CN205244136U - Low -power consumption magnetic suspension bearing - Google Patents
Low -power consumption magnetic suspension bearing Download PDFInfo
- Publication number
- CN205244136U CN205244136U CN201520905043.4U CN201520905043U CN205244136U CN 205244136 U CN205244136 U CN 205244136U CN 201520905043 U CN201520905043 U CN 201520905043U CN 205244136 U CN205244136 U CN 205244136U
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- magnet
- bearing
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Abstract
The utility model discloses a low -power consumption magnetic suspension bearing, including bearing inner race, interior clamping ring, screw, magnet fixing device, internal magnet, outer left clamping ring, outer joint cover, external magnet, outer set screw, outer right clamping ring, bearing inner race, circular electro -magnet, right magnet, fixing device and left magnet, the utility model has the advantages of reasonable structure simply, low in production cost, simple to operate, multiple functional, compare with traditional electromagnetic bearing and has eliminated the bias current who accounts for the fundamental component in coil current, reduced winding copper loss and the loss of control power amplifier, therefore the low power dissipation, the utility model discloses the internal magnet designs with the external magnet in pairs, has guaranteed that magnetism bearing performance more optimizes, has avoided current structure to adopt the defect of the partly permanent magnet magnetic gesture of partial saturation loss unshakable in one's determination in order to make the permanent magnet produce sufficient bias magnetic field in the air gap, the utility model discloses set up circular electro -magnet, guaranteed that axial rocking and unstable phenomenon can not appear in this device.
Description
Technical field:
The utility model relates to technical field of bearings, particularly a kind of low-power consumption magnetic levitation bearing.
Background technology:
Use the homopolarity that magnet has to repel the principle that heteropole is inhaled mutually, the surrounding (except the two poles of the earth) of magnet is the principle that can inhale mutually or repel each other with the surrounding (except the two poles of the earth) of magnet; The power of utilizing the surrounding (except the two poles of the earth) of magnet and the surrounding (except the two poles of the earth) of magnet to repel each other suspends diaxon mutually, making has certain space between diaxon, between the two without any friction, durable in use, can effectively reduce power, reach energy-conservation object; Two opposite faces between rotating shaft can be dihedral, arc, trapezoidal etc., push make him can reduce swing with magnetic field; Existing magnetic suspension bearing divides pure electromagnetism and permanent magnet bias hybrid magnetic suspension bearing, the former uses, and electric current is large, power consumption is large, the hybrid magnetic suspension bearing of permanent magnet bias, main bearing capacity is born in the magnetic field that permanent magnet provides, electromagnetism magnetic field provides auxiliary adjusting bearing capacity, thereby this bearing can reduce to control electric current greatly, reduce the wastage.
Utility model content:
The purpose of this utility model is just to provide in order to address the above problem a kind of low-power consumption magnetic levitation bearing, has solved that existing magnetic suspension bearing electric current is large, the problem of the large and poor stability of power consumption.
In order to address the above problem, the utility model provides a kind of technical scheme: a kind of low-power consumption magnetic levitation bearing, and its innovative point is: comprise bearing inner race, inner pressure ring, screw, magnet fixing device, internal magnet, outer left pressure ring, outer adapter sleeve, external magnet, outer set screw, outer right pressure ring, bearing outer ring, circular electromagnets, right magnet, fixture and left magnet; Described magnet fixing device is two, and described magnet fixing device is fixed on bearing inner race both sides external by screw and magnet fixing device respectively; Described internal magnet is two, and described internal magnet is separately fixed at above magnet fixing device; Described bearing outer ring is positioned at bearing inner race outside; Described external magnet is two, and described external magnet lays respectively at bearing outer ring both sides, and described external magnet is fixed on bearing outer ring left side by outer left pressure ring and outer set screw, and described external magnet is fixed on bearing outer ring right side by outer set screw and outer right pressure ring; Described outer adapter sleeve is fixed on outer left pressure ring and outer right pressure ring outside; Described circular electromagnets is fixed on bearing outer ring inner side; Described fixture is two, and described fixture is separately fixed at bearing inner race both sides; Described right magnet is positioned at circular electromagnets right side, and described right magnet is fixed on fixture left side; Described left magnet is positioned at circular electromagnets left side, and described left magnet is fixed on fixture right side.
As preferably, described internal magnet is identical with the corresponding surface polarity of external magnet.
As preferably, state circular electromagnets identical with the corresponding surface polarity of right magnet and left magnet.
The beneficial effects of the utility model:
(1) the utlity model has rational in infrastructure simple, production cost is low, easy for installation, multiple functional, eliminate the bias current that accounts for fundamental component in coil current compared with traditional electrical magnetic bearing, reduced winding copper loss and controlled power amplifier loss, therefore low in energy consumption.
(2) the utility model internal magnet and external magnet are all paired designs, ensure that magnetic bearing performance more optimizes, avoided existing structure to adopt the magnetomotive defect of the part a part of permanent magnet of saturated loss unshakable in one's determination in order to make permanent magnet produce enough bias magnetic fields in air gap.
(3) the utility model arranges circular electromagnets, has ensured that this device there will not be axial rocking and unsettled phenomenon.
Brief description of the drawings:
For ease of explanation, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model.
1-bearing inner race; 2-inner pressure ring; 3-screw; 4-magnet fixing device; 5-internal magnet; The outer left pressure ring of 6-; The outer adapter sleeve of 7-; 8-external magnet; 9-outer set screw; The outer right pressure ring of 10-; 11-bearing outer ring; 12-circular electromagnets; The right magnet of 13-; 14-fixture; The left magnet of 15-.
Detailed description of the invention:
As shown in Figure 1, this detailed description of the invention is by the following technical solutions: a kind of low-power consumption magnetic levitation bearing, comprises bearing inner race 1, inner pressure ring 2, screw 3, magnet fixing device 4, internal magnet 5, outer left pressure ring 6, outer adapter sleeve 7, external magnet 8, outer set screw 9, outer right pressure ring 10, bearing outer ring 11, circular electromagnets 12, right magnet 13, fixture 14 and left magnet 15; Described magnet fixing device 4 is two, and described magnet fixing device 4 is fixed on bearing inner race 1 both sides external by screw 3 and magnet fixing device 4 respectively; Described internal magnet 5 is two, and described internal magnet 5 is separately fixed at above magnet fixing device 4; Described bearing outer ring 11 is positioned at bearing inner race 1 outside; Described external magnet 8 is two, described external magnet 8 lays respectively at bearing outer ring 11 both sides, described external magnet 8 is fixed on bearing outer ring 11 left sides by outer left pressure ring 6 and outer set screw 9, and described external magnet 8 is fixed on bearing outer ring 11 right sides by outer set screw 9 and outer right pressure ring 10; Described outer adapter sleeve 7 is fixed on outer left pressure ring 6 and outer right pressure ring 10 outsides; Described circular electromagnets 12 is fixed on bearing outer ring 11 inner sides; Described fixture 14 is two, and described fixture 14 is separately fixed at bearing inner race 1 both sides; Described right magnet 13 is positioned at circular electromagnets 12 right sides, and described right magnet 13 is fixed on fixture 14 left sides; Described left magnet 15 is positioned at circular electromagnets 12 left sides, and described left magnet 15 is fixed on fixture 14 right sides.
Wherein, described internal magnet 5 is identical with the corresponding surface polarity of external magnet 8; State circular electromagnets 12 identical with the corresponding surface polarity of right magnet 13 and left magnet 15.
Use state of the present utility model is: when use, only this device need to be installed to the place needing, can bring into use; When use, provide bearing capacity radially by internal magnet 5 and external magnet 8 with the principle of repelling each other; By circular electromagnets 12 and right magnet 13 and the same principle of repelling each other of left magnet 15, ensure that this device there will not be axial play, thereby ensured stability and the security of this device in addition.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model, the technical staff of the industry should understand, the utility model is not restricted to the described embodiments, that in above-described embodiment and description, describes just illustrates principle of the present utility model, do not departing under the prerequisite of the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall within the scope of claimed the utility model, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a low-power consumption magnetic levitation bearing, is characterized in that: comprise bearing inner race (1), inner pressure ring (2), screw (3), magnet fixing device (4), internal magnet (5), outer left pressure ring (6), outer adapter sleeve (7), external magnet (8), outer set screw (9), outer right pressure ring (10), bearing outer ring (11), circular electromagnets (12), right magnet (13), fixture (14) and left magnet (15);
Described magnet fixing device (4) is two, and described magnet fixing device (4) is fixed on bearing inner race (1) both sides external by screw (3) and magnet fixing device (4) respectively;
Described internal magnet (5) is two, and described internal magnet (5) is separately fixed at magnet fixing device (4) above;
Described bearing outer ring (11) is positioned at bearing inner race (1) outside;
Described external magnet (8) is two, described external magnet (8) lays respectively at bearing outer ring (11) both sides, described external magnet (8) is fixed on bearing outer ring (11) left side by outer left pressure ring (6) and outer set screw (9), and described external magnet (8) is fixed on bearing outer ring (11) right side by outer set screw (9) and outer right pressure ring (10);
Described outer adapter sleeve (7) is fixed on outer left pressure ring (6) and outer right pressure ring (10) outside;
Described circular electromagnets (12) is fixed on bearing outer ring (11) inner side;
Described fixture (14) is two, and described fixture (14) is separately fixed at bearing inner race (1) both sides;
Described right magnet (13) is positioned at circular electromagnets (12) right side, and described right magnet (13) is fixed on fixture (14) left side;
Described left magnet (15) is positioned at circular electromagnets (12) left side, and described left magnet (15) is fixed on fixture (14) right side.
2. a kind of low-power consumption magnetic levitation bearing according to claim 1, is characterized in that: described internal magnet (5) is identical with the corresponding surface polarity of external magnet (8).
3. a kind of low-power consumption magnetic levitation bearing according to claim 1, is characterized in that: described circular electromagnets (12) is identical with the corresponding surface polarity of right magnet (13) and left magnet (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520905043.4U CN205244136U (en) | 2015-11-13 | 2015-11-13 | Low -power consumption magnetic suspension bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520905043.4U CN205244136U (en) | 2015-11-13 | 2015-11-13 | Low -power consumption magnetic suspension bearing |
Publications (1)
Publication Number | Publication Date |
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CN205244136U true CN205244136U (en) | 2016-05-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520905043.4U Expired - Fee Related CN205244136U (en) | 2015-11-13 | 2015-11-13 | Low -power consumption magnetic suspension bearing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107842571A (en) * | 2017-11-21 | 2018-03-27 | 北华大学 | A kind of blind-guidance robot chassis and its balanced shock-absorbing device |
-
2015
- 2015-11-13 CN CN201520905043.4U patent/CN205244136U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107842571A (en) * | 2017-11-21 | 2018-03-27 | 北华大学 | A kind of blind-guidance robot chassis and its balanced shock-absorbing device |
CN107842571B (en) * | 2017-11-21 | 2023-08-01 | 北华大学 | Blind guiding robot chassis and balance damping device thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20161113 |