CN209875740U - Axial magnetic suspension bearing - Google Patents

Abstract

The utility model discloses an axial magnetic suspension bearing, which comprises a first exhaust port, a second exhaust port, an outer ring, an insulating column, a coil, an inner ring, a rotor, a fan blade, a positioning plate, a movable rod, a mounting rack, a reset spring, an extension spring, a jack and a side vertical plate, wherein the inner ring is arranged inside the outer ring, one end of the insulating column is fixed on the outer wall of the inner ring, the other end of the insulating column is fixed on the inner wall of the outer ring, the coil is sleeved outside the insulating column, the first exhaust port is arranged inside the outer ring, the utility model discloses a positioning plate and the side vertical plate are arranged outside the rotor, after the bearing is powered off, the position of the rotor is limited, the rotor can not be deviated, the normal use of the bearing can be ensured, the fan blade is arranged outside the rotor, when the rotor rotates, the fan blade is driven to rotate, when in use, heat is discharged through the first exhaust port, the heat dissipation of the bearing is realized, and the service life of the bearing is prolonged.

Description

Axial magnetic suspension bearing

Technical Field

The utility model relates to a magnetic suspension bearing technical field specifically is an axial magnetic suspension bearing.

Background

The magnetic suspension bearing suspends the rotor in the air by utilizing the magnetic force action, so that no mechanical contact exists between the rotor and the stator, the principle is that magnetic induction lines and the magnetic suspension lines are vertical, a shaft core is parallel to the magnetic suspension lines, the weight of the rotor is fixed on a running track, the shaft core which is almost unloaded is utilized to prop against the direction of the reverse magnetic suspension lines, the whole rotor is suspended in the air, the rotor is on the fixed running track, the conventional magnetic suspension bearing is powered off, the rotor can deviate, the rotor is not easy to reset after the power is on, the rotor cannot be normally used, the inner coil of the conventional magnetic suspension bearing can generate large heat after the power is on, the heat can not be dissipated when the magnetic suspension bearing is used, and the service life of the bearing can be shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axial magnetic suspension bearing to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: an axial magnetic suspension bearing comprises a first exhaust port, a second exhaust port, an outer ring, an insulating column, a coil, an inner ring, a rotor, a fan blade, a positioning plate, a telescopic rod, a movable rod, a mounting frame, a reset spring, an extension spring, a jack and a side vertical plate, wherein the inner ring is arranged inside the outer ring, one end of the insulating column is fixed on the outer wall of the inner ring, the other end of the insulating column is fixed on the inner wall of the outer ring, the coil is sleeved outside the insulating column, the first exhaust port is arranged inside the outer ring, the second exhaust port is arranged inside the inner ring, the mounting frame is arranged on the inner wall of the inner ring, the bottom end of the movable rod is arranged inside the mounting frame through a bolt, the jack is arranged inside the movable rod, the telescopic rod is inserted inside the jack, one end of the extension spring is fixed on the bottom side hole wall of the jack, and the, one end of the reset spring is fixed on one side of the movable rod, the other end of the reset spring is fixed on one side of the inner wall of the inner ring, the positioning plate is installed at one end of the telescopic rod, the side vertical plate is installed at one end of the bottom side of the positioning plate, and the fan blades are installed on the outer side of the rotor.

Furthermore, the outside equidistance of inner ring is provided with six groups of coils, first gas vent and second gas vent correspond to be seted up, and the equidistance has seted up six groups.

Furthermore, the axis of the outer ring, the axis of the inner ring and the axis of the rotor are the same straight line.

Furthermore, the locating plate is arranged on the outer side edge of the rotor in a surrounding mode, and the side vertical plate is arranged on one side of the rotor.

Furthermore, the inner wall of inner ring is equallyd divide and is provided with four groups of telescopic links, the flabellum parallel first exhaust port and second exhaust port set up.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a, through be provided with locating plate and side riser in the rotor outside, after the bearing outage, it is spacing to the position of rotor, can not lead to the rotor skew, can guarantee bearing normal use after the circular telegram, be provided with the flabellum in the outside of rotor, when the rotor is rotatory, it is rotatory to drive the flabellum, when using, the heat discharges through first exhaust hole and second gas vent, realizes the heat dissipation to the bearing, improves bearing life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the supporting and limiting structure of the present invention;

FIG. 3 is a schematic view of the structure of the area A in FIG. 1 according to the present invention;

in the figure: 1. a first exhaust port; 2. a second exhaust port; 3. an outer ring; 4. an insulating column; 5. a coil; 6. an inner ring; 7. a rotor; 8. a fan blade; 9. positioning a plate; 10. a telescopic rod; 11. a movable rod; 12. a mounting frame; 13. a return spring; 14. an extension spring; 15. a jack; 16. and a side vertical plate.

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. 1-3, the present invention provides a technical solution: an axial magnetic suspension bearing comprises a first exhaust port 1, a second exhaust port 2, an outer ring 3, an insulating column 4, coils 5, an inner ring 6, a rotor 7, fan blades 8, a positioning plate 9, a telescopic rod 10, a movable rod 11, a mounting frame 12, a reset spring 13, an extension spring 14, a jack 15 and a side vertical plate 16, wherein the inner ring 6 is arranged inside the outer ring 3, one end of the insulating column 4 is fixed on the outer wall of the inner ring 6, the other end of the insulating column 4 is fixed on the inner wall of the outer ring 3, the coils 5 are sleeved outside the insulating column 4, the first exhaust port 1 is arranged inside the outer ring 3, the second exhaust port 2 is arranged inside the inner ring 6, the mounting frame 12 is arranged on the inner wall of the inner ring 6, six groups of coils 5 are equidistantly arranged outside the inner ring 6, the first exhaust port 1 and the second exhaust port 2 are correspondingly arranged, six groups are equidistantly arranged, the bottom end of the movable rod 11 is, the jack 15 is arranged in the movable rod 11, the telescopic rod 10 is inserted in the jack 15, one end of the extension spring 14 is fixed on the bottom hole wall of the jack 15, the other end of the extension spring 14 is fixed at the bottom end of the telescopic rod 10, one end of the return spring 13 is fixed on one side of the movable rod 11, the other end of the return spring 13 is fixed on one side of the inner wall of the inner ring 6, the positioning plate 9 is arranged at one end of the telescopic rod 10, the side vertical plate 16 is arranged at one end of the bottom side of the positioning plate 9, the fan blades 8 are arranged on the outer side of the rotor 7, the axis of the outer ring 3, the axis of the inner ring 6 and the axis of the rotor 7 are in the same straight line, the positioning plate 9 is arranged around the outer edge of the rotor 7, the side vertical plate 16 is arranged on one side of; be provided with locating plate 9 in the outside of rotor 7, under the cooperation of side riser 16, after the bearing outage, can guarantee that rotor 7 can not take place the displacement, rotor 7 can normally reset after the circular telegram, when carrying out the bearing use, when jolting and vibration take place, the skew of side riser 16 is realized to movable rod 11 under the cooperation of mounting bracket 12, under the reset spring 13 cooperation of the both sides of movable rod 11, can be after movable rod 11 skews, can reset movable rod 11, be provided with extension spring 14 between telescopic link 10 and the movable rod 11, can be spacing to jolting buffering, guarantee rotor 7 at the center department of inner ring 6, set up flabellum 8 in the outside of rotor 7, when rotor 7 rotates, can drive flabellum 8 rotatory, exhaust through first gas vent 1 and the cooperation of second gas vent 2, dispel the heat to coil 5, and prolong service life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an axial magnetic suspension bearing, includes first exhaust port (1), second exhaust port (2), outer loop (3), insulated column (4), coil (5), inner ring (6), rotor (7), flabellum (8), locating plate (9), telescopic link (10), movable rod (11), mounting bracket (12), reset spring (13), extension spring (14), jack (15) and side riser (16), its characterized in that: the inner ring (6) is arranged inside the outer ring (3), one end of the insulating column (4) is fixed on the outer wall of the inner ring (6), the other end of the insulating column (4) is fixed on the inner wall of the outer ring (3), the coil (5) is sleeved outside the insulating column (4), the first exhaust port (1) is arranged inside the outer ring (3), the second exhaust port (2) is arranged inside the inner ring (6), the mounting frame (12) is arranged on the inner wall of the inner ring (6), the bottom end of the movable rod (11) is arranged inside the mounting frame (12) through a bolt, the jack (15) is arranged inside the movable rod (11), the telescopic rod (10) is inserted inside the jack (15), one end of the tension spring (14) is fixed on the bottom side of the jack (15), and the other end of the tension spring (14) is fixed on the bottom end of the telescopic rod (10), one end of the return spring (13) is fixed on one side of the movable rod (11), the other end of the return spring (13) is fixed on one side of the inner wall of the inner ring (6), the positioning plate (9) is installed at one end of the telescopic rod (10), the side vertical plate (16) is installed at one end of the bottom side of the positioning plate (9), and the fan blades (8) are installed on the outer side of the rotor (7).

2. The axial magnetic suspension bearing according to claim 1, characterized in that: the outside equidistance of inner ring (6) is provided with six coils (5), first gas vent (1) and second gas vent (2) correspond and offer, and the equidistance has seted up six groups.

3. The axial magnetic suspension bearing according to claim 1, characterized in that: the axial line of the outer ring (3), the axial line of the inner ring (6) and the axial line of the rotor (7) are collinear.

4. The axial magnetic suspension bearing according to claim 1, characterized in that: the positioning plate (9) is arranged on the outer side edge of the rotor (7) in a surrounding mode, and the side vertical plate (16) is arranged on one side of the rotor (7).

5. The axial magnetic suspension bearing according to claim 1, characterized in that: the inner wall of inner ring (6) is equallyd divide and is provided with four groups of telescopic links (10), fan blade (8) parallel first gas vent (1) and second gas vent (2) set up.