CN204113693U - Nuclear power explosion-proof roof fan - Google Patents
Nuclear power explosion-proof roof fan Download PDFInfo
- Publication number
- CN204113693U CN204113693U CN201420519011.6U CN201420519011U CN204113693U CN 204113693 U CN204113693 U CN 204113693U CN 201420519011 U CN201420519011 U CN 201420519011U CN 204113693 U CN204113693 U CN 204113693U
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- China
- Prior art keywords
- flange
- blast cap
- square
- air duct
- opening type
- Prior art date
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- Expired - Fee Related
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Abstract
A kind of nuclear power explosion-proof roof fan, comprises casing, opening type blast cap, blast cap unlatching actuator, flange flange, bird proof net, motor, impeller, self hang down type blinds, protective net and blower fan underframe; The square plate that circular hole is opened at the center of square flange flange is welded on round air duct casing, and the square flange of square flange flange is fixed on the outer side wall on round air duct casing top, and bird proof net is located between round air duct casing upper end and opening type blast cap; Inwall in the middle part of circle air duct casing is also provided with electric machine support, and motor is arranged on electric machine support, and impeller is arranged on the output shaft of motor; Circle air duct casing is arranged on blower fan underframe, is provided with self hang down type blinds and protective net between the two; Opening type blast cap is opened actuator through described blast cap and is opened or close.Opening type blast cap of the present utility model is easy for installation, and the intensity that square flange flange further increases casing in turn saves the use of material, and bird proof net have employed modularization plug-in type demountable structure, and maintenance is convenient.
Description
Technical field
The utility model relates generally to ventilation equipment, particularly relates to a kind of nuclear power explosion-proof roof fan.
Background technique
It is simple that roof-type ventilator has structure, easily manufactured, lower-price characteristic.Under the support energetically of country, nuclear power industry obtains and develops fast, also develops fast as supporting nuclear power ventilator demand, but nuclear power blower fan function and reliability requirement high, so such blower fan structure relative complex, manufacture difficulty is comparatively large and cost is higher.Current nuclear power roof ventilator, its blast cap is made up of two-part of symmetry, and two-part complete unlatching respectively by motor.Although structure is simple, easy to use, the opening device of its blast cap: bearing is arranged on cylindrical casing, needs to install two bearings in the same side of cylindrical casing, and because outer wall is cambered surface, blast cap is installed inconvenient.The second way has side's air duct in the outer surface cover of circular cylinder.Its shortcoming waste material, adds weight and the cost of complete machine.In addition, current nuclear power roof-type ventilator bird proof net used is integral type mechanism, and maintenance is inconvenient.
Model utility content
The purpose of this utility model is the defect overcoming above-mentioned prior art, provides that a kind of blast cap is easy for installation, bird proof net overhauls nuclear power roof ventilator easily.This nuclear power roof ventilator, its blast cap is easy for installation, and square flange flange further increases the intensity of casing, and bird proof net have employed modularization plug-in type demountable structure, and maintenance is convenient.
To achieve these goals, the utility model adopts following technological scheme:
A kind of nuclear power explosion-proof roof fan, comprises casing and is arranged on the opening type blast cap above described casing, also comprises blast cap and opens actuator, flange flange, bird proof net, motor, impeller, self hang down type blinds, protective net and blower fan underframe; Described casing is circle air duct casing, described flange flange is arranged on the top of described round air duct casing, described flange flange is square flange flange, described square flange flange opens the square plate of circular hole by center and square flange forms, the square plate that circular hole is opened at the center of described flange flange is welded on described round air duct casing, the square flange of described flange flange is fixed on the outer side wall on described round air duct casing top, and described bird proof net is located between described round air duct casing upper end and opening type blast cap; Inwall in the middle part of described round air duct casing is also provided with electric machine support, and described motor is arranged on described electric machine support, and described impeller is arranged on the output shaft of described motor; Described round air duct casing is arranged on described blower fan underframe, and be also provided with described self hang down type blinds and protective net between the bottom of described round air duct casing and blower fan underframe, described self hang down type blinds is positioned on protective net; Described opening type blast cap is opened actuator through described blast cap and is opened or close.
The size of the center hole of square flange flange of the present utility model is consistent with the round air duct of circle air duct casing.
Further, actuator opened by described blast cap is two covers, often overlap blast cap unlatching actuator and comprise electric threaded shaft and two rolling bearing units, described two rolling bearing units are arranged on the outer side surface of square flange the same side, and described opening type blast cap is opened actuator's unlatching through the described blast cap of two covers of connecting fan underframe and opening type blast cap or closes.
Because two rolling bearing units being positioned at square flange the same side are identical with the distance of square flange and outer wall that is square flange is plane, this flange is square favourable installation rolling bearing units, and because the width of square flange is slightly larger than bearing installation dimension, can conveniently rolling bearing units be directly installed on the square flange of flange flange.When blast cap is opened, rolling bearing units are played a supporting role to blast cap, and namely square flange flange can play the use that the function strengthening case strength in turn saves material.
Further, the profile of described opening type blast cap is streamlined, and it is bowed and sees and be square.
Further, described opening type blast cap comprises square stainless steel stiffening rib framework and the streamlined cap body of opening type, the bottom of described opening type streamlined cap body and the edge conjunction of described square stainless steel stiffening rib framework, the streamlined cap body of described opening type comprises the cap body framework that stainless steel stiffening rib is made and the thin plate be layed on cap body framework.
Further, described bird proof net is made up of quadra and multiple small modular mesh sheet, described multiple small modular mesh sheet is removably mounted on the surrounding of described quadra through plug-in type, to form a vent hole mated with square flange flange size at the middle part of quadra.
Nuclear power explosion-proof roof fan tool of the present utility model has the following advantages: opening type blast cap is easy for installation, the intensity that square flange flange further increases casing in turn saves the use of material, bird proof net have employed modularization plug-in type demountable structure, and maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is nuclear power explosion-proof roof fan structural representation of the present utility model.
Fig. 2 is cap structure schematic diagram of the present utility model.
Fig. 3 is the worm's eye view of the cap structure of Fig. 2.
Fig. 4 is the structural representation of flange flange of the present utility model.
Fig. 5 is square flange flange schematic side view.
Fig. 6 is flange flange bird proof net structural representation of the present utility model.
Fig. 7 is modularization mesh sheet structural representation.
In figure, the square flange of the square plate of circular hole, 31-flange flange is opened at the center of 1-blast cap, 2-bird proof net, 3-flange flange, 4-casing, 5-electric machine support, 6-motor, 7-impeller, 8-blast cap unlatching actuator, 9-self hang down type blinds, 10-protective net, 11-blower fan underframe, 12-modularization mesh sheet, 13-bearing support, 14-electric threaded shaft, 15-square stainless steel stiffening rib framework, 16-opening type streamlined cap body, 17-quadra, 32-flange flange.Arrow in Fig. 1 and Fig. 2 represents the opening direction of blast cap.
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Nuclear power explosion-proof roof fan as shown in Figure 1, the opening type blast cap 1 comprising casing 4 and be arranged on above described casing, also comprises blast cap and opens actuator 8, flange flange 3, bird proof net 2, motor 6, impeller 7, self hang down type blinds 9, protective net 10 and blower fan underframe 11; Described casing 4 is circle air duct casing, described flange flange 3 is arranged on the top of described round air duct casing 4, described flange flange 3 is square flange flange, described square flange flange 3 opens the square plate 32 of circular hole by center and square flange 31 forms (as shown in Figure 4 and Figure 5), the square plate 32 that circular hole is opened at the center of described flange flange 3 is welded on described round air duct casing 4, the square flange 31 of described flange flange 3 is fixed on the outer side wall on described round air duct casing 4 top, and described bird proof net 2 is located between described round air duct casing 4 upper end and opening type blast cap 1; Inwall in the middle part of described round air duct casing 4 is also provided with electric machine support 5, and described motor 6 is arranged on described electric machine support 5, and described impeller 7 is arranged on the output shaft of described motor 6; Described round air duct casing 4 is arranged on described blower fan underframe 11, and be also provided with described self hang down type blinds 9 and protective net 10 between the bottom of described round air duct casing 4 and blower fan underframe 11, described self hang down type blinds 9 is positioned on protective net 10; Described opening type blast cap 1 is opened actuator 8 through described blast cap and is opened or close.
Further, actuator 8 opened by described blast cap is two covers, often overlap blast cap unlatching actuator 8 and comprise electric threaded shaft 14 and two rolling bearing units 13, described two rolling bearing units 13 are arranged on the outer side surface of square flange 31 the same side, and described opening type blast cap 1 is opened through the two covers described blast cap unlatching actuator 8 of connecting fan underframe 11 and opening type blast cap 1 or closed.
Because two rolling bearing units being positioned at square flange the same side are identical with the distance of square flange and outer wall that is square flange is plane, this flange is square favourable installation rolling bearing units, and because the width of square flange is slightly larger than bearing installation dimension, can conveniently rolling bearing units be directly installed on the square flange of flange flange.When blast cap is opened, rolling bearing units are played a supporting role to blast cap, and namely square flange flange can play the use that the function strengthening case strength in turn saves material.
Further, as shown in Figures 2 and 3, the profile of described opening type blast cap 1 is streamlined, and it is bowed and sees and be square.
Further, as shown in Figures 2 and 3, described opening type blast cap 1 comprises square stainless steel stiffening rib framework 15 and the streamlined cap body 16 of opening type, the bottom of described opening type streamlined cap body 16 and the edge conjunction of described square stainless steel stiffening rib framework 15, the streamlined cap body 16 of described opening type comprises the cap body framework 19 that stainless steel stiffening rib is made and the thin plate be layed on cap body framework.
Further, as shown in Figure 6 and Figure 7, described bird proof net 2 is made up of quadra 17 and multiple small modular mesh sheet 12, described multiple small modular mesh sheet 12 is removably mounted on the surrounding of described quadra 17 through plug-in type, to form a vent hole 18 mated with square flange flange 3 size at the middle part of quadra 17.
Nuclear power explosion-proof roof fan tool of the present utility model has the following advantages: opening type blast cap is easy for installation, the intensity that square flange flange further increases casing in turn saves the use of material, bird proof net have employed modularization plug-in type demountable structure, and maintenance is convenient.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (5)
1. a nuclear power explosion-proof roof fan, comprise casing and be arranged on the opening type blast cap above described casing, it is characterized in that, also comprise blast cap and open actuator, flange flange, bird proof net, motor, impeller, self hang down type blinds, protective net and blower fan underframe; Described casing is circle air duct casing, described flange flange is arranged on the top of described round air duct casing, described flange flange is square flange flange, described square flange flange opens the square plate of circular hole by center and square flange forms, the square plate that circular hole is opened at the center of described flange flange is welded on the madial wall on described round air duct casing top, the square flange of described flange flange is fixed on the outer side wall on described round air duct casing top, and described bird proof net is located between described round air duct casing upper end and opening type blast cap; Inwall in the middle part of described round air duct casing is also provided with electric machine support, and described motor is arranged on described electric machine support, and described impeller is arranged on the output shaft of described motor; Described round air duct casing is arranged on described blower fan underframe, and be also provided with described self hang down type blinds and protective net between the bottom of described round air duct casing and blower fan underframe, described self hang down type blinds is positioned on protective net; Described opening type blast cap is opened actuator through described blast cap and is opened or close.
2. nuclear power explosion-proof roof fan as claimed in claim 1, it is characterized in that, actuator opened by described blast cap is two covers, often overlap blast cap unlatching actuator and comprise electric threaded shaft and two rolling bearing units, described two rolling bearing units are arranged on the outer side surface of square flange the same side, and described opening type blast cap is opened actuator's unlatching through the described blast cap of two covers of connecting fan underframe and opening type blast cap or closes.
3. nuclear power explosion-proof roof fan as claimed in claim 1, it is characterized in that, the profile of described opening type blast cap is streamlined, and it is bowed and sees and be square.
4. the nuclear power explosion-proof roof fan as described in claim 1 or 3, it is characterized in that, described opening type blast cap comprises square stainless steel stiffening rib framework and the streamlined cap body of opening type, the bottom of described opening type streamlined cap body and the edge conjunction of described square stainless steel stiffening rib framework, the streamlined cap body of described opening type comprises the cap body framework that stainless steel stiffening rib is made and the thin plate be layed on cap body framework.
5. nuclear power explosion-proof roof fan as claimed in claim 1, it is characterized in that, described bird proof net is made up of quadra and multiple small modular mesh sheet, described multiple small modular mesh sheet is removably mounted on the surrounding of described quadra through plug-in type, to form a vent hole mated with square flange flange size at the middle part of quadra.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519011.6U CN204113693U (en) | 2014-09-10 | 2014-09-10 | Nuclear power explosion-proof roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519011.6U CN204113693U (en) | 2014-09-10 | 2014-09-10 | Nuclear power explosion-proof roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113693U true CN204113693U (en) | 2015-01-21 |
Family
ID=52331008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420519011.6U Expired - Fee Related CN204113693U (en) | 2014-09-10 | 2014-09-10 | Nuclear power explosion-proof roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113693U (en) |
-
2014
- 2014-09-10 CN CN201420519011.6U patent/CN204113693U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20170910 |