CN219755114U

CN219755114U - Magnetic suspension bearing structure

Info

Publication number: CN219755114U
Application number: CN202321305953.XU
Authority: CN
Inventors: 张凯逸; 张民
Original assignee: Wuxi Alien Environmental Technology Co ltd
Current assignee: Wuxi Alien Environmental Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-26
Anticipated expiration: 2033-05-26

Abstract

The utility model provides a magnetic suspension bearing structure, which comprises a bearing body; the outer side surface of the bearing body is provided with an outer wear-resistant layer, the inner side of the bearing body is provided with a middle dividing line, the inner side of the middle dividing line is provided with an inner thickening layer, the inner side wall of the inner thickening layer is provided with six groups of inner binding wire blocks, the inner binding wire blocks are annularly arranged outside the inner shaft sleeve, and the inner shaft sleeve is positioned at the inner center of the bearing body; the centers of the bearing body and the inner shaft sleeve are positioned on the same axis, and the bearing body, the inner binding wire block and the inner shaft sleeve are made of carbon steel; the inner binding wire block is provided with a side groove, a coil group is sleeved in the side groove, and an inner gap is arranged between the inner binding wire block and an adjacent group of inner binding wire blocks; the front end of the inner binding wire block is provided with a front connecting edge. The coil assembly bound in the utility model is stable and firm in installation, the inner wire body is not easy to slide out, the outer wire body is not easy to stabilize, the bearing is more tightly and firmly installed, and the use is safer and more reliable.

Description

Magnetic suspension bearing structure

Technical Field

The utility model relates to the technical field of magnetic suspension bearings, in particular to a magnetic suspension bearing structure.

Background

The corresponding moving parts of the existing various sliding bearings and rolling bearings are in sliding or rolling type direct contact. In the specification of the comparison document CN108679083a, it is mentioned that each magnetic suspension bearing includes annular first magnetic steel, second magnetic steel and third magnetic steel coaxially arranged with the shaft, the first magnetic steel is relatively fixed with the mounting piece on the corresponding side, the second magnetic steel is relatively fixed with the shaft, the second magnetic steel is arranged in the first magnetic steel and rotates relatively with the first magnetic steel, and the polarities of the magnetic poles on the adjacent sides of the second magnetic steel and the first magnetic steel are the same; the third magnetic steel is relatively fixed with the mounting part, but the coil group bound in the bearing in the comparison file is not installed and bound, so that stability possibly occurs in the high-speed operation process, and the magnetic suspension operation stability is operated, and the use is not safe and reliable.

Disclosure of Invention

In order to overcome the defects existing in the prior art, a magnetic suspension bearing structure is provided at present to solve the problems that coil groups bound in bearings in a comparison document are not installed and bound, so that stability possibly occurs in a high-speed operation process, and therefore the operation stability of magnetic suspension operation is not safe and reliable.

In order to achieve the above object, there is provided a magnetic suspension bearing structure including a bearing body; the outer side of bearing body is provided with outer wear-resisting layer, and the inboard of bearing body is provided with well dividing line, well dividing line's inboard is provided with interior thickening layer, and the inside wall in interior thickening layer is provided with six interior wiring pieces of group, interior wiring piece ring is established outside the inner sleeve, and the inner sleeve is located bearing body inner center.

Furthermore, the centers of the bearing body and the inner shaft sleeve are all positioned on the same axis, and the bearing body, the inner binding wire block and the inner shaft sleeve are all made of carbon steel.

Further, a side groove is formed in the inner binding wire block, a coil group is sleeved in the side groove, and an inner gap is formed between the inner binding wire block and an adjacent group of inner binding wire blocks.

Further, the front end of the inner binding wire block is provided with a front connecting edge, three groups of first front wire holes are formed in the front connecting edge, three groups of first rear wire holes are formed in the rear portion of the inner binding wire block, and a group of reinforcing wires are arranged between the first front wire holes and the first rear wire holes which are aligned inside and outside.

Further, the front connecting edge of the front end of the inner binding wire block is fixed on the outer ring surface of the inner shaft sleeve, and the reinforcing wires bound on the inner binding wire block are made of iron wires.

Further, a plurality of groups of protrusions are arranged on the inner side wall of the inner shaft sleeve, and a group of inner notches are arranged between two adjacent groups of protrusions.

The utility model has the beneficial effects that:

1. the bearing body is firm in structural arrangement, wear-resistant and corrosion-resistant in the outer part, firm in inner thickening and durable after being installed.

2. According to the utility model, the side grooves formed in the side surfaces of the inner binding wire blocks are of an inverted trapezoid structure, so that the coil assembly is more stable and firm in the side grooves and is not easy to run out from the side edges, and meanwhile, the three groups of reinforcing wires bound outside the coil assembly are more firmly bound outside the coil assembly, so that disorder is not easy to occur, and the coil assembly is safe and reliable to use.

3. The arrangement of the inner shaft sleeve is used for conveniently and firmly installing the shaft rod, and the inner shaft sleeve is tightly and firmly connected with the shaft rod, so that the installation of the whole magnetic suspension shaft is more stable.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is an expanded view of an inner binding-wire block structure according to an embodiment of the present utility model;

fig. 4 is a schematic view of the inner hub structure according to an embodiment of the present utility model.

In the figure: 1. a bearing body; 10. an outer wear layer; 11. a middle dividing line; 12. an inner thickening layer; 2. an inner binding wire block; 20. a first back wire hole; 21. a front connecting edge; 22. a first front line aperture; 23. an inner void; 24. reinforcing wires; 25. a coil assembly; 26. a side groove; 3. an inner sleeve; 30. a protrusion; 31. an inner recess.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

Fig. 1 is a front view schematically showing an embodiment of the present utility model, fig. 2 is a cross-sectional view schematically showing an embodiment of the present utility model, fig. 3 is an expanded view schematically showing an inner binding wire block structure according to an embodiment of the present utility model, and fig. 4 is a schematic view schematically showing an inner hub structure according to an embodiment of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a magnetic suspension bearing structure comprising a bearing body 1; the outer side of the bearing body 1 is provided with an outer wear-resistant layer 10, the inner side of the bearing body 1 is provided with a middle dividing line 11, the inner side of the middle dividing line 11 is provided with an inner thickening layer 12, the inner side wall of the inner thickening layer 12 is provided with six groups of inner binding wire blocks 2, the inner binding wire blocks 2 are annularly arranged outside the inner shaft sleeve 3, and the inner shaft sleeve 3 is positioned at the inner center of the bearing body 1.

In this embodiment, the centers of the bearing body 1 and the inner sleeve 3 are all located on the same axis, and the bearing body 1, the inner binding-wire block 2 and the inner sleeve 3 are all made of carbon steel.

As a preferred embodiment, the bearing body 1 is firm in structural arrangement, wear-resistant and corrosion-resistant in the outer part, and firm in inner thickening, so that the bearing body is durable after being installed.

In the embodiment, a side groove 26 is formed on the inner binding-wire block 2, a coil group 25 is sleeved in the side groove 26, and an inner gap 23 is formed between the inner binding-wire block 2 and an adjacent group of inner binding-wire blocks 2; the front end of the inner binding wire block 2 is provided with a front connecting edge 21, three groups of first front wire holes 22 are formed in the front connecting edge 21, three groups of first rear wire holes 20 are formed in the rear portion of the inner binding wire block 2, and a group of reinforcing wires 24 are respectively arranged between the first front wire holes 22 and the first rear wire holes 20 which are aligned inside and outside.

As a preferred embodiment, the side groove 26 formed on the side surface of the inner binding wire block 2 adopts an inverted trapezoid structure, so that the coil assembly 25 is more stable and firm in the side groove 26 and is not easy to run out from the side, and simultaneously, the three groups of reinforcing wires 24 bound outside the coil assembly 25 are more firm in binding the outside of the coil assembly 25, so that disorder is not easy to occur, and the coil assembly is safe and reliable to use.

In the embodiment, a front connecting edge 21 at the front end of the inner binding wire block 2 is fixed on the outer ring surface of the inner shaft sleeve 3, and a reinforcing wire 24 bound on the inner binding wire block 2 is made of iron wires; a plurality of groups of bulges 30 are arranged on the inner side wall of the inner shaft sleeve 3, and a group of inner notches 31 are arranged between two adjacent groups of bulges 30.

As a preferred embodiment, the inner sleeve 3 is provided to facilitate the installation of the stable shaft, and the inner sleeve 3 is tightly and firmly connected with the shaft, so that the installation of the whole magnetic suspension shaft is more stable.

The utility model can effectively solve the problems that the coil group bound in the bearing in the comparison document is not installed and bound, so that the stability can occur in the high-speed operation process, the operation stability of magnetic suspension operation is ensured, the use is not safe and reliable, the installation of the coil group bound in the utility model is stable and firm, the inner side line body is not easy to slide out, the outer side line body is not easy to be stable, the installation of the bearing is more compact and firm, and the use is safer and more reliable.

The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.

Claims

1. A magnetic suspension bearing structure, characterized by comprising a bearing body (1); the anti-wear bearing is characterized in that an outer wear-resistant layer (10) is arranged on the outer side face of the bearing body (1), a middle dividing line (11) is arranged on the inner side of the bearing body (1), an inner thickening layer (12) is arranged on the inner side of the middle dividing line (11), six groups of inner binding line blocks (2) are arranged on the inner side wall of the inner thickening layer (12), the inner binding line blocks (2) are annularly arranged outside the inner shaft sleeve (3), and the inner shaft sleeve (3) is located at the inner center of the bearing body (1).

2. A magnetic suspension bearing structure according to claim 1, characterized in that the centers of the bearing body (1) and the inner sleeve (3) are all positioned on the same axis, and the bearing body (1), the inner binding wire block (2) and the inner sleeve (3) are all made of carbon steel.

3. A magnetic suspension bearing structure according to claim 1, characterized in that the inner binding-wire block (2) is provided with side grooves (26), the coil groups (25) are arranged in the side grooves (26), and inner gaps (23) are arranged between the inner binding-wire block (2) and the adjacent group of inner binding-wire blocks (2).

4. A magnetic suspension bearing structure according to claim 1, characterized in that the front end of the inner binding-wire block (2) is provided with a front connecting edge (21), three groups of first front wire holes (22) are formed in the front connecting edge (21), three groups of first rear wire holes (20) are formed in the rear portion of the inner binding-wire block (2), and a group of reinforcing wires (24) are respectively arranged between the inner and outer aligned first front wire holes (22) and the first rear wire holes (20).

5. A magnetic suspension bearing structure according to claim 1, characterized in that the front connecting edge (21) of the front end of the inner binding wire block (2) is fixed on the outer ring surface of the inner shaft sleeve (3), and the reinforcing wires (24) bound on the inner binding wire block (2) are made of iron wires.

6. A magnetic bearing structure according to claim 1, characterized in that a plurality of groups of protrusions (30) are provided on the inner side wall of the inner hub (3), and a group of inner recesses (31) are provided between two adjacent groups of protrusions (30).