Ventilation drying device for grain storage

By designing the guide platform and stirring mechanism, multiple spiral air plates are simultaneously turned over, solving the problem of low turning efficiency in existing devices, improving the turning efficiency of grain storage and simplifying the maintenance process.

CN223840810UActive Publication Date: 2026-01-27益阳绿康农业综合开发有限公司
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Patent Information

Application Number
CN202520249141.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-27
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

In existing air-drying devices for grain storage, if the diameter of the spiral turning plate is too large, the grain on the upper side will be difficult to be driven downwards; if the diameter is too small, the surrounding grain will be difficult to turn, resulting in poor turning efficiency.

Method used

The system employs a combination of a guide platform, a stirring mechanism, a motor, a transmission base, rotating rods, spiral air plates, a first gear, a second gear, and a gear ring. Multiple rotating rods are arranged in a concentric circle to achieve synchronous tumbling of multiple spiral air plates. The guide platform guides the grain flow to the rotating rods, improving tumbling efficiency. The system also features a support frame and lid structure that are easy to disassemble for maintenance.

Benefits of technology

It improves the efficiency of grain turning, ensures that the grain flows automatically to the rotating rod, and enhances the turning stability and ease of maintenance of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ventilation drying device for grain storage, which relates to the technical field of grain storage and comprises a drying barrel, the lower side of the drying barrel is fixedly connected with a base, the inner side of the drying barrel is movably sleeved with a stirring mechanism, and a barrel cover is movably mounted at the position, close to the upper side, of the outer side of the drying barrel. The upper side of the barrel cover is fixedly connected with a plurality of evenly-distributed pipeline connecting bases, the position, close to the bottom, of the outer side of the drying barrel is movably sleeved with a check ring, the stirring mechanism comprises a motor, and the lower side of the motor is fixedly connected to the middle of the upper surface of the bottom wall of the base. According to the ventilation drying device for grain storage, the multiple rotating rods are arranged in a concentric circle mode, so that the multiple spiral air plates are turned over synchronously, the grain turning efficiency is improved, meanwhile, the guide table guides grains, the grains automatically flow towards the rotating rods, and the fixed turning efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of grain storage technology, and in particular to a ventilation and drying device for grain storage. Background Technology

[0002] In order to extend the shelf life of grain stored in grain depots, it is necessary to ventilate and dry the grain.

[0003] Chinese patent document CN221924356U discloses a ventilation and drying device for grain storage, including a drying box. The drying box contains a turning mechanism, which includes a motor, a coupling, a base shaft, a spiral turning plate, and drying holes. This ventilation and drying device for grain storage uses the turning mechanism inside the drying box to rotate the grain inside the box axially along with the spiral turning plate, thus completing the rotation process. The drying mechanism allows dried external air to be introduced into the hollow cavities of the base shaft and the spiral turning plate, and then dries the grain inside the drying box through the drying holes. This avoids the pores of the drying gas being blocked by grain particles, preventing mid-air blockage and significantly improving the drying effect of the device, thus extending the grain's shelf life.

[0004] The existing technology has the following problems:

[0005] The drying device uses a spiral turning plate to turn the material directly. This results in the following: if the top-view projection diameter of the spiral turning plate is large, the grain turned to the top is difficult to be moved downwards; if the top-view projection diameter of the spiral turning plate is small, the grain around the spiral turning plate is difficult to turn, resulting in poor efficiency. Utility Model Content

[0006] This invention provides a ventilation and drying device for grain storage to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0008] A grain storage ventilation and drying device includes a drying barrel, a base fixedly connected to the lower side of the drying barrel, an agitation mechanism movably sleeved on the inner side of the drying barrel, a barrel cover movably installed on the outer side of the drying barrel near the upper side, a plurality of evenly distributed pipe connection seats fixedly connected to the upper side of the barrel cover, and a retaining ring movably sleeved on the outer side of the drying barrel near the bottom.

[0009] The stirring mechanism includes a motor, the lower side of which is fixedly connected to the middle of the upper surface of the bottom wall of the base. The output end of the motor is fixedly connected to a transmission seat. The outer side of the transmission seat is rotatably connected to the inner side of the bottom wall of the drying barrel. Several transmission seats are evenly distributed on the bottom wall of the drying barrel. A rotating rod is movably sleeved on the outer side of each of the several transmission seats near the upper side. The outer side of the rotating rod near the upper side is movably sleeved on the inner side of the pipe connection seat. A spiral air plate is fixedly connected to the outer side of each of the several rotating rods, and the spiral air plate is located inside the drying barrel.

[0010] Preferably, a plurality of annularly distributed guide platforms are movably installed on the inner lower surface of the drying barrel.

[0011] Preferably, a first support frame is movably sleeved on the outer side of the central rotating rod near the upper side, and the bottom outer side of the first support frame is engaged with the side wall of the drying barrel near the upper side. A second support frame is movably sleeved on the outer side of each of the outermost rotating rods near the upper side, and the side of the second support frame away from the motor is engaged with the side wall of the drying barrel near the upper side.

[0012] Preferably, the upper side of the drying barrel near the edge has several annularly distributed slots.

[0013] Preferably, rubber pads are fixedly connected to the upper sides of the first support frame and the plurality of second support frames.

[0014] Preferably, a gear ring is rotatably connected to the lower side of the drying barrel near the edge, and a first gear is fixedly connected to the outer side of several transmission seats near the lower side. A second gear is rotatably connected to the lower left side of the drying barrel. The outermost first gear is meshed with the inner side of the gear ring on the side away from the motor. The left and right sides of the second gear are meshed with the sides of the adjacent first gear.

[0015] Preferably, the outer side of the guide platform is provided with a ceramic layer.

[0016] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0017] 1. This utility model provides a ventilation and drying device for grain storage, which adopts the cooperation of a guide table, a stirring mechanism, a motor, a transmission base, a rotating rod, a spiral air plate, a first gear, a second gear, and a gear ring. By arranging multiple rotating rods in a concentric circle, multiple spiral air plates can be turned synchronously, which speeds up the turning efficiency of the grain. At the same time, the guide table guides the grain, so that the grain flows automatically to the rotating rod, which improves the efficiency of fixed turning.

[0018] 2. This utility model provides a ventilation and drying device for grain storage, which adopts the cooperation of a drying barrel, a transmission base, a rotating rod, a spiral air plate, a first support frame, a second support frame, a slot, a guide platform, and a barrel cover. The barrel cover fixes the first and second support frames, and the first and second support frames fix and stabilize the upper side of the rotating rod. The transmission base stabilizes the lower side of the rotating rod and transmits power to it, so that the rotating rod can be easily removed from the inside of the drying barrel, so as to achieve the purpose of maintenance of the rotating rod and the spiral air plate, avoiding the problem of disassembly difficulties and maintenance difficulties caused by direct connection. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a partial cross-sectional three-dimensional structural schematic diagram of the present invention;

[0021] Figure 3 This utility model Figure 2 Enlarged structural diagram of part A in the middle;

[0022] Figure 4 This is a partial cross-sectional three-dimensional structural diagram of the motor part of this utility model;

[0023] Figure 5 This is a partial cross-sectional three-dimensional structural diagram of the drying barrel part of this utility model.

[0024] In the diagram: 1. Drying barrel; 2. Base; 3. Agitating mechanism; 31. Motor; 32. Transmission seat; 33. Rotating rod; 34. Spiral air plate; 35. First gear; 36. Second gear; 37. Gear ring; 38. First support frame; 39. Second support frame; 310. Slot; 311. Guide platform; 4. Barrel lid; 5. Pipe connection seat; 6. Retaining ring. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] like Figures 1-5 As shown, a ventilation and drying device for grain storage includes a drying barrel 1, a base 2 fixedly connected to the lower side of the drying barrel 1, an agitation mechanism 3 movably sleeved on the inner side of the drying barrel 1, a barrel cover 4 movably installed on the outer side of the drying barrel 1 near the upper side, a plurality of evenly distributed pipe connection seats 5 fixedly connected to the upper side of the barrel cover 4, and a retaining ring 6 movably sleeved on the outer side of the drying barrel 1 near the bottom.

[0027] The stirring mechanism 3 includes a motor 31. The lower side of the motor 31 is fixedly connected to the middle of the upper surface of the bottom wall of the base 2. The output end of the motor 31 is fixedly connected to a transmission seat 32. The outer side of the transmission seat 32 is rotatably connected to the inner side of the bottom wall of the drying barrel 1. Several transmission seats 32 are evenly distributed on the bottom wall of the drying barrel 1. Rotating rods 33 are movably sleeved on the outer side of several transmission seats 32 near the upper side. The outer side of the rotating rods 33 is movably sleeved on the inner side of the pipe connecting seat 5 near the upper side. Spiral air plates 34 are fixedly connected on the outer side of several rotating rods 33. The spiral air plates 34 are located inside the drying barrel 1.

[0028] It should be noted that the pipe connector 5 is used to connect with the air through which the dry gas is introduced to ventilate the interior. The motor 31 drives the transmission seat 32 to rotate, and when the transmission seat 32 rotates, it drives the rotating rod 33 to rotate, and when the rotating rod 33 rotates, it drives the spiral air plate 34 to rotate.

[0029] like Figure 4 As shown, several annularly distributed guide platforms 311 are movably installed on the lower inner surface of the drying barrel 1.

[0030] It should be noted that the guide table 311 is used to guide the falling air from the top, so that it flows to the rotating rod 33. The outer side of the guide table 311 is movably sleeved inside the side wall of the drying barrel 1 at a position away from the motor 31. The bottom of the guide table 311 is movably sleeved on the locking platform on the upper surface of the bottom wall of the drying barrel 1. By lifting the retaining ring 6, the guide table 311 can be pulled out.

[0031] like Figure 4 As shown, a first support frame 38 is movably sleeved on the outer side of the central rotating rod 33 near the upper side. The bottom outer side of the first support frame 38 is engaged with the side wall of the drying barrel 1 near the upper side. A second support frame 39 is movably sleeved on the outer side of several outermost rotating rods 33 near the upper side. The side of the second support frame 39 away from the motor 31 is engaged with the side wall of the drying barrel 1 near the upper side.

[0032] It should be noted that the first support frame 38 is used to support the innermost rotating rod 33, the second support frame 39 is used to support the outer rotating rod 33, and the bucket lid 4 is used to fix the first support frame 38 and the second support frame 39 to prevent the first support frame 38 and the second support frame 39 from falling off.

[0033] like Figure 5 As shown, several annularly distributed slots 310 are provided on the upper side of the drying barrel 1 near the edge.

[0034] It should be noted that the slot 310 is used to limit the first support frame 38 and the second support frame 39 to prevent the first support frame 38 and the second support frame 39 from being misaligned, which would make it difficult to install the bucket lid 4.

[0035] like Figure 4 As shown, rubber pads are fixedly connected to the upper sides of the first support frame 38 and several second support frames 39.

[0036] It should be noted that the rubber pad is used to fill the gap between the bucket lid 4 and the first support frame 38 and the second support frame 39, so as to prevent the first support frame 38 and the second support frame 39 from moving due to the existence of gaps.

[0037] like Figure 3 As shown, a gear ring 37 is rotatably connected to the lower side of the drying barrel 1 near the edge. Several transmission seats 32 are fixedly connected to the outer side near the lower side with first gears 35. A second gear 36 is rotatably connected to the lower left side of the drying barrel 1. The outermost first gear 35 is meshed with the inner side of the gear ring 37 on the side away from the motor 31. The left and right sides of the second gear 36 are meshed with the sides of the adjacent first gear 35.

[0038] It should be noted that the rotating rods 33 are arranged in concentric circles, with only one rotating rod 33 on the innermost layer. Multiple rotating rods 33 can be set according to the required inner diameter of the drying drum 1. The second gear 36 is located between each layer of rotating rods 33, so multiple second gears 36 can also be set as needed. The gear ring 37 is used to drive the rotating rods 33 on the same layer to rotate synchronously. The first gear 35 on the outermost and innermost rotating rods 33 can avoid interference between the gear ring 37 and the second gear 36 on that layer by increasing its thickness.

[0039] like Figure 5 As shown, the outer side of the guide platform 311 is provided with a ceramic layer.

[0040] It should be noted that the ceramic layer is used to enhance the wear resistance of the guide table 311 and prevent the guide table 311 from being damaged due to long-term friction from grain flow.

[0041] The working principle of this utility model is as follows: First, the motor 31 drives the transmission seat 32 to rotate. When the transmission seat 32 rotates, it drives the rotating rod 33 to rotate. When the rotating rod 33 rotates, it drives the spiral air plate 34 to rotate. The guide table 311 is used to guide the air falling from the upper side to flow to the rotating rod 33. The rotating rods 33 are arranged in concentric circles. There is only one rotating rod 33 in the innermost layer. Multiple rotating rods 33 can be set according to the required inner diameter of the drying barrel 1. The second gear 36 is located between each layer of rotating rods 33, so that multiple second gears 36 can also be set as needed. The gear ring 37 is used to drive the rotation of the same layer. The rods 33 rotate synchronously. The first gear 35 on the outermost and innermost rotating rods 33 can avoid interference between the gear ring 37 and the second gear 36 by increasing its thickness. By arranging multiple rotating rods 33 in a concentric circle, multiple spiral air plates 34 can be turned synchronously, accelerating the turning efficiency of the grain. At the same time, the guide table 311 guides the grain, causing it to flow automatically towards the rotating rods 33, improving the efficiency of fixed turning. Finally, the outer side of the guide table 311, away from the motor 31, is movably fitted into the side wall of the drying barrel 1. The bottom of the guide table 311... The guide platform 311 is attached to the locking platform on the bottom wall surface of the drying barrel 1. Lifting the retaining ring 6 allows the guide platform 311 to be pulled out. The first support frame 38 supports the innermost rotating rod 33, and the second support frame 39 supports the outermost rotating rod 33. The barrel lid 4 secures the first and second support frames 38 and 39, preventing them from falling off. Rubber pads fill the gaps between the barrel lid 4 and the first and second support frames 38 and 39, preventing these gaps from causing movement of the first and second support frames 38 and 39. The ceramic layer reinforces the guide platform 311. To improve wear resistance and prevent damage to the guide table 311 caused by long-term friction from grain flow, the first support frame 38 and the second support frame 39 are fixed by the barrel cover 4. The first support frame 38 and the second support frame 39 are both fixed and stable on the upper side of the rotating rod 33, and the transmission seat 32 stabilizes the lower side of the rotating rod 33 and transmits power to it. This allows the rotating rod 33 to be easily removed from the inside of the drying barrel 1, so as to achieve the purpose of maintenance of the rotating rod 33 and the spiral air plate 34, avoiding the problem of disassembly difficulties and maintenance difficulties caused by direct connection.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A ventilated drying device for grain storage, comprising a drying drum (1), characterized in that: A base (2) is fixedly connected to the lower side of the drying barrel (1), an agitation mechanism (3) is movably sleeved on the inner side of the drying barrel (1), a barrel cover (4) is movably installed on the outer side of the drying barrel (1) near the upper side, a number of evenly distributed pipe connection seats (5) are fixedly connected to the upper side of the barrel cover (4), and a retaining ring (6) is movably sleeved on the outer side of the drying barrel (1) near the bottom. The stirring mechanism (3) includes a motor (31). The lower side of the motor (31) is fixedly connected to the middle of the upper surface of the bottom wall of the base (2). The output end of the motor (31) is fixedly connected to a transmission seat (32). The outer side of the transmission seat (32) is rotatably connected to the inner side of the bottom wall of the drying barrel (1). Several transmission seats (32) are evenly distributed on the bottom wall of the drying barrel (1). A rotating rod (33) is movably sleeved on the outer side of several transmission seats (32) near the upper side. The outer side of the rotating rod (33) near the upper side is movably sleeved on the inner side of the pipe connection seat (5). A spiral air plate (34) is fixedly connected on the outer side of several rotating rods (33), and the spiral air plate (34) is located inside the drying barrel (1).

2. The ventilation and drying device for grain storage according to claim 1, characterized in that: Several annularly distributed guide platforms (311) are movably installed on the lower inner surface of the drying barrel (1).

3. The ventilation and drying device for grain storage according to claim 1, characterized in that: The outer side of the central rotating rod (33) near the upper side is movably sleeved with a first support frame (38). The bottom outer side of the first support frame (38) is engaged with the side wall of the drying barrel (1) near the upper side. The outer sides of the outermost rotating rods (33) are all movably sleeved with second support frames (39) near the upper side. The side of the second support frame (39) away from the motor (31) is engaged with the side wall of the drying barrel (1) near the upper side.

4. The ventilation and drying device for grain storage according to claim 3, characterized in that: The drying barrel (1) has several annularly distributed slots (310) on its upper side near the edge.

5. The ventilation and drying device for grain storage according to claim 3, characterized in that: Rubber pads are fixedly connected to the upper side of the first support frame (38) and several second support frames (39).

6. The ventilation and drying device for grain storage according to claim 1, characterized in that: A gear ring (37) is rotatably connected to the lower side of the drying barrel (1) near the edge. A first gear (35) is fixedly connected to the outer side of several transmission seats (32) near the lower side. A second gear (36) is rotatably connected to the lower left side of the drying barrel (1). The outermost first gear (35) is meshed with the inner side of the gear ring (37) on the side away from the motor (31). The left and right sides of the second gear (36) are meshed with the sides of the adjacent first gear (35).

7. A ventilation and drying device for grain storage according to claim 2, characterized in that: The outer side of the guide platform (311) is provided with a ceramic layer.

Citation Information

Patent Citations

  • Ventilation drying device for grain storage

    CN221924356U