A mine ventilation duct cleaning device

By designing a self-propelled mine ventilation duct cleaning device, combined with sweeping and filtering storage devices, the problems of cutting and installation of existing equipment and frequent cleaning of positioning rings have been solved, realizing automated cleaning and efficient dust storage, and reducing the labor intensity of workers.

CN224359085UActive Publication Date: 2026-06-16LAIZHOU PINLEI BLASTING ENGINEERING SERVICE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LAIZHOU PINLEI BLASTING ENGINEERING SERVICE CO LTD
Filing Date
2025-04-18
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing mine ventilation duct cleaning equipment requires cutting and installing pipes, has poor machine usability, high labor intensity for workers, and the positioning rings need to be cleaned frequently.

Method used

Design a mine ventilation duct cleaning device that includes a sweeping device, a filter storage device, and a mobile frame. The machine can move autonomously in the duct and automatically filter and compress dust through the filter storage device, reducing the number of cleaning operations.

🎯Benefits of technology

It has improved machine usability, increased dust storage capacity, reduced labor intensity for workers, and achieved significant automated cleaning results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224359085U_ABST
    Figure CN224359085U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical fields of ventilation pipeline cleaning device, especially to a mine ventilation pipeline cleaning device, its through setting up mobile frame, makes machine to walk in ventilation pipeline and carries out automatic cleaning, improves machine ease of use, and through setting up filter storage device, automatic filtration and compaction storage dust, improve the storage capacity to dust, reduce cleaning frequency, reduce worker intensity of labour, including fuselage, still include cleaning device, filter storage device, exhaust device and mobile frame, and cleaning device, filter storage device and exhaust device all install on the machine body, and mobile frame installs on the machine body and cleaning device, the machine body provides support, and the cleaning device sweeps dust on the ventilation pipeline wall, and the filter storage device filters dust and carries out extrusion storage to dust, and the exhaust device provides the vacuum suction force required for filtration to the filter storage device, and the mobile frame drives the machine to move along the ventilation pipeline.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of ventilation duct cleaning devices, and in particular to a mine ventilation duct cleaning device. Background Technology

[0002] Ventilation ducts are pipes made of metal or other materials used for ventilation in industrial and civil buildings. After long-term use, ventilation ducts are prone to accumulating dust inside, which reduces ventilation efficiency and air quality. Therefore, ventilation ducts need to be cleaned.

[0003] For example, in a class of prior art represented by the utility model patent CN219169140U, which discloses a ventilation duct cleaning structure, the main structure includes a positioning ring, a drive rail, a suction head, and a multi-segment telescopic rod. The positioning ring positions the machine at the installation location and stores dust. The drive rail drives the suction head to rotate along the inner wall of the duct, and the suction head sucks up the dust. The multi-segment telescopic rod expands the range of motion of the suction head.

[0004] However, the existing technology and equipment still have the following problems when in use: pipes need to be cut to install the machine, the machine is not easy to use, and the positioning ring needs to be cleaned frequently during dust removal, resulting in high labor intensity for workers. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a mine ventilation duct cleaning device that improves machine usability by setting a mobile frame to allow the machine to move in the ventilation duct for automatic cleaning, and by setting a filter and storage device to automatically filter and compress and store dust, thereby increasing the amount of dust stored, reducing the number of cleanings, and reducing the labor intensity of workers.

[0006] This utility model discloses a mine ventilation duct cleaning device, including a machine body; it also includes a sweeping device, a filter storage device, an exhaust device, and a moving frame. The sweeping device, filter storage device, and exhaust device are all installed on the machine body, and the moving frame is installed on the machine body and the sweeping device. The machine body provides support, the sweeping device sweeps away dust on the ventilation duct wall, the filter storage device filters the dust and compresses and stores the dust, the exhaust device provides the vacuum suction required for filtration to the filter storage device, and the moving frame drives the machine to move along the ventilation duct.

[0007] Preferably, the body includes a storage box, multiple support pillars and an installation pipe. An air inlet is provided at the front end of the storage box, and an air outlet is provided at the rear end of the storage box. Both the air inlet and the air outlet are connected to the interior of the storage box. The multiple support pillars are installed at the rear end of the storage box, and the installation pipe is installed at the air inlet; providing support and storing dust.

[0008] Preferably, the sweeping device includes a rotating shaft, sweeping blades, a reducer, and a motor. The rotating shaft is rotatably mounted at the front of the mounting pipe, the sweeping blades are fixedly mounted on the rotating shaft, the reducer is fixedly mounted inside the mounting pipe, and the rear end of the reducer is connected to the front end of the rotating shaft. The motor is fixedly mounted at the front end of the reducer, and the motor provides power to the rotating shaft through the reducer. The power provided by the motor is transmitted through the reducer and the rotating shaft, driving the sweeping blades to rotate. The rotating sweeping blades rub against the ventilation duct wall, sweeping away the dust on the ventilation duct wall.

[0009] Preferably, the filtration and storage device includes a ventilation pipe, a second rotating shaft, a baffle, a second reducer, a second motor, a filter tube, a cylinder, and a pressure block. The ventilation pipe is installed at the air inlet of the storage box. The second rotating shaft is fixedly installed inside the storage box at the rear end. The baffle is rotatably installed at the front end of the second rotating shaft and has a through hole. The second reducer and the second motor are both fixedly installed at the bottom end of the filter tube, and the output end of the second motor is connected to the input end of the second reducer. The output end of the second reducer is connected to the front end of the baffle. The filter tube is installed at the air outlet of the storage box. The filter tube has a double-layer structure, with a filter screen on the inner layer. When the baffle rotates to a specific angle, the through hole of the baffle is aligned with the inner layer of the filter tube and is of equal size. The cylinder is fixedly installed at the rear of the inner layer of the filter tube, and the pressure block is installed at the rear end of the cylinder and slides on the filter tube. On the inner layer, ventilation ducts, baffles, and filter tubes guide the airflow, allowing it to flow in from the rear end of the ventilation duct, pass through the interior of the ventilation duct, the through-holes of the baffle, and the inner layer of the filter tube, and then flow out from the outer layer of the filter tube. During this process, the filter screen of the filter tube filters the air, trapping dust inside the filter tube. When there is a lot of dust, motor two is turned on, providing power to drive the baffle to rotate. The rotating baffle closes the inner layer of the filter tube through the non-through-hole area. Then, the cylinder is turned on, providing power to drive the pressure block to move backward, scraping off the dust on the filter screen and pressing the dust into a cake shape. Then, the baffle continues to rotate, allowing the dust cake to be pushed out of the inner layer of the filter tube. After that, the baffle rotates back, pushing the dust cake off and storing it inside the storage box. At the same time, the cylinder drives the pressure block to reset. When the through-holes are aligned with the inner layer of the filter tube again, the filter screen continues to filter the air.

[0010] Preferably, the filter storage device further includes a filter plate, which is installed on the ventilation duct; the filter plate filters larger particles in the air to prevent larger hard particles from entering the inner layer of the filter duct and damaging the machine during the compression process.

[0011] Preferably, the exhaust device includes a guide shroud, a fan, a speed reducer, and a motor. The guide shroud is fixedly installed at the front end of the filter tube and has an opening at the front end. The fan has an exhaust port and is rotatably installed in the guide shroud. The speed reducer is fixedly installed at the front end of the guide shroud, and the motor is fixedly installed at the front end of the speed reducer. The motor provides power to the fan through the speed reducer. The guide shroud guides the airflow, and the motor provides power to drive the fan to rotate, thus performing exhaust.

[0012] Preferably, the mobile frame includes two roller drive housings and two sets of rollers. One roller drive housing is installed at the front end of multiple support columns, and the other roller drive housing is rotatably installed at the rear end of a rotating shaft. Two sets of wheel frames are respectively provided on the two roller drive housings, and the two sets of rollers are rotatably installed on the two sets of wheel frames. The roller drive housings provide power to drive the rollers to rotate, and the rotation of the rollers drives the machine to move along the ventilation duct.

[0013] Compared with the prior art, the advantages of this utility model are: it can move in the ventilation duct to clean itself, and the machine is easy to use; it can also compress and store the filtered dust, with a large dust storage capacity, and the labor intensity of workers is low. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0015] Figure 2 This is an isometric structural diagram of the fuselage;

[0016] Figure 3 This is a schematic diagram of the isometric cross-sectional structure of the cleaning device;

[0017] Figure 4 This is an isometric sectional view of the filtration and storage device.

[0018] Figure 5 This is an isometric sectional view of the filtration and storage device.

[0019] Figure 6 This is a schematic diagram of the isometric cross-sectional structure of the ventilation device;

[0020] Figure 7 This is an isometric structural diagram of the mobile frame.

[0021] The attached diagram is labeled as follows: 01, machine body; 11, storage box; 12, support column; 13, mounting pipe; 02, cleaning device; 21, rotating shaft one; 22, cleaning fan blade; 23, reducer one; 24, motor one; 03, filter storage device; 31, ventilation pipe; 32, rotating shaft two; 33, baffle; 34, reducer two; 35, motor two; 36, filter pipe; 37, cylinder; 38, pressure block; 39, filter plate; 04, exhaust device; 41, air guide; 42, fan; 43, reducer three; 44, motor three; 05, moving frame; 51, roller drive housing; 52, roller. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0023] Example 1

[0024] like Figure 1 As shown, the machine includes a body 01; it also includes a cleaning device 02, a filter storage device 03, an exhaust device 04, and a moving frame 05. The cleaning device 02, the filter storage device 03, and the exhaust device 04 are all mounted on the body 01, and the moving frame 05 is mounted on the body 01 and the cleaning device 02. The body 01 provides support, the cleaning device 02 cleans dust from the walls of the ventilation duct, the filter storage device 03 filters dust and compresses and stores the dust, the exhaust device 04 provides the vacuum suction required for filtration to the filter storage device 03, and the moving frame 05 drives the machine to move along the ventilation duct.

[0025] like Figure 2 As shown, the body 01 includes a storage box 11, multiple support columns 12 and an installation pipe 13. The front end of the storage box 11 is provided with an air inlet and the rear end of the storage box 11 is provided with an exhaust outlet. Both the air inlet and the exhaust outlet are connected to the interior of the storage box 11. The multiple support columns 12 are installed at the rear end of the storage box 11 and the installation pipe 13 is installed at the air inlet.

[0026] like Figure 3 As shown, the sweeping device 02 includes a rotating shaft 21, a sweeping fan blade 22, a reducer 23, and a motor 24. The rotating shaft 21 is rotatably mounted on the front of the mounting tube 13. The sweeping fan blade 22 is fixedly mounted on the rotating shaft 21. The reducer 23 is fixedly mounted inside the mounting tube 13, and the rear end of the reducer 23 is connected to the front end of the rotating shaft 21. The motor 24 is fixedly mounted on the front end of the reducer 23, and the motor 24 provides power to the rotating shaft 21 through the reducer 23.

[0027] like Figure 4As shown, the filter storage device 03 includes a ventilation pipe 31, a second rotating shaft 32, a baffle 33, a second reducer 34, a second motor 35, a filter pipe 36, a cylinder 37, and a pressure block 38. The ventilation pipe 31 is installed at the air inlet of the storage box 11. The second rotating shaft 32 is fixedly installed inside the rear end of the storage box 11. The baffle 33 is rotatably installed at the front end of the second rotating shaft 32. The baffle 33 is provided with a through hole. The second reducer 34 and the second motor 35 are both fixedly installed at the bottom end of the filter pipe 36, and the output end of the second motor 35 is connected to the reducer. The input end of the reducer 34 is connected, the output end of the reducer 34 is connected to the front end of the baffle 33, the filter tube 36 is installed at the exhaust port of the storage box 11, the filter tube 36 has a double-layer structure, the inner layer of the filter tube 36 is provided with a filter screen, and when the baffle 33 is rotated to a specific angle, the through hole of the baffle 33 is aligned with the inner layer of the filter tube 36 and the size is equal. The cylinder 37 is fixedly installed at the rear of the inner layer of the filter tube 36, and the pressure block 38 is installed at the rear end of the cylinder 37, and the pressure block 38 is slidably installed on the inner layer of the filter tube 36.

[0028] like Figure 6 As shown, the exhaust device 04 includes a guide shroud 41, a fan 42, a reducer 3 43, and a motor 3 44. The guide shroud 41 is fixedly installed at the front end of the filter tube 36 and has an opening at the front end. The fan 42 has an exhaust port 2 and is rotatably installed in the guide shroud 41. The reducer 3 43 is fixedly installed at the front end of the guide shroud 41 and the motor 3 44 is fixedly installed at the front end of the reducer 3 43. The motor 3 44 provides power to the fan 42 through the reducer 3 43.

[0029] like Figure 7 As shown, the mobile frame 05 includes two roller drive housings 51 and two sets of rollers 52. One roller drive housing 51 is installed at the front end of multiple support columns 12, and the other roller drive housing 51 is rotatably installed at the rear end of the rotating shaft 21. Two sets of wheel frames are respectively provided on the two roller drive housings 51, and the two sets of rollers 52 are rotatably installed on the two sets of wheel frames respectively.

[0030] First, place the machine in the ventilation duct. Then, open the roller drive housing 51, motor 44, and motor 24. The roller drive housing 51 provides power to drive the roller 52 to rotate. The rotation of the roller 52 moves the machine along the ventilation duct. Motor 44 provides power to drive the fan 42 to rotate, and the fan 42 performs ventilation. Motor 24 provides power, which is transmitted through reducer 23 and shaft 21 to drive the cleaning fan blades 22 to rotate. The cleaning fan blades 22 rotate and rub against the ventilation duct wall to remove dust from the ventilation duct wall. During the ventilation process, the ventilation pipe 31, baffle 33, and filter pipe 36 guide the airflow, causing the air to flow in from the rear end of the ventilation pipe 31, pass through the inside of the ventilation pipe 31, the through hole of the baffle 33, and the inner layer of the filter pipe 36, and flow out from the outer layer of the filter pipe 36. During this process, the filter screen of filter tube 36 filters the air and traps dust inside the filter tube 36. When there is a lot of dust, motor 35 is turned on, and motor 35 provides power to drive baffle 33 to rotate. The rotation of baffle 33 closes the inner layer of filter tube 36 through the non-perforated area. Then, cylinder 37 is turned on, and cylinder 37 provides power to drive the pressure block 38 to move backward, scraping off the dust on the filter screen and pressing the dust into a cake shape. Then, baffle 33 continues to rotate, allowing the dust cake to be pushed out of the inner layer of filter tube 36. After that, baffle 33 rotates back, pushing the dust cake off and storing it inside storage box 11. At the same time, cylinder 37 drives pressure block 38 to reset. When the through hole is aligned with the inner layer of filter tube 36 again, the filter screen continues to filter the air. When the machine moves in the ventilation duct, it can continuously and automatically clean the ventilation duct.

[0031] Example 2

[0032] In addition to Example 1, it also includes:

[0033] like Figure 5 As shown, the filter storage device 03 also includes a filter plate 39, which is mounted on the ventilation pipe 31;

[0034] First, place the machine in the ventilation duct. Then, turn on the roller drive housing 51, motor 44, and motor 24. The roller drive housing 51 provides power to drive the roller 52 to rotate. The rotation of the roller 52 moves the machine along the ventilation duct. Motor 44 provides power to drive the fan 42 to rotate, and the fan 42 performs ventilation. Motor 24 provides power, which is transmitted through reducer 23 and shaft 21 to drive the cleaning fan blades 22 to rotate. The cleaning fan blades 22 rotate and rub against the ventilation duct wall to remove dust from the ventilation duct wall. During the ventilation process, the ventilation pipe 31, baffle 33, and filter pipe 36 guide the airflow, so that the air flows in from the rear end of the ventilation pipe 31, passes through the inside of the ventilation pipe 31, the through hole of the baffle 33, and the inner layer of the filter pipe 36, and flows out from the outer layer of the filter pipe 36. During this process, the filter plate 39 filters larger particles in the air. To prevent larger, hard particles from entering the inner layer of the filter tube 36 and damaging the machine during the pressing process, the filter screen of the filter tube 36 filters the air and traps dust inside the filter tube 36. When there is a lot of dust, the second motor 35 is turned on, providing power to drive the baffle 33 to rotate. The rotating baffle 33 closes the inner layer of the filter tube 36 through the non-perforated area. Then, the cylinder 37 is turned on, providing power to drive the pressing block 38 to move backward, scraping off the dust on the filter screen and pressing the dust into a cake shape. Then, the baffle 33 continues to rotate, allowing the dust cake to be pushed out of the inner layer of the filter tube 36. After that, the baffle 33 rotates back, pushing the dust cake off and storing it inside the storage box 11. At the same time, the cylinder 37 drives the pressing block 38 to reset. When the through hole is aligned with the inner layer of the filter tube 36 again, the filter screen continues to filter the air. When the machine moves in the ventilation duct, it can continuously and automatically clean the ventilation duct.

[0035] like Figures 1 to 7As shown, this utility model discloses a mine ventilation duct cleaning device. During operation, the machine is first placed in the ventilation duct. Then, the roller drive housing 51, motor 44, and motor 24 are activated. The roller drive housing 51 provides power to drive the roller 52 to rotate, causing the machine to move along the ventilation duct. Motor 44 provides power to drive the fan 42 to rotate, which performs ventilation. Motor 24 provides power, which is transmitted through reducer 23 and shaft 21 to drive the cleaning blades 22 to rotate. The cleaning blades 22 rotate and rub against the ventilation duct wall, removing dust from the duct wall. During ventilation, the ventilation pipe 31, baffle 33, and filter pipe 36 guide the airflow, allowing air to flow in from the rear end of the ventilation pipe 31, pass through the interior of the ventilation pipe 31, the through-hole of the baffle 33, and the inner layer of the filter pipe 36, and flow out from the outer layer of the filter pipe 36. During this process, the filter plate 39... Larger particles in the air are filtered to prevent hard particles from entering the inner layer of the filter tube 36 and damaging the machine during the pressing process. The filter screen of the filter tube 36 filters the air and traps dust inside the filter tube 36. When there is a lot of dust, the second motor 35 is turned on, which provides power to drive the baffle 33 to rotate. The rotating baffle 33 closes the inner layer of the filter tube 36 through the non-perforated area. Then the cylinder 37 is turned on, which provides power to drive the pressure block 38 to move backward, scraping off the dust on the filter screen and pressing the dust into a cake shape. Then the baffle 33 continues to rotate, allowing the dust cake to be pushed out of the inner layer of the filter tube 36. After that, the baffle 33 rotates back to push the dust cake off and store it in the storage box 11. At the same time, the cylinder 37 drives the pressure block 38 to reset. When the through hole is aligned with the inner layer of the filter tube 36 again, the filter screen continues to filter the air. When the machine moves in the ventilation duct, it can continuously and automatically clean the ventilation duct.

[0036] The cleaning fan blade 22, motor 1 24, motor 2 35, cylinder 37, motor 3 44, and two roller drive housings 51 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0037] The main functions achieved by this utility model are: by setting a movable frame 05, the machine can move in the ventilation duct to perform automatic cleaning, thereby improving the ease of use of the machine; and by setting a filter storage device 03, the dust is automatically filtered and compressed to increase the amount of dust stored, reduce the number of cleanings, and reduce the labor intensity of workers; it solves the existing technical problems that require cutting pipes to install the machine, resulting in poor machine ease of use, and that the positioning ring needs to be cleaned frequently during dust removal, resulting in high labor intensity for workers.

[0038] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A mine ventilation duct cleaning device, comprising a body (01); characterized in that, It also includes a cleaning device (02), a filter storage device (03), an exhaust device (04), and a moving frame (05). The cleaning device (02), the filter storage device (03), and the exhaust device (04) are all mounted on the machine body (01), and the moving frame (05) is mounted on the machine body (01) and the cleaning device (02). The machine body (01) provides support, the cleaning device (02) cleans the dust on the ventilation duct wall, the filter storage device (03) filters the dust and squeezes and stores the dust, the exhaust device (04) provides the vacuum suction required for filtration to the filter storage device (03), and the moving frame (05) drives the machine to move along the ventilation duct.

2. The mine ventilation duct cleaning device as described in claim 1, characterized in that, The body (01) includes a storage box (11), multiple support columns (12) and an installation pipe (13). The storage box (11) has an air inlet at the front end and an exhaust port at the rear end. Both the air inlet and the exhaust port are connected to the interior of the storage box (11). The multiple support columns (12) are installed at the rear end of the storage box (11), and the installation pipe (13) is installed at the air inlet.

3. The mine ventilation duct cleaning device as described in claim 2, characterized in that, The sweeping device (02) includes a rotating shaft (21), a sweeping fan blade (22), a reducer (23), and a motor (24). The rotating shaft (21) is rotatably mounted on the front of the mounting tube (13). The sweeping fan blade (22) is fixedly mounted on the rotating shaft (21). The reducer (23) is fixedly mounted inside the mounting tube (13), and the rear end of the reducer (23) is connected to the front end of the rotating shaft (21). The motor (24) is fixedly mounted on the front end of the reducer (23), and the motor (24) provides power to the rotating shaft (21) through the reducer (23).

4. A mine ventilation duct cleaning device as described in claim 2, characterized in that, The filter storage device (03) includes a ventilation pipe (31), a second rotating shaft (32), a baffle (33), a second reducer (34), a second motor (35), a filter pipe (36), a cylinder (37), and a pressure block (38). The ventilation pipe (31) is installed at the air inlet of the storage box (11). The second rotating shaft (32) is fixedly installed inside the rear end of the storage box (11). The baffle (33) is rotatably installed at the front end of the second rotating shaft (32). The baffle (33) is provided with a through hole. The second reducer (34) and the second motor (35) are both fixedly installed at the bottom end of the filter pipe (36). The output end of the second motor (35) and the reducer... The input end of the speed reducer (34) is connected, the output end of the speed reducer (34) is connected to the front end of the baffle (33), the filter tube (36) is installed at the exhaust port of the storage box (11), the filter tube (36) has a double-layer structure, the inner layer of the filter tube (36) is provided with a filter screen, and when the baffle (33) is rotated to a specific angle, the through hole of the baffle (33) is aligned with the inner layer of the filter tube (36) and the size is equal. The cylinder (37) is fixedly installed at the rear of the inner layer of the filter tube (36), the pressure block (38) is installed at the rear end of the cylinder (37), and the pressure block (38) is slidably installed on the inner layer of the filter tube (36).

5. A mine ventilation duct cleaning device as described in claim 4, characterized in that, The filter storage device (03) also includes a filter plate (39), which is mounted on the ventilation pipe (31).

6. A mine ventilation duct cleaning device as described in claim 4, characterized in that, The exhaust device (04) includes a shroud (41), a fan (42), a reducer (3) (43) and a motor (3) (44). The shroud (41) is fixedly installed at the front end of the filter tube (36). The front end of the shroud (41) has an opening. The fan (42) has an exhaust port. The fan (42) is rotatably installed in the shroud (41). The reducer (3) (43) is fixedly installed at the front end of the shroud (41). The motor (3) (44) is fixedly installed at the front end of the reducer (3) (43). The motor (3) (44) provides power to the fan (42) through the reducer (3) (43).

7. A mine ventilation duct cleaning device as described in claim 3, characterized in that, The mobile frame (05) includes two roller drive housings (51) and two sets of rollers (52). One roller drive housing (51) is installed at the front end of multiple support columns (12), and the other roller drive housing (51) is rotatably installed at the rear end of the rotating shaft (21). Two sets of wheel frames are respectively provided on the two roller drive housings (51), and the two sets of rollers (52) are rotatably installed on the two sets of wheel frames respectively.