CN211370771U

CN211370771U - Energy-saving axial flow fan

Info

Publication number: CN211370771U
Application number: CN201922212829.9U
Authority: CN
Inventors: 钱运昌
Original assignee: Shangwei Electromechanical Equipment Co ltd
Current assignee: Shangwei Electromechanical Equipment Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-28
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an energy-conserving axial fan relates to axial fan technical field, specifically is an energy-conserving axial fan, the loach carrying platform comprises a supporting fram, the top fixed mounting of support frame has fan shell, and the inboard the place ahead fixed mounting of fan shell has a triangle mount, the drive shaft has been cup jointed in the middle part activity of triangle mount, the external fixation of drive shaft has cup jointed and is located two positive driving gears of triangle mount. This energy-conserving axial fan through rotating adjusting screw, and then drives the removal dish back-and-forth movement, drives four positive regulation rack back-and-forth movement of removal dish, because the outer edge intermeshing of regulation rack and adjusting gear to drive four adjusting gear and rotate, adjust the angle of fan blade, thereby change the holistic wind speed of the device, adjust the wind speed through the device, solved in the past through adjusting motor power, the problem that the energy consumption is high and influence the motor life-span has reduced the energy consumption.

Description

Energy-saving axial flow fan

Technical Field

The utility model relates to an axial fan technical field specifically is an energy-conserving axial fan.

Background

The axial flow fan is a machine for converting the energy of a prime motor into gas energy, is generally used in the industries of mines, chemical industry, cement, environmental protection, dust removal, textile and the like, and has a wide application range, and is called as axial flow because gas flows parallel to a fan shaft, and the axial flow fan is generally used in occasions with high flow requirements and low pressure requirements.

Because the axial-flow fan is usually used in the occasion that the flow requirement is higher and the pressure requirement is lower, in some occasions, the ventilation demands of different periods are different, and the angle of the fan determines the rotating speed at which the fan has the highest efficiency and the lowest energy consumption, if the flow is changed by simply changing the output power of the motor, the energy consumption of the motor can be improved due to resistance, and the service life of the motor can be reduced by frequently changing the output power of the motor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides an energy-conserving axial fan has energy-concerving and environment-protective, improves energy utilization, reduces advantages such as loss, has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

For energy-concerving and environment-protective, improvement energy utilization ratio, reduction loss purpose more than realizing, the utility model discloses a following technical scheme realizes: an energy-saving axial flow fan comprises a support frame, wherein a fan shell is fixedly mounted at the top of the support frame, a triangular fixing frame is fixedly mounted in front of the inner side of the fan shell, a driving shaft is movably sleeved in the middle of the triangular fixing frame, two driving gears positioned on the front side of the triangular fixing frame are fixedly sleeved on the outer portion of the driving shaft, a driving motor is fixedly mounted at the top of the fan shell, a driving gear is fixedly sleeved on an output shaft of the driving motor, a driving toothed belt is sleeved on the outer portion of the driving gear in a sleeved mode, a generator is fixedly mounted below the right side of the fan shell, a driven gear is fixedly sleeved on an input shaft of the generator, a transmission toothed belt is sleeved on the outer portion of the driven gear in a sleeved mode, a storage battery positioned behind the generator is fixedly mounted on the right side of, the utility model discloses a fixed pipe, including fixed pipe, adjusting gear, regulating gear, spacer rod, fixed pipe's inside movable mounting has the removal dish that is located the loose axle rear, and the middle part screw thread of removal dish has cup jointed the adjusting screw who runs through to fixed pipe rear, the back fixed mounting of removal dish has four locating levers that are located the adjusting screw outside, and the outside activity of locating lever has cup jointed the compression spring who is located removal dish and fixed pipe one end, the positive fixed mounting of removal dish has and adjusts gear matched with regulation rack, the positive inboard fixed mounting of fixed pipe has and adjusts rack matched with gag lever post, the back fixed mounting of fixed pipe.

Preferably, the outside of driving gear has movably cup jointed drive cingulum and transmission cingulum respectively, driven gear is in on the same horizontal plane with the driving gear in the place ahead, and the outer edge and the transmission cingulum intermeshing of driven gear and the driving gear in the place ahead, driven gear passes through the transmission cingulum transmission with the driving gear in the place ahead and is connected, drive gear is in on the same horizontal plane with the driving gear at rear, and the driving gear and the drive cingulum intermeshing at rear, drive gear passes through the drive cingulum transmission with the driving gear at rear and is connected.

Preferably, the top end of the adjusting screw is movably sleeved with the inner side of the front surface of the fixed pipe, and one end of the back surface of the fixed pipe is provided with a threaded hole matched with the adjusting screw.

Preferably, the positioning rods are uniformly distributed on the outer side of the adjusting screw rod, and the diameter values of the four positioning rods, which are provided with the movable discs in the front face, are the same as the inner diameter value of the fixed tube.

Preferably, the week side fixed mounting of fixed pipe has four evenly distributed's fixed loop bar, four the activity of the middle part of fixed loop bar has been cup jointed and has been run through to the loose axle of fixed intraduct, four the one end fixed mounting of loose axle has and is located the outside fan blade of fixed pipe, four the external fixation of loose axle has been cup jointed and is located the inside adjusting gear of fixed pipe, adjusting gear's outer edge and adjusting rack intermeshing, and four adjusting rack and adjusting gear evenly distributed in adjusting screw's the outside. Preferably, the side surface of the limiting rod is provided with a clamping groove matched with the adjusting rack, and the length value of the limiting rod is the same as that of the adjusting rack.

Preferably, the angle between the two side edges of the triangular fixing frame is one hundred twenty degrees, and the cross section of the side edge of the triangular fixing frame is in a diamond shape.

Preferably, the angle between the driving toothed belt and the transmission toothed belt is one hundred twenty degrees, and the driving toothed belt and the transmission toothed belt are respectively positioned on the front faces of two side edges of the triangular fixing frame.

(III) advantageous effects

The utility model provides an energy-conserving axial fan possesses following beneficial effect:

1. this energy-conserving axial fan, through rotating adjusting screw, and then drive the movable plate back-and-forth movement, drive four positive regulation rack back-and-forth movements of movable plate, because the outer edge intermeshing of regulation rack and adjusting gear, thereby drive four adjusting gear and rotate, adjust the angle of fan blade, thereby change the holistic wind speed of the device, adjust the wind speed through the device, solved in the past through adjusting motor power, the high problem that influences motor life-span of energy consumption, the energy consumption is reduced, further improvement the device's life, the terminal surface on fixed pipe right side and the side of triangle mount are the inclined plane simultaneously, the windage has been reduced, further the energy consumption of the device during operation has been reduced.

2. This energy-conserving axial fan, the device carry out the transmission drive with driving motor fixed mounting externally through the drive cingulum, have reduced the windage of motor to the device during operation, have further reduced the energy consumption, and the drive shaft rotates and drives the drive cingulum and rotate, and then drives driven gear and rotate to drive the generator and generate electricity, in the device normal work, retrieve the electric quantity, improved the utilization ratio of the energy, further reduce the loss.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the fan impeller of the present invention;

FIG. 3 is a schematic structural view of the present invention for adjusting the angle of the impeller;

fig. 4 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: 1. a support frame; 2. a fan housing; 3. a triangular fixing frame; 4. a drive shaft; 5. a driving gear; 6. a drive toothed belt; 7. a drive motor; 8. a drive gear; 9. a fan blade; 10. a drive toothed belt; 11. a generator; 12. a driven gear; 13. a fixed tube; 14. adjusting the screw rod; 15. a movable shaft; 16. a movable tray; 17. positioning a rod; 18. adjusting the rack; 19. an adjusting gear; 20. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: an energy-saving axial flow fan comprises a support frame 1, a fan shell 2 is fixedly installed at the top of the support frame 1, a triangular fixing frame 3 is fixedly installed in front of the inner side of the fan shell 2, a driving shaft 4 is movably sleeved at the middle of the triangular fixing frame 3, two driving gears 5 positioned on the front side of the triangular fixing frame 3 are fixedly sleeved at the outer part of the driving shaft 4, a driving motor 7 is fixedly installed at the top of the fan shell 2, a driving gear 8 is fixedly sleeved on an output shaft of the driving motor 7, a driving toothed belt 6 is movably sleeved at the outer part of the driving gear 8, a generator 11 is fixedly installed below the right side of the fan shell 2, a driven gear 12 is fixedly sleeved on an input shaft of the generator 11, a transmission toothed belt 10 is movably sleeved at the outer part of the driven gear 12, a storage battery positioned behind the generator 11 is fixedly installed at the right side of the support frame 1, the inside movable mounting of fixed pipe 13 has the removal dish 16 that is located loose axle 15 rear, and the middle part screw thread of removal dish 16 cup joints the adjusting screw 14 that runs through to fixed pipe 13 rear, the back fixed mounting of removal dish 16 has four locating levers 17 that are located the adjusting screw 14 outside, and the outside activity of locating lever 17 cup joints the compression spring who is located removal dish 16 and fixed pipe 13 one end, the positive fixed mounting of removal dish 16 has and adjusts gear 19 matched with regulation rack 18, the positive inboard fixed mounting of fixed pipe 13 has and adjusts rack 18 matched with gag lever post 20, the back fixed mounting of fixed pipe 13 has conical sealed lid.

Wherein, the driving toothed belt 6 and the transmission toothed belt 10 are respectively movably sleeved outside the driving gear 5, the driven gear 12 and the driving gear 5 in front are positioned on the same horizontal plane, the outer edges of the driven gear 12 and the driving gear 5 in front are meshed with the transmission toothed belt 10, the driven gear 12 is in transmission connection with the driving gear 5 in front through the transmission toothed belt 10, the driving gear 8 and the driving gear 5 in rear are positioned on the same horizontal plane, the driving gear 5 and the driving toothed belt 6 in rear are meshed with each other, the driving gear 8 is in transmission connection with the driving gear 5 in rear through the driving toothed belt 6, the device fixedly installs the driving motor 7 outside, performs transmission driving through the driving toothed belt 6, reduces the wind resistance of the motor to the device during operation, further reduces the energy consumption, the driving shaft 4 rotates to drive the transmission toothed belt 10 to rotate, and further drives the driven gear 12 to rotate, thereby drive generator 11 and generate electricity, when the device normally worked, retrieve the electric quantity, improved the utilization ratio of the energy, further reduce the loss.

Wherein, adjusting screw 14's top and the positive inboard activity of fixed pipe 13 cup joint, the one end at the back of fixed pipe 13 is seted up with adjusting screw 14 matched with screw hole, through rotating adjusting screw 14, and then drive the front-and-back movement of removal dish 16, drive the front four regulation racks 18 back-and-forth movement of removal dish 16, because the outer edge intermeshing of regulation rack 18 and adjusting gear 19, thereby drive four adjusting gear 19 and rotate, adjust the angle of fan blade 9, thereby change the holistic wind speed of the device, adjust the wind speed through the device, the problem of in the past through adjusting motor power has been solved, the energy consumption is high and influence motor life, the energy consumption is reduced, further the life of the device has been improved.

Wherein, locating lever 17 evenly distributed is in adjusting screw 14's the outside, the diameter value of the positive movable plate 16 of four locating levers 17 is the same with the internal diameter value of fixed pipe 13, inject movable plate 16 position through four locating levers 17, it can not rotate along with adjusting screw 14 to guarantee movable plate 16, and then guaranteed that the positive four regulation rack 18 positions of movable plate 16 are fixed, guarantee that four regulation rack 18 mesh with adjusting gear 19 all the time, this adjusting device's validity has further been guaranteed, cup joint compression spring in the outside activity of locating lever 17, by compression spring roof pressure movable plate 16 all the time, the clearance of adjusting

rack

18 and 19 gear engagement of adjusting gear has been reduced, fan blade 9 during operation's stability has further been improved, the probability that the device appears damaging has been reduced.

Wherein, four fixed loop bars which are evenly distributed are fixedly arranged on the peripheral side of the fixed tube 13, the middle parts of the four fixed loop bars are movably sleeved with movable shafts 15 which penetrate through the fixed tube 13, one ends of the four movable shafts 15 are fixedly provided with fan blades 9 which are positioned outside the fixed tube 13, the outsides of the four movable shafts 15 are fixedly sleeved with adjusting gears 19 which are positioned inside the fixed tube 13, the outer edges of the adjusting gears 19 are mutually meshed with the adjusting racks 18, the four adjusting racks 18 and the adjusting gears 19 are evenly distributed on the outer sides of the adjusting screw rods 14, the adjusting gears 19 are driven by the adjusting racks 18 to rotate, so as to adjust the angles of the fan blades 9, the four adjusting racks 18 are fixedly arranged on the front surface of the movable plate 16, so as to ensure the moving synchronization of the four adjusting racks 18, further ensure the rotating synchronization of the four adjusting gears 19, and further ensure the angles of the four fan blades, the normal work of the device is ensured, and the probability of safety accidents is reduced.

The side face of the limiting rod 20 is provided with a clamping groove matched with the adjusting rack 18, the length value of the limiting rod 20 is the same as that of the adjusting rack 18, the position of the adjusting rack 18 is limited through the clamping groove in the limiting rod 20, the adjusting rack 18 can only move back and forth, and the probability that the adjusting rack 18 shakes to cause failure of the adjusting device is reduced.

Wherein, the angle between 3 both sides limits of triangle mount is one hundred twenty degrees, and the cross sectional shape of 3 sides of triangle mount is the rhombus, and the terminal surface on fixed pipe 13 right side and the side of triangle mount 3 are the inclined plane, have reduced the windage, further reduced the energy consumption of the device during operation, fix through the three side of triangle mount 3 simultaneously, guaranteed the device's stability, reduced the probability that the device during operation appears rocking.

Wherein, the angle between drive cingulum 6 and the transmission cingulum 10 is one hundred twenty degrees, and drive cingulum 6 and transmission cingulum 10 are located the front on 3 both sides limits of triangle mount respectively, places drive cingulum 6 and transmission cingulum 10 in the front of 3 sides limits of triangle mount, has reduced the windage that drive cingulum 6 and transmission cingulum 10 produced, and then has reduced the energy consumption, has saved the energy.

To sum up, the energy-saving axial flow fan, when in use, drives the driving gear 8 to rotate through the driving motor 7, further drives the driving toothed belt 6 to rotate, drives the driving gear 5 at the rear to rotate, drives the fixed pipe 13 to rotate, drives the four fan blades 9 to rotate, so that the device works normally, drives the driving gear 5 at the front to rotate while the driving shaft 4 rotates, drives the driving toothed belt 10 to rotate, drives the driven gear 12 to rotate, thereby driving the generator 11 to generate electricity, drives the moving disc 16 to move back and forth by rotating the adjusting screw 14, drives the four adjusting racks 18 at the front of the moving disc 16 to move back and forth, since the adjusting racks 18 are meshed with the outer edges of the adjusting gears 19, thereby driving the four adjusting gears 19 to rotate, adjusting the angles of the fan blades 9, thereby changing the wind speed of the whole device, the wind speed is adjusted through the device, the problems that the energy consumption is high and the service life of the motor is influenced by adjusting the power of the motor in the past are solved, the energy consumption is reduced, and the device is periodically overhauled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an energy-conserving axial fan, includes support frame (1), its characterized in that: the top fixed mounting of support frame (1) has fan shell (2), and the place ahead fixed mounting of fan shell (2) inboard has triangle mount (3), drive shaft (4) have been cup jointed in the middle part activity of triangle mount (3), the external fixation of drive shaft (4) has been cup jointed and has been located two positive driving gears (5) of triangle mount (3), the top fixed mounting of fan shell (2) has driving motor (7), and has cup jointed drive gear (8) on the output shaft of driving motor (7), the external activity of drive gear (8) has been cup jointed drive cingulum (6), below fixed mounting on fan shell (2) right side has generator (11), and has cup jointed driven gear (12) on the input shaft of generator (11), drive cingulum (10) have been cup jointed in the external activity of driven gear (12), the right side of the support frame (1) is fixedly provided with a storage battery positioned at the rear of the generator (11), one end of the drive shaft (4) is fixedly provided with a fixed pipe (13) positioned at the back of the triangular fixing frame (3), the inner part of the fixed pipe (13) is movably provided with a movable disc (16) positioned at the rear of the movable shaft (15), the middle part of the movable disc (16) is in threaded sleeve connection with an adjusting screw (14) penetrating to the rear of the fixed pipe (13), the back of the movable disc (16) is fixedly provided with four positioning rods (17) positioned at the outer side of the adjusting screw (14), the outer part of each positioning rod (17) is movably sleeved with a compression spring positioned at one ends of the movable disc (16) and the fixed pipe (13), the front of the movable disc (16) is fixedly provided with an adjusting rack (18) matched with an adjusting gear (19), the front inner side of the fixed pipe (13) is fixedly provided with a limiting rod (20), the back of the fixed pipe (13) is fixedly provided with a conical sealing cover.

2. The energy-saving axial flow fan according to claim 1, wherein: the outside of driving gear (5) is the activity respectively and has been cup jointed drive cingulum (6) and transmission cingulum (10), driven gear (12) are in on the same horizontal plane with driving gear (5) in the place ahead, and the outer edge of driven gear (12) and place ahead driving gear (5) and transmission cingulum (10) intermeshing, driven gear (12) are connected through transmission cingulum (10) transmission with driving gear (5) in the place ahead, driving gear (8) are in on the same horizontal plane with driving gear (5) at rear, and driving gear (5) and driving gear (8) and drive cingulum (6) intermeshing at rear, driving gear (8) are connected through drive cingulum (6) transmission with driving gear (5) at rear.

3. The energy-saving axial flow fan according to claim 1, wherein: the top end of the adjusting screw rod (14) is movably sleeved with the inner side of the front face of the fixed pipe (13), and one end of the back face of the fixed pipe (13) is provided with a threaded hole matched with the adjusting screw rod (14).

4. The energy-saving axial flow fan according to claim 1, wherein: the positioning rods (17) are uniformly distributed on the outer sides of the adjusting screw rods (14), and the diameter values of the moving discs (16) on the front surfaces of the four positioning rods (17) are the same as the inner diameter value of the fixed pipe (13).

5. The energy-saving axial flow fan according to claim 1, wherein: fixed pipe (13) all sides fixed mounting have four evenly distributed's fixed loop bar, four the middle part activity of fixed loop bar has cup jointed and runs through loose axle (15) to fixed pipe (13) inside, four the one end fixed mounting of loose axle (15) has fan blade (9) that are located fixed pipe (13) outside, four the outside of loose axle (15) is fixed cup joints and is located fixed inside adjusting gear (19) of pipe (13), outer edge and adjusting rack (18) intermeshing of adjusting gear (19), and four adjusting rack (18) and adjusting gear (19) evenly distributed in the outside of adjusting screw (14).

6. The energy-saving axial flow fan according to claim 1, wherein: the side surface of the limiting rod (20) is provided with a clamping groove matched with the adjusting rack (18), and the length value of the limiting rod (20) is the same as that of the adjusting rack (18).

7. The energy-saving axial flow fan according to claim 1, wherein: the angle between the two side edges of the triangular fixing frame (3) is one hundred twenty degrees, and the cross section of the side edge of the triangular fixing frame (3) is rhombic.

8. The energy-saving axial flow fan according to claim 1, wherein: the angle between the driving toothed belt (6) and the transmission toothed belt (10) is one hundred twenty degrees, and the driving toothed belt (6) and the transmission toothed belt (10) are respectively positioned on the front surfaces of two side edges of the triangular fixed frame (3).