CN111828400A - Single-stage impeller of compressor - Google Patents
Single-stage impeller of compressor Download PDFInfo
- Publication number
- CN111828400A CN111828400A CN202010769923.9A CN202010769923A CN111828400A CN 111828400 A CN111828400 A CN 111828400A CN 202010769923 A CN202010769923 A CN 202010769923A CN 111828400 A CN111828400 A CN 111828400A
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- CN
- China
- Prior art keywords
- connecting shaft
- disc
- fixing plate
- wheel disc
- stage impeller
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- 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.)
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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
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
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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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of compressors, in particular to a single-stage impeller of a compressor, which comprises a lower wheel disc, wherein one side of the lower wheel disc is fixedly connected with a connecting shaft disc, the inner side of the connecting shaft disc is provided with a fixing rivet, the connecting shaft disc is fixedly connected with an upper wheel disc through the fixing rivet, one side of the connecting shaft disc is fixedly connected with a short blade, and the inner side of the lower wheel disc is provided with a connecting shaft; in the invention, when the impeller is used, the impeller main body can be limited and fixed by the arrangement of the fixing plates and the matching of the connecting shaft, and the contact between the plates and the impeller main body can be reduced by the protection pad on one side of each fixing plate, so that gaps are prevented from being formed between parts in the installation process.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a single-stage impeller of a compressor.
Background
The compressor is a driven fluid machine for raising low-pressure gas into high-pressure gas, and is a heart of refrigeration system, and is characterized by that it can suck low-temperature low-pressure refrigerant gas from air suction pipe, and utilizes the motor to drive piston to compress it, then can discharge high-temperature high-pressure refrigerant gas into exhaust pipe to provide power for refrigeration cycle.
The installation of the impeller of most compressors that exists on the market has the problem that locking device structure is complicated and inconvenient to operate, when needing to maintain or change the impeller, not only needs to waste more time to dismantle, moreover, also comparatively wastes time and energy during the installation, consequently, provides a compressor single-stage impeller to above-mentioned problem.
Disclosure of Invention
The present invention is directed to a single-stage impeller for a compressor to solve the problems set forth above in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a compressor single-stage impeller comprises a lower wheel disc, wherein one side of the lower wheel disc is fixedly connected with a connecting shaft disc, the inner side of the connecting shaft disc is provided with a fixing rivet, the connecting shaft disc is fixedly connected with an upper wheel disc through the fixing rivet, one side of the connecting shaft disc is fixedly connected with a short blade, one side of the connecting shaft disc is fixedly connected with a long blade, the inner side of the lower wheel disc is provided with a connecting shaft, the connecting shaft is connected with the connecting shaft disc in a penetrating way, the outer side of the connecting shaft is sleeved with a limiting ring, the inner side of the limiting ring is spirally connected with an adjusting bolt, the upper end and the lower end of the connecting shaft are both fixedly connected with a shaft coupler, one side of the lower wheel disc is connected with a lower fixing plate in a laminating way, the inner side of the lower fixing plate is connected with the connecting, and fastening bolts are arranged on the inner sides of the lower fixing plate and the upper fixing plate, and fastening nuts are spirally connected to the outer sides of the fastening bolts.
Preferably, the diameter of the lower wheel disc is the same as that of the upper wheel disc, and the upper wheel disc is attached to the lower wheel disc.
Preferably, the number of the short blades and the long blades is multiple, and the short blades and the long blades are uniformly distributed at equal intervals.
Preferably, the inner side of the connecting shaft disc is provided with a compressing shaft sleeve, and the compressing shaft sleeves are arranged in an up-and-down symmetrical manner.
Preferably, the lower fixing plate and the upper fixing plate are both of stainless steel structure.
Preferably, the inner diameter of the protruding part of the upper fixing plate is matched with the outer diameter of the top of the connecting shaft disc, and the protection pads are arranged on one sides of the lower fixing plate and the upper fixing plate.
Preferably, the fastening bolts are respectively connected with the lower wheel disc, the upper wheel disc and the connecting shaft disc in a penetrating manner, and the fastening bolts are distributed in an annular array.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, when the impeller is used, the fixed plates are arranged and matched with the connecting shaft to limit and fix the impeller main body, the protective pad on one side of each fixed plate can reduce the contact between the plate and the impeller main body, and gaps are prevented from being formed between parts in the installation process, in addition, when the impeller is installed, the two fixed plates can be effectively connected through the action of the fastening bolt, and the impeller main body is further limited and fixed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is a schematic view of the mounting structure of the blade of the present invention;
in the figure: 1. a lower wheel disc; 2. an upper wheel disc; 3. fixing the rivet; 4. connecting the shaft disc; 5. short blades; 6. a long blade; 7. compressing the shaft sleeve; 8. a connecting shaft; 9. a limiting ring; 10. adjusting the bolt; 11. a coupling; 12. a lower fixing plate; 13. an upper fixing plate; 14. fastening a bolt; 15. fastening a nut; 16. a protective pad.
Detailed Description
Example 1:
referring to fig. 1-3, the present invention provides a technical solution:
a compressor single-stage impeller comprises a lower wheel disc 1, one side of the lower wheel disc 1 is fixedly connected with a connecting shaft disc 4, the inner side of the connecting shaft disc 4 is provided with a fixing rivet 3, the connecting shaft disc 4 is fixedly connected with an upper wheel disc 2 through the fixing rivet 3 and is connected through rivets, so that the wheel disc is more stably installed, accidents are prevented from happening when the impeller is used, meanwhile, the service life of the impeller is longer, one side of the connecting shaft disc 4 is fixedly connected with a short blade 5, one side of the connecting shaft disc 4 is fixedly connected with a long blade 6, the long blade and the short blade are matched for use, the work of compressor air inlet compression and the like is facilitated, the inner side of the lower wheel disc 1 is provided with a connecting shaft 8, the connecting shaft 8 is connected with the connecting shaft disc 4 in a penetrating mode, the outer side of the connecting shaft 8 is sleeved with a limiting ring 9, the inner side, the upper end and the lower end of a connecting shaft 8 are fixedly connected with couplers 11, when the compressor is used and only the lower coupler 11 is used for connecting a motor, the compressor can work only by using a single-stage impeller, one side of a lower wheel disc 1 is connected with a lower fixing plate 12 in a laminating way, the inner side of the lower fixing plate 12 is connected with the connecting shaft 8 in a penetrating way, the other side of a connecting shaft disc 4 is connected with an upper fixing plate 13 in a clamping way, the inner side of the upper fixing plate 13 is connected with the connecting shaft 8 in a penetrating way, fastening bolts 14 are arranged on the inner sides of the lower fixing plate 12 and the upper fixing plate 13, fastening nuts 15 are spirally connected on the outer sides of the fastening bolts 14, the impeller is favorably reinforced, the stable safety can still be kept when the compressor works for a long time, the diameter of the lower wheel disc 1 is the same as that of the upper wheel disc 2 is connected with, the short blades 5 and the long blades 6 are uniformly distributed at equal intervals, which is beneficial to the work of air inlet compression and the like when the impeller runs, the inner side of the connecting shaft disc 4 is provided with the pressing shaft sleeves 7, the pressing shaft sleeves 7 are symmetrically arranged up and down, which is beneficial to the installation and use of the connecting shaft 8, meanwhile, the gap between the structures is reduced, so that the installation is more stable, the lower fixing plate 12 and the upper fixing plate 13 are both made of stainless steel structures, the rusting is avoided, the occurrence of accidents is prevented, the inner diameter of the convex part of the upper fixing plate 13 is matched with the outer diameter of the top part of the connecting shaft disc 4, and one side of lower fixed plate 12 and upper fixed plate 13 all is equipped with protection pad 16, does benefit to the protection part, avoids causing the damage to the part, and fastening bolt 14 is run through respectively in lower rim plate 1, upper rim plate 2 and connecting shaft dish 4, and fastening bolt 14 is the annular array and distributes for the installation of impeller is firm reliable more.
The working process is as follows: the invention utilizes the fixing rivet 3 to connect the upper wheel disc 2 and the connecting shaft disc 4, the upper wheel disc 2 and the lower wheel disc 1 are welded and connected, then the upper fixing plate 13 with the connecting shaft 8 is clamped on the connecting shaft disc 4, the lower fixing plate 12 is sleeved on the connecting shaft 8 and is provided with the spacing ring 9, after the preliminary fixing is carried out by the adjusting bolt 10, the fastening bolt 14 is used for fastening with the fastening nut 15, and finally the spacing ring 9 is adjusted and arranged again, combining the above, the part mounting mode in the invention is convenient for the later-stage disassembly and maintenance, the arrangement of the blades with different lengths on the impeller main body can better intake air, improve the air intake efficiency and effectively improve the working efficiency of the compressor, and the invention has simple binding structure, lower cost and convenient installation, and solves the problems of complex structure and inconvenient operation of the locking device in the prior art, the practicality is better, has opened up application, easily popularizes and applies, has great practical value, and when in-service use, the shaft coupling 11 of usable connecting axle 8 below is connected the motor, does benefit to the impeller work.
Example 2: referring to fig. 1-3, the present invention provides a technical solution:
a compressor single-stage impeller comprises a lower wheel disc 1, one side of the lower wheel disc 1 is fixedly connected with a connecting shaft disc 4, the inner side of the connecting shaft disc 4 is provided with a fixing rivet 3, the connecting shaft disc 4 is fixedly connected with an upper wheel disc 2 through the fixing rivet 3 and is connected through rivets, so that the wheel disc is more stably installed, accidents are prevented from happening when the impeller is used, meanwhile, the service life of the impeller is longer, one side of the connecting shaft disc 4 is fixedly connected with a short blade 5, one side of the connecting shaft disc 4 is fixedly connected with a long blade 6, the long blade and the short blade are matched for use, the work of compressor air inlet compression and the like is facilitated, the inner side of the lower wheel disc 1 is provided with a connecting shaft 8, the connecting shaft 8 is connected with the connecting shaft disc 4 in a penetrating mode, the outer side of the connecting shaft 8 is sleeved with a limiting ring 9, the inner side, the upper end and the lower end of a connecting shaft 8 are fixedly connected with a coupler 11, the coupler 11 below is used for connecting a motor, and the coupler 11 above can be used for being connected with an impeller according to requirements to form a multi-stage impeller so as to be beneficial to the work of a compressor, one side of a lower wheel disc 1 is connected with a lower fixing plate 12 in an attaching mode, the inner side of the lower fixing plate 12 is connected with the connecting shaft 8 in a penetrating mode, the other side of a connecting shaft disc 4 is connected with an upper fixing plate 13 in a clamping mode, the inner side of the upper fixing plate 13 is connected with the connecting shaft 8 in a penetrating mode, fastening bolts 14 are arranged on the inner sides of the lower fixing plate 12 and the upper fixing plate 13, fastening nuts 15 are spirally connected on the outer sides of the fastening bolts 14 so as to be beneficial to reinforcing the impeller, the impeller can still keep stable safety during long-time, the operation of the equipment is convenient, the number of the short blades 5 and the long blades 6 is multiple, the short blades 5 and the long blades 6 are uniformly distributed at equal intervals, the work of air inlet compression and the like during the operation of the impeller is facilitated, the inner side of the connecting shaft disc 4 is provided with the pressing shaft sleeves 7, the pressing shaft sleeves 7 are symmetrically arranged up and down, the use of the connecting shaft 8 is facilitated, meanwhile, the gap between structures is reduced, the installation is more stable, the lower fixing plate 12 and the upper fixing plate 13 are made of stainless steel structures, the rusting is avoided, the occurrence of accidents is prevented, the inner diameter of the protruding part of the upper fixing plate 13 is matched with the outer diameter of the top part of the connecting shaft disc 4, the protecting pads 16 are arranged on one side of the lower fixing plate 12 and one side of the upper fixing plate 13, the parts are protected, the fastening bolts 14 are respectively connected with the lower wheel disc 1, the upper wheel disc 2 and the connecting shaft disc, the impeller is more stably and reliably installed.
The working process is as follows: the invention utilizes the fixing rivet 3 to connect the upper wheel disc 2 and the connecting shaft disc 4, the upper wheel disc 2 and the lower wheel disc 1 are welded and connected, then the upper fixing plate 13 with the connecting shaft 8 is clamped on the connecting shaft disc 4, the lower fixing plate 12 is sleeved on the connecting shaft 8 and is provided with the spacing ring 9, after the preliminary fixing is carried out by the adjusting bolt 10, the fastening bolt 14 is used for fastening with the fastening nut 15, and finally the spacing ring 9 is adjusted and arranged again, combining the above, the part mounting mode in the invention is convenient for the later-stage disassembly and maintenance, the arrangement of the blades with different lengths on the impeller main body can better intake air, improve the air intake efficiency and effectively improve the working efficiency of the compressor, and the invention has simple binding structure, lower cost and convenient installation, and solves the problems of complex structure and inconvenient operation of the locking device in the prior art, the practicality is better, has opened up application, easily popularizes and applies, has great practical value, and when in-service use, the motor is connected to shaft coupling 11 of usable connecting axle 8 below, and according to the demand, the shaft coupling 11 of accessible connecting axle 8 top installs the impeller additional, has made things convenient for the work of compressor.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (7)
1. A compressor single-stage impeller, comprising a lower disk (1), characterized in that: one side of the lower wheel disc (1) is fixedly connected with a connecting shaft disc (4), the inner side of the connecting shaft disc (4) is provided with a fixing rivet (3), the connecting shaft disc (4) is fixedly connected with an upper wheel disc (2) through the fixing rivet (3), one side of the connecting shaft disc (4) is fixedly connected with a short blade (5), one side of the connecting shaft disc (4) is fixedly connected with a long blade (6), the inner side of the lower wheel disc (1) is provided with a connecting shaft (8), the connecting shaft (8) is connected with the connecting shaft disc (4) in a penetrating way, the outer side of the connecting shaft (8) is sleeved with a limiting ring (9), the inner side of the limiting ring (9) is spirally connected with an adjusting bolt (10), the upper end and the lower end of the connecting shaft (8) are fixedly connected with a coupler (11), one side of the lower wheel disc (1) is connected, and the inner side of the lower fixing plate (12) is connected with the connecting shaft (8) in a penetrating manner, the other side of the connecting shaft disc (4) is connected with an upper fixing plate (13) in a clamping manner, the inner side of the upper fixing plate (13) is connected with the connecting shaft (8) in a penetrating manner, fastening bolts (14) are arranged on the inner sides of the lower fixing plate (12) and the upper fixing plate (13), and fastening nuts (15) are spirally connected to the outer sides of the fastening bolts (14).
2. A compressor single stage impeller in accordance with claim 1 wherein: the diameter of the lower wheel disc (1) is the same as that of the upper wheel disc (2), and the upper wheel disc (2) is attached to the lower wheel disc (1).
3. A compressor single stage impeller in accordance with claim 1 wherein: the number of the short blades (5) and the long blades (6) is multiple, and the short blades (5) and the long blades (6) are uniformly distributed at equal intervals.
4. A compressor single stage impeller in accordance with claim 1 wherein: the inner side of the connecting shaft disc (4) is provided with a compressing shaft sleeve (7), and the compressing shaft sleeves (7) are arranged in a vertically symmetrical mode.
5. A compressor single stage impeller in accordance with claim 1 wherein: the lower fixing plate (12) and the upper fixing plate (13) are both of stainless steel structures.
6. A compressor single stage impeller in accordance with claim 1 wherein: the inner diameter of the protruding part of the upper fixing plate (13) is matched with the outer diameter of the top of the connecting shaft disc (4), and a protective pad (16) is arranged on one side of the lower fixing plate (12) and one side of the upper fixing plate (13).
7. A compressor single stage impeller in accordance with claim 1 wherein: the fastening bolts (14) are respectively connected with the lower wheel disc (1), the upper wheel disc (2) and the connecting shaft disc (4) in a penetrating mode, and the fastening bolts (14) are distributed in an annular array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769923.9A CN111828400A (en) | 2020-08-04 | 2020-08-04 | Single-stage impeller of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010769923.9A CN111828400A (en) | 2020-08-04 | 2020-08-04 | Single-stage impeller of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828400A true CN111828400A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010769923.9A Pending CN111828400A (en) | 2020-08-04 | 2020-08-04 | Single-stage impeller of compressor |
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| CN (1) | CN111828400A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2441432A (en) * | 1945-12-14 | 1948-05-11 | Gen Electric | High-speed rotor |
| FR1183804A (en) * | 1957-10-02 | 1959-07-15 | Improvements made to paddlewheel vehicles, especially compressors | |
| CN206874551U (en) * | 2017-04-05 | 2018-01-12 | 新兴铸管股份有限公司 | A kind of new-type impeller |
| EP3346137A4 (en) * | 2015-12-03 | 2018-08-22 | Mitsubishi Heavy Industries Compressor Corporation | Rotor of centrifugal compressor, centrifugal compressor, and method for manufacturing rotor of centrifugal compressor |
| CN109372797A (en) * | 2018-11-30 | 2019-02-22 | 深圳市商田环保科技有限公司 | A kind of impeller and the Multi-stage centrifugal fan using the impeller |
| CN210033944U (en) * | 2019-06-13 | 2020-02-07 | 河北华晟环保设备科技有限公司 | Conical shaft hole impeller of single-stage ultrahigh pressure special centrifugal fan |
-
2020
- 2020-08-04 CN CN202010769923.9A patent/CN111828400A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2441432A (en) * | 1945-12-14 | 1948-05-11 | Gen Electric | High-speed rotor |
| FR1183804A (en) * | 1957-10-02 | 1959-07-15 | Improvements made to paddlewheel vehicles, especially compressors | |
| EP3346137A4 (en) * | 2015-12-03 | 2018-08-22 | Mitsubishi Heavy Industries Compressor Corporation | Rotor of centrifugal compressor, centrifugal compressor, and method for manufacturing rotor of centrifugal compressor |
| CN206874551U (en) * | 2017-04-05 | 2018-01-12 | 新兴铸管股份有限公司 | A kind of new-type impeller |
| CN109372797A (en) * | 2018-11-30 | 2019-02-22 | 深圳市商田环保科技有限公司 | A kind of impeller and the Multi-stage centrifugal fan using the impeller |
| CN210033944U (en) * | 2019-06-13 | 2020-02-07 | 河北华晟环保设备科技有限公司 | Conical shaft hole impeller of single-stage ultrahigh pressure special centrifugal fan |
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Application publication date: 20201027 |