A positive pressure air conveying device for grain materials

Abstract

The utility model discloses a positive-pressure air delivery device for grain materials. The utility model relates to the technical field of grain production equipment. The positive-pressure air delivery device for grain materials is provided with a support platform, an air delivery pipe, a pipeline adjustment component, a first blower and a second blower. The first blower delivers air at the grain inlet so that the grain can enter the interior of the connecting pipe and be transported to the air delivery pipe for grain transportation. The second blower blows air into a discharge channel at the support platform so that the grain in the air delivery pipe can drop to the discharge channel and be transported to the discharge pipe, which can prevent the grain in the air delivery pipe from being blocked inside the pipe and ensure that the grain can be normally transported to the lower end of the discharge pipe. In addition, a collecting bag placement component is also provided in the device. The collecting bag can be fixed on the collecting bag placement component by using a U-shaped fastener. When taking it later, the collecting bag placement component can be opened without lifting the placement bag above the device, thereby reducing manual handling and making it more convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of grain production equipment, in particular to a positive pressure air conveying device for grain materials. Background Art

[0002] At present, large rural areas, enterprises, grain stations and other places where grain is transported and used in large quantities need to use grain pneumatic conveying and lifting devices to transport grain. However, the existing grain pneumatic conveying and lifting devices only rely on one blower to operate, and the pipeline is easily blocked.

[0003] For example, the utility model with patent number CN202321566328.0 discloses a grain air-conveying and lifting device, including a support frame, an air-conveying pipe is provided on the top of the support frame, a column is installed between the air-conveying pipe and the support frame, a hose and a box are provided at both ends of the air-conveying pipe, a grain-lifting device is provided at the bottom of the hose, a movable plate is installed inside the grain-lifting device, a hydraulic cylinder is provided at the bottom of the movable plate, the movable plate and the inner wall of the grain-lifting device are gap-matched, the box is provided with a collecting bag, a control component is installed on the end surface of the air-conveying pipe close to the box, and the control component is located directly above the collecting bag. A feeding and lifting device is provided, which is controlled by an automatically controlled hydraulic cylinder, which will not affect the overall air-conveying efficiency and saves time and effort. By providing a control component, the automatic control structure ensures that the grain does not spill, and avoids the potential safety hazards of manual labor, thereby ensuring the air-conveying efficiency.

[0004] The grain air-conveying and lifting device in this patent uses a blower to drive the grain to circulate in the air-conveying pipe. Over time, there will be grain residue inside the air-conveying pipe, which is easy to accumulate in the air-conveying pipe and cause blockage. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a positive-pressure air conveying device for grain materials, which solves the problem that the air conveying pipe is easily blocked.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a positive pressure air delivery device for grain materials, comprising a base, a collecting bag placing assembly is arranged on the upper surface of the base, a handrail frame is welded on the outer side of the base, a roller is arranged on the lower side of the base, a U-shaped fastener is detachably installed on the collecting bag placing assembly, a control box is arranged on the outer side of the collecting bag placing assembly, a support platform is fixedly installed on the upper end of the control box, an air delivery pipe is installed on the support platform, a pipeline adjustment assembly is installed on the upper surface of the support platform, a fixing plate is fixedly installed on the end of the air delivery pipe, an adjusting cylinder is fixedly installed on the upper end of the fixing plate, a connecting rod is fixedly installed on the movable end of the adjusting cylinder, a movable plate is fixedly installed on the lower end of the connecting rod, a connecting pipe is fixedly connected between the fixed plate and the movable plate, a support plate is fixedly installed on the lower end of the movable plate, an air blowing pipe is fixedly connected to the outside of the connecting pipe, and a first blower is fixedly installed on the end of the air blowing pipe.

[0007] Preferably, a telescopic portion is provided on the upper portion of the connecting pipe, and the connecting pipe extends downward to the outside of the movable plate.

[0008] Preferably, a discharge pipe is fixedly installed on the outside of the support platform, a discharge channel is opened inside the support platform, and a second blower is arranged outside the discharge channel.

[0009] Preferably, the collecting bag placement assembly comprises a first protective plate, a second protective plate is arranged on the side of the first protective plate, and the first protective plate and the second protective plate are connected to each other via a hinge.

[0010] Furthermore, a connecting plate is provided on the other side of the first protective plate and the second protective plate, and connecting bolts are detachably installed on the connecting plate.

[0011] Preferably, the pipeline adjustment component includes a driving motor, the output end of the driving motor is provided with a rotating shaft, and the upper end of the rotating shaft is fixedly mounted with a driving gear.

[0012] Furthermore, a driven gear is fixedly installed on the outside of the air delivery pipe, and the driving gear and the driven gear are meshingly connected.

[0013] Beneficial Effects

[0014] The utility model provides a positive pressure air conveying device for grain materials. Compared with the prior art, it has the following beneficial effects:

[0015] The positive-pressure air delivery device for grain materials is provided with a support platform, an air delivery pipe, a pipe adjustment component, a first blower and a second blower. The first blower delivers air at the grain inlet so that the grain can enter the interior of the connecting pipe and be transported to the air delivery pipe for grain transportation. At the same time, the second blower blows air into the discharge channel at the support platform so that the grain in the air delivery pipe can drop to the discharge channel and be transported to the discharge pipe, thereby preventing the grain in the air delivery pipe from being blocked inside the pipe and ensuring that the grain can be normally transported to the lower end of the discharge pipe. In addition, the device is also provided with a collecting bag placement component, and the collecting bag can be fixed on the collecting bag placement component by using a U-shaped fastener. When taking it later, the collecting bag placement component can be opened without lifting the placement bag above the device, thereby reducing manual handling and making it more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the collecting bag placement assembly in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the connecting pipe in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the pipeline adjustment component in the utility model.

[0020] In the figure: 1. base; 2. collection bag placement assembly; 201. first protective plate; 202. second protective plate; 203. hinge link; 204. connecting plate; 205. connecting bolt; 3. handrail; 4. U-shaped fastener; 5. control box; 6. support platform; 7. second blower; 8. air delivery pipe; 9. pipeline adjustment assembly; 901. drive motor; 902. driving gear; 903. driven gear; 10. fixed plate; 11. adjustment cylinder; 12. connecting rod; 13. movable plate; 14. connecting pipe; 1401. telescopic part; 15. blowing pipe; 16. support plate; 17. first blower; 18. roller; 19. discharge pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4The utility model provides a technical solution: a positive pressure air delivery device for grain materials, including a base 1, a collecting bag placement component 2 is arranged on the upper surface of the base 1, a handrail frame 3 is welded on the outer side of the base 1, a roller 18 is arranged on the lower side of the base 1, and a U-shaped fastener 4 is detachably installed on the collecting bag placement component 2. The collecting bag can be fixed on the collecting bag placement component 2 by using the U-shaped fastener 4. When taking it later, the collecting bag placement component 2 can be opened, and there is no need to lift the placement bag to the top of the device, which reduces manual handling and makes the operation more convenient. A control box 5 is arranged on the outer side of the collecting bag placement component 2, and a support platform 6 is fixedly installed on the upper end of the control box 5, and a wind The air delivery pipe 8 and the support platform 6 are provided with a pipeline adjustment component 9 on their upper surfaces, a fixed plate 10 is fixedly installed at the end of the air delivery pipe 8, an adjustment cylinder 11 is fixedly installed at the upper end of the fixed plate 10, a connecting rod 12 is fixedly installed at the movable end of the adjusting cylinder 11, a movable plate 13 is fixedly installed at the lower end of the connecting rod 12, a connecting pipe 14 is fixedly connected between the fixed plate 10 and the movable plate 13, a support plate 16 is fixedly installed at the lower end of the movable plate 13, an air blowing pipe 15 is fixedly connected to the outside of the connecting pipe 14, a first blower 17 is fixedly installed at the end of the air blowing pipe 15, by setting the first blower 17, grain can be sucked into the connecting pipe 14 and transported to the air delivery pipe 8 for grain transportation.

[0023] A telescopic portion 1401 is provided on the upper portion of the connecting pipe 14, and the connecting pipe 14 extends downward to the outside of the movable plate 13. By providing the telescopic portion 1401, it is ensured that the connecting pipe 14 can be normally opened when the adjusting cylinder 11 pushes the connecting rod 12 and the movable plate 13 downward. A discharge pipe 19 is fixedly installed on the outside of the support platform 6, and a discharge channel is opened inside the support platform 6. A second blower 7 is provided on the outside of the discharge channel. The second blower 7 blows air into the discharge channel at the support platform 6, so that the grain in the air delivery pipe 8 can drop to the discharge channel and be transported to the discharge pipe 19, which can prevent the grain in the air delivery pipe 8 from being blocked inside the pipeline. The collecting bag placement component 2 includes a first protective plate 201, and a second protective plate 202 is provided on the side of the first protective plate 201. The plate 201 and the second protective plate 202 are connected to each other by a hinge 203. A connecting plate 204 is arranged on the other side of the first protective plate 201 and the second protective plate 202. A connecting bolt 205 is detachably installed on the connecting plate 204. The pipeline adjustment component 9 includes a driving motor 901. A rotating shaft is arranged at the output end of the driving motor 901. A driving gear 902 is fixedly installed on the upper end of the rotating shaft. A driven gear 903 is fixedly installed on the outer side of the air delivery pipe 8. The driving gear 902 and the driven gear 903 are meshingly connected. The driving motor 901 can drive the driving gear 902 to rotate, thereby driving the driven gear 903 to rotate, changing the direction of the air delivery pipe 8, ensuring that the grain can be moved to the other side for transportation after the grain transportation at one place is completed, thereby expanding the grain air delivery range.

[0024] During operation, the collecting bag is first placed between the first protective plate 201 and the second protective plate 202, and fixed with the U-shaped fastener 4. After being fixed, the hand is held on the handrail frame 3, and the device is moved to the position where the grain needs to be transferred. Then the movable plate 13 and the connecting pipe 14 are moved down to the grain, and then the first blower 17 and the second blower 7 are turned on. The first blower 17 supplies air at the grain inlet, so that the grain can enter the connecting pipe 14 and be transported to the air delivery pipe 8 for grain transfer. The second blower 7 is on the support platform. 6, blow air into the discharge channel so that the grain in the air delivery pipe 8 can drop to the discharge channel and be transported to the discharge pipe 19, which can prevent the grain in the air delivery pipe 8 from being blocked inside the pipe, ensure that the grain can be normally transported to the lower end of the discharge pipe 19, and then fall from the discharge pipe 19 to the collecting bag for collection. After the collecting bag is full, turn off the first blower 17 and the second blower 7, then loosen the connecting bolts 205 and the U-shaped fastener 4, open the second protective plate 202, remove the collecting bag and replace it with a new one, and repeat the above operations.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A positive pressure air conveying device for grain materials, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a collection bag placement component (2), the outer side of the base (1) is welded with a handrail frame (3), the lower side of the base (1) is provided with a roller (18), the collection bag placement component (2) is detachably mounted with a U-shaped fastener (4), the outer side of the collection bag placement component (2) is provided with a control box (5), the upper end of the control box (5) is fixedly mounted with a support platform (6), the support platform (6) is mounted with an air delivery pipe (8), the upper surface of the support platform (6) is mounted with a pipeline adjustment component (9), the end of the air delivery pipe (8) is fixedly mounted A fixed plate (10) is provided, an adjusting cylinder (11) is fixedly mounted on the upper end of the fixed plate (10), a connecting rod (12) is fixedly mounted on the movable end of the adjusting cylinder (11), a movable plate (13) is fixedly mounted on the lower end of the connecting rod (12), a connecting pipe (14) is fixedly connected between the fixed plate (10) and the movable plate (13), a supporting plate (16) is fixedly mounted on the lower end of the movable plate (13), an air blowing pipe (15) is fixedly connected to the outside of the connecting pipe (14), and a first blower (17) is fixedly mounted on the end of the air blowing pipe (15).

2. The positive pressure air conveying device for grain materials according to claim 1, characterized in that: The upper portion of the connecting pipe (14) is provided with a telescopic portion (1401), and the connecting pipe (14) extends downward to the outside of the movable plate (13).

3. The positive pressure air conveying device for grain materials according to claim 1, characterized in that: A discharge pipe (19) is fixedly mounted on the outside of the support platform (6), a discharge channel is provided inside the support platform (6), and a second blower (7) is provided outside the discharge channel.

4. The positive pressure air conveying device for grain materials according to claim 1, characterized in that: The collecting bag placement assembly (2) comprises a first protective plate (201), a second protective plate (202) is arranged on the side of the first protective plate (201), and the first protective plate (201) and the second protective plate (202) are connected to each other via a hinge (203).

5. The positive pressure air conveying device for grain materials according to claim 4, characterized in that: A connecting plate (204) is provided on the other side of the first protective plate (201) and the second protective plate (202), and a connecting bolt (205) is detachably mounted on the connecting plate (204).

6. The positive pressure air conveying device for grain materials according to claim 1, characterized in that: The pipeline adjustment component (9) comprises a driving motor (901), the output end of the driving motor (901) is provided with a rotating shaft, and the upper end of the rotating shaft is fixedly mounted with a driving gear (902).

7. The positive pressure air conveying device for grain materials according to claim 6, characterized in that: A driven gear (903) is fixedly mounted on the outside of the air delivery pipe (8), and the driving gear (902) and the driven gear (903) are meshingly connected.

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