CN206860504U - A kind of centrifugal fan of fast demountable - Google Patents
A kind of centrifugal fan of fast demountable Download PDFInfo
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- CN206860504U CN206860504U CN201720640249.8U CN201720640249U CN206860504U CN 206860504 U CN206860504 U CN 206860504U CN 201720640249 U CN201720640249 U CN 201720640249U CN 206860504 U CN206860504 U CN 206860504U
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- bearing
- main shaft
- centrifugal fan
- wheel hub
- axle sleeve
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Abstract
The utility model belongs to centrifugal fan technical field, discloses a kind of centrifugal fan of fast demountable, and it includes casing and belt wheel, and the main shaft stretched out to both sides is provided with the casing；The casing both sides are provided with bearing；Bearing locking device is provided with the inside of the bearing；Oil scraper ring is provided between each pair bearing and bearing locking device；The bearing (ball) cover being fixed on casing is provided with the outside of the bearing；Described main shaft one end is provided with the wheel hub connected by flat key；The wheel hub is provided with draught fan impeller；The main shaft other end is provided with the taper axle sleeve connected by flat key；The taper axle sleeve is arranged on belt wheel by housing screw.The utility model disassembly process only needs the bolt and gland carried using blower fan, and adjustment direction can dismount rapidly, time saving and energy saving, raising efficiency, effectively solves the technical problem that centrifugal fan dismounting is difficult in the prior art.
Description
Technical field
The utility model belongs to centrifugal fan technical field, and in particular to a kind of centrifugal fan of fast demountable.
Background technology
Centrifugal fan is due to the characteristics of simple in construction, flow is big, pressure is higher, in environmental protection, metallurgy, petrochemical industry, making
The various fields such as paper, food are widely used, and its main shaft generally cylindrical in structure is connected with impeller, the rotation of power drive impeller
Produce wind energy.Consider connection reliability, impeller on spindle design using interference fit, flat key with connecting.Need to dismantle in use
Impeller changes extremely difficult during bearing, site operation inconvenience.In the prior art, for these problems, blower fan manufacturing firm
The general cooling using to gear and bearing handles and manufactures and designs specific purpose tool and dismantles, still heavy slow.And use
It can only be dismantled more troublesome by general utility tools such as jack using the typically no specific purpose tool in scene at family.Particularly dismantle axle
Hold and even more take a lot of trouble, general acetylene torch can only be used to cut sometimes for dismounting bearing, master will be damaged unless you give your whole attention to it
Axle, critical piece is caused to scrap.
The content of the invention
The purpose of this utility model is that solve the technical problem that centrifugal fan dismounting is difficult in the prior art, there is provided a kind of
Operating cost is low, can live fast assembling-disassembling centrifugal fan, with overcome the deficiencies in the prior art.
To achieve these goals, the utility model is achieved through the following technical solutions：
A kind of centrifugal fan of fast demountable, it includes casing and belt wheel, its main points be provided with the casing to
The main shaft that both sides are stretched out；The left bearing being arranged on main shaft is provided with the left of the casing；Left bearing is provided with the inside of the left bearing
Locking；The right bearing being arranged on main shaft is provided with the right side of the casing；Right bearing is provided with the inside of the right bearing to lock；It is described every
To being provided with oil scraper ring between bearing and bearing locking；The bearing (ball) cover being fixed on casing is provided with the outside of the bearing；The master
Axle one end is provided with the wheel hub connected by flat key；The wheel hub is provided with draught fan impeller；The main shaft other end is provided with by flat
The taper axle sleeve of key connection；The taper axle sleeve is arranged on belt wheel by belt wheel housing screw.
One end that the main shaft is connected with wheel hub is provided with rectification cap；The rectification cap front end face is provided with rectification cap hold-down apertures；
The main shaft left side is provided with head screwed hole；The rectification cap hold-down apertures are connected with shaft end connecting hole by rectification cap hold-down bolt
Connect；The outer of the rectification cap is provided with rectification cap removal hole；The left side of the wheel hub is provided with wheel hub removal hole；
The taper end face of shaft bush is provided with axle sleeve hold-down apertures and axle sleeve removal hole；The axle sleeve side is provided with and passed through with inner side
Logical expansion slot；Connection keyway is provided with the inside of the axle sleeve.
As a further improvement, main shaft uses the form of optical axis, positioned without axle step, bearing relies on expansion sleeve with main shaft
Connection.
As a further improvement, the main shaft is designed as tapered shape with wheel hub connection end.
As a further improvement, with the tapered hole of main shaft connecting hole on the wheel hub, it is and identical with spindle taper.
As a further improvement, the whole lateral surface of rectification cap is in class sphere streamline structure.
As a further improvement, the size for being dimensioned slightly smaller than main shaft left side of the rectification cap front end face.
As a further improvement, the rectification cap removal hole is located on same center line with wheel hub removal hole.
As a further improvement, the bearing locking is provided with positioning screw.
A kind of centrifugal fan of fast demountable of the utility model, it provides a kind of brand-new and unique blower fan transmission
Structure design, consider from blower fan using angle, using the appurtenances on impeller, can quickly pull down impeller, and can not
With specific purpose tool, bearing is changed in transmission group either end, blower fan maintenance efficiency greatly improves.Main shaft is not designed to multi-diameter shaft
It is cumbersome when can avoid processing and dismantling bearing, also accordingly increase the structural strength of main shaft；Adopted between main shaft and wheel hub
Connected with taper, the dismounting more convenient than tradition interference fit of this fit system, and more fastened；Rectification cap with diversion function
Fan airflow is more utilized than traditional round nut type shaft end gland, and fan operation is more efficient；In addition, rectification cap front end face,
Corresponding locating surface or positioner are provided with casing, is advantageous to the assembly or disassembly of equipment.The utility model unloading process
The bolt and gland carried using blower fan is only needed, adjustment direction is quickly-detachable, time saving and energy saving, raising efficiency, effectively
Solves the technical problem that centrifugal fan dismounting is difficult in the prior art.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is partial enlarged drawing at A in Fig. 1；
Accompanying drawing 3 is removed sectional view at B in Fig. 1；
Accompanying drawing 4 is the C of taper axle sleeve in Fig. 1 to direction view.
1, draught fan impeller 2, wheel hub 3, casing 4, left bearing 5, left bearing locking 6, main shaft in figure
7th, right bearing locking 8, right bearing 9, bearing (ball) cover 10, taper axle sleeve 11, belt wheel 12, belt wheel compress
End face 14, main shaft left side 15, rectification cap hold-down bolt 16, rectification cap 17, rectification cap in face of screw 13, rectification
Hold-down apertures 18, head screwed hole 19, rectification cap removal hole 20, wheel hub removal hole 21, flat key 22, positioning screw
23rd, oil scraper ring
24th, axle sleeve hold-down apertures 25, axle sleeve removal hole 26, expansion slot 27, connection keyway.
Embodiment
Referring to the drawings, a kind of centrifugal fan of fast demountable, it includes casing 3 and belt wheel 11, set in the casing
The main shaft 6 that oriented both sides are stretched out；The left bearing 4 being arranged on main shaft is provided with the left of the casing；It is provided with the inside of the left bearing
Left bearing locking 5；The right bearing 8 being arranged on main shaft is provided with the right side of the casing；Right bearing is provided with the inside of the right bearing to lock
Tight 7；Oil scraper ring 23 is provided between each pair bearing and bearing locking；The bearing being fixed on casing is provided with the outside of the bearing
End cap 9.Described main shaft one end is provided with the wheel hub 2 connected by flat key 21；The wheel hub is provided with draught fan impeller 1；The main shaft
The other end is provided with the taper axle sleeve 10 connected by flat key；The taper axle sleeve is arranged on belt wheel by belt wheel housing screw 12
On.
One end that the main shaft is connected with wheel hub is provided with rectification cap 16；The rectification cap front end face 13 compresses provided with rectification cap
Hole 17；The main shaft left side 14 is provided with head screwed hole 18；The rectification cap hold-down apertures pass through rectification cap with shaft end connecting hole
Compression spiral shell 15, which tethers, to be connect；The outer of the rectification cap is provided with rectification cap removal hole 19；Torn open provided with wheel hub the left side of the wheel hub
Unload hole 20；
The taper axle sleeve outer face is provided with axle sleeve hold-down apertures 24 and axle sleeve removal hole 25；The axle sleeve side be provided with
The expansion slot 26 of inner side insertion；Connection keyway 27 is provided with the inside of the axle sleeve.
The main shaft uses the form of optical axis, is positioned without axle step, and bearing is connected with main shaft by expansion sleeve.
The main shaft is designed as tapered shape with wheel hub connection end.
The wheel hub with the tapered hole of main shaft connecting hole, it is and identical with spindle taper.
The whole lateral surface of rectification cap is in class sphere streamline structure.
The size for being dimensioned slightly smaller than main shaft left side of the rectification cap front end face.
The rectification cap removal hole is located on same center line with wheel hub removal hole.
The bearing locking is provided with positioning screw 22.
In order to deepen, to understanding of the present utility model, the present invention to be further described with reference to the accompanying drawings and examples.
Referring to the drawings 1, accompanying drawing 2, show the preferred plan for realizing draught fan impeller fast assembling-disassembling here.Draught fan impeller
1, combined by wheel hub 2 and main shaft 6, the shaft end taper of main shaft 6 is consistent with the taper of wheel hub connecting hole, passes through mechanical processing technique
Ensure that its contact coincide.To ensure that the torque of main shaft is transmitted reliably, add flat key 19 and be reliably connected.If scene needs to tear open
Impeller is unloaded, only need to back out rectification cap hold-down bolt 15, removes and rectification cap is inverted 180 ° after rectification cap 14 so that rectification cap front end
Face 14 is adjacent to main shaft left side 13, and wheel hub removal hole 20 is screwed into by rectification cap removal hole 19 with the bolt 15 of dismounting, you can
Easy removal impeller 1.The physical dimension of one feature rectification cap front end face 14 of rectification cap is slightly less than the outer of main shaft left side 13
Edge size, position during such easy disassembly impeller.
Referring to the drawings 1, accompanying drawing 3, show the preferred plan for realizing fan bearing fast assembling-disassembling here.Determine first
Main shaft 6 with after the relative position of casing 3, installing bearing locking device 5 successively（7）, oil scraper ring 23 and bearing 4（8）.Adjust bearing
Inner side end and casing on locating surface be adjacent to, adjust the position of oil scraper ring, reliably locked with bearing locking device.Locking dress
Put and be provided with positioning screw, facilitate oil scraper ring to be adjusted to optimum position.Because main shaft is without ladder optical axis, need to only turn on during dismounting
Bearing locking device, you can unload bearing, oil scraper ring successively.
Referring to the drawings 1, accompanying drawing 4, show the preferred plan for realizing blower fan belt wheel fast assembling-disassembling here.Belt wheel 11 and cone
Degree axle sleeve 10 is connected with belt wheel hold-down bolt 12 by axle sleeve hold-down apertures 25, and taper axle sleeve is connected by flat key 28 with main shaft.Cone
Degree axle sleeve 10 devises the expansion slot 26 of inside and outside insertion, ensure that tighten after belt wheel hold-down bolt 12 taper axle sleeve with after main shaft
Hold the cooperation on the face of cylinder.During dismounting, belt wheel housing screw is backed out, the expansion slot opening that taper shaft is put becomes big, taper axle sleeve
Coordinate to become with main shaft and loosen, then belt wheel housing screw is screwed into axle sleeve removal hole, you can remove taper axle sleeve and belt wheel.
The utility model disassembly process only needs the bolt and gland carried using blower fan, and adjustment direction can be torn open rapidly
Dress, time saving and energy saving, raising efficiency, effectively solves the technical problem that centrifugal fan dismounting is difficult in the prior art.
Preferable embodiment of the present utility model during the above, not limiting the scope of protection of the utility model.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of centrifugal fan of fast demountable, it includes casing（3）And belt wheel（11）, it is characterized in that being set in the casing
The main shaft that oriented both sides are stretched out（6）；The left bearing being arranged on main shaft is provided with the left of the casing（4）；On the inside of the left bearing
Locked provided with left bearing（5）；The right bearing being arranged on main shaft is provided with the right side of the casing（8）；It is provided with the inside of the right bearing
Right bearing is locked（7）；Oil scraper ring is provided between each pair bearing and bearing locking（23）；It is provided with and is fixed on the outside of the bearing
Bearing (ball) cover on casing（9）；Described main shaft one end, which is provided with, passes through flat key（21）The wheel hub of connection（2）；The wheel hub is provided with
Draught fan impeller（1）；The main shaft other end is provided with the taper axle sleeve connected by flat key（10）；The taper axle sleeve passes through belt wheel
Housing screw（12）On belt wheel；The connection end of the main shaft and wheel hub is provided with rectification cap（16）；The rectification cap front end
Face（13）Provided with rectification cap hold-down apertures（17）；The main shaft left side（14）Provided with head screwed hole（18）；The rectification cap pressure
Tieholen compresses spiral shell with shaft end connecting hole by rectification cap（15）Tether and connect；The outer of the rectification cap is provided with rectification cap removal hole
（19）；The left side of the wheel hub is provided with wheel hub removal hole（20）；The taper axle sleeve outer face is provided with axle sleeve hold-down apertures
（24）With axle sleeve removal hole（25）；The axle sleeve side is provided with the expansion slot with inner side insertion（26）；Set on the inside of the axle sleeve
There is connection keyway（27）.
2. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：The main shaft uses optical axis
Form, positioned without axle step, bearing is connected with main shaft by expansion sleeve.
3. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：The main shaft and wheel hub
Connection end is designed as tapered shape.
4. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：The wheel hub and main shaft
The tapered hole of connecting hole, and it is identical with spindle taper.
5. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：The rectification cap is entirely outer
Side is in class sphere streamline structure.
6. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：The chi of rectification cap front end face
The very little size for being slightly less than main shaft left side.
7. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：The rectification cap removal hole
It is located at wheel hub dismounting screwed hole on same center line.
8. a kind of centrifugal fan of fast demountable according to claim 1, it is characterized in that：Set on the bearing locking
There is positioning screw（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640249.8U CN206860504U (en) | 2017-06-05 | 2017-06-05 | A kind of centrifugal fan of fast demountable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640249.8U CN206860504U (en) | 2017-06-05 | 2017-06-05 | A kind of centrifugal fan of fast demountable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860504U true CN206860504U (en) | 2018-01-09 |
Family
ID=60830437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640249.8U Active CN206860504U (en) | 2017-06-05 | 2017-06-05 | A kind of centrifugal fan of fast demountable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023501A (en) * | 2017-06-05 | 2017-08-08 | 山东临风科技股份有限公司 | A kind of centrifugal fan of fast demountable |
| CN115788944A (en) * | 2023-01-16 | 2023-03-14 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
-
2017
- 2017-06-05 CN CN201720640249.8U patent/CN206860504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023501A (en) * | 2017-06-05 | 2017-08-08 | 山东临风科技股份有限公司 | A kind of centrifugal fan of fast demountable |
| CN115788944A (en) * | 2023-01-16 | 2023-03-14 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
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