CN206513602U - A kind of Locomotive Converter cooling ventilation blower - Google Patents
A kind of Locomotive Converter cooling ventilation blower Download PDFInfo
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- CN206513602U CN206513602U CN201720175407.7U CN201720175407U CN206513602U CN 206513602 U CN206513602 U CN 206513602U CN 201720175407 U CN201720175407 U CN 201720175407U CN 206513602 U CN206513602 U CN 206513602U
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- air inlet
- inlet duct
- impeller
- motor
- spiral case
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Abstract
The utility model is related to a kind of Locomotive Converter cooling ventilation blower, including frame, two spiral cases, two air inlet ducts, left and right propeller runner, motor and support bar；The ventilation blower is double centrifugal fans, and air inlet duct uses arc-shaped structure, can reduce air inlet duct and the vortex near wheel disc before impeller；Left and right propeller runner uses wheel disc before arc, improves impeller adiabatic efficiency；And optimizing impeller and air inlet duct gap and impeller rear trochal disc and spiral case bottom plate distance so that blower fan is while the requirement of client space size is met, with good aeroperformance.Ventilation blower part is using the higher steel alloy of intensity, it is ensured that the bulk strength of blower fan can meet locomotive vibration impact requirement.The blower fan structure is simple, stable, and maintenance is convenient.
Description
Technical field
The utility model is related to a kind of Locomotive Converter cooling ventilation blower, it is adaptable to Locomotive Converter system
System, belongs to field of fluid machinery.
Background technology
Locomotive Converter case is to be lifted on train set, and the ventilation blower is installed in current transformer case, in whole wind
Road stage casing, cooling air is provided for heat generating components, meets traction convertor heat exchanger and the ventilation of auxiliary filter transformer dissipates
The need for heat.According to Locomotive Converter air-conditioning requirement, ventilation blower has two running operating points, and flow is 2.4 × 2m3/s
When, static pressure is not less than 1500Pa, and flow is 1.2 × 2m3During/s, static pressure is not less than 375Pa.According to acquisition high efficiency and low noise
Principle, is designed according to tradition ventilation machine, and the installing space and rotating speed of ventilation blower are limited, and fan impeller diameter is not during design
436mm can be more than, existing blower fan structure, flow and pressure are difficult to meet above-mentioned requirements, it is necessary to improve.
The content of the invention
The purpose of this utility model be to overcome the shortcomings of existing ventilation blower technology and defect there is provided one kind it is simple in construction,
Stable, efficiency high and the Locomotive Converter cooling ventilation blower for being easy to maintenance.
The technical solution of the utility model：A kind of Locomotive Converter cooling ventilation blower, including left air inlet duct, left snail
Shell, left-handed impeller, frame, motor, four support bars, right spiral case, dextrorotation impeller and right air inlet duct, it is characterised in that described should
Traction convertor cooling ventilation blower is that the left and right air inlet duct in double centrifugal fans, ventilation blower uses arc-shaped structure；
Left and right air inlet duct and the vortex near the preceding wheel disc of left and right propeller runner can be reduced；
Described left air inlet duct and right air inlet duct are fixed on the front side board of left spiral case and right spiral case by bolt correspondence respectively
On, it is respectively 2mm with the gap of each self-corresponding left and right propeller runner to make its left and right air inlet duct；
The pedestal of described motor is fixed with frame by fastener, and the back side panel of the flange of motor and right spiral case passes through tight
Firmware is fixed；I.e. the front end of motor is arranged in frame by bolt, and motor is threephase asynchronous；Ventilation blower rotating speed is
2920r/min, the vibration in declared working condition point is less than 2.8mm/s；
The pedestal of described motor is fixed with frame by fastener, and the back side panel of the flange of motor and right spiral case passes through tight
Firmware is fixed；
The left axle stretch end of described left-handed impeller press-in motor and fixation, the right axle stretch end of dextrorotation impeller press-in motor are simultaneously solid
It is fixed；The distance between back side panel of the rear trochal disc of left and right propeller runner and left and right spiral case is 20mm；
Described left and right propeller runner uses wheel disc before arc, improves left and right propeller runner efficiency；The left and right propeller runner
In blade from 3mm circular arc bent plates it is compressing, the gap of left and right propeller runner and each self-corresponding left and right air inlet duct is
2mm；
The distance of the rear trochal disc of described left and right propeller runner and left and right spiral case bottom plate is 20mm；The rotation of left and right propeller runner
To on the contrary, a left-handed and dextrorotation, the structure is symmetrical structure.
The utility model includes frame, left and right spiral case, left and right air inlet duct, left and right propeller runner, motor and four support bars, this
Ventilation blower is double centrifugal fans, and this ventilation blower is the double centrifugal fan structures of box-type, and left and right air inlet duct is using circle
Arcuate structure, can reduce air inlet duct and the vortex near wheel disc before impeller, and left and right air inlet duct is each attached on spiral case front side board.It is left
Dextrorotation impeller uses wheel disc before arc, improves impeller adiabatic efficiency.Two impellers are oppositely oriented, a left-handed and dextrorotation,
The structure is symmetrical structure.
The technical essential of this ventilation blower is：Blower fan is in the case where impeller diameter and fan outlet are size-constrained, to blower fan
Wheeling disk structure, impeller and air inlet duct gap and impeller and spiral case bottom plate distance are optimized before air inlet duct and impeller, enter one
Step improves blower pressure, blower fan is had good aeroperformance, meets customer requirement.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model；
Fig. 2 is overlooking the structure diagram of the present utility model；
Fig. 3 is dimensional structure diagram of the present utility model；
In figure：The left air inlet ducts of 1-, the left spiral cases of 2-, the left-handed impellers of 3-, 4- frames, 5- motors, 6- support bars, the right spiral cases of 7-,
8- dextrorotation impellers, the right air inlet ducts of 9-.
Embodiment
Refering to above-mentioned accompanying drawing, a kind of Locomotive Converter cooling ventilation blower, including left air inlet duct 1, left spiral case 2, a left side
Propeller runner 3, frame 4, motor 5, four support bars 6, right spiral case 7, dextrorotation impeller 8 and right air inlet duct 9, it is characterised in that described
The traction convertor cooling ventilation blower is that the left and right air inlet duct 1,9 in double centrifugal fans, ventilation blower uses circular arc
Structure；Left and right air inlet duct 1,9 and the vortex near the preceding wheel disc of left and right propeller runner 3,8 can be reduced；
Described left air inlet duct 1 and right air inlet duct 9 are fixed on before left spiral case 2 and right spiral case 7 by bolt correspondence respectively
On side plate, it is respectively 2mm with the gap of each self-corresponding left and right propeller runner 3,8 to make its left and right air inlet duct 1,9；
The pedestal of described motor 5 is fixed with frame 4 by fastener, and the back side panel of the flange of motor 5 and right spiral case 7 leads to
Fastener is crossed to fix；I.e. the front end of motor 5 is arranged in frame 4 by bolt, and motor 5 is threephase asynchronous；Ventilation blower
Rotating speed is 2920r/min, and the vibration in declared working condition point is less than 2.8mm/s；
The pedestal of described motor 5 is fixed with frame 4 by fastener, and the back side panel of the flange of motor 5 and right spiral case 7 leads to
Fastener is crossed to fix；
The left axle stretch end of the described press-in motor 5 of left-handed impeller 3 and fixation, dextrorotation impeller 8 are pressed into the right axle stretch end of motor 5
And it is fixed；The rear trochal disc of left and right propeller runner 3,8 and left and right spiral case 2, the distance between 7 back side panel are 20mm；
Described left and right propeller runner 3,8 uses wheel disc before arc, improves the left and right efficiency of propeller runner 3,8；This is left and right
Blade in propeller runner 3,8 is compressing from 3mm circular arc bent plates, left and right propeller runner 3,8 with it is each it is self-corresponding it is left and right enter
The gap in air channel 1,9 is 2mm；
The distance of the rear trochal disc of described left and right propeller runner 3,8 and the left and right bottom plate of spiral case 2,7 is 20mm；Left and right vane
Oppositely oriented, a left-handed and dextrorotation for wheel 3,8, the structure is symmetrical structure.
This traction convertor cooling ventilation blower by air inlet duct using arc-shaped structure, impeller use arc before wheel disc,
The organization plan that impeller is 2mm with air inlet duct gap and impeller rear trochal disc is 20mm with spiral case bottom plate distance, optimizes blower fan
Aeroperformance, it is ensured that blower fan is optimal in the aeroperformance of declared working condition point.
The utility model in the case where impeller diameter and ventilation blower outlet size are limited, to ventilation blower or so air inlet duct and
Left and right propeller runner uses wheeling disk structure before arc, improves impeller adiabatic efficiency；And optimize impeller and air inlet duct gap and leaf
Take turns rear trochal disc and spiral case bottom plate distance so that blower fan is while the requirement of client space size is met, with good pneumatic property
Energy.Ventilation blower part is using the higher steel alloy of intensity, it is ensured that the bulk strength of blower fan can meet locomotive vibration impact
It is required that.The blower fan structure is simple, stable, and maintenance is convenient.
Claims (1)
1. a kind of Locomotive Converter cooling ventilation blower, including left air inlet duct（1）, left spiral case（2）, left-handed impeller（3）, machine
Frame（4）, motor（5）, four support bars（6）, right spiral case（7）, dextrorotation impeller（8）With right air inlet duct（9）, it is characterised in that
The traction convertor cooling ventilation blower is the left and right air inlet duct in double centrifugal fans, ventilation blower（1,9）Use
Arc-shaped structure；
Described left air inlet duct（1）With right air inlet duct（9）Left spiral case is fixed on by bolt correspondence respectively（2）With right spiral case（7）
Front side board on, make its left and right air inlet duct（1,9）Respectively with each self-corresponding left and right propeller runner（3,8）Gap be 2mm；
Described motor（5）Pedestal and frame（4）Fixed by fastener, motor（5）Flange and right spiral case（7）Rear side
Plate is fixed by fastener；That is motor（5）Front end by bolt be arranged on frame（4）On, motor（5）For three-phase asynchronous electric
Machine；
Described left-handed impeller（3）It is pressed into motor（5）Left axle stretch end and fixation, dextrorotation impeller（8）It is pressed into motor（5）Right axle
Stretch and hold and fixed；Left and right propeller runner（3,8）Rear trochal disc and left and right spiral case（2,7）The distance between back side panel be 20mm；
Described left and right propeller runner（3,8）Use wheel disc, the left and right propeller runner before arc（3,8）In blade select
3mm circular arc bent plates are compressing, left and right propeller runner（3,8）With each self-corresponding left and right air inlet duct（1,9）Gap be 2mm；
Described left and right propeller runner（3,8）Rear trochal disc and left and right spiral case（2,7）The distance of bottom plate is 20mm；Left and right vane
Wheel（3,8）It is oppositely oriented, one is left-handed with dextrorotation, and the structure is symmetrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175407.7U CN206513602U (en) | 2017-02-27 | 2017-02-27 | A kind of Locomotive Converter cooling ventilation blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175407.7U CN206513602U (en) | 2017-02-27 | 2017-02-27 | A kind of Locomotive Converter cooling ventilation blower |
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| Publication Number | Publication Date |
|---|---|
| CN206513602U true CN206513602U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175407.7U Active CN206513602U (en) | 2017-02-27 | 2017-02-27 | A kind of Locomotive Converter cooling ventilation blower |
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| Country | Link |
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| CN (1) | CN206513602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953175A (en) * | 2018-09-13 | 2018-12-07 | 株洲联诚集团控股股份有限公司 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
-
2017
- 2017-02-27 CN CN201720175407.7U patent/CN206513602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953175A (en) * | 2018-09-13 | 2018-12-07 | 株洲联诚集团控股股份有限公司 | A kind of motor train unit converter forward multiple wing formula riveting double-impeller centrifugal ventilation blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230606 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412000 technical management department, Lianxin group, Tianxin north gate, Shifeng District, Zhuzhou, Hunan Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |