Ventilation device for low-temperature grain storage of granary

Abstract

The ventilation device comprises a ventilation mechanism and installation mechanisms, the installation mechanisms are fixedly connected to the two sides of the top of the ventilation mechanism, each installation mechanism comprises an installation box, and the bottom of an inner cavity of each installation box is fixedly connected with a motor assembly. The output end of the motor assembly is fixedly connected with a first bevel gear, the interior of the mounting box is transversely and movably connected with a positive and negative tooth lead screw through a bearing, the surface of the positive and negative tooth lead screw is sleeved with a second bevel gear, the bottom of the second bevel gear is meshed with the first bevel gear, and the front side and the rear side of the surface of the positive and negative tooth lead screw are both in threaded connection with threaded blocks. And the bottom of the outer side of the screw block is fixedly connected with a mounting insertion plate. According to the ventilation device, a traditional bolt fixing mode is changed, the installation insertion plates are inserted into the supporting legs, a matched installation tool is not needed, large strength does not need to be consumed, and the installation efficiency cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature grain storage, in particular to a ventilation device for low-temperature grain storage in a granary. Background Art

[0002] According to the patents published on the China Patent Network, the patent name is: A ventilation device for low-temperature grain storage in a granary, and the patent application number is: 202122018722.8. The utility model provides a ventilation device for low-temperature grain storage in a granary, including a silo body, and a plurality of ventilation components are arranged on the ground of the silo body, the ventilation components are connected to the main air duct, and the main air duct is connected to the fan component outside the silo; the ventilation components include a first air duct and a second air duct that are connected to each other, the first air duct is installed on the inner wall ground of the silo body, and the second air duct is installed on the ground of the silo body, and air holes are arranged on the first air duct and the second air duct, and the main air duct is connected to the first air duct through an air valve; a plurality of temperature sensors and humidity sensors are arranged in the ventilation area corresponding to the ventilation components; the air valve, temperature sensor and humidity sensor are all connected to the controller; and the above-mentioned ventilation devices are all installed by bolts, and bolt fixing not only requires matching installation tools, but also requires a lot of effort, which greatly affects the installation efficiency.

[0003] Therefore, it is necessary to redesign the ventilation device to effectively prevent the phenomenon that it is inconvenient to install. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a ventilation device for low-temperature grain storage in a granary, which has the advantage of being easy to install and solves the problem of inconvenient installation.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a ventilation device for low-temperature grain storage in a granary, comprising:

[0006] Ventilation mechanism;

[0007] The mounting mechanism is fixedly connected to both sides of the top of the ventilation mechanism, and the mounting mechanism includes a mounting box, the bottom of the inner cavity of the mounting box is fixedly connected with a motor assembly, the output end of the motor assembly is fixedly connected with a bevel gear 1, the interior of the mounting box is laterally connected with a forward and reverse screw rod through a bearing, the surface of the forward and reverse screw rod is sleeved with a bevel gear 2, the bottom of the bevel gear 2 is meshed with the bevel gear 1, the front and rear sides of the surface of the forward and reverse screw rod are threadedly connected with a screw block, the bottom of the outer side of the screw block is fixedly connected with a mounting plug plate, and the outer side of the mounting plug plate passes through the interior of the ventilation mechanism.

[0008] As a preferred embodiment of the present invention, the ventilation mechanism comprises a base plate, the front side and the rear side of the top of the base plate are fixedly connected with legs, and the top of the legs is fixedly connected with a ventilation assembly.

[0009] As a preferred embodiment of the utility model, a slide plate is fixedly connected to the bottom of the inner side of the screw block, and the inner side of the slide plate is slidably connected to the inner wall of the installation box.

[0010] As a preferred embodiment of the present invention, a slide groove is provided on the front side and the rear side of the inner side of the inner cavity of the installation box, and the inner side of the slide plate is slidably connected to the inside of the slide groove.

[0011] As a preferred embodiment of the present invention, a positioning block is fixedly connected to the inner side of the motor assembly, and the bottom of the positioning block is fixedly connected to the inner wall of the installation box.

[0012] As a preferred embodiment of the utility model, a limit rod is provided through the interior of the slide plate, and the front and back sides of the limit rod are fixedly connected to the inner wall of the installation box.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model ventilation device changes the traditional bolt fixing method and adopts the installation plug plate to be inserted into the inside of the support leg, so there is no need for matching installation tools, nor does it require a lot of effort, and it will not affect the efficiency of installation.

[0015] 2. The utility model can ventilate the grain pile in the low temperature season through the setting of the ventilation mechanism, reduce the temperature of the grain and form a low temperature environment, which is beneficial to maintaining the quality of the grain, effectively preventing insects, inhibiting the growth and development of mites and microorganisms, reducing the number of fumigation and the amount of medicine used, thereby improving the grain storage performance, and can also cool and dissipate moisture, balance the grain temperature, prevent condensation or top and wall hanging caused by moisture transfer in the grain pile, and can also eliminate the heat accumulated in the grain, reduce the moisture content of the grain, and effectively prevent the grain from heating up and mildewing. It can eliminate the odor or residual fumigation gas formed in the grain pile due to long-term storage. For room-type warehouses or vertical silos with good air tightness, the ventilation system can be used for circulation insecticide to promote uniform distribution of poisonous gas and improve the prevention and control effect of fumigants and protective agents.

[0016] 3. The utility model can make the screw block move outward more stably through the setting of the slide plate, and at the same time limit the moving speed of the screw block to avoid the screw block from tilting.

[0017] 4. The utility model can make the slide plate slide more smoothly inside the installation box through the setting of the slide groove, thereby reducing the friction between the slide plate and the installation box, extending the service life of the slide plate, and at the same time having a limiting effect on the slide plate.

[0018] 5. The utility model can make the motor assembly operate more stably by setting the positioning block, and at the same time offset the vibration generated by the motor assembly during operation, thereby increasing the service life of the motor assembly.

[0019] 6. The utility model can make the skateboard move outward more stably by setting the limit rod, and at the same time limit the moving trajectory of the skateboard, thereby avoiding the skateboard from deviating during the movement and increasing the service life of the skateboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a structural diagram of the ventilation mechanism of the utility model;

[0022] Figure 3 It is a cross-sectional view of the installation box of the utility model.

[0023] In the figure: 1. ventilation mechanism; 11. bottom plate; 12. support leg; 13. ventilation assembly; 2. mounting mechanism; 21. mounting box; 22. motor assembly; 23. bevel gear 1; 24. forward and reverse screw rod; 25. bevel gear 2; 26. screw block; 27. mounting plug plate; 3. slide plate; 4. slide groove; 5. positioning block; 6. limit rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 3 As shown, the utility model provides a ventilation device for low-temperature grain storage in a granary, comprising:

[0026] Ventilation mechanism 1;

[0027] The mounting mechanism 2 is fixedly connected to both sides of the top of the ventilation mechanism 1. The mounting mechanism 2 includes a mounting box 21. The bottom of the inner cavity of the mounting box 21 is fixedly connected with a motor assembly 22. The output end of the motor assembly 22 is fixedly connected with a bevel gear 1 23. The interior of the mounting box 21 is laterally connected with a forward and reverse screw rod 24 through a bearing. The surface of the forward and reverse screw rod 24 is sleeved with a bevel gear 25. The bottom of the bevel gear 25 is meshed with the bevel gear 1 23. The front and rear sides of the surface of the forward and reverse screw rod 24 are both threadedly connected with a screw block 26. The bottom of the outer side of the screw block 26 is fixedly connected with a mounting plug plate 27. The outer side of the mounting plug plate 27 passes through the interior of the ventilation mechanism 1.

[0028] refer to Figure 2 The ventilation mechanism 1 includes a bottom plate 11 , the front side and the rear side of the top of the bottom plate 11 are fixedly connected with supporting legs 12 , and the top of the supporting legs 12 is fixedly connected with a ventilation assembly 13 .

[0029] As a technical optimization scheme of the utility model, through the setting of the ventilation mechanism 1, it is possible to ventilate the grain pile in the low temperature season, reduce the temperature of the grain and form a low temperature environment, which is beneficial to maintaining the quality of the grain, effectively preventing insects, inhibiting the growth and development of mites and microorganisms, reducing the number of fumigation and the amount of medicine used, thereby improving the grain storage performance, and can also cool and dissipate moisture, balance the grain temperature, and prevent condensation or top and wall hanging caused by moisture transfer in the grain pile. It can also eliminate the heat accumulated in the grain, reduce the moisture content of the grain, and effectively prevent the grain from heating up and mildewing. It can eliminate the odor or residual fumigation gas formed in the grain pile due to long-term storage. For room-type warehouses or vertical silos with good air tightness, the ventilation system can be used for circulation insecticide to promote uniform distribution of poisonous gas and improve the prevention and control effect of fumigants and protective agents.

[0030] refer to Figure 3 The bottom of the inner side of the screw block 26 is fixedly connected with the slide plate 3, and the inner side of the slide plate 3 is slidably connected with the inner wall of the installation box 21.

[0031] As a technical optimization solution of the utility model, the setting of the slide plate 3 can make the screw block 26 move outward more stably, and at the same time limit the moving speed of the screw block 26 to avoid the screw block 26 from tilting.

[0032] refer to Figure 3 A slide groove 4 is provided on the front side and the rear side of the inner cavity of the installation box 21 , and the inner side of the slide plate 3 is slidably connected to the inside of the slide groove 4 .

[0033] As a technical optimization solution of the utility model, through the setting of the slide groove 4, the slide plate 3 can slide more smoothly inside the installation box 21, reducing the friction between the slide plate 3 and the installation box 21, extending the service life of the slide plate 3, and at the same time having a limiting effect on the slide plate 3.

[0034] refer to Figure 3 A positioning block 5 is fixedly connected to the inner side of the motor assembly 22 , and the bottom of the positioning block 5 is fixedly connected to the inner wall of the installation box 21 .

[0035] As a technical optimization solution of the present invention, the positioning block 5 is provided to enable the motor assembly 22 to operate more stably, while offsetting the vibration generated by the motor assembly 22 during operation, thereby increasing the service life of the motor assembly 22.

[0036] refer to Figure 3 A limiting rod 6 is provided inside the slide plate 3 , and the front and back sides of the limiting rod 6 are fixedly connected to the inner wall of the installation box 21 .

[0037] As a technical optimization solution of the utility model, the setting of the limit rod 6 can make the skateboard 3 move outward more stably, and at the same time limit the moving trajectory of the skateboard 3, thereby avoiding the skateboard 3 from deviating during the movement and increasing the service life of the skateboard 3.

[0038] The working principle and use process of the utility model are as follows: first, the user places the ventilation component 13 on the top of the base plate 11, and then starts the motor component 22. The output end of the motor component 22 drives the bevel gear 1 23 to rotate, the bevel gear 1 23 drives the bevel gear 25 to rotate, the bevel gear 25 drives the forward and reverse screw rods 24 to rotate, the forward and reverse screw rods 24 drive the screw block 26 to move outward, the screw block 26 drives the installation plug plate 27 to move outward, so that the installation plug plate 27 is plugged into the inside of the support leg 12, so as to achieve the effect of easy installation.

[0039] In summary: the ventilation device for low-temperature grain storage in the granary changes the traditional bolt fixing method through the ventilation device, and adopts the installation plug plate 27 to be inserted into the inside of the support leg 12, so there is no need for matching installation tools, nor does it require a lot of effort, and it will not affect the efficiency of installation.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for low-temperature grain storage in a granary, characterized in that: include: Ventilation mechanism (1); The mounting mechanism (2) is fixedly connected to both sides of the top of the ventilation mechanism (1), and the mounting mechanism (2) comprises a mounting box (21). The bottom of the inner cavity of the mounting box (21) is fixedly connected to a motor assembly (22), and the output end of the motor assembly (22) is fixedly connected to a bevel gear 1 (23). The interior of the mounting box (21) is laterally connected to a positive and negative threaded rod (24) through a bearing. The surface of the positive and negative threaded rod (24) is sleeved with a bevel gear 2 (25), and the bottom of the bevel gear 2 (25) is meshed with the bevel gear 1 (23). The front and rear sides of the surface of the positive and negative threaded rod (24) are both threadedly connected to a screw block (26), and the bottom of the outer side of the screw block (26) is fixedly connected to a mounting plug plate (27), and the outer side of the mounting plug plate (27) passes through the interior of the ventilation mechanism (1).

2. A ventilation device for low-temperature grain storage in a granary according to claim 1, characterized in that: The ventilation mechanism (1) comprises a bottom plate (11), the front side and the rear side of the top of the bottom plate (11) are both fixedly connected with supporting legs (12), and the top of the supporting legs (12) is fixedly connected with a ventilation assembly (13).

3. A ventilation device for low-temperature grain storage in a granary according to claim 1, characterized in that: The bottom of the inner side of the screw block (26) is fixedly connected with a slide plate (3), and the inner side of the slide plate (3) is slidably connected with the inner wall of the installation box (21).

4. A ventilation device for low-temperature grain storage in a granary according to claim 3, characterized in that: The front side and the rear side of the inner cavity of the installation box (21) are both provided with a slide groove (4), and the inner side of the slide plate (3) is slidably connected to the inside of the slide groove (4).

5. The ventilation device for low-temperature grain storage in a granary according to claim 1, characterized in that: A positioning block (5) is fixedly connected to the inner side of the motor assembly (22), and the bottom of the positioning block (5) is fixedly connected to the inner wall of the installation box (21).

6. A ventilation device for low-temperature grain storage in a granary according to claim 3, characterized in that: A limiting rod (6) is provided inside the slide plate (3) and penetrates through the inside. The front and back sides of the limiting rod (6) are fixedly connected to the inner wall of the installation box (21).

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