CN203641040U - Special fan for hydroelectric generator set - Google Patents
Special fan for hydroelectric generator set Download PDFInfo
- Publication number
- CN203641040U CN203641040U CN201320647254.3U CN201320647254U CN203641040U CN 203641040 U CN203641040 U CN 203641040U CN 201320647254 U CN201320647254 U CN 201320647254U CN 203641040 U CN203641040 U CN 203641040U
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- Prior art keywords
- impeller
- shaft
- driven shaft
- drive shaft
- rigid drive
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Abstract
The utility model belongs to the field of ventilation devices, and in particular relates to a special fan for a hydroelectric generator set. The fan is characterized in that an electronic cooler is arranged inside a shell and is positioned between an impeller and an air outlet; a shaft hole is crossed-shaped; one end, fixing a driving shaft, of the impeller is connected with a coupling; a driving shaft fixing sheet is arranged at the other end, fixing the driving shaft, of the impeller; the tail of the other end, fixing the driving shaft, of the impeller is of a cross shape matched with the shape of the shaft hole; the other end, fixing the driving shaft, of the impeller penetrates into the shaft hole; one end, fixing a driven shaft, of the impeller is fixed on the shell; the other end, fixing the driven shaft, of the impeller is connected with the other end, fixing the driving shaft, of the impeller; a driven shaft fixing sheet is arranged at the other end, fixing the driven shaft, of the impeller; the driving shaft fixing sheet, the impeller and the driven shaft fixing sheet are locked through screws and nuts. The fan is simple in structure, high in cooling speed, attractive in appearance, and easy to install, repair and maintain.
Description
Technical field
The utility model belongs to ventilation plant field, relates in particular to
oneplant Special fan for hydroelectric generator set.
Background technique
Hydroelectric power unit is the mechanical energy that the potential energy of the water body such as rivers and creeks, lake that is positioned at eminence is converted to water turbine through water turbine, and then the generating of water turbine pushing generator converts mechanical energy to electric energy.Hydroelectric power unit can produce a large amount of heat in the course of the work, need to lean on blower fan air-supply, reduces temperature.At present, there is following problem in the blower fan of hydroelectric power unit: 1, hydroelectric power unit at full capacity or easily occur the condition of high temperature when overload operation in actual use, the cooling rate of blower fan is slow, cannot meet the demand of rapid cooling, in order to guarantee the normal operation of hydroelectric power unit, must reduce the load of hydroelectric power unit, after the load reduction of hydroelectric power unit, generating efficiency significantly reduces, and economic benefit declines; 2, the complex structure of hydroelectric power unit blower fan, installation, maintenance, difficult in maintenance.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides
oneplant Special fan for hydroelectric generator set, comprise casing, motor, coupling, impeller, on described casing, be provided with intake grill and exhaust outlet, the output shaft outside and described motor that described motor is fixed on casing is connected with coupling, described impeller is fixed on the inside of described casing, the periphery that the center of described impeller offers axis hole and impeller is provided with blade, described blade is backward single plate blade, the air outlet angle of described blade is 36 °-38 °, it is characterized in that: also comprise impeller rigid drive shaft, impeller is fixed driven shaft, the inside of described casing is provided with electronic cooler and described electronic cooler between described impeller and exhaust outlet, described axis hole is " ten " font, one end of described impeller rigid drive shaft is connected with coupling, the other end end that the other end of described impeller rigid drive shaft is provided with driving shaft fixed plate and impeller rigid drive shaft is " ten " font matching with described axis hole, the other end of described impeller rigid drive shaft wears in described axis hole, one end of the fixing driven shaft of described impeller is fixed on described casing and its other end is connected with the other end of described impeller rigid drive shaft, the other end of the fixing driven shaft of described impeller is provided with driven shaft fixed plate, described driving shaft fixed plate, impeller, driven shaft fixed plate is locked by screw and nut.
Described intake grill and exhaust outlet are arranged on casing two ends and are positioned on same axis, and described electronic cooler and described exhaust outlet are on same axis.
On described intake grill and exhaust outlet, be respectively arranged with Pneumatic shutters.
The inside of described impeller rigid drive shaft, the fixing driven shaft of impeller is hollow shape.
The other end of the fixing driven shaft of described impeller inserts the other end of described impeller rigid drive shaft and its, and the two is connected by screw thread.
Also comprise driving shaft pad, driven shaft pad, impeller pad, described driving shaft pad is arranged on impeller rigid drive shaft and between driving shaft fixed plate and impeller, described driven shaft pad is arranged on the fixing driven shaft of impeller and between driven shaft fixed plate and impeller, and described impeller pad is arranged in described axis hole and between impeller and impeller rigid drive shaft.
The beneficial effects of the utility model are: impeller is fixed on impeller rigid drive shaft, the fixing driven shaft of impeller, and by driving shaft fixed plate, impeller, the locking of driven shaft fixed plate, rotate by electric machine rotation impeller rigid drive shaft, thereby impeller, the fixing driven shaft of impeller rotate, overall structure is simple, is easy to install, overhauls, safeguards; The other end end of driving shaft is " ten " font, good with the agreeing with property of axis hole, prevents from skidding; The other end of the fixing driven shaft of impeller is connected by screw thread with the other end of impeller rigid drive shaft, and Placement is simple; Driving shaft pad, driven shaft pad, impeller pad prevent that impeller rigid drive shaft, the fixing driven shaft of impeller from directly contacting with impeller, reduces wear; Intake grill and exhaust outlet are arranged on casing two ends and are positioned on same axis, and blower fan is not in the situation that increasing power consumption, and cooling rate is fast; Electronic cooler is further cooling by the air entering from intake grill, and then cold wind is discharged by exhaust outlet, has greatly improved cooling rate, meet the demand of cooling rapidly, meet hydroelectric power unit at full capacity or the requirement of overload operation, improve generated energy, increase economic benefit; On intake grill and exhaust outlet, be respectively arranged with Pneumatic shutters, Pneumatic shutters is with air-flow automatic opening-closing, good dustproof effect, beautiful shape.It is a kind of simple in structure that the utility model provides, and cooling rate is fast, and beautiful shape is easy to the blower fan of installing, overhauling, safeguard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is schematic side view of the present utility model;
Fig. 3 is that master of the present utility model looks schematic diagram;
Fig. 4 is the structural representation of impeller in the utility model;
Fig. 5 is the structural representation of impeller rigid drive shaft in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
In figure, 1-casing, 2-impeller, 3-motor, 4-blade, 5-intake grill, 6-exhaust outlet, 7-electronic cooler, 8-Pneumatic shutters, 9-coupling, 10-axis hole, 11-impeller rigid drive shaft, 12-impeller is fixed driven shaft, 13-driving shaft fixed plate, 14-driven shaft fixed plate, 15-screw, 16-nut, 17-driving shaft pad, 18-driven shaft pad, 19-impeller pad.
Embodiment
As Figure 1-5,
oneplant Special fan for hydroelectric generator set, comprise casing 1, motor 3, coupling 9, impeller 2, impeller rigid drive shaft 11, impeller is fixed driven shaft 12, driving shaft pad 17, driven shaft pad 18, impeller pad 19, the two ends of casing 1 are provided with the intake grill 5 and the exhaust outlet 6 that are positioned on same axis, the inside of casing 1 be provided with and the electronic cooler 7 of exhaust outlet 6 on same axis and electronic cooler 7 between impeller 2 and exhaust outlet 6, on intake grill 5 and exhaust outlet 6, be respectively arranged with Pneumatic shutters 8, motor 3 is fixed on the outside of casing 1 and the output shaft of motor 3 is connected with coupling 9, impeller 2 is fixed on the inside of casing 1, the periphery that the center of impeller 2 offers " ten " font axis hole 10 and impeller 2 is provided with blade 4, blade 4 is backward single plate blade, the air outlet angle of blade 4 is 36 °-38 °, impeller rigid drive shaft 11, the inside of the fixing driven shaft 12 of impeller is hollow shape, one end of impeller rigid drive shaft 11 is connected with coupling 9, the other end end that the other end of impeller rigid drive shaft 11 is provided with driving shaft fixed plate 13 and impeller rigid drive shaft 11 is " ten " font matching with axis hole 10, the other end of impeller rigid drive shaft 11 wears in axis hole 10, one end of the fixing driven shaft 12 of impeller is fixed on casing 1, the other end of the fixing driven shaft 12 of impeller inserts the other end of impeller rigid drive shaft 11 and its, and the two is connected by screw thread, the other end of the fixing driven shaft 12 of impeller is provided with driven shaft fixed plate 14, driving shaft fixed plate 13, impeller 2, driven shaft fixed plate 14 is locked by screw 15 and nut 16, driving shaft pad 17 is arranged on impeller rigid drive shaft 11 and between driving shaft fixed plate 13 and impeller 2, driven shaft pad 18 is arranged on the fixing driven shaft 12 of impeller and between driven shaft fixed plate 14 and impeller 2, impeller pad 19 is arranged in axis hole 10 and between impeller 2 and impeller rigid drive shaft 11.
Working principle
As Figure 1-5, motor 3 drives coupling 9, impeller rigid drive shaft 11, impeller 2, the fixing driven shaft 12 of impeller to rotate after opening, Pneumatic shutters 8 is with air-flow automatic opening-closing, intake grill 5 is arranged on casing 1 two ends and is positioned on same axis with exhaust outlet 6, intake grill 5 is spent direction with the air-flow of exhaust outlet 6 along level 180 and is flowed, the air entering from intake grill 5 is discharged from exhaust outlet 6 through after electronic cooler 7 cooling again, has improved greatly cooling rate.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (6)
1.
oneplant Special fan for hydroelectric generator set, comprise casing (1), motor (3), coupling (9), impeller (2), on described casing (1), be provided with intake grill (5) and exhaust outlet (6), the output shaft outside and described motor (3) that described motor (3) is fixed on casing (1) is connected with coupling (9), described impeller (2) is fixed on the inside of described casing (1), the periphery that the center of described impeller (2) offers axis hole (10) and impeller (2) is provided with blade (4), described blade (4) is backward single plate blade, the air outlet angle of described blade (4) is 36 °-38 °, it is characterized in that: also comprise impeller rigid drive shaft (11), impeller is fixed driven shaft (12), the inside of described casing (1) is provided with electronic cooler (7) and described electronic cooler (7) is positioned between described impeller (2) and exhaust outlet (6), described axis hole (10) is " ten " font, one end of described impeller rigid drive shaft (11) is connected with coupling (9), the other end end that the other end of described impeller rigid drive shaft (11) is provided with driving shaft fixed plate (13) and impeller rigid drive shaft (11) is " ten " font matching with described axis hole (10), the other end of described impeller rigid drive shaft (11) wears in described axis hole (10), one end that described impeller is fixed driven shaft (12) is fixed on upper and its other end of described casing (1) and is connected with the other end of described impeller rigid drive shaft (11), the other end that described impeller is fixed driven shaft (12) is provided with driven shaft fixed plate (14), described driving shaft fixed plate (13), impeller (2), driven shaft fixed plate (13) is by screw (15) and nut (16) locking.
2. according to claim 1
oneplant Special fan for hydroelectric generator set, it is characterized in that: described intake grill (5) is arranged on casing (1) two ends and is positioned on same axis with exhaust outlet (6), described electronic cooler (7) and described exhaust outlet (6) are on same axis.
3. according to claim 1
oneplant Special fan for hydroelectric generator set, it is characterized in that: on described intake grill (5) and exhaust outlet (6), be respectively arranged with Pneumatic shutters (8).
4. according to claim 1
oneplant Special fan for hydroelectric generator set, it is characterized in that: the inside of described impeller rigid drive shaft (11), the fixing driven shaft (12) of impeller is hollow shape.
5. according to claim 4
onekind of Special fan for hydroelectric generator set, is characterized in that: the other end that described impeller is fixed driven shaft (12) inserts the other end of described impeller rigid drive shaft (11) and its, and the two is connected by screw thread.
6. according to claim 5
oneplant Special fan for hydroelectric generator set, it is characterized in that: also comprise driving shaft pad (17), driven shaft pad (18), impeller pad (19), described driving shaft pad (17) is arranged in impeller rigid drive shaft (11) and goes up and be positioned between driving shaft fixed plate (13) and impeller (2), described driven shaft pad (18) is arranged in the fixing driven shaft (12) of impeller and goes up and be positioned between driven shaft fixed plate (14) and impeller (2), described impeller pad (19) is arranged in described axis hole (10) and is positioned between impeller (2) and impeller rigid drive shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647254.3U CN203641040U (en) | 2013-10-21 | 2013-10-21 | Special fan for hydroelectric generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647254.3U CN203641040U (en) | 2013-10-21 | 2013-10-21 | Special fan for hydroelectric generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641040U true CN203641040U (en) | 2014-06-11 |
Family
ID=50872289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647254.3U Expired - Fee Related CN203641040U (en) | 2013-10-21 | 2013-10-21 | Special fan for hydroelectric generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214662A (en) * | 2014-08-27 | 2014-12-17 | 苏州骏发精密机械有限公司 | LED (light-emitting diode) automobile headlamp cover |
-
2013
- 2013-10-21 CN CN201320647254.3U patent/CN203641040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214662A (en) * | 2014-08-27 | 2014-12-17 | 苏州骏发精密机械有限公司 | LED (light-emitting diode) automobile headlamp cover |
| CN104214662B (en) * | 2014-08-27 | 2016-08-17 | 苏州骏发精密机械有限公司 | LED automobile headlight lamp shade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141021 |
|
| EXPY | Termination of patent right or utility model |