CN201180691Y - Sleeve-coiling type mounting structure for impeller and principal shaft - Google Patents
Sleeve-coiling type mounting structure for impeller and principal shaft Download PDFInfo
- Publication number
- CN201180691Y CN201180691Y CNU2008200287035U CN200820028703U CN201180691Y CN 201180691 Y CN201180691 Y CN 201180691Y CN U2008200287035 U CNU2008200287035 U CN U2008200287035U CN 200820028703 U CN200820028703 U CN 200820028703U CN 201180691 Y CN201180691 Y CN 201180691Y
- Authority
- CN
- China
- Prior art keywords
- impeller
- main shaft
- mounting structure
- shaft body
- type mounting
- 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 - Lifetime
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Abstract
The utility model discloses a sleeve coiling type mounting structure realized by an impeller and a main shaft, which includes a main shaft body and an impeller body mounted on the main shaft body. The impeller body and the main shaft body are matched in the manner of taking the impeller body as the shaft and taking the main shaft body as the hole. The sleeve coiling type mounting structure adopts the matching standard completely opposite to the prior art, the smaller interference fit can be selected, the stress to the impeller body is reduced, and the deformation of an airflow passage is controlled effectively. When a rotor rotates at a high speed, the binding power between the impeller body under the action of the centrifugal force and the main shaft body is larger, and the security is high.
Description
Technical field
The utility model belongs to air separation facility centrifugal compressor field, relates to a kind of impeller and main shaft turn-up cuff formula mounting structure.
Background technique
The air separation facility centrifugal compressor, the high speed rotating of dependence rotor, the centrifugal impeller acting for process system provides certain gas flow and pressure, realizes industrial requirement.
Compressor drum at work, along with the raising of rotating speed, particularly rotor when the big flow working state, the merit that it is done increases, and interference is installed increases, when the problem of bringing was hot charging, heating-up temperature significantly improved, the stress of generation increases.For the reliability of the safety that guarantees rotor operation, in the production process of main shaft and impeller, to the control of its fit tolerance size with require strictly more, make, installation precision requires highlyer, significantly improves cost of production.And impeller has distortion and loosening trend under action of centrifugal force, make the safe operation of equipment have hidden danger.Original structure comprises main shaft body 1 and is installed in impeller body 2 on the main shaft body 1 as shown in Figure 1, and its fit system is to be the hole with impeller body 2, be axle with main shaft body 1, the employing interference fit.
Summary of the invention
The purpose of this utility model is to provide a kind of impeller and main shaft to adopt turn-up cuff formula mounting structure.
To achieve these goals, technical solution of the present utility model is:
A kind of impeller and main shaft adopt turn-up cuff formula mounting structure, comprise main shaft body 1 and the impeller body 2 that is installed on the main shaft body 1, it is characterized in that described impeller body and main shaft body are to be axle with the impeller body, are to match in the hole with the main shaft body.
Description of drawings
Fig. 1 is the matching chart of existing impeller and main shaft;
Fig. 2 is that impeller of the present utility model and main shaft turn-up cuff formula are installed matching chart;
Fig. 3 processes location ring-type fixing structure figure on the main shaft body 1;
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
Referring to Fig. 2, a kind of impeller and main shaft adopt turn-up cuff formula mounting structure, comprise main shaft body 1 and are installed in impeller body 2 on the main shaft body 1, are to be axle with impeller body 2 between described impeller body 2 and the main shaft body 1, are to match in the hole with main shaft body 1.
Since location ring-type seam 3 simple in structure, regular, volume is little, therefore, installs easy to operationly, amount of deformation is even and reduce.
Impeller of the present utility model and main shaft adopt turn-up cuff formula mounting structure, can improve the reliability that impeller is installed, and magnitude of interference is installed is evenly reduced, and it is loosening can not produce impeller, the irregular stress distribution that has produced when having avoided the impeller heating, impeller is not fragile, has improved working life.This structure makes impeller influenced not quite by hot charging, is difficult for producing the concentrated and distortion of stress that heating brings, and the degree of accuracy of impeller channel part is increased.Make rotor running at work more steady, guaranteed the unit aeroperformance.
Claims (2)
1, a kind of impeller and main shaft adopt turn-up cuff formula mounting structure, comprise main shaft body (1) and be installed in impeller body (2) on the main shaft body (1), it is characterized in that described impeller body (2) and main shaft body (1) are to be axle with impeller body (2), are to match in the hole with main shaft body (1).
2. impeller as claimed in claim 1 and main shaft adopt turn-up cuff formula mounting structure, it is characterized in that, are processed with location ring-type seam (3) on the described main shaft body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200287035U CN201180691Y (en) | 2008-03-31 | 2008-03-31 | Sleeve-coiling type mounting structure for impeller and principal shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200287035U CN201180691Y (en) | 2008-03-31 | 2008-03-31 | Sleeve-coiling type mounting structure for impeller and principal shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201180691Y true CN201180691Y (en) | 2009-01-14 |
Family
ID=40250191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200287035U Expired - Lifetime CN201180691Y (en) | 2008-03-31 | 2008-03-31 | Sleeve-coiling type mounting structure for impeller and principal shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201180691Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362873A (en) * | 2013-08-13 | 2013-10-23 | 无锡市四方真空设备有限公司 | Connection structure of impeller and main shaft of liquid ring pump |
-
2008
- 2008-03-31 CN CNU2008200287035U patent/CN201180691Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362873A (en) * | 2013-08-13 | 2013-10-23 | 无锡市四方真空设备有限公司 | Connection structure of impeller and main shaft of liquid ring pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170215 Address after: 710075 Shaanxi city of Xi'an province high tech Zone Fenghui Road No. 8 Patentee after: Xi'an Shaangu Power Co., Ltd. Address before: 710611 Lintong County, Shaanxi, Wang Zhen Patentee before: Xi'an Shaangu Lishan Ventilation Equipment Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090114 |