CN220122798U - Magnetic suspension linear motor - Google Patents
Magnetic suspension linear motor Download PDFInfo
- Publication number
- CN220122798U CN220122798U CN202321724058.1U CN202321724058U CN220122798U CN 220122798 U CN220122798 U CN 220122798U CN 202321724058 U CN202321724058 U CN 202321724058U CN 220122798 U CN220122798 U CN 220122798U
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- Prior art keywords
- magnetic suspension
- assembly
- silicon steel
- permanent magnet
- steel sheet
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 73
- 239000000725 suspension Substances 0.000 title claims abstract description 57
- 238000007667 floating Methods 0.000 claims abstract description 23
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000005339 levitation Methods 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Landscapes
- Linear Motors (AREA)
Abstract
The utility model discloses a magnetic suspension linear motor, which relates to the technical field of linear motors and comprises a magnetic suspension outer rail, wherein a magnetic suspension floating rail assembly is movably arranged on the magnetic suspension outer rail, the magnetic suspension floating rail assembly transversely moves along the magnetic suspension outer rail, bearing pulley blocks are arranged on two sides of the magnetic suspension floating rail assembly, sliding grooves matched with the bearing pulley blocks are arranged on the magnetic suspension outer rail, a moving body assembly is arranged at the bottom of the magnetic suspension floating rail assembly, permanent magnet groups are symmetrically arranged on two sides of the upper part of the magnetic suspension floating rail assembly, and a stator driving motor assembly capable of generating a variable magnetic field is arranged on the magnetic suspension outer rail corresponding to the position right below the permanent magnet groups.
Description
Technical Field
The utility model relates to the technical field of linear motors, in particular to a magnetic suspension linear motor.
Background
In the conventional translation device for a moving body, a rotary motor is generally used for driving, and therefore, the rotation of the motor needs to be converted into linear motion of a door through a gear-rack, a lead screw, a synchronous belt, a chain and other transmission devices. The indirect driving mode has the advantages that the mechanical abrasion and the mechanical clearance exist, and the transmission device has larger inertia, so that the motion precision and the stability are not high, the starting speed is low, the service life is short, the transmission device needs to be regularly maintained or replaced, and the problems are more remarkable in the occasions of large-stroke and heavy-load door machines.
For example, chinese patent literature discloses an "automatic door" with an authorized bulletin number CN201605942U, which includes a motor, a rail, a door leaf, a hanger, and rollers disposed on the hanger to roll along the rail. The upper end of the door leaf is connected with the hanger. The device also comprises a speed reducing mechanism and a belt transmission mechanism, wherein the speed reducing mechanism is connected with the motor, the speed reducing mechanism is installed in the guide rail, the belt transmission mechanism is connected with the speed reducing mechanism, and the belt transmission mechanism is installed in the guide rail. The hanger is connected with the belt transmission mechanism. The automatic door has relatively low production cost, is suitable for both the occasion of installing one door leaf and the occasion of installing two door leaves, and has wider application range. Because the motor drives the automatic door to move through the belt transmission mechanism, the problems of low starting speed, high abrasion and short service life still exist.
Disclosure of Invention
The utility model aims to solve the problems of low starting speed, high abrasion and short service life in the prior art, and provides the magnetic suspension linear motor which has a compact and high overall structure, is driven by using two-side suspension floating magnetic force and reduces the friction force in the driving process.
The utility model is realized by the following technical scheme: the utility model provides a magnetic suspension linear electric motor, includes the outer track of magnetic suspension, the activity is provided with the outer track subassembly of magnetic suspension on the outer track of magnetic suspension, the outer track sideslip of magnetic suspension is followed to the outer track subassembly of magnetic suspension, magnetic suspension floating track subassembly both sides are provided with the bearing assembly pulley, are provided with on the outer track of magnetic suspension with bearing assembly pulley complex spout, magnetic suspension floating track subassembly bottom is provided with the mobile body assembly, magnetic suspension floating track subassembly upper portion both sides symmetry is provided with the permanent magnet group, the position is provided with the stator driving motor subassembly that can produce the variation magnetic field under corresponding permanent magnet group on the outer track of magnetic suspension.
In order to further optimize the utility model, the following technical scheme can be preferably selected:
preferably, the stator driving motor assembly comprises a stator framework, a silicon steel sheet assembly, a coil assembly and a Hall sensor, wherein the stator framework is provided with a mounting groove for mounting the Hall sensor and the silicon steel sheet assembly, the silicon steel sheet assembly is arranged in the mounting groove, mounting teeth are uniformly distributed on the silicon steel sheet assembly along the transverse direction of the moving body, and the coil assembly is sequentially sleeved on the mounting teeth.
Preferably, the coil assembly comprises a coil skeleton, and a coil is wound on the coil skeleton.
Preferably, the silicon steel sheet assembly comprises a plurality of silicon steel sheet units spliced with each other, and dovetail grooves and dovetail protrusions are respectively arranged at two ends of each two adjacent silicon steel sheet units.
Preferably, the silicon steel sheet unit comprises a plurality of silicon steel sheets stacked mutually, the silicon steel sheets are E-shaped, and a plurality of arch areas convenient to stack are arranged on the surface of the silicon steel sheets.
Preferably, the magnetic suspension floating rail assembly comprises a T-shaped movable rail body, the permanent magnet groups are arranged at the lower end surface positions of two sides of the top of the movable rail body, the bearing pulley blocks are arranged at the two sides of the lower part of the movable rail body, and the stator driving motor assembly is arranged at the position between the corresponding permanent magnet groups and the bearing pulley blocks on the magnetic suspension outer rail.
Preferably, the fixed iron plate is arranged at the position of the movable rail body corresponding to the permanent magnet group, a first clamping groove is formed in the top of the movable rail body along the length direction, the fixed iron plate is arranged in the first clamping groove, the permanent magnet group is adsorbed and arranged on the outer surface of the fixed iron plate, and the permanent magnet group comprises permanent magnet blocks which are arranged in a N, S staggered mode.
Preferably, the second clamping groove for installing the bearing pulley block is formed in the two sides of the movable rail body along the length direction, the bearing pulley block comprises a fixed plate embedded in the clamping groove, and a pulley is rotatably installed on the outer side wall of the fixed plate.
The utility model has the following effects:
1. the silicon steel sheet assembly comprises a plurality of silicon steel sheet units spliced with each other, wherein dovetail grooves and dovetail-shaped protrusions are respectively arranged at two ends of two adjacent silicon steel sheet units, each silicon steel sheet unit comprises a plurality of silicon steel sheets stacked with each other, each silicon steel sheet is E-shaped, a plurality of arch areas convenient to stack are arranged on the surface of each silicon steel sheet, and the silicon steel sheet assembly with special splicing design is utilized to facilitate installation and later maintenance and replacement.
2. According to the technical scheme, all parts of the movable rail body are installed by adopting the clamping groove combined bolts with the characteristics, so that the parts are convenient to assemble, disassemble and maintain, and the overall structural stability is high.
Drawings
Fig. 1 is a schematic diagram of a first structure of a magnetic levitation linear motor according to embodiment 1;
fig. 2 is a schematic diagram of a second structure of the magnetic levitation linear motor in embodiment 1;
FIG. 3 is a schematic diagram of the overall structure of a stator drive motor assembly;
FIG. 4 is a schematic view of the overall structure of the silicon steel sheet assembly;
FIG. 5 is a schematic structural view of a silicon steel sheet;
FIG. 6 is a schematic perspective view of a magnetically levitated track assembly;
FIG. 7 is a schematic side view of a magnetically levitated track assembly
Fig. 8 is an enlarged schematic view of the structure at a.
Fig. 9 is a schematic diagram of the overall structure of the magnetic levitation linear motor in embodiment 2;
FIG. 10 is a schematic perspective view of a magnetically levitated track assembly according to embodiment 2;
wherein: 1-cleaning a brush; 2-fixing parts; 3-locking plate; 4-ferromagnetic metal seal plates; 5-magnetic suspension outer rail; 6-stator drive motor assembly; 7-a magnetically levitated track assembly; 8-a chute; 9-bearing pulley blocks; 10-a stator framework; 11-a silicon steel sheet assembly; a 12-coil assembly; 13-hall sensor; 14-a silicon steel sheet unit; 15-a coil former; 16-mounting teeth; 17-arching areas; 18-a dovetail groove; 19-dovetail-shaped protrusions; 20-silicon steel sheets; 21-a movable rail body; 22-permanent magnet groups, 23-fixed iron plates, 24-first clamping grooves, 25-permanent magnet blocks, 26-second clamping grooves, 27-fixed plates and 28-pulleys.
Detailed Description
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
as shown in fig. 1-8, a magnetic suspension linear motor comprises a magnetic suspension outer rail 5, wherein a magnetic suspension floating rail assembly 7 is movably installed on the magnetic suspension outer rail 5, the magnetic suspension floating rail assembly 7 transversely moves along the magnetic suspension outer rail, bearing pulley blocks 9 are installed on two sides of the magnetic suspension floating rail assembly, a chute 8 matched with the bearing pulley blocks is installed on the magnetic suspension outer rail, a moving body assembly is installed at the bottom of the magnetic suspension floating rail assembly, a permanent magnet group 22 is installed at the middle position of the upper part of the magnetic suspension floating rail assembly, a stator driving motor assembly 6 capable of generating a variable magnetic field is installed right above the position corresponding to the permanent magnet group on the magnetic suspension outer rail, and the balance of stress is ensured by designing two groups of stator driving motor assemblies 6.
The stator driving motor assembly 6 comprises a stator framework 10, a silicon steel sheet assembly 11, a coil assembly 12 and a Hall sensor 13, wherein the stator framework 10 is provided with a mounting groove for mounting the Hall sensor and the silicon steel sheet assembly, the silicon steel sheet assembly is mounted in the mounting groove, mounting teeth 16 are uniformly distributed on the silicon steel sheet assembly along the transverse moving direction of a mounting moving body, and the coil assembly is sequentially sleeved on the mounting teeth 16; the coil component comprises a coil framework 15, and a coil is wound on the coil framework; the silicon steel sheet assembly 11 comprises a plurality of silicon steel sheet units 14 which are spliced with each other, and dovetail grooves 18 and dovetail protrusions 19 are respectively arranged at two ends of each two adjacent silicon steel sheet units 14; the silicon steel sheet unit comprises a plurality of silicon steel sheets 20 which are mutually stacked, the silicon steel sheets 20 are E-shaped, a plurality of arch areas 17 which are convenient to stack are arranged on the surface of each silicon steel sheet, the arch areas are bent by adopting the materials of the silicon steel sheets, and the silicon steel sheet assembly with special split design is utilized, so that the installation and the later maintenance and replacement are convenient.
The magnetic suspension floating rail assembly comprises a T-shaped movable rail body 21, permanent magnet groups 23 are arranged at the lower end surface positions of the two sides of the top of the movable rail body, bearing pulley blocks are arranged at the two sides of the lower part of the movable rail body, and a stator driving motor assembly is arranged on the magnetic suspension outer rail and corresponds to the positions between the permanent magnet groups and the bearing pulley blocks; the movable rail body adopts an integrally formed cavity aluminum profile, so that the movable rail body is convenient to form on one hand, and meanwhile, the movable rail body is light in weight and high in strength due to the material characteristic. The fixed iron plate 23 is arranged on the movable rail body corresponding to the permanent magnet group 22, the first clamping groove 24 is formed in the top of the movable rail body along the length direction, the fixed iron plate is arranged in the first clamping groove, the permanent magnet group is adsorbed and arranged on the outer surface of the fixed iron plate, the permanent magnet group comprises permanent magnet blocks 25 which are N, S staggered, and the movable rail body can move in cooperation with an external changing magnetic field; the magnet sheet is fixed by utilizing the specific fixed iron plate, so that the installation and maintenance are convenient. The locking plate 3 is installed to one end of the movable rail body, and in this embodiment, the locking plate is L-shaped, and the ferromagnetic metal sealing plate is installed at the opposite end of the movable rail body, and the movable rail body can be positioned by utilizing the ferromagnetic metal sealing plate 4 to match with an external magnet, so that the movable rail body is prevented from being rocked by slight external force.
The two sides of the movable rail body are provided with second clamping grooves 26 for installing bearing pulley blocks along the length direction, the bearing pulley blocks comprise fixing plates 27 embedded in the second clamping grooves, and pulleys 28 are rotatably installed on the outer side walls of the fixing plates. The pulley block is characterized in that a cleaning brush 1 is arranged at the position, corresponding to the pulley, on the movable rail body, the cleaning brush 1 is arranged opposite to a slideway surface of the pulley block, the cleaning brush is detachably arranged in a second clamping groove through a fixing piece 2, a plurality of groups of pulley blocks are arranged side by side along the length direction, one cleaning brush is arranged at the position, corresponding to the two ends of the movable rail body, of the cleaning brush, the cleaning brush is used for cleaning, the pulley block is prevented from being blocked by foreign matters in the sliding process, and the service life of the whole product is prolonged. In this embodiment, the first slot and the second slot are both T-shaped through slots. According to the technical scheme, all parts of the movable rail body are installed by adopting the clamping groove combined bolts with the characteristics, so that the parts are convenient to assemble, disassemble and maintain, and the overall structural stability is high.
Example 2:
as shown in fig. 9 and 10, the difference between the present embodiment and embodiment 1 is that the arrangement positions of the permanent magnet groups and the stator driving motor assembly are different, in this embodiment, the permanent magnet groups are arranged at the lower end surfaces of the two sides of the upper portion of the magnetic levitation floating rail assembly, and the stator driving motor assembly has two groups of designs on the magnetic levitation outer rail corresponding to the positions under the permanent magnet groups.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a magnetic suspension linear electric motor which characterized in that: the magnetic suspension outer rail comprises a magnetic suspension outer rail, a magnetic suspension floating rail component is movably arranged on the magnetic suspension outer rail, the magnetic suspension floating rail component transversely moves along the magnetic suspension outer rail, bearing pulley blocks are arranged on two sides of the magnetic suspension floating rail component, sliding grooves matched with the bearing pulley blocks are formed in the magnetic suspension outer rail, a moving body assembly is arranged at the bottom of the magnetic suspension floating rail component, a permanent magnet group is arranged on the magnetic suspension floating rail component, and a stator driving motor component capable of generating a variable magnetic field is relatively arranged on the magnetic suspension outer rail corresponding to the position of the permanent magnet group.
2. A magnetic levitation linear motor according to claim 1, wherein: the stator driving motor assembly comprises a stator framework, a silicon steel sheet assembly, a coil assembly and a Hall sensor, wherein the stator framework is provided with a mounting groove for mounting the Hall sensor and the silicon steel sheet assembly, the silicon steel sheet assembly is arranged in the mounting groove, mounting teeth are uniformly distributed on the silicon steel sheet assembly along the transverse moving direction of the moving body, and the coil assembly is sequentially sleeved on the mounting teeth.
3. A magnetic levitation linear motor according to claim 2, wherein: the coil assembly comprises a coil framework, and a coil is wound on the coil framework.
4. A magnetic levitation linear motor according to claim 2, wherein:
the silicon steel sheet assembly comprises a plurality of silicon steel sheet units which are mutually spliced, and dovetail grooves and dovetail protrusions are respectively arranged at two ends of each two adjacent silicon steel sheet units.
5. A magnetic levitation linear motor of claim 4, wherein: the silicon steel sheet unit comprises a plurality of silicon steel sheets which are mutually stacked, the silicon steel sheets are E-shaped, and a plurality of arch areas which are convenient to stack are arranged on the surface of each silicon steel sheet.
6. A magnetic levitation linear motor according to claim 2, wherein: the magnetic suspension floating rail assembly comprises a T-shaped movable rail body, the permanent magnet groups are arranged at the lower end face positions of two sides of the top of the movable rail body, the bearing pulley blocks are arranged at the two sides of the lower part of the movable rail body, and the stator driving motor assembly is arranged at the position between the corresponding permanent magnet groups and the bearing pulley blocks on the magnetic suspension outer rail.
7. A magnetic levitation linear motor of claim 6, wherein: the permanent magnet assembly comprises a movable rail body, wherein a fixed iron plate is arranged at a position, corresponding to the permanent magnet assembly, on the movable rail body, a first clamping groove is formed in the top of the movable rail body along the length direction, the fixed iron plate is arranged in the first clamping groove, the permanent magnet assembly is adsorbed on the outer surface of the fixed iron plate, and the permanent magnet assembly comprises permanent magnet blocks which are arranged in a N, S staggered mode.
8. A magnetic levitation linear motor of claim 7, wherein: the second clamping grooves for installing the bearing pulley blocks are formed in the two sides of the movable rail body along the length direction, the bearing pulley blocks comprise fixing plates embedded in the clamping grooves, and pulleys are rotatably installed on the outer side walls of the fixing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321724058.1U CN220122798U (en) | 2023-07-03 | 2023-07-03 | Magnetic suspension linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321724058.1U CN220122798U (en) | 2023-07-03 | 2023-07-03 | Magnetic suspension linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220122798U true CN220122798U (en) | 2023-12-01 |
Family
ID=88890513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321724058.1U Active CN220122798U (en) | 2023-07-03 | 2023-07-03 | Magnetic suspension linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220122798U (en) |
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2023
- 2023-07-03 CN CN202321724058.1U patent/CN220122798U/en active Active
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