CN202545372U - Shaft sleeve separation device of axial-flow fan - Google Patents
Shaft sleeve separation device of axial-flow fan Download PDFInfo
- Publication number
- CN202545372U CN202545372U CN2012201774186U CN201220177418U CN202545372U CN 202545372 U CN202545372 U CN 202545372U CN 2012201774186 U CN2012201774186 U CN 2012201774186U CN 201220177418 U CN201220177418 U CN 201220177418U CN 202545372 U CN202545372 U CN 202545372U
- Authority
- CN
- China
- Prior art keywords
- shaft sleeve
- impeller
- separation device
- axial
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a constituent part of an axial-flow fan, and in particular relates to a shaft sleeve separation device of an axial-flow fan, solving the problems that the processing quality is influenced, the processing requirement is improved and an impeller is difficult to pull out during overhaul because the existing impeller and a motor projecting shaft are directly fixed. The shaft sleeve separation device comprises a supporting plate which is fixed in a wheel hub and passes through a shaft sleeve; the outer side of the supporting plate is provided with a connecting plate fixed to the shaft sleeve; the connecting plate and the supporting plate are in bolt connection; and a pin shaft passes through the space between the connecting plate and the supporting plate. The shaft sleeve separation device is reasonable and reliable in structural design, the impeller is easy to pull out during overhaul, the processing precision of the shaft sleeve is improved, the quality of the fan is improved at the same time, and further a motor bearing is protected; through the joint actions of the bolt connection and pin shaft limiting, the safety of the impeller is guaranteed in the working process of the fan, and the shaft sleeve separation device of the axial-flow fan has the advantages of simplicity in structure, convenience in operation and low cost.
Description
Technical field
The utility model relates to the constituent elements of propeller fan, is specially a kind of propeller fan axle sleeve segregating unit.
Background technique
Propeller fan is because of the influence of factors such as place, Environmental Conditions at present, and its impeller mounting type mainly adopts impeller directly to be installed on the motor projecting shaft, transmits motor torque through flat key in the axle sleeve.This mounting type is higher to axle sleeve endoporus processing request, if before axle sleeve and former welding, carry out fine finishing, local heating in the welding process causes the axle sleeve Internal Hole Deformation, when the subsequent installation impeller, produces very big influence; If after the welding of axle sleeve and former finishes, carry out fine finishing again; This method can be eliminated the influence of welding reason to processing dimension; But after axle sleeve and the former welding, its component increase a lot, require to improve a lot to lathe; Near 2m, must use large-scale lathe could process the axle sleeve endoporus to the large fan impeller diameter.In addition, the axial fan impeller working environment is more abominable, and gas bleeding humidity is bigger from the down-hole, and a lot of damp content are high, possibly contain corrosive gas, and impeller is difficult to extract when causing the blower fan maintenance, for produced on-site causes very big puzzlement.
Summary of the invention
The utility model provides a kind of propeller fan axle sleeve segregating unit for the problem that solves existing impeller and the direct fixed effect quality of processing of motor projecting shaft, impeller is not drawn out easily when improving processing request and maintenance.
The utility model is to adopt following technological scheme to realize: propeller fan axle sleeve segregating unit; Comprise and be fixed in the wheel hub and be through the dunnage on the axle sleeve; The outside of dunnage is provided with axle sleeve and is fixedly coupled plate; Be connected through bolt between connecting plate and the dunnage, and be installed with bearing pin between connecting plate and the dunnage.
Bolt is pressed together connecting plate and dunnage, guarantees the two no axial clearance, and bearing pin is eliminated the gap of circumferencial direction between dunnage and the connecting plate; When blower fan or impeller are overhauled, only need bearing pin and bolt are taken off, impeller can easily unload; Improved working efficiency greatly, connecting plate and axle sleeve weld together simultaneously, have guaranteed that axle sleeve endoporus finishing step is placed on after the welding; Guarantee the machining accuracy of axle sleeve, improved the blower fan quality.
The utility model reasonable in design is reliable, and during maintenance, impeller is extracted easily, and the raising of the machining accuracy of axle sleeve, has improved the blower fan quality simultaneously, and then the protection motor bearings; Connect and the spacing effect simultaneously of bearing pin through bolt, guaranteed the safety of impeller in the blower fan working procedure, have advantage simple in structure, easy to operate and that cost is low.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1-wheel hub, 2-axle sleeve, 3-dunnage, 4-connecting plate, 5-bolt, 6-bearing pin.
Embodiment
Propeller fan axle sleeve segregating unit; Comprise and be fixed in the wheel hub 1 and be through the dunnage 3 on the axle sleeve 2; The outside of dunnage 3 is provided with axle sleeve 2 and is fixedly coupled plate 4, is connected through bolt 5 between connecting plate 4 and the dunnage 3, and is installed with bearing pin 6 between connecting plate 4 and the dunnage 3.
In the practical implementation process, adopt the structure of cooling down in the axle sleeve 2, reduced the difficulty of impeller installation and removal greatly; And axle sleeve 2 adopts stepped construction, reduces the installation resistance of dunnage 3 and connecting plate 4.
Claims (1)
1. propeller fan axle sleeve segregating unit; Comprise and be fixed in the wheel hub (1) and be through the dunnage (3) on the axle sleeve (2); It is characterized in that: the outside of dunnage (3) is provided with axle sleeve (2) and is fixedly coupled plate (4); Be connected through bolt (5) between connecting plate (4) and the dunnage (3), and be installed with bearing pin (6) between connecting plate (4) and the dunnage (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201774186U CN202545372U (en) | 2012-04-25 | 2012-04-25 | Shaft sleeve separation device of axial-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201774186U CN202545372U (en) | 2012-04-25 | 2012-04-25 | Shaft sleeve separation device of axial-flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545372U true CN202545372U (en) | 2012-11-21 |
Family
ID=47166014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201774186U Expired - Fee Related CN202545372U (en) | 2012-04-25 | 2012-04-25 | Shaft sleeve separation device of axial-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545372U (en) |
-
2012
- 2012-04-25 CN CN2012201774186U patent/CN202545372U/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 |
Granted publication date: 20121121 Termination date: 20150425 |
|
| EXPY | Termination of patent right or utility model |