CN110985418B - Vibration reduction type axial flow fan with protection function - Google Patents
Vibration reduction type axial flow fan with protection function Download PDFInfo
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- CN110985418B CN110985418B CN201911378854.2A CN201911378854A CN110985418B CN 110985418 B CN110985418 B CN 110985418B CN 201911378854 A CN201911378854 A CN 201911378854A CN 110985418 B CN110985418 B CN 110985418B
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- main body
- connecting shaft
- fan
- sleeve
- motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The invention relates to a vibration reduction type axial flow fan with a protection function, which comprises a main body, a motor, a driving shaft and fan blades, and further comprises a protection mechanism and an anti-shake mechanism, wherein the protection mechanism comprises a mounting bearing, a connecting shaft, a cleaning brush, a detection assembly, two fixed sleeves, two fixed rods, two second springs, two protective nets and two friction blocks, the anti-shake mechanism comprises a buffer block, a mounting seat and at least two vibration reduction assemblies, each vibration reduction assembly comprises a supporting sleeve, a supporting rod and a third spring, each detection assembly comprises a sliding sleeve, a first spring, a thrust disc, two fixed pulleys and two connecting wires, and in the vibration reduction type axial flow fan with the protection function, the probability that larger sundries are sucked into the fan is reduced through the protection function of the protection mechanism, the failure rate of the fan is reduced, and the vibration of the fan is reduced through the anti-shake mechanism, the probability of looseness in fan installation is reduced, and the stability of fan installation is improved.
Description
Technical Field
The invention relates to the field of fans, in particular to a vibration reduction type axial flow fan with a protection function.
Background
The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.
When the axial flow fan in the prior art is used, air flow easily sucks large sundries into the fan, fan blades are damaged, the failure rate of the fan is increased, and moreover, when the fan in the prior art is used, the fan easily shakes, so that bolts used for fixing on the fan are easy to loosen, the fan is unstable to mount, and the practicability of the fan is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the vibration reduction type axial flow fan with the protection function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vibration reduction type axial flow fan with a protection function comprises a main body, a motor, a driving shaft and fan blades, wherein the main body is cylindrical, the driving shaft and the main body are coaxially arranged, the driving shaft is arranged in the main body, the motor is fixedly connected with the inner wall of the main body, the motor is in transmission connection with the fan blades through the driving shaft, the vibration reduction type axial flow fan further comprises a protection mechanism and an anti-shake mechanism, the protection mechanism is arranged in the main body, and the anti-shake mechanism is arranged on one side of the main body;
the protection mechanism comprises a mounting bearing, a connecting shaft, a cleaning brush, a detection assembly, two fixing sleeves, two fixing rods, two second springs, two protective nets and two friction blocks, the two protective nets are respectively mounted inside two ends of the main body, the connecting shaft is coaxially arranged with the main body, the connecting shaft is connected with one of the protective nets through the mounting bearing, the cleaning brush is perpendicular to the connecting shaft, one end of the connecting shaft, far away from the motor, is fixedly connected with the middle of the cleaning brush, the cleaning brush abuts against one of the protective nets, the detection assembly is arranged on the connecting shaft, the two fixing sleeves are symmetrically arranged relative to the connecting shaft, the axes of the fixing sleeves are parallel to the axis of the connecting shaft, the two fixing sleeves are fixedly connected with one end of the connecting shaft, far away from the cleaning brush, the fixing rods are coaxially arranged with the fixing sleeves, and pass, the fixing rods are connected with the fixing sleeve in a sliding mode, one ends of the two fixing rods, close to the motor, are fixedly connected with one friction block, one end of the driving shaft, far away from the motor, is fixedly connected with the other friction block, the two friction blocks are arranged in an opposite mode, the two second springs are sleeved on the two fixing rods respectively, the fixing sleeve is fixedly connected with one ends of the fixing rods, close to the motor, through the second springs, the second springs are in a compressed state, and the detection assembly is connected with one ends of the two fixing rods, far away from the motor;
the anti-shake mechanism comprises a buffer block, a mounting seat and at least two vibration reduction assemblies, wherein the mounting seat is arranged on one side of the main body, the mounting seat is fixedly connected with the main body through the buffer block, the vibration reduction assemblies are uniformly arranged on the periphery of the buffer block in the circumferential direction, and the main body is connected with the mounting seat through the vibration reduction assemblies;
the damping subassembly includes supporting sleeve, bracing piece and third spring, the bracing piece sets up with the supporting sleeve is coaxial, bracing piece one end sets up in supporting sleeve's inside, bracing piece and supporting sleeve sliding connection, the other end and the mount pad of bracing piece are articulated, supporting sleeve's the other end is articulated with the main part, the third spring sets up in supporting sleeve's inside, the inner wall of supporting sleeve's the other end passes through the one end fixed connection of third spring and bracing piece, the third spring is in compression state, the distance between the other end of bracing piece and the buffer block is greater than the distance between supporting sleeve's the other end and the buffer block.
Preferably, in order to improve the automation degree of the fan, a control box is arranged on the main body, a PLC is arranged in the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and the control keys are electrically connected with the PLC.
Preferably, in order to test the cleanliness of the protection net, the test assembly comprises a sliding sleeve, a first spring, a thrust disc, two fixed pulleys and two connecting wires, the sliding sleeve and the connecting shaft are coaxially arranged, the connecting shaft penetrates through the sliding sleeve, the sliding sleeve is connected with the connecting shaft in a sliding manner, the first spring is sleeved on the connecting shaft, the sliding sleeve is fixedly connected with the connecting shaft through the first spring, the first spring is in a stretching state, the two fixed pulleys are respectively arranged on one sides of the two fixed sleeves far away from the connecting shaft, the thrust disc is perpendicular to the connecting shaft, the thrust disc is installed on the sliding sleeve, one end of each connecting wire is fixedly connected with the thrust disc, the two connecting wires respectively bypass the two fixed pulleys, and the other ends of the two connecting wires are fixedly connected with one ends, far away from the motor, of the two fixed rods respectively.
Preferably, the body is coated with an anti-corrosive coating in order to extend the service life of the body.
Preferably, the material for manufacturing the protection net is stainless steel in order to prolong the service life of the protection net.
Preferably, in order to improve the accuracy of the control of the fan blade rotation speed, the motor is a servo motor.
Preferably, in order to improve the connection stability of the fixing rod and the fixing sleeve, a limiting block is arranged at one end of the fixing rod, which is far away from the motor.
Preferably, in order to improve the stability of the connection of the fixed pulley and the connecting wire, an annular groove is formed on the outer periphery of the fixed pulley, and the connecting wire is arranged inside the annular groove.
Preferably, in order to improve the connection stability of the two friction blocks, the sides of the two friction blocks close to each other are provided with anti-slip threads.
Preferably, the connecting shaft is coated with grease in order to improve the smoothness of movement of the sliding sleeve.
The vibration reduction type axial flow fan with the protection function has the advantages that the protection effect of the protection mechanism reduces the probability that larger sundries are sucked into the fan, the failure rate of the fan is reduced, compared with the existing protection mechanism, the protection mechanism can detect the state of a protective net through a mechanical structure, the stability of the fan operation is improved due to the fact that the pure mechanical structure is higher than that of electronic equipment, the vibration of the fan is reduced through the anti-shake mechanism, the probability that the fan is installed to be loose is reduced, the stability of the fan installation is improved, compared with the existing anti-shake mechanism, the anti-shake mechanism achieves the connection and fixing effect between the main body and the installation plate through the buffer block, the anti-shake function of the main body is achieved, and the practicability of the fan is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a vibration damping type axial flow fan with a guard function of the present invention;
fig. 2 is a sectional view of a vibration damping type axial flow fan having a shielding function of the present invention;
fig. 3 is a schematic structural view of a guard mechanism of the vibration damping type axial flow fan with guard function of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
in the figure: 1. the cleaning brush comprises a cleaning brush body, a supporting sleeve, a mounting seat, a buffering block, a main body, a protective net, a mounting bearing, a thrust disc, a connecting shaft, a friction block, a fan blade, a driving shaft, a motor, a first spring, a sliding sleeve, a connecting wire, a motor, a first spring, a second spring, a fixed rod, a fixed sleeve, a fixed pulley, a second spring, a fixed rod, a third spring and a supporting rod, wherein the cleaning brush body comprises a cleaning brush body 2, a supporting sleeve 3, a mounting seat 4, a buffering block 5, a main body 6, a protective.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a vibration damping axial flow fan with a protection function includes a main body 5, a motor 13, a driving shaft 12 and fan blades 11, wherein the main body 5 is cylindrical, the driving shaft 12 is coaxially arranged with the main body 5, the driving shaft 12 is arranged inside the main body 5, the motor 13 is fixedly connected with the inner wall of the main body 5, the motor 13 is in transmission connection with the fan blades 11 through the driving shaft 12, and the vibration damping axial flow fan further includes a protection mechanism and an anti-shake mechanism, the protection mechanism is arranged inside the main body 5, and the anti-shake mechanism is arranged on one side of the main body 5;
through the protection effect of the protection mechanism, the probability that larger sundries are sucked into the fan is reduced, the failure rate of the fan is reduced, and moreover, the vibration of the fan is reduced through the anti-shake mechanism, the probability of loosening during the installation of the fan is reduced, and the stability of the installation of the fan is improved;
as shown in fig. 2-3, the protection mechanism includes a mounting bearing 7, a connecting shaft 9, a cleaning brush 1, a detection assembly, two fixing sleeves 17, two fixing rods 20, two second springs 19, two protective nets 6 and two friction blocks 10, the two protective nets 6 are respectively mounted inside two ends of a main body 5, the connecting shaft 9 is coaxially disposed with the main body 5, the connecting shaft 9 is connected with one of the protective nets 6 through the mounting bearing 7, the cleaning brush 1 is perpendicular to the connecting shaft 9, one end of the connecting shaft 9, which is far away from a motor 13, is fixedly connected with the middle portion of the cleaning brush 1, the cleaning brush 1 abuts against one of the protective nets 6, the detection assembly is disposed on the connecting shaft 9, the two fixing sleeves 17 are symmetrically disposed about the connecting shaft 9, the axis of the fixing sleeves 17 is parallel to the axis of the connecting shaft 9, and both the two fixing sleeves 17 are fixedly connected with one end of the connecting shaft 9, which is, the fixing rods 20 and the fixing sleeves 17 are coaxially arranged, the fixing rods 20 penetrate through the fixing sleeves 17, the fixing rods 20 are connected with the fixing sleeves 17 in a sliding mode, one ends of the two fixing rods 20, close to the motor 13, are fixedly connected with one friction block 10, one end of the driving shaft 12, far away from the motor 13, is fixedly connected with the other friction block 10, the two friction blocks 10 are arranged in a right-to-right mode, two second springs 19 are respectively sleeved on the two fixing rods 20, the fixing sleeves 17 are fixedly connected with one ends of the fixing rods 20, close to the motor 13, through the second springs 19, the second springs 19 are in a compressed state, and the detection assembly is connected with one ends of the two fixing rods 20, far away from the motor 13;
the stability of the connecting shaft 9 is improved by installing the bearing 7, when more sundries are accumulated on the protective screen 6 positioned at the air inlet of the fan, the ventilation amount of the protection net 6 is reduced, the fixing rod 20 is driven by the sensing assembly to move along the fixing sleeve 17 in a direction away from the motor 13, the two friction blocks 10 are made to abut against each other, the driving shaft 12 is driven to rotate by the motor 13, under the transmission action between the two friction blocks 10, the connecting shaft 9 is driven to rotate by the driving shaft 12, the cleaning brush 1 is driven by the connecting shaft 9 to clean the protective net 6, the probability of sundries entering the main body 5 and the probability of fan damage are reduced by the protective function of the protective net 6, when the protective net 6 is cleaned, the ventilation volume of the protective net 6 is increased, the pull of the sensing assembly on the fixing rod 20 is reduced and the two friction discs 10 are separated by the second spring 19.
As shown in fig. 2, the anti-shake mechanism includes a buffer block 4, a mounting seat 3 and at least two vibration reduction assemblies, the mounting seat 3 is disposed on one side of a main body 5, the mounting seat 3 is fixedly connected with the main body 5 through the buffer block 4, the vibration reduction assemblies are uniformly disposed around the buffer block 4 in the circumferential direction, and the main body 5 is connected with the mounting seat 3 through the vibration reduction assemblies;
as shown in fig. 4, the vibration damping assembly includes a support sleeve 2, a support rod 22 and a third spring 21, the support rod 22 is coaxially disposed with the support sleeve 2, one end of the support rod 22 is disposed inside the support sleeve 2, the support rod 22 is slidably connected with the support sleeve 2, the other end of the support rod 22 is hinged to the mounting seat 3, the other end of the support sleeve 2 is hinged to the main body 5, the third spring 21 is disposed inside the support sleeve 2, an inner wall of the other end of the support sleeve 2 is fixedly connected with one end of the support rod 22 through the third spring 21, the third spring 21 is in a compressed state, and a distance between the other end of the support rod 22 and the buffer block 4 is greater than a distance between the other end of the support sleeve 2 and the buffer block 4;
fixed connection between mount pad 3 and the main part 5 has been realized through buffer block 4, the stability of being connected between main part 5 and the mount pad 3 has been improved, limiting displacement through support sleeve 2, the stability of bracing piece 22 has been improved, when main part 5 takes place to shake, bracing piece 22 slides along support sleeve 2, then the cushioning effect through third spring 21, the anti-shake effect to main part 5 has been realized, and then the shake of mount pad 3 has been reduced, the installation of mount pad 3 takes place not hard up probability has been reduced, the stability of fan installation has been improved, damping effect between mount pad 3 and main part 5 has further been realized through buffer block 4 simultaneously, the installation of mount pad 3 takes place not hard up probability has further been reduced.
Preferably, in order to improve the automation degree of the fan, a control box is arranged on the main body 5, a PLC is arranged in the control box, a display screen and at least two control keys are arranged on the control box, and the display screen and the control keys are electrically connected with the PLC.
As shown in fig. 3, the detecting assembly includes a sliding sleeve 15, a first spring 14, a thrust disc 8, two fixed pulleys 18 and two connecting wires 16, the sliding sleeve 15 is arranged coaxially with the connecting shaft 9, the connecting shaft 9 passes through the sliding sleeve 15, the sliding sleeve 15 is connected with the connecting shaft 9 in a sliding manner, the first spring 14 is sleeved on the connecting shaft 9, the sliding sleeve 15 is fixedly connected with the connecting shaft 9 through a first spring 14, the first spring 14 is in a stretching state, two fixed pulleys 18 are respectively arranged on one sides of the two fixed sleeves 17 far away from the connecting shaft 9, the thrust disc 8 is perpendicular to the connecting shaft 9, the thrust disc 8 is installed on the sliding sleeve 15, one ends of two connecting wires 16 are fixedly connected with the thrust disc 8, the two connecting wires 16 respectively pass around the two fixed pulleys 18, and the other ends of the two connecting wires 16 are respectively fixedly connected with one ends, far away from the motor 13, of the two fixed rods 20;
when more sundries are adsorbed on the protective net 6, the ventilation volume of the protective net 6 is reduced, so that the wind force on the thrust disc 8 is reduced, the sliding sleeve 15 is driven by the third spring 14 to move along the connecting shaft 9 in the direction close to the mounting bearing 7, the connecting line 16 is pulled by the thrust disc 8, then the fixing rod 20 is pulled by the connecting line 16 to move in the direction close to the motor 13 under the guiding action of the fixed pulley 18, the two friction discs 10 are abutted against each other by the fixing rod 20, so that the direct transmission of the two friction discs 10 is realized, the connecting shaft 9 is driven to rotate by the motor 12, the cleaning brush 1 is driven by the connecting shaft 9 to clean the protective net 6, when the protective net 6 is cleaned, the ventilation volume of the protective net 6 is increased, the thrust force on the thrust disc 8 is increased, and the two friction blocks 10 are driven to separate from each other by the second spring, the cleaning brush 1 is stopped to rotate, the load of the motor 13 is reduced, and the energy-saving performance of the fan is improved.
Preferably, in order to prolong the service life of the main body 5, the main body 5 is coated with an anti-corrosion coating;
the corrosion speed of the main body 5 is slowed down through the anti-corrosion coating, and the service life of the main body 5 is prolonged.
Preferably, in order to prolong the service life of the protective net 6, the protective net 6 is made of stainless steel;
because the stainless steel has better corrosion resistance, the corrosion speed of the protective net 6 is slowed down, and the service life of the protective net 6 is prolonged.
Preferably, the motor 13 is a servo motor in order to improve the accuracy of the control of the rotation speed of the fan blades 11.
Preferably, in order to improve the stability of the connection between the fixing rod 20 and the fixing sleeve 17, a limiting block is arranged at one end of the fixing rod 20 away from the motor 13;
through the limiting effect of the limiting block, the probability that the fixing rod 20 is separated from the fixing sleeve 17 is reduced, and the connection stability of the fixing rod 20 and the fixing sleeve 17 is improved.
Preferably, in order to improve the stability of the connection between the fixed pulley 18 and the connecting line 16, an annular groove is formed on the outer periphery of the fixed pulley 18, and the connecting line 16 is arranged inside the annular groove;
the probability of separation of the connecting line 16 from the fixed pulley 18 is reduced and the stability of connection of the fixed pulley 18 and the connecting line 16 is improved by the limiting effect of the annular groove on the connecting line 16.
Preferably, in order to improve the connection stability of the two friction blocks 10, the sides of the two friction blocks 10 close to each other are provided with anti-slip lines;
the friction force between the two friction blocks 10 is increased through the anti-slip threads, and the slip probability between the two friction blocks 10 is reduced.
Preferably, in order to improve the smoothness of the movement of the sliding sleeve 15, the connecting shaft 9 is coated with grease;
the friction force between the sliding sleeve 15 and the connecting shaft 9 is reduced by the grease, and the smoothness of the movement of the connecting shaft 9 is improved.
When more sundries are accumulated on the protective net 6 positioned at the air inlet of the fan, the ventilation volume of the protective net 6 is reduced, the detection assembly drives the fixing rod 20 to move along the fixing sleeve 17 in the direction away from the motor 13, so that the two friction blocks 10 are abutted against each other, the motor 13 drives the driving shaft 12 to rotate, the driving shaft 12 drives the connecting shaft 9 to rotate under the transmission action between the two friction blocks 10, the cleaning brush 1 is driven by the connecting shaft 9 to clean the protective net 6, the probability that the sundries enter the main body 5 is reduced through the protection action of the protective net 6, the probability of damage of the fan is reduced, when the main body 5 shakes, the supporting rod 22 slides along the supporting sleeve 2, the anti-shaking action of the main body 5 is realized through the buffer action of the third spring 21, the shaking of the mounting base 3 is reduced, and the probability of looseness of the mounting base 3 during mounting is reduced, the stability of fan installation has been improved.
Compared with the prior art, in this damping type axial fan with safeguard function, protective action through protection machanism, the probability that great debris are inhaled the fan inside has been reduced, the fault rate of fan has been reduced, compare with current protection machanism, this protection machanism can detect the state of protection network 6 through mechanical structure, because pure mechanical structure is compared in electronic equipment stability higher, the reliability of fan operation has been improved, moreover, the vibration of fan has been reduced through anti-shake mechanism, the probability that the fan installation takes place to become flexible has been reduced, the stability of fan installation has been improved, compare with current anti-shake mechanism, this anti-shake mechanism has not only realized the fixed action of being connected between main part 5 and mounting panel 3 through buffer block 4, still realized the anti-shake kinetic energy to main part 5, the practicality of fan has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The vibration reduction type axial flow fan with the protection function comprises a main body (5), a motor (13), a driving shaft (12) and fan blades (11), wherein the main body (5) is cylindrical, the driving shaft (12) and the main body (5) are coaxially arranged, the driving shaft (12) is arranged inside the main body (5), the motor (13) is fixedly connected with the inner wall of the main body (5), the motor (13) is in transmission connection with the fan blades (11) through the driving shaft (12), the vibration reduction type axial flow fan is characterized by further comprising a protection mechanism and an anti-shake mechanism, the protection mechanism is arranged inside the main body (5), and the anti-shake mechanism is arranged on one side of the main body (5);
the protection mechanism comprises a mounting bearing (7), a connecting shaft (9), a cleaning brush (1), a detection assembly, two fixing sleeves (17), two fixing rods (20), two second springs (19), two protective nets (6) and two friction blocks (10), wherein the two protective nets (6) are respectively mounted inside two ends of a main body (5), the connecting shaft (9) and the main body (5) are coaxially arranged, the connecting shaft (9) is connected with one of the protective nets (6) through the mounting bearing (7), the cleaning brush (1) is perpendicular to the connecting shaft (9), one end, far away from a motor (13), of the connecting shaft (9) is fixedly connected with the middle of the cleaning brush (1), the cleaning brush (1) is abutted against one of the connecting shafts (6), the detection assembly is arranged on the connecting shaft (9), the two fixing sleeves (17) are symmetrically arranged relative to the protective nets (9), the axis of the fixed sleeve (17) is parallel to the axis of the connecting shaft (9), the two fixed sleeves (17) are fixedly connected with one end of the connecting shaft (9) far away from the cleaning brush (1), the fixed rod (20) is coaxially arranged with the fixed sleeve (17), the fixed rod (20) penetrates through the fixed sleeve (17), the fixed rod (20) is in sliding connection with the fixed sleeve (17), one ends of the two fixed rods (20) close to the motor (13) are fixedly connected with one friction block (10), one end of the driving shaft (12) far away from the motor (13) is fixedly connected with the other friction block (10), the two friction blocks (10) are arranged oppositely, the two second springs (19) are respectively sleeved on the two fixed rods (20), and the fixed sleeve (17) is fixedly connected with one end of the fixed rod (20) close to the motor (13) through the second spring (19), the second spring (19) is in a compressed state, and the detection assembly is connected with one ends of the two fixing rods (20) far away from the motor (13);
the anti-shake mechanism comprises a buffer block (4), a mounting seat (3) and at least two vibration reduction assemblies, wherein the mounting seat (3) is arranged on one side of a main body (5), the mounting seat (3) is fixedly connected with the main body (5) through the buffer block (4), the vibration reduction assemblies are uniformly arranged around the buffer block (4) in the circumferential direction, and the main body (5) is connected with the mounting seat (3) through the vibration reduction assemblies;
the vibration damping component comprises a supporting sleeve (2), a supporting rod (22) and a third spring (21), the supporting rod (22) and the supporting sleeve (2) are coaxially arranged, one end of the supporting rod (22) is arranged in the supporting sleeve (2), the supporting rod (22) is connected with the supporting sleeve (2) in a sliding way, the other end of the supporting rod (22) is hinged with the mounting seat (3), the other end of the supporting sleeve (2) is hinged with the main body (5), the third spring (21) is arranged in the supporting sleeve (2), the inner wall of the other end of the support sleeve (2) is fixedly connected with one end of a support rod (22) through a third spring (21), the third spring (21) is in a compressed state, and the distance between the other end of the supporting rod (22) and the buffer block (4) is greater than the distance between the other end of the supporting sleeve (2) and the buffer block (4);
the detection assembly comprises a sliding sleeve (15), a first spring (14), a thrust disc (8), two fixed pulleys (18) and two connecting wires (16), the sliding sleeve (15) and the connecting shaft (9) are coaxially arranged, the connecting shaft (9) penetrates through the sliding sleeve (15), the sliding sleeve (15) is in sliding connection with the connecting shaft (9), the first spring (14) is sleeved on the connecting shaft (9), the sliding sleeve (15) is fixedly connected with the connecting shaft (9) through the first spring (14), the first spring (14) is in a stretching state, the two fixed pulleys (18) are respectively installed on one side, far away from the connecting shaft (9), of the two fixed sleeves (17), the thrust disc (8) is perpendicular to the connecting shaft (9), the thrust disc (8) is installed on the sliding sleeve (15), one ends of the two connecting wires (16) are fixedly connected with the thrust disc (8), the two connecting wires (16) respectively bypass the two fixed pulleys (18), and the other ends of the two connecting wires (16) are respectively fixedly connected with one ends of the two fixing rods (20) far away from the motor (13).
2. The axial flow fan with vibration damping and protection functions as claimed in claim 1, wherein the main body (5) is provided with a control box, the control box is internally provided with a PLC, the control box is provided with a display screen and at least two control keys, and the display screen and each control key are electrically connected with the PLC.
3. The vibration-damping type axial-flow fan with a guard function according to claim 1, wherein said main body (5) is coated with an anticorrosive coating.
4. The vibration-damping type axial-flow fan with a shielding function according to claim 1, wherein the material of the protective mesh (6) is stainless steel.
5. The vibration-damping type axial-flow fan with a guard function according to claim 1, wherein said motor (13) is a servo motor.
6. The vibration-damping type axial-flow fan with a shielding function according to claim 1, wherein a stopper is provided on an end of the fixing rod (20) away from the motor (13).
7. The vibration-damping type axial-flow fan with a guard function according to claim 3, wherein an annular groove is provided on an outer periphery of the fixed pulley (18), and the connection line (16) is provided inside the annular groove.
8. The vibration-damping type axial-flow fan with a guard function according to claim 1, wherein the two friction blocks (10) are provided with anti-slip threads on their sides adjacent to each other.
9. The vibration-damping type axial-flow fan with a guard function according to claim 1, wherein the connecting shaft (9) is coated with grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378854.2A CN110985418B (en) | 2019-12-27 | 2019-12-27 | Vibration reduction type axial flow fan with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378854.2A CN110985418B (en) | 2019-12-27 | 2019-12-27 | Vibration reduction type axial flow fan with protection function |
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| Publication Number | Publication Date |
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| CN110985418A CN110985418A (en) | 2020-04-10 |
| CN110985418B true CN110985418B (en) | 2021-06-01 |
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| CN201911378854.2A Active CN110985418B (en) | 2019-12-27 | 2019-12-27 | Vibration reduction type axial flow fan with protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2405088C (en) * | 2002-10-28 | 2007-02-13 | Angelo Milana | Versatile axial fan and centrifugal shutter mechanism |
| JP2015028307A (en) * | 2013-07-30 | 2015-02-12 | 株式会社サンロード | Dust collection filter for electric fan |
| CN105927562B (en) * | 2016-04-22 | 2018-05-15 | 蚌埠市拓坚机电有限公司 | A kind of automatic cleaning type negative-pressure air fan |
| CN207033796U (en) * | 2017-05-17 | 2018-02-23 | 佛山市朗然通风设备有限公司 | A kind of dust protection automatically cleaning axial flow blower |
| CN207660855U (en) * | 2017-11-14 | 2018-07-27 | 俞舒阳 | A kind of wind turbine of easy cleaning flabellum dust |
| CN108506233B (en) * | 2018-04-02 | 2020-09-22 | 马鞍山欧格萨斯机械科技有限公司 | Self-cleaning exhaust fan |
| CN108757517A (en) * | 2018-05-31 | 2018-11-06 | 浙江科贸实业有限公司 | Axial flow blower |
| CN208804020U (en) * | 2018-08-09 | 2019-04-30 | 绍兴上虞恒运通风设备有限公司 | A kind of self-cleaning blower |
| CN209604326U (en) * | 2018-12-31 | 2019-11-08 | 武汉鑫森泰消防设备制造有限公司 | A kind of damping installing mechanism of centrifugal blower |
| CN110107516B (en) * | 2019-06-04 | 2021-11-05 | 黄娉 | Clean mining fan with protection function |
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2019
- 2019-12-27 CN CN201911378854.2A patent/CN110985418B/en active Active
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