Anti-pressing device of bucket elevator and bucket elevator

Abstract

The utility model discloses a bucket elevator and the dead pressure prevention device of bucket elevator, including open-type aeration tank, fan, dust collector, open-type aeration tank is fixed on the casing inner wall of elevator's tail wheel peripheral side and bottom, open-type aeration tank's air inlet is communicated with the fan's air outlet through the ventilation duct, open-type aeration tank's air inlet is communicated with the fan's air outlet through the ventilation duct, and the dust collector's air inlet is communicated with the fan's air outlet through the ventilation duct. At least one dust outlet is formed in the position, above the open type inflation box, of the shell, the dust collector is fixed to the outer wall of the shell, and a dust collection inlet of the dust collector is communicated with the dust outlet. Air is supplied to the open type aeration tank through the fan, accumulated powdery materials are activated, the hopper is prevented from being pressed tightly, labor force is reduced, the automation level is improved, the structure is simple, and the service life of the bucket elevator is prolonged.

Description

Technical field:

[0001] The utility model relates to the technical field of conveyor equipment, in particular to an anti-crushing device of a bucket elevator and the bucket elevator. Background technology:

[0002] Bucket elevator is a commonly used conveying equipment, which is widely used in various industrial productions. It can convey powders, granules, blocks, etc. of various particle sizes. The emergence of this equipment has greatly improved the efficiency and automation of industrial production. When the existing bucket elevator lifts powdered materials, a large amount of dust is generated in the elevator housing, and there may also be leakage and spillage of the hopper. These large amounts of dust and scattered materials finally fall to the bottom of the elevator. Therefore, after the bucket elevator stops running for a long time, a large amount of powdered materials are accumulated on the tail wheel device at the bottom of the housing, and even the height of the accumulated materials in the tail wheel reaches above the tail wheel redirection roller. There is a phenomenon of the bucket being crushed, and it is difficult to start when restarting. It must be started after manual cleaning, resulting in high labor intensity, low automation level, and severe environmental pollution. Utility model content:

[0003] The utility model aims to provide a bucket elevator anti-crushing device and a bucket elevator. The anti-crushing device is arranged at the bottom of the bucket elevator housing, and air is supplied to the open air filling box through a fan to activate the accumulated powdered materials, thereby preventing the bucket from being crushed, reducing labor, improving the level of automation, and having a simple structure.

[0004] The first purpose of the utility model is implemented by the following technical scheme: a bucket elevator anti-crushing device, including an open air box, a fan, and a dust collector. The open air box is fixedly arranged on the inner wall of the shell around the tail wheel and the bottom of the elevator. The air inlet of the open air box is connected with the air outlet of the fan through a ventilation duct. At least one dust outlet is provided on the shell above the open air box. The dust collector is fixed on the outer wall of the shell, and the dust suction inlet of the dust collector is connected with the dust outlet.

[0005] Furthermore, at least five open air boxes are provided, which are respectively fixed on the inner wall of the shell at the front, back, left, right and bottom of the tail wheel, and the five open air boxes are connected through a ventilation duct.

[0006] Furthermore, there are four dust outlets, which are respectively opened on the front, back, left and right surfaces of the shell. The four dust outlets are arranged on the same horizontal plane and are connected to the dust suction inlet of the dust collector through the dust suction pipe.

[0007] Furthermore, the blower is a Roots blower or a high-pressure centrifugal blower.

[0008] Furthermore, a first bracket is fixedly provided on the outer wall of the shell, and the dust collector is fixed on the first bracket.

[0009] The second purpose of the utility model is implemented by the following technical scheme: a bucket elevator, comprising a shell, a tail wheel, a transmission wheel, a feed port, a discharge port, a drive motor, and a lifting belt, characterized in that it also includes the above-mentioned anti-crushing device, the transmission wheel is rotatably connected to the shell through a bearing, the drive motor is fixed above the shell, the drive motor and the transmission wheel are connected through a belt drive, the transmission wheel and the tail wheel are connected through the lifting belt drive, a plurality of buckets are fixed on the lifting belt, the tail wheel is arranged at the bottom of the elevator shell, the tail wheel is rotatably connected to two bearing brackets on both sides of the tail wheel axis through a bearing, and the bearing bracket is fixed to the bottom of the shell.

[0010] Furthermore, a blocking plate is provided on the feed inlet.

[0011] Furthermore, a second bracket is fixedly provided on the outer wall of the shell, and the driving motor is fixed on the second bracket.

[0012] The utility model has the advantages that the utility model supplies air to the open air charging box through the fan to activate the accumulated powdery materials, and sucks the activated powdery materials through the dust collector to prevent the hopper from being crushed, reduce labor, improve the level of automation, and have a simple structure. Description of the drawings:

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the structure of the anti-crushing device of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the bucket elevator of the utility model;

[0016] Figure 3 It is a bottom side view of the bucket elevator of the utility model.

[0017] In the figure: 1. shell, 2. tail wheel, 3. transmission wheel, 4. feed port, 5. discharge port, 6. drive motor, 7. open air box, 8. fan, 9. dust collector, 10. blocking plate, 11. lifting belt, 12. hopper, 13. first bracket, 14. second bracket, 15. ventilation duct, 16. bearing bracket, 17. dust suction pipe, 18. dust outlet, 19. cover body. Specific implementation method:

[0018] Example 1

[0019] 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.

[0020] like Figure 1-3 As shown, an anti-crushing device for a bucket elevator includes an open air box 7, a fan 8, and a dust collector 9. The open air box 7 is fixedly arranged on the inner wall of the shell 1 on the side and bottom of the tail wheel 2 of the elevator. The open air box 7 can be fixed to the inner wall of the shell 1 by bolts or welding. In this embodiment, bolts are used to fix it to the inner wall of the shell 1. The air inlet of the open air charging box 7 is connected to the air outlet of the fan 8 through the ventilation duct 15. The fan 8 can adopt an existing fan such as a Roots blower or a high-pressure centrifugal blower. The air volume of the fan 8 can be adjusted according to the thickness of the powder material accumulation. At least one dust outlet 18 is provided on the shell 1 above the open air charging box 7. The dust collector 9 is fixed on the outer wall of the shell 1. In this embodiment, four dust outlets 18 are provided, which are respectively provided on the front, back, left and right four surfaces of the shell 1. The four dust outlets 18 are arranged on the same horizontal plane and are connected to the dust suction inlet of the dust collector 9 through the dust suction pipe 17. The dust collector adopts an FDD type dust collector. A cover body 19 is provided at the dust outlet 18 on the inner wall of the shell 1, and the dust suction inlet of the dust collector 9 is connected to the dust outlet 18. When the elevator is not started for a long time, powdered materials are piled up under the tail wheel 2 at the bottom of the shell 1. Before starting the bucket elevator each time, the operator starts the fan 8 and the dust collector 9, and supplies air to the open air box 7 through the fan 8. The air in the air box 7 starts to pass through the breathable cloth of the air box 7 to activate the accumulated powdered materials, and then the dust collector 9 sucks the activated powdered materials. Before starting the bucket elevator each time, the powdered materials are basically activated within about 90 seconds of air supply, and then the bucket elevator is started to prevent the bucket 12 from being crushed, reduce labor, improve the level of automation, and have a simple structure.

[0021] Specifically, there are at least five open air boxes 7, which are respectively fixed on the inner wall of the elevator shell 1 in front, behind, left, right and bottom of the tail wheel 2. The specific number can be determined according to the size of the bucket elevator and the open air box 7, but at least one open air box 7 is set on each side and the bottom of the shell 1. The five open air boxes 7 are connected by ventilation ducts 15, and can be connected in pairs or connected in series. In short, a fan 8 can be used between each open air box 7 to achieve the effect of supplying air to multiple open air boxes 7.

[0022] Specifically, a first bracket 13 is fixed on the outer wall of the housing 1, and the dust collector 9 is fixed on the first bracket 13. The first bracket 13 can be fixed to the housing 1 by bolts or welding, and the dust collector 9 can be fixed to the first bracket 13 by bolts or welding, and the structure is simple and firm.

[0023] Example 2

[0024] like Figure 1-3 As shown, a bucket elevator comprises a shell 1, a tail wheel 2, a transmission wheel 3, a feed port 4, a discharge port 5, a drive motor 6, and a lifting belt 11, and also comprises the anti-crushing device described in Example 1, wherein the transmission wheel 3 is rotatably connected to the shell 1 through a bearing, the drive motor 6 is fixed above the shell 1, a second bracket 14 is fixedly provided on the outer wall of the shell 1, the drive motor 6 is fixed on the second bracket 14, the second bracket 14 is fixed to the shell 1 by bolts or welding, the second bracket 14 is fixed to the drive motor 6 by bolts or welding, the drive motor 6 is connected to the transmission wheel 3 by belt transmission, the transmission wheel 3 is connected to the tail wheel 2 by the lifting belt 11, a plurality of buckets 12 are fixed on the lifting belt 11, the tail wheel 2 is arranged at the bottom of the elevator shell 1, the tail wheel 2 is rotatably connected to two bearing brackets 16 on both sides of the axial direction of the tail wheel 2 by bearings, the bearing bracket 16 is fixed to the bottom of the shell 1, and the bearing bracket 16 is fixed to the bottom of the shell 1 by bolts or welding. A blocking plate 10 is provided on the feed port 4. Before starting the bucket elevator each time, the feed port 4 is blocked with the blocking plate 10, and then the fan 8 and the dust collector are started. The fan 8 is used to supply air to the open air filling box 7. The air in the air filling box 7 starts to pass through the breathable cloth of the air filling box 7 to activate the accumulated powdered materials. Then the activated powdered materials are sucked through the four dust outlets 18 by the dust collector. Each time before starting the bucket elevator, the air supply takes about 90 seconds to basically complete the activation of the powdered materials, and then the bucket elevator is started to prevent the bucket 12 from being crushed to death, reduce labor, improve the level of automation, have a simple structure, and extend the service life of the bucket elevator.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bucket elevator anti-crushing device, characterized in that: It includes an open air box, a fan, and a dust collector. The open air box is fixedly arranged on the inner wall of the shell around the tail wheel and the bottom of the elevator. The air inlet of the open air box is connected with the air outlet of the fan through a ventilation duct. At least one dust outlet is provided on the shell above the open air box. The dust collector is fixed on the outer wall of the shell, and the dust suction inlet of the dust collector is connected with the dust outlet.

2. The anti-crushing device of a bucket elevator according to claim 1, characterized in that: At least five open air boxes are provided, which are respectively fixed on the inner wall of the shell at the front, back, left, right and bottom of the tail wheel, and the five open air boxes are connected through a ventilation duct.

3. The anti-crushing device of a bucket elevator according to claim 1, characterized in that: There are four dust outlets, which are respectively opened on the front, back, left and right four surfaces of the shell. The four dust outlets are arranged on the same horizontal plane and are connected with the dust suction inlet of the dust collector through the dust suction pipe.

4. The anti-crushing device of a bucket elevator according to claim 1, characterized in that: The blower is a Roots blower or a high-pressure centrifugal blower.

5. The anti-crushing device of a bucket elevator according to claim 2, characterized in that: A first bracket is fixedly provided on the outer wall of the shell, and the dust collector is fixed on the first bracket.

6. A bucket elevator, comprising a housing, a tail wheel, a transmission wheel, a feed port, a discharge port, a drive motor, and a lifting belt, characterized in that: It also includes the anti-crushing device described in any one of claims 1-5, the transmission wheel is rotatably connected to the shell through a bearing, the driving motor is fixed above the shell, the driving motor and the transmission wheel are connected through a belt transmission, the transmission wheel and the tail wheel are connected through the lifting belt transmission, a plurality of hoppers are fixed on the lifting belt, the tail wheel is arranged at the bottom of the elevator shell, the tail wheel is rotatably connected to two bearing brackets on both sides of the tail wheel axis through bearings, and the bearing brackets are fixed at the bottom of the shell.

7. A bucket elevator according to claim 6, characterized in that: A blocking plate is provided on the feed inlet.

8. The bucket elevator according to claim 6, characterized in that: A second bracket is fixedly provided on the outer wall of the shell, and the driving motor is fixed on the second bracket.

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