CN117368428B - Cereal moisture detection device - Google Patents

Cereal moisture detection device Download PDF

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Publication number
CN117368428B
CN117368428B CN202311667462.4A CN202311667462A CN117368428B CN 117368428 B CN117368428 B CN 117368428B CN 202311667462 A CN202311667462 A CN 202311667462A CN 117368428 B CN117368428 B CN 117368428B
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China
Prior art keywords
sleeve
lifting
cylinder
fixed
gear
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CN202311667462.4A
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Chinese (zh)
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CN117368428A (en
Inventor
赵炳先
韩文法
赵佳
孙艳茹
姚瑶
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WEIFANG INSTITUTE OF METROLOGY AND TESTING
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WEIFANG INSTITUTE OF METROLOGY AND TESTING
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02Food
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38Diluting, dispersing or mixing samples

Abstract

The invention discloses a grain moisture detection device, which relates to the technical field of grain detection and comprises a base, wherein a vertically arranged external thread pipe is fixed on a supporting frame, a lifting cylinder is vertically and slidably arranged in the external thread pipe, a lifting conveying component for lifting grains is arranged in the lifting cylinder, a moisture detector comprises a detection probe positioned in the detection cylinder, a cone cylinder and an extension shaft which are coaxially arranged are rotatably arranged in the detection cylinder, and a transmission component is used for driving the extension shaft and the cone cylinder to reversely rotate. According to the invention, the spiral blades are driven to rotate through the rotation of the rotating shaft, so that the grains entering the lifting cylinder can be vertically lifted, the grains can enter the detection cylinder to be subjected to moisture detection, the lifting cylinder can drive the rotating shaft and the spiral blades to be vertically moved and adjusted, the flexible adjustment of the vertical position of the feeding hole is realized, the grains at different depth positions can be conveniently sampled and subjected to moisture detection, and the operation flexibility and the efficiency are remarkably improved.

Description

Cereal moisture detection device
Technical Field
The invention relates to the technical field of grain detection, in particular to a grain moisture detection device.
Background
The grains are widely covered and comprise rice, wheat, millet, soybean and other miscellaneous cereals, the grains comprise rice, wheat, millet, soybean and the like, the grains are mainly plant seeds and fruits, the grains are traditional staple foods of many Asians, and the grains not only refer to seeds of gramineous plants, but also can be divided into two types: cereal and soyabean species.
The cereal can be stored through storage facilities, in order to guarantee good storage environment, need to carry out moisture detection to the cereal of storage with the help of moisture detection device to in time know the condition of cereal, but current cereal moisture detection device is when carrying out moisture detection operation to cereal, in order to can detect the cereal of different storage degree of depth positions, need acquire the cereal of this degree of depth earlier, then put in check out test set with cereal and detect, the operation process is wasted time and energy, current cereal moisture detection device can not take a sample in a flexible way promptly and detect cereal moisture fast, accurately. In view of the above-mentioned drawbacks of the prior art, a grain moisture detecting apparatus is now provided to solve the above-mentioned problems.
Disclosure of Invention
The present invention is directed to a grain moisture detecting apparatus, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a cereal moisture detection device, includes the base, be fixed with the support frame on the base, vertical slidable mounting has the crane on the support frame, be fixed with the collection case and the detection section of thick bamboo that realize inside intercommunication through the pipe chute on the support frame, collection incasement is fixed with adapter sleeve, be fixed with the external screw thread pipe of vertical setting on the support frame, the screw thread has cup jointed the rotation and has been installed rotatory sleeve I on the adapter sleeve on the external screw thread pipe, vertical slidable mounting has a hoist cylinder in the external screw thread pipe, install the promotion conveying subassembly that is used for promoting cereal in the hoist cylinder, be fixed with motor I on the crane, the last drive of motor I is connected with be used for the drive rotatory rotary drive subassembly of rotatory sleeve I, the moisture detector is installed at the top of detecting the section of thick bamboo, and moisture detector is including being located the inside detection probe that detects the section of thick bamboo, detect the inside cone section of thick bamboo and the extension axle that the coaxial line set up, fixedly installed a plurality of and cone inner wall butt's extension axle on the extension axle, install motor II on the crane, drive subassembly is connected with drive assembly, drive assembly is used for driving the reverse rotation of cone and extension axle.
As an improvement scheme of the invention: the lifting conveying assembly comprises a rotary shaft which is rotatably arranged in the lifting cylinder, a spiral blade is fixedly sleeved on the rotary shaft, a feeding hole is formed in the lower side wall of the lifting cylinder, a discharging pipe penetrating through the connecting sleeve is arranged on the upper side wall of the lifting cylinder in a communicating mode, the discharging pipe is located inside the material collecting box, and a vertical strip hole for sliding penetration of the discharging pipe is formed in the side wall of the external thread pipe.
As an improvement scheme of the invention: the lifting conveying assembly further comprises a motor III fixed on the supporting frame, the top of the external thread pipe is rotatably provided with a transmission sleeve, the transmission sleeve is in transmission connection with an output shaft of the motor III through a belt pulley mechanism I, and the side wall of the rotating shaft is fixed with a lateral guide bar vertically and slidably embedded in the inner wall of the transmission sleeve.
As an improvement scheme of the invention: the rotary driving assembly comprises a driving bevel gear coaxially fixed with an output shaft of the motor I, a driven bevel gear is connected to the driving bevel gear in a meshed manner, the driven bevel gear is fixedly sleeved on the rotary sleeve I, a arc plate coaxially arranged with the rotary sleeve I is arranged at the top of the collecting box, and a positioning assembly for limiting the angle of the rotary sleeve I is arranged on the arc plate.
As an improvement scheme of the invention: the locating component comprises a limiting sleeve block fixed on the arc plate, a locating block is slidably arranged on the limiting sleeve block, a spring is fixedly connected between the locating block and the limiting sleeve block, a plurality of V-shaped grooves are uniformly formed in the circumferential direction of the side wall of the rotary sleeve I, and one end, far away from the spring, of the locating block is in splicing fit with the V-shaped grooves.
As an improvement scheme of the invention: the transmission assembly comprises a vertical cylinder body coaxially fixed with the bottom of the conical cylinder and communicated with the inside, a rotary sleeve II is coaxially fixed at the bottom of the vertical cylinder body, a lifting sleeve extending into the vertical cylinder body is rotatably mounted in the rotary sleeve II, an extending shaft penetrates through the lifting sleeve, a threaded column vertically arranged is rotatably mounted at the bottom of the detection cylinder and is in transmission connection with the rotary sleeve II through a belt pulley mechanism II, a cylindrical gear I is fixedly sleeved on the extending shaft, and a cylindrical gear II meshed with the cylindrical gear I is fixedly sleeved on the threaded column.
As an improvement scheme of the invention: the lifting sleeve is characterized in that a pushing disc in sealing sliding connection with the vertical cylinder body is arranged at the top of the lifting sleeve, a gear box is arranged on the lifting frame, a gear assembly driven by a motor II is arranged in the gear box, the gear assembly is used for driving a threaded column to be replaced in the forward and reverse directions, a lifting plate is arranged below the vertical cylinder body in a sliding manner, the lifting sleeve is rotatably arranged on the lifting plate, and threads of the lifting plate are sleeved on the threaded column.
As an improvement scheme of the invention: the gear assembly comprises an incomplete bevel gear which is coaxially fixed with the output shaft of the motor II, the threaded column extends into the gear box, and two transmission bevel gears which are alternately meshed with the incomplete bevel gear are fixedly sleeved on the threaded column.
As an improvement scheme of the invention: the connecting sleeve lower extreme is fixed with the protective sleeve, protective sleeve inner wall and the laminating of hoist cylinder outer wall contact.
As an improvement scheme of the invention: the support frame is fixed with a controller electrically connected with the moisture detector, and the controller is provided with a display screen.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the spiral blades are driven to rotate through the rotation of the rotating shaft, so that the grains entering the lifting cylinder are vertically lifted, the grains can enter the detection cylinder for moisture detection, the rotating shaft and the spiral blades can be driven by the lifting cylinder to vertically move and adjust, the flexible adjustment of the vertical position of the feeding hole is realized, the grains at different depth positions are conveniently sampled and moisture detected, and the operation flexibility and the efficiency are obviously improved.
According to the invention, the cone cylinder and the extension arm can rotate in opposite directions, and the pushing disc vertically reciprocates, so that the grains are vertically pushed, the grains in the detection cylinder are fully dispersed, the grains are effectively prevented from being piled up, the grains conveyed into the detection cylinder can be fully detected by the detection probe, and the detection accuracy of the grain sample is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of FIG. 1 at a certain viewing angle in accordance with the present invention;
FIG. 3 is a schematic view of a positioning assembly according to the present invention;
FIG. 4 is a schematic view of the structure of the externally threaded pipe and the lifting and conveying assembly of the present invention;
FIG. 5 is a schematic view of the connection of the rotating sleeve I, the connecting sleeve and the protective sleeve according to the present invention;
FIG. 6 is a schematic illustration of the connection of the externally threaded tube, rotation shaft, lift cylinder and helical blade components of the present invention;
FIG. 7 is a schematic view showing the internal structure of the cartridge according to the present invention;
FIG. 8 is a schematic view of the structure of the extension shaft, lifting sleeve and push plate of the present invention;
FIG. 9 is a schematic view of a partial structure of the present invention;
fig. 10 is a plan view of a partial structure of the present invention.
In the figure: 1-base, 2-support frame, 3-controller, 4-lifting frame, 5-motor III, 6-pulley mechanism I, 7-external screw tube, 8-driven bevel gear, 9-motor I, 10-drive bevel gear, 11-collection box, 12-protection sleeve, 13-lifting cylinder, 14-feed hole, 15-detection cylinder, 16-gear box, 17-motor II, 18-rotation shaft, 19-arc plate, 20-rotation sleeve I, 21-moisture detector, 22-limit sleeve block, 23-positioning block, 24-spring, 25-lateral guide bar, 26-incomplete bevel gear, 27-transmission sleeve, 28-connection sleeve, 29-discharge tube, 30-vertical strip hole, 31-helical blade, 32-detection probe, 33-extension arm, 34-taper cylinder, 35-extension shaft, 36-lifting sleeve, 37-vertical cylinder, 38-screw column, 39-pulley mechanism II, 40-lifting plate, 41-push plate, 42-rotation sleeve II, 43-cylindrical gear I, 44-cylindrical gear II, 45-transmission bevel gear, 46-V-groove.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments:
example 1
Referring to fig. 1-10, a grain moisture detecting device includes a base 1, a support frame 2 is fixed on the base 1, a lifting frame 4 is vertically and slidably mounted on the support frame 2, a collecting box 11 and a detecting cylinder 15 which are communicated with each other through an inclined tube 46 are fixed on the support frame 2, a connecting sleeve 28 is fixed in the collecting box 11, an external threaded tube 7 which is vertically arranged is fixed on the support frame 2, a rotating sleeve I20 which is rotatably mounted on the connecting sleeve 28 is sleeved on the external threaded tube 7 in a threaded manner, a lifting cylinder 13 is vertically and slidably mounted in the external threaded tube 7, a lifting conveying component for lifting grains is mounted in the lifting cylinder 13, a motor I9 is fixed on the lifting frame 4, a rotary driving component for driving the rotating sleeve I20 to rotate is connected to the motor I9, a moisture detector 21 is mounted on the top of the detecting cylinder 15, a plurality of cone cylinders 34 and an extending shaft 35 which are coaxially arranged are rotatably mounted in the detecting cylinder 15, an extending shaft 35 is fixedly mounted on the extending shaft 35, a motor II is mounted on the lifting frame 4, and a driving component II is mounted on the lifting frame 17 and is used for driving the cone 34 to rotate, and a reverse driving component 34 is mounted on the driving component 17.
The lifting and conveying assembly of the device can lift stored grains, so that the grain samples enter the detection cylinder 15 along the inclined tube 46, and moisture detection operation is carried out on the grain samples through the detection probe 32. And be fixed with on the support frame 2 with moisture detector 21 electric connection's controller 3, install the display screen on the controller 3, the data transmission that moisture detector 21 detected is in the controller 3, carries out the real-time display of testing result through the display screen.
Specifically, the lifting conveying assembly of the device comprises a rotary shaft 18 rotatably installed in a lifting cylinder 13, a spiral blade 31 is fixedly sleeved on the rotary shaft 18, a feed hole 14 is formed in the lower side wall of the lifting cylinder 13, a discharge pipe 29 penetrating through a connecting sleeve 28 is installed on the upper side wall of the lifting cylinder 13 in a communicating manner, the discharge pipe 29 is positioned in a material collecting box 11, and a vertical strip hole 30 through which the discharge pipe 29 slides is formed in the side wall of an external thread pipe 7. The lifting conveying assembly further comprises a motor III5 fixed on the support frame 2, a transmission sleeve 27 is rotatably arranged at the top of the external threaded pipe 7, the transmission sleeve 27 is in transmission connection with an output shaft of the motor III5 through a belt pulley mechanism I6, and a lateral guide bar 25 vertically and slidably embedded in the inner wall of the transmission sleeve 27 is fixed on the side wall of the rotary shaft 18.
Through the above arrangement, the motor III5 is started, the motor III5 drives the transmission sleeve 27 to rotate through the belt pulley mechanism I6, the transmission sleeve 27 drives the rotation shaft 18 to rotate through the lateral guide strip 25, the rotation shaft 18 drives the spiral blade 31 to rotate, the lifting drum 13 is inserted into grains, the grains enter the lifting drum 13 from the feeding hole 14, the grains in the lifting drum 13 are lifted by means of the rotation of the spiral blade 31, the grains are finally discharged into the collecting box 11 from the discharging pipe 29, and the grain samples enter the detecting drum 15 through the inclined pipe 46 to be subjected to moisture detection by the moisture detector 21.
In addition, the rotary driving assembly of the device comprises a driving bevel gear 10 coaxially fixed with an output shaft of a motor I9, a driven bevel gear 8 is connected to the driving bevel gear 10 in a meshed manner, the driven bevel gear 8 is fixedly sleeved on a rotary sleeve I20, a spiral plate 19 coaxially arranged with the rotary sleeve I20 is arranged at the top of a collecting box 11, and a positioning assembly for limiting the angle of the rotary sleeve I20 is arranged on the spiral plate 19.
Through the arrangement, the starting motor I9 can drive the drive bevel gear 10 to rotate, the drive bevel gear 10 drives the driven bevel gear 8 meshed with the drive bevel gear 10 to rotate, the driven bevel gear 8 drives the rotary sleeve I20 to rotate, the rotary sleeve I20 rotates relative to the external threaded pipe 7 and moves down vertically, the connecting sleeve 28, the collecting box 11 and the lifting frame 4 move down vertically, the lifting cylinder 13 moves down vertically and is inserted into a grain specific depth simultaneously, moisture detection on grains at different depth positions is achieved, comprehensive grasp of grain storage states is achieved, and the operation is flexible and efficient.
In addition, the locating component of this device is including fixing the stop collar piece 22 on the arc board 19, slidable mounting has locating piece 23 on the stop collar piece 22, fixedly connected with spring 24 between locating piece 23 and the stop collar piece 22, and a plurality of V word groove 47 has evenly been seted up to rotatory sleeve I20's lateral wall hoop, and the one end that the locating piece 23 kept away from spring 24 is pegged graft the adaptation with V word groove 47.
In the rotating process of the rotating sleeve I20, the rotating sleeve I20 rotates relative to the arc plate 19, at this time, under the elastic pushing action of the spring 24, the positioning block 23 can be inserted into the V-shaped groove 47 at the corresponding position, the timely positioning effect after the position of the rotating sleeve I20 is adjusted is realized, the stability of the vertical position adjustment of the lifting cylinder 13 is ensured, the stability of grain sampling is greatly improved, the accurate sampling at the specific position is realized, and the grain moisture detection accuracy is effectively improved.
In addition, be fixed with protective sleeve 12 at adapter sleeve 28 lower extreme, protective sleeve 12 inner wall and the laminating of hoist cylinder 13 outer wall contact, protective sleeve 12 that sets up removes along with adapter sleeve 28's vertical removal for protective sleeve 12 can play fine protective effect to external screw thread pipe 7, avoids cereal granule card in external screw thread pipe 7 screw thread, has guaranteed the smooth and easy going on of the vertical position adjustment of hoist cylinder 13.
Example 2
Referring to fig. 1-10, on the basis of embodiment 1, in addition, the transmission assembly of the device includes a vertical cylinder 37 coaxially fixed to the bottom of the cone 34 and communicated with the inside, a rotary sleeve II42 coaxially fixed to the bottom of the vertical cylinder 37, a lifting sleeve 36 rotatably mounted in the rotary sleeve II42 and extending into the vertical cylinder 37, an extension shaft 35 penetrating through the lifting sleeve 36, a vertically arranged threaded column 38 rotatably mounted at the bottom of the detection cylinder 15, the threaded column 38 being in transmission connection with the rotary sleeve II42 through a pulley mechanism II39, a cylindrical gear I43 fixedly sleeved on the extension shaft 35, a cylindrical gear II44 engaged with the cylindrical gear I43 fixedly sleeved on the threaded column 38, a pushing disc 41 sealingly and slidingly connected with the vertical cylinder 37 mounted on the top of the lifting sleeve 36, a gear box 16 mounted on the lifting frame 4, a gear assembly driven by a motor II17 mounted in the gear box 16, the gear assembly for driving the threaded column 38 to be alternately rotated, a lifting plate 40 vertically slidingly mounted under the vertical cylinder 37, the lifting sleeve 36 rotatably mounted on the lifting plate 40, and the threaded column 38 being screwed on the threaded column 38.
The motor II17 drives the gear assembly, the gear assembly drives the threaded column 38 to rotate, the threaded column 38 drives the cylindrical gear II44 to rotate, the cylindrical gear II44 drives the cylindrical gear I43 meshed with the threaded column to rotate, the cylindrical gear I43 drives the extension shaft 35 to rotate, the extension shaft 35 drives the extension arm 33 to rotate, and when the threaded column 38 rotates, the threaded column 38 drives the rotary sleeve II42 to rotate through the belt pulley mechanism II39, the rotary sleeve II42 drives the vertical cylinder 37 to rotate, the vertical cylinder 37 drives the cone 34 to rotate, and the cone 34 and the extension arm 33 rotate in opposite directions, so that grain samples in the cone 34 are effectively dispersed, accumulation is avoided, and the detection probe 32 comprehensively and accurately detects the grain samples.
The gear assembly of the device comprises an incomplete bevel gear 26 coaxially fixed with the output shaft of a motor II17, a threaded column 38 extends into the gear box 16, and two transmission bevel gears 45 which are alternately meshed with the incomplete bevel gear 26 are fixedly sleeved on the threaded column 38.
The motor II17 drives the incomplete bevel gear 26 to rotate, the incomplete bevel gear 26 is alternately meshed with the two transmission bevel gears 45 for transmission, at the moment, the transmission bevel gears 45 drive the threaded columns 38 to rotate clockwise and anticlockwise alternately, so that the lifting plate 40 can drive the lifting sleeve 36 to vertically reciprocate, at the moment, the pushing disc 41 pushes the grain sample to vertically lift, the dispersion effect of the grain sample is greatly improved by means of the rotation effect of the extension arm 33, and the detection probe 32 can comprehensively and fully detect the grain sample.
In summary, according to the invention, the rotating shaft 18 is arranged to rotate to drive the helical blade 31 to rotate, so that the grains entering the lifting cylinder 13 are vertically lifted, so that the grains can enter the detecting cylinder 15 to detect moisture, the lifting cylinder 13 can drive the rotating shaft 18 and the helical blade 31 to vertically move and adjust, flexible adjustment of the vertical position of the feeding hole 14 is realized, sampling and moisture detection of grains at different depth positions are facilitated, and the operation flexibility and the efficiency are remarkably improved. According to the invention, the cone cylinder 34 and the extension arm 33 can rotate in opposite directions, and the pushing disc 41 vertically reciprocates, so that the grains are vertically pushed, the grains in the detection cylinder 15 are fully dispersed, the grains are effectively prevented from accumulating, the detection probe 32 can fully detect the grains conveyed into the detection cylinder 15, and the detection accuracy of a grain sample is greatly improved.
It should be noted that, although the present disclosure describes embodiments, each embodiment does not include a separate technical solution, and the description is only for clarity, those skilled in the art should understand that the technical solutions in the embodiments may be properly combined to form other embodiments that can be understood by those skilled in the art, and the above embodiments only represent the preferred embodiments of the present disclosure, and the description is more specific and detailed, but should not be construed as limiting the scope of the present disclosure. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, which fall within the scope of the present invention. The protection scope of the invention of the technical proposal is subject to the appended claims.

Claims (8)

1. The utility model provides a cereal moisture detection device, includes base (1), be fixed with support frame (2) on base (1), vertical slidable mounting has crane (4) on support frame (2), be fixed with on crane (4) through inclined tube (46) realize inside communicating collection box (11) and detection section of thick bamboo (15), a serial communication port, collection box (11) internal fixation has adapter sleeve (28), be fixed with external screw thread pipe (7) of vertical setting on support frame (2), threaded sleeve has installed rotation sleeve I (20) on adapter sleeve (28) on external screw thread pipe (7) in the screw thread cup joint, vertical slidable mounting has in external screw thread pipe (7) promotes section of thick bamboo (13), install in the promotion section of thick bamboo (13) and be used for carrying out the promotion conveying subassembly that promotes cereal, be fixed with motor I (9) on crane (4), the drive is connected with on motor I (9) and be used for driving rotatory rotation drive subassembly of rotation sleeve I (20), detector (21) are installed on the top of detection section of thick bamboo (15) detects detector (21) and are installed in rotation sleeve I (20), detector (21) are located the coaxial line (35) and are located the inside of moisture detection section of thick bamboo (35) and are located the inside of thick bamboo (35) and are extended and are detected in water (35), the lifting device is characterized in that a plurality of extension arms (33) which are abutted to the inner wall of the cone drum (34) are fixedly arranged on the extension shaft (35), a motor II (17) is arranged on the lifting frame (4), a transmission assembly is connected to the motor II (17) in a driving mode, the transmission assembly is used for driving the extension shaft (35) and the cone drum (34) to reversely rotate, the lifting conveying assembly comprises a rotary shaft (18) which is rotatably arranged in the lifting drum (13), helical blades (31) are fixedly sleeved on the rotary shaft (18), a feeding hole (14) is formed in the lower side wall of the lifting drum (13), a discharge pipe (29) which penetrates through a connecting sleeve (28) is arranged on the upper side wall of the lifting drum (13), the discharge pipe (29) is arranged in the collecting box (11), a vertical strip hole (30) through which the discharge pipe (29) slides and penetrates is formed in the side wall of the outer threaded pipe (7), the lifting conveying assembly further comprises a motor III (5) which is fixed on the supporting frame (2), a transmission sleeve (27) is fixedly sleeved on the top of the outer threaded pipe (7), a transmission sleeve (27) is arranged on the top of the outer threaded pipe (7), the motor III is connected with an output shaft (6) through the transmission sleeve (27), the side wall of the rotating shaft (18) is fixed with a lateral guide bar (25) which is vertically and slidably embedded in the inner wall of the transmission sleeve (27).
2. The grain moisture detection device according to claim 1, wherein the rotary driving assembly comprises a driving bevel gear (10) coaxially fixed with an output shaft of the motor I (9), a driven bevel gear (8) is connected to the driving bevel gear (10) in a meshed manner, the driven bevel gear (8) is fixedly sleeved on the rotary sleeve I (20), a cambered plate (19) coaxially arranged with the rotary sleeve I (20) is mounted at the top of the collecting box (11), and a positioning assembly for performing angle limitation on the rotary sleeve I (20) is mounted on the cambered plate (19).
3. The grain moisture detection device according to claim 2, wherein the positioning assembly comprises a limiting sleeve block (22) fixed on the arc plate (19), a positioning block (23) is slidably mounted on the limiting sleeve block (22), a spring (24) is fixedly connected between the positioning block (23) and the limiting sleeve block (22), a plurality of V-shaped grooves (47) are uniformly formed in the circumferential direction of the side wall of the rotary sleeve I (20), and one end, far away from the spring (24), of the positioning block (23) is in splicing fit with the V-shaped grooves (47).
4. A grain moisture detecting device according to claim 1, wherein the transmission assembly comprises a vertical cylinder (37) coaxially fixed to the bottom of the cone (34) and communicated with the inside, a rotary sleeve II (42) coaxially fixed to the bottom of the vertical cylinder (37), a lifting sleeve (36) extending into the vertical cylinder (37) is rotatably mounted in the rotary sleeve II (42), the extending shaft (35) penetrates through the lifting sleeve (36), a vertically arranged threaded column (38) is rotatably mounted at the bottom of the detecting cylinder (15), the threaded column (38) is in transmission connection with the rotary sleeve II (42) through a belt pulley mechanism II (39), a cylindrical gear I (43) is fixedly sleeved on the extending shaft (35), and a cylindrical gear II (44) meshed with the cylindrical gear I (43) is fixedly sleeved on the threaded column (38).
5. The grain moisture detecting device according to claim 4, wherein a pushing disc (41) which is in sealing sliding connection with the vertical cylinder (37) is installed at the top of the lifting sleeve (36), a gear box (16) is installed on the lifting frame (4), a gear assembly driven by a motor II (17) is installed in the gear box (16), the gear assembly is used for driving a threaded column (38) to alternately rotate forward and backward, a lifting plate (40) is installed below the vertical cylinder (37) in a sliding manner, the lifting sleeve (36) is rotatably installed on the lifting plate (40), and threads of the lifting plate (40) are sleeved on the threaded column (38).
6. A grain moisture detecting device according to claim 5, characterized in that the gear assembly comprises an incomplete bevel gear (26) coaxially fixed with the output shaft of the motor II (17), the threaded post (38) extending into the gear box (16), the threaded post (38) being fixedly sleeved with two drive bevel gears (45) alternately meshed with the incomplete bevel gear (26).
7. The grain moisture detection apparatus as claimed in claim 1, wherein a protective sleeve (12) is fixed to the lower end of the connecting sleeve (28), and an inner wall of the protective sleeve (12) is in contact with an outer wall of the lifting cylinder (13).
8. The grain moisture detection apparatus as claimed in claim 1, wherein a controller (3) electrically connected to the moisture detector (21) is fixed to the support frame (2), and a display screen is mounted on the controller (3).
CN202311667462.4A 2023-12-07 2023-12-07 Cereal moisture detection device Active CN117368428B (en)

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Application Number Priority Date Filing Date Title
CN202311667462.4A CN117368428B (en) 2023-12-07 2023-12-07 Cereal moisture detection device

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CN202311667462.4A CN117368428B (en) 2023-12-07 2023-12-07 Cereal moisture detection device

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CN117368428B true CN117368428B (en) 2024-03-22

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CN112595547A (en) * 2020-12-30 2021-04-02 欧成华 Soil sampling device for environmental soil detection
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