Coal flow shaping device and coal detection system

Abstract

The utility model relates to the technical field of coal flow shaping, in particular to a coal flow shaping device and a coal detection system. The coal flow shaping device comprises a conveying mechanism and a shaping mechanism, wherein the conveying mechanism is used for conveying coal flow; the shaping mechanism is located above the conveying mechanism and comprises a shaping belt and a belt driving mechanism used for driving the shaping belt to rotate, the shaping belt is provided with a shaping part facing the conveying mechanism, and the moving direction of the shaping part is the same as the conveying direction of the conveying mechanism; the shaping part can roll the top face of the coal flow so that the interior of the coal flow can be compact and the top face of the coal flow can be flat. Wherein in the process of conveying the coal flow by the conveying mechanism, the shaping part can perform rolling shaping on the coal flow from the top surface of the coal flow, so that the interior of the coal flow is compact, and the top surface of the coal flow is flat, thereby improving the accuracy of a coal flow quality detection result.

Description

Technical Field

[0001] The utility model relates to the technical field of coal flow shaping, in particular to a coal flow shaping device and a coal detection system. Background Art

[0002] When testing the quality of coal flow, in order to ensure the accuracy of the test results, the inside of the coal flow needs to be dense, and the top surface of the coal flow also needs to maintain a good flatness. However, there is currently a lack of effective means to shape the coal flow, resulting in low accuracy in coal flow quality testing. Utility Model Content

[0003] The utility model aims to overcome the problem in the prior art that the accuracy of coal flow quality detection is reduced due to the lack of coal flow shaping means.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a coal flow shaping device on the one hand, which includes: a conveying mechanism, which is used to convey the coal flow; and a shaping mechanism, which is located above the conveying mechanism, and the shaping mechanism includes a shaping belt and a belt driving mechanism for driving the shaping belt to rotate, the shaping belt has a shaping part facing the conveying mechanism, and the moving direction of the shaping part is the same as the conveying direction of the conveying mechanism, and the shaping part can roll the top surface of the coal flow to make the interior of the coal flow dense and the top surface of the coal flow flat.

[0005] In some embodiments, the belt drive mechanism includes an upper pressure roller group and a first shaping driver capable of driving the upper pressure roller group to rotate. The upper pressure roller group is surrounded by a shaping belt and can drive the shaping belt to rotate. The shaping portion is located between the upper pressure roller group and the conveying mechanism.

[0006] In some embodiments, the upper pressing roller group includes a plurality of upper pressing rollers spaced apart along the conveying direction of the conveying mechanism, the axes of all the upper pressing rollers are parallel and located in the same horizontal plane, and the axes of the upper pressing rollers are perpendicular to the conveying direction of the conveying mechanism.

[0007] In some embodiments, the belt drive mechanism includes a driving roller surrounded by a shaping belt, the driving roller is located above the upper pressure roller group, and the driving roller is located horizontally between the feed end of the conveying mechanism and the upper pressure roller group, the first shaping drive can drive the driving roller to rotate, and the driving roller can drive the shaping belt and the upper pressure roller group to rotate.

[0008] In some embodiments, two upper pressure plates are provided on the upper ring of the upper pressure roller and are spaced apart along the axial direction of the upper pressure roller, and the shaping belt is located between the two upper pressure plates; from the side of the upper pressure plate facing away from the shaping belt to the side facing the shaping belt, the diameter of the upper pressure plate facing the shaping belt gradually decreases.

[0009] In some embodiments, the conveying mechanism includes a conveying drive, a conveying belt, a lower pressure roller group and two conveying rollers spaced apart along the conveying direction of the conveying mechanism, the conveying belt is located below the shaping mechanism, the conveying drive is configured to drive the conveying rollers to rotate, the conveying rollers are surrounded by the conveying belt and can drive the conveying belt to rotate, the lower pressure roller group is surrounded by the conveying belt and is located between the two conveying rollers, and the lower pressure roller group is vertically opposite to the upper pressure roller group.

[0010] In some embodiments, the lower pressure roller group includes a plurality of lower pressure rollers spaced apart along the conveying direction of the conveying mechanism, the axes of all the lower pressure rollers are parallel and located in the same horizontal plane, the axes of the lower pressure rollers are parallel to the axes of the upper pressure rollers, and the diameter of the lower pressure rollers is not greater than the diameter of the conveying roller; the number of lower pressure rollers is the same as the number of upper pressure rollers, and all upper pressure rollers and all lower pressure rollers correspond one-to-one and are vertically opposite.

[0011] In some embodiments, two lower pressure plates are provided on the upper ring of the lower pressure roller and are spaced apart along the axial direction of the lower pressure roller, and the conveyor belt is located between the two lower pressure plates; the spacing between the two lower pressure plates is consistent; for the upper pressure roller and the lower pressure roller vertically opposite to each other, the circumferences of the two upper pressure plates are respectively in contact with the circumferences of the two lower pressure plates.

[0012] In some embodiments, the coal flow shaping device further comprises an upper scraping mechanism capable of scraping the shaping belt.

[0013] The utility model also provides a coal detection system, which comprises the above-mentioned coal flow shaping device.

[0014] The technical solution of the utility model has the following beneficial effects:

[0015] The belt driving mechanism can drive the shaping belt to rotate, and the moving direction of the shaping part of the shaping belt is the same as the conveying direction of the conveying mechanism. During the process of the conveying mechanism conveying the coal flow, the shaping part can roll and shape the coal flow from the top surface of the coal flow, making the inside of the coal flow dense and the top surface of the coal flow flat, thereby improving the accuracy of the coal flow quality detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a coal flow shaping device in one embodiment of the utility model;

[0017] Figure 2 is a schematic diagram of a coal flow shaping device in another embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the cooperation between the upper pressure plate and the lower pressure plate in one embodiment of the utility model.

[0019] Description of Reference Numerals

[0020] 1. Conveying mechanism; 11. Conveying roller; 12. Conveying belt; 13. Lower pressure roller group; 131. Lower pressure roller; 132. Lower pressure plate; 2. Shaping mechanism; 21. Shaping belt; 211. Shaping part; 212. Stopper; 22. Belt driving mechanism; 221. Upper pressure roller group; 222. Driving roller; 223. Upper pressure roller; 224. Upper pressure plate; 3. Upper scraping mechanism; 4. Lower scraping mechanism. DETAILED DESCRIPTION

[0021] The features and exemplary embodiments of various aspects of the utility model will be described in detail below. In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to explain the utility model, rather than to limit the utility model. For those skilled in the art, the utility model can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the utility model by showing examples of the utility model.

[0022] For ease of understanding, the present invention first explains "coal flow". During the coal transportation process, coal is piled together and generally distributed in an irregular linear shape. The linear coal pile moving with the conveying mechanism 1 is the coal flow.

[0023] like Figure 1 and Figure 2 As shown, the utility model provides a coal flow shaping device, which includes a conveying mechanism 1 and a shaping mechanism 2. The conveying mechanism 1 is used to convey the coal flow. The shaping mechanism 2 is located above the conveying mechanism 1, and the shaping mechanism 2 includes a shaping belt 21 and a belt driving mechanism 22 for driving the shaping belt to rotate. The shaping belt 21 has a shaping part 211 facing the conveying mechanism 1, and the moving direction of the shaping part 211 is the same as the conveying direction of the conveying mechanism 1. The shaping part 211 can roll the top surface of the coal flow to make the inside of the coal flow dense and the top surface of the coal flow flat.

[0024] Specifically, during the rotation of the shaping belt 21, a portion of the shaping belt 21 always faces the conveying mechanism 1, and the portion of the shaping belt 21 facing the conveying mechanism 1 is the shaping portion 211. The moving direction of the shaping portion 211 is the same as the conveying direction of the conveying mechanism 1, so as to avoid cracks on the top surface of the coal flow due to the opposite direction. The moving speed of the shaping portion 211 and the conveying speed of the conveying mechanism 1 can be the same; of course, the two can also be different.

[0025] In this embodiment, the belt driving mechanism 22 can drive the shaping belt 21 to rotate, and the moving direction of the shaping part 211 of the shaping belt 21 is the same as the conveying direction of the conveying mechanism 1. In the process of the conveying mechanism 1 conveying the coal flow, the shaping part 211 can roll and shape the coal flow from the top surface of the coal flow, making the inside of the coal flow dense and the top surface of the coal flow flat, thereby improving the accuracy of the coal flow quality detection result.

[0026] like Figure 1 and Figure 2 As shown, in some embodiments of the utility model, the belt drive mechanism 22 includes an upper pressure roller group 221 and a first shaping drive capable of driving the upper pressure roller group 221 to rotate, the upper pressure roller group 221 is surrounded by the shaping belt 21 and can drive the shaping belt 21 to rotate, and the shaping part 211 is located between the upper pressure roller group 221 and the conveying mechanism 1.

[0027] Specifically, the upper pressure roller group 221 can tighten the shaping belt 21, the first shaping driver drives the upper pressure roller group 221 to rotate, and the upper pressure roller group 221 drives the shaping belt 21 to rotate. The part of the shaping belt 21 that rotates to the bottom of the upper pressure roller group 221 is the shaping part 211, and the side of the shaping part 211 facing the conveying mechanism 1 is the shaping part 211. The shaping part 211 can roll the top surface of the coal flow to make the top surface of the coal flow flat. In addition, the upper pressure roller group 221 can provide a large pressure, thereby improving the rolling and shaping ability of the shaping belt 21, so that the inside of the coal flow is more compact and the top surface of the coal flow is more flat.

[0028] Of course, the belt drive mechanism 22 may also be any other structural form that can meet the use requirements, and the present utility model does not limit this.

[0029] like Figure 1 and Figure 2 As shown, in some embodiments of the present invention, the upper pressure roller group 221 includes a plurality of upper pressure rollers 223 spaced apart along the conveying direction of the conveying mechanism 1, the axes of all the upper pressure rollers 223 are parallel and located in the same horizontal plane, and the axes of the upper pressure rollers 223 are perpendicular to the conveying direction of the conveying mechanism 1.

[0030] Specifically, there are multiple upper pressure rollers 223, and they are arranged on the same horizontal plane, so the shaping part 211 can roll over a larger range, which helps to fully shape the coal flow. Moreover, the axis of the upper pressure roller 223 is perpendicular to the conveying direction of the conveying mechanism 1, so the moving direction of the shaping part 211 is completely consistent with the moving direction of the coal flow, which helps to avoid cracks on the top surface of the coal flow. Preferably, the moving speed of the shaping part 211 is the same as the conveying speed of the conveying mechanism 1.

[0031] In some embodiments, the upper pressing rollers 223 are connected by chains, and one of the upper pressing rollers 223 is connected to the first shaping driver, which can drive all the upper pressing rollers 223 to rotate. In other embodiments, the first shaping driver is connected to one of the upper pressing rollers 223, which is an active roller, and the other upper pressing rollers 223 are rotated by the friction between them and the shaping belt 21.

[0032] like Figure 1 and Figure 2 As shown, in some embodiments of the utility model, the belt drive mechanism 22 includes a driving roller 222 surrounded by the shaping belt 21, the driving roller 222 is located above the upper pressure roller group 221, and the driving roller 222 is located between the feed end of the conveying mechanism 1 and the upper pressure roller group 221 in the horizontal direction, the first shaping drive can drive the driving roller 222 to rotate, and the driving roller 222 can drive the shaping belt 21 and the upper pressure roller group 221 to rotate.

[0033] Specifically, during the rotation of the shaping belt 21, a portion of the shaping belt 21 always faces the feed end of the conveying mechanism 1, and the portion of the shaping belt 21 facing the feed end of the conveying mechanism 1 is the stopper 212. The upper pressure roller 223 closest to the feed end of the conveying mechanism 1 is the stopper roller, and the portion of the shaping belt 21 between the stopper roller and the driving roller 222 is the stopper 212, which extends obliquely from top to bottom in a direction gradually away from the feed end of the conveying mechanism 1. The top surface of the coal flow may be higher than the top of the lower pressure roller group 13, and the stopper 212 can form a stop for the portion of the coal flow higher than the upper pressure roller group 221 to prevent part of the coal from moving to the top surface of the upper pressure roller group 221.

[0034] like Figure 3 As shown, in some embodiments of the present invention, two upper pressing plates 224 are provided on the upper pressing roller 223 and are spaced apart along the axial direction of the upper pressing roller 223, and the shaping belt 21 is located between the two upper pressing plates 224. From the side of the upper pressing plate 224 facing away from the shaping belt 21 to the side facing the shaping belt 21, the diameter of the side of the upper pressing plate 224 facing the shaping belt 21 gradually decreases.

[0035] Specifically, during the process of the shaping part 211 rolling the coal flow, the coal blocks on both sides of the coal flow may roll out of the conveying mechanism 1 due to squeezing. However, the two upper pressing plates 224 can constrain the two sides of the coal flow, making the two sides of the coal flow more compact, so that the coal blocks on both sides are not easy to fall. In addition, since the trapezoidal squeezing space is formed between the two upper pressing plates 224, it is more in line with the movement trend of the coal blocks during the squeezing process, which helps to improve the squeezing effect of the upper pressing plates 224.

[0036] like Figure 1 and Figure 2As shown, in some embodiments of the utility model, the conveying mechanism 1 includes a conveying drive, a conveying belt 12, a lower pressure roller group 13 and two conveying rollers 11 spaced apart along the conveying direction of the conveying mechanism 1, the conveying belt 12 is located below the shaping mechanism 2, the conveying drive is configured to be able to drive the conveying roller 11 to rotate, the conveying roller 11 is surrounded by the conveying belt 12 and can drive the conveying belt 12 to rotate, the lower pressure roller group 13 is surrounded by the conveying belt 12 and is located between the two conveying rollers 11, and the lower pressure roller group 13 is vertically opposite to the upper pressure roller group 221.

[0037] Specifically, the axis of the conveying roller 11, the axis of the upper pressure roller 223 and the axis of the driving roller 222 are parallel. The two conveying rollers 11 tighten the conveying belt 12. The lower pressure roller group 13 is directly opposite to the upper pressure roller group 221. When the upper pressure roller group 221 applies pressure to the coal flow, the lower pressure roller group 13 can support the coal flow, so that the coal flow is compacted by the upper pressure roller group 221 and the lower pressure roller group 13. In addition, the lower pressure roller group 13 can also prevent the conveying belt 12 from being deformed by pressure.

[0038] In some embodiments, the two conveying rollers 11 are connected by a chain so that they can rotate synchronously, and one of the conveying rollers 11 is connected to a conveying driver. In other embodiments, one of the conveying rollers 11 is connected to a conveying driver, and the conveying roller 11 is an active roller, and the other conveying roller 11 rotates through the friction between the conveying belt 12.

[0039] like Figure 1 and Figure 2 As shown, in some embodiments of the present invention, the lower pressing roller group 13 includes a plurality of lower pressing rollers 131 spaced apart along the conveying direction of the conveying mechanism 1, the axes of all the lower pressing rollers 131 are parallel and located in the same horizontal plane, the axes of the lower pressing rollers 131 are parallel to the axes of the upper pressing rollers 223, and the diameter of the lower pressing rollers 131 is not greater than the diameter of the conveying roller 11. The number of the lower pressing rollers 131 is the same as the number of the upper pressing rollers 223, and all the upper pressing rollers 223 correspond to all the lower pressing rollers 131 one by one and are vertically opposite.

[0040] Specifically, the axis of the lower pressure roller 131, the axis of the conveying roller 11 and the axis of the upper pressure roller 223 are parallel. All the lower pressure rollers 131 are distributed in the same horizontal plane, and there is a consistent spacing between the upper pressure roller group 221 and the lower pressure roller group 13, so the lower pressure roller group 13 and the upper pressure roller group 221 can apply force to the coal flow evenly. Since all the upper pressure rollers 223 and all the lower pressure rollers 131 correspond one to one and are vertically opposite, the pressure of the upper pressure roller 223 and the supporting force of the lower pressure roller 131 are in the same vertical plane, which can fully squeeze the coal flow and avoid the formation of shear force at the shaping belt 21 and the conveying belt 12. Of course, the diameter of the upper pressure roller 223 and the diameter of the lower pressure roller 131 can be the same.

[0041] In some embodiments, the lower pressure roller 131 can be rotated by the friction between the lower pressure roller 131 and the conveyor belt 12. In other embodiments, the conveyor roller 11 and the lower pressure roller 131 are connected by a chain to achieve synchronous rotation and reduce the friction loss to the conveyor belt 12. In other embodiments, the lower pressure rollers 131 can be connected by a chain, and the conveying mechanism 1 also includes a second shaping driver, which is connected to one of the lower pressure rollers 131 to drive all the lower pressure rollers 131 to rotate.

[0042] It should be noted that the spacing between adjacent upper pressure rollers 223 and the spacing between adjacent lower pressure rollers 131 should be as small as possible to ensure the shaping effect while avoiding mutual friction. The appropriate spacing can be set according to the use requirements, and the utility model does not limit it. In addition, the diameter of the upper pressure roller 223 and the diameter of the lower pressure roller 131 should be as small as possible to make the force range of the coal flow more concentrated and improve the shaping effect. Similarly, the upper pressure roller 223 and the lower pressure roller 131 of appropriate diameter can be selected according to the use requirements, and the utility model does not limit it.

[0043] like Figure 3 As shown, in some embodiments of the present invention, two lower pressing plates 132 are arranged on the lower pressing roller 131 and are spaced apart along the axial direction of the lower pressing roller 131, and the conveyor belt 12 is located between the two lower pressing plates 132. The spacing between the two lower pressing plates 132 is consistent. For the upper pressing roller 223 and the lower pressing roller 131 vertically opposite to each other, the peripheries of the two upper pressing plates 224 are in contact with the peripheries of the two lower pressing plates 132 respectively.

[0044] Specifically, during the process of the shaping part 211 rolling the coal flow, the coal blocks on both sides of the coal flow may roll down, but because the peripheries of the two upper pressing plates 224 are in contact with the peripheries of the two lower pressing plates 132 respectively, the upper pressing plate 224 and the lower pressing plate 132 on the same side can constrain and compact the adjacent coal blocks, so that the side of the coal flow can also be squeezed and compacted. In addition, because there is a consistent spacing between the two lower pressing plates 132, the bottom of the coal flow can be squeezed into a relatively stable shape.

[0045] In some embodiments, the upper platen 224 is a concentric circle. During the rotation of the upper roller 223, this arrangement helps to reduce the sliding friction between the side of the upper platen 224 and the coal flow. In some embodiments, the lower platen 132 is also configured as a concentric circle. During the rotation of the lower roller 131, this arrangement helps to reduce the sliding friction between the side of the lower platen 132 and the coal flow.

[0046] In some implementations, the coal flow shaping device includes an upper frame and a lower frame, the conveying mechanism 1 is installed on the lower frame, the shaping mechanism 2 is installed on the upper frame, and the upper frame is installed on the top of the lower frame. The upper frame and the lower frame can be any frame that can meet the use requirements of the utility model, and the utility model will not be repeated.

[0047] In some embodiments, the upper frame and the lower frame are connected by a plurality of telescopic cylinders, and the frame can be vertically moved relative to the lower frame through the telescopic cylinders, thereby making the distance between the shaping mechanism 2 and the conveying mechanism 1 adjustable.

[0048] like Figure 2 As shown, in some embodiments of the utility model, the coal flow shaping device further includes an upper scraping mechanism 3 capable of scraping the shaping belt 21. The upper scraping mechanism 3 can scrape the surface of the shaping belt 21 to remove the coal adhering to the surface of the shaping belt 21, thereby preventing the adhering coal from affecting subsequent shaping.

[0049] In some embodiments, the upper scraping mechanism 3 includes an upper scraper, one end of which is fixed (for example, it can be connected to the upper frame), and the other end of the upper scraper is close to the shaping belt 21. The upper scraper can be arranged near the lower pressure roller 131 closest to the discharge end of the conveying mechanism 1, or near the lower pressure roller 131 closest to the feed end of the conveying mechanism 1, or near the stopper 212, etc., and the utility model does not limit it. Of course, the upper scraping mechanism 3 can also be any other structural form that can meet the use requirements, and the utility model does not limit it either.

[0050] In some embodiments, the coal flow shaping device further comprises a lower scraping mechanism 4 capable of scraping the conveyor belt 12. The lower scraping mechanism 4 can be any structural form that can meet the use requirements, and the utility model does not limit it.

[0051] The utility model also provides a coal detection system, which comprises the above-mentioned coal flow shaping device.

[0052] Specifically, the coal detection system includes the above-mentioned coal flow shaping device, so the coal detection system can also achieve the above-mentioned technical effects.

[0053] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A coal flow shaping device, characterized in that: include: A conveying mechanism (1), the conveying mechanism (1) being used for conveying a coal flow; as well as A shaping mechanism (2), wherein the shaping mechanism (2) is located above the conveying mechanism (1), the shaping mechanism (2) comprises a shaping belt (21) and a belt driving mechanism (22) for driving the shaping belt to rotate, the shaping belt (21) has a shaping portion (211) facing the conveying mechanism (1), the moving direction of the shaping portion (211) is the same as the conveying direction of the conveying mechanism (1), and the shaping portion (211) can roll the top surface of the coal flow to make the interior of the coal flow dense and the top surface of the coal flow flat.

2. The coal flow shaping device according to claim 1, characterized in that: The belt driving mechanism (22) comprises an upper pressure roller group (221) and a first shaping driver capable of driving the upper pressure roller group (221) to rotate; the upper pressure roller group (221) is surrounded by the shaping belt (21) and is capable of driving the shaping belt (21) to rotate; and the shaping portion (211) is located between the upper pressure roller group (221) and the conveying mechanism (1).

3. The coal flow shaping device according to claim 2, characterized in that: The upper pressing roller group (221) comprises a plurality of upper pressing rollers (223) spaced apart along the conveying direction of the conveying mechanism (1), the axes of all the upper pressing rollers (223) being parallel and located in the same horizontal plane, and the axes of the upper pressing rollers (223) being perpendicular to the conveying direction of the conveying mechanism (1).

4. The coal flow shaping device according to claim 3, characterized in that: The belt drive mechanism (22) comprises a driving roller (222) surrounded by the shaping belt (21); the driving roller (222) is located above the upper pressure roller group (221); and the driving roller (222) is located between the feed end of the conveying mechanism (1) and the upper pressure roller group (221) in the horizontal direction; the first shaping driver can drive the driving roller (222) to rotate, and the driving roller (222) can drive the shaping belt (21) and the upper pressure roller group (221) to rotate.

5. The coal flow shaping device according to claim 3, characterized in that: The upper pressure roller (223) is provided with two upper pressure plates (224) spaced apart along the axial direction of the upper pressure roller (223), and the shaping belt (21) is located between the two upper pressure plates (224); from the side of the upper pressure plate (224) facing away from the shaping belt (21) to the side facing the shaping belt (21), the diameter of the upper pressure plate (224) facing the shaping belt (21) gradually decreases.

6. The coal flow shaping device according to claim 5, characterized in that: The conveying mechanism (1) comprises a conveying drive, a conveying belt (12), a lower pressure roller group (13) and two conveying rollers (11) spaced apart along the conveying direction of the conveying mechanism (1); the conveying belt (12) is located below the shaping mechanism (2); the conveying drive is configured to be able to drive the conveying roller (11) to rotate; the conveying roller (11) is surrounded by the conveying belt (12) and is able to drive the conveying belt (12) to rotate; the lower pressure roller group (13) is surrounded by the conveying belt (12) and is located between the two conveying rollers (11); the lower pressure roller group (13) is vertically opposite to the upper pressure roller group (221).

7. The coal flow shaping device according to claim 6, characterized in that: The lower pressure roller group (13) comprises a plurality of lower pressure rollers (131) spaced apart along the conveying direction of the conveying mechanism (1), the axes of all the lower pressure rollers (131) are parallel and located in the same horizontal plane, the axes of the lower pressure rollers (131) are parallel to the axes of the upper pressure rollers (223), the diameter of the lower pressure rollers (131) is not greater than the diameter of the conveying roller (11); the number of the lower pressure rollers (131) is the same as the number of the upper pressure rollers (223), and all the upper pressure rollers (223) and all the lower pressure rollers (131) correspond one to one and are vertically opposite.

8. The coal flow shaping device according to claim 7, characterized in that: The lower pressure roller (131) is provided with two lower pressure plates (132) spaced apart along the axial direction of the lower pressure roller (131), and the conveying belt (12) is located between the two lower pressure plates (132); the spacing between the two lower pressure plates (132) is consistent; For the upper pressing roller (223) and the lower pressing roller (131) vertically opposite to each other, the peripheries of the two upper pressing plates (224) are in contact with the peripheries of the two lower pressing plates (132) respectively.

9. The coal flow shaping device according to claim 1, characterized in that: The coal flow shaping device further comprises an upper scraping mechanism (3) capable of scraping the shaping belt (21).

10. A coal detection system, characterized in that: A coal flow shaping device comprising the coal flow shaping device described in any one of claims 1 to 9.

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