CN208024586U - A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan - Google Patents
A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan Download PDFInfo
- Publication number
- CN208024586U CN208024586U CN201820072217.7U CN201820072217U CN208024586U CN 208024586 U CN208024586 U CN 208024586U CN 201820072217 U CN201820072217 U CN 201820072217U CN 208024586 U CN208024586 U CN 208024586U
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- impeller
- air inlet
- mounting base
- inlet duct
- spiral case
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Abstract
The utility model is related to a kind of Light Rail Rapid Transit vehicle traction convertor cooling fans, including driving motor, impeller, air inlet duct, spiral case, mounting base, it is characterised in that the Light Rail Rapid Transit vehicle traction convertor cooling fan is centrifugal fan；The mounting base is connected and fixed by bolt and spiral case end, and motor is connected and fixed by bolt and mounting base, and reinforcing rib is provided in mounting base, improves wind turbine rigidity；Fixation is bolted with spiral case in the wind turbine air inlet duct, and impeller is receded disk impeller, and air inlet duct ensures, in 4-6mm, to ensure that wind turbine reaches performance requirement, while having good aeroperformance, meet customer requirement with impeller front-wheel dish gap；Core wheel is connect with impeller rear trochal disc using riveting method, and assembly and disassembly are more convenient.
Description
Technical field
The utility model is related to a kind of Light Rail Rapid Transit vehicle traction convertor cooling fans, belong to rail traffic fluid machinery neck
Domain.
Background technology
Currently, traction convertor is located at the bottom of Light Rail Rapid Transit vehicle, the cooling fan be in current transformer operation process into
The cooling heat dissipation of row.The vehicle is to meet the market requirement, and improves vehicle performance and speed.The wind turbine is in defined static pressure of fan
Under, corresponding flow should be not less than 0.212m3/s, and under defined flow, the static pressure of corresponding ventilation blower should be not less than
2366Pa.According to high efficiency and low noise principle is obtained, being designed according to conventional fan, the installation space and rotating speed of wind turbine are limited,
Draught fan impeller diameter cannot be more than 286 mm when design；Due to by electric locomotive auxiliary transformer cabinet itself size and peace
Fill the constraint in space, it is desirable that the size of cooling fan is smaller.Meanwhile in order to realize the good drop of electric locomotive auxiliary transformer
Temp effect also requires cooling fan to provide air quantity as much as possible.To solve the above-mentioned problems, in addition to increase air duct internal diameter,
The excellent impeller outer of design air power performance also needs to ensure that air will not be blocked in the process of circulation and air quantity is caused to damage
It loses；Urgent need is improved current cooling fan.
Invention content
The purpose of the utility model is to overcome the deficiency of prior art and defects, provide one kind
Stable, low noise, aeroperformance be good, efficient and light-weighted Light Rail Rapid Transit vehicle traction convertor cooling
Ventilation blower
The technical solution of the utility model：A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan, including spiral case, leaf
Wheel, air inlet duct, mounting base, driving motor and terminal box, it is characterised in that：The spiral case and air inlet duct, spiral case and mounting base
And driving motor is all made of with mounting base and is bolted fixation；That is the air inlet left plate of spiral case passes through bolt and air inlet duct left end
It is connected and fixed, the right plate of spiral case is connected and fixed by bolt and mounting base；The mounting base is connect by bolt with driving motor
It is fixed；Driving motor drives impeller rotation, and cooling wind is provided for traction convertor；
The mounting base is equipped with reinforcing rib and lightening hole, makes which ensure that wind turbine intensity, also mitigates the weight of wind turbine；
The axle stretch end of the impeller indentation driving motor is fixed by fastener；Between the preceding wheel disc and air inlet duct of impeller
Reduce air inlet duct and the vortex near preceding wheel disc under the premise of impeller and air inlet duct do not collide equipped with gap, keeps it logical
Wind turbine has good aeroperformance；Impeller includes preceding wheel disc, blade, rear trochal disc, core wheel and rivet, wherein preceding wheel disc, blade
It is welded as overall structure with rear trochal disc and passes through rivet interlacement with core wheel；The core wheel of impeller and the shaft end of driving motor pass through fastener
It is connected and fixed；Core wheel is used with impeller rear trochal disc and is fixed by rivet, keeps its assembly and disassembly convenient.
The Light Rail Rapid Transit vehicle traction convertor is multiple wing type centrifugal formula cooling fan with cooling fan.
Gap between the preceding wheel disc and air inlet duct is 4-6mm.
The spiral case of the utility model is all made of bolt company with air inlet duct, spiral case and mounting base and driving motor and mounting base
Connect fixation；Mounting base is equipped with reinforcing rib and lightening hole, makes which ensure that wind turbine rigidity, also mitigates the weight of wind turbine；Impeller is
Receded disk impeller is equipped with gap before impeller between wheel disc and air inlet duct, reduce air inlet duct and the vortex near preceding wheel disc, make its wind
Machine reaches performance requirement, and core wheel is used with impeller rear trochal disc and fixed by rivet, keeps its assembly and disassembly convenient；This cooling
Ventilation blower has the advantages that stable, low noise, aeroperformance are good, efficient and light-weighted, meets customer requirement.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the right side structural representation of the utility model；
Fig. 3 is impeller side structure schematic view；
Fig. 4 is blade wheel structure schematic diagram；
In figure：1- spiral cases, 2- impellers, 3- air inlet ducts, 4- mounting bases, 5- driving motors, 6- terminal boxes, wheel disc before 11-,
12- blades, 13- rear trochal discs, 14- core wheels, 15- rivets.
Specific implementation mode
The embodiment of the present invention is described further in conjunction with attached drawing.
A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan, including spiral case 1, impeller 2, air inlet duct 3, mounting base 4,
Driving motor 5 and terminal box 6, it is characterised in that：
The spiral case 1 is all made of bolt company with air inlet duct 3, spiral case 1 and mounting base 4 and driving motor 5 with mounting base 4
Connect fixation；I.e. the air inlet left plate of spiral case 1 is connected and fixed by bolt and 3 left end of air inlet duct, and the right plate of spiral case 1 passes through bolt
It is connected and fixed with mounting base 4；The mounting base 4 is connected and fixed by bolt and driving motor 5；Driving motor 5 drives impeller rotation,
Cooling wind is provided for traction convertor；
The mounting base 4 is equipped with reinforcing rib and lightening hole, makes which ensure that wind turbine intensity, also mitigates the weight of wind turbine
Amount；
The axle stretch end that the impeller 2 is pressed into driving motor 5 is fixed by fastener；The preceding wheel disc 11 of impeller 2 and air inlet
It is equipped with gap between road 3, under the premise of impeller and air inlet duct do not collide, reduces air inlet duct and the whirlpool near preceding wheel disc 11
Stream makes its ventilation blower have good aeroperformance；Impeller 2 includes preceding wheel disc 11, blade 12, rear trochal disc 13, core wheel 14 and riveting
Nail 15, wherein preceding wheel disc 11, blade 12 and rear trochal disc 13 are welded as overall structure and are connect by rivet 15 with core wheel 14；Impeller
Core wheel 14 and the shaft end of driving motor 5 be connected and fixed by fastener；Core wheel 14 is used with impeller rear trochal disc 13 passes through rivet
15 rivetings are fixed, and keep its assembly and disassembly convenient；This Light Rail Rapid Transit vehicle traction convertor is multiple wing type centrifugal with cooling fan
Formula cooling fan；Gap between the preceding wheel disc 11 and air inlet duct 3 is 4-6mm.Driving motor 5 drives impeller 2 to rotate,
Cooling wind is provided for traction convertor.
The spiral case of the utility model is all made of bolt company with air inlet duct, spiral case and mounting base and driving motor and mounting base
Connect fixation；Mounting base is equipped with reinforcing rib and lightening hole, makes which ensure that wind turbine rigidity, also mitigates the weight of wind turbine；Impeller is
Receded disk impeller is equipped with gap before impeller between wheel disc and air inlet duct, reduce air inlet duct and the vortex near preceding wheel disc, make its wind
Machine reaches performance requirement, and core wheel is used with impeller rear trochal disc and fixed by rivet, keeps its assembly and disassembly convenient；This cooling
Ventilation blower has the advantages that stable, low noise, aeroperformance are good, efficient and light-weighted, meets customer requirement.
Claims (2)
1. a kind of Light Rail Rapid Transit vehicle traction convertor cooling fan, including spiral case（1）, impeller（2）, air inlet duct（3）, mounting base
（4）, driving motor（5）And terminal box（6）, it is characterised in that：
The spiral case（1）With air inlet duct（3）, spiral case（1）With mounting base（4）And driving motor（5）With mounting base（4）Adopt
It is joined with bolts；That is spiral case（1）Air inlet left plate pass through bolt and air inlet duct（3）Left end is connected and fixed, spiral case（1）'s
Right plate passes through bolt and mounting base（4）It is connected and fixed；The mounting base（4）Pass through bolt and driving motor（5）It is connected and fixed；It drives
Dynamic motor（5）Impeller rotation is driven, cooling wind is provided for traction convertor；
The mounting base（4）Equipped with reinforcing rib and lightening hole, make which ensure that wind turbine intensity, also mitigates the weight of wind turbine；
The impeller（2）It is pressed into driving motor（5）Axle stretch end fixed by fastener；Impeller（2）Preceding wheel disc（11）With
Air inlet duct（3）Between be equipped with gap, under the premise of impeller and air inlet duct do not collide, reduce air inlet duct and preceding wheel disc（11）
Neighbouring vortex makes its ventilation blower have good aeroperformance；Impeller（2）Including preceding wheel disc（11）, blade（12）, rear trochal disc
（13）, core wheel（14）And rivet（15）, wherein preceding wheel disc（11）, blade（12）And rear trochal disc（13）Be welded as overall structure with
Core wheel（14）Pass through rivet（15）Connection；The core wheel of impeller（14）With driving motor（5）Shaft end be connected and fixed by fastener；
Core wheel（14）With impeller rear trochal disc（13）Using passing through rivet（15）Riveting is fixed, and keeps its assembly and disassembly convenient；
The Light Rail Rapid Transit vehicle traction convertor cooling fan is multiple wing type centrifugal formula cooling fan.
2. a kind of Light Rail Rapid Transit vehicle traction convertor cooling fan as described in claim 1, it is characterised in that before described
Wheel disc（11）With air inlet duct（3）Between gap be 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072217.7U CN208024586U (en) | 2018-01-17 | 2018-01-17 | A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072217.7U CN208024586U (en) | 2018-01-17 | 2018-01-17 | A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024586U true CN208024586U (en) | 2018-10-30 |
Family
ID=63900955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820072217.7U Active CN208024586U (en) | 2018-01-17 | 2018-01-17 | A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208024586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340156A (en) * | 2018-12-06 | 2019-02-15 | 株洲联诚集团控股股份有限公司 | Mine car mechanical traction system cooling fan |
-
2018
- 2018-01-17 CN CN201820072217.7U patent/CN208024586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340156A (en) * | 2018-12-06 | 2019-02-15 | 株洲联诚集团控股股份有限公司 | Mine car mechanical traction system cooling fan |
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