Coal conveying device

Abstract

The utility model relates to a coal conveying device which comprises a conveying mechanism, a sampling pipe body and a sampling mechanism, and the conveying mechanism comprises a conveying belt used for conveying coal from back to front in the conveying direction; the sampling pipe body comprises a pipe body and an expansion shell, two opposite side walls of the pipe body along the conveying direction are respectively provided with a first passing opening for the conveying belt to pass through, the pipe body is provided with a first sampling opening which faces the conveying belt and is positioned above the conveying belt, and the expansion shell is positioned on the front side of the pipe body along the conveying direction; the capacity expansion shell is connected to the side wall of the pipe body, a capacity expansion cavity is defined by the capacity expansion shell and the side wall of the pipe body, the capacity expansion cavity communicates with the adjacent first passing opening and is provided with a second sampling opening facing the conveying belt, and the bottom of the capacity expansion cavity communicates with the pipe body; the sampling mechanism is located above the conveying belt, is opposite to the first sampling opening and is used for pushing coal towards the first sampling opening. According to the technical scheme provided by the invention, coal can be effectively collected, and meanwhile, the coal is prevented from splashing out of the conveying belt to cause pollution, so that the cleanliness of the environment is improved.

Description

Technical Field

[0001] The present disclosure relates to the field of coal drop pipe technology and equipment, and in particular, to a coal conveying device. Background Art

[0002] The coal belt conveyor sampling system mainly includes a sampling head located in the middle of the belt conveyor. The sampling head can collect highly representative complete cross-section samples during the transportation of coal, and ensure that the collected samples can accurately and objectively reflect the true quality of the coal. In terms of design, a conveyor belt passage will be reserved on the sampling tube, and the conveyor belt of the belt conveyor will pass through the passage so that the conveyor belt can be closer to the sampling port of the sampling tube.

[0003] During the sampling process, the sampling head, driven by a motor, rotates at high speed, hammering the coal sample on the conveyor belt into the sampling tube on the side, thus collecting the coal sample. However, the strong impact force of the sampling head during this process causes the coal to splash in the coal drop tube under the strong impact. Furthermore, the coal has the inertia of moving forward as the conveyor runs, causing some coal to fall through the drop hole to the ground, which is not conducive to the efficiency of sample collection and the cleanliness of the environment. Utility Model Content

[0004] The purpose of the present disclosure is to provide a coal conveying device that can effectively collect coal, so as to at least partially solve the above technical problems.

[0005] In order to achieve the above objectives, the present disclosure provides a coal conveying device, comprising:

[0006] A conveying mechanism, including a conveyor belt, for conveying coal from rear to front along a conveying direction;

[0007] a sampling tube body, at least partially disposed on one side of the conveying mechanism in a horizontal direction perpendicular to the conveying direction, the sampling tube body comprising a tube body and an expansion shell, both opposite side walls of the tube body along the conveying direction having a first passage opening for the conveyor belt to pass through, the tube body having a first sampling opening facing the conveyor belt and located above the conveyor belt, the expansion shell being located on the front side of the tube body along the conveying direction, the expansion shell being connected to the side wall of the tube body and forming an expansion cavity with the side wall of the tube body, the expansion cavity being communicated with the adjacent first passage opening and having a second sampling opening facing the conveyor belt, the bottom of the expansion cavity being communicated with the tube body; and

[0008] A sampling mechanism is located above the conveyor belt and arranged opposite to the first sampling port, and is used for pushing part of the coal on the conveyor belt toward the first sampling port.

[0009] Optionally, a second passage for the conveyor belt to pass through is provided on the outer wall of the expansion shell away from the tube body along the conveying direction, and the second sampling port is formed between the top wall of the expansion shell and the conveyor belt.

[0010] Optionally, the top wall of the expansion shell is configured as a first cover plate, the second sampling port is formed between the first cover plate and the conveyor belt, and the top wall surface of the first cover plate extends obliquely downward toward the conveyor belt.

[0011] Optionally, the top wall of the expansion shell includes a first cover plate and a second cover plate connected to each other, the second cover plate is connected to the side of the first cover plate away from the conveyor belt, the second cover plate is parallel to the horizontal direction, and the top wall surface of the first cover plate extends obliquely downward toward the conveyor belt.

[0012] Optionally, the second through opening is formed between the first cover plate and an outer wall of the expansion shell facing away from the tube body.

[0013] Optionally, the bottom wall of the expansion shell extends obliquely downward toward the tube body.

[0014] Optionally, the conveyor belt includes a main belt plate and side belt plates located on opposite sides of the main belt plate in the horizontal direction, the side belt plates are arranged inclined in a direction away from the main belt plate, and the side belt plates adjacent to the sampling tube body are passed through the first through port and the second through port.

[0015] Optionally, the tube body includes two connecting plates extending along the horizontal direction and located above the conveyor belt, the first sampling port is located between the two connecting plates and between the two opposite side walls of the tube body, the sampling mechanism is connected to the two connecting plates and includes a sampling head located between the two connecting plates, and the sampling head is used to push the coal toward the first sampling port.

[0016] Optionally, the sampling mechanism further includes a driving member and a rotating shaft arranged between two connecting plates, the sampling head is connected to the rotating shaft, the rotating shaft extends along the conveying direction, and the driving member drives the sampling head to rotate through the rotating shaft to push the coal toward the first sampling port.

[0017] Optionally, the conveying mechanism further includes rollers located at the bottom of the conveyor belt and a support frame connected to the rollers.

[0018] Through the above technical solution, the expansion shell is set on the front side of the tube body, and the coal transported from the back to the front along the conveying direction enters the first sampling port after being impacted by the sampling mechanism. Due to the impact force of the sampling mechanism and the inertia force during the coal transportation process, the coal that may pass through the first through port will enter the expansion cavity of the expansion shell, and then return to the tube body through the expansion cavity. In addition, in the related art, due to the inertia force during the coal transportation process and the impact force of the sampling mechanism, some coal may fly out of the front side of the tube body to the outside of the conveyor belt. In the present application, the arrangement of the expansion shell and the second sampling port can make the coal flying out of the front side of the tube body enter the expansion shell through the second sampling port and then return to the tube body. Therefore, the coal conveying device provided by the present disclosure can realize the effective collection of coal, avoid coal scattering on the ground and causing pollution, and improve the cleanliness of the environment.

[0019] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following detailed description, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0021] Figure 1 is a schematic diagram of the overall structure of a first embodiment of a coal conveying device provided in an exemplary embodiment of the present disclosure;

[0022] Figure 2 is a front view of a first embodiment of a coal conveying device provided in an exemplary embodiment of the present disclosure;

[0023] Figure 3 is a front view of a second embodiment of a coal conveying device provided in an exemplary embodiment of the present disclosure;

[0024] Figure 4 yes Figure 3 A magnified view of position A in the middle;

[0025] Figure 5 This is a schematic diagram of the overall structure of the second embodiment of the coal conveying device provided in the exemplary embodiment of the present disclosure. Figure 1 ;

[0026] Figure 6 This is a schematic diagram of the overall structure of the second embodiment of the coal conveying device provided in the exemplary embodiment of the present disclosure. Figure 2 .

[0027] Description of Reference Numerals

[0028] 1. Conveying mechanism; 100. Conveyor belt; 101. Side belt plate; 102. Idler; 103. Support frame; 104. Main belt plate;

[0029] 200, tube body; 201, expansion housing; 202, first sampling port; 203, second through port; 204, first cover plate; 205, second sampling port; 206, second cover plate; 207, connecting plate;

[0030] 300, rotating shaft; 301, sampling head;

[0031] 4. First pass. DETAILED DESCRIPTION

[0032] The following describes the specific embodiments of the present disclosure in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure and are not intended to limit the present disclosure.

[0033] In the present disclosure, unless otherwise specified, "inside" and "outside" refer to the inside and outside of the outline of the corresponding component. In addition, the terms "first" and "second" used in the present disclosure are to distinguish one element from another and have no order or importance. In addition, when the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0034] according to Figures 1 to 6 As shown, an embodiment of the present disclosure provides a coal conveying device, which may include a conveying mechanism 1, a sampling tube body and a sampling mechanism. The conveying mechanism 1 may include a conveyor belt 100, which is used to convey coal from back to front along a conveying direction X; the sampling tube body is at least partially arranged on one side of the conveying mechanism in a horizontal direction Y perpendicular to the conveying direction, and the sampling tube body may include a tube body 200 and an expansion shell 201. The two opposite side walls of the tube body 200 along the conveying direction X each have a first through port 4 for the conveyor belt 100 to pass through, and the tube body 200 has a first through port 4 facing the conveyor belt 100 and located on the conveyor belt 100. The first sampling port 202 is provided on the side of the pipe body 200, the expansion shell 201 is located on the front side A of the pipe body 200 along the conveying direction X, the expansion shell 201 is connected to the side wall of the pipe body 200 and forms an expansion cavity with the side wall of the pipe body 200, the expansion cavity is connected to the adjacent first through port 4 and has a second sampling port 205 facing the conveyor belt 100, the bottom of the expansion cavity is connected to the pipe body 200, so that the coal can enter the pipe body 200 through the expansion cavity; the sampling mechanism can be located above the conveyor belt 100 and arranged opposite to the first sampling port 202, and the sampling mechanism is used to push part of the coal on the conveyor belt 100 toward the first sampling port 202.

[0035] Through the above technical solution, the expansion shell 201 is set on the front side of the tube body 200, and the coal transported from the back to the front along the conveying direction X enters the first sampling port 202 after being impacted by the sampling mechanism. Due to the impact force of the sampling mechanism and the inertia force during the coal transportation process, the coal that may pass through the first through port 4 will enter the expansion cavity of the expansion shell 201, and then return to the tube body 200 through the expansion cavity, so as to prevent part of the coal from flying out of the conveyor belt 100 from the front side A of the tube body 200. While effectively collecting the coal, it can prevent the coal from being scattered on the ground and causing pollution, so as to improve the cleanliness of the environment.

[0036] Among them, the front side A of the conveying direction X can be the side with the same arrangement position as the expansion shell 201 relative to the tube body 200, the rear side B of the conveying direction X can be the side in the opposite direction of the front side A, and the conveying direction X conveying coal from front to back can be the coal being conveyed from the rear side B to the front side A; the horizontal direction Y can be the same direction as the direction of the conveyor belt 100 toward the tube body 200.

[0037] The tube body 200 can be constructed in any suitable manner. For example, the tube body 200 can be constructed as an inverted L-shaped columnar structure. The top of the tube body 200 and the side thereof away from the first sampling port 202 along the horizontal direction Y can be respectively sealed by a top plate and a side plate, so that the tube body 200 can form a storage space for accommodating the operation of the sampling mechanism and protecting the sampling mechanism. The present disclosure is not limited thereto.

[0038] In some embodiments, for example, referring to Figures 1 to 3 As shown, a second passage 203 for the conveyor belt 100 to pass through can be provided on the outer wall of the expansion housing 201 away from the tube body 200 along the conveying direction X, and a second sampling port 205 is formed between the top wall of the expansion housing 201 and the conveyor belt 100. The second sampling port 205 can be used to collect some coal from the conveyor belt 100 and the first passage 4. The second passage 203 is used to allow the conveyor belt 100 to pass through, so that the conveyor belt 100 can be closer to the second sampling port 205 of the expansion housing 201, so that the coal can enter the second sampling port 205 more smoothly. Among them, since the expansion housing 201 is added, even if the second passage 203 is present, it is relatively far from the sampling mechanism, making it difficult for the coal to fly out of the second passage 203.

[0039] It should be noted that, in order to prevent the conveyor belt 100 from running off and vibrating and deforming during operation, which may cause friction and scratching between the conveyor belt 100 and the tube body 200 and the expansion shell 201, for example, Figure 4 As shown, the first through port 4 can reserve enough extension space for the conveyor belt. The present disclosure is not limited thereto.

[0040] In some embodiments, for example, referring to Figure 1 and Figure 2 As shown, the top wall of the expansion housing 201 can be constructed as a first cover plate 204. A second sampling port 205 is formed between the first cover plate 204 and the conveyor belt 100. The top wall of the first cover plate 204 extends obliquely downward toward the conveyor belt 100. The provision of the first cover plate 204 can prevent falling objects from above the expansion housing 201 from entering the expansion cavity, thereby improving safety. At the same time, the top wall of the first cover plate 204 extends obliquely downward toward the conveyor belt, so that the opening size of the second sampling port 205 is as small as possible to accommodate only coal, thereby preventing other contaminants from entering the expansion cavity and affecting the sampling results.

[0041] The length of the first cover plate 204 extending obliquely downward toward the conveyor belt should cover the first through opening 4 .

[0042] During the sampling process, the coal impacted by the sampling mechanism will splash, and the coal splashed onto the first cover plate 204 will return to the conveyor belt 100. The first cover plate 204 can limit the splash range of the coal and prevent the coal from flying out of the coal conveying device and causing pollution to the environment.

[0043] In some other possible implementations, for example, referring to Figures 3 to 6 As shown, the top wall of the expansion housing 201 may include a first cover plate 204 and a second cover plate 206. The second cover plate 206 is connected to the side of the first cover plate 204 away from the conveyor belt 100. The second cover plate 206 is parallel to the horizontal direction Y, and the top wall of the first cover plate 204 extends downwardly and obliquely toward the conveyor belt 100. The second cover plate 206, which is parallel to the horizontal direction Y, is provided to prevent falling objects from above the expansion housing 201 from hitting the second cover plate 206 and sliding directly onto the conveyor belt 100, thereby contaminating the coal. At the same time, the second cover plate 206 also serves as a reinforcement structure to enhance the stability of the first cover plate 204, thereby ensuring greater safety and reliability.

[0044] Optionally, the second passage 203 mentioned above can be formed between the first cover plate 204 and the outer wall of the expansion housing 201 facing away from the tube body 200. The top wall of the first cover plate 204 extends downwardly and obliquely toward the conveyor belt 100, so that the opening size of the second sampling port 205 is as small as possible to accommodate only the coal, preventing other pollutants from entering the expansion chamber and affecting the sampling results. In addition, coal splashed onto the first cover plate 204 will return to the conveyor belt 100. The first cover plate 204 can limit the range of coal splashing, preventing coal from flying out of the coal conveying device and polluting the environment.

[0045] In some embodiments, for example, referring to Figures 1 to 6As shown, the bottom wall of the expansion housing 201 can extend downwardly and obliquely toward the tube body 200. By arranging the bottom wall of the tube body 200 at an inclination, the coal entering the expansion cavity can slide into the tube body 200 more quickly, preventing the coal from accumulating and clogging in the expansion cavity, thereby improving reliability.

[0046] In some embodiments, for example, referring to Figures 1 to 6 As shown, the conveyor belt 100 may include a main belt plate 104 and side belt plates 101 located on opposite sides of the main belt plate 104 along the horizontal direction Y. The side belt plates 101 are arranged at an angle away from the main belt plate 104. The side belt plates 101 adjacent to the sampling tube body are inserted through the first through-port 4 and the second through-port 203. By providing the side belt plates 101 at an angle relative to the main belt plate 104, coal is further prevented from splashing out of the coal conveying device during the sampling process. By inserting the side belt plates 101 through the first through-port 4 and the second through-port 203, during the coal sampling process, coal that has not been collected by the expansion housing 201 and the tube body 200 can slide back along the side belt plates 101 to the main belt plate 104, further improving the reliability of the coal conveying device.

[0047] In some embodiments, for example, referring to Figures 1 to 6 As shown, the tube body 200 may include two connecting plates 207 extending in the horizontal direction Y and located above the conveyor belt 100. The first sampling port 202 is located between the two connecting plates 207 and between two opposite side walls of the tube body 200. The sampling mechanism is connected to the two connecting plates 207 and includes a sampling head 301 located between the two connecting plates 207. The sampling head 301 is used to push coal toward the first sampling port 202. By arranging the sampling head 301 between the two connecting plates 207, the sampling head 301 can more accurately push coal to the first sampling port 202 during operation, thereby improving reliability.

[0048] Optionally, the sampling mechanism may further include a driving member and a rotating shaft 300 disposed between the two connecting plates 207. A sampling head 301 is connected to the rotating shaft 300, which extends along the conveying direction X. The driving member drives the sampling head 301 to rotate via the rotating shaft 300, thereby pushing the coal toward the first sampling port 202. With this sampling method, the sampling head 301, under the influence of the driving force of the driving member and the centrifugal force generated by its own rotation, imparts sufficient impact force to the coal, facilitating coal sampling.

[0049] The driving member may be a driving motor, and the sampling head 301 may be constructed as a pendulum connected to the rotating shaft 300 .

[0050] In some embodiments not shown, the sampling mechanism may include a slide rod, a sampling head 301 connected to the slide rod, and a driving member for driving the sampling head to move along the horizontal direction Y. The slide rod may extend along the horizontal direction Y and have its two ends respectively connected to the side walls of the tube body 200. The slide rod is located between the two connecting plates 207. The sampling head 301 is slidably connected to the slide rod. The driving member is drivably connected to the sampling head 301 to push the sampling head 301 to move along the slide rod. In the above manner, coal sampling can also be achieved. The driving member can be constructed as a cylinder or a telescopic push rod. The present disclosure is not limited to this, and those skilled in the art can make adaptive adjustments according to the needs of actual conditions.

[0051] In some embodiments, for example, referring to Figures 1 to 6 As shown, the conveying mechanism may further include rollers 102 located at the bottom of the conveyor belt 100 and a support frame 103 connected to the rollers 102. The rollers 102 are used to support the conveyor belt 100, and the support frame 103 is used to fix the rollers 102 and provide sufficient supporting force.

[0052] The present disclosure exemplarily describes the sampling process of a coal conveying device. For example, after the coal is mined, it will be transported to power plants or docks and other places through a coal conveying device according to actual needs. During the transportation process, the coal needs to be partially collected. Therefore, a sampling mechanism will be set up during the transportation to collect coal samples, and the quality parameters of the coal will be obtained by testing the samples. When the coal is transported to the sampling position of the sampling mechanism, the sampling head 301 rotates around the rotating shaft 300 under the action of the driving motor, so that the coal in contact with the sampling head 301 is impacted and enters the tube body 200. Due to the strong impact force of the sampling head 301 and the inertia force during the coal transportation process, the coal will splash when it is impacted. Some of the coal will directly enter the first sampling port 202, and some of the coal will bounce into the expansion shell 201 through the first through port 4, or enter the expansion shell 201 through the first through port 4 and then through the second sampling port 205 or return to the conveyor belt 100. Some of the coal may also directly enter the expansion shell 201 through the second sampling port 205. The coal entering the expansion shell 201 will enter the tube body 200 for sampling. In addition, the first cover plate 204 located above the second sampling port 205 can limit the ejection height of the coal, so that the coal returns to the conveyor belt 100.

[0053] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.

[0054] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0055] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A coal conveying device, characterized in that: include: A conveying mechanism, including a conveyor belt, for conveying coal from rear to front along a conveying direction; a sampling tube body, at least partially disposed on one side of the conveying mechanism in a horizontal direction perpendicular to the conveying direction, the sampling tube body comprising a tube body and an expansion shell, both opposite side walls of the tube body along the conveying direction having a first passage opening for the conveyor belt to pass through, the tube body having a first sampling opening facing the conveyor belt and located above the conveyor belt, the expansion shell being located on the front side of the tube body along the conveying direction, the expansion shell being connected to the side wall of the tube body and forming an expansion cavity with the side wall of the tube body, the expansion cavity being communicated with the adjacent first passage opening and having a second sampling opening facing the conveyor belt, the bottom of the expansion cavity being communicated with the tube body; and A sampling mechanism is located above the conveyor belt and arranged opposite to the first sampling port, and is used for pushing part of the coal on the conveyor belt toward the first sampling port.

2. The coal conveying device according to claim 1, characterized in that: A second passage for the conveyor belt to pass through is provided on the outer wall of the expansion shell away from the tube body along the conveying direction, and the second sampling port is formed between the top wall of the expansion shell and the conveyor belt.

3. The coal conveying device according to claim 2, characterized in that: The top wall of the expansion housing is configured as a first cover plate. The second sampling port is formed between the first cover plate and the conveyor belt. The top wall of the first cover plate extends obliquely downward toward the conveyor belt.

4. The coal conveying device according to claim 2, characterized in that: The top wall of the expansion shell includes a first cover plate and a second cover plate connected to each other, the second cover plate is connected to the side of the first cover plate away from the conveyor belt, the second cover plate is parallel to the horizontal direction, and the top wall surface of the first cover plate extends downwardly and obliquely toward the conveyor belt.

5. The coal conveying device according to claim 3 or 4, characterized in that: The second through opening is formed between the first cover plate and the outer wall of the expansion shell facing away from the tube body.

6. The coal conveying device according to claim 1, characterized in that: The bottom wall of the expansion shell extends obliquely downward toward the tube body.

7. The coal conveying device according to any one of claims 2 to 4, characterized in that: The conveyor belt includes a main belt plate and side belt plates located on opposite sides of the main belt plate in the horizontal direction. The side belt plates are arranged obliquely in a direction away from the main belt plate. The side belt plates adjacent to the sampling tube body are passed through the first through port and the second through port.

8. The coal conveying device according to claim 1, characterized in that: The pipe body includes two connecting plates extending in the horizontal direction and located above the conveyor belt. The first sampling port is located between the two connecting plates and between the two opposite side walls of the pipe body. The sampling mechanism is connected to the two connecting plates and includes a sampling head located between the two connecting plates. The sampling head is used to push the coal toward the first sampling port.

9. The coal conveying device according to claim 8, characterized in that: The sampling mechanism also includes a driving member and a rotating shaft arranged between two connecting plates. The sampling head is connected to the rotating shaft, and the rotating shaft extends along the conveying direction. The driving member drives the sampling head to rotate through the rotating shaft to push the coal toward the first sampling port.

10. The coal conveying device according to claim 1, characterized in that: The conveying mechanism also includes a roller located at the bottom of the conveyor belt and a support frame connected to the roller.

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