A conveying device for cleaning sticky coal

Abstract

This utility model relates to the technical field of coal mine conveying equipment, specifically to a conveying device for cleaning sticky coal. It includes a frame with a rotating drive roller and a driven roller connected by a belt. The frame also has idler rollers to support the belt. A rotating arm is hinged to the frame, and a power component with an output shaft is fixedly connected to the rotating arm. The power component is an explosion-proof motor, suitable for use in underground roadways. A disc brush is fixedly connected to the output shaft of the explosion-proof motor. Channels A and B are formed inside the scraper. One end of channel A is located on the outer wall of the scraper, and the other end extends along its length into the interior of the scraper. Several channels B are connected at one end to channel A, and the other end extends to the outer wall of the scraper near the return belt. First, the disc brush removes the lighter-adhered coal sludge, reducing coal sludge accumulation at the rear scraper. Then, the scraper removes large, stubborn pieces of coal sludge. Through multi-layered cleaning, the cleaning effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of coal mine conveying equipment technology, and specifically to a conveying device for cleaning up sticky coal. Background Technology

[0002] Conveying equipment has advantages such as large conveying capacity, simple structure, convenient maintenance, and standardized components. It is widely used in mining, metallurgy, coal and other industries to convey loose materials or packaged goods. Depending on the conveying process requirements, it can be used as a single unit or multiple units can be combined or combined with other conveying equipment to form a horizontal or inclined conveying system to meet the needs of different layout types of work lines.

[0003] Chinese utility model patent CN221776779U – A coal mine conveying device, including a conveying device support, a conveyor belt rotatably connected to the conveying device support, a cleaning structure detachably connected to the conveying device support, the cleaning structure including locking blocks, two locking blocks detachably connected to the conveying device support in a parallel and symmetrical relationship, a connecting block detachably connected to the locking block, two positioning blocks detachably connected to the connecting block in a parallel and symmetrical relationship, a scraper slidably connected to the positioning block, and the scraper slidably connected to the conveyor belt.

[0004] The above patents use scrapers to remove coal slag and dust adhering to the conveyor belt. However, to achieve the cleaning requirements, the scraper needs to apply a large force to the belt. Long-term operation can easily damage the belt. If the applied force is insufficient, a small amount of coal sludge will adhere to the surface of the belt, which cannot meet the cleaning requirements. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a conveying device for cleaning sticky coal, and the technical solution adopted is as follows:

[0006] A conveying device for cleaning sticky coal, characterized in that it comprises:

[0007] The frame is equipped with a drive roller and a driven roller in a rotating manner. The drive roller and the driven roller are connected by a belt. The frame is also equipped with idler rollers to support the belt.

[0008] The rotating arm is connected to the frame by a hinged structure;

[0009] A power unit with an output shaft is fixedly connected to the rotating arm;

[0010] The disc brush is fixedly connected to the output shaft of the power component, and the disc brush covers and adheres to the lower end face of the return belt.

[0011] It is also equipped with a locking mechanism for locking the rotating arm;

[0012] A scraper is installed at the bottom of the return belt, and the scraper is located behind the disc brush along the direction of movement of the return belt;

[0013] Channel A and channel B are both located inside the scraper. One end of channel A is located on the outer wall of the scraper, and the other end extends along the length direction into the interior of the scraper. Several channels B are connected to channel A at one end, and the other end of channel B extends to the outer wall of the scraper near the return belt.

[0014] Furthermore, several suspension rollers are used to support the return belt, and these rollers are connected to the frame.

[0015] Furthermore, the frame is fixedly equipped with two brackets, each bracket having a vertical groove. Each groove has a slider that slides along it. The side walls of the sliders are in contact with the side walls of the grooves, and the two sliders are connected by a fixed shaft, which is connected to a scraper.

[0016] Furthermore, a push rod is provided at the lower part of the slider, and a limit plate is provided through the push rod through the bracket. A spring is sleeved on the outside of the push rod between the limit plate and the bracket.

[0017] Furthermore, a mounting plate is fixedly provided along the axial direction of the fixed shaft;

[0018] The scraper has a slot for placing the mounting plate, and the scraper and the mounting plate are connected by threaded fasteners.

[0019] Furthermore, the rotating arm includes a fixedly connected support arm and a support plate, with the support plate connected to the power component in a fixed structure.

[0020] The locking mechanism includes a hinge seat that is fixedly connected to the frame. The hinge seat is hinged to the support arm via a pin. The hinge seat on both sides of the pin has pin holes A and B. The support arm has a pin hole C. A pin is provided in the pin hole C and the pin hole A or pin hole B in a plug-in structure.

[0021] Furthermore, the power component is an explosion-proof motor.

[0022] The beneficial effects of this invention are as follows: First, a disc brush is used to sweep away the coal sludge with relatively weak adhesion, reducing the accumulation of coal sludge at the rear scraper. Large, stubborn pieces of coal sludge are then scraped away by the scraper. Finally, gas is sprayed through channels A and B to further remove the adhering coal dust. This multi-layered cleaning structure improves the cleaning effect.

[0023] The spring-driven push rod applies an upward force to the slider, which in turn drives the fixed shaft to press the scraper onto the return belt, forming a floating connection. The scraper always contacts the return belt, ensuring the scraping effect.

[0024] By setting up a rotating arm, maintenance can be performed simply by releasing the locking mechanism and rotating the arm to one side to replace the disc brush, achieving replacement without stopping the machine and without affecting the conveying operation. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the scraper structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the rotating arm structure of this utility model;

[0028] In the picture:

[0029] 1. Frame, 2. Drive roller, 3. Driven roller, 4. Idler roller, 5. Scraper, 6. Channel A, 7. Channel B, 8. Rotating arm, 81. Support arm, 82. Support plate, 9. Power component, 10. Disc brush, 11. Hanging roller, 12. Hanger, 13. Slide groove, 14. Slider, 15. Fixed shaft, 16. Top rod, 17. Limiting plate, 18. Mounting plate, 19. Hinge seat, 20. Pin hole A, 21. Pin hole B, 22. Pin hole C, 23. Pin. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will now be described in further detail with reference to the accompanying drawings and the following embodiments, so that the public can better understand the implementation method of this utility model. The specific implementation scheme of this utility model is as follows:

[0031] A conveying device for cleaning sticky coal includes a frame 1. The frame 1 has a rotating drive roller 2 and a driven roller 3 connected by a belt. The frame 1 also has idler rollers 4 supporting the belt. A rotating arm 8 is hinged to the frame 1. A power component 9 with an output shaft is fixedly connected to the rotating arm 8. The power component 9 is an explosion-proof motor, suitable for use in underground roadways. A disc brush 10 is fixedly connected to the output shaft of the explosion-proof motor and covers and adheres to the lower end face of the return belt. The disc brush removes loosely adhered coal slime, reducing its adhesion. The coal sludge buildup at the rear scraper is addressed by scraper 5 located below the return conveyor belt. Scraper 5 is positioned behind the disc brush 10 along the direction of the return conveyor belt. Scraper 5 has channels A6 and B7. One end of channel A6 is located on the outer wall of scraper 5, and the other end extends along its length into the interior of scraper 5. Channel A6 is connected to an air pump via a pipe, with a connecting nozzle at the end of the pipe threaded to the side wall of channel A6. Several channels B7 are connected at one end to channel A6, and the other end extends to the outer wall of scraper 5 near the return conveyor belt. First, the disc brush 10 removes the less firmly adhered coal sludge, reducing coal sludge buildup at the rear scraper 5. Then, scraper 5 removes large, stubborn pieces of coal sludge. Finally, air is sprayed through channels A6 and B7 to further remove adhering coal dust. This multi-layered cleaning process improves the cleaning effect.

[0032] It should be noted that a rectangular baffle is installed on one side of the frame of the disc brush 10 to prevent coal sludge and other materials scattered by the disc brush 10 from polluting the surrounding environment.

[0033] It should be noted that the angle between the scraper 5 and the return belt on the front side is an obtuse angle, preferably 135 degrees, which facilitates the coal slurry to fall directly to the ground along the scraper. The upper part of the scraper 5 is set with an arc-shaped structure. Firstly, the arc-shaped structure increases the contact area with the belt and reduces damage to the belt. Secondly, the outlet of channel B7 is located at the top of the arc-shaped structure, which reserves a certain space for the gas to be ejected, ensuring the gas can be ejected.

[0034] Specifically, the frame 1 is fixedly provided with two brackets 12. The brackets 12 are provided with vertical grooves 13. The two inner grooves 13 are respectively provided with sliders 14 in a sliding manner. The two side walls of the sliders 14 have a planar structure to facilitate contact with the side walls of the grooves 13 and prevent the scraper 5 from rotating. The two sliders 14 are fixedly connected by a fixed shaft 15, which is connected to the scraper 5.

[0035] It should be noted that a push rod 16 is provided at the lower part of the slider 14. The push rod 16 passes through the bracket 12 and is provided with a limit plate 17. A spring is sleeved on the outside of the push rod 16 between the limit plate 17 and the bracket 12. The spring drives the push rod 16 to apply an upward force to the slider 14, thereby driving the fixed shaft 15 to drive the scraper 5 to press on the return belt to form a floating connection. The scraper 5 always abuts against the return belt to ensure the scraping effect.

[0036] To facilitate the replacement of the scraper, a mounting plate 18 is fixedly installed on the fixed shaft 15 along the axial direction. The scraper 5 has a slot for placing the mounting plate 18, and the scraper 5 and the mounting plate 18 are connected by threaded fasteners.

[0037] To prevent the return belt from sagging excessively, the frame 1 is provided with a suspension roller 11 for supporting the return belt. The suspension roller 11 is fixedly connected to the frame 1 and is located on the side of the scraper 5 away from the disc brush 10.

[0038] Specifically, the rotating arm 8 includes a fixedly connected support arm 81 and a support plate 82. The support plate 82 is connected to the power component 9 in a fixed structure. A locking mechanism for locking the rotating arm 8 is also provided. The locking mechanism includes a hinge seat 19 fixedly connected to the frame 1. The hinge seat 19 is hinged to the support arm 81 through a pin. The hinge seat 19 on both sides of the pin has pin holes A20 and B21. The support arm 81 has a pin hole C22. The pin hole C22 and the pin hole A20 or the pin hole B21 are provided with a plug-in pin 23. By setting up the rotating arm, during maintenance, only the locking mechanism needs to be released, and the arm can be rotated to one side to replace the disc brush, so as to achieve replacement without stopping the machine and without affecting the conveying operation.

[0039] The working principle and process of this utility model are as follows:

[0040] During operation, the geared motor fixed on the frame 1 is started. The geared motor drives the drive roller 2 to rotate through the output shaft, which in turn drives the belt to carry out the conveying work.

[0041] When the explosion-proof motor 5 is started, the return belt with coal sludge first passes through the disc brush 10. The rotating disc brush 10 sweeps away the coal sludge with lighter adhesion. Then, after passing through the scraper 5, large pieces of stubborn coal sludge are scraped off. Finally, gas is sprayed out through channels A6 and B7 to further remove the adhering coal dust.

[0042] When the return belt floats, the spring pulls the top rod 16 to apply an upward force to the slider 14, which in turn applies an upward thrust to the scraper 5 through the fixed shaft 15, ensuring that the scraper 5 is in contact with the belt.

[0043] To replace the disc brush 10, pull out the pin 23 from the pin hole B21 and pin hole C22, rotate the rotating arm 8 to the outside, and then insert the pin 23 into the pin hole A20 and pin hole C22 before replacing the disc brush 10.

[0044] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "front," "rear," "lower left," "upper right," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Although this utility model has been described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of this utility model described herein.

Claims

1. A conveying device for cleaning sticky coal, characterized in that, include: The frame (1) is equipped with a drive roller (2) and a driven roller (3) in a rotating manner. The drive roller (2) and the driven roller (3) are connected by a belt. The frame (1) is equipped with a support roller (4) to support the belt. Rotating arm (8) is connected to frame (1) by a hinge structure; A power component (9) with an output shaft is fixedly connected to a rotating arm (8); The disc brush (10) is fixedly connected to the output shaft of the power component (9), and the disc brush (10) covers and adheres to the lower end face of the return belt. It is also equipped with a locking mechanism for locking the rotating arm (8); A scraper (5) is set at the lower part of the return belt. The scraper (5) is located behind the disc brush (10) along the direction of movement of the return belt. Channel A (6) and channel B (7) are both located inside the scraper (5). One end of channel A (6) is located on the outer wall of the scraper (5), and the other end extends along the length direction into the interior of the scraper (5). One end of several channels B (7) is connected to channel A (6), and the other end of channel B (7) extends to the outer wall of the scraper (5) near the return belt.

2. The conveying equipment for cleaning sticky coal according to claim 1, characterized in that: Several suspension rollers (11) are used to support the return belt, and the suspension rollers (11) are connected to the frame (1).

3. The conveying equipment for cleaning sticky coal according to claim 1, characterized in that: The frame (1) is fixedly provided with two brackets (12). The brackets (12) are provided with vertical grooves (13). The two grooves (13) are respectively provided with sliders (14) in a sliding manner. The two side walls of the sliders (14) are in contact with the side walls of the grooves (13). The two sliders (14) are connected by a fixed shaft (15). The fixed shaft (15) is connected to the scraper (5).

4. The conveying equipment for cleaning sticky coal according to claim 3, characterized in that: A top rod (16) is provided at the lower part of the slider (14). The top rod (16) passes through the bracket (12) and is provided with a limit plate (17). A spring is sleeved on the outside of the top rod (16) between the limit plate (17) and the bracket (12).

5. The conveying equipment for cleaning sticky coal according to claim 3, characterized in that: A mounting plate (18) is fixedly installed on the fixed shaft (15) along the axial direction; The scraper (5) has a slot for placing the mounting plate (18), and the scraper (5) and the mounting plate (18) are connected by threaded fasteners.

6. The conveying equipment for cleaning sticky coal according to claim 1, characterized in that: The rotating arm (8) includes a fixedly connected support arm (81) and a support plate (82), and the support plate (82) is connected to the power component (9) in a fixed structure. The locking mechanism includes a hinge seat (19) fixedly connected to the frame (1). The hinge seat (19) is hinged to the support arm (81) via a pin. The hinge seat (19) on both sides of the pin is provided with pin holes A (20) and B (21). The support arm (81) is provided with pin holes C (22). Pin holes C (22) and pin holes A (20) or B (21) are provided with a plug-in structure with a pin (23).

7. The conveying equipment for cleaning sticky coal according to claim 1, characterized in that: The power component (9) is an explosion-proof motor.

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