A high-performance dust removal device for coal mine conveying

Abstract

This utility model discloses an effective dust removal device for coal mine conveying, relating to the field of coal mine dust removal technology. It includes a welding frame, with multiple sheet metal parts fixedly connected to both sides of the inner wall of the welding frame. Corresponding surfaces of these sheet metal parts are connected to movable shafts via rotating shafts. Correction racks are fixedly connected to the outer walls of these movable shafts, and a conveyor belt is sleeved on the outer walls of these shafts. A correction groove is provided on the inner wall of the conveyor belt. Limiting components are fixedly connected to the bottom surfaces of the sheet metal parts, and a limiting magnetic strip is fixedly connected to one side of the limiting component. When the conveyor belt deviates to one side, the rounded corners at the ends of the correction racks contact the rounded corners of the inner walls of the correction grooves, providing a guiding effect and forcing the conveyor belt to reset upon contact with the rounded corners. Simultaneously, the multi-point engagement of the correction racks and the correction grooves further restricts the lateral displacement of the conveyor belt.

Description

Technical Field

[0001] This utility model relates to the field of coal mine dust removal technology, specifically a dust removal device for coal mine conveying with good effect. Background Technology

[0002] Coal mine transportation is a crucial link in transporting mined coal from the underground working face to the surface storage or processing system. Modern coal mine transportation systems are generally equipped with automated monitoring devices that can monitor the equipment operating status and coal flow in real time. At the same time, remote operation can be achieved through a centralized control system to ensure transportation safety and improve efficiency. The overall process emphasizes smooth connection between each link to ensure continuous and stable operation of coal production.

[0003] According to the search results, Chinese patent document, publication number CN 212686636U, relates to the field of coal mine dust removal, specifically a dust removal device for a coal mine conveyor. The device includes a dust cover installed at one end of the coal mine conveyor opposite to its conveying direction. A hollow dust removal pipe is installed inside the dust cover, with one end closed and the other end connected to an external water pipe. Several water spray nozzles are provided on the dust removal pipe. A baffle for water droplet splashing is also installed inside the dust cover, with the water spray nozzles facing the baffle. The advantages of this application are that the dust cover installed at one end of the coal mine conveyor prevents dust from overflowing from the coal mine and contaminating the workshop. The dust removal pipe and baffle are installed inside the dust cover, and water is sprayed from the water spray nozzles of the dust removal pipe onto the baffle. The baffle splashes the water into fine water droplets, forming a water mist inside the dust cover. Dust is thrown out and enters the water mist, thus achieving dust removal.

[0004] The aforementioned devices, lacking a belt-correcting structure during underground or surface transportation, cause coal to easily slide to the bottom if the belt deviates to one side. This results in coal continuously spilling along the path during roadway transportation, wasting resources and requiring frequent manual cleaning, thus affecting transportation efficiency. Therefore, we provide a dust removal device for coal mine conveying with good performance. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a dust removal device for coal mine conveying with good effect.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dust removal device for coal mine conveying with good effect, comprising a welding frame, wherein multiple sheet metal parts are fixedly connected to both sides of the inner wall of the welding frame, and the corresponding surfaces of the multiple sheet metal parts are rotatably connected to movable shafts via rotating shafts; a correction rack is fixedly connected to the outer wall of the multiple movable shafts, and a conveyor belt is sleeved on the outer wall of the multiple movable shafts; a correction groove is opened on the inner wall of the conveyor belt; a limiting component is fixedly connected to the bottom surface of the multiple sheet metal parts, and a limiting magnetic strip is fixedly connected to one side inside the limiting component; a guide rail is fixedly connected to one side of the outer wall of the limiting component; a coal dust collection box is slidably connected to the outer wall of the guide rail, and a belt scraper is fixedly connected to the top of the inner cavity of the coal dust collection box.

[0007] As mentioned above, the width of the correction groove is equal to the length of the correction rack, and correction rounded corners are provided on both sides of the inner wall of the correction groove.

[0008] As mentioned above, the inner wall of the correction slot is provided with multiple slots, and the inner wall of the slots meshes with the outer wall of the correction rack.

[0009] As mentioned above, the outer walls of the correction rack are provided with multiple end fillets at both ends, and the r-angle of the end fillets is equal to that of the correction fillets.

[0010] As described above, the limiting member has the same surface contour as the guide rail, and the limiting member is a proportionally enlarged structure of the guide rail. A section of the top surface of the guide rail is fixedly connected to the bottom outer wall of one of the sheet metal parts.

[0011] As described above, the limiting magnetic strip is located inside the coal dust collection box on one side, and the outer wall of the limiting magnetic strip is magnetically connected to the inner wall of the coal dust collection box.

[0012] As mentioned above, the top of the coal dust collection box has an open structure, and the opening direction of the top of the coal dust collection box is consistent with the direction of the belt scraper blade. The top surface of the belt scraper is in close contact with the center of the bottom surface of the conveyor belt.

[0013] Compared with existing technologies, this effective dust removal device for coal mine conveying has the following advantages:

[0014] I. This utility model utilizes a nested structure of a correction rack and a correction groove to dynamically constrain the conveyor belt during its rotation. When the conveyor belt deviates to one side, the rounded corner at the end of the correction rack contacts the rounded corner on the inner wall of the correction groove, acting as a guide and forcing the conveyor belt to reset upon contact between the rounded corner and the correction groove. Simultaneously, the multi-point engagement of the correction rack and the correction groove further restricts the lateral displacement of the conveyor belt, ensuring that the coal is always transported within the central area of ​​the conveyor belt. This allows the device to trigger automatic correction when the conveyor belt deviates slightly, effectively preventing the problem of coal slipping to one side due to slight conveyor belt deviation.

[0015] II. This utility model utilizes the close contact between the belt scraper and the conveyor belt to collect residual coal dust from the conveyor belt surface into the coal dust collection box. By continuously cleaning the residue on the conveyor belt surface, combined with the storage effect of the coal dust collection box, the concentration of suspended dust in the roadway can be effectively reduced. By using the coal dust on the conveyor belt surface, the coal dust on the conveyor belt surface is prevented from following its movement and floating in the roadway. Thus, the device can not only effectively suppress the source of dust diffusion, but also take into account the resource recovery of coal.

[0016] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a partial three-dimensional structural diagram of the concealed welding frame of this utility model;

[0019] Figure 3 This is a partial three-dimensional structural diagram of the movable shaft of this utility model;

[0020] Figure 4 This is a partial cross-sectional three-dimensional structural diagram of the conveyor belt of this utility model;

[0021] Figure 5 This is a partial cross-sectional three-dimensional structural diagram of the belt scraper and conveyor belt of this utility model;

[0022] Figure 6 This is a partial three-dimensional structural diagram of the guide rail and limiting magnetic strip of this utility model;

[0023] Figure 7 This is a partial three-dimensional structural diagram of the coal dust collection box of this utility model.

[0024] In the diagram: 1. Welding frame; 2. Sheet metal part; 201. Movable shaft; 202. Alignment rack; 203. Conveyor belt; 204. Alignment groove; 205. Alignment fillet; 206. Slot; 207. End fillet; 3. Limiting component; 301. Limiting magnetic strip; 302. Guide rail; 303. Coal dust collection box; 304. Belt scraper. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1-7 As shown, this utility model provides a technical solution: a dust removal device for coal mine conveying with good effect, including a welding frame 1. Multiple sheet metal parts 2 are fixedly connected to both sides of the inner wall of the welding frame 1, and the corresponding surfaces of the multiple sheet metal parts 2 are rotatably connected to a movable shaft 201 through a rotating shaft. Correction racks 202 are fixedly connected to the outer walls of the multiple movable shafts 201, and a conveyor belt 203 is sleeved on the outer walls of the multiple movable shafts 201. Correction grooves 204 are opened on the inner wall of the conveyor belt 203. Limiting parts 3 are fixedly connected to the bottom surfaces of the multiple sheet metal parts 2, and a limiting magnetic strip 301 is fixedly connected to one side of the inner side of the limiting part 3. A guide rail 302 is fixedly connected to one side of the outer wall of the limiting part 3. A coal dust collection box 303 is slidably connected to the outer wall of the guide rail 302, and a belt scraper 304 is fixedly connected to the top of the inner cavity of the coal dust collection box 303.

[0027] When the conveyor belt 203 deviates to one side, the end fillet 207 of the correction rack 202 contacts the correction fillet 205 on the inner wall of the correction groove 204 and acts as a guide, forcing the conveyor belt 203 to reset under the contact of the end fillet 207 and the correction fillet 205. At the same time, the engagement of the correction rack 202 and the multi-point groove 206 of the correction groove 204 further limits the lateral displacement of the conveyor belt 203, ensuring that the coal is always transported in the central area of ​​the conveyor belt 203.

[0028] like Figure 4 As shown, the width of the correction groove 204 is equal to the length of the correction rack 202, and correction rounded corners 205 are provided on both sides of the inner wall of the correction groove 204.

[0029] The covering structure of the correction groove 204 on the correction rack 202 can form an effective constraint on the conveyor belt 203 during rotation.

[0030] like Figures 4-5 As shown, the inner wall of the correction slot 204 is provided with multiple slots 206, and the inner wall of the slots 206 meshes with the outer wall of the correction rack 202.

[0031] With the alignment rack 202 and the slot 206 engaging, this device can further limit the lateral displacement of the conveyor belt 203.

[0032] like Figures 3-4As shown, the outer walls of the correction rack 202 are provided with multiple end fillets 207 at both ends, and the r-angle of the end fillets 207 is equal to that of the correction fillets 205.

[0033] When the conveyor belt 203 deviates, it can achieve automatic reset when the end fillet 207 contacts the correction fillet 205.

[0034] like Figure 6 As shown, the surface contour of the limiting member 3 is consistent with that of the guide rail 302, and the limiting member 3 is a proportionally enlarged structure of the guide rail 302. A section of the top surface of the guide rail 302 is fixedly connected to the bottom outer wall of one of the sheet metal parts 2.

[0035] This device can use the limiting member 3 to constrain the sliding distance of the coal dust collection box 303 on the outer wall of the guide rail 302.

[0036] like Figures 6-7 As shown, the limiting magnetic strip 301 is located inside the coal dust collection box 303 on one side, and the outer wall of the limiting magnetic strip 301 is magnetically connected to the inner wall of the coal dust collection box 303.

[0037] The magnetic attraction of the limiting magnetic strip 301 to the coal dust collection box 303 can achieve a certain fixing effect on the outer wall of the guide rail 302.

[0038] like Figure 5 and Figure 7 As shown, the top of the coal dust collection box 303 has an open structure, and the opening direction of the top of the coal dust collection box 303 is consistent with the direction of the blade of the belt scraper 304. The top surface of the belt scraper 304 is closely attached to the center of the bottom surface of the conveyor belt 203.

[0039] Through the close contact between the belt scraper 304 and the conveyor belt 203, the residual coal powder on the surface of the conveyor belt 203 can be scraped into the coal dust collection box 303.

[0040] Working principle: The covering structure of the correction groove 204 on the correction rack 202 can effectively constrain the conveyor belt 203 during rotation. With the correction rack 202 and the slot 206 meshing, the device can further limit the lateral displacement of the conveyor belt 203. When the conveyor belt 203 deviates, it can achieve automatic reset when the end fillet 207 contacts the correction fillet 205. The device can use the limiting member 3 to constrain the sliding distance of the coal dust collection box 303 on the outer wall of the guide rail 302. The magnetic attraction of the limiting magnetic strip 301 to the coal dust collection box 303 can fix the coal dust collection box 303 on the outer wall of the guide rail 302. Through the close contact between the belt scraper 304 and the conveyor belt 203, the residual coal powder on the surface of the conveyor belt 203 can be scraped into the coal dust collection box 303.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for coal mine conveying with good performance, comprising a welded frame (1), characterized in that: Multiple sheet metal parts (2) are fixedly connected to both sides of the inner wall of the welding frame (1), and the corresponding surfaces of the multiple sheet metal parts (2) are connected to a movable shaft (201) through a rotating shaft. The outer walls of the multiple movable shafts (201) are fixedly connected to a correction rack (202), and the outer walls of the multiple movable shafts (201) are connected to a conveyor belt (203). The inner wall of the conveyor belt (203) is provided with a correction groove (204). The bottom surface of the multiple sheet metal parts (2) is fixedly connected to a limiting part (3), and a limiting magnetic strip (301) is fixedly connected to one side inside the limiting part (3). A guide rail (302) is fixedly connected to one side of the outer wall of the limiting part (3), and a coal dust collection box (303) is slidably connected to the outer wall of the guide rail (302). A belt scraper (304) is fixedly connected to the top of the inner cavity of the coal dust collection box (303).

2. The effective dust removal device for coal mine conveying as described in claim 1, characterized in that: The width of the correction groove (204) is equal to the length of the correction rack (202), and correction rounded corners (205) are provided on both sides of the inner wall of the correction groove (204).

3. The effective dust removal device for coal mine conveying as described in claim 2, characterized in that: The inner wall of the correction slot (204) is provided with multiple slots (206), and the inner wall of the slots (206) meshes with the outer wall of the correction rack (202).

4. The effective dust removal device for coal mine conveying as described in claim 2, characterized in that: The correction rack (202) has multiple end fillets (207) at both ends of its outer wall, and the r-angle of the end fillets (207) is equal to that of the correction fillets (205).

5. The effective dust removal device for coal mine conveying as described in claim 1, characterized in that: The limiting member (3) has the same surface contour as the guide rail (302), and the limiting member (3) is a proportionally enlarged structure of the guide rail (302). A section of the top surface of the guide rail (302) is fixedly connected to the bottom outer wall of one of the sheet metal parts (2).

6. The effective dust removal device for coal mine conveying according to claim 1, characterized in that: The limiting magnetic strip (301) is located inside the coal dust collection box (303) on one side, and the outer wall of the limiting magnetic strip (301) is magnetically connected to the inner wall of the coal dust collection box (303).

7. The effective dust removal device for coal mine conveying according to claim 6, characterized in that: The top of the coal dust collection box (303) is an open structure, and the opening direction of the top of the coal dust collection box (303) is consistent with the direction of the blade of the belt scraper (304). The top surface of the belt scraper (304) is closely attached to the center of the bottom surface of the conveyor belt (203).

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