Rotary wall cleaning and raking device

The scraper of the rotating wall-cleaning and material-discharging device rotates within the material feeding channel, solving the problem of lower part caking during coal powder preparation and achieving rapid cleaning and stable feeding when blockage occurs.

CN224589816UActive Publication Date: 2026-08-04LUOYANG GUANGYING MECHANICAL EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUOYANG GUANGYING MECHANICAL EQUIP CO LTD
Filing Date
2025-09-25
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the existing coal powder preparation process, the lower part of the raw coal bunker is prone to caking and arching, which leads to poor coal feeding and, in severe cases, system shutdown. The existing unblocking mechanism is complex in structure and prone to clogging, making it inconvenient to use.

Method used

Design a rotary wall cleaning and material-dispersing device, including a feeding channel, a scraper, a reducer and a motor. The scraper rotates in the feeding channel to clean the adhering coal powder and disperse the coal blocks, thus clearing the feeding channel.

Benefits of technology

It enables the motor to be started to clear coal dust when a blockage occurs, reducing friction, ensuring the stability and practicality of the feeding channel, and avoiding the complexity and blockage problems caused by continuous operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224589816U_ABST
    Figure CN224589816U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of coal conveying technology, specifically a rotary wall-cleaning and material-pulling device. It includes a feeding channel, with mounting plates fixedly installed on both sides of the channel. A connecting plate is fixedly installed on one side of each mounting plate, and a reducer is fixedly installed on one side of the connecting plate. A motor is fixedly installed on one side of the reducer, with the motor's output end fixedly installed on one side of the reducer's input shaft. A scraper is fixedly installed on one side of the reducer's output shaft. The advantages of this utility model are: the scraper has a simple structure, is close to the inclined inner wall of the feeding channel, and has minimal impact on internal material flow. It does not require continuous operation; only when blockage occurs does the motor start, and with the help of the reducer, the scraper rotates, both moving the internal material to clear the blockage and cleaning the retained coal powder, reducing subsequent friction and facilitating subsequent material flow, thus ensuring the device's practicality.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of coal conveying technology, and in particular to a rotary wall cleaning and material feeding device. Background Technology

[0002] In industries such as thermal power generation, metallurgy, coal chemical industry, and building materials, raw coal needs to be processed into pulverized coal for use as fuel or raw material. During the pulverized coal preparation process, in order to ensure the stability and reliability of the pulverizing system, a certain number of raw coal silos are generally required to serve as storage or buffering facilities.

[0003] During the material falling process, when the material is stored in the silo to a certain amount, due to the silo pressure, the adhesion between raw coal and the balance force of accumulation, the lower part of the raw coal silo is prone to caking and arching, which can cause poor coal feeding and, in severe cases, coal shortage, system shutdown, and prevent the pulverizing system from working properly. Some existing unblocking mechanisms have a relatively complex structure, occupy a lot of material feeding space, and are more prone to blockage if not continuously opened, making them inconvenient to use.

[0004] To address this issue, this utility model proposes a rotary wall-cleaning and material-dispensing device. Utility Model Content

[0005] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0006] Therefore, one objective of this utility model is to provide a rotary wall-cleaning and material-dispensing device to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0007] To achieve the above objectives, one embodiment of the present invention provides a rotary wall-cleaning and material-dispensing device, including a feeding channel, with an installation plate fixedly installed on both sides of the feeding channel, a connecting plate fixedly installed on one side of the installation plate, a reducer fixedly installed on one side of the connecting plate, a motor fixedly installed on one side of the reducer, the output end of the motor fixedly installed on one side of the reducer input shaft, a scraper fixedly installed on one side of the reducer output shaft, and a pressure plate overlapping one side of the scraper.

[0008] Preferably, in any of the above embodiments, a positioning groove is provided on both sides of the feeding channel, a positioning plate is fixedly installed on one side of the mounting plate, the outside of the positioning plate is adapted to the inside of the positioning groove, the outside of the positioning plate is inserted into the inside of the positioning plate, and the mounting plate is fixedly installed on the outer surface of the feeding channel by bolts.

[0009] The technical effect achieved by adopting the above solution is: to facilitate the positioning of the wall-mounted material feeding device.

[0010] Preferably, one side of the output shaft of the reducer is provided with a plurality of first threaded holes, which are evenly distributed in a circle. A positioning shaft is fixedly connected to one side of the output shaft of the reducer, and a slot is provided on one side of the positioning shaft. A second threaded hole is provided inside the slot.

[0011] Preferably, one side of the scraper has a through hole, the inside of which is fitted onto the outside of the positioning shaft, and one side of the scraper has several round holes, each of which corresponds to a number of first threaded holes.

[0012] Preferably, one side of the pressure plate is provided with a plurality of first countersunk holes, each of which corresponds to a plurality of round holes. A first countersunk bolt is inserted into the interior of each of the first countersunk holes, and the exterior of the first countersunk bolt is inserted into the interior of the corresponding round hole and threadedly connected to the interior of the corresponding first threaded hole.

[0013] Preferably, one side of the scraper is provided with a connecting groove, the size of which is adapted to the size of the pressure plate, and the inside of the connecting groove is engaged with the outside of the pressure plate.

[0014] Preferably, one side of the scraper is provided with a protective groove, and a protective ring is fixedly installed on one side of the positioning plate, with the inside of the protective groove fitted onto the outside of the protective ring.

[0015] The technical effect achieved by adopting the above solution is to provide protection.

[0016] A locking block is fixedly connected to one side of the pressure plate. The outside of the locking block is adapted to the inside of the slot, and the outside of the locking block is engaged with the inside of the slot.

[0017] The technical effect achieved by adopting the above solution is to achieve a positioning effect.

[0018] Preferably, one side of the pressure plate is provided with a second countersunk hole, a second countersunk bolt is inserted into the inside of the second countersunk hole, and the external thread of the second countersunk bolt is connected to the inside of the second threaded hole.

[0019] The technical effect achieved by adopting the above solution is: to facilitate the locking of the scraper.

[0020] Preferably, in any of the above embodiments, two reinforcing ribs are fixedly installed at the bottom of the connecting plate, one side of the two reinforcing ribs is fixedly installed on one side of the mounting plate, and a protective shell is sleeved on the outside of the output shaft of the reducer, with the two sides of the protective shell respectively fixedly installed on one side of the reducer and the connecting plate.

[0021] The technical effect achieved by adopting the above solution is to improve the stress-bearing structure and increase the stability of the device.

[0022] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0023] The scraper in this invention has a simple structure and is close to the inclined inner wall of the feeding channel, which has little impact on the internal feeding. It does not need to work continuously. When a blockage occurs, the motor is started, and the scraper is driven to rotate with the help of the reducer. This can both move the internal material to clear the blockage and clean up the stagnant coal powder, reduce subsequent friction, facilitate subsequent feeding, and ensure the practicality of the device.

[0024] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0025] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0026] Figure 1 This is a schematic diagram of the structure according to an embodiment of the present utility model;

[0027] Figure 2 This is a schematic diagram of the mounting plate, connecting plate, reducer, and scraper according to an embodiment of the present utility model;

[0028] Figure 3 This is a schematic diagram of the material feeding channel according to an embodiment of the present utility model;

[0029] Figure 4 This is a structural schematic diagram of the mounting plate and connecting plate according to an embodiment of the present utility model;

[0030] Figure 5 This is a schematic diagram of the reducer according to an embodiment of the present utility model;

[0031] Figure 6 This is a schematic diagram of the scraper according to an embodiment of the present utility model;

[0032] Figure 7 This is a schematic diagram of the structure of the pressure plate according to an embodiment of the present utility model.

[0033] In the diagram: 1-feeding channel, 11-positioning groove, 2-mounting plate, 21-positioning plate, 22-protective ring, 3-connecting plate, 31-reinforcing rib, 4-reducer, 41-first threaded hole, 42-positioning shaft, 43-slot, 5-motor, 6-scraper, 61-through hole, 62-round hole, 63-protective groove, 7-pressure plate, 71-first countersunk hole, 72-block, 73-second countersunk hole, 8-first countersunk hole bolt, 9-second countersunk hole bolt, 10-protective shell. Detailed Implementation

[0034] Example: Figures 1 to 7 As shown, a rotary wall-cleaning and material-dispensing device includes a feeding channel 1. A mounting plate 2 is fixedly installed on both sides of the feeding channel 1. A connecting plate 3 is fixedly installed on one side of the mounting plate 2. A reducer 4 is fixedly installed on one side of the connecting plate 3. The reducer is an existing, mature device capable of speed reduction. A motor 5 is fixedly installed on one side of the reducer 4. The output end of the motor 5 is fixedly installed on one side of the input shaft of the reducer 4. A scraper 6 is fixedly installed on one side of the output shaft of the reducer 4. The scraper 6 is close to the positioning plate 21 and the feeding channel 1 but will not contact them to avoid friction damage. A pressure plate 7 overlaps one side of the scraper 6.

[0035] A positioning groove 11 is provided on both sides of the feeding channel 1. A positioning plate 21 is fixedly installed on one side of the mounting plate 2. The cooperation between the positioning groove 11 and the positioning plate 21 can improve the positioning effect. The outside of the positioning plate 21 is adapted to the inside of the positioning groove 11. The outside of the positioning plate 21 is inserted into the inside of the positioning plate 21. The mounting plate 2 is fixedly installed on the outer surface of the feeding channel 1 by bolts.

[0036] The output shaft of the reducer 4 has several first threaded holes 41 on one side, which are evenly distributed around the circumference. A positioning shaft 42 is fixedly connected to one side of the output shaft of the reducer 4. A slot 43 is provided on one side of the positioning shaft 42, and a second threaded hole is provided inside the slot 43.

[0037] A through hole 61 is provided on one side of the scraper 6. The inside of the through hole 61 is sleeved on the outside of the positioning shaft 42. Several round holes 62 are provided on one side of the scraper 6, and the several round holes 62 correspond one-to-one with several first threaded holes 41.

[0038] A number of first countersunk holes 71 are provided on one side of the pressure plate 7. The number of first countersunk holes 71 correspond one-to-one with a number of round holes 62. A first countersunk bolt 8 is inserted into the interior of each of the number of first countersunk holes 71.

[0039] The outside of the first countersunk bolt 8 is inserted into the inside of the corresponding round hole 62 and threaded into the inside of the corresponding first threaded hole 41.

[0040] A connecting groove is provided on one side of the scraper 6. The size of the connecting groove is adapted to the size of the pressure plate 7. The inside of the connecting groove is engaged with the outside of the pressure plate 7, so that when the pressure plate 7 rotates with the output end of the reducer 4, it can drive the scraper 6 to rotate.

[0041] A protective groove 63 is provided on one side of the scraper 6, and a protective ring 22 is fixedly installed on one side of the positioning plate 21. The inside of the protective groove 63 is fitted onto the outside of the protective ring 22. The protective groove 63, together with the protective ring 22, can further shield the output end of the reducer 4.

[0042] A locking block 72 is fixedly connected to one side of the pressure plate 7. The outside of the locking block 72 is adapted to the inside of the slot 43. The outside of the locking block 72 is engaged with the inside of the slot 43. The slot 43 cooperates with the locking block 72 to facilitate the synchronous rotation of the pressure plate 7 when the output end of the reducer 4 rotates.

[0043] A second countersunk hole 73 is provided on one side of the pressure plate 7. A second countersunk bolt 9 is inserted into the inside of the second countersunk hole 73. The external thread of the second countersunk bolt 9 is connected to the inside of the second threaded hole.

[0044] Two reinforcing ribs 31 are fixedly installed at the bottom of the connecting plate 3. The reinforcing ribs 31 can improve the mechanical structure of the connection between the connecting plate 3 and the mounting plate 2, thereby improving stability. One side of the two reinforcing ribs 31 is fixedly installed on one side of the mounting plate 2. A protective shell 10 is sleeved on the outside of the output shaft of the reducer 4. The two sides of the protective shell 10 are fixedly installed on one side of the reducer 4 and the connecting plate 3, respectively. The protective shell 10 is used to shield the output end of the reducer 4 to prevent it from coming into contact with workers or other ropes or lines during rotation, thus avoiding dangerous accidents.

[0045] A rotary wall-cleaning and material-feeding device, the working principle of which is as follows:

[0046] The rotation of motor 5 is transmitted to scraper 6 through reducer 4. The scraper 6 rotates to scrape the two inclined surfaces of the feeding channel 1, which can remove the coal powder attached to the inclined surface. When scraper 6 rotates, it can also move the coal blocks inside, which can achieve the effect of cleaning the wall and moving the material, thereby clearing the feeding channel 1. Furthermore, if the feeding channel is inclined on all four sides, technicians can add more as needed, which will not be elaborated here.

[0047] Compared with the prior art, the present invention has the following advantages:

[0048] In this invention, the scraper 6 has a simple structure and is close to the inclined inner wall of the feeding channel 1, which has little impact on the internal feeding. It does not need to work continuously. When a blockage occurs, the motor 5 is started, and the scraper 6 is driven to rotate with the help of the reducer 4. This can both move the internal material to clear the blockage and clean up the stagnant coal powder, reduce subsequent friction, facilitate subsequent feeding, and ensure the practicality of the device.

Claims

1. A rotary wall cleaning raking device characterized by: The device includes a feeding channel (1), on both sides of which a mounting plate (2) is fixedly installed. A connecting plate (3) is fixedly installed on one side of the mounting plate (2). A reducer (4) is fixedly installed on one side of the connecting plate (3). A motor (5) is fixedly installed on one side of the reducer (4). The output end of the motor (5) is fixedly installed on one side of the input shaft of the reducer (4). A scraper (6) is fixedly installed on one side of the output shaft of the reducer (4). A pressure plate (7) overlaps one side of the scraper (6).

2. A rotary wall cleaning raking device according to claim 1, characterized in that: A positioning groove (11) is provided on both sides of the feeding channel (1). A positioning plate (21) is fixedly installed on one side of the mounting plate (2). The outside of the positioning plate (21) is adapted to the inside of the positioning groove (11). The outside of the positioning plate (21) is inserted into the inside of the positioning plate (21). The mounting plate (2) is fixedly installed on the outer surface of the feeding channel (1) by bolts.

3. A rotary wall cleaning raking device according to claim 2, wherein: The output shaft of the reducer (4) has a plurality of first threaded holes (41) on one side, and the plurality of first threaded holes (41) are evenly distributed in a circle. A positioning shaft (42) is fixedly connected to one side of the output shaft of the reducer (4), and a slot (43) is provided on one side of the positioning shaft (42). A second threaded hole is provided inside the slot (43).

4. A rotary wall mapler according to claim 3, wherein: The scraper (6) has a through hole (61) on one side, and the inside of the through hole (61) is sleeved on the outside of the positioning shaft (42). The scraper (6) has several round holes (62) on one side, and the several round holes (62) correspond one-to-one with several first threaded holes (41).

5. A rotary wall mapler according to claim 4, wherein: The pressure plate (7) has several first countersunk holes (71) on one side. The several first countersunk holes (71) correspond one-to-one with several round holes (62). A first countersunk bolt (8) is inserted into the interior of each of the several first countersunk holes (71). The exterior of the first countersunk bolt (8) is inserted into the interior of the corresponding round hole (62) and threaded into the interior of the corresponding first threaded hole (41).

6. A rotary wall mapler according to claim 5, wherein: A connecting groove is provided on one side of the scraper (6), the size of which is adapted to the size of the pressure plate (7), and the inside of the connecting groove is engaged with the outside of the pressure plate (7).

7. A rotary wall mapler according to claim 6, wherein: A protective groove (63) is provided on one side of the scraper (6), and a protective ring (22) is fixedly installed on one side of the positioning plate (21). The inside of the protective groove (63) is sleeved on the outside of the protective ring (22).

8. A rotary wall mapler according to claim 7, wherein: A locking block (72) is fixedly connected to one side of the pressure plate (7). The outside of the locking block (72) is adapted to the inside of the slot (43), and the outside of the locking block (72) is engaged with the inside of the slot (43).

9. A rotary wall mapler according to claim 8, wherein: A second countersunk hole (73) is provided on one side of the pressure plate (7), and a second countersunk bolt (9) is inserted into the inside of the second countersunk hole (73). The external thread of the second countersunk bolt (9) is connected to the inside of the second threaded hole.

10. A rotary wall mapler according to claim 9, wherein: Two reinforcing ribs (31) are fixedly installed at the bottom of the connecting plate (3). One side of the two reinforcing ribs (31) is fixedly installed on one side of the mounting plate (2). A protective shell (10) is sleeved on the outside of the output shaft of the reducer (4). The two sides of the protective shell (10) are fixedly installed on one side of the reducer (4) and the connecting plate (3), respectively.