Drying oven for detecting water content of soil

Abstract

The utility model discloses a drying oven for soil moisture content detection, which comprises a drying box, a plurality of electric heating tubes are symmetrically mounted in the drying box, a placing box is fixedly mounted in the drying box, a first lead screw sleeve is slidably connected in the drying box, and the drying box drives the first lead screw sleeve to slide back and forth through a driving mechanism. A first lead screw sleeve is arranged on the top face of the drying box, a cutting rod is slidably connected to the first lead screw sleeve and located in the containing box, the first lead screw sleeve drives the cutting rod to slide through a reciprocating mechanism, and a plurality of fan blades are arranged on the top face of the drying box and connected with a driving mechanism through a synchronizing mechanism. The cutting rod reciprocates in the X direction and the Y direction in the containing box, so that the interior of the soil is exposed, insufficient drying is avoided, the measurement result is more accurate, meanwhile, the surface of the soil can be synchronously air-dried, and the drying speed is increased.

Description

Technical Field

[0001] The utility model relates to the field of drying ovens for detecting moisture content, in particular to a drying oven for detecting soil moisture content. Background Art

[0002] The drying oven for soil moisture content detection is a device specially used for soil moisture determination. It can quickly and evenly heat and dry soil samples to remove moisture, while ensuring that the moisture in the soil is completely removed, so as to accurately measure the dry weight of the soil, and then calculate the moisture content of the soil, providing accurate data support for soil research and related applications.

[0003] When testing soil in an existing soil moisture content testing oven, the soil is usually spread out manually in the oven and then heated and dried by an electric heating tube. However, during the drying process, the soil is static and has a certain viscosity that causes the soil to stick together, resulting in soil agglomeration. As a result, the soil inside is heated unevenly and part of the soil cannot be fully dried, which affects the accuracy of the test results. Utility Model Content

[0004] The utility model aims to solve the problems in the background technology and provides an oven for detecting soil moisture content.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A drying oven for detecting soil moisture content, comprising a drying box, wherein a plurality of electric heating tubes are symmetrically installed in the drying box, a placement box is fixedly installed in the drying box, a first screw sleeve is slidably connected in the drying box, the drying box drives the first screw sleeve to reciprocate through a driving mechanism, a cutting rod is slidably connected to the first screw sleeve, and the cutting rod is located in the placement box, the first screw sleeve drives the cutting rod to slide through a reciprocating mechanism, a plurality of fan blades are provided on the top surface of the drying box, and the plurality of fan blades are connected to the driving mechanism through a synchronization mechanism.

[0007] Preferably, the driving mechanism includes a first motor, and the first motor is fixedly installed on the outside of the drying box. The output shaft of the first motor passes through the drying box and is connected to a first reciprocating screw, and the first reciprocating screw is threadedly connected to the first screw sleeve. A limit rod is fixedly installed in the drying box, and the first screw sleeve is slidably connected to the limit rod.

[0008] Preferably, the reciprocating mechanism includes a second motor, and the second motor is fixedly mounted on the top surface of the first screw sleeve, the top surface of the first screw sleeve is rotatably connected to a second reciprocating screw, and the second reciprocating screw is connected to the output shaft of the second motor, the second reciprocating screw is threadedly connected to a second screw sleeve, and the second screw sleeve is slidably connected to the first screw sleeve, and the cutting rod is fixedly mounted on the bottom surface of the second screw sleeve.

[0009] Preferably, the synchronization mechanism includes a synchronization shaft, and the synchronization shaft is rotatably connected to the top surface of the drying box, and one end of the synchronization shaft and the first reciprocating screw are both equipped with synchronization wheels, and the two synchronization wheels are jointly sleeved with a synchronization belt, and the other end of the synchronization shaft is equipped with a driving bevel gear, and the top surface of the drying box is rotatably connected to an auxiliary shaft, and the auxiliary shaft passes through the drying box and extends outward, and a plurality of fan blades are fixedly installed on the outside of the auxiliary shaft, and a driven bevel gear is installed on the other end of the auxiliary shaft away from the fan blades, and the driving bevel gear is meshed with the driven bevel gear.

[0010] Preferably, a limiting groove is provided on the first screw sleeve, and the limiting groove is square in shape, and the second screw sleeve is slidably connected in the limiting groove.

[0011] Preferably, the pitch circle diameter of the driving bevel gear is larger than the pitch circle diameter of the driven bevel gear.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes the purpose of cutting the soil lumps inside the placement box by arranging the first reciprocating screw, the second reciprocating screw and other devices, so that the cutting rod can realize the reciprocating motion in the X and Y directions in the placement box, thereby exposing the inside of the soil, thereby avoiding insufficient drying and making the measurement result more accurate.

[0014] 2. The utility model realizes that while the first reciprocating screw rotates, a plurality of fan blades on the top wall of the drying box rotate, thereby air-drying the soil surface and accelerating the drying speed by setting a synchronous wheel, a synchronous belt, a first bevel gear, a second bevel gear and other devices.

[0015] In summary, the utility model is easy to operate when in use. The cutting rod realizes reciprocating motion in the X and Y directions in the placement box, so that the inside of the soil is exposed, thereby avoiding insufficient drying and making the measurement result more accurate. At the same time, the soil surface can be air-dried synchronously to speed up the drying speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a drying oven for detecting soil moisture content proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of a drying oven for detecting soil moisture content proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the second screw sleeve connection structure of a drying oven for detecting soil moisture content proposed by the utility model;

[0019] Figure 4The utility model is a schematic diagram of the fan blade connection structure of an oven for detecting soil moisture content.

[0020] In the figure: 1 drying box, 2 first motor, 3 synchronous wheel, 4 synchronous belt, 5 synchronous shaft, 6 first reciprocating screw, 7 placement box, 8 cutting rod, 9 limit rod, 10 electric heating tube, 11 first screw sleeve, 12 second motor, 13 second screw sleeve, 14 second reciprocating screw, 15 limit groove, 16 driving bevel gear, 17 driven bevel gear, 18 auxiliary shaft, 19 fan blade. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 A drying oven for detecting soil moisture content, comprising a drying box 1, a plurality of electric heating tubes 10 are symmetrically installed in the drying box 1, a placing box 7 is fixedly installed in the drying box 1, a first screw sleeve 11 is slidably connected in the drying box 1, and the drying box 1 is heated by the plurality of electric heating tubes 10, thereby drying the soil;

[0023] The drying box 1 drives the first screw sleeve 11 to slide back and forth through a driving mechanism, and the driving mechanism includes a first motor 2, and the first motor 2 is fixedly installed on the outside of the drying box 1, and the output shaft of the first motor 2 passes through the drying box 1 and is connected to a first reciprocating screw 6, and the first reciprocating screw 6 is threadedly connected to the first screw sleeve 11, and a limit rod 9 is fixedly installed in the drying box 1, and the first screw sleeve 11 is slidably connected to the limit rod 9, and the first screw sleeve 11 is limited by the limit rod 9, so that it cannot rotate, but can only perform linear reciprocating motion, and then the cutting rod 8 is driven to reciprocate in the X direction through the first screw sleeve 11;

[0024] A cutting rod 8 is slidably connected to the first screw sleeve 11, and the cutting rod 8 is located in the placement box 7. The first screw sleeve 11 drives the cutting rod 8 to slide through a reciprocating mechanism. The reciprocating mechanism includes a second motor 12, and the second motor 12 is fixedly mounted on the top surface of the first screw sleeve 11. The top surface of the first screw sleeve 11 is rotatably connected to a second reciprocating screw 14, and the second reciprocating screw 14 is connected to the output shaft of the second motor 12. A second screw sleeve 13 is threadedly connected to the second reciprocating screw 14, and the second screw sleeve 13 is slidably connected to the first screw sleeve 11, and the cutting rod 8 is fixedly mounted on the bottom surface of the second screw sleeve 13. A limiting groove 15 is provided on the first screw sleeve 11, and the limiting groove 15 is square in shape, and the second screw sleeve 13 is slidably connected to the limiting groove 15. The second screw sleeve 13 is limited by the limiting groove 15 so that it cannot rotate, and then the cutting rod 8 is driven to reciprocate in the Y direction through the second screw sleeve 13;

[0025] A plurality of fan blades 19 are provided on the top surface of the drying box 1, and the plurality of fan blades 19 are connected to the driving mechanism through a synchronous mechanism. The synchronous mechanism includes a synchronous shaft 5, and the synchronous shaft 5 is rotatably connected to the top surface of the drying box 1. A synchronous wheel 3 is installed at one end of the synchronous shaft 5 and the first reciprocating screw 6. The two synchronous wheels 3 are jointly sleeved with a synchronous belt 4. A driving bevel gear 16 is installed at the other end of the synchronous shaft 5. An auxiliary shaft 18 is rotatably connected to the top surface of the drying box 1, and the auxiliary shaft 18 penetrates the drying box 1 and extends outward, and a plurality of fan blades 19 are fixedly installed on the outside of the auxiliary shaft 18. A driven bevel gear 17 is installed at the other end of the auxiliary shaft 18 away from the fan blades 19, and the driving bevel gear 16 is meshed with the driven bevel gear 17. The pitch circle diameter of the driving bevel gear 16 is larger than the pitch circle diameter of the driven bevel gear 17, thereby reducing the transmission ratio, increasing the rotation speed of the driven bevel gear 17, and then a plurality of fan blades 19 quickly air-dry the soil surface, thereby accelerating its drying speed.

[0026] When the utility model is used, the soil to be dried is first placed in the placement box 7 and dried by a plurality of electric heating tubes 10, then the first motor 2 is started, and the synchronous shaft 5 is driven to rotate by the synchronous mechanism, and then the driving bevel gear 16 is meshed with the driven bevel gear 17, and the plurality of fan blades 19 are driven to rotate, so as to synchronously dry the soil surface and accelerate the drying rate of the soil;

[0027] At the same time, the first motor 2 is started to drive the first reciprocating screw 6 to rotate, and the first screw sleeve 11 slides on the limit rod 9, thereby driving the first screw sleeve 11 to reciprocate in the X direction, and then the second motor 12 is started synchronously, and the second reciprocating screw 14 is driven to rotate by the second motor 12, thereby driving the second screw sleeve 13 to reciprocate in the Y direction, and then the cutting rod 8 realizes movement in the X and Y directions, thereby cutting the soil lumps in the placement box 7 to expose its interior, thereby avoiding insufficient drying of the soil inside, thereby affecting the test results.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drying oven for detecting soil moisture content, comprising a drying oven (1), characterized in that: A plurality of electric heating tubes (10) are symmetrically installed in the drying box (1), a placement box (7) is fixedly installed in the drying box (1), a first screw sleeve (11) is slidably connected in the drying box (1), the drying box (1) drives the first screw sleeve (11) to slide back and forth through a driving mechanism, a cutting rod (8) is slidably connected to the first screw sleeve (11), and the cutting rod (8) is located in the placement box (7), the first screw sleeve (11) drives the cutting rod (8) to slide through the reciprocating mechanism, and a plurality of fan blades (19) are provided on the top surface of the drying box (1), and the plurality of fan blades (19) are connected to the driving mechanism through a synchronization mechanism.

2. The drying oven for detecting soil moisture content according to claim 1, characterized in that: The driving mechanism comprises a first motor (2), and the first motor (2) is fixedly mounted outside the drying box (1), an output shaft of the first motor (2) passes through the drying box (1) and is connected to a first reciprocating screw (6), and the first reciprocating screw (6) is threadedly connected to a first screw sleeve (11), a limit rod (9) is fixedly mounted inside the drying box (1), and the first screw sleeve (11) is slidably connected to the limit rod (9).

3. The drying oven for detecting soil moisture content according to claim 2, characterized in that: The reciprocating mechanism comprises a second motor (12), and the second motor (12) is fixedly mounted on the top surface of the first screw sleeve (11); the top surface of the first screw sleeve (11) is rotatably connected to a second reciprocating screw (14), and the second reciprocating screw (14) is connected to an output shaft of the second motor (12); the second reciprocating screw (14) is threadedly connected to a second screw sleeve (13), and the second screw sleeve (13) is slidably connected to the first screw sleeve (11); and the cutting rod (8) is fixedly mounted on the bottom surface of the second screw sleeve (13).

4. The drying oven for detecting soil moisture content according to claim 3, characterized in that: The synchronization mechanism comprises a synchronization shaft (5), and the synchronization shaft (5) is rotatably connected to the top surface of the drying box (1), one end of the synchronization shaft (5) and the first reciprocating screw (6) are both mounted with synchronization wheels (3), the two synchronization wheels (3) are jointly sleeved with a synchronization belt (4), the other end of the synchronization shaft (5) is mounted with a driving bevel gear (16), the top surface of the drying box (1) is rotatably connected to an auxiliary shaft (18), the auxiliary shaft (18) passes through the drying box (1) and extends outward, and a plurality of fan blades (19) are fixedly mounted on the outside of the auxiliary shaft (18), the other end of the auxiliary shaft (18) away from the fan blades (19) is mounted with a driven bevel gear (17), and the driving bevel gear (16) is meshed with the driven bevel gear (17).

5. The drying oven for detecting soil moisture content according to claim 4, characterized in that: The first screw sleeve (11) is provided with a limiting groove (15), the limiting groove (15) is square in shape, and the second screw sleeve (13) is slidably connected in the limiting groove (15).

6. The drying oven for detecting soil moisture content according to claim 5, characterized in that: The pitch circle diameter of the driving bevel gear (16) is greater than the pitch circle diameter of the driven bevel gear (17).

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