Centrifugal fan cleaning device

Abstract

The utility model belongs to the technical field of cleaning devices, and particularly discloses a centrifugal fan cleaning device which comprises an air injection gun and an air injection pipe, the input end of the air injection gun is connected with a first air pipe, a high-pressure air tank is arranged outside the first air pipe, and the output end of the high-pressure air tank is connected with the first air pipe. A dismounting assembly is arranged at the top of the air spraying gun, one end of the air spraying pipe is fixedly connected with an adjusting pipe, the adjusting pipe is connected with the dismounting assembly, one end of the adjusting pipe is fixedly connected with a pulse electromagnetic valve, and the input end of the pulse electromagnetic valve is fixedly connected with a second air pipe. By starting the air injection gun, air in the high-pressure air tank can be sprayed out through the air injection gun, and the sprayed high-pressure air impacts on the centrifugal fan, so that the centrifugal fan can be cleaned, a power supply of the centrifugal fan does not need to be disconnected, and all parts of centrifugal fan equipment can be directly blown and cleaned by using the high-pressure air; and direct physical touch on the rotating machine equipment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning devices, in particular to a cleaning device for a centrifugal fan. Background Art

[0002] A centrifugal fan is a common device used to accelerate and discharge air or gas. However, due to long-term operation, dust or other dirt may accumulate on the centrifugal fan, affecting its performance. Therefore, regular cleaning is the key to maintaining the normal operation of the centrifugal fan.

[0003] In the prior art, when cleaning the centrifugal fan, it is necessary to disconnect the power supply of the centrifugal fan. After the bearings of the centrifugal fan stop rotating, contact cleaning is carried out using tools such as a broom or a rag while wearing gloves and safety glasses. This will affect the operation and use of the centrifugal fan. Summary of the Utility Model

[0004] Aiming at the technical problem that in the prior art, when cleaning the centrifugal fan, it is necessary to disconnect the power supply of the centrifugal fan. After the bearings of the centrifugal fan stop rotating, contact cleaning is carried out using tools such as a broom or a rag while wearing gloves and safety glasses, which will affect the operation and use of the centrifugal fan, the utility model provides a cleaning device for a centrifugal fan.

[0005] The technical solution adopted by the utility model is: a cleaning device for a centrifugal fan, including a jet gun and a spray pipe. The input end of the jet gun is connected with a first air pipe. A high-pressure gas tank is arranged outside the first air pipe, and the output end of the high-pressure gas tank is connected with the first air pipe. A disassembly and assembly component is arranged at the top of the jet gun. One end of the spray pipe is fixedly connected with an adjusting pipe, and the adjusting pipe is connected with the disassembly and assembly component. One end of the adjusting pipe is fixedly connected with a pulse solenoid valve. The input end of the pulse solenoid valve is fixedly connected with a second air pipe. An air bag is arranged outside the second air pipe, and the output end of the air bag is fixedly connected with the second air pipe.

[0006] Furthermore, a pressure gauge and a valve are fixedly connected to the outside of the first air pipe.

[0007] Furthermore, the disassembly and assembly component includes a support shell fixedly connected to the top of the jet gun, a socket arranged inside the support shell, and sliding openings arranged on both sides of the socket.

[0008] Furthermore, the disassembly and assembly component further includes a hinge seat, a plug block fixedly connected to the bottom of the hinge seat, and limit blocks fixedly connected to both ends of the plug block. A rotating shaft is rotatably connected in the hinge seat, and the rotating shaft is fixedly connected with the adjusting pipe.

[0009] Furthermore, a stud is fixedly connected to the outside of the limit block. A threaded sleeve is threadedly connected to the outside of the stud. A fixing ring is fixedly connected to one end of the threaded sleeve. A convex ring is fixedly connected to the outside of the fixing ring. A fixing piece is fixedly connected to the outside of the support shell. A convex strip is fixedly connected to the outside of the fixing piece.

[0010] Furthermore, a positioning disk is fixedly connected to the outside of the rotating shaft. A plurality of positioning grooves are provided on the outside of the positioning disk. A fixing frame is fixedly connected to the outside of the hinge seat. A positioning rod penetrates through the fixing frame. A limit plate is fixedly connected to the top of the positioning rod. A spring is sleeved on the outside of the positioning rod. Two ends of the spring are respectively connected to the limit plate and the fixing frame.

[0011] Furthermore, a limit bolt is threadedly connected to the limit plate. A threaded hole is provided on the fixing frame.

[0012] The beneficial effects of the present utility model are as follows: Compared with the prior art, in the present utility model, by turning on the air jet gun, the gas in the high-pressure gas tank can be ejected through the air jet gun. The ejected high-pressure gas impacts on the centrifugal fan, so that the centrifugal fan can be cleaned. Thus, it is not necessary to disconnect the power supply of the centrifugal fan, and the high-pressure air can be directly used to blow and clean each part of the centrifugal fan equipment, avoiding direct physical contact with the rotating equipment and not affecting the normal operation of the centrifugal fan. In the present utility model, in order to increase the cleaning effect, the frequency of the pulse solenoid valve can also be controlled to enable the gas in the air bag to be ejected intermittently at high speed. The gas ejected at high speed impacts on the outside of the centrifugal fan to effectively clean stubborn dust. Description of the Drawings

[0013] Figure 1 is the structural schematic diagram of the present utility model.

[0014] Figure 2 is the three-dimensional structural schematic diagram of the present utility model.

[0015] Figure 3 is Figure 2 the enlarged structural schematic diagram of area A in

[0016] Figure 4 is the structural schematic diagram of the air jet gun in the present utility model.

[0017] Figure 5 is the structural schematic diagram of the fixing piece in the present utility model.

[0018] Figure 6 is the structural schematic diagram of the hinge seat in the present utility model.

[0019] Figure 7 is Figure 6 the enlarged structural schematic diagram of area B in

[0020] Figure 8 It is a schematic cross-sectional structure diagram of the insertion block in the present utility model.

[0021] Figure 9 It is a schematic cross-sectional structure diagram of the threaded sleeve in the present utility model.

[0022] The markings in the figure are: 1. Jet gun; 2. First air pipe; 3. Pressure gauge; 4. Valve; 5. High-pressure gas tank; 6. Support shell; 7. Adjusting pipe; 8. Jet pipe; 9. Pulse solenoid valve; 10. Second air pipe; 11. Air bag; 12. Slide opening; 13. Hinge seat; 14. Rotating shaft; 15. Positioning disk; 16. Positioning groove; 17. Positioning rod; 18. Fixed frame; 19. Insertion block; 20. Limiting block; 21. Insertion opening; 22. Fixed piece; 23. Ridge; 24. Spring; 25. Limiting bolt; 26. Threaded hole; 27. Stud; 28. Threaded sleeve; 29. Fixed ring; 30. Convex ring. Detailed implementation manners

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] The following further describes the present utility model in conjunction with the attached Figures 1-9 diagram.

[0026] To solve the technical problems in the background art, the present application provides: a centrifugal fan cleaning device, including a jet gun 1 and a jet pipe 8. The input end of the jet gun 1 is connected with a first air pipe 2. A high-pressure gas tank 5 is arranged outside the first air pipe 2. The output end of the high-pressure gas tank 5 is connected with the first air pipe 2. A pressure gauge 3 and a valve 4 are fixedly connected to the outside of the first air pipe 2. The pressure gauge 3 is used to display the pressure, and the valve 4 is used to control the on-off. The high-pressure gas tank 5 outputs high-pressure gas through the first air pipe 2 and sprays it out through the jet gun 1, and the jet gun 1 is an existing product.

[0027] In a further design, a disassembly and assembly component is provided at the top of the air jet gun 1. One end of the air jet pipe 8 is fixedly connected to an adjustment pipe 7, and the adjustment pipe 7 is connected to the disassembly and assembly component. One end of the adjustment pipe 7 is fixedly connected to a pulse solenoid valve 9. The input end of the pulse solenoid valve 9 is fixedly connected to a second air pipe 10. An air bag 11 is provided outside the second air pipe 10, and the output end of the air bag 11 is fixedly connected to the second air pipe 10. By controlling the frequency of the pulse solenoid valve 9, the gas in the air bag 11 can be ejected intermittently at high speed, and the gas ejected at high speed can impact the outside of the centrifugal fan to effectively clean stubborn dust.

[0028] In this embodiment, the disassembly and assembly component includes a support shell 6 fixedly connected to the top of the air jet gun 1, a socket 21 provided inside the support shell 6, and sliding ports 12 provided on both sides of the socket 21.

[0029] Among them, the disassembly and assembly component further includes a hinge seat 13, a plug block 19 fixedly connected to the bottom of the hinge seat 13, and limit blocks 20 fixedly connected to both ends of the plug block 19. A rotating shaft 14 is rotatably connected in the hinge seat 13, and the rotating shaft 14 is fixedly connected to the adjustment pipe 7.

[0030] In another design, a stud 27 is fixedly connected to the outside of the limit block 20. A threaded sleeve 28 is threadedly connected to the outside of the stud 27. One end of the threaded sleeve 28 is fixedly connected to a fixing ring 29. A convex ring 30 is fixedly connected to the outside of the fixing ring 29. A fixing piece 22 is fixedly connected to the outside of the support shell 6, and a convex strip 23 is fixedly connected to the outside of the fixing piece 22. The plug block 19 can be inserted into the socket 21 of the support shell 6. At the same time, the limit slider is slidably installed in the sliding port 12. Then, rotate the threaded sleeve 28 to drive the convex ring 30 to be clamped outside the convex strip 23, and the plug block 19 can be installed in the support shell 6.

[0031] In this embodiment, a positioning disk 15 is fixedly connected to the outside of the rotating shaft 14. A plurality of positioning grooves 16 are provided on the outside of the positioning disk 15. A fixing frame 18 is fixedly connected to the outside of the hinge seat 13. A positioning rod 17 penetrates through the fixing frame 18. A limit plate is fixedly connected to the top of the positioning rod 17. A spring 24 is sleeved on the outside of the positioning rod 17. The two ends of the spring 24 are respectively connected to the limit plate and the fixing frame 18. A limit bolt 25 is threadedly connected to the limit plate, and a threaded hole 26 is provided on the fixing frame 18. The angle of the air jet pipe 8 can be adjusted by rotating the adjustment pipe 7. During the adjustment process, the positioning rod 17 is continuously clamped in the positioning groove 16. After the adjustment is completed, rotate the limit bolt 25 to be connected to the threaded hole 26 to make the positioning rod 17 non-slidable.

[0032] For those skilled in the art to fully understand the technical solution, the usage method of this embodiment is as follows:

[0033] Take the air jet gun 1. By turning on the air jet gun 1 and the valve 4, the gas in the high-pressure gas tank 5 can be ejected through the air jet gun 1. The ejected high-pressure gas impacts on the centrifugal fan, so that the centrifugal fan can be cleaned. Thus, there is no need to disconnect the power supply of the centrifugal fan, and the high-pressure air can be directly used to blow and clean all parts of the centrifugal fan equipment, avoiding direct physical contact with the rotating equipment and not affecting the normal operation of the centrifugal fan;

[0034] In addition, in order to enhance the cleaning effect, the frequency of the pulse solenoid valve 9 can also be controlled to enable the gas in the air bag 11 to be ejected intermittently at high speed. The gas ejected at high speed impacts on the outside of the centrifugal fan to achieve effective cleaning of stubborn dust;

[0035] If the intermittent air jet of the air jet pipe 8 is not needed, just rotate the threaded sleeve 28 to make the fixing ring 29 drive the convex ring 30 to no longer be engaged with the convex strip 23, and then pull out the plug block 19; during subsequent installation, it is also based on the same principle. Insert the plug block 19 into the support shell 6, and by rotating the threaded sleeve 28, make the fixing ring 29 drive the convex ring 30 to be engaged with the convex strip 23 for fixation;

[0036] The angle of the air jet pipe 8 can also be adjusted by rotating the adjusting pipe 7. During the adjustment process, the positioning rod 17 is continuously engaged in the positioning groove 16. After the adjustment is completed, rotate the limit bolt 25 to connect with the threaded hole 26 to make the positioning rod 17 non-slidable.

[0037] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present utility model. It should be understood that the above are only specific embodiments of the present utility model and are not used to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A centrifugal fan cleaning device, characterized in that: The invention comprises an air jet gun (1) and an air jet pipe (8), wherein the input end of the air jet gun (1) is connected to a first air pipe (2), a high-pressure gas tank (5) is arranged outside the first air pipe (2), the output end of the high-pressure gas tank (5) is connected to the first air pipe (2), a disassembly assembly is arranged on the top of the air jet gun (1), one end of the air jet pipe (8) is fixedly connected to a regulating pipe (7), the regulating pipe (7) is connected to the disassembly assembly, one end of the regulating pipe (7) is fixedly connected to a pulse electromagnetic valve (9), the input end of the pulse electromagnetic valve (9) is fixedly connected to a second air pipe (10), an air bag (11) is arranged outside the second air pipe (10), and the output end of the air bag (11) is fixedly connected to the second air pipe (10).

2. A centrifugal fan cleaning device as claimed in claim 1, characterized in that: The outside of the first air pipe (2) is fixedly connected with a pressure gauge (3) and a valve (4).

3. A centrifugal fan cleaning device as claimed in claim 2, characterized in that: The disassembly assembly comprises a support shell (6) fixedly connected to the top of the spray gun (1), a socket (21) arranged inside the support shell (6), and sliding openings (12) arranged on both sides of the socket (21).

4. A centrifugal fan cleaning device as claimed in claim 3, characterized in that: The disassembly assembly also includes an articulated seat (13), an insert block (19) fixedly connected to the bottom of the articulated seat (13), and limit blocks (20) fixedly connected to both ends of the insert block (19); a rotating shaft (14) is rotatably connected in the articulated seat (13), and the rotating shaft (14) is fixedly connected to the regulating tube (7).

5. A centrifugal fan cleaning device as claimed in claim 4, characterized in that: The outside of the limit block (20) is fixedly connected to a stud (27), the outside of the stud (27) is threadedly connected to a threaded sleeve (28), one end of the threaded sleeve (28) is fixedly connected to a fixing ring (29), the outside of the fixing ring (29) is fixedly connected to a convex ring (30), the outside of the support shell (6) is fixedly connected to a fixing plate (22), and the outside of the fixing plate (22) is fixedly connected to a convex strip (23).

6. A centrifugal fan cleaning device as claimed in claim 5, characterized in that: The outside of the rotating shaft (14) is fixedly connected to a positioning plate (15), and the outside of the positioning plate (15) is provided with a plurality of positioning grooves (16). The outside of the hinge seat (13) is fixedly connected to a fixing frame (18), and a positioning rod (17) is passed through the fixing frame (18). The top of the positioning rod (17) is fixedly connected to a limiting plate. The outside of the positioning rod (17) is sleeved with a spring (24), and the two ends of the spring (24) are respectively connected to the limiting plate and the fixing frame (18).

7. A centrifugal fan cleaning device as claimed in claim 6, characterized in that: The limiting plate is threadedly connected with a limiting bolt (25), and the fixing frame (18) is provided with a threaded hole (26).

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