CN207989387U - Impeller rotating device - Google Patents
Impeller rotating device Download PDFInfo
- Publication number
- CN207989387U CN207989387U CN201820009778.2U CN201820009778U CN207989387U CN 207989387 U CN207989387 U CN 207989387U CN 201820009778 U CN201820009778 U CN 201820009778U CN 207989387 U CN207989387 U CN 207989387U
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- Prior art keywords
- impeller
- rotary shaft
- hole
- spiral
- diameter
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- 239000004568 cement Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 208000035389 Ring chromosome 6 syndrome Diseases 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to impeller rotating devices.Rotary shaft is fixed with impeller center, and rotary shaft, which is inserted into impeller wheel portion diameter and is less than rear portion, rotates shaft diameter, and fixed face gear, two opposite face gears intermesh the opposite face of rotary shaft and impeller each other.Impeller is intermeshed with rotary shaft by face gear, transmits torque, and problem of stress concentration caused by effective solution conventional keys cooperation improves the uniformity of load distribution, improves impeller intensity, reduce the main shaft diameter of axle, reduce design structure, improves service efficiency.
Description
Technical field
The utility model is related to impeller technical fields, and in particular to impeller rotating device.
Background technology
The impeller of centrifugal compressor is to air work, to improve gas kinetic energy, and the increased kinetic energy of gas and impeller
Rotating speed is directly proportional.According to compression ratio difference, wheel speed has a long way to go.When compression ratio is high, rotating speed is up to 25000rpm or more.
Therefore, extremely important for the reliability and safety, the mounting structure of impeller of guarantee impeller work.
Existing mounting means common are two kinds：One is hot jacket mating connection, another kind is key connection.
When hot jacket connects, impeller is heated to 100 DEG C or so, is connect with main shaft rapidly after so that it is expanded, so i.e.
To achieve the purpose that locking using impeller interference volume after cooling, but it is to provide for the required big interference volume of large torque and can makes leaf
Wheel generates excessive stress concentration, so that impeller intensity is declined, is unfavorable for keeping the safety in production, and dismantles difficulty, is unfavorable for maintaining
Deng.
When the key cooperation installation of the prior art, needs the cooperation by keyway and key to constrain the displacement of impeller and transmit torsion
Square.But since the key of use is standard component, intrinsic right-angle structure causes the stress concentration of splined end larger, reduces
Impeller intensity, and the diameter of axle accordingly increases, and is unfavorable for optimization design.Compressor efficiency is set to reduce, huge structure.
Utility model content
Purpose of the utility model is to solve the above problems and provide a kind of impeller rotations suitable on centrifugal compressor
Rotary device, impeller intensity and main axe intensity low and the main shaft diameter of axle larger with the stress concentration for solving key cooperation in the prior art
Larger problem.
To solve the above-mentioned problems, the technical solution adopted in the utility model is as follows：
Impeller rotating device, including impeller 1, the rotary shaft 2 that is connect with electric rotating machine, the rotary shaft 2 and 1 center of impeller
It is fixed, which is characterized in that rotary shaft 2 is inserted into 1 section diameter of impeller and is less than 2 diameter of rear portion rotary shaft, at 2 diameter change of rotary shaft
Opposite face is formed with impeller 1, and the opposite face of rotary shaft 2 and impeller 1 fixed face gear 3 each other is set on the disc of face gear 3
Have and be circumferentially distributed convex block 31, two opposite face gears 3 intermesh, and spacing ring 6 is equipped between both ends of the surface gear 3.
The optimization of the utility model, the end that rotary shaft 2 is inserted into impeller 1 are equipped with solid top fastening bolt 4, and 2 end of rotary shaft is equipped with
Threaded hole, interference filling inner wall, outer wall set threaded plastic cement expansion bolt sleeve in threaded hole, on plastic cement expansion bolt sleeve outer wall
Screw thread engaged with the threaded hole of rotary shaft, the screw thread on plastic cement expansion bolt sleeve inner wall is engaged with the screw thread of solid top fastening bolt.
Further, the impeller 1 is circular wheel, and the spiral through-hole 5 being circumferentially distributed is equipped among circular wheel, and each spiral is logical
It is spaced by partition board 51 between hole 5,5 front end of spiral through-hole is set to 1 front end of impeller, and 5 front opening of spiral through-hole is facing forward, and screw thread is logical
5 rear end of hole is set to 1 side of impeller.
Compared with prior art, it is the advantages of the utility model：
Impeller is intermeshed with rotary shaft by face gear, and torque, effective solution conventional keys cooperation institute band are transmitted
The problem of stress concentration come improves the uniformity of load distribution, improves impeller intensity, reduces the main shaft diameter of axle, reduces design structure,
Improve service efficiency.This structure positioning precision is high, and intensity of load is good, is conducive to high rotating speed, top load equipment uses.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, is carried in not making the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the utility model impeller rotating device front portion structure schematic diagram；
Fig. 2 is the utility model impeller rotating device rear structure schematic diagram；
Fig. 3 is the utility model impeller rotating device sectional view；
Reference numeral：Impeller -1, rotary shaft -2, face gear -3, convex block -31, solid top fastening bolt -4, spiral through-hole -5, every
Plate -51, spacing ring -6.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
As shown in fig.1, the utility model provides impeller rotating device, including impeller 1, the rotation that is connect with electric rotating machine
Axis 2, the rotary shaft 2 are fixed with 1 center of impeller, which is characterized in that rotary shaft 2 is inserted into 1 section diameter of impeller and is revolved less than rear portion
2 diameter of shaft, forms opposite face at 2 diameter change of rotary shaft with impeller 1, the opposite face of rotary shaft 2 and impeller 1 fixed end each other
Face gear 3, the disc of face gear 3, which is equipped with, is circumferentially distributed convex block 31, and two opposite face gears 3 intermesh, both ends
Spacing ring 6 is equipped between face gear 3.
The end that rotary shaft 2 is inserted into impeller 1 is equipped with solid top fastening bolt 4, and 2 end of rotary shaft is equipped with threaded hole, mistake in threaded hole
Being full of filling inner wall, outer wall sets threaded plastic cement expansion bolt sleeve, the screw thread and rotary shaft on plastic cement expansion bolt sleeve outer wall
Threaded hole engages, and the screw thread on plastic cement expansion bolt sleeve inner wall is engaged with the screw thread of solid top fastening bolt.This structure contributes to structure steady
It is fixed, it can avoid in rotary course, Gu top fastening bolt 4 is detached from rotary shaft, cause impeller failure.
Further, the impeller 1 is circular wheel, and the spiral through-hole 5 being circumferentially distributed is equipped among circular wheel, and each spiral is logical
It is spaced by partition board 51 between hole 5,5 front end of spiral through-hole is set to 1 front end of impeller, and 5 front opening of spiral through-hole is facing forward, and screw thread is logical
5 rear end of hole is set to 1 side of impeller.This structure contributes to gas to enter from 5 prosopyle of spiral through-hole, under the action of the centrifugal force, from spiral shell
Rotation 5 deutostoma of through-hole comes out, and the gas pressure that centrifugal force makes out increases.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, retouching in above embodiments and description
The preference of only the utility model is stated, the utility model is not limited by above-mentioned preference, is not departing from the utility model
It is put in spirit and scope, the utility model can also have various changes and modifications, these changes and improvements both fall within this practicality
In novel claimed range.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. impeller rotating device, including impeller（1）, the rotary shaft that connect with electric rotating machine（2）, the rotary shaft（2）With impeller
（1）Center is fixed, which is characterized in that rotary shaft（2）It is inserted into impeller（1）Section diameter is less than rear portion rotary shaft（2）Diameter, rotation
Axis（2）At diameter change and impeller（1）Form opposite face, rotary shaft（2）With impeller（1）Opposite face fixed face gear each other
（3）, face gear（3）Disc be equipped with circumferentially be distributed convex block（31）, two opposite face gears（3）It intermeshes, two
Face gear（3）Between be equipped with spacing ring（6）.
2. impeller rotating device according to claim 1, which is characterized in that rotary shaft（2）It is inserted into impeller（1）End set
There is solid top fastening bolt（4）, rotary shaft（2）End is equipped with threaded hole, and interference filling inner wall, outer wall set threaded plastic cement in threaded hole
Expansion bolt sleeve, the screw thread on plastic cement expansion bolt sleeve outer wall are engaged with the threaded hole of rotary shaft, plastic cement expansion bolt sleeve inner wall
On screw thread engaged with the screw thread of solid top fastening bolt.
3. impeller rotating device according to claim 1, which is characterized in that the impeller（1）For circular wheel, in circular wheel
Between be equipped with the spiral through-hole that is circumferentially distributed（5）, each spiral through-hole（5）Between pass through partition board（51）Interval, spiral through-hole（5）Before
End is set to impeller（1）Front end, spiral through-hole（5）Front opening is facing forward, tapped through hole（5）Rear end is set to impeller（1）Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009778.2U CN207989387U (en) | 2018-01-04 | 2018-01-04 | Impeller rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009778.2U CN207989387U (en) | 2018-01-04 | 2018-01-04 | Impeller rotating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989387U true CN207989387U (en) | 2018-10-19 |
Family
ID=63819666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820009778.2U Expired - Fee Related CN207989387U (en) | 2018-01-04 | 2018-01-04 | Impeller rotating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384212A (en) * | 2022-03-23 | 2022-04-22 | 武汉贺为科技有限公司 | Intelligent environment-friendly air monitoring system, method and equipment |
-
2018
- 2018-01-04 CN CN201820009778.2U patent/CN207989387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384212A (en) * | 2022-03-23 | 2022-04-22 | 武汉贺为科技有限公司 | Intelligent environment-friendly air monitoring system, method and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 125000 fine chemical industry park, high tech Industrial Development Zone, Huludao City, Liaoning Province Patentee after: Liaoning Jinhua Transmission Machinery Manufacturing Co.,Ltd. Address before: 125000 fine chemical industry park, high tech Industrial Development Zone, Huludao City, Liaoning Province Patentee before: HULUDAO JINXI CHEMICAL MACHINERY AND HEAVY INDUSTRY TURBINE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |