CN218934808U - Connection structure of centrifugal impeller and main shaft - Google Patents
Connection structure of centrifugal impeller and main shaft Download PDFInfo
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- CN218934808U CN218934808U CN202223355696.9U CN202223355696U CN218934808U CN 218934808 U CN218934808 U CN 218934808U CN 202223355696 U CN202223355696 U CN 202223355696U CN 218934808 U CN218934808 U CN 218934808U
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- cooling
- rod
- main shaft
- impeller
- cooling rod
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Abstract
The utility model discloses a connection structure of a centrifugal impeller and a main shaft, which comprises an impeller, a cooling rod and the main shaft, wherein one end of the main shaft is coaxially connected with the impeller, an inner hole for inserting the cooling rod is formed in the impeller, a supporting ring matched with the inner hole is fixed on the cooling rod, and a screw hole connected with the cooling rod is formed in the main shaft; the cooling rod is internally provided with a cooling piece, the cooling piece comprises a heat transfer rod with a guide pipe inserted therein, the heat transfer rod is detachably connected with the cooling rod, the cooling rod is heat-conducting, and one end of the cooling rod far away from the screw hole circumferentially penetrates through and is provided with a first air vent. According to the utility model, the cooling rod is arranged, so that the cooling rod is not only used as a connecting piece of the main shaft and the impeller, but also used for cooling the impeller and the main shaft, the service life is prolonged, and the heat transfer rod is detachably connected with the cooling rod by virtue of the cooling piece, so that the cooling piece is convenient to assemble and disassemble and replace.
Description
Technical Field
The utility model relates to the technical field of spindle assembly structures, in particular to a connection structure of a centrifugal impeller and a spindle.
Background
Centrifugal impellers are generally applied to mechanical equipment such as pump bodies and the like, and various connection modes between the centrifugal impellers and a main shaft exist. In the prior art, the centrifugal impeller is connected with the main shaft through the connecting structure to obtain power, so that the centrifugal impeller can rotate at a high speed, but the centrifugal impeller in continuous operation gradually rises in temperature due to working heat generation, and the connecting structure of many centrifugal impellers and the main shaft does not have a heat dissipation function, for example, the main shaft connecting structure of the impeller of the single-stage cantilever centrifugal compressor with the publication number of CN 214118579U. For this reason, we propose a connection structure of a centrifugal impeller and a main shaft.
Disclosure of Invention
The utility model aims to provide a connecting structure of a centrifugal impeller and a main shaft, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the connecting structure comprises an impeller, a cooling rod and a main shaft, wherein one end of the main shaft is coaxially assembled and connected with the impeller, an inner hole for inserting the cooling rod is penetrated through the impeller, a supporting ring matched with the inner hole is fixed on the cooling rod, and a screw hole connected with the cooling rod is arranged in the main shaft;
the cooling rod is internally provided with a cooling piece, the cooling piece comprises a heat transfer rod with a guide pipe inserted therein, the heat transfer rod is detachably connected with the cooling rod, the cooling rod is heat-conducting, and one end of the cooling rod far away from the screw hole circumferentially penetrates through and is provided with a first air vent.
Preferably, one end of the cooling rod, which is close to the screw hole, is provided with a conical part, and the end part of the screw hole is provided with a positioning hole matched with the conical part.
Preferably, one end of the cooling rod, which is far away from the main shaft, is connected with a disassembly cover, and a jack for inserting a cooling piece is formed in the disassembly cover.
Preferably, a first magnetic attraction ring is fixed on the heat transfer rod, and a second magnetic attraction ring with magnetism opposite to that of the first magnetic attraction ring is embedded in the cooling rod.
Preferably, the conical part is provided with a vent hole II.
Compared with the prior art, the utility model has the beneficial effects that: through setting up the cooling lever, not only regard it as the connecting piece between main shaft and the impeller, still utilize the cooling piece in the cooling lever, absorb the heat that impeller and main shaft's junction position produced because of lasting work, simultaneously cool down impeller and main shaft, delay the ageing of impeller and main shaft, increase of service life, through setting up the cooling piece, utilize the heat transfer pole, install many pipes as the carrier of pipe, increase cooling medium, accelerate the radiating rate, and cooperate magnetism to inhale ring I and magnetism to inhale ring II, with the heat transfer pole temporarily fixed in the cooling lever, be convenient for dismouting cooling piece, be convenient for change, through set up bleeder vent I on the cooling lever, increase cooling medium and hot air's area of contact, accelerate heat transfer rate, promote the heat dissipation.
Drawings
Fig. 1 is a schematic structural view of a connection structure between a centrifugal impeller and a main shaft according to the present utility model;
FIG. 2 is a left side view of a cooling rod of a connection structure of a centrifugal impeller and a main shaft according to the present utility model;
FIG. 3 is a right side view of a cooling rod of a connection structure of a centrifugal impeller and a main shaft according to the present utility model;
fig. 4 is a cross-sectional view of a cooling member of a connection structure of a centrifugal impeller and a main shaft according to the present utility model.
In the figure: impeller 1, hole 101, cooling pole 2, support ring 3, cooling piece 4, heat transfer pole 41, pipe 42, magnetism inhale ring one 5, magnetism inhale ring two 6, dismantle lid 7, jack 8, taper 9, bleeder vent one 10, bleeder vent two 11, main shaft 12, screw 121, locating hole 122.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a centrifugal impeller and connection structure of main shaft, including impeller 1, cooling pole 2 and main shaft 12, main shaft 12 one end and the coaxial assembly connection of impeller 1, run through in the impeller 1 and be equipped with be used for inserting cooling pole 2's hole 101, be fixed with on the cooling pole 2 with hole 101 matched support ring 3, support ring 3 is located the both ends of hole 101 respectively, cooling pole 2's radius is obviously less than hole 101's radius, support by support ring 3, be equipped with the screw 121 that is connected with cooling pole 2 in the main shaft 12, cooling pole 2 is close to screw 121 one end and is equipped with the screw that matches with it, cooling pole 2 is heat conduction;
further, a conical part 9 is arranged at one end of the cooling rod 2 close to the screw hole 121, and a positioning hole 122 matched with the conical part 9 is arranged at one end of the screw hole 121 far from the cooling rod 2; by arranging the positioning hole 122 and the conical part 9, the connection between the cooling rod 2 and the screw hole 121 is positioned, the contact area between the cooling rod 2 and the main shaft 12 can be increased, and the conical part 9 and the cooling rod 2 are actually integrally formed, so that the conical part 9 is also conductive to heat, and the working heat generated by the main shaft 12 can be transmitted into the cooling rod 2 through the conical part 9 to achieve the heat dissipation effect;
the cooling rod 2 is internally provided with cooling pieces 4 which are uniformly arranged, and the cooling pieces 4 are arranged along the length direction of the cooling rod 2;
specifically, by arranging the cooling rod 2, the cooling rod is not only used as a connecting piece between the main shaft 12 and the impeller 1, but also the cooling piece 4 in the cooling rod 2 is used for absorbing heat generated by continuous operation of the connecting part of the impeller 1 and the main shaft 12, and meanwhile, the impeller 1 and the main shaft 12 are cooled, so that the ageing of the impeller 1 and the main shaft 12 is delayed, and the service life is prolonged.
The cooling element 4 comprises a heat transfer rod 41 internally provided with a folded guide pipe 42, one end of the guide pipe 42 is connected with cooling liquid injection equipment, the other end of the guide pipe 42 is connected with cooling liquid recovery equipment, the guide pipe 42 is used as a cooling liquid transportation structure, cooling liquid is used as a heat exchange medium to cool the connection part of the main shaft 13 and the impeller 1, and the heat transfer rod 41 is detachably connected with the cooling rod 2;
further, the conical part 9 is provided with a vent hole II 11 communicated with the surface of the heat transfer rod 41; the cooling piece 4 is promoted to absorb heat, so that heat dissipation is quickened;
further, a first magnetic attraction ring 5 is fixed on the heat transfer rod 41, a second magnetic attraction ring 6 with magnetism opposite to that of the first magnetic attraction ring 5 is embedded in the cooling rod 2, a mounting groove is formed in the inner wall of the cooling rod 2, the second magnetic attraction ring 6 is fixed in the mounting groove, and the heat transfer rod 41 can be temporarily fixedly mounted on the cooling rod 2 by utilizing the magnetic attraction between the first magnetic attraction ring 5 and the second magnetic attraction ring 6, so that the cooling rod is convenient to dismount;
further, one end of the cooling rod 2 far away from the main shaft 12 is in threaded connection with a disassembly cover 7, and the disassembly cover 7 is provided with an insertion hole 8 for inserting the cooling piece 4;
specifically, by arranging the cooling element 4, using the heat transfer rod 41 as a carrier of the guide pipes 42, arranging the guide pipes 42, increasing cooling medium, accelerating heat dissipation speed, and matching the magnetic attraction ring I5 and the magnetic attraction ring II 6, temporarily fixing the heat transfer rod 41 in the cooling rod 2, so as to facilitate the disassembly and assembly of the cooling element 4 and the replacement;
and the cooling rod 2 is provided with a first ventilation hole 10 in a penetrating way in the circumferential direction at one end far away from the screw hole 121, the first ventilation hole 10 is communicated with the surface of the heat transfer rod 41, and the heat absorption of the connecting part is promoted;
specifically, through setting up bleeder vent one 10 on cooling rod 2, increase the area of contact of coolant and hot air, accelerate heat transfer speed, promote the heat dissipation.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a connection structure of centrifugal impeller and main shaft, includes impeller (1), cooling pole (2) and main shaft (12), main shaft (12) one end and the coaxial assembly connection of impeller (1), its characterized in that: an inner hole (101) for inserting a cooling rod (2) is formed in the impeller (1) in a penetrating manner, a supporting ring (3) matched with the inner hole (101) is fixed on the cooling rod (2), and a screw hole (121) connected with the cooling rod (2) is formed in the main shaft (12);
the cooling device is characterized in that a cooling piece (4) is arranged in the cooling rod (2), the cooling piece (4) comprises a heat transfer rod (41) with a guide pipe (42) in an inserted mode, the heat transfer rod (41) is detachably connected with the cooling rod (2), the cooling rod (2) is heat-conducting, and one end, far away from the screw hole (121), of the cooling rod (2) circumferentially penetrates through and is provided with a vent hole I (10).
2. The connection structure of a centrifugal impeller and a main shaft according to claim 1, wherein: one end of the cooling rod (2) close to the screw hole (121) is provided with a conical part (9), and the end part of the screw hole (121) is provided with a positioning hole (122) matched with the conical part (9).
3. The connection structure of a centrifugal impeller and a main shaft according to claim 1, wherein: one end, far away from the main shaft (12), of the cooling rod (2) is connected with a disassembly cover (7), and a jack (8) for inserting the cooling piece (4) is formed in the disassembly cover (7).
4. The connection structure of a centrifugal impeller and a main shaft according to claim 1, wherein: the heat transfer rod (41) is fixedly provided with a first magnetic attraction ring (5), and the cooling rod (2) is internally provided with a second magnetic attraction ring (6) with magnetism opposite to that of the first magnetic attraction ring (5).
5. A centrifugal impeller-spindle connection according to claim 2, wherein: and the conical part (9) is provided with a vent hole II (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355696.9U CN218934808U (en) | 2022-12-14 | 2022-12-14 | Connection structure of centrifugal impeller and main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223355696.9U CN218934808U (en) | 2022-12-14 | 2022-12-14 | Connection structure of centrifugal impeller and main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218934808U true CN218934808U (en) | 2023-04-28 |
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ID=86092856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223355696.9U Active CN218934808U (en) | 2022-12-14 | 2022-12-14 | Connection structure of centrifugal impeller and main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218934808U (en) |
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2022
- 2022-12-14 CN CN202223355696.9U patent/CN218934808U/en active Active
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