CN106640750B - A kind of high-speed centrifugal compressor impeller rotor - Google Patents
A kind of high-speed centrifugal compressor impeller rotor Download PDFInfo
- Publication number
- CN106640750B CN106640750B CN201610851104.2A CN201610851104A CN106640750B CN 106640750 B CN106640750 B CN 106640750B CN 201610851104 A CN201610851104 A CN 201610851104A CN 106640750 B CN106640750 B CN 106640750B
- Authority
- CN
- China
- Prior art keywords
- rotor
- impeller
- stud
- locking nut
- centrifugal compressor
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/662—Balancing of rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of high-speed centrifugal compressor impeller rotor, is made up of locking nut, balancing loop, stud, impeller, casing, rotor.Balancing loop along the circumferential direction matches somebody with somebody repeated hole provided with what is uniformly arranged, it is close to impeller upper surface in balancing loop lower surface, leave boss in impeller lower surface, the direction when thread rotary orientation of stud is according to working rotor determines, threaded connection the more turns the more tight when ensureing to rotate at a high speed, and the upper surface of rotor is provided with screwed hole, and the lower end screw thread of stud is connected with rotor, the upper end of stud is connected with locking nut, and casing at vane rotor cooperation with leaving gap.High-speed centrifugal compressor impeller rotor structure of the present invention, is connected with locking nut by stud and is locked together impeller and rotor.Due to eliminating traditional keyway connected mode, can avoid because rotor circumference direction slot caused by rotor unbalance value it is big the problem of, effectively improve stability during rotor high-speed cruising.
Description
Technical field
The present invention relates to a kind of high speed compressor vane rotor structure, more particularly to high-speed direct-drive blade wheel structure.
Background technology
Traditional low speed rotation equipment, overall efficiency is low, noise is big, volume is big, poor reliability.Applied to compressor, drum
The impeller of the equipment such as blower fan, blower fan and the connected mode of rotor are mainly coordinated and are interference fitted by keyway to realize, for operation
Turn the high-speed direct-drive vane rotor structure of the above in per minute tens of thousands of or even hundreds of thousands, notch effect caused by the keyway on axle,
Stress concentration is easily produced, influences workpiece strength and life-span, keyway, which coordinates, at high speeds causes rotor dynamic balancing precision to be difficult to protect
Card, using the vane rotor of interference fit so that dismounting is very difficult.In order to realize high rotating speed, ensure vane rotor system
System stable operation at high speeds, prior art need to be improved and solve technical deficiency part.
The content of the invention
The technology of the present invention solves problem：A kind of overcome the deficiencies in the prior art, there is provided simple in construction, technical maturity
Quick runner rotor structure, requirement of the high-speed direct-drive centrifugal compressor to rotor stability and reliability can be met.
The present invention solves the technical scheme that technical problem uses：A kind of high-speed centrifugal compressor impeller rotor, by locking
Tight nut, balancing loop, stud, impeller, casing, rotor composition.The balancing loop is along the circumferential direction provided with and arranged
Row match somebody with somebody repeated hole, and balancing loop lower surface is parallel to be close to impeller upper surface, and the locking nut is provided with the groove of dismounting, described
Boss is left in impeller lower surface, and boss is used for duplicate removal during vane rotor static balance.The stud uses alloy steel material, spiral shell
Direction when line rotation direction is according to working rotor determines, ensures that threaded connection the more turns the more tight during rotation at a high speed, for right-handed thread, turns
Sub- direction of rotation is seen as counterclockwise from rotor end-face；It is on the contrary for left hand thread.The upper surface of the rotor is provided with screw thread
Hole, the lower end screw thread of stud are connected with rotor, and the upper end of stud is connected with locking nut.Described impeller, double end
Cooperation between bolt, rotor is coaxial.
For the present invention due to using above technical scheme, it has advantages below：Due to eliminating traditional keyway connected mode,
It can avoid slotting in rotor circumference direction and causing the increase of rotor unbalance value, effectively improve stabilization during rotor high-speed cruising
Property.
Brief description of the drawings
Fig. 1 is high speed compressor vane rotor structural representation；
Fig. 2 is on-line dynamic balancing ring schematic diagram；
Fig. 3 is locking nut schematic diagram；
Fig. 4 is impeller lower surface boss schematic diagram.
Embodiment
As shown in figure 1, the present invention is a kind of high speed compressor vane rotor structure, it is mainly by locking nut (1), dynamic
Balance ring (2), stud (3), impeller (4), casing (5), rotor (6) composition.Balancing loop (2) is along the circumferential direction provided with equal
Cloth arrangement is close to impeller (4) upper surface, impeller (4) inner circle with repeated hole as shown in Fig. 2 balancing loop (2) lower surface is parallel
Post surface is coaxial with rotor (6) upper end mating surface, vertical with impeller (4) lower surface at the shaft shoulder to coordinate, on rotor (6) in shaft end
Heart position is provided with screwed hole, and screw thread internal surface of hole and rotor (6) are coaxial.Impeller (4) and rotor (6) by locking nut (1) and
Stud (3) is threadedly coupled their axial compressions.The direction when thread rotary orientation of stud (3) is according to working rotor is true
It is fixed, it is threadedly coupled when ensureing to rotate at a high speed and the more turns the more tight, for right-handed thread, rotor direction of rotation is seen as the inverse time from rotor end-face
Pin direction；It is on the contrary for left hand thread.By hydraulic means by after impeller (4) and rotor (6) axial compression, as shown in figure 3,
Locking nut (1) is tightened by two symmetrical holes.When vane rotor carries out static balance, under the duplicate removal position of impeller (4) is
The boss that end face is provided with, when vane rotor enters action balance, aggravated by being provided with the repeated hole of matching somebody with somebody uniformly arranged in balancing loop (2)
Method realize should there is δ=0.6mm fit clearance between impeller lower surface as shown in Figure 4 boss and casing (5) upper surface,
There is ε=0.8mm fit clearance between casing (5) internal diameter and rotor (6) internal diameter.
In addition it should be pointed out that heretofore described component names and shape can be different, it is every according to present inventive concept institute
Modification, supplement and the improvement that construction, feature and the principle stated are made, are regarded as protection scope of the present invention.
Claims (4)
- A kind of 1. high-speed centrifugal compressor impeller rotor, it is characterised in that：By locking nut (1), balancing loop (2), double end Bolt (3), impeller (4), casing (5), rotor (6) composition；Described balancing loop (2) is along the circumferential direction provided with what is uniformly arranged With repeated hole, impeller (4) upper surface, described impeller (4) lower surface and rotor (6) upper end are close in balancing loop (2) lower surface The shaft shoulder is engaged, and has 0.6mm gaps, casing (5) internal diameter and rotor between impeller (4) lower surface boss and casing (5) upper surface Have 0.8mm gaps between internal diameter, rotor (6) upper surface be provided with screwed hole, impeller (4) and rotor (6) by locking nut (1) and Stud (3) threaded connection by them by hydraulic means by after impeller (4) and rotor (6) axial compression, locking nut (1) Tightened by two symmetrical holes, locking nut (1) lower surface coordinates with balancing loop (2) upper surface, described impeller (4) Inner periphery and rotor (6) upper end mating surface are coaxial, vertical with impeller (4) lower surface at the shaft shoulder to coordinate, impeller (4) lower surface Go to reuse when leaving boss as offline static balance.
- A kind of 2. high-speed centrifugal compressor impeller rotor according to claim 1, it is characterised in that：Described dynamic balancing Ring (2) lower surface is parallel with impeller (4) upper surface, along the circumferential direction there is the counterweight screwed hole that radial equipartition arranges, vane rotor When entering action balance, realized by being provided with the method aggravated with repeated hole uniformly arranged in balancing loop (2).
- A kind of 3. high-speed centrifugal compressor impeller rotor according to claim 1, it is characterised in that：Described rotor (6) shaft end center is provided with screwed hole on, and screw thread internal surface of hole and rotor (6) are coaxial.
- A kind of 4. high-speed centrifugal compressor impeller rotor according to claim 1, it is characterised in that：Described double end spiral shell The direction when thread rotary orientation of bolt (3) is according to working rotor determines, ensures that threaded connection the more turns the more tight during rotation at a high speed, for the right side Screw thread is revolved, rotor direction of rotation is seen as counterclockwise from rotor end-face；It is on the contrary for left hand thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851104.2A CN106640750B (en) | 2016-09-26 | 2016-09-26 | A kind of high-speed centrifugal compressor impeller rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851104.2A CN106640750B (en) | 2016-09-26 | 2016-09-26 | A kind of high-speed centrifugal compressor impeller rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640750A CN106640750A (en) | 2017-05-10 |
| CN106640750B true CN106640750B (en) | 2018-03-02 |
Family
ID=58853720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610851104.2A Expired - Fee Related CN106640750B (en) | 2016-09-26 | 2016-09-26 | A kind of high-speed centrifugal compressor impeller rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640750B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091119B (en) * | 2017-06-14 | 2019-04-09 | 南京航空航天大学 | Magnetic suspension turbo-expander impeller of rotor assembly and its localization method |
| CN107677469A (en) * | 2017-10-30 | 2018-02-09 | 南京磁谷科技有限公司 | It is used for the conversion sleeve of impeller test in a kind of overspeed test bench |
| CN107906045A (en) * | 2017-12-15 | 2018-04-13 | 南通大通宝富风机有限公司 | A kind of monopole centrifugal blower rotor |
| CN108488094A (en) * | 2018-05-11 | 2018-09-04 | 德清恒鑫电子有限公司 | A kind of anti-dropout pivot structure for fan |
| CN110360151A (en) * | 2019-08-26 | 2019-10-22 | 辽宁福鞍燃气轮机有限公司 | A kind of semi-open centrifugal impeller with splitterr vanes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110402A (en) * | 2014-07-30 | 2014-10-22 | 无锡杰尔压缩机有限公司 | Semi-open type impeller structure with annular boss |
| CN104110403B (en) * | 2014-08-06 | 2016-06-01 | 南京磁谷科技有限公司 | Centrifugal blower is led fan blade and is always become |
| CN105090109A (en) * | 2015-09-11 | 2015-11-25 | 南京磁谷科技有限公司 | Impeller assembly of high-speed centrifugal type air blower |
-
2016
- 2016-09-26 CN CN201610851104.2A patent/CN106640750B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640750A (en) | 2017-05-10 |
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Granted publication date: 20180302 |