CN111412180A - Large-diameter assembled fan adopting novel gasket - Google Patents
Large-diameter assembled fan adopting novel gasket Download PDFInfo
- Publication number
- CN111412180A CN111412180A CN202010212791.XA CN202010212791A CN111412180A CN 111412180 A CN111412180 A CN 111412180A CN 202010212791 A CN202010212791 A CN 202010212791A CN 111412180 A CN111412180 A CN 111412180A
- Authority
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- China
- Prior art keywords
- fan
- novel
- reference plate
- gasket
- bolt hole
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 238000000748 compression moulding Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- F04D29/26—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
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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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/34—Blade mountings
-
- 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
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a large-diameter assembled fan adopting a novel gasket, which is characterized by comprising a reference plate, fan blades, the novel gasket and bolt nuts, wherein the fan blades are formed by compression molding of a plurality of pieces of composite material raw materials and are fixed on the reference plate through the bolt nuts; the mounting area of the fan blade is respectively attached to the fastening surfaces of the novel washer and the reference plate, and the fan blade, the novel washer and the reference plate are fastened together by using bolts and nuts. The invention adopts the innovative way of connecting the independent gaskets of each blade into a whole, so that the clamping force of the whole fan is more uniform, and the stability of the whole structure of the fan is greatly improved; the novel washer structure greatly reduces the weight of the fan, so that the rotational inertia is correspondingly reduced; for the engine, useful work can be saved, and fuel economy can be improved.
Description
Technical Field
The invention belongs to the field of automobiles and engineering machinery, and particularly relates to a large-diameter assembled fan adopting a novel gasket.
Background
At present, large equipment such as mining trucks, large engineering machinery, generator sets and the like have high requirements on heat dissipation, and need fans with large diameter, high strength and large heat dissipation capacity, and the fans with the diameter of 1000mm-2500mm are commonly used. In the conventional large-diameter fan shown in fig. 1, the fan is made of a metal material such as an aluminum alloy, the wind blades are stacked in multiple layers, and the blades are fixed by rivets. However, the conventional fan has heavy weight, high cost and complex production process, is not beneficial to batch production, occupies the effective power of an engine, and reduces the fuel economy. Therefore, a new fan is needed to be developed, which overcomes the disadvantages of the conventional fan and meets the heat dissipation requirements of large-scale equipment.
Disclosure of Invention
In order to solve the technical problems, the invention provides a large-diameter assembled fan adopting a novel gasket, which comprises a reference plate, fan blades, the novel gasket and bolt nuts, wherein the fan blades are formed by compression molding of a plurality of pieces of composite material raw materials and are fixed on the reference plate through the bolt nuts; the reference plate is provided with a first bolt hole, a fourth bolt hole and a positioning hole, the first bolt hole is matched with the second bolt hole on the novel gasket and used for fixing the fan blade, and the fourth bolt hole and the positioning hole play roles in fixing and limiting; the novel gasket is a whole formed by connecting independent gaskets on the fan blades; the mounting area of the fan blade is respectively attached to the fastening surfaces of the novel washer and the reference plate, and the fan blade, the novel washer and the reference plate are fastened together by using bolts and nuts.
Preferably, the diameter of the assembled fan ranges from 1000mm to 2500 mm.
Preferably, the number of the fan blades and the size of the fan blades of the assembled fan are adjustable, the fan blades, the novel gasket and the datum plate need to be quickly positioned by means of customized tools when the assembled fan is assembled, and special tools need to be used when the torque is tightened.
Preferably, the fan blade, the novel gasket and the reference plate are respectively provided with a first bolt hole, a second bolt hole and a third bolt hole, the third bolt hole of the fan blade is arranged at a specific position of the mounting area, and the number and the position of the bolt holes are calculated according to the structural strength.
Preferably, the novel washer and the reference plate are designed to have a plane profile with a specific shape, including but not limited to a circle and a polygon, according to the calculation of the load strength, and the first bolt hole on the reference plate and the second bolt hole on the novel washer are located on a base circle with a specific diameter, and are distributed according to a certain angle.
Preferably, the novel gasket has the functions of protecting the fan blades, sharing the clamping force borne by the fan blades, stabilizing the fan structure, reducing the stress of the fastener and increasing the friction force.
Preferably, the material of the fan blade includes, but is not limited to, nylon, composite materials; the novel gasket and the reference plate are made of steel plates and die-cast alloy plates through a proper surface treatment process, and the materials include but are not limited to the steel plates and the die-cast alloy plates.
Compared with the prior art, the invention has the beneficial effects that: 1. the novel annular gasket structure is adopted, shearing force is generated between the fastening piece and the reference plate and between the fastening piece and the novel gasket, point positions of the shearing force are increased, the maximum value of bending moment borne by the fastening piece is reduced, the structural strength requirement of the fastening piece is greatly reduced, and the cost of the fastening piece is favorably reduced; on the other hand, the friction force is also provided by the blade and the reference plate, and the blade and the novel gasket, so that the friction force is greatly improved, and the blade, the reference plate and the novel gasket are not easy to loosen;
2. from the weight point of view, the structure of the novel gasket is adopted instead of two identical reference plates, and the middle of the novel gasket is hollow relative to the reference plates, so that the weight of the fan can be greatly reduced. The weight of the fan is reduced, so that the rotational inertia of the fan is correspondingly reduced; the rotational inertia of the fan is reduced, so that useful work can be saved for an engine, and the fuel economy is improved;
3. the independent gaskets of each blade are innovatively connected into a whole to form a large annular gasket, so that the clamping force on the blades is more uniform; meanwhile, the novel gasket forms an annular structure, so that the stability of the whole structure of the fan is greatly improved;
4. the quantity and the positions of the mounting holes in the novel gasket, the reference plate and the blade are designed through stress analysis, the reference plate and the novel gasket are homogeneous steel plates with specific profiles, and the reference plate is provided with a positioning hole and a first bolt hole and plays roles in positioning and fixing the blade and an engine belt pulley.
Drawings
FIG. 1 is a schematic structural view of a conventional large-diameter modular fan;
FIG. 2 is a schematic view of the overall construction of a novel gasketed large diameter modular fan;
FIG. 3 is an exploded view of a large diameter modular fan of the new gasket;
FIG. 4 is a schematic diagram of the overall construction of a stand-alone shim for a large diameter modular fan of the new gasket;
FIG. 5 is an exploded view of a stand-alone spacer for a large diameter modular fan of the new gasket;
fig. 6 is a mechanism diagram of a datum plate of a novel gasketed large diameter modular fan.
In the figure: 1-single layer blade; 2-a first rivet; 3-a fan hub; 4-hub-blade rivet; 5-a reference plate; 6-fan blades; 7-new gasket; 8-bolt and nut; 9-a separate gasket; 10-a first bolt hole; 11-fourth bolt hole; 12-positioning holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described below:
example (b):
as shown in fig. 2 and 3, the large-diameter assembled fan adopting the novel gasket comprises a reference plate 5, fan blades 6, a novel gasket 7 and a bolt nut 8, wherein the fan blades 6 are formed by compression molding of a plurality of pieces of composite material raw materials, and the number and the size of the fan blades 6 are adjustable; as shown in fig. 4 and 5, the novel gasket 7 is a whole formed by connecting independent gaskets 9 on each fan blade; the mounting area of the fan blade 6 is respectively attached to the fastening surfaces of the novel washer 7 and the reference plate 5, and the fan blade, the novel washer and the reference plate are fastened together by using bolts and nuts 8; as shown in fig. 6, the reference plate 5 includes a first bolt hole 10, a fourth bolt hole 11 and a positioning hole 12, the first bolt hole 10 is used to fix the fan blade 6 in cooperation with a second bolt hole on the novel washer 7, and the fourth bolt hole 11 and the positioning hole 12 are used for fixing and limiting.
Specifically, the diameter range of the assembled fan is 1000mm-2500 mm.
Specifically, the number and the size of the fan blades 6 of the assembled fan are adjustable, the fan blades 6, the novel gasket 7 and the reference plate 5 need to be quickly positioned by means of a customized tool when the assembled fan is assembled, and a special tool needs to be used when a torque is tightened.
Specifically, the fan blade 6, the novel gasket 7 and the reference plate 5 are respectively provided with a first bolt hole 10, a second bolt hole and a third bolt hole, the third bolt hole of the fan blade 6 is arranged at a specific position of the mounting area, and the number and the position of the bolt holes are calculated according to the structural strength.
Specifically, the novel washer 7 and the reference plate 5 are designed to have a plane profile with a specific shape, including but not limited to a circle and a polygon, according to the calculation of the load strength, and the bolt holes of the reference plate 5 and the novel washer 7 are located on a base circle with a specific diameter and distributed according to a certain angle.
Specifically, the novel gasket 7 has the functions of protecting the fan blades 6, sharing clamping force borne by the fan blades 6, stabilizing a fan structure, reducing stress of a fastener and increasing friction force.
Specifically, the material of the fan blade 6 includes, but is not limited to, nylon, composite material; the novel gasket 7 and the reference plate 5 are made of steel plates and die-cast alloy plates through a proper surface treatment process, and the materials include but are not limited to the steel plates and the die-cast alloy plates.
It should be noted that, in this document, moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A large-diameter assembled fan adopting a novel gasket is characterized by comprising a reference plate, fan blades, the novel gasket, a bolt and a nut, wherein the fan blades are formed by compression molding of a plurality of pieces of composite material raw materials and are fixed on the reference plate through the bolt and the nut; the reference plate is provided with a first bolt hole, a fourth bolt hole and a positioning hole, the first bolt hole is matched with the second bolt hole on the novel gasket and used for fixing the fan blade, and the fourth bolt hole and the positioning hole play roles in fixing and limiting; the novel gasket is a whole formed by connecting independent gaskets on the fan blades; the mounting area of the fan blade is respectively attached to the fastening surfaces of the novel washer and the reference plate, and the fan blade, the novel washer and the reference plate are fastened together by using bolts and nuts.
2. A large diameter modular fan employing novel gaskets as claimed in claim 1 wherein the modular fan has a diameter in the range of 1000mm to 2500 mm.
3. The large-diameter assembled fan with the novel gasket is characterized in that the number of fan blades and the size of the fan blades of the assembled fan are adjustable, the fan blades, the novel gasket and the datum plate are quickly positioned by means of customized tools when the assembled fan is assembled, and special tools are required when torque is tightened.
4. The large-diameter modular fan with the novel gasket as claimed in claim 1, wherein the fan blade, the novel gasket and the reference plate are respectively provided with a first bolt hole, a second bolt hole and a third bolt hole, the third bolt hole of the fan blade is provided at a specific position of the mounting region, and the number and the position of the bolt holes are calculated according to the structural strength.
5. A large diameter modular fan with novel washer according to claim 1, wherein the novel washer and the reference plate are designed to have a plane profile with a specific shape, including but not limited to circular and polygonal, based on the calculation of load strength, and the first bolt holes on the reference plate and the second bolt holes on the novel washer are located on the base circle with a specific diameter, according to a certain angular distribution.
6. The large diameter modular fan of claim 1 wherein the new gasket protects the fan blades, shares the clamping forces on the fan blades, stabilizes the fan structure, reduces fastener forces, and increases friction forces.
7. A large diameter modular fan employing a novel gasket in accordance with claim 1 wherein the material of said fan blades includes but is not limited to nylon, composite; the novel gasket and the reference plate are made of steel plates and die-cast alloy plates through a proper surface treatment process, and the materials include but are not limited to the steel plates and the die-cast alloy plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212791.XA CN111412180A (en) | 2020-03-24 | 2020-03-24 | Large-diameter assembled fan adopting novel gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212791.XA CN111412180A (en) | 2020-03-24 | 2020-03-24 | Large-diameter assembled fan adopting novel gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111412180A true CN111412180A (en) | 2020-07-14 |
Family
ID=71491389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010212791.XA Pending CN111412180A (en) | 2020-03-24 | 2020-03-24 | Large-diameter assembled fan adopting novel gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111412180A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174298A (en) * | 1996-08-07 | 1998-02-25 | 亨特风扇公司 | Modular ceiling fan assembly and system |
| US7331764B1 (en) * | 2004-04-19 | 2008-02-19 | Vee Engineering, Inc. | High-strength low-weight fan blade assembly |
| CN104314866A (en) * | 2014-10-14 | 2015-01-28 | 荣成复合材料有限公司 | Fan blade of composite material |
| CN105443418A (en) * | 2016-01-11 | 2016-03-30 | 广西科技大学 | Safety ceiling fan |
| CN106015058A (en) * | 2016-07-29 | 2016-10-12 | 钦州学院 | Safe ceiling fan |
| CN109462998A (en) * | 2016-06-27 | 2019-03-12 | 特鲁弗罗空中运动有限公司 | Fan component |
| CN109812450A (en) * | 2019-04-15 | 2019-05-28 | 奥卡冷却***（天津）有限公司 | A kind of assembled fan |
| CN209278210U (en) * | 2018-12-20 | 2019-08-20 | 山东众润机械有限公司 | Ventilating fan blade Fast Installation structure |
| CN209925296U (en) * | 2019-05-13 | 2020-01-10 | 苏州夏威宜环保科技有限公司 | Fan blade assembly |
-
2020
- 2020-03-24 CN CN202010212791.XA patent/CN111412180A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174298A (en) * | 1996-08-07 | 1998-02-25 | 亨特风扇公司 | Modular ceiling fan assembly and system |
| US7331764B1 (en) * | 2004-04-19 | 2008-02-19 | Vee Engineering, Inc. | High-strength low-weight fan blade assembly |
| CN104314866A (en) * | 2014-10-14 | 2015-01-28 | 荣成复合材料有限公司 | Fan blade of composite material |
| CN105443418A (en) * | 2016-01-11 | 2016-03-30 | 广西科技大学 | Safety ceiling fan |
| CN109462998A (en) * | 2016-06-27 | 2019-03-12 | 特鲁弗罗空中运动有限公司 | Fan component |
| CN106015058A (en) * | 2016-07-29 | 2016-10-12 | 钦州学院 | Safe ceiling fan |
| CN209278210U (en) * | 2018-12-20 | 2019-08-20 | 山东众润机械有限公司 | Ventilating fan blade Fast Installation structure |
| CN109812450A (en) * | 2019-04-15 | 2019-05-28 | 奥卡冷却***（天津）有限公司 | A kind of assembled fan |
| CN209925296U (en) * | 2019-05-13 | 2020-01-10 | 苏州夏威宜环保科技有限公司 | Fan blade assembly |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200714 |