CN214534062U - Mixed type magnetic suspension bearing - Google Patents
Mixed type magnetic suspension bearing Download PDFInfo
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- CN214534062U CN214534062U CN202120357457.3U CN202120357457U CN214534062U CN 214534062 U CN214534062 U CN 214534062U CN 202120357457 U CN202120357457 U CN 202120357457U CN 214534062 U CN214534062 U CN 214534062U
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Abstract
The utility model discloses a mixed type magnetic suspension bearing, which comprises a rotating shaft and a cylindrical shell; the lateral surface at the pivot is cup jointed to the cylindricality shell body, the medial surface of cylindricality shell body is equipped with sensor locating rack and electro-magnet, both ends are fixed mounting respectively about the lateral surface of cylindricality shell body have first cavity barrel and second cavity barrel, this mixed type magnetic levitation bearing, it can move very high rotational speed to have the rotor, it is little to have mechanical wear, the energy consumption is low, small in noise, long service life, need not to lubricate, oil pollution-free advantage, and can effectively dredge the heat that magnetic levitation bearing during operation produced, the life of bearing has effectively been improved, first filter screen combines the setting of second filter screen to prevent effectively that outside dust from entering into mixed type magnetic levitation bearing's inside, the heat that produces through high-speed rotatory first turbine and second turbine can effectively be with solenoid during operation is derived.
Description
Technical Field
The utility model relates to a magnetism floats bearing technical field, specifically is a mixed type magnetism floats bearing.
Background
The magnetic suspension bearing is also called as an electromagnetic bearing or a magnetic bearing, and is a novel high-performance bearing which suspends the bearing in space without mechanical friction and lubrication by utilizing magnetic field force. Because of its unique series of advantages, its research has been emphasized in recent years. And because the magnetic suspension bearing technology relates to a plurality of fields, the interweaving of a plurality of technologies is remarkable, the difficulty of research, development and utilization is higher, and the research strength is further strengthened.
Compared with the traditional rolling bearing, sliding bearing and oil film bearing, the magnetic bearing has no mechanical contact, the rotor can run to a very high rotating speed, and the magnetic bearing has the advantages of small mechanical wear, low energy consumption, low noise, long service life, no lubrication, no oil pollution and the like, and is particularly suitable for special environments such as high speed, vacuum, ultra-clean and the like. Magnetic suspension is actually only an auxiliary function, is not an independent bearing form, and the specific application is matched with other bearing forms, such as magnetic suspension and ball bearing, magnetic suspension and oil bearing, magnetic suspension and gasification bearing and the like.
The mixed type magnetic suspension bearing in the prior art is internally provided with more coils and inductive equipment, and the coils and the inductive equipment can generate larger heat due to certain resistance existing in the coils and the inductive equipment when being electrified to work, and the mixed type magnetic suspension bearing in the prior art can not effectively lead the heat out, so that the mixed type magnetic suspension bearing is not stable enough and influences the service life of the mixed type magnetic suspension bearing when working.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a mixed type magnetic bearing, can effectively derive the heat that mixed type magnetic bearing during operation produced, play from it and carry out high-efficient radiating effect to it, effectively improved magnetic bearing's life, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mixed magnetic bearing comprises a rotating shaft and a cylindrical outer shell; the utility model discloses a shaft, including cylindricality shell body, sensor locating rack and electro-magnet, both ends are fixed mounting respectively at the lateral surface of cylindricality shell body, the medial surface of cylindricality shell body is equipped with sensor locating rack and electro-magnet, both ends are fixed mounting respectively about the lateral surface of cylindricality shell body have first cavity barrel and second cavity barrel, the lateral surface left end of first cavity barrel passes through first double-screw bolt fixedly connected with annular inlet plate, the lateral surface of annular inlet plate is equipped with the inlet port, the lateral surface of pivot is close to the one end of first cavity barrel and installs first turbine, the medial surface of first cavity barrel is close to the one end of annular inlet plate and installs first filter screen, the right-hand member face of second cavity barrel passes through second double-screw bolt fixedly connected with annular air outlet plate, the lateral surface of annular air outlet plate is equipped with the venthole, the lateral surface of pivot is close to the one end of second cavity barrel and installs the second turbine, the one end that the medial surface of second cavity barrel is close to annular air outlet plate installs the second filter screen.
Furthermore, the sensor locating rack and the electromagnets are uniformly distributed on the inner side surface of the cylindrical outer shell in an annular shape.
Furthermore, the number of the air inlets is not less than ten, and the not less than ten air inlets are uniformly distributed on the periphery of the outer side surface of the annular air inlet plate.
Furthermore, the number of the air outlet holes is not less than ten, and the not less than ten air outlet holes are uniformly distributed on the periphery of the outer side surface of the annular air outlet plate.
Furthermore, the near-annular air outlet plate and the annular air inlet plate are rotatably connected with the outer side surface of the rotating shaft through sealing bearings.
Compared with the prior art, the beneficial effects of the utility model are that: this mixed type magnetic levitation bearing, it can move very high rotational speed to have the rotor, it is little to have mechanical wear, the energy consumption is low, small in noise, long-lived, need not the lubrication, the advantage of no oil pollution, and can effectively dredge the heat that magnetic levitation bearing during operation produced, the life of bearing has effectively been improved, first filter screen combines the setting of second filter screen can effectively prevent that outside dust from entering into mixed type magnetic levitation bearing's inside, the heat that can effectively produce solenoid during operation through high-speed rotatory first turbine and second turbine is derived.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a right side view of the present invention.
In the figure: the device comprises a rotating shaft 1, an annular air inlet plate 2, a first hollow cylinder 3, a cylindrical outer shell 4, a second hollow cylinder 5, an annular air outlet plate 6, a first filter screen 7, a sensor positioning frame 8, an electromagnet 9, a second turbine 10, a second filter screen 11, a first turbine 12, a first stud 13, an air inlet 14, a second stud 15 and an air outlet 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a mixed magnetic bearing comprises a rotating shaft 1 and a cylindrical outer shell 4; the cylindrical outer shell 4 is sleeved on the outer side surface of the rotating shaft 1, a sensor positioning frame 8 and an electromagnet 9 are arranged on the inner side surface of the cylindrical outer shell 4, the sensor positioning frame 8 and the electromagnet 9 are uniformly distributed on the inner side surface of the cylindrical outer shell 4 in an annular shape, a first hollow cylinder 3 and a second hollow cylinder 5 are respectively and fixedly arranged at the left end and the right end of the outer side surface of the cylindrical outer shell 4, the left end of the outer side surface of the first hollow cylinder 3 is fixedly connected with an annular air inlet plate 2 through a first stud 13, air inlet holes 14 are formed in the outer side surface of the annular air inlet plate 2, the number of the air inlet holes 14 is not less than ten, the not less than ten air inlet holes 14 are uniformly distributed around the outer side surface of the annular air inlet plate 2, a first turbine 12 is arranged at one end, close to the first hollow cylinder 3, of the inner side surface of the first hollow cylinder 3 is provided with a first filter screen 7 at one end, close to the annular air inlet plate 2, the right end face of the second hollow cylinder 5 is fixedly connected with an annular air outlet plate 6 through a second stud 15, the outer side face of the annular air outlet plate 6 is provided with air outlet holes 16, the number of the air outlet holes 16 is not less than ten, the not less than ten air outlet holes 16 are uniformly distributed around the outer side face of the annular air outlet plate 6, one end of the outer side face of the rotating shaft 1, which is close to the second hollow cylinder 5, is provided with a second turbine 10, the heat generated during the work of the electromagnetic coil can be effectively guided out through a first turbine 12 and the second turbine 10 which rotate at high speed, one end of the inner side face of the second hollow cylinder 5, which is close to the annular air outlet plate 6, is provided with a second filter screen 11, the first filter screen 7 is combined with the second filter screen 11 to effectively prevent external dust from entering the interior of the hybrid magnetic suspension bearing, the nearly annular air outlet plate 6 and the annular air inlet plate 2 are both rotatably connected with the outer side face of the rotating shaft 1 through a sealing bearing, the mixed magnetic suspension bearing has the advantages that the rotor can run to a high rotating speed, the mechanical abrasion is small, the energy consumption is low, the noise is small, the service life is long, the lubrication is not needed, and the oil pollution is avoided, the heat generated during the working of the magnetic suspension bearing can be effectively conducted, and the service life of the bearing is effectively prolonged.
When in use: when the rotating shaft 1 rotates at a high speed, the first turbine 12 and the second turbine 10 rotate along with the rotating shaft 1 to extract high-temperature air inside the cylindrical outer shell 4, and meanwhile, the first filter screen 7 and the second filter screen 11 can effectively prevent external impurities from entering the cylindrical outer shell 4.
It is worth noting that the rotating speed of the rotating shaft 1 of the utility model is not lower than 2000 rpm when in normal work. The external singlechip controls the electromagnet 9 to work by adopting a common method in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mixed type magnetic suspension bearing is characterized in that: comprises a rotating shaft (1) and a cylindrical outer shell (4); the outer side surface of the rotating shaft (1) is sleeved with the cylindrical outer shell (4), the inner side surface of the cylindrical outer shell (4) is provided with a sensor positioning frame (8) and an electromagnet (9), the left end and the right end of the outer side surface of the cylindrical outer shell (4) are respectively and fixedly provided with a first hollow cylinder (3) and a second hollow cylinder (5), the left end of the outer side surface of the first hollow cylinder (3) is fixedly connected with an annular air inlet plate (2) through a first stud (13), the outer side surface of the annular air inlet plate (2) is provided with an air inlet hole (14), one end, close to the first hollow cylinder (3), of the outer side surface of the rotating shaft (1) is provided with a first turbine (12), one end, close to the annular air inlet plate (2), of the inner side surface of the first hollow cylinder (3) is provided with a first filter screen (7), and the right end surface of the second hollow cylinder (5) is fixedly connected with an annular air outlet plate (6) through a second stud (15), the outer side surface of the annular air outlet plate (6) is provided with an air outlet hole (16), one end, close to the second hollow cylinder (5), of the outer side surface of the rotating shaft (1) is provided with a second turbine (10), and one end, close to the annular air outlet plate (6), of the inner side surface of the second hollow cylinder (5) is provided with a second filter screen (11).
2. A hybrid magnetic bearing as claimed in claim 1, wherein: the sensor positioning frame (8) and the electromagnets (9) are uniformly distributed on the inner side surface of the cylindrical outer shell (4) in an annular mode.
3. A hybrid magnetic bearing as claimed in claim 1, wherein: the number of the air inlets (14) is not less than ten, and the not less than ten air inlets (14) are uniformly distributed on the periphery of the outer side surface of the annular air inlet plate (2).
4. A hybrid magnetic bearing as claimed in claim 1, wherein: the number of the air outlet holes (16) is not less than ten, and the not less than ten air outlet holes (16) are uniformly distributed on the periphery of the outer side surface of the annular air outlet plate (6).
5. A hybrid magnetic bearing as claimed in claim 1, wherein: the near-annular air outlet plate (6) and the annular air inlet plate (2) are rotatably connected with the outer side surface of the rotating shaft (1) through a sealing bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357457.3U CN214534062U (en) | 2021-02-07 | 2021-02-07 | Mixed type magnetic suspension bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357457.3U CN214534062U (en) | 2021-02-07 | 2021-02-07 | Mixed type magnetic suspension bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534062U true CN214534062U (en) | 2021-10-29 |
Family
ID=78234875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120357457.3U Active CN214534062U (en) | 2021-02-07 | 2021-02-07 | Mixed type magnetic suspension bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214534062U (en) |
-
2021
- 2021-02-07 CN CN202120357457.3U patent/CN214534062U/en active Active
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