CN215498765U

CN215498765U - Magnetic suspension device capable of freely controlling motion of suspension body

Info

Publication number: CN215498765U
Application number: CN202121236065.8U
Authority: CN
Inventors: 赵正东; 丁强
Original assignee: Wuxi Yunchuang Xingkong Technology Co ltd
Current assignee: Gravity Nanjing Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-11
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to a magnetic suspension device capable of freely controlling the motion of a suspension body, which comprises: the magnetic suspension assembly comprises a suspension body, and the suspension body is arranged in a suspension manner under the action of a magnetic field force; the limiting assembly comprises a tray and a plurality of positioning units, the positioning units are arranged around the center of the tray at equal intervals, each positioning unit comprises a first magnet, a second magnet, a third magnet and a fourth magnet, the first magnet is fixedly arranged on the lower side of the suspension body, the second magnet, the third magnet and the fourth magnet are sequentially and fixedly arranged on the tray, an adsorption force is generated between the first magnet and the third magnet, and a repulsive force is generated between the second magnet and the first magnet; and the driving component drives the tray to rotate so as to drive the positioning unit to synchronously act. The device can realize accurate control on the rotation of the suspension body and has good stability.

Description

Magnetic suspension device capable of freely controlling motion of suspension body

Technical Field

The utility model relates to the technical field of magnetic suspension, in particular to a magnetic suspension device capable of freely controlling the motion of a suspension body.

Background

Currently, magnetic levitation devices on the market simply achieve levitation of a levitation body, and do not achieve precise control of the levitation body, for example, an electromagnetic coil may cause uncontrolled rotation of the levitation body in a high-speed magnetic field alternation.

Chinese patent application nos. CN202022234088.7, CN202021387108.8, CN201921643667.8, etc. disclose some magnetic levitation devices. However, none of these magnetic levitation devices is directed to solving the problem of the rotation of the levitation body caused by the alternation of the high-speed magnetic field by the electromagnetic coil.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the technical defect that the magnetic suspension device in the prior art only simply realizes suspension of the suspension body and does not realize precise control of the suspension body.

In order to solve the above technical problem, the present invention provides a magnetic suspension device capable of freely controlling the motion of a suspension body, comprising:

the magnetic suspension assembly comprises a suspension body, and the suspension body is arranged in a suspension manner under the action of a magnetic field force;

the limiting assembly comprises a tray and a plurality of positioning units, the positioning units are distributed around the center of the tray at equal intervals, each positioning unit comprises a first magnet and a third magnet, the first magnets are fixedly arranged on the lower side of the suspension body, the third magnets are fixedly arranged on the tray, and adsorption force is generated between the first magnets and the third magnets;

and the driving component drives the tray to rotate so as to drive the positioning unit to synchronously act.

Preferably, the positioning unit further includes a second magnet and a fourth magnet, the second magnet and the fourth magnet are respectively located at two sides of the third magnet, and a repulsive force is generated between the first magnet and each of the second magnet and the fourth magnet.

Preferably, the positioning unit has 3-8 groups.

Preferably, the first magnet is located directly above the third magnet.

Preferably, the driving assembly comprises a driving source, a synchronous belt and a gear, the gear is fixedly arranged on the tray, the synchronous belt is wound on the gear, and the driving source drives the synchronous belt to move so as to drive the tray to move synchronously.

Preferably, the driving source is a motor.

Preferably, the gear box further comprises a base and a rotating shaft, the rotating shaft is rotatably connected with the base, and a central shaft of the gear is fixed with the rotating shaft.

Preferably, the driving assembly comprises a motor, the motor is arranged at the lower side of the tray, and the motor drives the tray to rotate around the central axis of the tray.

Preferably, the magnetic suspension assembly further comprises a ring magnet located directly below the suspension body and a plurality of electromagnetic coils located inside the ring magnet.

Preferably, the number of the electromagnetic coils is more than 2.

Preferably, the limiting assembly is positioned between the ring magnet and the suspension body.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. in the utility model, the driving component drives the tray to rotate, the positioning units comprise a first magnet, a second magnet, a third magnet and a fourth magnet, the polarities of the first magnet and the third magnet are opposite, so that attractive force is generated between the first magnet and the third magnet, the polarities of the first magnet and the second magnet are the same, so that repulsive force is generated between the first magnet and the second magnet, and similarly, the polarities of the first magnet and the third magnet are the same, so that repulsive force is generated between the first magnet and the third magnet, and the suspension bodies can be driven to synchronously rotate while the tray rotates by arranging the plurality of positioning units.

2. In the utility model, the positioning units are distributed at equal intervals around the center of the tray, so that the suspension body can be ensured to have better stability when rotating.

3. The utility model can realize accurate control on the rotation of the suspension body.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the magnetic suspension assembly and the limiting assembly.

The specification reference numbers indicate: 10. a suspension; 20. a tray; 21. a first magnet; 22. a second magnet; 23. a third magnet; 24. a fourth magnet; 30. a drive source; 31. a synchronous belt; 32. a gear; 33. a rotating shaft; 40. a base; 50. a ring magnet; 60. an electromagnet.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1-2, the utility model discloses a magnetic suspension device capable of freely controlling the motion of a suspension body, which comprises a magnetic suspension assembly, a limit assembly and a drive assembly.

The magnetic suspension assembly comprises a suspension body 10, and the suspension body 10 is arranged in a suspension manner under the action of magnetic field force. The suspension 10 may be a permanent magnet.

Spacing subassembly includes tray 20 and a plurality of locating element, and a plurality of locating element wind the center of tray 20 is equidistant arranges, and the locating element includes first magnet 21 and third magnet 23, and first magnet 21 is fixed to be set up in the downside of suspensory 10, and third magnet 23 is fixed to be set up on tray 20, produces the adsorption affinity between first magnet 21 and the third magnet 23.

The driving assembly drives the tray 20 to rotate to drive the positioning units to move synchronously.

The working principle of the utility model is as follows: the drive assembly drives the rotation of the tray 20. The positioning unit comprises a first magnet 21 and a third magnet 23, the polarity of the first magnet 21 is opposite to that of the third magnet 23, so that an attractive force is generated between the first magnet 21 and the third magnet 23. By providing a plurality of positioning units, the suspension body 10 can be driven to rotate synchronously while the tray 20 rotates. And because a plurality of positioning units are arranged around the center of the tray 20 at equal intervals, better stability of the suspension 10 can be ensured when rotating.

In another embodiment, the positioning unit further comprises a second magnet 22 and a fourth magnet 24, the second magnet 22 and the fourth magnet 24 are respectively located at two sides of the third magnet 23, and a repulsive force is generated between the first magnet and each of the second magnet 22 and the fourth magnet 24. In this way, by adding the second magnet 22 and the fourth magnet 24, a "repelling-attracting-repelling" structure is formed, and stability is improved.

The positioning unit has 3-8 groups. As shown in fig. 2, the positioning unit has three sets. And because three sets of positioning unit are equidistant around the center of tray 20, so, guaranteed the stability of structure, the rethread rotates tray 20 to realize the accurate control of suspension 10 rotation. The first magnets 21, at least two or more groups, which control the moving state, are arranged uniformly around the axial direction of the suspension body 10.

In another embodiment, the first magnet 21 is located directly above the third magnet 23. And the second magnet 22 and the fourth magnet 24 are respectively positioned at two sides of the third magnet 23, so that the structure is symmetrical, and the positioning effect is good.

The driving assembly comprises a driving source 30, a synchronous belt 31 and a gear 32, the gear 32 is fixedly arranged with the tray 20, the synchronous belt 31 is wound on the gear 32, and the driving source 30 drives the synchronous belt 31 to move so as to drive the tray 20 to move synchronously. The driving source 30 is a motor. The utility model also comprises a base 40 and a rotating shaft 33, wherein the rotating shaft 33 is rotatably connected with the base 40, and the central shaft of the gear 32 is fixed with the rotating shaft 33. The suspension body can be precisely controlled to be static and rotary by the servo motor, such as the orientation angle, the rotary direction, the rotary speed and the like.

In another embodiment, the drive assembly includes a motor disposed on the underside of the tray 20, which motor drives the tray 20 about its central axis. Specifically, holes are dug in the lower portion of the base and the center of the magnetic suspension base through the motor, and a motor rotating shaft penetrates through the base to be directly connected with the center of the tray and directly driven.

The magnetic levitation assembly further includes a ring magnet 50 and a plurality of electromagnetic coils, the ring magnet 50 being located directly below the levitation body 10, the plurality of electromagnetic coils being located inside the ring magnet 50. That is, the magnetic levitation assembly can be a conventional push-down magnetic levitation assembly, and the working principle of the push-down magnetic levitation assembly is the prior art, which is not described in detail herein. The number of the electromagnetic coils is more than 2.

The spacing assembly is located between the ring magnet 50 and the suspension body 10. By arranging the limiting assembly between the ring magnet 50 and the suspension body 10, the problem of uncontrolled rotation of the suspension body 10 caused by the alternation of the electromagnetic coil in a high-speed magnetic field can be solved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A magnetic suspension device capable of freely controlling the motion of a suspension body is characterized by comprising:

2. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 1, wherein the positioning unit further comprises a second magnet and a fourth magnet, the second magnet and the fourth magnet are respectively located at two sides of the third magnet, and a repulsive force is generated between the first magnet and each of the second magnet and the fourth magnet.

3. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 1, wherein the positioning unit has 3-8 groups.

4. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 1, wherein the first magnet is located directly above the third magnet.

5. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 1, wherein the driving assembly comprises a driving source, a synchronous belt and a gear, the gear is fixedly arranged with the tray, the synchronous belt is wound on the gear, and the driving source drives the synchronous belt to move so as to drive the tray to move synchronously.

6. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 5, wherein the driving source is a motor.

7. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 5, further comprising a base and a rotating shaft, wherein the rotating shaft is rotatably connected with the base, and the central shaft of the gear is fixed with the rotating shaft.

8. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 1, wherein the driving assembly comprises a motor disposed at the lower side of the tray, and the motor drives the tray to rotate around the central axis of the tray.

9. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 1, wherein the magnetic levitation assembly further comprises a ring magnet and a plurality of electromagnetic coils, the ring magnet is located directly below the levitation body, and the plurality of electromagnetic coils are located inside the ring magnet.

10. The magnetic levitation device capable of freely controlling the motion of a levitation body as recited in claim 9, wherein the number of electromagnetic coils is more than 2.