CN205243932U - Install impeller structure of single -stage high speed centrifugation fan - Google Patents
Install impeller structure of single -stage high speed centrifugation fan Download PDFInfo
- Publication number
- CN205243932U CN205243932U CN201520888634.5U CN201520888634U CN205243932U CN 205243932 U CN205243932 U CN 205243932U CN 201520888634 U CN201520888634 U CN 201520888634U CN 205243932 U CN205243932 U CN 205243932U
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- CN
- China
- Prior art keywords
- impeller
- shaft
- bearing
- high speed
- pull rod
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- Expired - Fee Related
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Abstract
The utility model relates to an install impeller structure of single -stage high speed centrifugation fan belongs to mechanical structure technical field. It includes fast axis, impeller shaft, pull rod axle and impeller, pass through the coupling joint between fast axis and the impeller shaft, the impeller passes through the pull rod axle and installs on the impeller shaft, the fast axis both ends are connected with first fast axis bearing and second fast axis bearing fit respectively, and first fast axis bearing and second fast axis bearing support the fast axis, the cooperation is connected with the the first impeller bearing on the impeller shaft, and the epaxial cooperation of pull rod is connected with second impeller bearing, and the impeller shaft is honoured to the first impeller bearing and second impeller shaft and the pull rod axle supports, the impeller both sides still are equipped with sealed group of first oil gas and the sealed group of second oil gas. The utility model has the advantages of simple and compact structure, rationally, low in manufacturing cost especially is fit for using on large -scale high speed centrifugation fan, can realize the flexonics of impeller and fast axis.
Description
Technical field
The utility model relates to a kind of impeller mounting means of single-stage high-speed centrifugal blower, and specifically the impeller mounting means of wearing and tearing for reducing fan starting, while shutting down on a kind of high-speed centrifugal fan, belongs to frame for movement technical field.
Background technology
In the prior art, the impeller of high-speed centrifugal fan is fixedly connected with high speed shaft by a pull bar, and its center of gravity is partially in a side of block bearing; the effect that is subject to gravity when static is sagging; in the time starting and shut down, impeller end and labyrinth seal generation sliding friction, thus cause wearing and tearing. When impeller size and weight are when larger, wear and tear particularly serious.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of impeller mounting means of single-stage high-speed centrifugal blower is provided, simple in structure, cost is low.
The technical scheme providing according to the utility model, a kind of impeller installing of single-stage high-speed centrifugal blower, comprises high speed shaft, impeller shaft, pull rod shaft and impeller; Between high speed shaft and impeller shaft, connect by shaft coupling, described impeller is installed on impeller shaft by pull rod shaft; Described high speed shaft two ends are connected with the first high speed shaft bearing and the second high speed shaft bearing fit respectively, and the first high speed shaft bearing and the second high speed shaft bearing support high speed shaft; On described impeller shaft, be connected with the first impeller bearing, be connected with the second impeller bearing in pull rod shaft, the first impeller bearing and the second impeller bearing support impeller shaft and pull rod shaft; Described impeller both sides are also provided with the first oil gas seal group and the second oil gas seal group.
Described the first oil gas seal group comprises the first airtight seal, the first oil seal circle and the second oil seal circle, is all installed on impeller shaft; The first airtight seal, the first oil seal circle and the second oil seal circle are installed from impeller one side direction high speed shaft direction successively;
Described the second oil gas seal group comprises the second airtight seal and the 3rd oil seal circle, and the second airtight seal and the 3rd oil seal circle are installed from impeller one side direction pull rod shaft direction.
Described the first airtight seal, the first oil seal circle and the second oil seal circle are all installed on gear-box by bolt.
Described impeller is installed on impeller shaft by impeller bolt, and the pull bar of pull rod shaft front end withstands the impeller bolt of fixing impeller, makes between impeller shaft and pull rod shaft relatively fixing.
The beneficial effects of the utility model: the utility model is simple in structure, compact, reasonable, and low cost of manufacture, is particluarly suitable for using on large high-speed centrifugal blower; Can realize flexibly connecting of impeller and high speed shaft.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Description of reference numerals: 1, high speed shaft; 2, the first high speed shaft bearing; 3, the second high speed shaft bearing; 4, shaft coupling; 5, impeller shaft; 6, the first impeller bearing; 7, the second impeller bearing; 8, impeller; 9, the first oil gas seal group; 9-1, the first airtight seal; 9-2, the first oil seal circle; 9-3, the second oil seal circle; 10, the second oil gas seal group; 10-1, the second airtight seal; 10-2, the 3rd oil seal circle; 11, pull rod shaft; 12, bolt.
Detailed description of the invention
The utility model is further described in connection with accompanying drawing below:
As shown in Figure 1: a kind of impeller installing of single-stage high-speed centrifugal blower, comprises high speed shaft 1, impeller shaft 5, pull rod shaft 11 and impeller 8; Between high speed shaft 1 and impeller shaft 5, connect by shaft coupling 4, described impeller 8 is installed on impeller shaft 5 by pull rod shaft 11; Described high speed shaft 1 two ends are connected with the first high speed shaft bearing 2 and the second high speed shaft bearing 3 respectively, and the first high speed shaft bearing 2 and the second high speed shaft bearing 3 support high speed shaft 1; On described impeller shaft 5, be connected with the first impeller bearing 6, in pull rod shaft 11, be connected with the second impeller bearing 7, the first impeller bearings 6 and the second impeller bearing 7 impeller shaft 5 and pull rod shaft 11 are supported; Described impeller 8 both sides are also provided with the first oil gas seal group 9 and the second oil gas seal group 10.
Described the first oil gas seal group 9 comprises the first airtight seal 9-1, the first oil seal circle 9-2 and the second oil seal circle 9-3, is all installed on impeller shaft 5; The first airtight seal 9-1, the first oil seal circle 9-2 and the second oil seal circle 9-3 install from impeller 8 one side direction high speed shaft 1 directions successively;
Described the second oil gas seal group 10 comprises the second airtight seal 10-1 and the 3rd oil seal circle 10-2, and the second airtight seal 10-1 and the 3rd oil seal circle 10-2 install from impeller 8 one side direction pull rod shaft 11 directions.
Described the first airtight seal 9-1, the first oil seal circle 9-2 and the second oil seal circle 9-3 are all installed on gear-box by bolt.
Described impeller 8 is installed on impeller shaft 5 by impeller bolt 12, and the pull bar of pull rod shaft 11 front ends withstands the impeller bolt 12 of fixing impeller 8, makes between impeller shaft 5 and pull rod shaft 11 relatively fixing.
When the utility model work, high speed shaft 1 rotates, and rotates by shaft coupling 4 impeller axles 5 and impeller 8, and shaft coupling 4 has compensated the coaxiality deviation between high speed shaft 1 and impeller shaft 5; The first high speed shaft bearing 2 and the second high speed shaft bearing 3 provide supporting for high speed shaft 1; The first impeller bearing 6 and the second impeller bearing 7 provide supporting for impeller shaft 5; The first oil gas seal group 9 and the second oil gas seal group 10 lay respectively at impeller 8 both sides, in order to prevent lubricating oil effusion.
Claims (4)
1. an impeller installing for single-stage high-speed centrifugal blower, is characterized in that: comprise high speed shaft (1), impeller shaft (5), pull rod shaft (11) and impeller (8); Between high speed shaft (1) and impeller shaft (5), connect by shaft coupling (4), described impeller (8) is installed on impeller shaft (5) by pull rod shaft (11); Described high speed shaft (1) two ends are connected with the first high speed shaft bearing (2) and the second high speed shaft bearing (3) respectively, and the first high speed shaft bearing (2) and the second high speed shaft bearing (3) support high speed shaft (1); On described impeller shaft (5), be connected with the first impeller bearing (6), in pull rod shaft (11), be connected with the second impeller bearing (7), the first impeller bearing (6) and the second impeller bearing (7) support impeller shaft (5) and pull rod shaft (11); Described impeller (8) both sides are also provided with the first oil gas seal group (9) and the second oil gas seal group (10).
2. the impeller installing of single-stage high-speed centrifugal blower as claimed in claim 1, it is characterized in that: described the first oil gas seal group (9) comprises the first airtight seal (9-1), the first oil seal circle (9-2) and the second oil seal circle (9-3), is all installed on impeller shaft (5); The first airtight seal (9-1), the first oil seal circle (9-2) and the second oil seal circle (9-3) are installed from impeller (8) one side direction high speed shaft (1) directions successively;
Described the second oil gas seal group (10) comprises the second airtight seal (10-1) and the 3rd oil seal circle (10-2), and the second airtight seal (10-1) and the 3rd oil seal circle (10-2) are installed from impeller (8) one side direction pull rod shaft (11) directions.
3. the impeller installing of single-stage high-speed centrifugal blower as claimed in claim 2, is characterized in that: described the first airtight seal (9-1), the first oil seal circle (9-2) and the second oil seal circle (9-3) are all installed on gear-box by bolt.
4. the impeller installing of single-stage high-speed centrifugal blower as claimed in claim 1, it is characterized in that: described impeller (8) is installed on impeller shaft (5) by impeller bolt (12), the pull bar of pull rod shaft (11) front end withstands the impeller bolt (12) of fixing impeller (8), makes between impeller shaft (5) and pull rod shaft (11) relatively fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888634.5U CN205243932U (en) | 2015-11-09 | 2015-11-09 | Install impeller structure of single -stage high speed centrifugation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888634.5U CN205243932U (en) | 2015-11-09 | 2015-11-09 | Install impeller structure of single -stage high speed centrifugation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243932U true CN205243932U (en) | 2016-05-18 |
Family
ID=55943018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520888634.5U Expired - Fee Related CN205243932U (en) | 2015-11-09 | 2015-11-09 | Install impeller structure of single -stage high speed centrifugation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257591A (en) * | 2015-11-09 | 2016-01-20 | 江苏杰尔科技股份有限公司 | Impeller mounting structure of single-stage high-speed centrifugal fan |
-
2015
- 2015-11-09 CN CN201520888634.5U patent/CN205243932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257591A (en) * | 2015-11-09 | 2016-01-20 | 江苏杰尔科技股份有限公司 | Impeller mounting structure of single-stage high-speed centrifugal fan |
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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: 20160518 Termination date: 20181109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |