Coal chute anti-blocking device

Abstract

The utility model provides a kind of coal chute anti-blocking device, including into coal pipe and the two coal chutes of being connected in the bottom of into coal pipe;The opposite surface of two coal chutes is equipped with shell, and the inside of shell is communicated with coal chute, and the inside of shell is equipped with baffle by telescopic mechanism;The opposite surface of two coal chutes is equipped with electric push rod by moving mechanism;Wherein, telescopic mechanism includes the hydraulic cylinder of being installed in the outer surface of shell, and the end of hydraulic cylinder telescopic end is connected with baffle, and the outer surface of baffle is connected with multiple guide columns. Baffle is moved to the direction of shell by telescopic mechanism, to make the coal chute that originally blocks additional space, so that the coal that blocks easily automatically falls, and cooperate moving mechanism to drive electric push rod to knock the different positions of coal chute, so that the coal that adheres on the inner wall of coal chute can be easily shaken, realize the purpose of fast and efficient clearing, prevent long-time blockage affects production.

Description

Technical Field

[0001] This utility model belongs to the field of coal conveying technology, specifically relating to a coal chuting pipe anti-blocking device. Background Technology

[0002] The coal chute is a crucial component in a coal conveying system. One end connects to the coal output equipment, such as the discharge point of a belt conveyor, while the other end connects to the coal receiving equipment, such as a coal storage bin or the inlet of a coal mill. Its core function is to create a specific flow channel for coal, guiding it to move efficiently and stably from one location to another under the influence of gravity or conveying machinery, following a predetermined path and direction. This ensures the smooth connection and continuous operation of the entire coal production, processing, and utilization process.

[0003] However, when the coal being transported has a high moisture content, high viscosity, or contains a large amount of fine dust, these materials easily adhere to the walls of the coal chute. As the adhesive layer accumulates and thickens, the effective flow cross-section gradually decreases, leading to pipe blockage. Currently, a vibratory motor is typically installed on the outer wall of the pipe for unblocking. However, the vibratory motor's position is fixed, and when the blockage inside the pipe is severe, relying solely on vibration is ineffective for unblocking. Utility Model Content

[0004] This utility model addresses the technical problems existing in the prior art by providing a coal chute anti-blocking device.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A coal chute anti-blocking device includes: a coal inlet pipe and two coal chute pipes connected to the bottom of the coal inlet pipe; Both coal chutes have shells installed on opposite sides, and the shells are connected to the inside of the coal chutes. The inside of the shells is equipped with baffles through a telescopic mechanism. Both coal chutes have electric push rods installed on their opposite sides via a moving mechanism; The telescopic mechanism includes a hydraulic cylinder mounted on the outer surface of the housing. The telescopic end of the hydraulic cylinder is connected to a baffle. Multiple guide posts are connected to the outer surface of the baffle, and the ends of the guide posts slide through to the outside of the housing. The telescopic mechanism moves the baffle towards the housing, thereby increasing the space in the previously blocked coal chute, allowing the blocked coal to fall off automatically. In conjunction with the moving mechanism, an electric push rod taps different locations on the coal chute, easily shaking off the coal adhering to the inner wall of the chute. This achieves rapid and efficient unblocking, preventing prolonged blockages from affecting production.

[0006] In a preferred embodiment, multiple linear bearings are mounted on the surface of the housing, with each linear bearing corresponding to a guide post, and the guide posts are slidably disposed within the linear bearings. This converts the contact friction between the guide posts and the housing into rolling friction, reducing frictional resistance and wear, and improving service life.

[0007] In a preferred embodiment, the moving mechanism includes a rectangular frame mounted on the outer surface of the coal chute. A threaded rod is rotatably mounted between the inner walls of the two sides along the length of the rectangular frame. A drive plate is mounted on the outer surface of the threaded rod, and an electric push rod is mounted on the drive plate. A servo motor is mounted on the outer surface of the rectangular frame, and the output shaft of the servo motor is connected to the threaded rod. Starting the servo motor drives the threaded rod to rotate, which in turn moves the drive plate along the length of the threaded rod, thereby enabling the electric push rod to strike different positions on the coal chute.

[0008] In a preferred embodiment, the drive plate has a through hole, and the telescopic end of the electric push rod is coaxially disposed in the through hole. A silicone pad is installed at the end of the telescopic end of the electric push rod. The silicone pad can reduce the hard impact force on the coal chute and reduce the possibility of dents and deformation on the surface of the coal chute.

[0009] In a preferred embodiment, two electric push rods are mounted on the surface of the drive plate, symmetrically distributed around the threaded rod. This increases the coverage area of ​​the tapping, reduces blind spots, and enhances the unblocking effect.

[0010] In a preferred embodiment, grooves are formed on both inner walls of the rectangular frame along its width, and ball bearing sliders are mounted on both sides of the drive plate, with the ball bearing sliders positioned within the grooves. The reaction force generated by the electric push rod's striking action acts on the grooves and ball bearing sliders, preventing the threaded rod from bearing additional lateral forces and ensuring its service life and transmission accuracy.

[0011] In a preferred embodiment, the inner wall of the shell is flush with the inner wall of the coal chute, and the side surface of the baffle is in contact with the inner wall of the shell. This allows the coal dust adhering to the side wall of the coal chute to be scraped off.

[0012] As a preferred embodiment, a dust cover is installed on the outer surface of the housing, which encloses the moving mechanism to prevent dust from adhering to the threaded rod and affecting the transmission. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a frontal cross-sectional view of the present invention. Figure 3 This is a schematic diagram of the telescopic mechanism in this utility model; Figure 4This is a schematic diagram of the coal chute structure in this utility model; Figure 5 This is a cross-sectional structural diagram of the drive board in this utility model.

[0014] The attached diagram lists the components represented by each number as follows: 1. Coal inlet pipe; 2. Coal drop pipe; 201. Shell; 202. Baffle; 203. Electric push rod; 2031. Silicone pad; 3. Telescopic mechanism; 301. Hydraulic cylinder; 302. Guide column; 303. Linear bearing; 4. Moving mechanism; 401. Rectangular frame; 402. Threaded rod; 403. Drive plate; 4031. Through hole; 404. Servo motor; 405. Slide groove; 406. Ball bearing slider; 5. Dust cover. Detailed Implementation

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0016] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0017] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this technology based on the specific circumstances.

[0018] In the description of this application, spatial relation terms such as "below," "under," "below," "below," "above," "over," etc., are used herein to describe the relationship between one element or feature shown in the figures and other elements or features. It should be understood that, in addition to the orientation shown in the figures, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figures is flipped, an element or feature described as "below" or "under" other elements or features would be oriented "over" other elements or features. Therefore, the exemplary terms "below" and "under" can include both upper and lower orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein are interpreted accordingly.

[0019] In the description of this application, the term "for example" is used to mean "used as an example, illustration, or description." Any embodiment described as "for example" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to implement and use the present invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the present invention with unnecessary detail. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0020] Example 1: Figure 1 This is a structural diagram of a coal chute anti-blocking device provided in an embodiment of the present invention. Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 2 This is a frontal cross-sectional view of the present invention. Figure 3 This is a schematic diagram of the telescopic mechanism in this utility model. Figure 1 , Figure 2 and Figure 3 As shown, the device includes a coal inlet pipe 1 and two coal drop pipes 2 connected to the bottom of the coal inlet pipe 1. A housing 201 is installed on the opposite side of the two coal drop pipes 2. The housing 201 communicates with the interior of the coal drop pipe 2. A baffle 202 is installed inside the housing 201 through a telescopic mechanism 3. When the inside of the coal drop pipe 2 is blocked, the baffle 202 can be moved towards the housing 201 through the telescopic mechanism 3, thereby increasing the extra space in the originally blocked coal drop pipe 2, making it easier for the blocked coal to fall off automatically.

[0021] Both coal chutes 2 have electric push rods 203 installed on their opposite sides via a moving mechanism 4. When the electric push rods 203 are activated, their telescopic ends can strike the surface of the coal chutes 2. The vibration generated by the striking causes the coal inside the coal chutes 2 to fall out. In addition, by adjusting the position of the electric push rods 203 in conjunction with the moving mechanism 4, different positions can be struck, thereby easily shaking off the coal adhering to the inner wall of the coal chutes 2, achieving the purpose of fast and efficient unblocking.

[0022] The telescopic mechanism 3 includes a hydraulic cylinder 301 mounted on the outer surface of the housing 201. The telescopic end of the hydraulic cylinder 301 is connected to a baffle 202. A plurality of guide posts 302 are connected to the outer surface of the baffle 202, and the ends of the guide posts 302 slide through to the outside of the housing 201. A plurality of linear bearings 303 are mounted on the surface of the housing 201. Each linear bearing 303 corresponds one-to-one with a plurality of guide posts 302, and the guide posts 302 are slidably disposed within the linear bearings 303.

[0023] When hydraulic cylinder 301 is activated, its telescopic end can drive baffle 202 to move. Baffle 202 is limited by multiple guide posts 302, making its movement smoother and preventing tilting under the impact of coal, thus protecting the guide posts 302 from lateral forces. The linear bearing 303 converts the contact friction between the guide posts 302 and the housing 201 into rolling friction, reducing frictional resistance and wear, and improving service life. Two hydraulic cylinders 301 provide a uniform force to baffle 202. A flow divider / combiner valve is installed in the hydraulic circuit to distribute the pump's output flow to the two cylinders 301 in a fixed ratio, achieving synchronous telescopic movement.

[0024] Figure 4 This is a schematic diagram of the coal chute structure in this utility model. Figure 5 This is a cross-sectional structural diagram of the drive plate in this utility model. Figure 4 and Figure 5As shown, the moving mechanism 4 includes a rectangular frame 401 mounted on the outer surface of the coal chute 2. A threaded rod 402 is rotatably mounted between the inner walls of both sides of the rectangular frame 401 along its length. A drive plate 403 is mounted on the outer surface of the threaded rod 402, and an electric push rod 203 is mounted on the drive plate 403. A servo motor 404 is mounted on the outer surface of the rectangular frame 401, and the output shaft of the servo motor 404 is connected to the threaded rod 402. A through hole 4031 is provided on the drive plate 403, and the telescopic end of the electric push rod 203 is coaxially disposed within the through hole 4031. A silicone pad 2031 is installed at the end of the telescopic end of the electric push rod 203. Two electric push rods 203 are mounted on the surface of the drive plate 403, and the two electric push rods 203 are symmetrically distributed around the threaded rod 402. Slide grooves 405 are provided on both inner walls of the rectangular frame 401 along its width, and ball bearing sliders 406 are mounted on both sides of the drive plate 403, with the ball bearing sliders 406 disposed within the slide grooves 405. A dust cover 5 is installed on the outer surface of the housing 201, and the dust cover 5 encloses the moving mechanism 4.

[0025] When the servo motor 404 is started, it drives the threaded rod 402 to rotate, allowing the drive plate 403 to move along the length of the threaded rod 402 under the action of the threaded connection. This allows the electric push rod 203 to strike different positions on the coal drop pipe 2. When the electric push rod 203 is started, its telescopic end drives the silicone pad 2031 to strike the coal drop pipe 2 quickly. The vibration generated by the striking causes the coal adhering to the inner wall of the coal drop pipe 2 to fall off through energy transfer, achieving the purpose of clearing blockages. Furthermore, the silicone pad 2031 acts as a buffer when striking the coal drop pipe 2, reducing the hard impact force on the coal drop pipe 2 and lowering the possibility of dents or deformation on the surface of the coal drop pipe 2.

[0026] The two electric push rods 203 improve the coverage of the tapping action, reduce blind spots, and enhance the unblocking effect. The chute 405 and ball bearing slider 406 limit the movement of the drive plate 403, allowing it to move smoothly along the length of the threaded rod 402. Furthermore, the reaction force generated by the electric push rods 203 striking the coal chute 2 acts on the chute 405 and ball bearing slider 406, preventing the threaded rod 402 from bearing additional lateral force and ensuring its service life and transmission accuracy.

[0027] Example 2: Based on Embodiment 1, the present invention can be further improved in the following ways, such as... Figure 4 As shown, the inner wall of the shell 201 is flush with the inner wall of the coal chute 2, and the side surface of the baffle 202 is in contact with the inner wall of the shell 201.

[0028] The hydraulic cylinder 301 pushes the baffle 202 towards the electric push rod 203, allowing the side surface of the baffle 202 to scrape the side wall of the coal chute 2, removing the coal dust adhering to the side wall of the coal chute 2. When the baffle 202 is close to the inner wall of the coal chute 2 where the electric push rod 203 is located, the vibration force generated by the electric push rod 203 can be better transmitted to the baffle 202 due to the close distance between them, thus playing a better role in cleaning the coal dust adhering to the surface of the baffle 202. Therefore, it can clean all four inner walls of the coal chute 2, reduce the amount of deposits, increase the size of the coal passage path, and further reduce the possibility of blockage.

[0029] While embodiments or examples of this disclosure have been described with reference to the accompanying drawings, it should be understood that the above embodiments are merely exemplary embodiments or examples, and the scope of this utility model is not limited by these embodiments or examples, but only by the granted claims and their equivalents. Various elements in the embodiments or examples may be omitted or replaced by their equivalents. Furthermore, the steps may be performed in a different order than that described in this disclosure. Further, various elements in the embodiments or examples may be combined in various ways. Importantly, as the technology evolves, many elements described herein can be replaced by equivalents that appear after this disclosure.

Claims

1. A coal chute anti-blocking device, characterized in that, It includes a coal inlet pipe (1) and two coal drop pipes (2) connected to the bottom of the coal inlet pipe (1); a housing (201) is installed on the opposite side of the two coal drop pipes (2), the housing (201) is in communication with the interior of the coal drop pipe (2), and a baffle (202) is installed inside the housing (201) through a telescopic mechanism (3); an electric push rod (203) is installed on the opposite side of the two coal drop pipes (2) through a moving mechanism (4). The telescopic mechanism (3) includes a hydraulic cylinder (301) installed on the outer surface of the housing (201). The end of the telescopic end of the hydraulic cylinder (301) is connected to the baffle (202). A plurality of guide posts (302) are connected to the outer surface of the baffle (202). The ends of the guide posts (302) slide through to the outside of the housing (201).

2. The anti-blocking device for the coal chute according to claim 1, characterized in that: The surface of the housing (201) is equipped with a plurality of linear bearings (303), and the plurality of linear bearings (303) correspond one-to-one with the plurality of guide posts (302), and the guide posts (302) are slidably disposed within the linear bearings (303).

3. The anti-blocking device for the coal chute according to claim 1, characterized in that: The moving mechanism (4) includes a rectangular frame (401) installed on the outer surface of the coal drop pipe (2), a threaded rod (402) is rotatably installed between the inner walls of the two sides of the rectangular frame (401) in the length direction, and a drive plate (403) is installed on the outer surface of the threaded rod (402).

4. The anti-blocking device for the coal chute according to claim 3, characterized in that: The electric push rod (203) is mounted on the drive plate (403), and a servo motor (404) is mounted on the outer surface of the rectangular frame (401). The output shaft of the servo motor (404) is connected to the threaded rod (402).

5. The anti-blocking device for the coal chute according to claim 3, characterized in that: The drive plate (403) has a through hole (4031), and the telescopic end of the electric push rod (203) is coaxially arranged in the through hole (4031). A silicone pad (2031) is installed at the end of the telescopic end of the electric push rod (203).

6. The anti-blocking device for the coal chute according to claim 3, characterized in that, Two electric push rods (203) are mounted on the surface of the drive plate (403), and the two electric push rods (203) are symmetrically distributed about the threaded rod (402).

7. The anti-blocking device for the coal chute according to claim 3, characterized in that, The inner walls of both sides of the rectangular frame (401) in the width direction are provided with grooves (405), and ball sliders (406) are installed on both sides of the drive plate (403). The ball sliders (406) are arranged in the grooves (405).

8. The anti-blocking device for the coal chute according to claim 1, characterized in that: The inner wall of the shell (201) is flush with the inner wall of the coal drop pipe (2), and the side surface of the baffle (202) is in contact with the inner wall of the shell (201).

9. The anti-blocking device for the coal chute according to claim 3, characterized in that: A dust cover (5) is installed on the outer surface of the housing (201), and the dust cover (5) encloses the moving mechanism (4).

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