CN102312858B - Impeller of axial-flow type heated-air circulation fan - Google Patents
Impeller of axial-flow type heated-air circulation fan Download PDFInfo
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- CN102312858B CN102312858B CN 201110246367 CN201110246367A CN102312858B CN 102312858 B CN102312858 B CN 102312858B CN 201110246367 CN201110246367 CN 201110246367 CN 201110246367 A CN201110246367 A CN 201110246367A CN 102312858 B CN102312858 B CN 102312858B
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- wheel hub
- blade
- hub
- annular wheel
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Abstract
The invention relates to an impeller of an axial-flow type heated-air circulation fan, which comprises an annular hub of which the center is provided with a conical shaft hole, wherein a plurality of blades are uniformly arranged on the outer wall of the annular hub along the annular direction, the root parts of the blades are fixed with the outer wall of the annular hub, a reinforcement blade is respectively arranged at the root part of the leeward side of each blade, the root parts of the reinforcement blades are fixed with the outer wall of the annular hub, wherein the annular hub structurally comprises an annular hub body and a shaft seat which is arranged in the center of the hub body, the shaft seat is connected with the hub body through a plurality of connection rods, a first closed cover and a second closed cover are respectively arranged in the two side end surfaces of the hub body, holes are respectively arranged at the centers of the first closed cover and the second closed cover, and the two ends of the shaft seat are respectively arranged in the holes. The impeller is suitable for the axial-flow type heated-air circulation fan.
Description
Technical field
The present invention relates to the technical field of blower fan, be specifically related to a kind of impeller of axial-flow heat air circulation fan.
Background technique
Impeller is one of critical piece of axial-flow heat air circulation fan, can realize the agitating function of hot blast, can effectively improve the uniformity of temperature in the industrial heat treatment furnace and the quality of heat treated part.The structure of the impeller of present employed axial-flow heat air circulation fan comprises: the center is provided with the annular wheel hub in axis of cone hole, evenly be provided with some blades along hoop on the outer wall of annular wheel hub, the root of blade and the outer wall of annular wheel hub fix, wherein the structure of annular wheel hub comprises the hub body of annular and is arranged on the axle bed at hub body center, is connected by some connecting rods between axle bed and the hub body.Use the axial-flow heat air circulation fan of above-mentioned impeller to be only applicable to low blast, little air quantity, to hang down the small-sized heat treatment furnace of furnace temperature, when being applied to the large-scale heat treatment furnace of high blast, Wind Volume, high furnace temperature, owing to the surface of contact between the outer wall of the root that only relies on blade between blade and the annular wheel hub and annular wheel hub fixes, thereby make blade under the impact of high blast, Wind Volume, high furnace temperature, distortion appears in blade easily, can occur the phenomenon of leaf destruction when serious; In addition, because annular wheel hub is Pierced structure, the dust in the furnace gas and silt can accumulate in the annular wheel hub, the balance when destroying vane rotary, cause the vibrations of blower fan, thereby the total head value deviation when making the regulation air quantity becomes greatly, fan efficiency reduces, fan noise becomes large.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of intensity higher and be applicable to the impeller of the axial-flow heat air circulation fan of dust atmosphere in the stove.
For addressing the above problem, the technical solution used in the present invention is: the impeller of axial-flow heat air circulation fan, comprise: the center is provided with the annular wheel hub in axis of cone hole, evenly be provided with some blades along hoop on the outer wall of annular wheel hub, the root of blade and the outer wall of annular wheel hub fix, the root of the lee face of described every blade is respectively arranged with reinforced blade, the root of reinforced blade and the outer wall of annular wheel hub fix, wherein the structure of annular wheel hub comprises the hub body and the axle bed that is arranged on the hub body center of annular, be connected by some connecting rods between axle bed and the hub body, be respectively arranged with the first closing cap and the second closing cap in the both sides end face of hub body, the center of the first closing cap and the second closing cap arranges porose, and the two ends of axle bed are separately positioned in the hole.
Three lateral margins and the blade of described reinforced blade are welded and fixed, and are provided with two air holes on the reinforced blade.
Be evenly equipped with three wheel hub air holes on the outer wall of described annular wheel hub.
The invention has the beneficial effects as follows: the impeller of above-mentioned axial-flow heat air circulation fan, it is simple in structure, easy to use, with low cost.It arranges reinforced blade by the root at the blade lee face, on the basis that does not affect the impeller characteristic, strengthened the degree of being connected firmly between blade and the annular wheel hub, thereby make blade under the impact of high blast, Wind Volume, high furnace temperature, blade is not easy distortion to occur, has avoided blade the phenomenon of fracture to occur; In addition, its annular wheel hub adopts full-closed structure, avoided dust in the furnace gas and sediment accumulation in the annular wheel hub, thereby make impeller can keep balance when rotated, can not cause the vibrations of blower fan, total head value deviation when the regulation air quantity diminishes, fan efficiency increases, fan noise diminishes thereby make.
Description of drawings
Fig. 1 is the structural representation of the impeller of axial-flow heat air circulation fan of the present invention;
Fig. 2 be among Fig. 1 the A-A direction partly cut open structural representation;
Among the figure: 1, axis of cone hole, 2, annular wheel hub, 21, hub body, 22, axle bed, 23, connecting rod, the 24, first closing cap, the 25, second closing cap, 26, the wheel hub air hole, 3, blade, 4, reinforced blade, 5, air hole.
Embodiment
Be described in further detail below by the impeller of specific embodiment to axial-flow heat air circulation fan of the present invention.
Such as Fig. 1, shown in Figure 2, the impeller of axial-flow heat air circulation fan, comprise: the center is provided with the annular wheel hub 2 in axis of cone hole 1, the sheet number that evenly is provided with eight its Leafs of blade 3(along hoop on the outer wall of annular wheel hub 2 can change according to actual conditions), the outer wall of the root of blade 3 and annular wheel hub 2 fixes, the root of the lee face of every blade 3 is respectively arranged with reinforced blade 4, the outer wall of the root of reinforced blade 4 and annular wheel hub 2 fixes, three lateral margins and the blade 3 of reinforced blade 4 are welded and fixed, be provided with two air holes 5 on the reinforced blade 4, wherein the effect of air hole 5 is: owing to have unavoidably certain interval between reinforced blade 4 and the blade 3, when the air expanded by heating in the gap, can give vent to anger to prevent to get loose because of gas expansion between reinforced blade 4 and the blade 3 by air hole 5.Wherein the structure of annular wheel hub 2 comprises the hub body 21 and the axle bed 22 that is arranged on hub body 21 centers of annular, be connected by some connecting rods 23 between axle bed 22 and the hub body 21, be respectively arranged with the first closing cap 24 and the second closing cap 25 in the both sides end face of hub body 21, the center of the first closing cap 24 and the second closing cap 25 arranges porose, the two ends of axle bed 22 are separately positioned in the hole, the first closing cap 24, the second closing cap 25, form the cavity of a sealing between axle bed 22 and the hub body 21, be evenly equipped with three wheel hub air holes 26 on the outer wall of hub body 21, when the air expanded by heating in the cavity, can give vent to anger to prevent hub body 21 distortion by wheel hub air hole 26.
The invention has the beneficial effects as follows: the impeller of above-mentioned axial-flow heat air circulation fan, it is simple in structure, easy to use, with low cost.It arranges reinforced blade 4 by the root at blade 3 lee faces, under the basis that does not affect blade 3 normal operations, strengthened the degree of being connected firmly between blade 3 and the annular wheel hub 2, thereby make blade 3 under the impact of high blast, Wind Volume, high furnace temperature, blade 3 is not easy distortion to occur, has avoided blade 3 phenomenon of fracture to occur; In addition, its annular wheel hub 2 adopts full-closed structures, avoided dust in the furnace gas and sediment accumulation in annular wheel hub 2, thereby made impeller can keep balance when rotated, can not cause the vibrations of blower fan, total head value deviation diminishes, fan efficiency increases, fan noise diminishes thereby make.
The above embodiments are principle and the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not is used for restriction the present invention; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (1)
1. the impeller of axial-flow heat air circulation fan, be applicable to dust atmosphere in the stove, comprise: the center is provided with the annular wheel hub in axis of cone hole, evenly be provided with eight blades along hoop on the outer wall of annular wheel hub, the root of blade and the outer wall of annular wheel hub fix, it is characterized in that: the root of the lee face of described every blade is respectively arranged with reinforced blade, the root of reinforced blade and the outer wall of annular wheel hub fix, three lateral margins and the blade of reinforced blade are welded and fixed, be provided with two air holes on the reinforced blade, wherein the structure of annular wheel hub comprises the hub body and the axle bed that is arranged on the hub body center of annular, be connected by some connecting rods between axle bed and the hub body, be respectively arranged with the first closing cap and the second closing cap in the both sides end face of hub body, the center of the first closing cap and the second closing cap arranges porose, the two ends of axle bed are separately positioned in the hole, the first closing cap, the second closing cap, form the cavity of a sealing between axle bed and the hub body, described annular wheel hub adopts full-closed structure, avoided dust in the furnace gas and sediment accumulation in the annular wheel hub, thereby make impeller can keep balance when rotated, can not cause the vibrations of blower fan, thereby the total head value deviation when the regulation air quantity is diminished, fan efficiency increases, fan noise diminishes, be evenly equipped with three wheel hub air holes on the outer wall of hub body, when the air expanded by heating in the cavity, can give vent to anger to prevent the hub body distortion by the wheel hub air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110246367 CN102312858B (en) | 2011-08-25 | 2011-08-25 | Impeller of axial-flow type heated-air circulation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110246367 CN102312858B (en) | 2011-08-25 | 2011-08-25 | Impeller of axial-flow type heated-air circulation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102312858A CN102312858A (en) | 2012-01-11 |
| CN102312858B true CN102312858B (en) | 2013-03-20 |
Family
ID=45426319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110246367 Expired - Fee Related CN102312858B (en) | 2011-08-25 | 2011-08-25 | Impeller of axial-flow type heated-air circulation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102312858B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489647A (en) * | 2017-09-19 | 2017-12-19 | 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 |
| 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 (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 |
| EP1359327A1 (en) * | 2001-02-07 | 2003-11-05 | Denso Corporation | Axial fan for vehicle |
| DE202006011899U1 (en) * | 2006-08-03 | 2007-12-13 | Ebm-Papst Mulfingen Gmbh & Co. Kg | fan wheel |
| CN201606274U (en) * | 2009-07-17 | 2010-10-13 | 郭建春 | Novel axial flow fan |
| CN201671881U (en) * | 2010-05-14 | 2010-12-15 | 珠海格力电器股份有限公司 | Axial-flow blade and air conditioner axial-flow fan |
| CN201874882U (en) * | 2010-09-21 | 2011-06-22 | 美的集团有限公司 | Fan blade |
| 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 |
-
2011
- 2011-08-25 CN CN 201110246367 patent/CN102312858B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1359327A1 (en) * | 2001-02-07 | 2003-11-05 | Denso Corporation | Axial fan for vehicle |
| CN2534400Y (en) * | 2001-12-27 | 2003-02-05 | 上海南泰通风机设备有限公司 | Blades |
| DE202006011899U1 (en) * | 2006-08-03 | 2007-12-13 | Ebm-Papst Mulfingen Gmbh & Co. Kg | fan wheel |
| CN201606274U (en) * | 2009-07-17 | 2010-10-13 | 郭建春 | Novel axial flow fan |
| CN201671881U (en) * | 2010-05-14 | 2010-12-15 | 珠海格力电器股份有限公司 | Axial-flow blade and air conditioner axial-flow fan |
| CN201874882U (en) * | 2010-09-21 | 2011-06-22 | 美的集团有限公司 | Fan blade |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102312858A (en) | 2012-01-11 |
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Granted publication date: 20130320 Termination date: 20150825 |
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