CN220286060U - Compressor impeller mounting structure - Google Patents
Compressor impeller mounting structure Download PDFInfo
- Publication number
- CN220286060U CN220286060U CN202321522645.2U CN202321522645U CN220286060U CN 220286060 U CN220286060 U CN 220286060U CN 202321522645 U CN202321522645 U CN 202321522645U CN 220286060 U CN220286060 U CN 220286060U
- Authority
- CN
- China
- Prior art keywords
- impeller
- mounting structure
- drive shaft
- compressor
- bearing
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000035515 penetration Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a compressor impeller mounting structure, includes the impeller, in the spiral case was located to the impeller, the impeller is connected on the drive shaft of a penetration spiral case, and the impeller both sides all are equipped with blade and water conservancy diversion awl, and the water conservancy diversion awl is fixed to be cup jointed in the drive shaft, and the water conservancy diversion awl is connected with the impeller, is equipped with the ring on the spiral case inner wall, and the impeller both sides respectively correspond a type ring, are equipped with integral type bearing in the drive shaft, and the impeller is installed on integral type bearing. According to the utility model, the impeller is arranged on the driving shaft through the integrated bearing, the position of the impeller is not on the cantilever, the mechanical structure is more stable and balanced, the rotation stability of the impeller can be improved, and the vibration of the impeller during operation is reduced, so that the pressure stability of output gas is better controlled.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to a compressor impeller mounting structure.
Background
The impeller is a core component of the compressor, and is matched with a compression cavity on a volute of the compressor to compress input gas and then output compressed gas with pressure. The impeller in the conventional compressor is connected to the output shaft of the engine, the output shaft of the engine is of a cantilever structure, the impeller is positioned on the cantilever and is far away from the bearing of the output shaft, the impeller is unstable in rotation and has a certain eccentric amount, and the running vibration of the impeller is unfavorable for controlling the pressure stability of output gas. For example, the utility model patent with publication number CN218439883U discloses a compressor impeller assembly and a shock wave compressor, and the utility model performs two-stage compression by a compression impeller and a centrifugal impeller, so that the utility model meets the industrial gas requirement. However, the impeller is also positioned at the output end of the driving device, that is, the impeller is positioned on the cantilever, so that the impeller is unstable during rotation.
Disclosure of Invention
The existing mounting structure of the compressor impeller can cause unstable rotation of the impeller and is not beneficial to controlling the pressure stability of output gas.
The technical scheme of the utility model is as follows: the utility model provides a compressor impeller mounting structure, includes the impeller, in the spiral case was located to the impeller, the impeller is connected on the drive shaft of a penetration spiral case, and the impeller both sides all are equipped with blade and water conservancy diversion awl, and the water conservancy diversion awl is fixed to be cup jointed in the drive shaft, and the water conservancy diversion awl is connected with the impeller, is equipped with the ring on the spiral case inner wall, and the impeller both sides respectively correspond a type ring, are equipped with integral type bearing in the drive shaft, and the impeller is installed on integral type bearing. The gap between the guide cone and the ring forms an air inlet channel, air is led in from two ends of the impeller, and then the impeller is used for compressing the air. The impeller mounting structure is different from the prior art, the impeller is mounted on the driving shaft through the integral bearing, the position of the driving shaft corresponding to the impeller can be stably supported, the position of the impeller is not on the cantilever, and the mechanical structure is more stable and balanced, so that the rotation stability of the impeller can be improved, the vibration of the impeller during operation is reduced, and the pressure stability of output gas is better controlled. In addition, the blades are arranged on two sides of the impeller, the two sides of the impeller can work, and the axial stress directions of the two sides of the impeller due to compressed gas are opposite during working, so that the integral axial stress of the impeller is counteracted, and the running stability and the service life of the impeller are further improved.
Preferably, the driving shaft is of a three-section structure and comprises two power connecting sections and a middle section, two ends of the middle section are connected with the power connecting sections through couplings, and the integral bearing is arranged on the middle section. The power connection section is formed by directly extending the output ends of power devices such as a motor, a heat engine and the like. The middle section is used for installing the integrated bearing and the impeller, the middle section, the integrated bearing and the impeller can be kept independent with the power device, the assembly processing is carried out respectively, and finally the connection is completed through the coupler, so that the production and the processing are greatly facilitated, and the installation efficiency of the compressor impeller is improved.
Preferably, the ring corresponds to the guide cone in position, and the inner circumferential surface of the ring and the guide cone surface form a trumpet-shaped air inlet channel. The trumpet-shaped air inlet channel is beneficial to collecting and guiding the air.
Preferably, the guide cone is in interference fit with the drive shaft. The interference fit can reduce connecting pieces, simplify connecting structures and improve assembly efficiency.
Preferably, the guide cone is in transmission connection with the end face of the impeller through a friction fit surface. Therefore, transmission parts can be reduced, a transmission structure is simplified, assembly efficiency is improved, and the weight reduction of the whole machine and the structural compactness are facilitated.
Preferably, the impeller is provided with a central hole, the integrated bearing is arranged in the central hole, and the axial dimension of the integrated bearing is matched with the depth of the central hole of the impeller. The integral bearing is fully overlapped with the central hole of the impeller in the axial direction, so that the impeller is fully supported, and the running stability of the impeller is ensured. In addition, the axial dimension of the integral bearing is larger for matching with the impeller, and more grease can be contained, so that the continuous working capacity of the compressor is improved, and the maintenance workload is reduced.
Preferably, the guide cone is in the shape of a sphere. The spherical guide cone has smooth surface, can reduce air resistance and well guide air flow.
The beneficial effects of the utility model are as follows:
the impeller rotation stability is better. According to the utility model, the impeller is arranged on the driving shaft through the integrated bearing, the position of the impeller is not on the cantilever, the mechanical structure is more stable and balanced, the rotation stability of the impeller can be improved, and the vibration of the impeller during operation is reduced, so that the pressure stability of output gas is better controlled.
Eliminating axial force during operation of the impeller. According to the utility model, the blades are arranged on both sides of the impeller, both sides of the impeller can work, and the axial stress directions of the two sides of the impeller due to compressed gas are opposite during working, so that the integral axial stress of the impeller is counteracted, and the running stability and the service life of the impeller are further improved.
The continuous working capacity of the compressor is improved. The axial dimension of the integrated bearing is larger to match with the impeller, and more grease can be contained, so that the continuous working capacity of the compressor is improved, and the maintenance workload is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is an axial cross-sectional view of the present utility model;
FIG. 4 is a schematic view of the mating structure of the impeller, drive shaft, cone and ring of the present utility model;
FIG. 5 is a schematic view of the present utility model with its internal components disassembled;
fig. 6 is a schematic structural view of a compressor to which the present utility model is applied.
In the figure, 1-impeller, 2-volute, 3-driving shaft, 4-diversion cone, 5-ring, 6-integrated bearing, 7-coupling, 8-motor, 9-cylinder shell, 10-air suction port and 11-air exhaust port.
Detailed Description
The utility model will be further described with reference to specific embodiments in the drawings.
Examples:
as shown in fig. 1 to 6, a compressor impeller mounting structure is used for a dual motor driven compressor. The compressor impeller mounting structure comprises an impeller 1, wherein the impeller 1 is arranged in a volute 2, the impeller 1 is connected to a driving shaft 3 penetrating through the volute 2, and two ends of the driving shaft 3 are correspondingly connected with two motors 8 one by one. The motor 8 is sleeved with a cylinder shell 9, and the port of the cylinder shell 9 forms an air suction port 10 of the compressor. The volute 2 is provided with an exhaust port 11. The impeller 1 both sides all are equipped with blade and water conservancy diversion awl 4, and water conservancy diversion awl 4 is fixed to be cup jointed on drive shaft 3, and water conservancy diversion awl 4 is connected with impeller 1, is equipped with annular 5 on the spiral case 2 inner wall, and impeller 1 both sides respectively correspond one type annular 5, are equipped with integral type bearing 6 on the drive shaft 3, and impeller 1 installs on integral type bearing 6. The impeller 1 is provided with a central hole, the integrated bearing 6 is arranged in the central hole, and the axial dimension of the integrated bearing 6 is matched with the depth of the central hole of the impeller 1. The driving shaft 3 is of a three-section structure and comprises two power connecting sections and a middle section, two sides of the middle section are connected with the power connecting sections through couplers 7, and an integral bearing 6 is arranged on the middle section. The ring 5 corresponds to the guide cone 4 in position, and the inner peripheral surface of the ring 5 and the surface of the guide cone 4 form a trumpet-shaped air inlet channel which is communicated with the air suction port 10. The guide cone 4 is in a spherical table shape, the guide cone 4 is sleeved on the driving shaft 3, and the guide cone 4 is in interference fit with the driving shaft 3. The two end faces of the impeller 1 are both planes, the end face of the large-diameter end of the guide cone 4 is also a plane, and during assembly, the end face of the large-diameter end of the guide cone 4 is tightly attached to the end face of the impeller 1, and because the interference fit between the guide cone 4 and the driving shaft 3 can ensure that the guide cone 4 maintains a large pressure with the impeller 1, a friction fit surface is formed between the end face of the large-diameter end of the guide cone 4 and the end face of the impeller 1, and the transmission connection of the guide cone 4 and the impeller 1 is realized through the friction fit surface.
When the compressor works, the two motors 8 synchronously rotate to drive the driving shaft 3 to rotate, the driving shaft 3 drives the flow guide cone 4 to rotate, the impeller 1 is driven to rotate in static friction between the flow guide cone 4 and the impeller 1, blades of the impeller 1 are matched with a compression cavity of the volute 2, and gas is compressed and then output from the exhaust port 11. After the gas is output, a pressure difference is formed between the inside and the outside of the scroll casing 2, and the gas is sucked through the inlet 10, so that the gas is continuously compressed and discharged.
Claims (7)
1. The utility model provides a compressor impeller mounting structure, including impeller (1), in a spiral case (2) is located in impeller (1), impeller (1) are connected on drive shaft (3) of a penetration spiral case (2), characterized by, impeller (1) both sides all are equipped with blade and water conservancy diversion awl (4), water conservancy diversion awl (4) are fixed cup joint on drive shaft (3), water conservancy diversion awl (4) are connected with impeller (1), be equipped with type ring (5) on spiral case (2) inner wall, impeller (1) both sides respectively correspond type ring (5), be equipped with integral type bearing (6) on drive shaft (3), impeller (1) are installed on integral type bearing (6).
2. The compressor impeller mounting structure according to claim 1, wherein the drive shaft (3) is of a three-section structure including two power connection sections and an intermediate section, both sides of the intermediate section being connected with the power connection sections through a coupling (7), and the integral bearing (6) being mounted on the intermediate section.
3. The compressor impeller mounting structure according to claim 1, wherein the swage ring (5) corresponds in position to the pilot cone (4) and the inner peripheral surface of the swage ring (5) and the surface of the pilot cone (4) constitute a trumpet-shaped air intake passage.
4. The compressor wheel mounting structure according to claim 1, wherein the guide cone (4) is interference fit with the drive shaft (3).
5. The compressor impeller mounting structure according to claim 1, wherein the guide cone (4) is in driving connection with the end face of the impeller (1) through a friction fit face.
6. The compressor impeller mounting structure according to claim 1, wherein the impeller (1) is provided with a center hole, the integral bearing (6) is provided in the center hole, and an axial dimension of the integral bearing (6) is adapted to a depth of the center hole of the impeller (1).
7. The compressor impeller mounting structure according to any one of claims 1 to 6, characterized in that the flow guide cone (4) is in the shape of a sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522645.2U CN220286060U (en) | 2023-06-14 | 2023-06-14 | Compressor impeller mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522645.2U CN220286060U (en) | 2023-06-14 | 2023-06-14 | Compressor impeller mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286060U true CN220286060U (en) | 2024-01-02 |
Family
ID=89332069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321522645.2U Active CN220286060U (en) | 2023-06-14 | 2023-06-14 | Compressor impeller mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286060U (en) |
-
2023
- 2023-06-14 CN CN202321522645.2U patent/CN220286060U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201568303U (en) | Symmetrical balance type synchronous rotating compression machine | |
| KR20090095378A (en) | Hermetic compressor | |
| CN220286060U (en) | Compressor impeller mounting structure | |
| CN219570360U (en) | Compact double-cylinder centrifugal compressor | |
| CN217327825U (en) | Novel structure IGV guide valve | |
| CN109611331A (en) | A kind of non-circular gear drive formula air compressor | |
| CN219472163U (en) | High-pressure gas driven turbine mechanism | |
| CN114278611A (en) | Adjustable guide vane structure of turbocharger compressor and control method | |
| CN113676014A (en) | MCL compression system connected with magnetic suspension motor drive through magnetic coupling | |
| CN210196008U (en) | Water lubrication screw compressor | |
| CN208749542U (en) | The two stages of compression double-screw type air compressor head of asynchronous ventilated machine driving | |
| CN112283108A (en) | Outer rotor rotary vane vacuum pump directly driven by permanent magnet synchronous motor | |
| CN113048079A (en) | Air supercharging device with back-to-back type impellers | |
| CN219953659U (en) | Integral type oil injection screw vacuum pump | |
| CN207485625U (en) | Compressor | |
| CN220909959U (en) | Compressor with a compressor body having a rotor with a rotor shaft | |
| CN201284676Y (en) | Vertical axis general petrol engine crankcase cover with engine oil pump | |
| CN114215761B (en) | Compressor and air conditioner | |
| KR101252100B1 (en) | Rotation structure of impellers in turbo compressor | |
| CN215871122U (en) | MCL compression system connected with magnetic suspension motor drive through magnetic coupling | |
| CN219639054U (en) | Double-stage compression split type host of gearless permanent magnet motor | |
| CN215109336U (en) | Oil-free piston type air compressor | |
| CN215333416U (en) | Take doublestage helical-lobe compressor of oil pump structure | |
| CN219317196U (en) | Main shaft of vortex compressor | |
| CN215860934U (en) | Balanced high-efficient multistage pump of shaft seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |