CN203214383U - Meridian accelerating axial flow fan rotor spindle installation bearing structure - Google Patents
Meridian accelerating axial flow fan rotor spindle installation bearing structure Download PDFInfo
- Publication number
- CN203214383U CN203214383U CN 201220746080 CN201220746080U CN203214383U CN 203214383 U CN203214383 U CN 203214383U CN 201220746080 CN201220746080 CN 201220746080 CN 201220746080 U CN201220746080 U CN 201220746080U CN 203214383 U CN203214383 U CN 203214383U
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- China
- Prior art keywords
- bearing
- axial flow
- meridian
- rotor axle
- flow fans
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- Expired - Lifetime
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Abstract
The utility model discloses a meridian accelerating axial flow fan rotor spindle installation bearing structure which is mainly formed by two bearing blocks, wherein a rotor spindles are installed on and borne by the base blocks. A cavity where one roller bearing is installed is designed in each bearing block, the two bearing blocks are used for bearing rotation shafts at the two ends of an impeller respectively, and the two bearing blocks include one locating bearing block and one non-locating bearing block. According to the meridian accelerating axial flow fan rotor spindle installation bearing structure, the problems that, in a fan operation process, a meridian accelerating axial flow fan impeller cantilever installation structure in the prior art is large in rotor vibration amplitude, poor on operation stability and big in bearing block size and brings inconvenience to bearing installation and bearing maintaining and the like are solved.
Description
Technical field
The utility model relates to the axial flow fans rotor axle support structure, particularly relates to a kind of meridian and accelerates axial flow fans rotor axle mounting support structure.
Background technique
Blower fan in the dry-dedusting system of metallurgy industry generally adopts meridian to accelerate axial-flow blower.Meridian acceleration axial-flow blower is simpler than general axial flow compressor arrangement, and rotating speed is lower, and load is less, and the rotor shaft block bearing is generally selected rolling bearing for use.The meridian of prior art accelerates axial flow fans rotor axle supporting mounting type, be to adopt the cantilever mounting structure, be that draught fan impeller is installed in rotating shaft one end, the rotating shaft that is positioned at impeller one side is installed in a bearing support that is provided with two roller bearings, and bearing support is overall structure.The meridian of prior art accelerates axial flow fan vane wheel main shaft supporting mounting type and has following deficiency:
1, the fan rotor axle is the cantilever mounting structure, and blower fan impeller Oscillation Amplitude in running is bigger, and run stability is poor, and therefore, blower fan running safety coefficient is lower.
2, two bearings are set in a bearing support, and bearing support is monolithic construction, so bearing support is bulky, if a bearing needs to change, then will takes whole bearing support apart, and the component heaviness, be not easy to that bearing support is installed and maintenance.
The model utility content
The meridian that the utility model provides accelerates axial flow fans rotor axle mounting support structure, it is bigger that the meridian that its purpose is intended to solve prior art accelerates the fan operation process rotor Oscillation Amplitude that axial flow fan vane wheel cantilever mounting structure exists, run stability is poor, the bearing support volume is huge, and problems such as inconvenience are installed and keeped in repair to bearing.
The problems referred to above to be solved in the utility model can be accelerated axial flow fans rotor axle mounting support structure by the meridian that is made of following technical proposals and solve.
The meridian that the utility model provides accelerates axial flow fans rotor axle mounting support structure, its formation mainly comprises: the bearing support that is used for the mounting support rotor shaft is two, each bearing support design has the chamber that a roller bearing is installed, two bearing supports support the rotating shaft of impeller both sides respectively, and two one of bearing supports are the positioning shaft bearing, a non-positioning shaft bearing.
In technique scheme, described bearing support can be designed to be made of by locating stud and bolts assemblies bearing support body and left and right sides end cap, be provided with the sealing for sealing lubricating oil between end cap and rotating shaft, the bearing support cavity is provided with the lubricant oil that is communicated with the bearing support chamber and adds lubricating cup.Described sealing for sealing lubricating oil is preferably labyrinth seal.Described lubricant oil adds lubricating cup to be paid the utmost attention to and is designed to two, further pays the utmost attention to add lubricating cup with two and be separately positioned on the left and right sides end cap that constitutes bearing support.
In technique scheme, described bearing support can be considered at the rotor shaft that is positioned at bearing one end disc to be set in its chamber at least, for lubricant oil has been got rid of to be splashed in the bearing bearing is lubricated.
In technique scheme, can the air-strainer is communicated with the bearing support chamber be set at the bearing support cavity, the air that enters in the bearing support chamber is filtered, maintenance lubricant oil cleans.
In technique scheme, bearing support preferably is provided with the oil ga(u)ge that shows lubricant oil liquid level in the bearing support chamber, in order to grasp lubricant oil liquid level situation in the bearing support chamber.
In technique scheme, described bearing support cavity can design the level meter that is connected with the control room by taking over, so that the lubricant oil liquid level in the bearing support chamber is carried out remote monitoring.
In technique scheme, described positioning shaft bearing is preferably in the bearing two ends and is provided with the adjustment ring that acts on bearing outer ring, to dredge the axial expansion of rotor.
The meridian that the utility model provides accelerates axial flow fans rotor axle mounting support structure, change the fan rotor cantilever mounting structure of prior art into simple beam structure, fan rotor is installed in two bearing supports by the rotating shaft of impeller both sides, a roller bearing only is installed in the bearing support, the bearing support volume is little, therefore the utility model has overcome the existence of prior art fan rotor axle mounting support structure, fan operation process rotor Oscillation Amplitude is bigger, run stability is poor, the bearing support volume is huge, and problems such as inconvenience are installed and keeped in repair to bearing.
Compared with prior art, the utlity model has following very outstanding technique effect.
(1) use two bearing supports to support the rotating shaft of impeller both sides respectively, rotor oscillation is significantly smaller than prescribed limits, and on-the-spot service data bear vibration is below 3mm/s.
(2) location and non-positioning shaft bearing are used in combination, and can play a supporting role, and can dredge the axial expansion of rotor again, have avoided the friction of impeller and Blower Housing structure on two sides, guarantee that blower fan normally moves.
(3) it is lubricated to use disc to get rid of oil cooling, need not external oil circuit and oil pump, makes bearing block structure compact simple; On-the-spot service data shows that cooling and lubricating is respond well, and summer, bearing temperature was also below 55 ℃.
(4) use the pressure balance of air-strainer retainer shaft bearing chamber and the cleaning of lubricant oil.
(5) oil ga(u)ge and the level meter that is connected with the control room by pipeline of lubricant oil liquid level in the specially designed demonstration bearing support of the utility model chamber make the very convenient liquid level of grasping the interior lubricant oil of bearing support exactly of operator.
Description of drawings
The meridian that Fig. 1 provides for the utility model accelerates axial flow fans rotor axle mounting support structure.
Fig. 2 is the structural representation of positioning shaft bearing.
Fig. 3 is the side direction structural representation of Fig. 2.
The object that each shown by reference numeral indicates in above-mentioned accompanying drawing is respectively: 1-positioning shaft bearing; 2-non-positioning shaft bearing; 3-left end cap; 4-lubricating cup; 5-pad; 6-bearing support body; 7-air-strainer; 8-left labyrinth ring; 9-nut; 10-pad; 11-suspension ring; 12-disc; 13-right labyrinth ring; 14-right end cap; 15-screw plug; 16-adjust and encircle; 17-locating stud; 18-roller bearing; 19-set screw; 20-oil ga(u)ge; 21-level instrumentation nozzle.
Embodiment
Below in conjunction with description of drawings meridian of the present utility model being accelerated axial flow fans rotor axle mounting support structure is described further.Need to prove; following embodiment only is used for the utility model is described further; can not be interpreted as the restriction to the utility model protection domain; one of ordinary skill in the art are according to the disclosed content of the utility model; can make some nonessential improvement and adjustment to the utility model, but such improvement and adjustment must belong to protection domain of the present utility model.
Embodiment 1
The meridian that present embodiment provides accelerates axial flow fans rotor axle mounting support structure, its structure as shown in Figure 1, it constitutes: the bearing support of mounting support rotor shaft is two, each bearing support design has the chamber that a roller bearing is installed, two bearing supports are supported on the rotating shaft of impeller both sides respectively, and one is 1, one non-positioning shaft bearing 2 of positioning shaft bearing in two bearing supports.
The structure of described positioning shaft bearing 1 is made of by locating stud 17, locating stud screw plug 15 and bolts assemblies bearing support body 6, left end cap 3 and right end cap 14 shown in accompanying drawing 2 and accompanying drawing 3.Design has lubricant oil to add lubricating cup 4, air-strainer 7 and assembling suspension ring 11 above the bearing support cavity, wherein lubricating cup 4 is provided with two, lay respectively on the end cap of the left and right sides, be provided with in bearing support cavity bottom the oil ga(u)ge 20 that shows lubricant oil liquid level in the bearing support chamber with by adapter 21 level meters that are connected with the control room.Between left and right sides end cap and rotating shaft, be provided with the labyrinth seal for sealing lubricating oil, by be fixed in by positioning screwn 19 labyrinth ring 8 on the rotor shaft, 13 and end cap on sealing configuration constitute.In the bearing support chamber, be positioned at roller bearing 18 two ends and be provided with adjustment ring 16-1, the 16-2 that acts on bearing outer ring, be provided with disc 12 at an end of bearing.The position of bearing 18 on rotor shaft limited by nut 9, and nut is installed on the rotor shaft by screw pair.5 and 10 is packing ring.
The structure of described non-positioning shaft bearing 2, with the structure difference place of positioning shaft bearing 1 only be that the roller bearing two ends do not arrange the adjustment ring that acts on bearing outer ring, other structures are all identical.
Claims (10)
1. a meridian accelerates axial flow fans rotor axle mounting support structure, its spy is that the bearing support of mounting support impeller shaft is two, each bearing support design has the chamber that a roller bearing is installed, two bearing supports support the rotating shaft of impeller both sides respectively, and one is the positioning shaft bearing in two bearing supports, a non-positioning shaft bearing.
2. meridian according to claim 1 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that, bearing support is made of by locating stud (17) and bolts assemblies bearing support body (6) and left and right sides end cap (3,14), be provided with the sealing (8) for sealing lubricating oil between end cap and rotating shaft, the bearing support cavity is provided with the lubricant oil that is communicated with the bearing support chamber and adds lubricating cup (4).
3. meridian according to claim 2 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that in the bearing support chamber, at least at the impeller shaft that is positioned at bearing one end disc is set, is used for lubricant oil got rid of and is splashed into the bearing symmetry axis and is lubricated.
4. meridian according to claim 2 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that the bearing support cavity is provided with the air-strainer (7) that is communicated with the bearing support chamber.
5. meridian according to claim 2 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that the labyrinth seal that is sealed into of the sealing lubricating oil that arranges between end cap and rotating shaft.
6. meridian according to claim 2 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that the described lubricating cup that adds has two, lays respectively on the left and right sides end cap that constitutes bearing support.
7. accelerate axial flow fans rotor axle mounting support structure according to the described meridian of one of claim 2 to 6, it is characterized in that being provided with the oil ga(u)ge (20) that shows lubricant oil liquid level in the bearing support chamber.
8. meridian according to claim 7 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that described bearing support chamber design has by taking over the level meter that (21) are connected with the control room.
9. accelerate axial flow fans rotor axle mounting support structure according to the described meridian of one of claim 2 to 6, it is characterized in that described positioning shaft bearing, be provided with the adjustment ring (16) that acts on bearing outer ring at the bearing two ends.
10. meridian according to claim 8 accelerates axial flow fans rotor axle mounting support structure, it is characterized in that described positioning shaft bearing, is provided with the adjustment ring (16) that acts on bearing outer ring at the bearing two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746080 CN203214383U (en) | 2012-12-30 | 2012-12-30 | Meridian accelerating axial flow fan rotor spindle installation bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746080 CN203214383U (en) | 2012-12-30 | 2012-12-30 | Meridian accelerating axial flow fan rotor spindle installation bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214383U true CN203214383U (en) | 2013-09-25 |
Family
ID=49203927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746080 Expired - Lifetime CN203214383U (en) | 2012-12-30 | 2012-12-30 | Meridian accelerating axial flow fan rotor spindle installation bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425860A (en) * | 2018-02-05 | 2018-08-21 | 洛阳北玻台信风机技术有限责任公司 | A kind of transmission component for sweeper special fan |
-
2012
- 2012-12-30 CN CN 201220746080 patent/CN203214383U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425860A (en) * | 2018-02-05 | 2018-08-21 | 洛阳北玻台信风机技术有限责任公司 | A kind of transmission component for sweeper special fan |
| CN108425860B (en) * | 2018-02-05 | 2023-12-05 | 洛阳北玻三元流风机技术有限公司 | Transmission assembly for special fan of sweeper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |