Magnetic suspension type externally-charged multi-pole permanent magnet structure

Abstract

The utility model belongs to the technical field of permanent magnets, and particularly relates to a magnetic suspension type externally-charged multi-pole permanent magnet structure, which comprises a first bearing half shell, a second bearing half shell and a bearing rotor, the second bearing half shell is arranged on one side of the first bearing half shell, and the bearing rotor is arranged between the first bearing half shell and the second bearing half shell; the surfaces of the first bearing half shell and the second bearing half shell are connected with first side lugs, one sides of the first side lugs are connected with connecting blocks, and fixing threaded holes are formed in the surfaces of the connecting blocks. According to the magnetic suspension bearing, when the magnetic suspension bearing needs to be subjected to internal maintenance and part replacement, the fixing bolt can be rotated, the fixing bolt can move outwards when rotating in the fixing threaded hole, and when the fixing bolt moves to the outside of the fixing threaded hole, the first bearing half shell and the second bearing half shell can be separated; in this way, the interior of the magnetic suspension bearing can be maintained, parts can be replaced, and resource waste and economic loss are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of permanent magnets, and in particular relates to a magnetic suspension type externally filled multi-pole permanent magnet structure. Background Art

[0002] Magnetic levitation technology, referred to as EML technology or EMS technology, refers to a technology that uses magnetic force to overcome gravity to suspend objects. Suspension technologies mainly include magnetic levitation, optical levitation, acoustic levitation, air flow levitation, electric levitation, particle beam levitation, etc., among which magnetic levitation technology is relatively mature. Among them, magnetic levitation bearings also apply magnetic levitation technology. Magnetic levitation bearings are widely used in various industrial applications, such as power generation, oil refining, turbomachinery, pumps and flywheel energy storage systems. Unlike mechanical bearings, this type of bearing uses magnetic levitation rather than physical contact to support moving loads. Since magnetic levitation bearings do not generate friction and do not require lubrication during operation, and have low maintenance costs, they are gradually replacing mechanical bearings, not to mention that this type of bearing has a longer service life.

[0003] The shell of an existing magnetic bearing is usually an integrated structure, which makes it difficult to repair the magnetic bearing. When the magnetic bearing is partially damaged, it needs to be discarded as a whole, which will cause waste of resources and economic losses. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetic levitation type externally filled multi-pole permanent magnet structure, aiming to solve the problem that the outer shell of the magnetic levitation bearing in the prior art is usually an integrated structure, which makes the magnetic levitation bearing difficult to repair. When the magnetic levitation bearing is partially damaged, it needs to be discarded as a whole, which will cause waste of resources and economic losses.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic suspension type externally filled multi-pole permanent magnet structure, comprising a first bearing half shell, a second bearing half shell and a bearing rotor, wherein the second bearing half shell is arranged on one side of the first bearing half shell, and a bearing rotor is arranged between the first bearing half shell and the second bearing half shell;

[0006] A first side ear is connected to the surface of the first bearing half shell and the second bearing half shell, a connecting block is connected to one side of the first side ear, a fixing threaded hole is provided on the surface of the connecting block, a second side ear is connected to the other side surface of the first bearing half shell and the second bearing half shell, a mounting hole is provided on the surface of the second side ear, and a fixing bolt passes through the interior of the mounting hole.

[0007] As a preferred magnetic suspension type externally filled multi-pole permanent magnet structure of the utility model, the first side ear and the connecting block are an integrated structure, and the size of the connecting block matches the size of the second side ear groove.

[0008] As a preferred embodiment of the magnetic suspension type externally filled multi-pole permanent magnet structure of the utility model, the positions of the fixing threaded hole and the mounting hole correspond, and the fixing bolt and the fixing threaded hole are threadedly connected.

[0009] As a preferred magnetic suspension type externally filled multi-pole permanent magnet structure of the utility model, the inner walls of the first bearing half shell and the second bearing half shell are connected with washers, and the bottom side of the washers is connected with a protective half ring.

[0010] As a preferred embodiment of the magnetic suspension type externally filled multi-pole permanent magnet structure of the utility model, the two washers can be combined into a complete circular ring, and the two protective half circles can be combined into a complete circular ring.

[0011] As a preferred embodiment of the magnetic suspension type externally filled multi-pole permanent magnet structure of the utility model, the gasket and the protective half ring are made of rubber material.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. According to the utility model, when the magnetic bearing needs internal maintenance and parts replacement, the fixing bolt can be rotated, and the fixing bolt can move outward when rotating inside the fixing threaded hole. When the fixing bolt moves to the outside of the fixing threaded hole, the first bearing half shell and the second bearing half shell can be separated, so that the interior of the magnetic bearing can be repaired and parts replaced, avoiding waste of resources and economic losses;

[0014] 2. In the utility model, when the bearing rotor rotates inside the first bearing half shell and the second bearing half shell, the gasket and the protective half ring can play a protective role, so that the bearing rotor can be prevented from directly hitting the surface of the first bearing half shell and the second bearing half shell, thereby preventing the interior of the bearing half shell from being damaged by the impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the bearing half shell structure of the utility model.

[0020] In the figure: 1, first bearing half shell; 2, second bearing half shell; 3, bearing rotor; 4, first side ear; 5, connecting block; 6, fixing threaded hole; 7, second side ear; 8, mounting hole; 9, fixing bolt; 10, washer; 11, protective half ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a magnetic suspension type externally filled multi-pole permanent magnet structure, comprising a first bearing half shell 1, a second bearing half shell 2 and a bearing rotor 3, the second bearing half shell 2 is arranged on one side of the first bearing half shell 1, and the bearing rotor 3 is arranged between the first bearing half shell 1 and the second bearing half shell 2;

[0023] A first side ear 4 is connected to the surface of the first bearing half shell 1 and the second bearing half shell 2, a connecting block 5 is connected to one side of the first side ear 4, a fixing threaded hole 6 is provided on the surface of the connecting block 5, a second side ear 7 is connected to the other side surface of the first bearing half shell 1 and the second bearing half shell 2, a mounting hole 8 is provided on the surface of the second side ear 7, a fixing bolt 9 is passed through the interior of the mounting hole 8.

[0024] Preferably, the first side ear 4 and the connecting block 5 are an integral structure, and the sizes of the connecting block 5 and the grooves of the second side ear 7 match.

[0025] Preferably, the positions of the fixing threaded hole 6 and the mounting hole 8 correspond, and the fixing bolt 9 and the fixing threaded hole 6 are threadedly connected.

[0026] During specific use, when the fixing bolt 9 moves to the outside of the fixing threaded hole 6, the first bearing half shell 1 can be separated from the second bearing half shell 2, so that the interior of the magnetic bearing can be repaired and parts replaced.

[0027] Preferably, a gasket 10 is connected to the inner wall of the first bearing half shell 1 and the second bearing half shell 2 , and a protective half ring 11 is connected to the bottom side of the gasket 10 .

[0028] Preferably, the two washers 10 can be combined into a complete ring, and the two protective half rings 11 can be combined into a complete ring.

[0029] Preferably, the gasket 10 and the protective half ring 11 are made of rubber.

[0030] During specific use, the washer 10 and the protective half ring 11 can play a protective role, so as to prevent the bearing rotor 3 from directly hitting the first bearing half shell 1 and the second bearing half shell 2 to cause damage.

[0031] Working principle: When the magnetic bearing needs internal maintenance and parts replacement, the fixing bolt 9 can be rotated. The fixing bolt 9 can move outward when rotating inside the fixing threaded hole 6. When the fixing bolt 9 moves to the outside of the fixing threaded hole 6, the first bearing half shell 1 and the second bearing half shell 2 can be separated. In this way, the interior of the magnetic bearing can be repaired and parts replaced, avoiding waste of resources and economic losses.

[0032] When the bearing rotor 3 rotates inside the first bearing half shell 1 and the second bearing half shell 2, the gasket 10 and the protective half ring 11 can play a protective role, so as to prevent the bearing rotor 3 from directly hitting the surface of the first bearing half shell 1 and the second bearing half shell 2, thereby preventing the interior of the bearing half shells from being damaged by the impact.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A magnetically suspended externally filled multi-pole permanent magnet structure, comprising a first bearing half shell (1), a second bearing half shell (2) and a bearing rotor (3), characterized in that: A second bearing half shell (2) is arranged on one side of the first bearing half shell (1), and a bearing rotor (3) is arranged between the first bearing half shell (1) and the second bearing half shell (2); The surfaces of the first bearing half shell (1) and the second bearing half shell (2) are connected with a first side ear (4), one side of the first side ear (4) is connected with a connecting block (5), the surface of the connecting block (5) is provided with a fixing threaded hole (6), the other side surfaces of the first bearing half shell (1) and the second bearing half shell (2) are connected with a second side ear (7), the surface of the second side ear (7) is provided with a mounting hole (8), and a fixing bolt (9) penetrates the interior of the mounting hole (8).

2. A magnetically suspended externally filled multi-pole permanent magnet structure according to claim 1, characterized in that: The first side ear (4) and the connecting block (5) are an integrated structure, and the size of the connecting block (5) matches that of the groove of the second side ear (7).

3. A magnetically suspended externally filled multi-pole permanent magnet structure according to claim 1, characterized in that: The positions of the fixing threaded hole (6) and the mounting hole (8) correspond, and the fixing bolt (9) and the fixing threaded hole (6) are threadedly connected.

4. A magnetically suspended externally filled multi-pole permanent magnet structure according to claim 1, characterized in that: A gasket (10) is connected to the inner wall of the first bearing half shell (1) and the second bearing half shell (2), and a protective half ring (11) is connected to the bottom side of the gasket (10).

5. A magnetically suspended externally filled multi-pole permanent magnet structure according to claim 4, characterized in that: The two washers (10) can be combined into a complete circular ring, and the two protective half rings (11) can be combined into a complete circular ring.

6. A magnetically suspended externally filled multi-pole permanent magnet structure according to claim 5, characterized in that: The gasket (10) and the protective half ring (11) are made of rubber material.

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