CN205190530U - No fulcrum, zero friction permanent magnetism suspension bearing - Google Patents
No fulcrum, zero friction permanent magnetism suspension bearing Download PDFInfo
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- CN205190530U CN205190530U CN201520998658.6U CN201520998658U CN205190530U CN 205190530 U CN205190530 U CN 205190530U CN 201520998658 U CN201520998658 U CN 201520998658U CN 205190530 U CN205190530 U CN 205190530U
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Abstract
The utility model discloses a no fulcrum, zero friction permanent magnetism suspension bearing, including the base member rotor central with being located the base member, the upper and lower both ends of base member are equallyd divide and do not are provided with radial stator magnet, the middle part of base member is provided with axial stator magnet, be fixed with two radial rotor magnets on the rotor, arranging of homopolarity repulsion is adjusted, just be one by one well to the position of two radial rotor magnets and two radial stator magnet, the middle part of rotor is equipped with an axial rotor magnet, the axial rotor magnet lies in in the axial one side of axial stator magnet, the axial rotor magnet with axial stator magnet is arranged for homopolarity repulsion's. The utility model discloses well rotor axial and radial fixed magnetic repulsion that all adopts the magnet, it is contactless, need not the lubrication, high -efficient, zero friction loss, long service life, what the bearing capacity adopted is the magnetic repulsion between the magnet, consequently bears the weight of in the weight ratio greatly.
Description
Technical field
The utility model relates to technical field of bearings, specifically a kind of without fulcrum, without friction permanent magnetism magnetic suspension bearing.
Background technique
The kind of bearing is a lot, but be deep groove ball bearing, thrust-bearing or plane bearing all requires that roller and raceway fit tightly, the installation of roller is very inconvenient, in addition, there is contact just to have friction, have friction just to have wearing and tearing, therefore, current bearing has the situation running damping and friction, and working life, lifting was obstructed, and motion speed has room for promotion.
The imagination utilizing magnetic force to manufacture the bearing of mechanical friction is had it long ago, but it is very difficult to produce the magnetic bearing with Practical significance, so that does not still have the matured product that can supply popularization and application so far for this technology.The emphasis research and development object in take Germany technology as the electromagnetic suspension bearing technology of representative be current domestic magnetic suspension bearing field, but it is low that electromagnetic suspension bearing is used for magnetic density, so the load-carrying of rotary main shaft is all very low, and the electronic control system that needs one are complicated, cause it bulky, cost is high, and application is very limited.In order to reduce volume and the cost of product, just become the first-selection of common rotating machinery with the permanent magnetism magnetic suspension bearing of mechanical bearing structure practicality.
Publication number is CN104632889A, publication date is disclose one in the Chinese patent literature on May 20th, 2015 to have fulcrum without friction mandrel to permanent-magnet suspension bearing, this bearing mainly comprises the block bearing as the strong point in the pivotal axis that is arranged on as rotor, and arranges on a vertical axis and the permanent-magnet suspension bearing of block bearing interval axial distance; Described permanent-magnet suspension bearing is the annular permanent magnet of upper and lower corresponding same radial position, and the magnetic size of permanent magnet is identical, polarity is contrary; When the strong point adopt block bearing time, have certain surface friction drag, due to its bearing capacity adopt be between magnet the opposite sex suction, therefore, load capacity is limited.
Model utility content
The utility model provides a kind of without fulcrum, without friction permanent magnetism magnetic suspension bearing, the fixing magnetic repulsion all adopting magnet of rotor axial and radial direction, contactless, without the need to lubrication, efficiently, without frictional loss, long service life, what bearing capacity adopted is magnetic repulsion between magnet, and therefore load capacity is larger.
In order to solve the problems of the technologies described above, the one that the utility model proposes is without fulcrum, without friction permanent magnetism magnetic suspension bearing, comprise matrix and the rotor being positioned at matrix center, the two ends up and down of described matrix are provided with radial stator magnet respectively, and the middle part of described matrix is provided with axial stator magnet; Described rotor is fixed with two radial rotor magnet, the position of two radial rotor magnet and two radial stator magnet aligns one by one and is the layout of homopolar-repulsion; The middle part of described rotor is provided with an axial rotor magnet, and described axial rotor magnet is presented axially in the side of described axial stator magnet, and described axial rotor magnet and described axial stator magnet are the layout of homopolar-repulsion.
The utility model is without fulcrum, nothing friction permanent magnetism magnetic suspension bearing, and wherein, described rotor is provided with axial passage.The two ends of described matrix are respectively equipped with radial stator magnet supporting plate, and for being threaded between described radial stator magnet supporting plate with described matrix, described radial stator magnet is fixed in described radial stator magnet supporting plate.The middle part of described matrix is provided with axial stator magnet supporting plate, and described axial stator magnet is fixed in described axial stator magnet supporting plate.The middle part of described rotor is welded with axial rotor magnet supporting plate, and described axial rotor magnet is fixed in described axial rotor magnet supporting plate.
Compared with prior art, the beneficial effects of the utility model are:
The utility model magnetic suspension bearing, without directly contacting, without frictional loss, without the need to lubrication, efficient, long service life; Regular maintenance expense is low, runs noise and vibrates low; No matter be radial or axially all employing magnetic repulsion effects, bearing capacity is large, and the running environment large and small to rotating speed all has good adaptability; And all have good adaptability to the running environment of low temperature, high temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model permanent magnetism magnetic suspension bearing.
In figure: 1,7-radial rotor magnet, 2,8-radial stator magnet, 3-rotor, 4-matrix, 5-axial rotor magnet, 6-axial stator magnet, 9,12-radial stator magnet supporting plate, 10-axial stator magnet supporting plate, 11-axial rotor magnet supporting plate.
Embodiment
Be described in further detail technical solutions of the utility model below in conjunction with the drawings and specific embodiments, described specific embodiment only explains the utility model, not in order to limit the utility model.
As shown in Figure 1, the utility model is a kind of without fulcrum, without friction permanent magnetism magnetic suspension bearing, comprises the matrix 4 fixed with stator and the rotor 3 being positioned at matrix center.
The two ends up and down of described matrix 4 are provided with radial stator magnet 2 and 8 respectively, its fixed structure is that the two ends of described matrix 4 are respectively equipped with radial stator magnet supporting plate 12 and 9, described radial stator magnet supporting plate 12 and 9 with between described matrix 4 respectively for being threaded, described radial stator magnet 2 and 9 is separately fixed in described radial stator magnet supporting plate 12 and 9.The middle part of described matrix 4 is provided with axial stator magnet 6, and its fixed structure is that the middle part of described matrix 4 is provided with axial stator magnet supporting plate 10, and described axial stator magnet 6 is fixed in described axial stator magnet supporting plate 10.
Described rotor 3 is fixed with two radial rotor magnet 1 and 7, two radial rotor magnet 1 and 7 respectively and the position of two radial stator magnet 2 and 8 align one by one and be the layout of homopolar-repulsion between radial rotor magnet and the radial stator magnet aligned; The middle part of described rotor 3 is provided with an axial rotor magnet 5, described axial rotor magnet 5 is presented axially in the side of described axial stator magnet 6, its fixed structure is that the middle part of described rotor 3 is welded with axial rotor magnet supporting plate 11, described axial rotor magnet 5 is fixed in described axial rotor magnet supporting plate 11, and described axial rotor magnet 5 is the layout of homopolar-repulsion with described axial stator magnet 6.In the utility model magnetic suspension bearing, be no matter radial or axially all adopt magnetic repulsion effect between magnets of stator arranged in pairs and rotor magnet, load capacity is large.Basic material in the utility model magnetic suspension bearing can be stainless steel, also can be teflon etc.
In addition, the rotor in the utility model magnetic suspension bearing, except being except entity structure, can also being designed to hollow structure, namely in rotor, being formed with axial passage, coordinates sparger can carry out rotation to liquid or gas and distribute during actual use.
Although be described the utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; when not departing from the utility model aim, can also make a lot of distortion, these all belong within protection of the present utility model.
Claims (5)
1. one kind without fulcrum, without friction permanent magnetism magnetic suspension bearing, comprise matrix (4) and be positioned at the rotor (3) at matrix center, it is characterized in that: the two ends up and down of described matrix (4) are provided with radial stator magnet respectively, the middle part of described matrix (4) is provided with axial stator magnet (6); Described rotor (3) is fixed with two radial rotor magnet, the position of two radial rotor magnet and two radial stator magnet aligns one by one and is the layout of homopolar-repulsion; The middle part of described rotor (3) is provided with an axial rotor magnet (5), described axial rotor magnet (5) is presented axially in the side of described axial stator magnet (6), the layout that described axial rotor magnet (5) and described axial stator magnet (6) are homopolar-repulsion.
2., according to claim 1 without fulcrum, nothing friction permanent magnetism magnetic suspension bearing, it is characterized in that, described rotor (3) is provided with axial passage.
3. according to claim 1 without fulcrum, nothing friction permanent magnetism magnetic suspension bearing, it is characterized in that, the two ends of described matrix (4) are respectively equipped with radial stator magnet supporting plate, for being threaded between described radial stator magnet supporting plate with described matrix (4), described radial stator magnet is fixed in described radial stator magnet supporting plate.
4. according to claim 1 without fulcrum, nothing friction permanent magnetism magnetic suspension bearing, it is characterized in that, the middle part of described matrix (4) is provided with axial stator magnet supporting plate (10), and described axial stator magnet (6) is fixed on described axial stator magnet supporting plate (10).
5. according to claim 1 without fulcrum, nothing friction permanent magnetism magnetic suspension bearing, it is characterized in that, the middle part of described rotor (3) is welded with axial rotor magnet supporting plate (11), and described axial rotor magnet (5) is fixed on described axial rotor magnet supporting plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998658.6U CN205190530U (en) | 2015-12-04 | 2015-12-04 | No fulcrum, zero friction permanent magnetism suspension bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998658.6U CN205190530U (en) | 2015-12-04 | 2015-12-04 | No fulcrum, zero friction permanent magnetism suspension bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190530U true CN205190530U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520998658.6U Active CN205190530U (en) | 2015-12-04 | 2015-12-04 | No fulcrum, zero friction permanent magnetism suspension bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN205190530U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361280A (en) * | 2018-05-03 | 2018-08-03 | 南京高明环保科技有限公司 | Permanent magnetism magnetic suspension bearing |
| CN108980206A (en) * | 2018-09-29 | 2018-12-11 | 王文学 | Full permanent magnetism dynamic complete suspending bearing |
| CN109058296A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Stator module and the hybrid magnetic-suspension axial bearing arrangement of suction and repulsion |
| CN111271293A (en) * | 2020-03-14 | 2020-06-12 | 兰州理工大学 | Power unit integrated shaftless spiral gas-liquid mixed transportation pump |
-
2015
- 2015-12-04 CN CN201520998658.6U patent/CN205190530U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361280A (en) * | 2018-05-03 | 2018-08-03 | 南京高明环保科技有限公司 | Permanent magnetism magnetic suspension bearing |
| CN108980206A (en) * | 2018-09-29 | 2018-12-11 | 王文学 | Full permanent magnetism dynamic complete suspending bearing |
| CN109058296A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Stator module and the hybrid magnetic-suspension axial bearing arrangement of suction and repulsion |
| CN109058296B (en) * | 2018-10-09 | 2024-03-05 | 珠海格力电器股份有限公司 | Stator assembly and repulsive force combined magnetic suspension axial bearing structure |
| CN111271293A (en) * | 2020-03-14 | 2020-06-12 | 兰州理工大学 | Power unit integrated shaftless spiral gas-liquid mixed transportation pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |