Transportation device with automatic sweeping function for coal production

Abstract

The invention relates to the field of coal production, in particular to a coal production transportation device with an automatic sweeping function. According to the coal production transportation device with the automatic sweeping function, coal can be automatically and horizontally conveyed into and out of the carriage, dust generated when the coal is loaded and unloaded is reduced, and meanwhile the coal transportation efficiency is improved. A coal production transportation device with an automatic sweeping function comprises a crawler, a cab and the like, and the cab is connected to the upper side of the left portion of the crawler. Coal is carried to the conveying belt, then the conveying belt is started, the conveying belt rotates to convey the coal into the carriage, after coal loading is completed, the crawler transports the coal to a designated place, and after the coal reaches the designated place, the conveying belt rotates reversely to convey the coal out of the carriage. The effects that the coal can be automatically and horizontally conveyed into and out of the carriage, the dust generated during coal loading and unloading is reduced, and meanwhile the coal transportation efficiency is improved are achieved.

Description

Technical Field

[0001] The invention relates to the field of coal production, and in particular to a coal production transportation device with an automatic cleaning function. Background Art

[0002] Coal production transport equipment refers to mechanical equipment used to transport coal during coal mining and production. These equipment are designed to improve coal transportation efficiency, reduce labor costs, and ensure the safety and integrity of coal during transportation.

[0003] The existing coal production transport vehicle is to load the coal into the vehicle box and then move the transport vehicle to transfer the coal. However, after the coal is transported to the designated location, the staff needs to control the rotation and tilt of the vehicle box to dump the coal out of the vehicle box. When the coal is dumped, a large amount of dust is easily raised, which pollutes the environment and affects the health of the staff. When the coal is loaded into the vehicle box, the staff needs to load the coal into the interior of the vehicle box, which is time-consuming and labor-intensive and easily raises dust.

[0004] Therefore, a coal production transportation device with automatic cleaning function has been developed which can automatically and horizontally deliver coal into and out of the car box, reduce dust during coal loading and unloading, and improve coal transportation efficiency. Summary of the invention

[0005] In order to overcome the shortcomings of existing coal production transport vehicles, after the coal is transported to the designated location, the staff needs to control the rotation and tilt of the car box to dump the coal out of the car box, which easily raises a large amount of dust, pollutes the environment and affects the health of the staff, and when the coal is loaded into the car box, the staff needs to load the coal into the interior of the car box, which is time-consuming and laborious. The present invention provides a coal production transport device with automatic cleaning function that can automatically and horizontally deliver coal into and out of the car box, reduce dust during coal loading and unloading, and improve coal transportation efficiency.

[0006] A transport device for coal production with an automatic cleaning function comprises a crawler vehicle, a cab, a transport mechanism and a cleaning mechanism. The upper left side of the crawler vehicle is connected to the cab, the crawler vehicle is provided with a transport mechanism capable of transporting coal, and the transport mechanism is provided with a cleaning mechanism capable of automatic cleaning.

[0007] Further explanation: there are lights on the cab.

[0008] Further description, the transportation mechanism includes a car box, a first motor, a conveyor belt, a first cylinder, a connecting frame, a lifting frame and a baffle. The upper right side of the crawler vehicle is connected to the car box, the lower right front side of the car box is connected to the first motor, the left and right parts of the car box are rotatably provided with rotating rollers, the conveyor belt first motor output shaft is wound around the rotating rollers and is connected to the rotating roller on the right side, the upper surface of the conveyor belt covers the bottom of the car box, the lower part of the car box is rotatably provided with a plurality of supporting rollers, and the supporting rollers are all located at the bottom of the conveyor belt, the front and rear sides of the middle part of the car box are connected to the connecting frames, and the connecting frames are connected to It is connected to multiple first cylinders, and a lifting frame is connected between the telescopic ends of the first cylinders. A baffle is connected to the lower left side of the lifting frame. The baffle is slidably connected to the car body. The first cylinder on the connecting frame is started to move the lifting frame downward, so that the baffle moves downward to close the left side of the car body. After that, the mined coal is transported to the conveyor belt of the car body, and then the conveyor belt is started to rotate to transport the coal into the car body. After the coal is loaded, the crawler vehicle transports the coal to the designated location. After arriving at the designated location, the conveyor belt is rotated in the opposite direction to send the coal out of the car body.

[0009] Further explanation, the cleaning mechanism includes a second motor, a first screw rod, a movable frame, a rotating frame, a first spring, a third motor and a cleaning roller. The second motor is connected to the left side of the upper part of the car box, the first screw rod is connected to the output shaft of the second motor, the right side of the first screw rod is rotatably connected to the car box, the left part of the first screw rod is threadedly connected to the movable frame, the rear of the movable frame is slidably connected to the car box, the front and rear parts of the movable frame are rotatably connected to the left and right rotating frames, the rotating frames are connected to the moving frames with the first spring, the rotating frames are connected to the third motor, and the output shaft of the third motor is connected to the cleaning roller. The first cylinder is started to move the lifting frame and the baffle upward, and the second motor is started again to drive the first screw rod to rotate, so that the movable frame moves to the right in the car box. While the movable frame moves to the right, the cleaning roller on the rotating frame is always in contact with the inner wall of the car box through the action of the first spring, and the third motor is started at the same time to drive the cleaning roller to rotate, so that the cleaning roller cleans the inner wall of the car box.

[0010] Further description: the cleaning rollers are all provided with brushes.

[0011] Further description, it also includes a spraying mechanism, which includes a second cylinder, a covering door, a fixed frame, a water tank, a water pipe, a guide hollow column, a second spring, a threaded column, a rotating plate, a connecting pipe and a nozzle. The second cylinder is connected to the upper right part of the lifting frame, and the covering door is connected to the telescopic end of the second cylinder. The covering door is slidably connected to the lifting frame. The upper right side of the lifting frame is connected to two front and rear fixed frames, and a water tank is connected between the fixed frames. The lower middle part of the water tank is connected to a water pipe, and the middle part of the water pipe is rotatably connected to a rotating plate. A threaded column is connected to the left side of the rotating plate, and a guide hollow column is slidably connected to the threaded column through a spiral groove. The guide hollow column It is slidably connected to the water pipe, and a second spring is connected between the front and rear parts of the guide hollow column and the water pipe. The guide hollow column is squeezed and matched with the covering door. Initially, the second spring is in a compressed state. A connecting pipe is connected to the lower side of the water pipe, and the connecting pipe is connected to the lifting frame. A plurality of nozzles are connected to the connecting pipe. The second cylinder is started to push the covering door to move upward so that the covering door no longer blocks the vehicle compartment. When the covering door moves upward, it separates from the guide hollow column, and then the second spring rebounds, causing the guide hollow column to move, triggering the threaded column to rotate, causing the rotating plate to rotate and open, and then the water in the water tank flows into the water pipe and is sprayed out through the nozzle on the connecting pipe.

[0012] Further description: the guide hollow column is of folding type.

[0013] Further description, it also includes a scraping mechanism, which includes a scraper, a fourth motor, a second screw and a movable push plate. The scraper is connected to the lower part of the car body, and the scraper is located on the lower side of the conveyor belt. The fourth motor is connected to the front side of the lower left part of the car body, and the second screw is connected to the output shaft of the fourth motor. The right side of the second screw is rotatably connected to the car body, and the movable push plate is threadedly connected to the second screw, and the rear part of the movable push plate is slidably connected to the car body. When the conveyor belt rotates, the scraper scrapes off the coal fragments on the conveyor belt, and the scraped coal fragments fall onto the crawler vehicle. After the coal unloading is completed, the fourth motor is started to drive the second screw to rotate, so that the movable push plate moves to push the scraped coal fragments out of the crawler vehicle.

[0014] Further description, it also includes an auxiliary mechanism, which includes a connecting bracket and a rotating auxiliary plate. The right sides of the front and rear parts of the car body are connected with connecting brackets, and the rotating auxiliary plates are connected between the connecting brackets through a damping rotation. When unloading coal, the rotating auxiliary plate on the connecting bracket is rotated to make the rotating auxiliary plate contact with the ground. After the coal is transported to the rotating auxiliary plate through the conveyor belt, it slides down along the rotating auxiliary plate.

[0015] Further description, it also includes a suction mechanism, which includes a connecting pipe and a connecting head. The connecting pipe is connected to the upper middle side of the moving frame, and the connecting head is connected to the lower middle side of the moving frame. The connecting head is connected to the connecting pipe. The connecting head is connected to the vacuum cleaner, and then the vacuum cleaner is started. When the moving frame moves, the connecting head is driven to move, so that the connecting head sucks the dust cleaned from the inner wall of the car body into the vacuum cleaner.

[0016] The beneficial effects of the present invention are as follows: 1. The present invention transports the coal to the conveyor belt, then starts the conveyor belt, and rotates the conveyor belt to transport the coal to the car box. After the coal is loaded, the crawler vehicle transports the coal to the designated location. After arriving at the designated location, the conveyor belt rotates in the opposite direction to send the coal out of the car box, thereby achieving the effect of automatically and horizontally sending the coal into and out of the car box, reducing dust during coal loading and unloading, and improving the efficiency of coal transportation.

[0017] 2. The present invention uses the force of the first spring to make the cleaning roller on the rotating frame always contact with the inner wall of the car box, and at the same time starts the third motor to drive the cleaning roller to rotate, so that the cleaning roller cleans the inner wall of the car box, achieving the effect of automatically cleaning the dust on the inner wall of the car box and saving manpower.

[0018] 3. The present invention starts the second cylinder to push the covering door upward so that the covering door no longer blocks the car box. When the covering door moves upward, it disengages from the guide hollow column, and then the second spring rebounds to move the guide hollow column, triggering the threaded column to rotate, so that the rotating plate rotates and opens, and then the water in the water tank flows into the water pipe and is sprayed out through the nozzle on the connecting pipe, thereby achieving the effect of reducing dust on the coal and avoiding the generation of a large amount of dust when the coal is unloaded.

[0019] 4. The present invention scrapes the coal fragments on the conveyor belt by a scraper, and the scraped coal fragments fall onto the crawler vehicle. After the coal unloading is completed, the fourth motor is started to drive the second screw to rotate, so that the movable push plate moves and the scraped coal fragments are pushed out of the crawler vehicle, thereby achieving the effect of cleaning the coal fragments on the conveyor belt and avoiding waste caused by coal adhering to the conveyor belt.

[0020] 5. When the present invention unloads coal, the rotating auxiliary plate on the connecting bracket is rotated to make the rotating auxiliary plate contact the ground. After the coal is transported to the rotating auxiliary plate through the conveyor belt, it slides down along the rotating auxiliary plate, thereby achieving the effect of being able to receive the coal and avoiding the vertical fall of the coal to generate dust.

[0021] 6. The present invention connects the connecting head to the vacuum cleaner, starts the vacuum cleaner, and drives the connecting head to move while the moving frame moves, so that the connecting head sucks the dust cleaned from the inner wall of the car box into the vacuum cleaner, thereby achieving the effect of sucking the dust cleaned from the inner wall of the car box and preventing the dust from spreading. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 2 It is a partial three-dimensional structural schematic diagram of the present invention.

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the transportation mechanism of the present invention.

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the cleaning mechanism of the present invention.

[0026] Figure 5 It is a partial three-dimensional structural schematic diagram of the cleaning mechanism of the present invention.

[0027] Figure 6 It is a three-dimensional structural schematic diagram of the spraying mechanism of the present invention.

[0028] Figure 7 It is a three-dimensional structural schematic diagram of the spraying mechanism of the present invention.

[0029] Figure 8 It is a partial three-dimensional structural cross-sectional view of the spraying mechanism of the present invention.

[0030] Fig. 9 It is a schematic diagram of the three-dimensional structure of the scraping mechanism of the present invention.

[0031] Fig.10 It is a three-dimensional structural cross-sectional view of the scraping mechanism of the present invention.

[0032] Fig.11 It is a three-dimensional structural schematic diagram of the auxiliary mechanism of the present invention.

[0033] Fig.12 It is a three-dimensional structural schematic diagram of the suction mechanism of the present invention.

[0034] In the above figures: 1: crawler vehicle, 2: cab, 3: transport mechanism, 30: car box, 31: first motor, 32: conveyor belt, 33: first cylinder, 34: connecting frame, 35: lifting frame, 36: baffle, 4: cleaning mechanism, 40: second motor, 41: first screw rod, 42: moving frame, 43: rotating frame, 44: first spring, 45: third motor, 46: cleaning roller, 5: spraying mechanism, 50: second cylinder, 51 : Cover door, 52: Fixed frame, 53: Water tank, 54: Water pipe, 55: Guide hollow column, 56: Second spring, 57: Threaded column, 58: Rotating plate, 59: Connecting pipe, 510: Spray head, 6: Scraping mechanism, 60: Scraper, 61: Fourth motor, 62: Second screw rod, 63: Moving push plate, 7: Auxiliary mechanism, 70: Connecting bracket, 71: Rotating auxiliary plate, 8: Suction mechanism, 80: Connecting suction tube, 81: Connecting head. DETAILED DESCRIPTION

[0035] The present invention will now be described more fully below with reference to the accompanying drawings, in which currently preferred embodiments of the present invention are shown. However, the present invention may be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and these embodiments fully convey the scope of the present invention to the skilled person.

[0036] A coal production transport device with automatic cleaning function, such as Figure 1 and Figure 2 As shown, it includes a tracked vehicle 1, a cab 2, a transport mechanism 3 and a cleaning mechanism 4. The cab 2 is connected to the upper left side of the tracked vehicle 1. The cab 2 is provided with a headlight for lighting. The tracked vehicle 1 is provided with a transport mechanism 3, and the transport mechanism 3 is provided with a cleaning mechanism 4.

[0037] like Figure 1 and Figure 3 As shown, the transport mechanism 3 includes a car box 30, a first motor 31, a conveyor belt 32, a first cylinder 33, a connecting frame 34, a lifting frame 35 and a baffle 36. The car box 30 is connected to the upper right side of the tracked vehicle 1, and the first motor 31 is connected to the front side of the lower right part of the car box 30. The left and right parts of the car box 30 are rotatably provided with rotating rollers, and the conveyor belt 32 is wound around the rotating rollers. The output shaft of the first motor 31 is connected to the rotating roller on the right side, and the upper surface of the conveyor belt 32 covers the bottom of the car box 30. The lower part of the car box 30 is rotatably provided with a plurality of supporting rollers, and the supporting rollers are all located at the bottom of the conveyor belt 32. The front and rear sides of the middle part of the car box 30 are connected to the connecting frame 34, and three first cylinders 33 are connected to the connecting frame 34. A lifting frame 35 is connected between the telescopic ends of the first cylinder 33, and a baffle 36 is connected to the lower side of the left part of the lifting frame 35. The baffle 36 is slidably connected to the car box 30.

[0038] like Figure 1 , Figure 4 and Figure 5 As shown, the cleaning mechanism 4 includes a second motor 40, a first screw rod 41, a movable frame 42, a rotating frame 43, a first spring 44, a third motor 45 and a cleaning roller 46. The second motor 40 is connected to the left upper part of the carriage 30, the first screw rod 41 is connected to the output shaft of the second motor 40, the right side of the first screw rod 41 is rotatably connected to the carriage 30, the left part of the first screw rod 41 is threadedly connected to the movable frame 42, the rear part of the movable frame 42 is slidably connected to the carriage 30, the front and rear parts of the movable frame 42 are rotatably connected to the left and right rotating frames 43, the rotating frames 43 are connected to the movable frames 42 with the first spring 44, the rotating frames 43 are connected to the third motor 45, the output shafts of the third motor 45 are connected to the cleaning roller 46, and the cleaning roller 46 is provided with a brush for cleaning the carriage 30.

[0039] When using the present invention, firstly, the staff enters the cab 2, and then controls the crawler vehicle 1 to move to the coal loading area. When coal needs to be loaded, the first cylinder 33 on the connecting frame 34 is started to move the lifting frame 35 downward, so that the baffle 36 moves downward to close the left side of the car box 30, and then the mined coal is transported to the conveyor belt 32 of the car box 30, and then the conveyor belt 32 is started to rotate the conveyor belt 32 to transport the coal to the car box 30. After the coal loading is completed, the crawler vehicle 1 transports the coal to the designated location. After arriving at the designated location, the conveyor belt 32 is rotated in the opposite direction to send the coal out of the car box 30, thereby playing the role of automatically and horizontally sending the coal into and out of the car box 30, reducing the dust during coal loading and unloading, and improving the coal transportation efficiency. After the coal transportation is completed, the first cylinder 33 is started to move the lifting frame 35 and the baffle 36 upward, and then the second motor 40 is started to drive the first screw rod 41 to rotate, so that the movable frame 42 moves to the right in the car box 30. While the movable frame 42 moves to the right, the cleaning roller 46 on the rotating frame 43 is always in contact with the inner wall of the car box 30 through the action of the first spring 44. At the same time, the third motor 45 is started to drive the cleaning roller 46 to rotate, so that the cleaning roller 46 cleans the inner wall of the car box 30, thereby automatically cleaning the dust on the inner wall of the car box 30 and saving manpower.

[0040] like Figure 1 , Figure 6 , Figure 7 and Figure 8As shown, it also includes a spraying mechanism 5, which includes a second cylinder 50, a covering door 51, a fixing frame 52, a water tank 53, a water pipe 54, a guide hollow column 55, a second spring 56, a threaded column 57, a rotating plate 58, a connecting pipe 59 and a nozzle 510. The second cylinder 50 is connected to the upper right part of the lifting frame 35, and the covering door 51 is connected to the telescopic end of the second cylinder 50. The covering door 51 is slidably connected to the lifting frame 35. The upper right side of the lifting frame 35 is connected to the front and rear fixing frames 52, and the fixing frames 52 are connected to the water tank 53. The lower middle part of the water tank 53 is connected to the water pipe 54, and the middle rotating end of the water pipe 54 is connected to the water tank 53. A rotating plate 58 is dynamically connected, a threaded column 57 is connected to the left side of the rotating plate 58, a guide hollow column 55 is slidably connected to the threaded column 57 through a spiral groove, the guide hollow column 55 is slidably connected to the water pipe 54, a second spring 56 is connected between the front and rear parts of the guide hollow column 55 and the water pipe 54, the guide hollow column 55 is squeezed and matched with the covering door 51, and the second spring 56 is initially in a compressed state. The guide hollow column 55 is folded, which is convenient for squeezing and matching with the covering door 51, a connecting pipe 59 is connected to the lower side of the water pipe 54, the connecting pipe 59 is connected to the lifting frame 35, and eight nozzles 510 are connected to the connecting pipe 59.

[0041] The spraying mechanism 5 of the device can be used to reduce dust from coal. After the coal is loaded into the car box 30, the covering door 51 closes the right side of the car box 30. After the crawler vehicle 1 transports the coal to the designated location, the second cylinder 50 is started to push the covering door 51 to move upward so that the covering door 51 no longer blocks the car box 30. When the covering door 51 moves upward, it disengages from the guide hollow column 55, and then the second spring 56 rebounds, causing the guide hollow column 55 to move, triggering the threaded column 57 to rotate, causing the rotating plate 58 to rotate and open, and then the water in the water tank 53 flows into the water pipe 54, and then is sprayed out through the nozzle 510 on the connecting pipe 59, thereby reducing dust from the coal and avoiding the generation of a large amount of dust when the coal is unloaded.

[0042] like Figure 1 , Fig. 9 and Fig.10 As shown, a scraping mechanism 6 is also included, which includes a scraper 60, a fourth motor 61, a second screw rod 62 and a movable push plate 63. The scraper 60 is connected to the lower part of the car box 30, and the scraper 60 is located on the lower side of the conveyor belt 32. The fourth motor 61 is connected to the front side of the lower left part of the car box 30, and the second screw rod 62 is connected to the output shaft of the fourth motor 61. The right side of the second screw rod 62 is rotatably connected to the car box 30, and the movable push plate 63 is threadedly connected to the second screw rod 62. The rear part of the movable push plate 63 is slidably connected to the car box 30.

[0043] The scraping mechanism 6 of the device can be used to clean the conveyor belt 32. When the conveyor belt 32 rotates, the scraper 60 scrapes off the coal fragments on the conveyor belt 32, and the scraped coal fragments fall onto the crawler vehicle 1. After the coal unloading is completed, the fourth motor 61 is started to drive the second screw rod 62 to rotate, so that the movable push plate 63 moves and pushes the scraped coal fragments out of the crawler vehicle 1, thereby playing a role in cleaning the coal fragments on the conveyor belt 32 and avoiding the waste of coal attached to the conveyor belt 32.

[0044] like Figure 1 and Fig.11 As shown, an auxiliary mechanism 7 is also included, and the auxiliary mechanism 7 includes a connecting bracket 70 and a rotation auxiliary plate 71. The right sides of the front and rear parts of the vehicle box 30 are connected to the connecting brackets 70, and the rotation auxiliary plates 71 are connected between the connecting brackets 70 through a damping rotation type.

[0045] The auxiliary mechanism 7 of the device can be used to receive the coal. When unloading the coal, the rotating auxiliary plate 71 on the connecting bracket 70 is rotated to make the rotating auxiliary plate 71 contact with the ground. After the coal is transported to the rotating auxiliary plate 71 through the conveyor belt 32, it slides down along the rotating auxiliary plate 71, thereby playing the role of receiving the coal and preventing the coal from falling vertically to generate dust.

[0046] like Figure 1 and Fig.12 As shown, it also includes a suction mechanism 8, which includes a connecting straw 80 and a connecting head 81. The connecting straw 80 is connected to the upper middle side of the moving frame 42, and the connecting head 81 is connected to the lower middle side of the moving frame 42. The connecting head 81 is connected to the connecting straw 80.

[0047] The suction mechanism 8 of the present device can be used to absorb the dust cleaned from the inner wall of the car box 30. The connecting head 81 is connected to the vacuum cleaner, and then the vacuum cleaner is started. When the movable frame 42 moves, the connecting head 81 is driven to move, so that the connecting head 81 sucks the dust cleaned from the inner wall of the car box 30 into the vacuum cleaner, thereby absorbing the dust cleaned from the inner wall of the car box 30 and preventing the dust from spreading.

[0048] While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. A coal production transportation device with automatic cleaning function, characterized by: The crawler vehicle (1) comprises a crawler vehicle (1), a cab (2), a transport mechanism (3) and a cleaning mechanism (4); the crawler vehicle (1) is connected to the cab (2) on the upper left side; the crawler vehicle (1) is provided with a transport mechanism (3) capable of transporting coal; and the transport mechanism (3) is provided with a cleaning mechanism (4) capable of automatic cleaning; The transport mechanism (3) comprises a vehicle box (30), a first motor (31), a conveyor belt (32), a first cylinder (33), a connecting frame (34), a lifting frame (35) and a baffle (36). The upper right side of the crawler vehicle (1) is connected to the vehicle box (30), the lower right front side of the vehicle box (30) is connected to the first motor (31), the left and right sides of the vehicle box (30) are both rotatably provided with rotating rollers, the conveyor belt (32) is wound around the rotating rollers, the output shaft of the first motor (31) is connected to the rotating roller on the right side, the upper surface of the conveyor belt (32) covers the bottom of the vehicle box (30), the lower part of the vehicle box (30) is rotatably provided with a plurality of supporting rollers, the supporting rollers are all located at the bottom of the conveyor belt (32), the middle part of the vehicle box (30) is connected to the connecting frame (34) on both the front and rear sides, and the connecting frame (34) is A plurality of first cylinders (33) are connected, a lifting frame (35) is connected between the telescopic ends of the first cylinders (33), a baffle (36) is connected to the lower left side of the lifting frame (35), and the baffle (36) is slidably connected to the vehicle box (30). The first cylinders (33) on the connecting frame (34) are started to move the lifting frame (35) downward, so that the baffle (36) moves downward to close the left side of the vehicle box (30), and then the mined coal is transported to the conveyor belt (32) of the vehicle box (30), and then the conveyor belt (32) is started to rotate the conveyor belt (32) to transport the coal to the vehicle box (30). After the coal is loaded, the crawler vehicle (1) transports the coal to a designated location. After arriving at the designated location, the conveyor belt (32) is rotated in the reverse direction to send the coal out of the vehicle box (30).

2. A coal production transportation device with automatic cleaning function according to claim 1, characterized in that: The cab (2) is provided with a headlight.

3. A coal production transportation device with automatic cleaning function according to claim 2, characterized in that: The cleaning mechanism (4) comprises a second motor (40), a first screw rod (41), a movable frame (42), a rotating frame (43), a first spring (44), a third motor (45) and a cleaning roller (46). The second motor (40) is connected to the left side of the upper part of the carriage (30). The first screw rod (41) is connected to the output shaft of the second motor (40). The right side of the first screw rod (41) is rotatably connected to the carriage (30). The left side of the first screw rod (41) is threadedly connected to the movable frame (42). The rear part of the movable frame (42) is slidably connected to the carriage (30). The front and rear parts of the movable frame (42) are both rotatably connected to the left and right rotating frames (43). The rotating frames (43) are each connected to the movable frame (42) via a first screw rod. The spring (44) and the rotating frame (43) are both connected to a third motor (45), and the output shaft of the third motor (45) is both connected to a cleaning roller (46). The first cylinder (33) is started to move the lifting frame (35) and the baffle (36) upward, and then the second motor (40) is started to drive the first screw rod (41) to rotate, so that the moving frame (42) moves rightward in the vehicle box (30). When the moving frame (42) moves rightward, the cleaning roller (46) on the rotating frame (43) is always in contact with the inner wall of the vehicle box (30) through the action force of the first spring (44). At the same time, the third motor (45) is started to drive the cleaning roller (46) to rotate, so that the cleaning roller (46) cleans the inner wall of the vehicle box (30).

4. A coal production transportation device with automatic cleaning function according to claim 3, characterized in that: The cleaning rollers (46) are each provided with a brush.

5. A coal production transportation device with automatic cleaning function according to claim 4, characterized in that: The invention also comprises a spraying mechanism (5), the spraying mechanism (5) comprising a second cylinder (50), a covering door (51), a fixing frame (52), a water tank (53), a water pipe (54), a guide hollow column (55), a second spring (56), a threaded column (57), a rotating plate (58), a connecting pipe (59) and a spray head (510), the upper right part of the lifting frame (35) is connected to the second cylinder (50), the telescopic end of the second cylinder (50) is connected to the covering door (51), and the covering door (51) is connected to the second cylinder (50). The cover door (51) is slidably connected to the lifting frame (35). The upper right side of the lifting frame (35) is connected to two front and rear fixing frames (52). A water tank (53) is connected between the fixing frames (52). A water pipe (54) is connected to the lower middle side of the water tank (53). A rotating plate (58) is rotatably connected to the middle of the water pipe (54). A threaded column (57) is connected to the left side of the rotating plate (58). A guide hollow column (55) is slidably connected to the threaded column (57) through a spiral groove. The guide hollow column (55) is connected to the left side of the rotating plate (58). The core column (55) is slidably connected to the water pipe (54), a second spring (56) is connected between the front and rear parts of the guide hollow column (55) and the water pipe (54), the guide hollow column (55) is pressed and matched with the cover door (51), the second spring (56) is initially in a compressed state, a connecting pipe (59) is connected to the lower side of the water pipe (54), the connecting pipe (59) is connected to the lifting frame (35), a plurality of nozzles (510) are connected to the connecting pipe (59), and the second cylinder (510) is started. 50), pushes the covering door (51) to move upward, so that the covering door (51) no longer blocks the vehicle box (30). When the covering door (51) moves upward, it disengages from the guiding hollow column (55), and then the second spring (56) rebounds, so that the guiding hollow column (55) moves, triggering the threaded column (57) to rotate, so that the rotating plate (58) rotates and opens, and then the water in the water tank (53) flows into the water pipe (54) and is sprayed out through the spray head (510) on the connecting pipe (59).

6. A coal production transportation device with automatic cleaning function according to claim 5, characterized in that: The guiding hollow column (55) is a folding type.

7. A coal production transportation device with automatic cleaning function according to claim 6, characterized in that: The vehicle also includes a scraping mechanism (6), the scraping mechanism (6) including a scraper (60), a fourth motor (61), a second screw rod (62) and a movable push plate (63). The scraper (60) is connected to the lower part of the vehicle box (30), the scraper (60) is located on the lower side of the conveyor belt (32), the fourth motor (61) is connected to the front side of the lower left part of the vehicle box (30), the second screw rod (62) is connected to the output shaft of the fourth motor (61), the right side of the second screw rod (62) is rotatably connected to the vehicle box (30), and the second screw rod (62) is connected to the lower left part of the vehicle box (30). The upper threaded connection is provided with a movable push plate (63) whose lower side contacts the crawler vehicle (1). The rear of the movable push plate (63) is slidably connected to the vehicle box (30). When the conveyor belt (32) rotates, the scraper (60) scrapes off the coal fragments on the conveyor belt (32). The scraped coal fragments fall onto the crawler vehicle (1). After the coal unloading is completed, the fourth motor (61) is started to drive the second screw rod (62) to rotate, so that the movable push plate (63) moves rightward, and the scraped coal fragments are pushed out of the crawler vehicle (1).

8. A coal production transportation device with automatic cleaning function according to claim 7, characterized in that: The vehicle also includes an auxiliary mechanism (7), the auxiliary mechanism (7) including a connecting bracket (70) and a rotating auxiliary plate (71). The right sides of the front and rear parts of the vehicle box (30) are both connected to the connecting brackets (70), and the rotating auxiliary plate (71) is connected between the connecting brackets (70) by a damping rotation type. When unloading coal, the rotating auxiliary plate (71) on the connecting bracket (70) is rotated to make the rotating auxiliary plate (71) contact the ground. After the coal is transported to the rotating auxiliary plate (71) by the conveyor belt (32), it slides down along the rotating auxiliary plate (71).

9. A coal production transportation device with automatic cleaning function according to claim 8, characterized in that: The vehicle further comprises a suction mechanism (8), the suction mechanism (8) comprising a connecting suction pipe (80) and a connecting head (81), the connecting suction pipe (80) being connected to the upper middle side of the moving frame (42), the connecting head (81) being connected to the lower middle side of the moving frame (42), the connecting head (81) being connected to the connecting suction pipe (80), the connecting head (81) being connected to a vacuum cleaner, and the vacuum cleaner being started, the moving frame (42) moving while driving the connecting head (81) to move, so that the connecting head (81) sucks the dust cleaned from the inner wall of the vehicle box (30) into the vacuum cleaner.

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