Coal conveying device with flow monitoring function

Abstract

The invention belongs to the technical field of conveying, in particular to a coal conveying device with a flow monitoring function, and provides the following scheme that the coal conveying device comprises a conveying table, a conveying mechanism is arranged at the top of the conveying table, and the conveying mechanism is composed of two supports, two rotating rods, two rotating rollers and a conveying belt; the bottoms of the two supports are connected with the top of the conveying table through bolts, the two ends of the rotating rod are rotationally connected with the two opposite sides of the supports through bearings, the rotating roller is fixedly connected to the outer wall of the rotating rod in a sleeving mode, and a monitoring mechanism is arranged on one side of the top of the conveying table. The situation that coal materials are stacked on the conveying belt in the conveying process, pressure borne by a certain part of the conveying belt is large, and consequently the conveying belt is damaged and loosened due to pressing is prevented, the definition of the visual camera is conveniently improved, and the situation that dust adheres to the surface of the visual camera, so that the definition of the visual camera is reduced is prevented; therefore, the flow monitoring of the coal material is influenced.

Description

Technical Field

[0001] The invention relates to the field of transportation, and in particular to a coal material transportation device with a flow monitoring function. Background Art

[0002] Coal refers to the raw material mixed with various clean coals transported from coal mines in prescribed proportions. In thermal power plants, coking plants, metallurgical plants and other places, the amount of coal used is very large. Since the transportation and combustion efficiency of large pieces of coal is low, a coal conveying device is used before combustion to transport the large pieces of coal to the crusher for crushing. After the coal is broken into small pieces, it is transported to the combustion furnace for combustion.

[0003] After searching, the Chinese patent application with application publication number CN115159043A discloses a dust-free coal conveying system. It includes a bracket, wherein the bracket is internally connected with a plurality of guide rollers, and the outer parts of the plurality of guide rollers are sleeved with a conveyor belt; a cleaning assembly is arranged on one side of the bottom end of the conveyor belt, and the cleaning assembly includes a first rotating rod, a roller, a cleaning brush, a collecting box, and a transmission mechanism; a screening assembly is arranged at the bottom end of the box, and the screening assembly includes a mounting plate, a screening plate, a collar, a sliding rod, a rectangular frame, and a cam; a gear driving assembly is arranged inside the housing, and the gear driving assembly includes a first gear, a second gear, a second rotating rod, a third gear, a third rotating rod, and a fourth gear, and the cam is driven to rotate inside the rectangular frame through the first gear and the rotating shaft, and the screening plate is driven to move through the mounting plate to screen the coal, which not only improves the work efficiency, but also reduces the labor intensity of the staff.

[0004] When existing devices transport and process coal, the coal is usually placed on a conveyor belt and transported and processed through the conveyor belt. However, the coal is usually accumulated on the conveyor belt during transportation, which will cause a certain part of the conveyor belt to be subjected to greater pressure, causing the conveyor belt to sag downward, and the coal will flow to the depressed position of the conveyor belt, which will cause the conveyor belt to be compressed and loosen, thereby affecting the transportation of the coal. Summary of the invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A coal conveying device with a flow monitoring function comprises a conveying platform, a conveying mechanism is arranged on the top of the conveying platform, and the conveying mechanism consists of two brackets, two rotating rods, two rollers and a conveyor belt, the bottoms of the two brackets are connected to the top of the conveying platform by bolts, the two ends of the rotating rod are rotatably connected to the opposite sides of the brackets by bearings, the rollers are fixedly sleeved on the outer walls of the rotating rods, and the two rollers are rotatably connected to the conveyor belt, and protective belts are arranged on both sides of the outer wall of the conveyor belt, one side of one of the brackets is connected to a motor by bolts, and one end of the motor is connected to one of the rotating rods by bolts, a scraping mechanism is arranged on one side of the top of the conveying platform, and the scraping mechanism is located on one side of the top of the conveying mechanism.

[0006] Preferably, legs are connected to both sides of the top of the conveyor platform by bolts, and a support plate is connected between opposite sides of two adjacent legs by bolts, and the top of the support plate contacts the bottom of the conveyor belt.

[0007] Preferably, a monitoring mechanism is provided on one side of the top of the conveyor platform, and the monitoring mechanism consists of two fixed plates, a connecting seat and a visual camera. The bottom of the two fixed plates are connected to the top of the conveyor platform by bolts, and the two ends of the connecting seat are connected to one side of the two fixed plates by bolts. A through hole is opened through the top of the connecting seat, and the through hole is fixedly connected to the visual camera.

[0008] Preferably, the scraping mechanism includes two connecting plates, a transmission assembly, a scraping assembly and a pushing assembly, and the bottom of the two connecting plates are connected to the two sides of the top of the conveying platform by bolts, the scraping assembly is located between the two connecting plates, the scraping assembly is connected to one of the connecting plates by a transmission assembly, and the transmission assembly is connected to the other connecting plate by a pushing assembly.

[0009] Preferably, the scraping assembly consists of a support seat and a plurality of scraping teeth, and a limiting rod is connected between the two sides of the outer wall of the support seat and the two connecting plates by bolts. The limiting rod is made of telescopic material, and a spring is sleeved on the outer wall of the limiting rod. Multiple scraping teeth are welded at equal distances at the bottom of the support seat.

[0010] Preferably, the transmission assembly consists of two connecting rods, a rotating shaft, a gear and a rack, and one side of the two connecting rods is connected to one of the connecting plates by bolts, and the two ends of the rotating shaft are rotatably connected to the two connecting rods by bearings. The gear is fixedly sleeved on the outer wall of the rotating shaft, the gear is fan-shaped, and the gear is meshed with the rack, and the bottom of the rack is connected to the top of the support seat by bolts.

[0011] Preferably, the pushing assembly consists of two shafts, two pulleys, a belt, a first top block and a second top block, one end of one of the shafts is welded to the rotating rod, one of the pulleys is fixedly sleeved on the outer wall of the shaft, one end of the other shaft is rotatably connected to one of the connecting plates via a bearing, the other pulley is fixedly sleeved on the outer wall of the shaft, a rotatable connection is formed between the two pulleys and the belt, one end of the first top block is welded to the shaft, a push rod is connected between one side of the second top block and one side of the gear via a hinge, a plurality of concave-convex portions are provided on opposite sides of the first top block and the second top block, and the first top block and the second top block are matched with each other.

[0012] Preferably, a dust reduction mechanism is provided between the conveying platform and the monitoring mechanism, and the dust reduction mechanism cooperates with the conveying mechanism.

[0013] Preferably, the dust reduction mechanism includes a turntable, a pressure plate, an airbag and an air storage box, and one side of the turntable is connected to the rotating rod by bolts, a pin is welded on one side of the turntable away from the center of the circle, the outer wall of the pin is rotatably sleeved with a shaft sleeve, a push plate is connected to the pressure plate by a hinge, the airbag is located between the bottom of the pressure plate and the conveying platform, through openings are opened on both sides of the top of the connecting seat, the inner walls of the two openings are fixedly connected to the air storage box, a conduit is arranged between the air storage box and the airbag, an air jet hole is opened at the bottom of the air storage box, and the position of the air jet hole is inclined toward one side of the visual camera.

[0014] The beneficial effects of the present invention are: The present invention provides a conveying mechanism and a scraping mechanism. When the coal is conveyed, the coal is placed on the conveying mechanism. At this time, the conveying mechanism is started, and the conveying mechanism drives the coal to be conveyed. During this period, one of the pulleys rotates with the operation of the conveying mechanism, and the first top block rotates under the cooperation of the two pulleys and the belt. Since the first top block and the second top block are provided with a plurality of concave and convex parts on the opposite side, when the first top block rotates, the second top block pushes the push rod to move to one side under the pressure of the first top block, and the push rod pushes the gear to move when it moves. The next side rotates, at this time, the support seat drives the scraper to move back and forth through the meshing between the gear and the rack, and the scraper will scrape the accumulated coal evenly when moving, so as to evenly distribute the coal on the conveyor belt, so that the conveyor belt is evenly stressed, so as to improve the conveying effect of the device on the coal, and prevent the coal from accumulating on the conveyor belt during transportation, causing a certain part of the conveyor belt to be subjected to a large pressure, so that the conveyor belt is concave downward, causing part of the coal to flow to the concave position of the conveyor belt, thereby causing the conveyor belt to be compressed and loosened, thereby affecting the transportation of the coal; The present invention provides a conveying mechanism and a dust reduction mechanism. When the coal is conveyed to the bottom of the visual camera under the action of the conveying mechanism, the flow of the coal is monitored and processed by the visual camera, and the turntable rotates with the operation of the conveying mechanism. At this time, the pin shaft rotates with the center of the turntable as the center, and the push plate pushes the pressure plate to move up and down under the action of the pin shaft and the sleeve. When the pressure plate moves downward, the airbag is squeezed. At this time, the gas inside the airbag is transported to the inside of the air storage box through the conduit, and the air pressure inside the air storage box increases with the input of the gas. The gas inside the air storage box is ejected through the jet hole under the action of the air pressure, thereby effectively reducing the dust generated when the coal is scraped evenly, so as to improve the clarity of the visual camera and prevent dust from adhering to the surface of the visual camera, which causes the clarity of the visual camera to be reduced, thereby affecting the flow monitoring of the coal. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a coal conveying device with flow monitoring function proposed by the present invention; Figure 2 This is a schematic diagram of the structure of a conveying mechanism of a coal conveying device with a flow monitoring function proposed by the present invention; Figure 3 This is a schematic diagram of the structure of a scraping mechanism of a coal conveying device with a flow monitoring function proposed by the present invention; Figure 4 for Figure 3 Schematic diagram of the structure at A proposed in the figure; Figure 5 This is a schematic diagram of the main structure of a scraping mechanism of a coal conveying device with a flow monitoring function proposed by the present invention; Figure 6 This is a schematic diagram of the structure of a dust reduction mechanism of a coal conveying device with a flow monitoring function proposed by the present invention; Figure 7 This is a partial structural schematic diagram of a coal conveying device with flow monitoring function proposed by the present invention.

[0016] In the attached drawings: 1. conveying platform; 2. conveying mechanism; 3. scraping mechanism; 4. monitoring mechanism; 5. dust reduction mechanism; 6. bracket; 7. rotating rod; 8. rotating roller; 9. conveyor belt; 10. protective belt; 11. motor; 12. supporting leg; 13. supporting plate; 14. connecting plate; 15. shaft; 16. pulley; 17. belt; 18. connecting rod; 19. rotating shaft; 20. gear; 21. limiting rod; 22. spring; 23. supporting seat; 24. scraping teeth; 25. first top block; 26. second top block; 27. push rod; 28. rack; 29. ​​fixing plate; 30. connecting seat; 31. visual camera; 32. turntable; 33. pin shaft; 34. bushing; 35. push plate; 36. pressure plate; 37. air bag; 38. catheter; 39. through port; 40. air storage box; 41. jet hole. DETAILED DESCRIPTION

[0017] Example 1, reference Figure 1-Figure 6 A coal conveying device with a flow monitoring function comprises a conveying platform 1, a conveying mechanism 2 is arranged on the top of the conveying platform 1, and the conveying mechanism 2 is composed of two brackets 6, two rotating rods 7, two rollers 8 and a conveyor belt 9. The bottoms of the two brackets 6 are connected to the top of the conveying platform 1 by bolts, and the two ends of the rotating rod 7 are rotatably connected to the opposite sides of the brackets 6 by bearings. The rollers 8 are fixedly sleeved on the outer wall of the rotating rod 7, and the two rollers 8 are rotatably connected to the conveyor belt 9. Both sides of the outer wall of the conveyor belt 9 are provided with protective belts 10, and one side of one of the brackets 6 is connected to a motor 11 by bolts, and One end of the motor 11 is connected to one of the rotating rods 7 by bolts, and a scraping mechanism 3 is provided on one side of the top of the conveying platform 1, and the scraping mechanism 3 is located on one side of the top of the conveying mechanism 2, so that the coal is evenly distributed on the conveyor belt 9, so that the conveyor belt 9 is evenly stressed, so as to improve the conveying effect of the device on the coal, and prevent the coal from accumulating on the conveyor belt 9 during transportation, causing a certain part of the conveyor belt 9 to be subjected to a large pressure, so that the conveyor belt 9 is concave downward, causing part of the coal to flow to the concave position of the conveyor belt 9, thereby causing the conveyor belt 9 to be subjected to pressure loss and the conveyor belt 9 to become loose, thereby affecting the transportation of the coal.

[0018] On the basis of the above, both sides of the top of the conveyor platform 1 are connected with legs 12 by bolts, and the opposite sides of two adjacent legs 12 are connected with support plates 13 by bolts, and the top of the support plate 13 contacts the bottom of the conveyor belt 9.

[0019] On the basis of the above, a monitoring mechanism 4 is provided on one side of the top of the conveyor platform 1, and the monitoring mechanism 4 is composed of two fixed plates 29, a connecting seat 30 and a visual camera 31. The bottom of the two fixed plates 29 is connected to the top of the conveyor platform 1 by bolts, and the two ends of the connecting seat 30 are connected to one side of the two fixed plates 29 by bolts. A through hole is opened through the top of the connecting seat 30, and the through hole is fixedly connected to the visual camera 31.

[0020] On the basis of the above, the scraping mechanism 3 includes two connecting plates 14, a transmission assembly, a scraping assembly and a pushing assembly, and the bottom of the two connecting plates 14 are connected to the two sides of the top of the conveying platform 1 by bolts, the scraping assembly is located between the two connecting plates 14, the scraping assembly is connected to one of the connecting plates 14 by a transmission assembly, and the transmission assembly is connected to the other connecting plate 14 by a pushing assembly.

[0021] On the basis of the above, the scraping assembly consists of a support seat 23 and a plurality of scraping teeth 24, and a limiting rod 21 is connected between the two sides of the outer wall of the support seat 23 and the two connecting plates 14 by bolts. The limiting rod 21 is made of telescopic material, and the outer wall of the limiting rod 21 is sleeved with a spring 22. A plurality of scraping teeth 24 are welded at equal distances at the bottom of the support seat 23.

[0022] On the basis of the above, the transmission assembly consists of two connecting rods 18, a rotating shaft 19, a gear 20 and a rack 28, and one side of the two connecting rods 18 is connected to one of the connecting plates 14 by bolts, and the two ends of the rotating shaft 19 are rotatably connected to the two connecting rods 18 by bearings. The gear 20 is fixedly sleeved on the outer wall of the rotating shaft 19, and the gear 20 is fan-shaped. The gear 20 is meshed with the rack 28, and the bottom of the rack 28 is connected to the top of the support seat 23 by bolts.

[0023] On the basis of the above, the pushing assembly consists of two shafts 15, two pulleys 16, a belt 17, a first top block 25 and a second top block 26, one end of one of the shafts 15 is welded to the rotating rod 7, one of the pulleys 16 is fixedly sleeved on the outer wall of the shaft 15, one end of the other shaft 15 is rotatably connected to one of the connecting plates 14 through a bearing, the other pulley 16 is fixedly sleeved on the outer wall of the shaft 15, and a rotatably connection is formed between the two pulleys 16 and the belt 17, one end of the first top block 25 is welded to the shaft 15, one side of the second top block 26 and one side of the gear 20 are connected by a hinge with a push rod 27, and a plurality of concave and convex parts are provided on the opposite sides of the first top block 25 and the second top block 26, so that the first top block 25 and the second top block 26 are matched with each other.

[0024] Example 2, reference Figure 1-Figure 7, a coal conveying device with a flow monitoring function. Compared with Example 1, on the basis of Example 1, a dust reduction mechanism 5 is arranged between the conveying platform 1 and the monitoring mechanism 4, and the dust reduction mechanism 5 is coordinated with the conveying mechanism 2.

[0025] On the basis of the above, the dust reduction mechanism 5 includes a turntable 32, a pressure plate 36, an airbag 37 and an air storage box 40, and one side of the turntable 32 is connected to the rotating rod 7 by bolts, a pin shaft 33 is welded on one side of the turntable 32 away from the center of the circle, and a shaft sleeve 34 is rotatably sleeved on the outer wall of the pin shaft 33. A push plate 35 is connected to the pressure plate 36 by a hinge, and the airbag 37 is located between the bottom of the pressure plate 36 and the conveying platform 1. Through openings 39 are opened on both sides of the top of the connecting seat 30, and the inner walls of the two through openings 39 are fixedly connected to the air storage box 40. A duct 38 is arranged between the air storage box 40 and the airbag 37, and an injection hole 41 is opened at the bottom of the air storage box 40, and the position of the injection hole 41 is inclined toward one side of the visual camera 31.

[0026] In summary, with the aid of the above technical solution of the present invention, when the coal is transported, the coal is placed on the conveying mechanism 2. At this time, the conveying mechanism 2 is started, and the conveying mechanism 2 drives the coal to be transported. During this period, one of the pulleys 16 rotates with the operation of the conveying mechanism 2, and the first top block 25 rotates with the cooperation of the two pulleys 16 and the belt 17. Since the first top block 25 and the second top block 26 are provided with a plurality of concave and convex parts on the opposite side, when the first top block 25 rotates, the second top block 26 squeezes the first top block 25. The push rod 27 is pushed down to move to one side, and the push rod 27 pushes the gear 20 to rotate downward when it moves. At this time, the support seat 23 drives the scraper 24 to move back and forth through the meshing between the gear 20 and the rack 28, and the scraper 24 scrapes the accumulated coal material evenly when it moves, so that the coal material is evenly distributed on the conveyor belt 9, so that the conveyor belt 9 is evenly stressed, so as to improve the conveying effect of the device on the coal material, and prevent the coal material from accumulating on the conveyor belt 9 during transportation, resulting in a large pressure on a certain part of the conveyor belt 9, so that the conveyor belt 9 is concave downward. The depression causes part of the coal to flow to the depressed position of the conveyor belt 9, thereby causing the conveyor belt 9 to be compressed and loosened, thereby affecting the transportation of the coal. When the coal is transported to the bottom of the visual camera 31 under the action of the conveying mechanism 2, the flow of the coal is monitored and processed by the visual camera 31, and the turntable 32 rotates with the operation of the conveying mechanism 2. At this time, the pin shaft 33 rotates with the center of the turntable 34 as the center, and the push plate 35 pushes the pressing plate 36 to move up and down under the action of the pin shaft 33 and the sleeve 34. 6 will squeeze the airbag 37 when moving downward. At this time, the gas inside the airbag 37 will be transported to the inside of the air storage box 40 through the conduit 38, and the air pressure inside the air storage box 40 will increase with the input of the gas. The gas inside the air storage box 40 will be ejected through the air jet hole 41 under the action of the air pressure, so as to effectively reduce the dust generated when the coal is scraped evenly, so as to improve the clarity of the visual camera 31 and prevent dust from adhering to the surface of the visual camera 31, resulting in a decrease in the clarity of the visual camera 31, thereby affecting the flow monitoring of the coal.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal conveying device with a flow monitoring function, comprising a conveying platform (1), characterized in that: A conveying mechanism (2) is arranged on the top of the conveying platform (1), and the conveying mechanism (2) is composed of two brackets (6), two rotating rods (7), two rotating rollers (8) and a conveying belt (9). The bottoms of the two brackets (6) are connected to the top of the conveying platform (1) by bolts, and the two ends of the rotating rod (7) are rotatably connected to the two opposite sides of the bracket (6) by bearings. The rotating roller (8) is fixedly sleeved on the outer wall of the rotating rod (7), and the two rotating rollers (8) are rotatably connected to the conveying belt (9). Both sides of the outer wall of the conveying belt (9) are provided with protective belts (10), and one side of one of the brackets (6) is connected to a motor (11) by bolts, and the motor ( One end of the conveyor platform (11) is connected to one of the rotating rods (7) by bolts, a scraping mechanism (3) is provided on one side of the top of the conveyor platform (1), and the scraping mechanism (3) is located on one side of the top of the conveyor mechanism (2), a monitoring mechanism (4) is provided on one side of the top of the conveyor platform (1), and the monitoring mechanism (4) is composed of two fixed plates (29), a connecting seat (30) and a visual camera (31), the bottom of the two fixed plates (29) is connected to the top of the conveyor platform (1) by bolts, the two ends of the connecting seat (30) are connected to one side of the two fixed plates (29) by bolts, and a through hole is opened through the top of the connecting seat (30), and the through hole is fixedly connected to the visual camera (31).

2. A coal conveying device with flow monitoring function according to claim 1, characterized in that: Both sides of the top of the conveyor platform (1) are connected to support legs (12) by bolts, and a support plate (13) is connected between opposite sides of two adjacent support legs (12) by bolts, and the top of the support plate (13) is in contact with the bottom of the conveyor belt (9).

3. The coal conveying device with flow monitoring function according to claim 1, characterized in that: The scraping mechanism (3) comprises two connecting plates (14), a transmission assembly, a scraping assembly and a pushing assembly, wherein the bottoms of the two connecting plates (14) are connected to both sides of the top of the conveying platform (1) by bolts, the scraping assembly is located between the two connecting plates (14), the scraping assembly is connected to one of the connecting plates (14) by the transmission assembly, and the transmission assembly is connected to the other connecting plate (14) by the pushing assembly.

4. A coal conveying device with flow monitoring function according to claim 3, characterized in that: The scraping assembly is composed of a support seat (23) and a plurality of scraping teeth (24), and a limit rod (21) is connected between two sides of the outer wall of the support seat (23) and two connecting plates (14) by bolts, the limit rod (21) is made of a telescopic material, and a spring (22) is sleeved on the outer wall of the limit rod (21), and the plurality of scraping teeth (24) are welded to the bottom of the support seat (23) at equal distances.

5. The coal conveying device with flow monitoring function according to claim 4, characterized in that: The transmission assembly is composed of two connecting rods (18), a rotating shaft (19), a gear (20) and a rack (28), and one side of the two connecting rods (18) is connected to one of the connecting plates (14) by bolts, and both ends of the rotating shaft (19) are rotatably connected to the two connecting rods (18) by bearings. The gear (20) is fixedly sleeved on the outer wall of the rotating shaft (19), and the gear (20) is fan-shaped. The gear (20) is meshed with the rack (28), and the bottom of the rack (28) is connected to the top of the support seat (23) by bolts.

6. The coal conveying device with flow monitoring function according to claim 3, characterized in that: The pushing assembly comprises two shafts (15), two pulleys (16), a belt (17), a first top block (25) and a second top block (26), wherein one end of one shaft (15) is welded to the rotating rod (7), one pulley (16) is fixedly sleeved on the outer wall of the shaft (15), one end of the other shaft (15) is rotatably connected to one of the connecting plates (14) via a bearing, the other pulley (16) is fixedly sleeved on the outer wall of the shaft (15), the two pulleys (16) and the belt (17) are rotatably connected, one end of the first top block (25) is welded to the shaft (15), one side of the second top block (26) and one side of the gear (20) are connected to a push rod (27) via a hinge, and a plurality of concave and convex portions are provided on opposite sides of the first top block (25) and the second top block (26), and the first top block (25) and the second top block (26) are matched with each other.

7. The coal conveying device with flow monitoring function according to claim 1, characterized in that: A dust reduction mechanism (5) is provided between the conveying platform (1) and the monitoring mechanism (4), and the dust reduction mechanism (5) cooperates with the conveying mechanism (2).

8. The coal conveying device with flow monitoring function according to claim 7, characterized in that: The dust reduction mechanism (5) comprises a rotating disk (32), a pressure plate (36), an air bag (37) and an air storage box (40), and one side of the rotating disk (32) is connected to the rotating rod (7) by bolts, a pin shaft (33) is welded at a position away from the center of the circle on one side of the rotating disk (32), a shaft sleeve (34) is rotatably sleeved on the outer wall of the pin shaft (33), a push plate (35) is connected between the shaft sleeve (34) and the pressure plate (36) by a hinge, the air bag (37) is located between the bottom of the pressure plate (36) and the conveying platform (1), both sides of the top of the connecting seat (30) are penetrated by openings (39), the inner walls of the two openings (39) are fixedly connected to the air storage box (40), a conduit (38) is arranged between the air storage box (40) and the air bag (37), and an air jet hole (41) is arranged at the bottom of the air storage box (40), and the position of the air jet hole (41) is inclined toward one side of the visual camera (31).

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