Coal transportation device

Abstract

The utility model provides a coal transportation device. The coal transportation device comprises a bottom plate; the supporting plate is vertically arranged on the bottom plate, and a first shielding cover is arranged at the end, away from the bottom plate, of the supporting plate; the transportation assembly is pivotally connected with the first shielding cover, the discharging end of the transportation assembly is located in the first shielding cover, at least part of the first shielding cover is located in the discharging direction of the transportation assembly, and the transportation assembly is driven by a driving structure to rotate relative to the first shielding cover; the first shielding cover is provided with a discharging port, the material guiding assembly is located on the side, facing the bottom plate, of the discharging port, and the material guiding assembly is used for receiving coal output from the discharging port. The coal conveying device solves the problems of accumulation, scattering and leakage in the conveying process of a coal conveying device in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of coal transportation equipment, and more specifically, to a coal transportation device. Background Art

[0002] In the process of coal mining and transportation, coal transportation devices are most commonly used to transport coal. The coal transportation device is responsible for safely and efficiently transporting coal from the mining face to the ground or other processing areas. However, the existing coal transportation devices have some limitations, which affect the efficiency and quality of coal transportation. For example, the prior art discloses a transportation device for coal mine electromechanics. In the actual use process of this device, since the flatness of the incoming surface of the transportation cannot be adjusted, coal is likely to accumulate and block during transportation, thus affecting the smoothness and transportation efficiency of coal transportation. Moreover, during the process of switching the transportation workstations of coal, problems such as leakage or splashing are likely to occur, affecting the transportation stability.

[0003] That is to say, the coal transportation devices in the prior art have problems of accumulation and leakage during transportation. Summary of the Utility Model

[0004] The main purpose of the present utility model is to provide a coal transportation device to solve the problems of accumulation and leakage existing in the coal transportation devices in the prior art during transportation.

[0005] To achieve the above purpose, the present utility model provides a coal transportation device, including: a bottom plate; a support plate, which is vertically arranged on the bottom plate, and a first shielding cover is arranged at one end of the support plate away from the bottom plate; a transportation component, which is pivotally connected to the first shielding cover, and the discharge end of the transportation component is located in the first shielding cover, at least part of the first shielding cover is located in the discharge direction of the transportation component, and the transportation component is driven to rotate relative to the first shielding cover by a driving structure; a material guiding component, the first shielding cover has a discharge port, the material guiding component is located on the side of the discharge port facing the bottom plate, and the material guiding component is used for receiving the coal material output from the discharge port.

[0006] Further, the coal transportation device further includes a second shielding cover, at least part of the second shielding cover is located inside the first shielding cover, and the second shielding cover is pivotally connected to the first shielding cover. The second shielding cover has a feeding gap and a discharging gap. The discharge end of the transportation component is connected to the feeding gap, and the rotation of the transportation component driven by the driving structure drives the second shielding cover to rotate relative to the first shielding cover, so that the discharging gap corresponds to or is misaligned with the discharge port.

[0007] Further, the cross-sections of the second shielding cover and the first shielding cover along the direction perpendicular to the transportation direction of the transportation component are annular, the radius of the second shielding cover is smaller than the radius of the first shielding cover, and / or the second shielding cover and the first shielding cover are concentrically arranged.

[0008] Further, the transportation component includes a housing, a conveyor belt, and a driving part. The conveyor belt is arranged in the housing, the driving part is arranged on the housing, and the output end of the driving part is drivingly connected to the conveyor belt.

[0009] Further, the transportation component further includes two driving rollers and a plurality of supporting rollers. The two driving rollers are respectively arranged at both ends of the conveyor belt, the plurality of supporting rollers are arranged at intervals between the two driving rollers, and the driving part is drivingly connected to the driving rollers.

[0010] Further, the transportation component further includes a first blocking brush and a second blocking brush. The first blocking brush is arranged on both sides of the conveyor belt and is parallel to the transportation direction of the conveyor belt. The second blocking brush is located between the output end of the conveyor belt and the inner wall surface of the first shielding cover and is on the recycling path of the conveyor belt.

[0011] Further, the material guiding component includes a material guiding plate and a guiding plate. The material guiding plate is located between the discharge port of the first shielding cover and the bottom plate, and the material guiding plate is arranged at an angle with the bottom plate. There are two guiding plates, and the two guiding plates are respectively arranged on both sides of the material guiding plate and are parallel to the transportation direction of the material guiding plate.

[0012] Further, the material guiding component further includes a vibration motor and a plurality of inclined plates. The vibration motor is arranged on the material guiding plate and is located on the side of the material guiding plate facing the bottom plate. Both ends of the material guiding plate are respectively connected to the support plate and the bottom plate. A part of the plurality of inclined plates is supported between the material guiding plate and the bottom plate, and the other part of the inclined plates is supported between the material guiding plate and the support plate.

[0013] Further, a discharge cylinder is arranged on the side of the first shielding cover facing the bottom plate, and the discharge cylinder extends in a direction perpendicular to the bottom plate.

[0014] Further, the driving structure is a hydraulic rod, and the hydraulic rod is supported between the support plate and the transportation component.

[0015] Applying the technical solution of the present utility model, the coal transportation device includes a bottom plate, a support plate, a transportation component, and a material guiding component. The support plate is erected on the bottom plate, and a first shielding cover is arranged at one end of the support plate away from the bottom plate; the transportation component is pivotally connected to the first shielding cover, and the discharge end of the transportation component is located in the first shielding cover. At least part of the first shielding cover is in the discharge direction of the transportation component, and the transportation component is driven to rotate relative to the first shielding cover through the driving structure; the first shielding cover has a discharge port, and the material guiding component is located on the side of the discharge port facing the bottom plate, and the material guiding component is used to receive the coal material output from the discharge port.

[0016] It is erected on the bottom plate through a support plate. One end of the support plate away from the bottom plate is provided with a first shielding cover. The transportation component is pivotally connected to the first shielding cover, and the discharge end of the transportation component is located in the first shielding cover. At least part of the first shielding cover is located in the discharge direction of the transportation component. The transportation component is driven by a driving structure to rotate relative to the first shielding cover, so that the support plate can support one end of the transportation component above the bottom plate, thereby providing a pivoting movement space for the transportation component. When the transportation component is transporting coal, the angle between the transportation component and the bottom plate can be adjusted through pivoting movement, so as to adjust the flatness of the incoming surface of the transportation, make the coal evenly distributed on the transportation component, and avoid the problems of accumulation and blockage of the coal during the transportation process of the transportation component, which is beneficial to ensuring the smoothness of transportation and thus improving the overall transmission efficiency of the coal transportation device. When the transported coal is transported out from the discharge end of the transportation component, it will fly out along the transportation direction of the transportation component due to inertia. By setting the discharge end of the transportation component in the first shielding cover and at least part of the first shielding cover in the discharge direction of the transportation component, the first shielding cover can prevent the coal from splashing when switching from the transportation component to the material guiding component, and avoid the situation that the coal cannot all enter the material guiding component during this process, resulting in waste of resources. Such a setting can reduce energy loss. By setting the material guiding component, the coal material output from the discharge port can be received, ensuring the continuous and stable operation of the entire coal transportation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specification drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0018] Figure 1 shows a schematic structural diagram of a coal transportation device according to an optional embodiment of the present invention;

[0019] Figure 2 shows Figure 1 a partial cross-sectional view of the coal transportation device in

[0020] Figure 3 shows Figure 1 a schematic diagram of another angle of the coal transportation device in

[0021] Figure 4 shows Figure 1 a schematic diagram of the transportation component of the coal transportation device in

[0022] Among them, the above-mentioned drawings include the following reference numerals:

[0023] 1. Second shielding cover; 101. Discharge notch; 2. First shielding cover; 301. Housing; 302. Driving roller; 303. Conveyor belt; 304. Driving part; 4. Discharge cylinder; 5. Support plate; 6. Guide plate; 7. Hydraulic rod; 8. Guide plate; 9. Bottom plate; 10. Inclined plate; 11. Vibration motor; 12. First blocking brush; 13. Support roller; 14. Second blocking brush. Detailed implementation manners

[0024] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in the present application have the same meanings as those commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0026] In the present utility model, unless otherwise stated, the orientation words such as "upper, lower, top, bottom" are generally in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions of the components themselves; similarly, for the convenience of understanding and description, "inner, outer" refer to the inner and outer of the contours of the respective components, but the above orientation words are not used to limit the present utility model.

[0027] In order to solve the problems of accumulation and leakage existing in the coal transportation device in the prior art during the transportation process, the present utility model provides a coal transportation device.

[0028] As Figures 1 to 4 shown, the coal transportation device includes a bottom plate 9, a support plate 5, a transportation component and a guiding component. The support plate 5 is erected on the bottom plate 9, and a first shielding cover 2 is arranged at one end of the support plate 5 away from the bottom plate 9; the transportation component is pivotally connected to the first shielding cover 2, and the discharge end of the transportation component is located in the first shielding cover 2, and at least part of the first shielding cover 2 is in the discharge direction of the transportation component, and the transportation component is driven to rotate relative to the first shielding cover 2 through a driving structure; the first shielding cover 2 has a discharge port, and the guiding component is located on the side of the discharge port facing the bottom plate 9, and the guiding component is used for receiving the coal material output from the discharge port.

[0029] It is erected on the bottom plate 9 through the support plate 5. One end of the support plate 5 away from the bottom plate 9 is provided with a first shielding cover 2. The conveying assembly is pivotally connected to the first shielding cover 2, and the discharging end of the conveying assembly is located in the first shielding cover 2. At least part of the first shielding cover 2 is located in the discharging direction of the conveying assembly. The conveying assembly is driven by a driving structure to rotate relative to the first shielding cover 2, so that the support plate 5 can support one end of the conveying assembly above the bottom plate 9, thereby providing a pivoting movement space for the conveying assembly. During the process of conveying coal, the conveying assembly can adjust the included angle relative to the bottom plate 9 through pivoting movement, so as to realize the flatness adjustment of the incoming surface of the conveying, make the coal evenly distributed on the conveying assembly, and avoid the problems of accumulation and blockage of the coal during the conveying process of the conveying assembly, which is beneficial to ensuring the smoothness of the conveying, thereby improving the overall transmission efficiency of the coal conveying device. When the conveyed coal is transported out from the discharging end of the conveying assembly, due to inertia, it will fly out along the conveying direction of the conveying assembly. By setting the discharging end of the conveying assembly in the first shielding cover 2 and at least part of the first shielding cover 2 in the discharging direction of the conveying assembly, the first shielding cover 2 can prevent the coal from splashing when switching from the conveying assembly to the guiding assembly, and avoid the situation that the coal cannot all enter the guiding assembly during this process, resulting in waste of resources. Such a setting can reduce the energy loss. By setting the guiding assembly, it can receive the coal material output from the discharging port and ensure the continuous and stable operation of the entire coal conveying device.

[0030] It should be noted that the support plate 5 is welded to the bottom plate 9, and the first shielding cover 2 is connected to the support plate 5 by welding. Such a setting is beneficial to ensuring the connection stability between the support plate 5 and the bottom plate 9, and can also ensure the connection stability between the first shielding cover 2 and the support plate 5, so that during the pivoting movement of the conveying assembly, the first shielding cover 2 always remains stationary, which is beneficial to ensuring the use stability of the conveying assembly.

[0031] As Figure 1 shown, the coal conveying device further includes a second shielding cover 1. At least part of the second shielding cover 1 is located inside the first shielding cover 2, and the second shielding cover 1 is pivotally connected to the first shielding cover 2. Specifically, the second shielding cover 1 is arranged between the two inner walls on both sides of the first shielding cover 2, and the second shielding cover 1 is rotatably arranged relative to the first shielding cover 2. One part of the second shielding cover 1 is located inside the first shielding cover 2, and the other part is exposed from the notch parts of the two inner walls on both sides of the first shielding cover 2.

[0032] Specifically, the second shielding cover 1 has a feeding notch and a discharging notch 101, and the discharging end of the conveying assembly is connected to the feeding notch. It should be noted that the discharging end of the conveying assembly is inserted into the feeding notch and clamped with the feeding notch. Such a setting can fix the conveying assembly to the second shielding cover 1, so that during the pivoting movement of the conveying assembly, the conveying assembly can drive the second shielding cover 1 to rotate relative to the first shielding cover 2, enabling the coal transported to the discharging end of the conveying assembly to enter the second shielding cover 1 through the feeding notch. At the same time, it can also adjust the flatness and speed of the coal entering the second shielding cover 1 from the conveying assembly to avoid the accumulation and blockage of coal.

[0033] As Figure 2 shown, the rotation of the conveying assembly driven by the driving structure drives the second shielding cover 1 to rotate relative to the first shielding cover 2, so that the discharging notch 101 corresponds to or is misaligned with the discharging port. Specifically, when the discharging notch 101 on the second shielding cover 1 rotates to the position of the discharging port on the first shielding cover 2, the discharging port corresponds to the discharging notch 101, and the coal can smoothly pass through the discharging notch 101 and the discharging port and be led to the guiding assembly. At this time, the efficiency of coal discharging is the highest; when it is necessary to control the coal transportation efficiency, the rotation position of the second shielding cover 1 can be adjusted to make the discharging notch 101 partially misaligned with the discharging port, and the degree of misalignment can be set according to the actual situation to reduce the speed of the coal passing through the discharging notch 101 and the discharging port. When the discharging notch 101 is completely misaligned with the discharging port, the transportation of coal between the discharging notch 101 and the discharging port can be blocked.

[0034] As Figure 3 shown, the driving structure is a hydraulic rod 7, and the hydraulic rod 7 is supported between the support plate 5 and the conveying assembly. The two ends of the hydraulic rod 7 are respectively connected to the support plate 5 and the conveying assembly. It should be noted that there are two hydraulic rods 7, and the two hydraulic rods 7 are spaced apart and supported between the support plate 5 and the housing 301 of the conveying assembly. Such a setting can drive the conveying assembly to perform a pivoting movement through the telescopic movement of the hydraulic rod 7, so that the coal can be evenly distributed on the conveying assembly, avoiding the risk of the coal being blocked on the conveying assembly, resulting in the interruption of transmission and damage to the coal transmission device, and improving the safety, efficiency and stability of coal transportation.

[0035] Specifically, the cross-section of the second shielding cover 1 and the first shielding cover 2 along the direction perpendicular to the transportation direction of the transportation component is annular. The radius of the second shielding cover 1 is smaller than that of the first shielding cover 2, and the second shielding cover 1 and the first shielding cover 2 are concentrically arranged. That is to say, both the first shielding cover 2 and the second shielding cover 1 are hollow structures. The outer wall of the second shielding cover 1 is spaced from the inner wall of the first shielding cover 2, and the distance from the outer wall of the second shielding cover 1 to the inner wall of the first shielding cover 2 is equal everywhere. Such a setting can avoid interference between the two during the rotation of the second shielding cover 1 relative to the first shielding cover 2, which is beneficial to ensuring the reliability of the use of the second shielding cover 1 and the stable operation of the transportation device.

[0036] As Figure 4 shown, the transportation component includes a housing 301, a conveyor belt 303, and a driving part 304. The conveyor belt 303 is arranged in the housing 301, and the driving part 304 is arranged on the housing 301. The output end of the driving part 304 is drivingly connected to the conveyor belt 303. Refer to Figure 3 shown, the cross-sectional shape of the housing 301 along the direction perpendicular to the transportation direction of the conveyor belt 303 is U-shaped. One end of the housing 301 is inserted into the feeding gap of the second shielding cover 1 and is clamped with the feeding gap. The setting of the housing 301 can provide a connection position for the hydraulic rod 7, and can also realize the connection with the second shielding cover 1 without affecting the normal transportation of the conveyor belt 303, and provides a space for the conveyor belt 303 to transport coal, which is beneficial to ensuring the reliability of coal transportation. The conveyor belt 303 can carry coal and transport the coal to the discharge end and into the second shielding cover 1, thereby completing the transportation of coal. The driving part 304 can drive the conveyor belt 303 to run, so as to realize the transportation of coal.

[0037] As Figure 4As shown in the figure, the transportation component further includes two driving rollers 302 and multiple supporting rollers 13. The two driving rollers 302 are respectively arranged at both ends of the conveyor belt 303, and the multiple supporting rollers 13 are arranged at intervals between the two driving rollers 302. The interval distance between two adjacent supporting rollers 13 among the multiple supporting rollers 13 is equal. The driving part 304 is drivingly connected to the driving roller 302. It should be noted that the diameter of the driving roller 302 is larger than that of the supporting roller 13. The conveyor belt 303 is connected end to end to form an annular and continuous conveyor belt 303. The two driving rollers 302 are arranged in the annular and continuous conveyor belt 303, and the two driving rollers 302 straighten the conveyor belt 303. Such a setting enables the driving part 304 to drive the driving roller 302 to rotate. Since the driving roller 302 is in contact with the conveyor belt 303 and there is friction between the two, the conveyor belt 303 is driven to transport coal. By arranging multiple supporting rollers 13, the conveyor belt 303 can be evenly supported, ensuring the flatness of the surface of the conveyor belt 303 and guaranteeing the smooth and efficient transportation of coal. The driving part 304 is fixedly connected to the housing 301 by bolts. The output end of the driving part 304 is drivingly connected to the driving roller 302 on the side away from the second shielding cover 1 to drive the driving roller 302 to rotate, thereby driving the conveyor belt 303 to move, realizing the transportation of coal, and inputting the coal into the second shielding cover 1.

[0038] In a specific embodiment of the present application, the driving part 304 is a motor.

[0039] As Figure 4 shown in the figure, the transportation component further includes a first blocking brush 12 and a second blocking brush 14. The first blocking brush 12 is arranged on both sides of the conveyor belt 303. The first blocking brush 12 is parallel to the transportation direction of the conveyor belt 303. The second blocking brush 14 is located between the output end of the conveyor belt 303 and the inner wall surface of the first shielding cover 2 and is on the recovery path of the conveyor belt 303. The first blocking brush 12 consists of a fixed end and a brush hair end. The fixed end of the first blocking brush 12 is connected to the inner wall of the housing 301 by welding. The brush hair end of the first blocking brush 12 is in contact with the conveyor belt 303 but not fixed. Such a setting enables the first blocking brush 12 to avoid coal from falling between the conveyor belt 303 and the housing 301 without affecting the conveying function of the conveyor belt 303. The second blocking brush 14 also consists of a fixed end and a brush hair end. The fixed end of the second blocking brush 14 is connected to the inner wall of the second shielding cover 1 by welding. The brush hair end of the second blocking brush 14 is in contact with the conveyor belt 303 but not fixed. The second blocking brush 14 is actually located between the side of the conveyor belt 303 facing the bottom plate 9 and the inner wall of the second shielding cover 1. Such a setting can avoid the coal falling from the output end of the conveyor belt 303 from being brought between the conveyor belt 303 and the bottom of the housing 301.

[0040] As Figure 1As shown in the figure, the material guiding assembly includes a material guiding plate 6 and a guiding plate 8. The material guiding plate 6 is located between the discharge port of the first shielding cover 2 and the bottom plate 9, and the material guiding plate 6 is arranged at an angle with the bottom plate 9. There are two guiding plates 8, and the two guiding plates 8 are respectively vertically arranged on both sides of the material guiding plate 6 and are welded to the material guiding plate 6, and the guiding plates 8 are parallel to the transportation direction of the material guiding plate 6. Both ends of the material guiding plate 6 are welded to the support plate 5 and the bottom plate 9 respectively. By arranging the material guiding plate 6 to be connected to the discharge port and be inclined, the coal transported out of the discharge port can be transported to the ground or the processing area more quickly by its own gravity. At the same time, guiding plates 8 are welded on both sides of the material guiding plate 6, avoiding the risk of coal falling from both sides of the material guiding plate 6.

[0041] As Figure 3 shown in the figure, the material guiding assembly further includes a vibration motor 11 and a plurality of inclined plates 10. The vibration motor 11 is arranged on the material guiding plate 6 and on the side surface of the material guiding plate 6 facing the bottom plate 9. The material guiding plate 6, the bottom plate 9 and the support plate 5 can enclose a right triangle space. A plurality of inclined plates 10 and the vibration motor 11 are located in this right triangle space. A part of the inclined plates 10 among the plurality of inclined plates 10 are supported between the material guiding plate 6 and the bottom plate 9, and the other part of the inclined plates 10 are supported between the material guiding plate 6 and the support plate 5, and the included angle between the inclined plates 10 and the material guiding plate 6 is a right angle. In a specific embodiment of the present application, the inclined plates 10 are welded to the material guiding plate 6, and the distance between two adjacent inclined plates 10 among the plurality of inclined plates 10 is equal. By arranging the inclined plates 10, stable support can be provided for the material guiding plate 6 and the structure of the entire coal transportation device can be made more stable.

[0042] Specifically, the vibration motor 11 is arranged between two adjacent inclined plates 10 and is fixed to the material guiding plate 6 by bolts. By arranging the vibration motor 11, the vibration motor 11 can drive the material guiding plate 6 to vibrate, thereby accelerating the rolling efficiency of the coal and improving the transportation efficiency of the coal.

[0043] As Figure 2 shown in the figure, a discharge cylinder 4 is arranged on the side of the first shielding cover 2 facing the bottom plate 9. The discharge cylinder 4 has a discharge port. The discharge cylinder 4 extends in a direction perpendicular to the bottom plate 9. The projection of the discharge cylinder 4 on the material guiding plate 6 is located on the material guiding plate 6. Such an arrangement can ensure that the material guiding plate 6 can stably receive the coal output by the discharge cylinder 4. The arrangement of the discharge cylinder 4 can play a guiding role for the coal and is beneficial to preventing the coal from scattering.

[0044] When the coal transportation device of the present application is in use, first, the transportation component is driven to rotate by the telescopic movement of the hydraulic rod 7, so as to adjust the flatness of the incoming surface of the coal transmission. Then, the driving part 304 drives the driving roller 302 to rotate, thereby driving the conveyor belt 303 to move, realizing the transportation of coal, inputting the coal into the second shielding cover 1, and then dropping it onto the guide plate 6 through the discharge cylinder 4. Then, the coal rolls down along the guide plate 6, and the vibrating motor 11 vibrates the guide plate 6, thereby accelerating the efficiency of the coal rolling. Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0045] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0046] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0047] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coal transportation device, characterized in that: include: Bottom plate (9); A support plate (5), the support plate (5) being placed upright on the bottom plate (9), and a first shielding cover (2) being provided at one end of the support plate (5) away from the bottom plate (9); A transport component, the transport component is pivotally connected to the first shielding cover (2), the discharge end of the transport component is located in the first shielding cover (2), at least part of the first shielding cover (2) is located in the discharge direction of the transport component, and the transport component is driven to rotate relative to the first shielding cover (2) by a driving structure; A material guiding assembly, wherein the first shielding cover (2) has a material outlet, the material guiding assembly is located on a side of the material outlet facing the bottom plate (9), and the material guiding assembly is used to receive the coal material outputted from the material outlet.

2. The coal transportation device according to claim 1, characterized in that: The coal transportation device further comprises a second shielding cover (1), at least a part of which is located inside the first shielding cover (2), and the second shielding cover (1) is pivotally connected to the first shielding cover (2), the second shielding cover (1) has a feed notch and a discharge notch (101), the discharge end of the transportation component is connected to the feed notch, and the transportation component is driven to rotate by the driving structure to drive the second shielding cover (1) to rotate relative to the first shielding cover (2), so that the discharge notch (101) corresponds to or is misaligned with the discharge port.

3. The coal transportation device according to claim 2, characterized in that: The second shielding cover (1) and the first shielding cover (2) are annular in cross section along a direction perpendicular to the transport direction of the transport component. The radius of the second shielding cover (1) is smaller than the radius of the first shielding cover (2), and / or The second shielding cover (1) is arranged concentrically with the first shielding cover (2).

4. The coal transportation device according to claim 1, characterized in that: The transport component comprises a shell (301), a conveyor belt (303) and a driving unit (304); the conveyor belt (303) is arranged in the shell (301); the driving unit (304) is arranged on the shell (301); and the output end of the driving unit (304) is drivingly connected to the conveyor belt (303).

5. The coal transportation device according to claim 4, characterized in that: The transport assembly further comprises two transmission rollers (302) and a plurality of support rollers (13); the two transmission rollers (302) are respectively arranged at the two ends of the conveyor belt (303); the plurality of support rollers (13) are arranged at intervals between the two transmission rollers (302); and the driving unit (304) is drivingly connected to the transmission rollers (302).

6. The coal transportation device according to claim 4, characterized in that: The transport component further comprises a first retaining brush (12) and a second retaining brush (14); the first retaining brush (12) is arranged on both sides of the conveyor belt (303); the first retaining brush (12) is parallel to the transport direction of the conveyor belt (303); the second retaining brush (14) is located between the output end of the conveyor belt (303) and the inner wall surface of the first shielding cover (2) and is located on the recovery path of the conveyor belt (303).

7. The coal transportation device according to claim 1, characterized in that: The material guide assembly comprises a material guide plate (6) and a guide plate (8); the material guide plate (6) is located between the material outlet of the first shielding cover (2) and the bottom plate (9), and the material guide plate (6) and the bottom plate (9) are arranged at an angle; there are two guide plates (8), and the two guide plates (8) are respectively arranged on both sides of the material guide plate (6), and the guide plate (8) is parallel to the transport direction of the material guide plate (6).

8. The coal transportation device according to claim 7, characterized in that: The material guide assembly further comprises a vibration motor (11) and a plurality of inclined plates (10); the vibration motor (11) is arranged on the material guide plate (6) and is located on the side of the material guide plate (6) facing the bottom plate (9); the two ends of the material guide plate (6) are respectively connected to the support plate (5) and the bottom plate (9); a portion of the plurality of inclined plates (10) are supported between the material guide plate (6) and the bottom plate (9); and another portion of the inclined plates (10) are supported between the material guide plate (6) and the support plate (5).

9. The coal transport device according to any one of claims 1 to 8, characterized in that: A discharge barrel (4) is provided on one side of the first shielding cover (2) facing the bottom plate (9), and the discharge barrel (4) extends in a direction perpendicular to the bottom plate (9).

10. The coal transport device according to any one of claims 1 to 8, characterized in that: The driving structure is a hydraulic rod (7), and the hydraulic rod (7) is supported between the support plate (5) and the transport assembly.

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