CN204283970U - The protective equipment of axial-flow blower - Google Patents
The protective equipment of axial-flow blower Download PDFInfo
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- CN204283970U CN204283970U CN201420763539.8U CN201420763539U CN204283970U CN 204283970 U CN204283970 U CN 204283970U CN 201420763539 U CN201420763539 U CN 201420763539U CN 204283970 U CN204283970 U CN 204283970U
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- Prior art keywords
- axial
- rotating shaft
- flow blower
- blade
- protective equipment
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- 230000001681 protective effect Effects 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- -1 sleet Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a kind of protective equipment of axial-flow blower, comprises housing, rotating shaft and blade; Rotating shaft is connected on housing, and the exhaust outlet of housing and axial-flow blower removably connects; Blade comprises connecting end and free end, and blade is arranged in rotating shaft by connecting end, and free end in the raw; Blade with the axis of rotating shaft for axle rotates, for the exhaust outlet of axial-flow blower is blocked or opens.It is reasonable in design, structure is simple, with low cost, effectively can prevent sand and dust, sleet from damaging for the axial-flow blower of forced air cooling and the electrical equipment of wind power generating set inside, thus reduce maintenance cost, there is the advantage of good economic value.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly a kind of protective equipment of axial-flow blower.
Background technique
Along with the continuous progress of science and technology and improving constantly of people's energy-conserving and environment-protective consciousness, the proportion of wind-power electricity generation shared by power field also increases greatly.
The operation of wind power generating set equipment usually runs into the puzzlement of high temperature, needs to adopt axial-flow blower to carry out forced air cooling to unit, to solve the too high problem of unit temperature.Axial-flow blower works under often piling up the rugged environment such as sand and dust, sleet, sand and dust, and sleet usually can enter axial-flow blower and even enter tower barrel of wind generating set inside by axial-flow blower, causes damage to axial-flow blower itself and unit internal electric equipment.
Model utility content
The purpose of this utility model is to provide a kind of protective equipment of reasonable in design, the simple axial-flow blower of structure, is used for axial-flow blower and the wind power generating set tower body internal electric equipment of wind power generating set forced air cooling in order to protection effectively.
For achieving the above object, the technological scheme that the utility model adopts is:
A protective equipment for axial-flow blower, comprises housing, rotating shaft and blade;
Described rotating shaft is connected on described housing, and the exhaust outlet of described housing and axial-flow blower removably connects;
Described blade comprises connecting end and free end, and described blade is arranged in described rotating shaft by described connecting end, and described free end in the raw;
Described blade with the axis of described rotating shaft for axle rotates, for the exhaust outlet of axial-flow blower is blocked or opens.
More preferably, described rotating shaft and blade are identical multiple and install correspondingly, and described multiple shaft parallel is arranged.
More preferably, except rotating shaft bottom, the free end of the blade in all the other rotating shafts is overlapped on the connecting end of its lower end adjacent blades respectively.
More preferably, be arranged in parallel equally spacedly between described multiple rotating shaft.
More preferably, the external shape of the described connecting end of described blade is cylindric;
The described free end of described blade is the semicircle arcuation suitable with the external shape of described connecting end.
More preferably, the two ends of described rotating shaft are all fixedly connected with described housing;
Described connecting end is provided with mounting hole, and described blade is sleeved in described rotating shaft by described mounting hole, and rotates relative to described rotating shaft centered by the axis of described rotating shaft.
More preferably, described connecting end is arranged the opening connected with described mounting hole.
More preferably, the shape of described housing and the exhaust outlet of axial-flow blower match.
More preferably, described housing is bolted to connection on the exhaust outlet of axial-flow blower.
More preferably, the some antitheft column be fixedly connected in described housing is also comprised;
Described some antitheft columns are vertical with described rotating shaft, and spaced set.
By adopting blade with the axis of rotating shaft for axle rotates, the utility model is had the mode that the exhaust outlet of axial-flow blower blocks or opens: reasonable in design, structure is simple, with low cost, can effectively prevent sand and dust, sleet from damaging for the axial-flow blower of forced air cooling and the electrical equipment of wind power generating set inside, thus reduce maintenance cost, there is the advantage of good economic value.
Accompanying drawing explanation
Fig. 1 is the protective equipment connection diagram of the axial-flow blower of the utility model embodiment;
Fig. 2 is the blower fan working state schematic representation of the protective equipment of axial-flow blower of the present utility model;
Fig. 3 is the blower fan state of rest schematic diagram of the protective equipment of axial-flow blower of the present utility model;
Fig. 4 is the schematic diagram of Fig. 1 Leaf structure;
Fig. 5 is the schematic diagram of rotating shaft arrangement;
Fig. 6 is the schematic diagram that antitheft column is arranged;
Wherein: 1-housing; 2-rotating shaft; 3-blade; The exhaust outlet of 4-axial-flow blower; 5-connecting end; 6-free end; 7-first rotating shaft; 8-second rotating shaft; 9-N rotating shaft; 10-first blade; 11-second blade; 12-N blade; 13-mounting hole; 14-opening; The antitheft column of 15-.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, be further elaborated below in conjunction with the protective equipment of drawings and Examples to axial-flow blower of the present utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1,2,3, 4, according to the protective equipment of a kind of axial-flow blower of exemplary embodiment of the present utility model, comprise housing 1, rotating shaft 2 and blade 3.
Wherein, rotating shaft 2 is connected on housing 1, and housing 1 removably connects with the exhaust outlet 4 of axial-flow blower.Blade 3 comprises connecting end 5 and free end 6, and blade 3 is arranged in rotating shaft 2 by connecting end 5, and free end 6 in the raw.Blade 3 with the axis of rotating shaft 2 for axle rotates, for the exhaust outlet 4 of axial-flow blower is blocked or opens.
Particularly, housing 1 can adopt standard sections such as angle steel or steel plate butt welding to make, rotating shaft can adopt the trade mark to be that the material of the round steel of Q235A or other more high strength makes, blade 3 can adopt standard aluminium profile common on market, make the making of this protective equipment become very simple like this, and cost is lower.
Blade 3 is with the axis of rotating shaft 2 for axle rotates, and blade 3 and rotating shaft 2 jointly rotate or blade 3 rotates relative to rotating shaft 2.Global shape after blade 3 installation and housing 1 are consistent.
The working procedure of described protective equipment is: housing 1 is fixed on exhaust outlet 4 place of axial-flow blower by connection standard part, covers exhaust outlet 4 completely, forms a working zone.When axial-flow blower is in running order, blade 3 under distinguished and admirable effect with the axis of rotating shaft 2 for axle rotates to the position vertical with the outlet air surface of the exhaust outlet 4 of axial-flow blower, make this protective equipment be in open mode, effect external dust or sleet now owing to there being wind-force can not enter axial-flow blower.When axial-flow blower quits work (namely remaining static), axial-flow blower is not had not have distinguished and admirablely to be applied on blade 3, now blade 3 is naturally drooped by the Action of Gravity Field of its free end 6, namely with the axis of rotating shaft 2 for axle rotates to the position parallel with the outlet air surface of the exhaust outlet 4 of axial-flow blower, the exhaust outlet 4 of axial-flow blower blocks by blade 3, protective equipment is in closed condition, due to axial-flow blower remain static time, blade 3 blocks dust or sleet and enters in axial-flow blower and then it also avoid dust or sleet enters generator set inside by axial-flow blower, maintenance cost is reduced greatly.
Preferably, rotating shaft 2 is identical multiple with blade 3, and one_to_one corresponding is installed, and multiple rotating shaft 2 be arranged in parallel.In addition, preferably, except rotating shaft bottom, the free end of the blade in all the other rotating shafts is overlapped on the connecting end of its lower end adjacent blades respectively.
As shown in Figure 5, the quantity of rotating shaft 2 is two or more, is respectively the first rotating shaft 7, second rotating shaft 8... N rotating shaft 9, wherein N be more than or equal to 2 integer;
First rotating shaft 7, second rotating shaft 8... N rotating shaft 9 is arranged in order and be arranged in parallel;
The quantity of blade 3 is equal with the quantity of rotating shaft 2 and install with rotating shaft one_to_one corresponding, is respectively the first blade 10, second blade 11... N blade 12;
The free end 6 of the first blade 10 is overlapped on the connecting end 5 of the second blade 11,
The free end 6 of N-1 blade (for illustrating) is overlapped on the connecting end 5 of N blade 12.
Because the area of the outlet air surface of the exhaust outlet 4 of axial-flow blower is relatively large, if adopt the scheme of a blade 3, so blade 3 needs the comparatively large of making, and now the weight of blade 3 is relatively large, is unfavorable for opening under the wind-force effect of axial-flow blower.Therefore, the quantity of rotating shaft 2 is two or more, the quantity of blade 3 is equal with the quantity of rotating shaft 2 and install with rotating shaft one_to_one corresponding, achieve the miniaturization of blade 3, light-duty design demand, blade 3 can be opened easily under the distinguished and admirable effect of axial-flow blower, ensure that the normal job requirement of axial-flow blower.Mutually overlap between adjacent blades 3, you can ensure the leakproofness that the exhaust outlet 4 of blade 3 pairs of axial-flow blowers blocks, thus make protection effect become better.
Further, be arranged in parallel equally spacedly between described multiple rotating shaft 2.Particularly, the distance between the axis of the first rotating shaft 7 and the axis of the second rotating shaft 8 equals ... equal the distance between the axis of N-1 rotating shaft and the axis of N rotating shaft 9.
N blade 12 can be designed to identical specification for such first blade 10, second blade 11 ..., namely blade 3 can adopt the section bar of same size, only need intercept different length according to actual conditions and its two ends are made into the shape suitable with housing 1.
As a kind of embodiment, as shown in Figure 4, the external shape of the connecting end 5 of blade 3 is cylindric; The free end 6 of blade 3 is the semicircle arcuation suitable with the external shape of connecting end 5.
That is, the free end 6 of the first blade 10 and the connecting end 5 of the second blade 11 is suitable ... the free end 6 of N-1 blade and the connecting end 5 of N blade 12 suitable, be that overlap joint between adjacent blades 3 becomes more tight like this, thus ensure that protection effect.
As a kind of embodiment, the two ends of rotating shaft 2 are all fixedly connected with housing 1, and connecting end 6 arranges mounting hole 13, and blade 3 is sleeved in rotating shaft 2 by mounting hole 13, and rotate relative to rotating shaft 2 centered by the axis of rotating shaft 2.
During installation, first can produce mounting hole (for illustrating) on housing 1, rotating shaft 2 is entered in housing 1 by mounting hole, along with blade 3 is sleeved in rotating shaft 2 by entering in housing of rotating shaft 2, then the rotating shaft 2 that blade 3 is housed is welded on housing 1, finally cuts away unnecessary part that rotating shaft 2 remains in housing 1 outside and only retain rotating shaft in housing 1.
Further, connecting end 6 is arranged the opening 14 connected with mounting hole 13.
Impurity so at work between the inwall of mounting hole 13 and rotating shaft 2 can be discharged by opening 14, avoids occurring that the impurity between the inwall of mounting hole 13 and rotating shaft 2 stockpiles the rotation counteracting blade, ensure that the flexibility of blade rotary.
As a kind of embodiment, the shape of housing 1 and the exhaust outlet 4 of axial-flow blower match.
In real work, exhaust outlet 4 great majority of axial-flow blower are all cylindric, and therefore housing 1 can be made into the circle matched with cylinder section, when being not limited to this, also according to actual needs housing 1 can be made into square or other shape.Be conducive to the Miniaturization Design of housing 1, thus make protective equipment become more exquisite, reduce cost.
Housing 1 is fixedly connected on the exhaust outlet 4 of axial-flow blower by bolt.
In real work, the exhaust outlet 4 of axial-flow blower, when dispatching from the factory, all arranges flange plate mostly, and housing 1 can arrange the flange plate matched with the exhaust outlet 4 of axial-flow blower, is then fixedly connected on the exhaust outlet 4 of axial-flow blower by standard bolt.Wherein the connection of flange plate is one of modal Placement in mechanical field, therefore describes in detail no longer one by one herein.
More preferably, described protective equipment also comprises the some antitheft column 15 be fixedly connected in housing 1;
Some antitheft columns 15 are vertical with rotating shaft 2, and spaced set.
Antitheft column 15 can be arranged on rotating shaft 2 side relative with the moving direction of blade 3, and antitheft like this column 15 can not hinder the rotation of blade 3, and the distance between the axis of adjacent antitheft column 15 is equal, and distance value is determined according to actual demand.
In sum, the protective equipment of the axial-flow blower that above embodiment provides has the following advantages: reasonable in design, structure is simple, with low cost, can effectively prevent sand and dust, sleet from damaging for the axial-flow blower of forced air cooling and the electrical equipment of wind power generating set inside, thus reduce maintenance cost, there is good economic value.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a protective equipment for axial-flow blower, is characterized in that:
Comprise housing, rotating shaft and blade;
Described rotating shaft is connected on described housing, and the exhaust outlet of described housing and axial-flow blower removably connects;
Described blade comprises connecting end and free end, and described blade is arranged in described rotating shaft by described connecting end, and described free end in the raw;
Described blade with the axis of described rotating shaft for axle rotates, for the exhaust outlet of axial-flow blower is blocked or opens.
2. the protective equipment of axial-flow blower according to claim 1, is characterized in that:
Described rotating shaft and blade are identical multiple and install correspondingly, and described multiple shaft parallel is arranged.
3. the protective equipment of axial-flow blower according to claim 2, is characterized in that:
Except rotating shaft bottom, the free end of the blade in all the other rotating shafts is overlapped on the connecting end of its lower end adjacent blades respectively.
4. the protective equipment of axial-flow blower according to claim 3, is characterized in that:
Be arranged in parallel equally spacedly between described multiple rotating shaft.
5. the protective equipment of axial-flow blower according to claim 4, is characterized in that:
The external shape of the described connecting end of described blade is cylindric;
The described free end of described blade is the semicircle arcuation suitable with the external shape of described connecting end.
6. the protective equipment of the axial-flow blower according to claim 1 to 5 any one, is characterized in that:
The two ends of described rotating shaft are all fixedly connected with described housing;
Described connecting end is provided with mounting hole, and described blade is sleeved in described rotating shaft by described mounting hole, and rotates relative to described rotating shaft centered by the axis of described rotating shaft.
7. the protective equipment of axial-flow blower according to claim 6, is characterized in that:
Described connecting end is arranged the opening connected with described mounting hole.
8. the protective equipment of the axial-flow blower according to claim 1 to 5 any one, is characterized in that:
The shape of described housing and the exhaust outlet of axial-flow blower match.
9. the protective equipment of axial-flow blower according to claim 8, is characterized in that:
Described housing is bolted to connection on the exhaust outlet of axial-flow blower.
10. the protective equipment of the axial-flow blower according to claim 1 to 5 any one, is characterized in that:
Also comprise the some antitheft column be fixedly connected in described housing;
Described some antitheft columns are vertical with described rotating shaft, and spaced set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763539.8U CN204283970U (en) | 2014-12-05 | 2014-12-05 | The protective equipment of axial-flow blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763539.8U CN204283970U (en) | 2014-12-05 | 2014-12-05 | The protective equipment of axial-flow blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283970U true CN204283970U (en) | 2015-04-22 |
Family
ID=52867135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420763539.8U Active CN204283970U (en) | 2014-12-05 | 2014-12-05 | The protective equipment of axial-flow blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460781A (en) * | 2020-11-30 | 2021-03-09 | 珠海格力电器股份有限公司 | Air outlet grille control method and air conditioner |
-
2014
- 2014-12-05 CN CN201420763539.8U patent/CN204283970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460781A (en) * | 2020-11-30 | 2021-03-09 | 珠海格力电器股份有限公司 | Air outlet grille control method and air conditioner |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |