CN207776910U - A kind of pressure impeller that assembly precision is high - Google Patents
A kind of pressure impeller that assembly precision is high Download PDFInfo
- Publication number
- CN207776910U CN207776910U CN201721889192.1U CN201721889192U CN207776910U CN 207776910 U CN207776910 U CN 207776910U CN 201721889192 U CN201721889192 U CN 201721889192U CN 207776910 U CN207776910 U CN 207776910U
- Authority
- CN
- China
- Prior art keywords
- blade
- wheel disc
- assembly precision
- disc ontology
- axis hole
- 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
Links
Abstract
The utility model discloses a kind of pressure impellers that assembly precision is high, including pressing impeller body, the pressure impeller body includes wheel disc ontology and blade body, the left side of the wheel disc ontology is equipped with the first arcwall face, the right side of the wheel disc ontology is equipped with the second arcwall face, and running through in the wheel disc ontology has axis hole.First blade, the second blade, third blade, quaterfoil, the 5th blade and the 6th blade are identical in the hand of spiral of the first arcwall face, the upper tolerance of stringent control axis hole is no more than+0.008, the lower tolerance of axis hole is no more than+0.002, axis hole gap is small, the surface roughness of wheel disc ontology and blade body is 3.2, so that assembly precision greatly promotes, improve product quality, with very high practicability, it is functional to greatly improve a kind of using for the high pressure impeller of assembly precision, ensure its using effect and utilization benefit, is suitble to be widely popularized.
Description
Technical field
The utility model is related to press impeller technical field, specially a kind of pressure impeller that assembly precision is high.
Background technology
Turbine (Turbo) is the fan in the engine of automobile or aircraft, by using exhaust gas (exhaust gases)
Fuel vapour (fuel vapour) is blown into engine, to improve the performance of engine.Turbine is a kind of energy by flow working medium
Be converted to the rotary power machinery of mechanical work.It is one of the critical piece of aero-engine, gas turbine and steam turbine.
Pressure impeller is the important component of turbine, and traditional pressure blade wheel structure is relatively more fixed, and axis hole gap is big, and assembly precision is not high,
So that turning poor with effect, product quality is not high, has certain limitation.
Utility model content
The purpose of this utility model is to provide a kind of pressure impellers that assembly precision is high, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：A kind of pressure impeller that assembly precision is high, including
It includes wheel disc ontology and blade body to press impeller body, the pressure impeller body, and the left side of the wheel disc ontology is equipped with the
The right side of one arcwall face, the wheel disc ontology is equipped with the second arcwall face, and running through in the wheel disc ontology has axis hole.
Preferably, the blade body include the first blade, the second blade, third blade, quaterfoil, the 5th blade and
6th blade, first blade, the second blade, third blade, quaterfoil, the 5th blade and six-bladed specification phase
Together, first blade, the second blade, third blade, quaterfoil, the 5th blade and the 6th blade are set gradually, and described
One blade, the second blade, third blade, quaterfoil, the 5th blade and the 6th the blade circular array on the first arcwall face
Distribution.
Preferably, the upper tolerance of the axis hole is no more than+0.008, and the lower tolerance of the axis hole is no more than+, the wheel disc
The surface roughness of ontology and blade body is 3.2.
Preferably, the wheel disc ontology and blade body are integrally formed by numerically controlled lathe.
Compared with prior art, the utility model has the beneficial effects that：A kind of pressure leaf that assembly precision is high of the utility model
Wheel, structure novel, the first blade, the second blade, third blade, quaterfoil, the 5th blade and the 6th blade are in the first arc
Circular array is distributed on face, and the first blade, the second blade, third blade, quaterfoil, the 5th blade and the 6th blade
Identical in the hand of spiral of the first arcwall face, the stringent upper tolerance for controlling axis hole is no more than+0.008, and the lower tolerance of axis hole does not surpass
+ 0.002 is crossed, axis hole gap is small, and the surface roughness of wheel disc ontology and blade body is 3.2 so that assembly precision carries significantly
It rises, improves product quality, there is very high practicability, greatly improve a kind of use function of the high pressure impeller of assembly precision
Property, ensure its using effect and utilization benefit, is suitble to be widely popularized.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the high pressure impeller of assembly precision of the utility model；
Fig. 2 is a kind of left view structural representation of the high pressure impeller of assembly precision of the utility model；
Fig. 3 is a kind of pressure impeller body structural schematic diagram of the high pressure impeller of assembly precision of the utility model.
In figure：1 pressure impeller body, 2 wheel disc ontologies, 3 blade bodies, 4 first arcwall faces, 5 second arcwall faces, 6 axis holes, 7
First blade, 8 second blades, 9 third blades, 10 quaterfoils, 11 the 5th blades, 12 the 6th blades.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of pressure impeller that assembly precision is high, including pressure
Impeller body 1, the pressure impeller body 1 include wheel disc ontology 2 and blade body 3, and the left side of the wheel disc ontology 2 is equipped with
The right side of first arcwall face 4, the wheel disc ontology 2 is equipped with the second arcwall face 5, and running through in the wheel disc ontology 2 has axis hole
6, the blade body 3 includes the first blade 7, the second blade 8, third blade 9, quaterfoil 10, the 5th blade 11 and the 6th
Blade 12, first blade 7, the second blade 8, third blade 9, quaterfoil 10, the 5th blade 11 and the 6th blade 12
Specification is identical, first blade 7, the second blade 8, third blade 9, quaterfoil 10, the 5th blade 11 and the 6th blade 12
It sets gradually, first blade 7, the second blade 8, third blade 9, quaterfoil 10, the 5th blade 11 and the 6th blade 12
Circular array is distributed on the first arcwall face 4, and the upper tolerance of the axis hole 6 is no more than+0.008, the lower tolerance of the axis hole 6
No more than+0.002, the surface roughness of the wheel disc ontology 2 and blade body 3 is 3.2, the wheel disc ontology 2 and blade
Ontology 3 is integrally formed by numerically controlled lathe.
Operation principle：A kind of pressure impeller that assembly precision is high of the utility model, in use, the first blade 7, the second blade 8,
Third blade 9, quaterfoil 10, the 5th blade 11 and the 6th blade 12 circular array on the first arcwall face 4 are distributed, and
First blade 7, the second blade 8, third blade 9, quaterfoil 10, the 5th blade 11 and the 6th blade 12 are in the first arcwall face 4
The hand of spiral it is identical, the stringent upper tolerance for controlling axis hole 6 is no more than+0.008, and the lower tolerance of axis hole 6 is no more than+0.002, axis
6 gap of hole is small, and the surface roughness of wheel disc ontology 2 and blade body 3 is 3.2 so that assembly precision greatly promotes, and improves production
Quality has very high practicability.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
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 (4)
1. a kind of pressure impeller that assembly precision is high, including pressure impeller body（1）, it is characterised in that：The pressure impeller body（1）Packet
Include wheel disc ontology（2）And blade body（3）, the wheel disc ontology（2）Left side be equipped with the first arcwall face（4）, the wheel
Disk ontology（2）Right side be equipped with the second arcwall face（5）, the wheel disc ontology（2）In through there is axis hole（6）.
2. a kind of high pressure impeller of assembly precision according to claim 1, it is characterised in that：The blade body（3）Packet
Include the first blade（7）, the second blade（8）, third blade（9）, quaterfoil（10）, the 5th blade（11）With the 6th blade
（12）, first blade（7）, the second blade（8）, third blade（9）, quaterfoil（10）, the 5th blade（11）With the 6th
Blade（12）Specification it is identical, first blade（7）, the second blade（8）, third blade（9）, quaterfoil（10）, the 5th
Blade（11）With the 6th blade（12）It sets gradually, first blade（7）, the second blade（8）, third blade（9）, the 4th leaf
Piece（10）, the 5th blade（11）With the 6th blade（12）In the first arcwall face（4）Upper circular array distribution.
3. a kind of high pressure impeller of assembly precision according to claim 1, it is characterised in that：The axis hole（6）Upper public affairs
Difference is no more than+0.008, the axis hole（6）Lower tolerance be no more than+0.002, the wheel disc ontology（2）And blade body（3）'s
Surface roughness is 3.2.
4. a kind of high pressure impeller of assembly precision according to claim 1, it is characterised in that：The wheel disc ontology（2）With
Blade body（3）It is integrally formed by numerically controlled lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889192.1U CN207776910U (en) | 2017-12-29 | 2017-12-29 | A kind of pressure impeller that assembly precision is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889192.1U CN207776910U (en) | 2017-12-29 | 2017-12-29 | A kind of pressure impeller that assembly precision is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207776910U true CN207776910U (en) | 2018-08-28 |
Family
ID=63225850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721889192.1U Expired - Fee Related CN207776910U (en) | 2017-12-29 | 2017-12-29 | A kind of pressure impeller that assembly precision is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207776910U (en) |
-
2017
- 2017-12-29 CN CN201721889192.1U patent/CN207776910U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20201229 |