Low-noise axial-flow impeller structure

Abstract

The utility model relates to the technical field of impeller noise reduction, and discloses a low-noise axial flow type impeller structure which comprises a fixing frame, a plurality of sets of inserting blocks are arranged on the outer side of the fixing frame, one sides of the inserting blocks are fixedly connected with fan blades, and one sides of the fan blades are provided with noise reduction assemblies. According to the noise-resisting axial-flow type impeller structure, through the arrangement of the noise reduction assembly, when the noise-resisting axial-flow type impeller structure is used, a sound absorption cotton plate can effectively absorb noise generated in the rotating process of fan blades and reduce propagation and reflection of the noise, so that the noise level of a whole axial-flow fan is reduced, and after sound absorption cotton is used for a period of time, the surface of the sound absorption cotton is damaged to a certain degree; at the moment, the sound-absorbing cotton plate is torn off from the device, and the sound-absorbing cotton plate can be detached through the secondary adhesive plate and the primary adhesive plate, so that the sound-absorbing cotton plate can be conveniently replaced subsequently, the noise reduction effect of the device can be prevented from being influenced by the damage of the sound-absorbing cotton plate, and the normal use of the device is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of impeller noise reduction technology, and in particular to a low-noise axial flow impeller structure. Background Technology

[0002] Axial flow impellers, as core components of axial flow fans, pumps, and other equipment, play a crucial role in numerous industrial and civil sectors. In industry, large plants in metallurgy, chemical, and power industries rely on axial flow fans for ventilation to remove harmful gases and dust generated during production, while simultaneously regulating indoor temperature and humidity to ensure a safe and comfortable working environment. Axial flow impellers, through high-speed rotation, propel air axially, achieving efficient ventilation. In chemical production, the impellers in axial flow pumps are responsible for transporting various corrosive liquids and slurries, ensuring the smooth operation of the process.

[0003] In traditional axial flow impellers, the blades interact strongly with the surrounding air during rotation, generating noise that affects the normal operation of the device. Therefore, a low-noise axial flow impeller structure is proposed. Utility Model Content

[0004] The technical problem solved by this utility model is to provide a low-noise axial flow impeller structure that is highly practical, easy to operate, and has a simple structure. This solves the problem mentioned in the background art that in the traditional axial flow impeller, the blades interact strongly with the surrounding air during rotation, generating noise that affects the normal use of the device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-noise axial flow impeller structure, comprising a fixed frame, several sets of plug-in blocks arranged on the outer side of the fixed frame, fan blades fixedly connected to one side of each set of plug-in blocks, a noise reduction component arranged on one side of each set of fan blades, an installation frame fixedly connected to one side of the fixed frame, a lubrication component fixedly connected to the top surface of the installation frame, each set of noise reduction components including two sets of female adhesive plates arranged on one side of the fan blades, a female adhesive plate glued to one side of each set of female adhesive plates, and a sound-absorbing cotton board fixedly connected to one side of each set of female adhesive plates; the lubrication component includes a storage box fixedly connected to the top surface of the installation frame, a flow pipe fixedly connected to the bottom surface of the storage box, a flow sensor fixedly connected to the surface of the flow pipe, one end of the flow sensor electrically connected to a controller via a power line, and a solenoid valve electrically connected to one side of the controller via a power line.

[0006] As a further embodiment of this utility model, a storage groove is provided on one side of each of the several sets of fan blades, and the several sets of sound-absorbing cotton boards are all placed inside the storage groove. The storage groove serves to install the sound-absorbing cotton boards.

[0007] As a further embodiment of this utility model, each of the several sets of storage slots has an installation slot inside, and each of the several sets of female adhesive plates is fixedly connected inside the installation slot. The installation slot serves to fix the female adhesive plate.

[0008] As a further embodiment of this utility model, the fixed frame has several sets of card interfaces inside, and several sets of plug-in blocks are plugged into the inside of the card interfaces. The card interfaces serve to connect the plug-in blocks.

[0009] As a further embodiment of this utility model, the surfaces of several sets of plug-in blocks are provided with threaded openings, and the interiors of several sets of threaded openings are threaded with fixing bolts. The fixing bolts serve to fix the plug-in blocks.

[0010] As a further embodiment of this utility model, a connecting rod is rotatably connected inside the mounting frame. The connecting rod is connected to an external device, and the connecting rod enables the device to be connected to an external device.

[0011] As a further embodiment of this utility model, an inlet pipe is fixedly connected to the surface of the storage tank, and a sealing cap is threadedly connected to the outside of the inlet pipe. The sealing cap helps to prevent lubricating oil leakage.

[0012] This invention provides a low-noise axial flow impeller structure, which has the following advantages:

[0013] 1. This low-noise axial flow impeller structure, through the inclusion of noise reduction components, allows the sound-absorbing cotton panel to effectively absorb the noise generated during the rotation of the fan blades, reducing noise propagation and reflection, thereby lowering the overall noise level of the axial flow fan. After a period of use, the surface of the sound-absorbing cotton will show some damage. At this time, the sound-absorbing cotton panel can be torn apart from the device, and the female and male adhesive panels can be removed to facilitate subsequent replacement of the sound-absorbing cotton panel. This avoids damage to the sound-absorbing cotton panel, which could affect the noise reduction effect of the device, thus ensuring the normal operation of the device.

[0014] 2. This low-noise axial flow impeller structure, through the setting of the lubrication component, allows lubricating oil to be poured into the storage tank during use. A threshold for the outflow is set on the controller. The lubricating oil enters the mounting frame from the inside of the storage tank through the flow pipe for lubrication. The flow sensor detects the amount of lubricating oil entering and transmits the data to the controller. When the set threshold is reached, the controller controls the solenoid valve to close, thereby extending the service life of the fan blades and the entire axial flow impeller structure, and improving the reliability and stability of the equipment. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the plug-in block structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the noise reduction component structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the lubrication component structure of this utility model.

[0019] In the diagram: 1. Fixing frame; 2. Connecting block; 3. Fan blade; 4. Noise reduction assembly; 401. Female adhesive plate; 402. Female adhesive plate; 403. Sound-absorbing cotton board; 5. Mounting frame; 6. Lubrication assembly; 601. Storage tank; 602. Flow pipe; 603. Flow sensor; 604. Controller; 605. Solenoid valve; 7. Threaded port; 8. Fixing bolt; 9. Connecting rod; 10. Liquid inlet pipe; 11. Sealing cap. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figures 1 to 4This utility model provides a technical solution: a low-noise axial flow impeller structure, including a fixed frame 1, with several sets of plug-in blocks 2 arranged on the outer side of the fixed frame 1, fan blades 3 fixedly connected to one side of each set of plug-in blocks 2, and noise reduction components 4 arranged on one side of each set of fan blades 3. The noise reduction components 4 reduce the noise during operation of the device. A mounting frame 5 is fixedly connected to one side of the fixed frame 1, and a lubrication component 6 is fixedly connected to the top surface of the mounting frame 5. The lubrication component 6 reduces friction between the device and external devices, thereby ensuring the normal operation of the device. The several sets of noise reduction components 4... Each includes two sets of female adhesive plates 401 disposed on one side of the fan blade 3, and several sets of female adhesive plates 401 are each attached to one side of a female adhesive plate 402. Several sets of female adhesive plates 402 are each fixedly connected to one side of a sound-absorbing cotton plate 403. The lubrication assembly 6 includes a storage box 601 fixedly connected to the top surface of the mounting frame 5. A flow pipe 602 is fixedly connected to the bottom surface of the storage box 601. A flow sensor 603 is fixedly connected to the surface of the flow pipe 602. One end of the flow sensor 603 is electrically connected to a controller 604 via a power line. One side of the controller 604 is electrically connected to a solenoid valve 605 via a power line.

[0022] A storage slot is provided on one side of several sets of fan blades 3, and several sets of sound-absorbing cotton boards 403 are placed inside the storage slot. The storage slot serves to install the sound-absorbing cotton boards 403.

[0023] Several sets of storage slots are provided with mounting slots inside, and several sets of female adhesive plates 401 are fixedly connected inside the mounting slots. The mounting slots serve to fix the female adhesive plates 401.

[0024] The fixed frame 1 has several sets of card interfaces inside, and several sets of plug-in blocks 2 are plugged into the inside of the card interfaces. The card interfaces serve to connect the plug-in blocks 2.

[0025] Several sets of plug-in blocks 2 have threaded openings 7 on their surfaces, and several sets of threaded openings 7 are threaded with fixing bolts 8 inside. The fixing bolts 8 are used to fix the plug-in blocks 2.

[0026] The mounting frame 5 is internally connected to a connecting rod 9, which is connected to an external device. The connecting rod 9 enables the device to be connected to an external device.

[0027] A liquid inlet pipe 10 is fixedly connected to the surface of the storage tank 601. A sealing cap 11 is threadedly connected to the outside of the liquid inlet pipe 10. The sealing cap 11 is designed to prevent the lubricating oil from leaking.

[0028] The model of controller 604 is PG-R7. The above parameters and model can be selected according to the actual situation.

[0029] In this invention, the working steps of the device are as follows:

[0030] First step: When in use, the sound-absorbing cotton board 403 can effectively absorb the noise generated by the fan blade 3 during rotation, reduce the transmission and reflection of noise, and thus reduce the noise level of the entire axial flow fan. After the sound-absorbing cotton board 403 has been used for a period of time, some damage will appear on the surface. At this time, the sound-absorbing cotton board 403 can be torn off from the device, and the female adhesive board 402 and the female adhesive board 401 can be removed to facilitate the subsequent replacement of the sound-absorbing cotton board 403. This can avoid damage to the sound-absorbing cotton board 403, which would affect the noise reduction effect of the device and ensure the normal use of the device.

[0031] The second step: When in use, pour lubricating oil into the storage tank 601 and set the outflow threshold on the controller 604. The lubricating oil enters the mounting frame 5 from the inside of the storage tank 601 through the flow pipe 602 for lubrication. The flow sensor 603 is used to detect the amount of lubricating oil entering and transmits the data to the controller 604. When the set threshold is reached, the controller 604 controls the solenoid valve 605 to close, thereby extending the service life of the fan blade 3 and the entire axial flow impeller structure and improving the reliability and stability of the equipment.

[0032] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0033] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low-noise axial flow impeller structure, comprising a fixed frame (1), characterized in that: The fixed frame (1) is provided with several sets of plug-in blocks (2) on the outside. Each set of plug-in blocks (2) is fixedly connected with a fan blade (3) on one side. Each set of fan blades (3) is provided with a noise reduction component (4) on one side. The fixed frame (1) is fixedly connected with a mounting frame (5). The mounting frame (5) is fixedly connected with a lubrication component (6) on the top surface of the mounting frame (5). Each of the noise reduction components (4) includes two sets of female adhesive plates (401) disposed on one side of the fan blade (3), and a female adhesive plate (402) is glued to one side of each of the female adhesive plates (401), and a sound-absorbing cotton board (403) is fixedly connected to one side of each of the female adhesive plates (402). The lubrication assembly (6) includes a storage box (601) fixedly connected to the top surface of the mounting frame (5). A flow pipe (602) is fixedly connected to the bottom surface of the storage box (601). A flow sensor (603) is fixedly connected to the surface of the flow pipe (602). One end of the flow sensor (603) is electrically connected to a controller (604) via a power line. One side of the controller (604) is electrically connected to a solenoid valve (605) via a power line.

2. The low-noise axial flow impeller structure according to claim 1, characterized in that: Each of the several sets of fan blades (3) has a storage groove on one side, and each of the several sets of sound-absorbing cotton boards (403) is placed inside the storage groove.

3. The low-noise axial flow impeller structure according to claim 2, characterized in that: Each of the several sets of storage slots has an installation slot inside, and each of the several sets of female adhesive plates (401) is fixedly connected to the inside of the installation slot.

4. The low-noise axial flow impeller structure according to claim 1, characterized in that: The fixed frame (1) has several sets of card interfaces inside, and several sets of plug-in blocks (2) are plugged into the inside of the card interfaces.

5. The low-noise axial flow impeller structure according to claim 1, characterized in that: The surfaces of several sets of plug-in blocks (2) are provided with threaded openings (7), and the interiors of several sets of threaded openings (7) are threaded with fixing bolts (8).

6. The low-noise axial flow impeller structure according to claim 1, characterized in that: The mounting frame (5) is rotatably connected to a connecting rod (9), which is connected to an external device.

7. The low-noise axial flow impeller structure according to claim 1, characterized in that: The surface of the storage tank (601) is fixedly connected to an inlet pipe (10), and a sealing cap (11) is threadedly connected to the outside of the inlet pipe (10).

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