CN107489647A - A kind of axial flow fan vane wheel - Google Patents
A kind of axial flow fan vane wheel Download PDFInfo
- Publication number
- CN107489647A CN107489647A CN201710845687.2A CN201710845687A CN107489647A CN 107489647 A CN107489647 A CN 107489647A CN 201710845687 A CN201710845687 A CN 201710845687A CN 107489647 A CN107489647 A CN 107489647A
- Authority
- CN
- China
- Prior art keywords
- wheel
- blade
- primary blades
- wheel hub
- axial flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000003466 welding Methods 0.000 claims abstract description 23
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
Classifications
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of axial flow fan vane wheel, including blade, annular wheel hub and core wheel, blade includes primary blades and reinforced blade, primary blades are prolonged ring and are uniformly fixed on the outer wall of wheel hub, the root of the lee face of primary blades is provided with reinforced blade, three or four plug welding holes are set on reinforced blade, core wheel is arranged on the center of wheel hub, it is welded as a whole between wheel hub and core wheel by hemispheric upper junction plate and lower connecting plate, the axis hole of the taper of core wheel 3 is provided through in core wheel, the side of core wheel is machined with two symmetrical slots.The present apparatus on reinforced blade by setting plug welding hole, set between wheel hub and core wheel and hemispheric be vertically connected with plate, slot is machined with core wheel, improve the weld strength between primary blades and reinforced blade, the overall intensity of impeller is increased, centrifugal force caused by blade when can preferably resist impeller rotation, prevents the deformation of impeller, the balance of impeller is improved simultaneously so that impeller is more steady when running.
Description
Technical field
The present invention relates to a kind of ventilation equipment, particularly, are related to a kind of axial flow fan vane wheel.
Background technology
Axial flow blower is a kind of the most frequently used ventilation, blowing device in the market, be widely used in factory, mine, tunnel,
Ventilation, dust discharge and the cooling of cooling tower, vehicle, ship and building.Axial flow blower is mainly made up of draught fan impeller and casing, its
Middle impeller is the part of most critical.
In the prior art, the blade in axial flow fan vane wheel group is airfoil type, and the thickness too slim vane root of blade is easily
So as to influence service life, vane thickness is too thick for fracture, reduces the power of blade, and when axial flow blower operates noise it is big,
Energy consumption is higher；The core wheel of impeller and wheel hub are Split type structure, are connected by several connecting rods, easily relatively rotated, and are connected
Bar is easy to crack, and fixed effect is all undesirable；Core wheel inwall is post holes, is not easy to position, is also easy to produce play；Key is machined with core wheel
Groove so that operationally, balance quality is poor for impeller, and operation is not steady enough.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of axial flow fan vane wheel, the present apparatus
Set by setting plug welding hole on reinforced blade, between wheel hub and core wheel it is hemispheric be vertically connected with plate, be machined with core wheel
Slot, the weld strength between primary blades and reinforced blade is improved, increase the overall intensity of impeller, can preferably resist
Centrifugal force caused by blade when impeller rotates, prevents the deformation of impeller, while improve the balance of impeller, more flat during operation
Surely.
It is as follows to solve above-mentioned technical problem the technical solution adopted by the present invention：Axial flow fan vane wheel, including blade, annular
Wheel hub and core wheel, blade include primary blades and reinforced blade, and primary blades are prolonged ring and are uniformly fixed on the outer wall of wheel hub, primary blades
The root of lee face be provided with reinforced blade, the root of reinforced blade is fixedly connected with the outer wall of wheel hub, primary blades and strengthens leaf
Piece is by being welded and fixed.
In the technical program, it is preferable that the area of reinforced blade is less than the area of primary blades.
Preferably, it is provided with plug welding hole on reinforced blade, the quantity of plug welding hole is three or four, three plug welding holes
Arrangement presses triangular arranged, and the arrangement of four plug welding holes presses square arrangement.
Preferably, the center of reinforced blade is additionally provided with an air-vent.
Preferably, core wheel is arranged on the center of wheel hub, is welded between wheel hub and core wheel by upper junction plate and lower connecting plate
It is integrated.
Preferably, upper junction plate and lower connecting plate are the middle hemispherical platy structure for being provided with through hole.
Preferably, the convex globoidal of upper junction plate and lower connecting plate is oppositely arranged.
Preferably, the hemispherical internal diameter of upper junction plate and lower connecting plate is 1.8-2 times of wheel hub internal diameter.
Preferably, the axis hole of core wheel is provided through in core wheel, axis hole is coaxial with wheel hub, and core wheel is located at the aperture one of axis hole
Two symmetrical slots are machined with the end face at end.
Preferably, slot is arranged on one end of the less core wheel of shaft hole diameter.
In the present invention, the root of the lee face of primary blades is provided with reinforced blade, improves blade quick rotation in impeller
Shi Yingli endurance, relatively thin blade dimensions requirement is adapted to, improves the service efficiency of impeller.
In the present invention, plug welding hole is set on reinforced blade, the shape in primary blades and reinforced blade welding process can be prevented
Into central hollow, the weld strength between primary blades and reinforced blade is improved.
In the present invention, the center of reinforced blade is additionally provided with air-vent, and blade can be born for ventilative can be designed so that
Big pressure, when the air heats expansion in close gap between primary blades and reinforced blade, air-vent outlet can be passed through
So as to prevent from taking off pine, or even deformation because of gas expansion between reinforced blade and primary blades, the bulk strength of impeller is improved.
In the present invention, it is welded as a whole between wheel hub and core wheel by upper junction plate and lower connecting plate, upper junction plate is with
Connecting plate is molded into hemispherical, and compared to connecting rod more of the prior art, hemispherical connecting plate increases overall intensity, can
Centrifugal force caused by blade during preferably resisting impeller rotation, prevents the deformation of impeller.
In the present invention, core wheel central axis hole is shaped as taper, facilitates the positioning and dismounting of impeller, prevents play, stability
It is higher.
In the present invention, slot is machined with core wheel, for inserting oblique cone pin, keyway is replaced using slot, reduces processing
Difficulty, while improve the balance of impeller is more steady during operation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the axial flow fan vane wheel of the present invention.
Fig. 2 is the sectional view of the axial flow fan vane wheel of the present invention.
In accompanying drawing：
1st, blade 11, primary blades 12, reinforced blade
13rd, plug welding hole 14, air-vent 2, wheel hub
3rd, core wheel 31, axis hole 32, slot
4th, upper junction plate 5, lower connecting plate
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Referring to Fig. 1, Fig. 2, for the structural representation of the axial flow fan vane wheel of the present invention, including blade 1, wheel hub 2 and core wheel
3.Blade 1 includes primary blades 11 and reinforced blade 12, and the area of reinforced blade 12 is less than the area of primary blades 11.Some main lobves
Piece 11 prolongs ring and is uniformly arranged on the outer wall of annular wheel hub 2, and wherein the quantity of primary blades 11 can be according to air quantity, impeller diameter
Change etc. actual conditions, in the present embodiment, the number of primary blades 11 is 8.
The root of primary blades 11 is fixedly connected with the outer wall of wheel hub 2, and the root of the lee face of every primary blades 11 has respectively
Reinforced blade 12, the root of primary blades 11 refer to the one end being fixedly connected with wheel hub 2, root and the wheel hub 2 of reinforced blade 12
Outer wall is fixedly connected.Primary blades 11 and reinforced blade 12 are provided with three or four by being welded and fixed on reinforced blade 12
Plug welding hole 13, in the present embodiment, the number of plug welding hole 13 is 4, wherein the arrangement of three plug welding holes 13 is by equilateral triangle row
Row, the arrangement of four plug welding holes 13 press square arrangement.By setting plug welding hole 13 on reinforced blade 12, can prevent in master
Central hollow is formed in blade 11 and the welding process of reinforced blade 12.
The center of reinforced blade 12 is additionally provided with an air-vent 14, due to can not between reinforced blade 12 and primary blades 11
Some small gaps of the presence avoided, when the air heats expansion in gap, hot-air can be discharged by air-vent 14, prevented
Pine is only taken off because of gas expansion between reinforced blade 12 and primary blades 11.
Core wheel 3 is arranged on the center of wheel hub 2, is welded as between wheel hub 2 and core wheel 3 by upper junction plate 4 and lower connecting plate 5
One, upper junction plate 4 and lower connecting plate 5 are molded into the middle hemispherical platy structure for being provided with through hole, increase overall strong
Degree, centrifugal force caused by blade when can preferably resist impeller rotation, prevents the deformation of impeller.
Hemispherical plate specifically refers to prolong has one with what the perpendicular face in the axis of hollow sphere housing was cut and formed
Determine the platy structure of curved surface radian.
The convex globoidal of upper junction plate 4 and lower connecting plate 5 is oppositely arranged, the hemispherical internal diameter of upper junction plate 4 and lower connecting plate 5
For 1.8-2 times of the internal diameter of wheel hub 2, the hemispherical internal diameter of upper junction plate 4 and lower connecting plate 5 is too big, does not have integrally stiffened effect
Fruit, hemispherical internal diameter is too small, and core wheel 3 increases exposed to outer area, easily impaired, while the bonding strength of wheel hub 2 and core wheel 3
Weaken.In the present embodiment, the hemispherical internal diameter of upper junction plate 4 and lower connecting plate 5 is 1.9 times of the internal diameter of wheel hub 2.
The axis hole 31 of core wheel 3 is provided through in core wheel 3, axis hole 31 and wheel hub 2 are coaxial, so facilitate the dismounting of impeller.
Core wheel 3, which is located on the end face of aperture one end of axis hole 31, is machined with two symmetrical slots 32, for inserting
Oblique cone pin, the less slot 32 of usable floor area replace the larger keyway of area, reduce difficulty of processing, while cause impeller operation
Shi Gengjia is steady.
In the present embodiment, the root of the lee face of primary blades is provided with reinforced blade, improves blade and quickly turns in impeller
The endurance of stress when dynamic, relatively thin blade dimensions requirement is adapted to, improves the service efficiency of impeller.
In the present embodiment, plug welding hole is set on reinforced blade, can be prevented in primary blades and reinforced blade welding process
Central hollow is formed, improves the weld strength between primary blades and reinforced blade.
In the present embodiment, the center of reinforced blade is additionally provided with air-vent, and blade can be held for ventilative can be designed so that
By big pressure, when the air heats expansion in close gap between primary blades and reinforced blade, can be gone out by air-vent
Gas improves the bulk strength of impeller so as to prevent from taking off pine, or even deformation because of gas expansion between reinforced blade and primary blades.
In the present embodiment, be welded as a whole between wheel hub and core wheel by upper junction plate and lower connecting plate, upper junction plate and
Lower connecting plate is molded into hemispherical, and compared to connecting rod more of the prior art, hemispherical connecting plate increases overall intensity,
Centrifugal force caused by blade when can preferably resist impeller rotation, prevents the deformation of impeller.
In the present embodiment, core wheel central axis hole is shaped as taper, facilitates the positioning and dismounting of impeller, prevents play, stable
Property is higher.
In the present embodiment, slot is machined with core wheel, for inserting oblique cone pin, keyway is replaced using slot, reduces and adds
Work difficulty, while improve the balance of impeller is more steady during operation.
Although the illustrative embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the scope of embodiment, to the common skill of the art
For art personnel, as long as long as various change in the spirit and scope of the invention that appended claim limits and determines, one
The innovation and creation using present inventive concept are cut in the row of protection.
Claims (8)
- A kind of 1. axial flow fan vane wheel, it is characterised in that：Including blade (1), annular wheel hub (2) and core wheel (3), the blade (1) primary blades (11) and reinforced blade (12) are included, the primary blades (11) prolong ring and are uniformly fixed on the outer of the wheel hub (2) On wall, the root of the lee face of the primary blades (11) is provided with reinforced blade (12), the root of the reinforced blade (12) and institute The outer wall for stating wheel hub (2) is fixedly connected, and the primary blades (11) and reinforced blade (12) are by being welded and fixed, the core wheel (3) The center of the wheel hub (2) is arranged on, passes through upper junction plate (4) and lower connecting plate (5) between the wheel hub (2) and core wheel (3) It is welded as a whole, the upper junction plate (4) and lower connecting plate (5) are the middle hemispherical platy structure for being provided with through hole, the wheel The axis hole (31) of core wheel (3) is provided through in core (3), with wheel hub (2) coaxially, the core wheel (3) is located at axis hole to axis hole (31) (31) two symmetrical slots (32) are machined with the end face of aperture one end.
- 2. axial flow fan vane wheel according to claim 1, it is characterised in that：The area of the reinforced blade (12) is less than The area of the primary blades (11).
- 3. axial flow fan vane wheel according to claim 1, it is characterised in that：Plug welding is provided with the reinforced blade (12) Hole (13).
- 4. axial flow fan vane wheel according to claim 3, it is characterised in that：The quantity of the plug welding hole (13) is three, The arrangement of three plug welding holes (13) presses triangular arranged.
- 5. axial flow fan vane wheel according to claim 3, it is characterised in that：The quantity of the plug welding hole (13) is four, The arrangement of four plug welding holes (13) presses square arrangement.
- 6. axial flow fan vane wheel according to claim 1, it is characterised in that：The center of the reinforced blade (12) is also set up There is an air-vent (14).
- 7. axial flow fan vane wheel according to claim 1, it is characterised in that：The upper junction plate (4) and lower connecting plate (5) Convex globoidal be oppositely arranged.
- 8. axial flow fan vane wheel according to claim 1, it is characterised in that：The upper junction plate (4) and lower connecting plate (5) Hemispherical internal diameter be 1.8-2 times of the wheel hub (2) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710845687.2A CN107489647A (en) | 2017-09-19 | 2017-09-19 | A kind of axial flow fan vane wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710845687.2A CN107489647A (en) | 2017-09-19 | 2017-09-19 | A kind of axial flow fan vane wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107489647A true CN107489647A (en) | 2017-12-19 |
Family
ID=60652928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710845687.2A Withdrawn CN107489647A (en) | 2017-09-19 | 2017-09-19 | A kind of axial flow fan vane wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107489647A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194427A (en) * | 2018-01-08 | 2018-06-22 | 梁耀文 | A kind of polygon wheel hub low-noise cooling tower axial flow blower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534400Y (en) * | 2001-12-27 | 2003-02-05 | 上海南泰通风机设备有限公司 | Blades |
| CN101479484A (en) * | 2006-08-03 | 2009-07-08 | 依必安-派特穆尔芬根股份有限两合公司 | Ventilator wheel |
| CN102312858A (en) * | 2011-08-25 | 2012-01-11 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN202280656U (en) * | 2011-08-25 | 2012-06-20 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type hot air circulation fan |
| CN102900696A (en) * | 2011-07-27 | 2013-01-30 | 洛森通风设备(上海)有限公司 | High-performance axial flow fan blade |
| CN207315734U (en) * | 2017-09-19 | 2018-05-04 | 张家港保税区创典炉窑通风设备有限公司 | A kind of axial flow fan vane wheel |
-
2017
- 2017-09-19 CN CN201710845687.2A patent/CN107489647A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534400Y (en) * | 2001-12-27 | 2003-02-05 | 上海南泰通风机设备有限公司 | Blades |
| CN101479484A (en) * | 2006-08-03 | 2009-07-08 | 依必安-派特穆尔芬根股份有限两合公司 | Ventilator wheel |
| US20100003140A1 (en) * | 2006-08-03 | 2010-01-07 | Dieter Best | Ventilator wheel |
| CN102900696A (en) * | 2011-07-27 | 2013-01-30 | 洛森通风设备(上海)有限公司 | High-performance axial flow fan blade |
| CN102312858A (en) * | 2011-08-25 | 2012-01-11 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type heated-air circulation fan |
| CN202280656U (en) * | 2011-08-25 | 2012-06-20 | 张家港市东丰特种风机有限公司 | Impeller of axial-flow type hot air circulation fan |
| CN207315734U (en) * | 2017-09-19 | 2018-05-04 | 张家港保税区创典炉窑通风设备有限公司 | A kind of axial flow fan vane wheel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194427A (en) * | 2018-01-08 | 2018-06-22 | 梁耀文 | A kind of polygon wheel hub low-noise cooling tower axial flow blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171219 |
|
| WW01 | Invention patent application withdrawn after publication |