection box (1), characterized in that: The bottom of the detection box (1) is provided with a groove, the interior of the groove is provided with a threaded sleeve mechanism, the bottom of the threaded sleeve mechanism is hinged with a soil placement box (10), the top of the threaded sleeve mechanism is fixedly connected to a second liquid box (8), one side of the second liquid box (8) is fixedly connected to a first liquid box (6), the top of the detection box (1) is fixedly connected to a device box (4), the top of the device box (4) is fixedly connected to a motor (5), the output shaft of the motor (5) is fixedly connected to a rotating column (14), the top of the inner cavity of the device box (4) is rotatably provided with another rotating column (14), the outer surfaces of the two rotating columns (14) are fixedly sleeved with gears (13), the two gears (13) are meshed with each other, the bottom ends of the two rotating columns (14) are fixedly connected to rotating blocks (15), and the bottoms of the two rotating blocks (15) are fixedly connected to a plurality of crushing columns (16).

2. A soil nitrogen content measuring device according to claim 1, characterized in that: The threaded sleeve mechanism comprises a bidirectional threaded rod (7) and a rotating disk (2); the bidirectional threaded rod (7) is threadedly inserted into the interior of the groove, and one end of the bidirectional threaded rod (7) passes through the exterior of the detection box (1); the rotating disk (2) is fixedly connected to one end of the exterior of the bidirectional threaded rod (7); both ends of the bidirectional threaded rod (7) are threadedly sleeved with threaded sleeve blocks (9); both ends of the soil placement box (10) are fixedly connected with two fixed blocks (11); an articulated block (12) is articulated between the two fixed blocks (11) on the same side; one end of the two articulated blocks (12) is connected to the bottom of the two threaded sleeve blocks (9).

3. A soil nitrogen content measuring device according to claim 2, characterized in that: The threaded sleeve block (9) is a square block with a U-shaped opening at the bottom, and the tops of the two threaded sleeve blocks (9) are both in contact with the tops of the grooves.

4. A soil nitrogen content measuring device according to claim 1, characterized in that: The second liquid box (8) is fixedly connected to the top of a threaded sleeve (9), and the first liquid box (6) is fixedly connected to the outer surface of the second liquid box (8) on one side of another threaded sleeve (9), and the second liquid box (8) and the first liquid box (6) are both slidably inserted into the interior of the detection box (1).

5. A soil nitrogen content measuring device according to claim 4, characterized in that: The width of the threaded sleeve (9) is greater than the width of the second liquid box (8).

6. A soil nitrogen content measuring device according to claim 1, characterized in that: The two rotating columns (14) are respectively located on both sides of the second liquid box (8), and the top of the detection box (1) is fixedly connected with handles (3) on both sides of the device box (4).

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