CN205225854U - Be used for radiating fan wheel of electric locomotive silicon - Google Patents
Be used for radiating fan wheel of electric locomotive silicon Download PDFInfo
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- CN205225854U CN205225854U CN201520962684.3U CN201520962684U CN205225854U CN 205225854 U CN205225854 U CN 205225854U CN 201520962684 U CN201520962684 U CN 201520962684U CN 205225854 U CN205225854 U CN 205225854U
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Abstract
The utility model provides a be used for radiating fan wheel of electric locomotive silicon. It solves current to arouse the technical problem such as scaling loss, motor shock and vibration are big, impeller deformation and damage that generate heat the bearing because of overload operation. Its technical essential is: it includes leaf wheel hub (1), fan blade (2) and impeller flange (3), and the periphery at leaf wheel hub (1) is evenly installed according to the designing requirement in fan blade (2), and the one end at leaf wheel hub (1) drum inner chamber is installed in impeller flange (3), and fan wheel passes through impeller flange (3) to be fixed on silicon heat dissipation motor (4), and silicon heat dissipation motor (4) is laid perpendicularly in electric locomotive silicon heat abstractor (5). Its simple structure is reliable, and operation maintenance is convenient. But its wide application is in china's SS7C type electric locomotive silicon fan set ventilation cooling system.
Description
Technical field
The utility model relates to a kind of blower fan, particularly a kind of draught fan impeller for the heat radiation of electric locomotive silicon.
Background technique
At present, the SS7C type electric locomotive silicon blower fan unit of China railways system cloud gray model, mainly bears locomotive silicon cell heat radiation important task.But the following problem occurred in using in recent years: because its axial flow silicon fan bearing is little, add in running former silicon blower fan unit impeller adopt steel part structure and quality weighs 9Kg, locomotive is in long-time continuous running state simultaneously, therefore the faults such as bearing heating scaling loss, electromechanical shock are vibrated greatly, impeller deformed damaged are often caused because of overload operation, cause locomotive silicon cell to dispel the heat and can not meet expection requirement, even have a strong impact on the normal operation of railway locomotive.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly can solves the faults such as the SS7C type electric locomotive silicon blower fan unit axial flow silicon fan bearing heating scaling loss, the electromechanical shock vibration that run in China railways system are large, impeller deformed damaged comprehensively, can improve the draught fan impeller for the heat radiation of electric locomotive silicon of the reliability of locomotive complete machine ride quality and traffic safety simultaneously.
The utility model solves the technological scheme that its technical problem adopts: it is made up of assemblings such as impeller boss 1, fan blade 2 and impeller flanges 3.
Impeller boss 1 of the present utility model adopts the thick high strength Al-Mn serial alloy welding of 5mm to connect machine shaping.
Fan blade 2 of the present utility model adopts 5mm thick high strength Al-Mn system alloy, and mould is colded pressing compressing.
Impeller flange 3 of the present utility model adopts 8mm thick high strength Al-Mn system alloy, and impeller flange 3 is provided with the screw of more than 2 for fixing.
Of the present utility model three large assemblies, its material is all adopted as Al-Mn system alloy, such as 3A21 aluminium sheet in Al-Mn system alloy, and 3A21 aluminium sheet is most widely used a kind of rustproof aluminum alloy, and the normal Cold-forming process that adopts improves its mechanical property; Have high plasticity in an annealed state, when half flow harden, plasticity is fair, and during flow harden, plasticity is low, and corrosion resistance is good, and weldability is good.The alloying element of A21 is manganese, and have splendid formed machining characteristic, highly corrosion resistant, good weldability and electric conductivity, intensity is higher.Domestic 3000 series of aluminium board production technology relative maturity, comparatively outstanding.
SS7C type electric locomotive silicon draught fan impeller assembling of the present utility model: adopt specific welding assambly location, successively assembled welding carried out to impeller flange, impeller boss, fan blade by professional welding operation personnel in strict accordance with welding procedure; Strict machine shaping by drawing after welding, and carry out the detection of test group dress.
The beneficial effects of the utility model are: this design proposal keeps original installing space structure constant, reach easy and simple to handle, performance boost, application safety be reliable and stable.It is by the corresponding special construction of design, steel part structure, quality weight is adopted with the impeller solving former silicon blower fan unit, locomotive is in long-time continuous running state simultaneously, therefore the faults such as bearing heating scaling loss, electromechanical shock are vibrated greatly, impeller deformed damaged are often caused because of overload operation, locomotive silicon cell is caused to dispel the heat can not meeting expection to require and railway locomotive cannot normal reliable operation troubles, effectively guarantee the continual and steady reliability of its SS7C type electric locomotive silicon blower fan unit axial flow silicon fan operation, meet the safe and reliable Operational requirements of railway locomotive.It is mainly used for the fields such as electric locomotive silicon blower fan unit axial flow silicon blower fan.
Accompanying drawing explanation
Fig. 1 is erection drawing of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 of the present utility modelly cuts open schematic diagram;
Fig. 4 is side of the present utility model schematic diagram;
Fig. 5 is impeller flange schematic diagram of the present utility model;
Fig. 6 is that impeller flange of the present utility model cuts open schematic diagram;
Fig. 7 is impeller boss schematic diagram of the present utility model;
Fig. 8 is that impeller boss of the present utility model cuts open schematic diagram;
Fig. 9 is fan blade schematic diagram of the present utility model;
Figure 10 is that fan blade of the present utility model launches schematic diagram.
In figure: 1-impeller boss, 2-fan blade, 3-impeller flange, 4-silicon radiating motor, 5-electric locomotive silicon sink.
Embodiment
Below in conjunction with accompanying drawing, that the utility model is described in further detail is as follows:
Implement 1, it is formed primarily of assemblings such as impeller boss 1, fan blade 2 and impeller flanges 3.Consult Fig. 1 to Fig. 9.Impeller boss 1 adopts the thick high strength Al-Mn serial alloy welding of 5mm to connect machine shaping.Fan blade 2 adopts 5mm thick high strength Al-Mn system alloy, and mould is colded pressing compressing.Impeller flange 3 adopts 8mm thick high strength Al-Mn system alloy, and impeller flange 3 is provided with the screw of more than 2 for fixing.
Implement 2, of the present utility model three large assemblies: impeller boss 1, fan blade 2 and impeller flange 3, its material is all adopted as Al-Mn system alloy, such as 3A21 aluminium sheet in Al-Mn system alloy, 3A21 aluminium sheet is most widely used a kind of rustproof aluminum alloy, and the normal Cold-forming process that adopts improves its mechanical property; Have high plasticity in an annealed state, when half flow harden, plasticity is fair, and during flow harden, plasticity is low, and corrosion resistance is good, and weldability is good.The alloying element of A21 is manganese, and have splendid formed machining characteristic, highly corrosion resistant, good weldability and electric conductivity, intensity is higher.Domestic 3000 series of aluminium board production technology relative maturity, comparatively outstanding.
Implement 3, assembling procedure of the present utility model is as follows: adopt specific welding assambly location, carry out assembled welding to impeller flange, impeller boss, fan blade by professional welding operation personnel successively in strict accordance with welding procedure; Strict machine shaping by drawing after welding, and carry out the detection of test group dress.
Use of the present utility model, maintenance instruction:
(1) flabellum need be prevented to be out of shape when transport, preservation;
(2) forbid when flabellum is installed adopting hammering method assembling flabellum, the method press-fited need be adopted to carry out the installation of flabellum;
(3) dynamic balancing of flabellum and impeller must be ensured after flabellum installation apart from air duct gap at 2-3mm;
(4) find when safeguarding that flabellum has when crackle, distortion to renew flabellum;
(5), when keeping in repair silicon blower fan group, the dismounting of flabellum is forbidden adopting hammering method to carry out dismounting flabellum.
It is by the corresponding special construction of design, steel part structure, quality weight is adopted with the impeller solving former silicon blower fan unit, locomotive is in long-time continuous running state simultaneously, therefore the faults such as bearing heating scaling loss, electromechanical shock are vibrated greatly, impeller deformed damaged are often caused because of overload operation, locomotive silicon cell is caused to dispel the heat can not meeting expection to require and railway locomotive cannot normal reliable operation troubles, effectively guarantee the continual and steady reliability of its SS7C type electric locomotive silicon blower fan unit axial flow silicon fan operation, meet the safe and reliable Operational requirements of railway locomotive.
Claims (6)
1. the draught fan impeller for the heat radiation of electric locomotive silicon, it is characterized in that: the impeller boss (1) that it comprises, fan blade (2) and impeller flange (3), fan blade (2) is evenly arranged on impeller boss (1) periphery according to designing requirement, impeller flange (3) is arranged on one end of impeller boss (1) cylinder bore, draught fan impeller is fixed on silicon radiating motor (4) by impeller flange (3), and silicon radiating motor (4) arranged orthogonal is in electric locomotive silicon sink (5); First adopt respectively Al-Mn system alloy material by impeller flange (3), impeller boss (1), fan blade (2) machine shaping; Then welding tooling location, successively that impeller flange (3), impeller boss (1), fan blade (2) assembled welding processing is shaping according to welding procedure is adopted.
2. according to claim 1 for the draught fan impeller of electric locomotive silicon heat radiation, it is characterized in that: impeller boss (1) adopts the thick high strength Al-Mn serial alloy welding of 5mm to connect machine shaping.
3. according to claim 1 for the draught fan impeller of electric locomotive silicon heat radiation, it is characterized in that: fan blade (2) adopts 5mm thick high strength Al-Mn system alloy, and mould is colded pressing compressing.
4. according to claim 1 for the draught fan impeller of electric locomotive silicon heat radiation, it is characterized in that: impeller flange (3) adopts the alloy machine shaping of 8mm thick high strength Al-Mn system, impeller flange (3) is provided with the screw of more than 2 for fixing.
5. according to claim 1 for the draught fan impeller of electric locomotive silicon heat radiation, it is characterized in that: draught fan impeller distance air duct gap is at 2-3mm.
6., according to claim 1 for the draught fan impeller of electric locomotive silicon heat radiation, it is characterized in that: flabellum diameter: 500+2mm; Flabellum dynamic balancing controls within 4g; Flabellum is heavily 3.0 ± 0.1Kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962684.3U CN205225854U (en) | 2015-11-27 | 2015-11-27 | Be used for radiating fan wheel of electric locomotive silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962684.3U CN205225854U (en) | 2015-11-27 | 2015-11-27 | Be used for radiating fan wheel of electric locomotive silicon |
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| Publication Number | Publication Date |
|---|---|
| CN205225854U true CN205225854U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520962684.3U Active CN205225854U (en) | 2015-11-27 | 2015-11-27 | Be used for radiating fan wheel of electric locomotive silicon |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351249A (en) * | 2015-11-27 | 2016-02-24 | 湖南中通电气股份有限公司 | Fan propeller for silicone element heat dissipation of electric locomotive |
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2015
- 2015-11-27 CN CN201520962684.3U patent/CN205225854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351249A (en) * | 2015-11-27 | 2016-02-24 | 湖南中通电气股份有限公司 | Fan propeller for silicone element heat dissipation of electric locomotive |
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