Blade cleaning device for single-speed axial flow fan
By designing a telescopic cleaning mechanism and a high-pressure air blowing mechanism on a single-speed axial flow fan, efficient cleaning without disassembling the blades is achieved, solving the problems of complex and inefficient disassembly of existing devices, and improving maintenance efficiency and equipment safety.
Patent Information
- Application Number
- CN202520535081.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing single-speed axial flow fan blade cleaning devices require disassembling the blades for cleaning, which leads to frequent disassembly and installation processes that damage the fan shaft, bearings and surrounding structures, increase labor costs and downtime, and reduce maintenance efficiency.
A cleaning device that does not require disassembling the blades was designed. It adopts a telescopic cleaning mechanism and a high-pressure air blowing mechanism, combined with a rotating brush head and a high-pressure air nozzle. The rotating brush head gently cleans the surface of the blades and the high-pressure airflow blows away the dirt. The device is used in conjunction with a vacuum cleaner for internal cleaning.
This effectively avoids damage during blade disassembly, improves cleaning efficiency, reduces maintenance costs and downtime, and ensures cleaning results.
Smart Images
Figure CN223708093U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to single -speed axial flow fan technical field especially relates to single -speed axial flow fan blade cleaning device for blade cleaning device. BACKGROUND
[0002] In modern industry and civil field, as an important ventilation equipment, the performance and stability of axial flow fan are directly related to the operation efficiency and safety of the whole system, however, in practical application, the blade of axial flow fan often accumulates dirt because of dust, oil stain and other impurities in the working environment, which not only reduces the ventilation efficiency of fan, but also may cause mechanical failure, affects the equipment life, therefore, the design and optimization of blade cleaning device is particularly important, the single -speed axial flow fan blade cleaning device widely used in the current market can meet the basic demand in structure design and function, but still has some deficiencies,
[0003] The existing single -speed axial flow fan blade cleaning device mostly adopts disassembly type design, that is, the blade needs to be dismounted from the fan shaft first, and then cleaned or maintained, in the frequent dismounting and mounting process, the fan shaft, bearing and surrounding structure may be physically damaged, such as scratch, deformation and the like, these small damages may cause more serious failure under long-term accumulation, at the same time, the dismounting and reinstallation of blade need professional personnel to operate, which is time -consuming and labor -intensive, increases the labor cost and downtime, and affects the normal operation of production or life, secondly, the dismounting and reinstallation process itself occupies a lot of time, so that the actual cleaning time is compressed, and the overall maintenance efficiency is reduced. UTILITY MODEL CONTENTS
[0004] The single -speed axial flow fan blade cleaning device provided by the utility model solves the problems of complex and high risk in the dismounting process of the existing single -speed axial flow fan blade cleaning device, low cleaning efficiency and high maintenance cost.
[0005] In order to realize the above object, the utility model adopts the following technical scheme:
[0006] A single -speed axial flow fan blade cleaning device, including flow fan casing, the flow fan casing is internally provided with a baffle, and the baffle is provided with a mounting hole in the middle, the baffle is provided with a first drive motor on the side, and the first drive motor is provided with a fan blade on the output end side, the first drive motor output end penetrates the mounting hole and is connected to the fan blade, and the fan blade top is located outside the flow fan casing and is provided with a placing groove, the placing groove is internally provided with a telescopic cleaning mechanism, and the placing groove side is located at the top of the flow fan casing and is provided with a high-pressure air blowing mechanism, the flow fan casing is internally provided with a plurality of dust suction covers, and the flow fan casing is provided with a protective net on the outside, and the protective net is internally provided with a telescopic protective plate.
[0007] Preferably, the flow fan housing bottom is provided with two groups of L-shaped mounting racks, and the mounting racks are internally provided with multiple fixing holes.
[0008] Preferably, the mounting holes are provided with sealing rings on the two sides of the first drive motor output end, and the first drive motor is provided with a fixing frame matched with the flow fan housing, and the fixing frame side is provided with a heat dissipation net on the outside of the flow fan housing.
[0009] Preferably, the cleaning mechanism comprises a first electric telescopic rod, a mounting box, a sliding way, a sliding block, a second drive motor, a threaded connecting block, a threaded rod, a rotary brush head and an electric push rod, the placing groove top is provided with the first electric telescopic rod, the first electric telescopic rod bottom is provided with the mounting box matched with the placing groove, the mounting box is internally provided with the second drive motor, the mounting box inner wall is provided with the sliding way, and the second drive motor bottom is provided with the sliding block matched with the sliding way in sliding connection.
[0010] Preferably, the sliding way side is internally provided with the electric push rod connected to the second drive motor, the second drive motor output end is provided with the threaded connecting block, the threaded connecting block is internally provided with the matched threaded rod in movable connection, and the threaded rod side is provided with the rotary brush head.
[0011] Preferably, the high-pressure air blowing mechanism comprises a high-pressure gas generator, a high-pressure air jet nozzle, a first gas collecting plate, a second gas collecting plate, a connecting pipe and a protective box, the placing groove side is provided with the high-pressure gas generator, the baffle side is provided with the first gas collecting plate behind the fan blade, the placing groove two sides are provided with the second gas collecting plate, the first gas collecting plate and the second gas collecting plate sides are provided with multiple high-pressure air jet nozzles, the first gas collecting plate and the second gas collecting plate are connected to the high-pressure gas generator through the connecting pipe, and the high-pressure gas generator outside is provided with the protective box.
[0012] Preferably, the dust suction cover bottom is provided with a dust suction port below the flow fan housing, and the flow fan housing internal two sides dust suction cover is connected to the dust suction port through a dust suction pipe.
[0013] Preferably, the protective net is internally provided with a sliding groove matched with the protective plate, and the protective box side is provided with a second electric telescopic rod connected to the protective plate inside the sliding groove.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The single-speed axial flow fan blade cleaning device, the top of the fan blade is provided with a placing groove outside the flow fan shell, the placing groove is internally provided with an extendable cleaning mechanism, a first electric telescopic rod is used to extend and install a box, the box is internally provided with a second driving motor, a threaded connecting block, a threaded rod and a rotary brush head, a rotatable brush head is installed near the edge of the blade inside the flow fan shell, the rotary brush head is made of soft wear-resistant material, can gently contact and brush the surface of the blade to effectively remove the attached matter through the driving of the second driving motor when the fan is running at low speed, the angle and hardness of the brush head are accurately calculated to ensure effective cleaning without damaging the blade, effectively avoiding the risk of damaging the single-speed axial flow fan during the disassembly of the blade from the fan.
[0016] 2. The side of the placing groove is provided with a high-pressure gas blowing mechanism at the top of the flow fan shell, the high-pressure gas blowing mechanism is connected to the first and second gas collecting plates through a high-pressure gas generator and a connecting pipe, and the blade is cleaned through a high-pressure air jet nozzle, the high-pressure gas blowing structure is adopted, compressed air or inert gas is sprayed to the surface of the blade while the rotary brush head is brushing, helping to blow away and take away the dirt brushed off, improving the cleaning efficiency, at the same time, the effect of the airflow can also prevent dust from re-depositing to a certain extent, secondly, a plurality of dust suction hoods are arranged inside the flow fan shell, a high-pressure dust collector is connected to the dust suction port to clean the dust inside the flow fan shell, further improving the cleaning efficiency and reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic view of the utility model.
[0018] Figure 2 It is another perspective exploded structural schematic view of the utility model.
[0019] Figure 3 It is a front side exploded structural schematic view of the utility model.
[0020] Figure 4 It is an exploded structural schematic view of the utility model.
[0021] Figure 5 It is the utility model Figure 4 A magnified view of the middle A.
[0022] Figure 6 It is a cleaning mechanism structural schematic view of the utility model.
[0023] The figure label: 1, flow fan shell; 2, baffle; 3, mounting hole; 4, first drive motor; 5, fan blade; 6, placing groove; 7, protective net; 8, protective plate; 9, dust suction cover; 10, mounting frame; 11, fixing hole; 12, sealing ring; 13, fixing frame; 14, heat dissipation net; 15, first electric telescopic rod; 16, mounting box; 17, slide; 18, sliding block; 19, second drive motor; 20, threaded connecting block; 21, threaded rod; 23, rotary brush head; 24, electric push rod; 25, high-pressure gas generator; 26, high-pressure air jet nozzle; 27, first gas collecting plate; 28, second gas collecting plate; 29, connecting pipe; 30, protective box; 31, dust suction pipe; 32, dust suction port; 33, sliding groove; 34, second electric telescopic rod. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0025] Referring to Figures 1-6 , the utility model provides a kind of technical scheme: a kind of single-speed axial flow fan blade cleaning device, including flow fan shell 1, baffle 2 is provided in flow fan shell 1 inside, and mounting hole 3 is provided in the middle part of baffle 2, first drive motor 4 is provided in the side surface of baffle 2, and fan blade 5 is provided in the side surface of the output end of first drive motor 4, and the output end of first drive motor 4 is connected to fan blade 5 by penetrating mounting hole 3, and placing groove 6 is provided in the top of flow fan shell 1 outside the top of fan blade 5, flexible cleaning mechanism is provided in the inside of placing groove 6, and high-pressure air blowing mechanism is provided in the side surface of placing groove 6 and the top of flow fan shell 1, multiple dust suction covers 9 are provided in the inside of flow fan shell 1, and protective net 7 is provided in the outside of flow fan shell 1, and protective plate 8 is provided in the inside of protective net 7.
[0026] Referring to Figure 2 , Figure 3 , Figure 4 , two groups of L-shaped mounting frames 10 are provided in the bottom of flow fan shell 1, and multiple fixing holes 11 are provided in the inside of mounting frame 10, sealing ring 12 is provided on the outside of the output end of first drive motor 4 on both sides of mounting hole 3, and fixing frame 13 matched with flow fan shell 1 is provided on the outside of first drive motor 4, heat dissipation net 14 is provided on the outside of flow fan shell 1 on the side surface of fixing frame 13, sliding groove 33 matched with protective plate 8 is provided in the inside of protective net 7, and second electric telescopic rod 34 is provided on the side surface of protective box 30, and second electric telescopic rod 34 is connected to protective plate 8 in the inside of sliding groove 33.
[0027] In specific implementation, when the fan blades 5 need to be cleaned, the dust is prevented from entering the first driving motor 4 by the baffle 2 and the sealing ring 12, then the second electric telescopic rod 34 is started to shrink the protective plate 8 upwards, so that the through holes in the protective net 7 are effectively blocked, and the inside of the flow fan shell 1 is in a sealed state. Conversely, the second electric telescopic rod 34 presses the protective plate 8 downwards, then the through holes in the protective net 7 are opened, and then the rotating brush head 23 can be disassembled and replaced by manually rotating the threaded rod 21 clockwise, or the rotating brush head 23 can be installed by manually rotating the threaded rod 21 counterclockwise. Through the above operation, it is ensured that the dust does not splash when the fan blades 5 are cleaned, and the cleaning effect and quality of the fan blades 5 are ensured.
[0028] Referring to Figure 1 , Figure 5 , Figure 6 The cleaning mechanism includes a first electric telescopic rod 15, a mounting box 16, a slide 17, a sliding block 18, a second driving motor 19, a threaded connecting block 20, a threaded rod 21, a rotating brush head 23, and an electric push rod 24. The first electric telescopic rod 15 is arranged at the top of the placement groove 6, the first electric telescopic rod 15 is provided with the mounting box 16 matched with the placement groove 6 at the bottom, the second driving motor 19 is arranged in the mounting box 16, the slide 17 is arranged on the inner wall of the mounting box 16, the sliding block 18 matched with the slide 17 is slidably connected to the bottom of the second driving motor 19, the electric push rod 24 is arranged on the side of the slide 17 in the mounting box 16, the electric push rod 24 is connected to the second driving motor 19, the threaded connecting block 20 is arranged at the output end of the second driving motor 19, the threaded rod 21 matched with the threaded connecting block 20 is movably connected in the threaded connecting block 20, and the rotating brush head 23 is arranged on the side of the threaded rod 21.
[0029] Referring to Figure 2 , Figure 4 The high-pressure air blowing mechanism includes a high-pressure gas generator 25, a high-pressure air jet nozzle 26, a first gas collecting plate 27, a second gas collecting plate 28, a connecting pipe 29, and a protective box 30. The high-pressure gas generator 25 is arranged on the side of the placement groove 6, the first gas collecting plate 27 is arranged on the rear side of the fan blades 5 on the side of the baffle 2, the second gas collecting plate 28 is arranged on both sides of the placement groove 6, a plurality of groups of high-pressure air jet nozzles 26 are arranged on the sides of the first gas collecting plate 27 and the second gas collecting plate 28, the first gas collecting plate 27 and the second gas collecting plate 28 are connected to the high-pressure gas generator 25 through the connecting pipe 29, the protective box 30 is arranged outside the high-pressure gas generator 25, the dust suction port 32 is arranged below the flow fan shell 1 on the bottom of the dust cover 9, and the dust covers 9 on both sides in the flow fan shell 1 are connected to the dust suction port 32 through the dust suction pipe 31.
[0030] In the embodiment, when the fan blade 5 is cleaned, the first electric telescopic rod 15 is started to move the installation box 16 in the placing groove 6 downward, and after the installation box 16 is moved to the appropriate position, the electric push rod 24 is started to move the second driving motor 19 in the slide 17 forward and backward through the sliding block 18, and after the second driving motor 19 is moved to the appropriate position, the second driving motor 19 is started to drive the rotary brush head 23 to rotate, at this time, the fan blade 5 is driven to rotate at low speed by the first driving motor 4, the rotary brush head 23 gently contacts and brushes the surface of the fan blade 5 to effectively remove the attached matters, at the same time, the high-pressure gas generator 25 transports the compressed air or inert gas into the first gas collecting plate 27 and the second gas collecting plate 28 through the connecting pipe 29, and the high-pressure air jet nozzle 26 sprays the airflow to the surface of the fan blade 5 while the rotary brush head 23 brushes, to help blow and carry away the dirt brushed off, improve the cleaning efficiency, at the same time, the dust suction cover 9 is connected with the high-pressure dust collector through the dust suction port 32 at the bottom, to clean the dust in the flow fan shell 1, and through the above operation, the cleaning efficiency and the convenience of equipment maintenance are further improved.
[0031] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A blade cleaning device for a single-speed axial flow fan, comprising a fan housing (1), characterized in that, The fan housing (1) is provided with a baffle (2) inside, and a mounting hole (3) is provided in the middle of the baffle (2). A first drive motor (4) is provided on the side of the baffle (2), and a fan blade (5) is provided on the side of the output end of the first drive motor (4). The output end of the first drive motor (4) is connected to the fan blade (5) through the mounting hole (3). A placement groove (6) is provided on the top of the fan blade (5) outside the fan housing (1). A telescopic cleaning mechanism is provided inside the placement groove (6). A high-pressure air blowing mechanism is provided on the side of the placement groove (6) at the top of the fan housing (1). Multiple dust suction hoods (9) are provided inside the fan housing (1). A protective net (7) is provided on the outside of the fan housing (1). A telescopic protective plate (8) is provided inside the protective net (7).
2. The blade cleaning device for a single-speed axial flow fan according to claim 1, characterized in that, The bottom of the fan housing (1) is provided with two sets of L-shaped mounting brackets (10), and the mounting brackets (10) are provided with multiple sets of fixing holes (11).
3. The blade cleaning device for a single-speed axial flow fan according to claim 1, characterized in that, Sealing rings (12) are provided on both sides of the mounting hole (3) on the outside of the output end of the first drive motor (4), and a fixing bracket (13) matching the fan housing (1) is provided on the outside of the first drive motor (4), and a heat dissipation mesh (14) is provided on the side of the fixing bracket (13) on the outside of the fan housing (1).
4. The blade cleaning device for a single-speed axial flow fan according to claim 1, characterized in that, The cleaning mechanism includes a first electric telescopic rod (15), a mounting box (16), a slide rail (17), a slider (18), a second drive motor (19), a threaded connecting block (20), a threaded rod (21), a rotating brush head (23), and an electric push rod (24). The first electric telescopic rod (15) is provided at the top of the placement slot (6), and the mounting box (16) matching the placement slot (6) is provided at the bottom of the first electric telescopic rod (15). The second drive motor (19) is provided inside the mounting box (16), and the slide rail (17) is provided on the inner wall of the mounting box (16). The slider (18) matching the slide rail (17) is provided at the bottom of the second drive motor (19) and is slidably connected.
5. The blade cleaning device for a single-speed axial flow fan according to claim 4, characterized in that, An electric push rod (24) is provided on the side of the slide (17) inside the mounting box (16), and the electric push rod (24) is connected to the second drive motor (19). The output end of the second drive motor (19) is provided with a threaded connecting block (20), and a matching threaded rod (21) is provided inside the threaded connecting block (20) in a movable connection. A rotating brush head (23) is provided on the side of the threaded rod (21).
6. The blade cleaning device for a single-speed axial flow fan according to claim 1, characterized in that, The high-pressure air blowing mechanism includes a high-pressure gas generator (25), a high-pressure jet nozzle (26), a first gas collecting plate (27), a second gas collecting plate (28), a connecting pipe (29), and a protective box (30). The high-pressure gas generator (25) is provided on the side of the placement slot (6). The first gas collecting plate (27) is provided on the side of the baffle (2) behind the fan blade (5). The second gas collecting plate (28) is provided on both sides of the placement slot (6). Multiple sets of high-pressure jet nozzles (26) are provided on the sides of the first gas collecting plate (27) and the second gas collecting plate (28). The first gas collecting plate (27) and the second gas collecting plate (28) are connected to the high-pressure gas generator (25) through the connecting pipe (29). The protective box (30) is provided on the outside of the high-pressure gas generator (25).
7. The blade cleaning device for a single-speed axial flow fan according to claim 1, characterized in that, The bottom of the dust hood (9) is located below the fan housing (1) and a dust inlet (32) is provided. The dust hoods (9) on both sides inside the fan housing (1) are connected to the dust inlet (32) through a dust suction pipe (31).
8. The blade cleaning device for a single-speed axial flow fan according to claim 6, characterized in that, The protective net (7) has a groove (33) inside that matches the protective plate (8), and the protective box (30) has a second electric telescopic rod (34) on its side, which is connected to the protective plate (8) inside the groove (33).