Device for rapidly measuring moisture content of sample

Abstract

The utility model belongs to the field of moisture content detection, and particularly relates to a device for quickly measuring the moisture content of a sample, which comprises a support base, a case, a rotating main shaft, a heating disc, a planetary rotating structure and stirring blades. The auxiliary gear conducts circular motion in the opposite direction on the gear ring through meshing with the main gear and the gear ring, through a transmission rod arranged on the auxiliary gear, the transmission rod can be driven to conduct synchronous circular motion when the auxiliary gear moves, and synchronous rotation can be conducted along with rotation of the auxiliary gear while the auxiliary gear moves. Furthermore, the stirring blades mounted on the transmission rod are driven to rotate while performing circular motion, so that the stirring efficiency of substances is improved, and the time required by drying is shortened.

Description

Technical Field

[0001] This utility model belongs to the field of moisture content detection, and in particular relates to a device for rapidly determining the moisture content of a sample. Background Technology

[0002] As the foundational structure supporting tracks or pavements, the quality of the roadbed directly affects the overall quality of highways or municipal roads, influencing the safety and smooth flow of transportation. Especially when bearing traffic loads, the roadbed must possess sufficient strength, stability, and compressive strength. During the construction of roadbed fill, moisture content determination is a crucial control indicator. Roadbed fill is more easily compacted and stabilized at its optimum moisture content. Currently, there are various methods for detecting moisture content, such as resistivity method, microwave method, resonance method, infrared method, and drying method. The resistivity method utilizes the relationship between soil conductivity and moisture content, but it is affected by soil composition. The significant impact of the microwave method may lead to low accuracy; the microwave method and the resonance method use the correlation between microwave or resonance phenomena and moisture content, but the accuracy of these methods may vary under different soil conditions; the infrared method uses the absorption characteristics of soil to infrared radiation to determine moisture content, but its applicability to different soil environments is limited, and the equipment cost is relatively high; while the drying method is relatively simple to operate and does not require complex equipment, but during the drying process, the material to be dried needs to be stirred continuously by hand, which is labor-intensive and inefficient. Furthermore, it is not easy for a single person to perform multiple drying operations, so additional manpower is needed, which increases labor costs. Summary of the Invention

[0003] (a) Technical problems to be solved

[0004] This invention provides a device for rapidly determining the moisture content of samples, addressing the problems of high labor burden and low efficiency caused by the need for continuous stirring of the material to be dried when performing drying operations manually, and the difficulty for a single person to perform multiple drying operations, which requires additional manpower and increases labor costs.

[0005] (II) Technical Content

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A device for rapidly determining the moisture content of a sample includes a support base, a housing, and a rotating spindle. A stirring tank is detachably mounted on the upper surface of the support base. The housing is fixedly connected to the support base. The rotating spindle is rotatably connected inside the housing. The bottom of the rotating spindle passes through the housing and extends below it.

[0008] It also includes a heating plate for heating and drying the mixing tank. The heating plate is fixedly installed on the support base, and the mixing tank is held in place by the heating plate.

[0009] The planetary rotating structure is fixedly installed at the bottom of the machine casing and fixedly connected to the rotating main shaft. The planetary rotating structure is located directly above the mixing tank.

[0010] The stirring blades are used to stir the substances in the mixing tank. The stirring blades are mounted on a planetary rotating structure and are located inside the mixing tank.

[0011] Furthermore, a motor support is fixedly connected inside the chassis, and a drive motor is fixedly installed on the top of the motor support. The drive motor is electrically connected to the heating plate. A driving bevel gear is fixedly connected to the output shaft of the drive motor, and a driven bevel gear is fixedly sleeved on the top of the rotating spindle. The driving bevel gear and the driven bevel gear mesh with each other.

[0012] Furthermore, the planetary rotating structure includes a housing, a gear ring, a main gear, and a secondary gear. The top of the housing is fixedly installed on the bottom of the chassis, and a through hole is provided at the bottom of the housing. The gear ring is fixedly connected to the bottom of the inner surface of the housing. The secondary gear is circumferentially installed on the bottom of the inner surface of the housing and meshes with the gear ring. The main gear is fixedly sleeved on the bottom of the rotating spindle and meshes with multiple secondary gears.

[0013] Furthermore, a support plate is fixedly connected to the bottom end of the rotating spindle, and the top of the support plate is slidably connected to the bottom of the auxiliary gear.

[0014] Furthermore, one of the auxiliary gears is detachably fixed with a transmission rod by bolts. The transmission rod has a clamping part for mounting the stirring blade. The stirring blade has several positioning holes. The clamping part is detachably inserted with a positioning pin, which is connected to one of the positioning holes.

[0015] Furthermore, a gap is left between the top of the stirring blade and the top of the inner surface of the clamping part, and a flow groove is provided on the stirring blade.

[0016] Furthermore, at least two mixing tanks and rotating spindles are provided, and the number of heating plates, planetary rotating structures and stirring blades corresponds to the number of rotating spindles. A driven bevel gear is fixedly sleeved on the top of one of the rotating spindles, and the driven bevel gear meshes with the driving bevel gear.

[0017] Two adjacent rotating spindles are connected by a connecting structure, which includes two toothed discs. The two toothed discs are fixedly sleeved on the two adjacent rotating spindles, and the two toothed discs are engaged with the same chain.

[0018] Furthermore, the bottom of the mixing tank is provided with a snap-fit ​​groove, and a fastener is fixedly installed on the support base, the shape of which is adapted to the snap-fit ​​groove.

[0019] Furthermore, the mixing tank is provided with a lifting groove, and an electronic weighing device is fixedly connected inside the casing. The electronic weighing device corresponds to the mixing tank, and hooks are symmetrically connected to the bottom of the electronic weighing device via connecting ropes. The two hooks are located on both sides of the corresponding mixing tank.

[0020] Furthermore, a chassis cover is rotatably connected to the top side of the chassis.

[0021] (III) Beneficial Effects

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] I. In this utility model, when the rotating spindle drives the main gear to rotate, the auxiliary gear performs a counter-rotating circular motion on the gear ring through meshing with the main gear and the gear ring. Through the transmission rod set on the auxiliary gear, the transmission rod will perform a synchronous circular motion when the auxiliary gear moves, and will also rotate synchronously with the rotation of the auxiliary gear itself. This will drive the stirring blades installed on the transmission rod to rotate while performing a circular motion, thereby improving the stirring efficiency of the material and reducing the drying time.

[0024] Second, in this utility model, the flow channel can improve the fluidity of the material while stirring it, thereby further improving the stirring and drying efficiency and reducing the drying time.

[0025] Third, in this utility model, when installing or adjusting the height of the stirring blade, the positioning pin is pulled out, the corresponding positioning hole is adjusted to be aligned with the positioning pin, and then the positioning pin is reinserted to lock it, so that the installation or adjustment of the stirring blade can be completed quickly.

[0026] Fourth, in this utility model, by setting at least two mixing tanks and rotating spindles, the number of heating plates, planetary rotating structures and stirring blades corresponds to the number of rotating spindles. Two adjacent rotating spindles are connected by a connecting structure. When the driven bevel gear drives one of the rotating spindles to rotate, the adjacent rotating spindles can be driven to rotate synchronously under the action of the connecting structure. Thus, multiple sets of experimental data can be obtained at the same time, avoiding the random errors that may occur in a single experiment.

[0027] Fifth, in this utility model, the mixing tank can be fixed on the support base by the fixing component set on it, so as to prevent the mixing tank from rotating and hitting the heating plate during operation. Attached Figure Description

[0028] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;

[0029] Figure 2This is a schematic diagram from another perspective of the present invention;

[0030] Figure 3 This is a schematic diagram of the interior of the chassis in this utility model;

[0031] Figure 4 This is a schematic diagram of the driving bevel gear, driven bevel gear, rotating spindle, and connecting structure in this utility model;

[0032] Figure 5 This is a schematic diagram of the planetary rotating structure in this utility model;

[0033] Figure 6 This is an exploded view of the planetary rotating structure in this utility model;

[0034] Figure 7 This is an exploded view of the stirring blade, transmission rod, and positioning pin in this utility model;

[0035] Figure 8 This is a schematic diagram of the mixing tank in this utility model;

[0036] Figure 9 This is a cross-sectional view of the interior of the mixing tank in this utility model.

[0037] In the diagram: 1. Support base; 101. Fixing component; 2. Chassis; 21. Motor support seat; 22. Drive motor; 23. Driving bevel gear; 24. Driven bevel gear; 25. Chassis cover; 3. Rotating spindle; 31. Support plate; 4. Mixing tank; 401. Snap-fit ​​groove; 402. Lifting groove; 5. Heating plate; 6. Mixing blades; 601. Positioning hole; 602. Flow groove; 7. Housing; 71. Gear ring; 72. Main gear; 73. Secondary gear; 74. Transmission rod; 7401. Clamping part; 75. Positioning pin; 8. Gear sprocket; 81. Chain; 9. Electronic weighing device; 901. Hook. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Example 1

[0040] like Figures 1-9As shown, a device for rapidly determining the moisture content of a sample includes a support base 1, a housing 2, and a rotating spindle 3. A stirring tank 4 is detachably mounted on the upper surface of the support base 1. The housing 2 is fixedly connected to the support base 1. The rotating spindle 3 is rotatably connected inside the housing 2. The bottom of the rotating spindle 3 penetrates the housing 2 and extends below it.

[0041] It also includes a heating plate 5 for heating and drying the mixing tank 4. The heating plate 5 is fixedly installed on the support base 1, and the mixing tank 4 is placed on the heating plate 5.

[0042] The planetary rotating structure is fixedly installed at the bottom of the casing 2 and fixedly connected to the rotating main shaft 3. The planetary rotating structure is located directly above the mixing tank 4.

[0043] The stirring blade 6 is used to stir the material in the stirring tank 4. The stirring blade 6 is installed on the planetary rotating structure and is located in the inner cavity of the stirring tank 4.

[0044] Specifically, the material to be dried is poured into the mixing tank 4, and then the mixing tank 4 is installed on the support base 1. When the rotating main shaft 3 rotates, it will drive the planetary rotating structure to work. The planetary rotating structure drives the stirring blades 6 to rotate in a planetary manner, and the heating plate 5 heats the mixing tank 4.

[0045] Furthermore, such as Figure 3 and Figure 4 As shown, a motor support base 21 is fixedly connected inside the casing 2. A drive motor 22 is fixedly installed on the top of the motor support base 21. The drive motor 22 is electrically connected to the heating plate 5. A drive bevel gear 23 is fixedly connected to the output shaft of the drive motor 22. A driven bevel gear 24 is fixedly sleeved on the top of the rotating spindle 3. The drive bevel gear 23 and the driven bevel gear 24 mesh with each other.

[0046] During operation, the output shaft on the drive motor 22 drives the active bevel gear 23 to rotate, and the active bevel gear 23 drives the driven bevel gear 24 to rotate through meshing, and the driven bevel gear 24 drives the rotating main shaft 3 to rotate.

[0047] Furthermore, such as Figures 3-7 As shown, the planetary rotating structure includes a housing 7, a gear ring 71, a main gear 72, and a secondary gear 73. The top of the housing 7 is fixedly installed on the bottom of the chassis 2. A through hole is provided at the bottom of the housing 7. The gear ring 71 is fixedly connected to the bottom of the inner surface of the housing 7. The secondary gear 73 is circumferentially installed on the bottom of the inner surface of the housing 7 and meshes with the gear ring 71. The main gear 72 is fixedly sleeved on the bottom of the rotating main shaft 3 and meshes with multiple secondary gears 73.

[0048] Furthermore, a support plate 31 is fixedly connected to the bottom end of the rotating spindle 3, and the top of the support plate 31 is slidably connected to the bottom of the auxiliary gear 73. The support plate 31 can provide auxiliary support for the auxiliary gear 73.

[0049] Furthermore, one of the auxiliary gears 73 is detachably fixed to a transmission rod 74 by bolts. When one of the auxiliary gears 73 is damaged, the transmission rod 74 can be replaced to another intact auxiliary gear 73 to continue working. The transmission rod 74 is provided with a clamping part 7401 for installing the stirring blade 6. The stirring blade 6 is provided with several positioning holes 601. The clamping part 7401 is detachably inserted with a positioning pin 75. The positioning pin 75 is connected to one of the positioning holes 601. When installing or adjusting the height of the stirring blade 6, the positioning pin 75 is pulled out, the corresponding positioning hole 601 is adjusted to be aligned with the positioning pin 75, and then the positioning pin 75 is reinserted to lock it, so that the installation or adjustment of the stirring blade 6 can be completed quickly.

[0050] Furthermore, a gap is left between the top of the stirring blade 6 and the top of the inner surface of the clamping part 7401. A flow groove 602 is provided on the stirring blade 6. The flow groove 602 can improve the fluidity of the material while stirring it, thereby further improving the stirring and drying efficiency and reducing the drying time.

[0051] Specifically, during operation, the drive motor 22 is turned on, and the output shaft of the drive motor 22 drives the active bevel gear 23 to rotate. The active bevel gear 23 drives the driven bevel gear 24 to rotate through meshing. The driven bevel gear 24 drives the rotating main shaft 3 to rotate. When the rotating main shaft 3 rotates, it drives the main gear 72 to rotate synchronously. The secondary gear 73 performs a counter-rotating circular motion on the gear ring 71 through meshing with the main gear 72 and the gear ring 71. Through the transmission rod 74 set on the secondary gear 73, when the secondary gear 73 moves, it drives the transmission rod 74 to perform a synchronous circular motion. At the same time, it rotates synchronously with the rotation of the secondary gear 73 itself, thereby driving the stirring blade 6 installed on the transmission rod 74 to perform a circular motion and also rotate.

[0052] Furthermore, such as Figure 8 and Figure 9 As shown, the bottom of the mixing tank 4 is provided with a snap-fit ​​groove 401, and a fixing member 101 is fixedly installed on the support base 1. The shape of the fixing member 101 is adapted to the snap-fit ​​groove 401. The mixing tank 4 can be fixed on the support base 1 by the fixing member 101, so as to prevent the mixing tank 4 from rotating and hitting the heating plate 5 during operation.

[0053] Furthermore, a cover 25 is rotatably connected to the top side of the chassis 2 to prevent external debris from falling into the chassis 2.

[0054] Example 2

[0055] like Figures 1-9 As shown, this embodiment has been improved on the basis of embodiment one as follows: In order to obtain multiple sets of experimental data at the same time, at least two stirring tanks 4 and rotating spindles 3 are set. The number of heating plates 5, planetary rotating structures and stirring blades 6 corresponds to the number of rotating spindles 3. A driven bevel gear 24 is fixedly sleeved on the top of one of the rotating spindles 3, and the driven bevel gear 24 meshes with the driving bevel gear 23.

[0056] Two adjacent rotating spindles 3 are connected by a connecting structure, such as Figure 4 As shown, the connecting structure includes two toothed discs 8, which are respectively fixedly sleeved on two adjacent rotating spindles 3, and the two toothed discs 8 are engaged with the same chain 81.

[0057] When the driven bevel gear 24 drives one of the rotating spindles 3 to rotate, the adjacent rotating spindles 3 can be driven to rotate synchronously with the cooperation of the two toothed discs 8 and the chain 81. Thus, multiple sets of experimental data can be obtained at the same time, avoiding random errors that may occur in a single experiment.

[0058] Example 3

[0059] like Figures 1-9 As shown, this embodiment is an improvement on embodiment one as follows: Figure 1 As shown, a lifting groove 402 is provided on the mixing tank 4, and an electronic weighing device 9 is fixedly connected inside the casing 2. The electronic weighing device 9 corresponds to the mixing tank 4, and hooks 901 are symmetrically connected to the bottom of the electronic weighing device 9 through connecting ropes. The two hooks 901 are located on the two sides of the corresponding mixing tank 4.

[0060] Hook 901 is hung on the lifting grooves 402 on both sides of the mixing tank 4 so that the staff can record the weight of the mixing tank 4 before and after drying.

[0061] In summary, the workflow of this utility model is as follows:

[0062] The material to be dried is poured into the mixing tank 4, and then weighed and recorded. After weighing, the mixing tank 4 is installed on the support base 1, and then the stirring blade 6 is installed on the clamping part 7401. Then the heating plate 5 and the drive motor 22 are turned on. The output shaft of the drive motor 22 drives the active bevel gear 23 to rotate. The active bevel gear 23 drives the driven bevel gear 24 to rotate through meshing. The driven bevel gear 24 drives the rotating main shaft 3 to rotate. When the rotating main shaft 3 rotates, it will drive the main gear 72 to rotate synchronously. The secondary gear 73 performs a circular motion in the opposite direction on the gear ring 71 through meshing with the main gear 72 and the gear ring 71. Through the transmission rod 74 set on the secondary gear 73, when the secondary gear 73 moves, it will drive the transmission rod 74 to perform a synchronous circular motion. At the same time, it will rotate synchronously with the rotation of the secondary gear 73 itself. In turn, the stirring blade 6 installed on the transmission rod 74 can rotate while performing a circular motion, thus stirring the material in the mixing tank 4.

[0063] After stirring is complete, turn off the heating plate 5 and the drive motor 22, and remove the stirring blade 6 from the clamping part 7401. Then weigh and record the results.

[0064] However, as is well known to those skilled in the art, the working principles and wiring methods of the heating plate 5, electronic weighing device 9, and drive motor 22 are commonplace and belong to conventional means or common knowledge. Therefore, they will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0065] The different embodiments described above can be combined, substituted, or used in combination with each other.

[0066] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0067] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for rapidly determining the moisture content of a sample, characterized in that: It includes a support base (1), a housing (2) and a rotating spindle (3). The upper surface of the support base (1) is detachably fitted with a mixing tank (4). The housing (2) is fixedly connected to the support base (1). The rotating spindle (3) is rotatably connected to the inside of the housing (2). The bottom of the rotating spindle (3) penetrates the housing (2) and extends below it. It also includes a heating plate (5) for heating and drying the mixing tank (4), the heating plate (5) being fixedly installed on the support base (1), and the mixing tank (4) being clipped onto the heating plate (5); A planetary rotating structure is fixedly installed at the bottom of the housing (2) and fixedly connected to the rotating main shaft (3). The planetary rotating structure is located directly above the mixing tank (4). The stirring blade (6) is used to stir the substance in the stirring tank (4). The stirring blade (6) is mounted on a planetary rotating structure and is located in the inner cavity of the stirring tank (4).

2. The apparatus for rapidly determining the moisture content of a sample according to claim 1, characterized in that: The machine housing (2) is fixedly connected to a motor support base (21). A drive motor (22) is fixedly installed on the top of the motor support base (21). The drive motor (22) is electrically connected to the heating plate (5). A drive bevel gear (23) is fixedly connected to the output shaft of the drive motor (22). A driven bevel gear (24) is fixedly sleeved on the top of the rotating main shaft (3). The drive bevel gear (23) meshes with the driven bevel gear (24).

3. The apparatus for rapidly determining the moisture content of a sample according to claim 2, characterized in that: The planetary rotating structure includes a housing (7), a gear ring (71), a main gear (72), and a secondary gear (73). The top of the housing (7) is fixedly installed at the bottom of the chassis (2). A through hole is provided at the bottom of the housing (7). The gear ring (71) is fixedly connected to the bottom of the inner surface of the housing (7). The secondary gear (73) is circumferentially installed at the bottom of the inner surface of the housing (7) and meshes with the gear ring (71). The main gear (72) is fixedly sleeved on the bottom of the rotating main shaft (3) and meshes with multiple secondary gears (73).

4. The apparatus for rapidly determining the moisture content of a sample according to claim 3, characterized in that: The bottom end of the rotating spindle (3) is fixedly connected to a support plate (31), and the top of the support plate (31) is slidably connected to the bottom of the auxiliary gear (73).

5. The apparatus for rapidly determining the moisture content of a sample according to claim 4, characterized in that: One of the auxiliary gears (73) is detachably fixed with a transmission rod (74) by bolts. The transmission rod (74) has a clamping part (7401) for mounting the stirring blade (6). The stirring blade (6) has several positioning holes (601). The clamping part (7401) is detachably inserted with a positioning pin (75), and the positioning pin (75) is connected to one of the positioning holes (601).

6. The apparatus for rapidly determining the moisture content of a sample according to claim 5, characterized in that: The top of the stirring blade (6) and the top of the inner surface of the clamping part (7401) are separated by a gap, and a flow groove (602) is provided on the stirring blade (6).

7. The apparatus for rapidly determining the moisture content of a sample according to claim 2, characterized in that: At least two mixing tanks (4) and rotating spindles (3) are provided. The number of heating plates (5), planetary rotating structures and stirring blades (6) corresponds to the number of rotating spindles (3). One of the rotating spindles (3) is fixedly fitted with a driven bevel gear (24) at its top. The driven bevel gear (24) meshes with the driving bevel gear (23). The two adjacent rotating spindles (3) are connected by a connecting structure, which includes two toothed discs (8). The two toothed discs (8) are respectively fixedly sleeved on the two adjacent rotating spindles (3), and the two toothed discs (8) are engaged with the same chain (81).

8. The apparatus for rapidly determining the moisture content of a sample according to any one of claims 1-7, characterized in that: The bottom of the mixing tank (4) is provided with a snap-fit ​​groove (401), and a fastener (101) is fixedly installed on the support base (1). The shape of the fastener (101) is adapted to the snap-fit ​​groove (401).

9. The apparatus for rapidly determining the moisture content of a sample according to any one of claims 1-7, characterized in that: The mixing tank (4) is provided with a lifting groove (402). An electronic weighing device (9) is fixedly connected inside the casing (2). The electronic weighing device (9) corresponds to the mixing tank (4). The bottom of the electronic weighing device (9) is symmetrically connected with hooks (901) by a connecting rope. The two hooks (901) are located on both sides of the corresponding mixing tank (4).

10. The apparatus for rapidly determining the moisture content of a sample according to any one of claims 1-7, characterized in that: The top side of the chassis (2) is rotatably connected to a chassis cover (25).

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