A cleaning device for a coal separator

CN224865931UActive Publication Date: 2026-10-20ANHUI WANBEI COAL REFCO GRP LTD HANSHAN HENGTAI NONMETALLIC MATERIALS BRANCH
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Patent Information

Application Number
CN202522478737.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-22
Publication Date
2026-10-20
Estimated Expiration
2035-11-22

AI Technical Summary

Technical Problem

[0003]而现如今的选煤机用清扫装置大都通过清洁毛刷进清扫,输送带上会沾染较多煤灰,导致毛刷不能够很好的清理,并且需要频繁进行清理毛刷

Benefits of technology

[0017]本实用新型的有益技术效果:按照本实用新型的选煤机用清扫装置,通过设置刮料机构,在清扫前,先经过刮板刮除煤泥,从而便于清扫机构进行清扫,也能够减少清扫机构上沾染的煤泥,进而减少清洗频率,提高工作效率;通过设置第一安装板、转杆、刮板、限位杆、限位板、限位槽、安装帽和弹簧,转动安装帽能够调节弹簧的力度,在刮料时,刮板被煤泥推动会挤压弹簧,防止输送带表面凹凸不平时压坏刮板。

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Abstract

The utility model discloses a kind of cleaning devices for coal sorting machine, belong to the technical field of cleaning equipment for coal sorting machine, including the support of being installed below coal sorting machine, the top of support is successively installed with material scraping mechanism and cleaning mechanism along the moving direction of the conveyor belt of the bottom of coal sorting machine, material scraping mechanism includes two first mounting plates of being fixedly installed in the top of support, and rotatingly installed in between two first mounting plates rotating lever, the top of rotating lever is installed with scraper, the side of two first mounting plates away from each other is fixedly connected with connecting rod, the side of connecting rod close to rotating lever is connected with inclined downward limit rod, the top of rotating lever both ends is installed with limit plate, the middle part of limit plate is equipped with the limit slot of sliding connection with limit rod. The utility model is through being provided with material scraping mechanism, before cleaning, first through scraper to scrape off slime, to facilitate cleaning mechanism to clean, also can reduce the slime of cleaning mechanism on contamination, to reduce cleaning frequency, improve work efficiency.
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Description

Technical Field

[0001] This utility model relates to a cleaning device for a coal preparation machine, belonging to the technical field of cleaning equipment for coal preparation machines. Background Technology

[0002] Coal preparation, also known as coal washing, is the process of separating clean coal from raw coal to meet the quality requirements of users. Coking coal has certain requirements for ash and sulfur content, and must use clean coal that has been washed. The petrographic composition of coal, as well as the quantity, type, properties and distribution of minerals in the coal, are all factors that affect the coal's washability.

[0003] Nowadays, most coal preparation machines use cleaning brushes for cleaning. However, the conveyor belt gets covered with a lot of coal dust, which makes it difficult for the brushes to clean properly and requires frequent cleaning.

[0004] Therefore, this utility model proposes a new solution. Utility Model Content

[0005] The main purpose of this utility model is to provide a cleaning device for a coal preparation machine to overcome the shortcomings of the existing technology.

[0006] The objective of this utility model can be achieved by adopting the following technical solution:

[0007] A cleaning device for a coal preparation machine includes a support frame installed below the coal preparation machine. A scraping mechanism and a cleaning mechanism are sequentially installed on the top of the support frame along the moving direction of the conveyor belt at the bottom of the coal preparation machine. The scraping mechanism includes two first mounting plates fixedly installed on the top of the support frame, and a rotating rod rotatably installed between the two first mounting plates. A scraper is installed on the top of the rotating rod. A connecting rod is fixedly connected to the side of each of the two first mounting plates that is far apart from each other. A downwardly inclined limiting rod is connected to the side of the connecting rod near the rotating rod. Limiting plates are installed on the top of both ends of the rotating rod. A limiting groove is formed in the middle of the limiting plate, which is slidably connected to the limiting rod. An external thread is provided on the outer wall of the limiting rod. A mounting cap is threaded onto the outer wall of the limiting rod. A spring located outside the limiting rod is installed between the mounting cap and the limiting plate.

[0008] Preferably, both ends of the spring are fixedly connected to end plates.

[0009] Preferably, the bottom end of the limiting plate is fixedly connected to an installation sleeve sleeved on the outer wall of the rotating rod, and a first screw hole is provided on the outer wall of the installation sleeve, and a set bolt abutting against the outer wall of the rotating rod is threaded on the inner side of the first screw hole.

[0010] Preferably, a fixing plate is fixedly connected to the top of the rotating rod, and the scraper is mounted on the fixing plate by bolts. Both the fixing plate and the scraper are provided with mounting holes.

[0011] Preferably, the scraper has several slots in the middle.

[0012] Preferably, a rotating sleeve that rotates with the rotating rod is fixedly connected to the middle of the first mounting plate.

[0013] Preferably, the cleaning mechanism includes two second mounting plates fixedly mounted on the top of the bracket, and a cleaning roller rotatably mounted between the two second mounting plates, one end of which is connected to a motor mounted on the second mounting plate.

[0014] Preferably, the first mounting plate and the second mounting plate are integrally formed, both of which are L-shaped plates. The bottom of the first mounting plate and the second mounting plate are provided with a first waist-shaped hole, and the side wall of the first mounting plate and the second mounting plate are provided with a second waist-shaped hole.

[0015] Preferably, L-mounting plates are fixedly connected to both sides of the top of the bracket, a first stud is fixedly connected to the top of the L-mounting plate, a nut is threaded onto the outer wall of the first stud, and a third oblong hole is provided on the side wall of the L-mounting plate.

[0016] Preferably, the bottom of the bracket is threaded with an adjusting foot, the bottom of the bracket is provided with a second screw hole, and the top of the adjusting foot is fixedly connected with a second stud that is threaded to the second screw hole.

[0017] The beneficial technical effects of this utility model are as follows: According to the cleaning device for coal preparation machine of this utility model, by setting a scraping mechanism, the coal sludge is scraped off by the scraper before cleaning, which facilitates the cleaning mechanism and reduces the amount of coal sludge adhering to the cleaning mechanism, thereby reducing the cleaning frequency and improving work efficiency; by setting a first mounting plate, rotating rod, scraper, limiting rod, limiting plate, limiting groove, mounting cap and spring, rotating the mounting cap can adjust the force of the spring. When scraping, the scraper is pushed by the coal sludge and squeezes the spring, preventing the scraper from being damaged by unevenness on the surface of the conveyor belt. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure according to a preferred embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure according to a preferred embodiment of the present invention;

[0020] Figure 3This is an exploded view of the overall structure according to a preferred embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the first mounting plate structure according to a preferred embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of a rotating rod structure according to a preferred embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of a limiting plate structure according to a preferred embodiment of the present invention.

[0024] In the diagram: 1. Bracket; 2. First mounting plate; 3. Rotating rod; 4. Scraper; 5. Connecting rod; 6. Limiting rod; 7. Limiting plate; 8. Limiting groove; 9. Mounting cap; 10. Spring; 11. End plate; 12. Mounting sleeve; 13. First screw hole; 14. Set bolt; 15. Fixing plate; 16. Empty groove; 17. Rotating sleeve; 18. Second mounting plate; 19. Cleaning roller; 20. Motor; 21. First oblong hole; 22. Second oblong hole; 23. L-mounting plate; 24. First stud; 25. Nut; 26. Third oblong hole; 27. Adjusting foot; 28. Second screw hole; 29. ​​Second stud. Detailed Implementation

[0025] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0026] like Figures 1-6As shown, the cleaning device for a coal preparation machine provided in this embodiment includes a support 1 installed below the coal preparation machine. A scraping mechanism and a cleaning mechanism are sequentially installed on the top of the support 1 along the moving direction of the conveyor belt at the bottom of the coal preparation machine. The scraping mechanism includes two first mounting plates 2 fixedly installed on the top of the support 1, and a rotating rod 3 rotatably installed between the two first mounting plates 2. A scraper 4 is installed on the top of the rotating rod 3. A connecting rod 5 is fixedly connected to the side of the two first mounting plates 2 that are far apart from each other. A downwardly inclined limiting rod 6 is connected to the side of the connecting rod 5 near the rotating rod 3. Limiting plates 7 are installed on the top of both ends of the rotating rod 3. A limiting groove 8 that slides with the limiting rod 6 is opened in the middle of the limiting plate 7. An external thread is provided on the outer wall of the limiting rod 6. An installation cap 9 is threadedly connected to the outer wall of the limiting rod 6. A spring 10 located outside the limiting rod 6 is installed between the installation cap 9 and the limiting plate 7. By setting up a scraping mechanism, the coal sludge is scraped off by the scraper 4 before cleaning, which facilitates the cleaning mechanism and reduces the amount of coal sludge adhering to the cleaning mechanism, thereby reducing the cleaning frequency and improving work efficiency. By setting up a first mounting plate 2, a rotating rod 3, a scraper 4, a limiting rod 6, a limiting plate 7, a limiting groove 8, a mounting cap 9, and a spring 10, rotating the mounting cap 9 can adjust the force of the spring 10. When scraping, the scraper 4 is pushed by the coal sludge and squeezes the spring 10 to prevent the scraper 4 from being damaged due to unevenness on the surface of the conveyor belt.

[0027] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, both ends of the spring 10 are fixedly connected to end plates 11. The end plates 11 facilitate adjustment by rotating the mounting cap 9.

[0028] In this embodiment, as Figure 1 , Figure 3 and Figure 6 As shown, a mounting sleeve 12 is fixedly connected to the bottom end of the limiting plate 7 and sleeved on the outer wall of the rotating rod 3. A first screw hole 13 is provided on the outer wall of the mounting sleeve 12, and a set bolt 14 is threadedly connected to the inner side of the first screw hole 13 and abuts against the outer wall of the rotating rod 3. By setting the mounting sleeve 12, the first screw hole 13 and the set bolt 14, the angle of the limiting plate 7 can be adjusted.

[0029] In this embodiment, as Figure 1 , Figure 3 and Figure 5 As shown, a fixing plate 15 is fixedly connected to the top of the rotating rod 3, and the scraper 4 is bolted to the fixing plate 15. Both the fixing plate 15 and the scraper 4 have mounting holes, and several slots 16 are formed in the middle of the scraper 4. The fixing plate 15 and mounting holes facilitate the loading and unloading of the scraper 4; the slots 16 allow the coal slurry to pass through during scraping, thus facilitating breakage and preventing coal slurry from accumulating on the scraper 4.

[0030] In this embodiment, as Figure 1 , Figure 3 and Figure 4 As shown, a rotating sleeve 17 that rotatably engages with the rotating rod 3 is fixedly connected to the middle of the first mounting plate 2. By providing the rotating sleeve 17, the rotating rod 3 can be rotatably mounted in the rotating sleeve 17.

[0031] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the cleaning mechanism includes two second mounting plates 18 fixedly mounted on the top of the bracket 1, and a cleaning roller 19 rotatably mounted between the two second mounting plates 18. One end of the cleaning roller 19 is connected to a motor 20 mounted on the second mounting plate 18. Starting the motor 20 drives the cleaning roller 19 to rotate, thereby cleaning the coal sludge.

[0032] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the first mounting plate 2 and the second mounting plate 18 are integrally formed. Both the first mounting plate 2 and the second mounting plate 18 are L-shaped plates. The bottom of the first mounting plate 2 and the second mounting plate 18 are provided with a first waist-shaped hole 21. The side walls of the first mounting plate 2 and the second mounting plate 18 are provided with a second waist-shaped hole 22. The top of the bracket 1 is fixedly connected to both sides of the L mounting plate 23. The top of the L mounting plate 23 is fixedly connected to a first stud 24. The outer wall of the first stud 24 is threaded with a nut 25. The side wall of the L mounting plate 23 is provided with a third waist-shaped hole 26.

[0033] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the bottom of the bracket 1 is threaded with an adjusting foot 27, and the bottom of the bracket 1 has a second screw hole 28. The top of the adjusting foot 27 is fixedly connected with a second stud 29 that is threaded into the second screw hole 28. By setting the adjusting foot 27, the overall height can be adjusted.

[0034] In this embodiment, as Figures 1-6 As shown in the figure, the working process of the cleaning device for a coal preparation machine provided in this embodiment is as follows:

[0035] Step 1: During installation, rotate the mounting cap 9 to adjust the force of the spring 10 so that the scraper 4 abuts against the conveyor belt at the bottom of the coal preparation machine;

[0036] Step 2: The coal slurry adhering to the conveyor belt is first scraped off by scraper 4;

[0037] Step 3: Continue moving forward and start the motor 20 to drive the cleaning roller 19 to rotate, thereby cleaning the coal sludge.

[0038] Contents not described in detail in this specification are existing technologies known to those skilled in the art. Standard parts used in this invention can all be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are already mature technologies. The machinery, parts, and equipment all use conventional models from the prior art, and the circuit connections also employ conventional connection methods from the prior art, which will not be detailed here.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cleaning device for a coal preparation machine, comprising a support (1) installed below the coal preparation machine, characterized in that, The top of the support (1) is sequentially equipped with a scraping mechanism and a cleaning mechanism along the moving direction of the conveyor belt at the bottom of the coal preparation machine. The scraping mechanism includes two first mounting plates (2) fixedly installed on the top of the support (1) and a rotating rod (3) rotatably installed between the two first mounting plates (2). A scraper (4) is installed on the top of the rotating rod (3). A connecting rod (5) is fixedly connected to the side of the two first mounting plates (2) that are far apart from each other. A downwardly inclined limiting rod (6) is connected to the side of the connecting rod (5) near the rotating rod (3). A limiting plate (7) is installed on the top of both ends of the rotating rod (3). A limiting groove (8) that slides with the limiting rod (6) is opened in the middle of the limiting plate (7). An external thread is provided on the outer wall of the limiting rod (6). An installation cap (9) is threaded on the outer wall of the limiting rod (6). A spring (10) located outside the limiting rod (6) is installed between the installation cap (9) and the limiting plate (7).

2. The cleaning device for a coal preparation machine according to claim 1, characterized in that, Both ends of the spring (10) are fixedly connected to end plates (11).

3. The cleaning device for a coal preparation machine according to claim 1, characterized in that, The bottom end of the limiting plate (7) is fixedly connected to an installation sleeve (12) sleeved on the outer wall of the rotating rod (3). A first screw hole (13) is provided on the outer wall of the installation sleeve (12). A set bolt (14) abutting against the outer wall of the rotating rod (3) is threaded on the inner side of the first screw hole (13).

4. A cleaning device for a coal preparation machine according to claim 1, characterized in that, The top of the rotating rod (3) is fixedly connected to a fixing plate (15), and the scraper (4) is installed on the fixing plate (15) by bolts. Both the fixing plate (15) and the scraper (4) have mounting holes.

5. A cleaning device for a coal preparation machine according to claim 1, characterized in that, The scraper (4) has several slots (16) in the middle.

6. A cleaning device for a coal preparation machine according to claim 1, characterized in that, The first mounting plate (2) is fixedly connected to the middle of a rotating sleeve (17) that rotates with the rotating rod (3).

7. A cleaning device for a coal preparation machine according to claim 1, characterized in that, The cleaning mechanism includes two second mounting plates (18) fixedly mounted on the top of the bracket (1), and a cleaning roller (19) rotatably mounted between the two second mounting plates (18), one end of which is connected to a motor (20) mounted on the second mounting plate (18).

8. A cleaning device for a coal preparation machine according to claim 7, characterized in that, The first mounting plate (2) and the second mounting plate (18) are integrally formed. Both the first mounting plate (2) and the second mounting plate (18) are L-shaped plates. The bottom of the first mounting plate (2) and the second mounting plate (18) are provided with a first waist-shaped hole (21), and the side wall of the first mounting plate (2) and the second mounting plate (18) is provided with a second waist-shaped hole (22).

9. A cleaning device for a coal preparation machine according to claim 8, characterized in that, The bracket (1) has L-mount plates (23) fixedly connected to both sides of its top. The top of the L-mount plate (23) is fixedly connected to a first stud (24). A nut (25) is threaded onto the outer wall of the first stud (24). A third waist-shaped hole (26) is opened on the side wall of the L-mount plate (23).

10. A cleaning device for a coal preparation machine according to claim 1, characterized in that, The bottom of the bracket (1) is threaded with an adjusting foot (27), and the bottom of the bracket (1) is provided with a second screw hole (28). The top of the adjusting foot (27) is fixedly connected with a second stud (29) that is threadedly connected to the second screw hole (28).