阅读说明：本技术 一种内外偏心弧式永磁滑差传动的永磁体结构装置 (Permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission ) 是由 邹政耀 于 2020-06-08 设计创作，主要内容包括：本发明提供一种内外偏心弧式永磁滑差传动的永磁体结构装置,该内外偏心弧式永磁滑差传动的永磁体结构装置包括第一固定盘和第二固定盘,第一固定盘包括扇形空间和第一环形空间,该内外偏心弧式永磁滑差传动的永磁体结构装置装配时,第一扇形永磁体和第二扇形永磁体固定安装于扇形空间中,第一异形永磁体和第二异形永磁体安装于异形空间中,永磁传动时,永磁传动输入端和永磁传动输出端相对转角发生变化时,由于第一扇形永磁体和第二扇形永磁体的磁极方向相反,第一异形永磁体和第二异形永磁体的磁极方向相反,磁性相吸,永磁传动时利用异形永磁体的特点,在较大相对转角范围内实现平稳的传动磁扭矩的功能。(The invention provides an internal and external eccentric arc type permanent magnet slip transmission permanent magnet structure device, which comprises a first fixed disk and a second fixed disk, wherein the first fixed disk comprises a fan-shaped space and a first annular space, when the internal and external eccentric arc type permanent magnet slip transmission permanent magnet structure device is assembled, the first fan-shaped permanent magnet and the second fan-shaped permanent magnet are fixedly arranged in the fan-shaped space, and a first special-shaped permanent magnet and a second special-shaped permanent magnet are arranged in the special-shaped space, when the relative rotation angle of a permanent magnet transmission input end and a permanent magnet transmission output end is changed during permanent magnet transmission, because the magnetic pole directions of the first fan-shaped permanent magnet and the second fan-shaped permanent magnet are opposite, the magnetic pole directions of the first special-shaped permanent magnet and the second special-shaped permanent magnet are opposite, the magnetism is attracted, and the characteristic of the special-shaped permanent magnet is utilized, the function of stably transmitting magnetic torque is realized in a large relative rotation angle range.)

1. The utility model provides an inside and outside eccentric arc formula permanent magnet slip driven permanent magnet constructional device which characterized in that: the permanent magnet structure device for the inner and outer eccentric arc type permanent magnet slip transmission comprises a first fixed disk (7) and a second fixed disk (10), wherein the first fixed disk (7) comprises a fan-shaped space (8) and a first annular space (9), the second fixed disk (10) comprises a second annular space (11) and a special-shaped space (12), a first annular silicon steel sheet (1) is installed in the first fixed disk (7), and a second annular silicon steel sheet (5) is installed in the second fixed disk (10);

the magnetic flux-cored wire is characterized in that a first fan-shaped permanent magnet (2) and a second fan-shaped permanent magnet (3) are arranged on the end face of a first annular silicon steel sheet (1), the magnetic pole directions of the first fan-shaped permanent magnet (2) and the second fan-shaped permanent magnet (3) are opposite, a first special-shaped permanent magnet (4) and a second special-shaped permanent magnet (6) are arranged on the end face of a second annular silicon steel sheet (5), the magnetic pole directions of the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are opposite, the first fan-shaped permanent magnet (2), the second fan-shaped permanent magnet (3), the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are axially magnetized, the first fan-shaped permanent magnet (2) and the second fan-shaped permanent magnet (3) are fixedly arranged in a fan-shaped space (8), and the first special-shaped permanent magnet (4), the first fan-shaped permanent magnet (2), the second fan-shaped permanent magnet (3), the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are coaxially arranged at intervals.

2. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 1, characterized in that: the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are provided with outer eccentric circular arcs (14) with the same parameters, the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are provided with angular bisectors (20) of central angles, the rotating centers of the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are first circle centers O (18), the rotating centers pass through the first circle centers O (18) and are perpendicular to offset coordinate lines (21) of the angular bisectors (20), and the second circle centers O of the outer eccentric circular arcs (14) of the first special-shaped permanent magnet (4)₁(19) On the offset coordinate line (21), the second center O₁(19) Has a first offset from the first center O (18)A distance (16).

3. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 2, characterized in that: the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are provided with inner eccentric arcs (13) with the same parameters, and the third circle center O of the inner eccentric arcs (13)₂(17) On the offset coordinate line (21), the third center of circle O₂(17) And a second offset distance (15) from the first center O (18).

4. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 1, characterized in that: the first fan-shaped permanent magnet (2) and the second fan-shaped permanent magnet (3) are located on the same plane, the first special-shaped permanent magnet (4) and the second special-shaped permanent magnet (6) are located on the same plane, and a gap between the first fan-shaped permanent magnet (2) and the first special-shaped permanent magnet (4) is 0.5mm-5 mm.

5. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 1, characterized in that: the outer diameter of the first annular silicon steel sheet (1) is 0-10 mm larger than the outer diameters of the first fan-shaped permanent magnet (2) and the second fan-shaped permanent magnet (3).

6. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 1, characterized in that: the inner diameter of the first annular silicon steel sheet (1) is 0-5 mm smaller than the inner diameters of the first fan-shaped permanent magnet (2) and the second fan-shaped permanent magnet (3).

7. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 1, characterized in that: the thickness of the second annular silicon steel sheet (5) is 0.9-1.1 times of the thickness of the first annular silicon steel sheet (1), the outer diameter of the second annular silicon steel sheet (5) is 0.9-1.2 times of the outer diameter of the first annular silicon steel sheet (1), and the inner diameter of the second annular silicon steel sheet (5) is 0.9-1.1 times of the inner diameter of the first annular silicon steel sheet (1).

8. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 2, characterized in that: the first offset distance (16) is 0.1-20 mm.

9. The permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission according to claim 3, characterized in that: the second offset distance (15) is 2-30 mm.

Technical Field

The invention belongs to the field of matching equipment of permanent magnet slip transmission mechanisms, and particularly relates to an internal and external eccentric arc permanent magnet slip transmission permanent magnet structure device.

Background

The permanent magnet transmission device is provided with a permanent magnet gear, a permanent magnet coupler and permanent magnet eddy current transmission, and only the permanent magnet eddy current transmission has stepless transmission characteristics in the structural forms of the permanent magnet transmission devices, but the heating value is larger; when the relative rotation angle changes, the transmission magnetic torque value of the permanent magnet coupler changes greatly, and the use requirement cannot be met on some occasions needing to keep the transmission magnetic torque value stable; therefore, the permanent magnet transmission device has the characteristics that two fan-shaped permanent magnets are arranged at the input end of the permanent magnet transmission at large intervals, two special-shaped permanent magnets are arranged at the output end, and when the relative rotation angle of the input end and the output end changes, the stable magnetic torque-relative rotation angle is realized.

Disclosure of Invention

The invention aims to provide a permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a permanent magnet structure device driven by internal and external eccentric arc type permanent magnet slip comprises a first fixed disk and a second fixed disk, wherein the first fixed disk comprises a fan-shaped space and a first annular space;

first fan-shaped permanent magnet and second fan-shaped permanent magnet have been arranged in first annular silicon steel sheet terminal surface installation, the magnetic pole direction of first fan-shaped permanent magnet and second fan-shaped permanent magnet is opposite, first special-shaped permanent magnet and second special-shaped permanent magnet have been arranged in second annular silicon steel sheet terminal surface installation, the magnetic pole direction of first special-shaped permanent magnet and second special-shaped permanent magnet is opposite, first fan-shaped permanent magnet, second fan-shaped permanent magnet, first special-shaped permanent magnet and second special-shaped permanent magnet are the axial and magnetize, first fan-shaped permanent magnet and second fan-shaped permanent magnet fixed mounting are in fan-shaped space, first special-shaped permanent magnet and second special-shaped permanent magnet install in special-shaped space, first fan-shaped permanent magnet, second fan-shaped permanent magnet, first special-shaped permanent magnet and second special-shaped permanent magnet are coaxial interval installation for first fan-shaped permanent magnet and second fan-shaped permanent magnet are located for first fan-shaped permanent magnet and the fan-shaped space, first dysmorphism permanent magnet and second dysmorphism permanent magnet are located the opposite sex space, first fan-shaped permanent magnet and the interval installation of second fan-shaped permanent magnet, first dysmorphism permanent magnet and the interval installation of second special-shaped permanent magnet, first special-shaped permanent magnet part sets up between first fan-shaped permanent magnet and the second fan-shaped permanent magnet and first special-shaped permanent magnet contacts on the space with first fan-shaped permanent magnet and second fan-shaped permanent magnet respectively, and second special-shaped permanent magnet part also is located between first fan-shaped permanent magnet and the second fan-shaped permanent magnet, mean that second special-shaped permanent magnet contacts on the space with first fan-shaped permanent magnet and second fan-shaped permanent magnet respectively.

As optimization, the first special-shaped permanent magnet and the second special-shaped permanent magnet have outer eccentric circular arcs with the same parameters, the first special-shaped permanent magnet and the second special-shaped permanent magnet have angular bisectors of central angles, the rotating centers of the first special-shaped permanent magnet and the second special-shaped permanent magnet are a first circle center O, an offset coordinate line of the first circle center O and perpendicular to the angular bisectors, and a second circle center O of the outer eccentric circular arc of the first special-shaped permanent magnet₁On the offset coordinate line, the second center of circle O₁And a first offset distance is formed between the first circle center O and the first circle center.

As optimization, the first special-shaped permanent magnet and the second special-shaped permanent magnet have inner eccentric arcs with the same parameters, and the third circle center O of the inner eccentric arcs₂On the offset coordinate line, the third center of circle O₂And a second offset distance is formed between the first circle center O and the second circle center.

Preferably, the first fan-shaped permanent magnet and the second fan-shaped permanent magnet are positioned on the same plane, the first special-shaped permanent magnet and the second special-shaped permanent magnet are positioned on the same plane, and the gap between the first fan-shaped permanent magnet and the first special-shaped permanent magnet is 0.5-5 mm.

Preferably, the outer diameter of the first annular silicon steel sheet is 0-10 mm larger than the outer diameters of the first fan-shaped permanent magnet and the second fan-shaped permanent magnet.

Preferably, the inner diameter of the first annular silicon steel sheet is 0-5 mm smaller than the inner diameters of the first fan-shaped permanent magnet and the second fan-shaped permanent magnet.

Preferably, the thickness of the second annular silicon steel sheet is 0.9-1.1 times of that of the first annular silicon steel sheet, the outer diameter of the second annular silicon steel sheet is 0.9-1.2 times of that of the first annular silicon steel sheet, and the inner diameter of the second annular silicon steel sheet is 0.9-1.1 times of that of the first annular silicon steel sheet.

Preferably, the first offset distance is 0.1-20 mm.

Preferably, the second offset distance is 2-30 mm.

In the invention, if the control mechanism is additionally arranged, and the circumferential speed change motion is carried out at the output end by utilizing the characteristic of stable magnetic torque-relative rotation angle of the mechanism, the permanent magnet transmission mechanism can obtain the stepless speed change characteristic and the transmitted magnetic torque is kept stable.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the first fan-shaped permanent magnet and the second fan-shaped permanent magnet are arranged on the end surface of the first annular silicon steel sheet, the first special-shaped permanent magnet and the second special-shaped permanent magnet are arranged on the end surface of the second annular silicon steel sheet, the first fan-shaped permanent magnet and the second fan-shaped permanent magnet are arranged at the input end of the permanent magnet transmission, the first special-shaped permanent magnet and the second special-shaped permanent magnet are arranged at the output end of the permanent magnet transmission, when the relative rotation angle of the input end and the output end changes, the characteristics of stable magnetic torque and relative rotation angle are provided, and the characteristics of the special-shaped permanent magnets are utilized during the permanent magnet transmission.

Drawings

Fig. 1 is a schematic structural view of a first annular silicon steel sheet and a second annular silicon steel sheet according to the present invention;

FIG. 2 is a schematic structural view of a second annular silicon steel sheet according to the present invention;

FIG. 3 is a schematic structural view of a first annular silicon steel sheet according to the present invention;

FIG. 4 is a schematic structural view of a first fixing plate according to the present invention;

FIG. 5 is a schematic structural view of a second fixing plate according to the present invention;

fig. 6 is a schematic diagram of the principle of the permanent magnet structure device for internal and external eccentric arc type permanent magnet slip transmission of the present invention.

In the figure: 1-a first annular silicon steel sheet, 2-a first fan-shaped permanent magnet, 3-a second fan-shaped permanent magnet, 4-a first special-shaped permanent magnet, 5-a second annular silicon steel sheet, 6-a second special-shaped permanent magnet, 7-a first fixed disk, 8-a fan-shaped space, 9-a first annular space, 10-a second fixed disk, 11-a second annular space, 12-a special-shaped space, 13-an inner eccentric arc, 14-an outer eccentric arc, 15-a second offset distance, 16-a first offset distance, 17-a third center O2, 18-a first center O, 19-a second center O1, 20-an angular bisector and 21-an offset coordinate line.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-6, an inner and outer eccentric arc type permanent magnet slip transmission permanent magnet structure device includes a first fixed disk 7 and a second fixed disk 10, the first fixed disk 7 includes a sector space 8 and a first annular space 9, the second fixed disk 10 includes a second annular space 11 and a special-shaped space 12, a first annular silicon steel sheet 1 is installed in the first fixed disk 7, and a second annular silicon steel sheet 5 is installed in the second fixed disk 10;

the end face of the first annular silicon steel sheet 1 is provided with a first fan-shaped permanent magnet 2 and a second fan-shaped permanent magnet 3, the magnetic pole directions of the first fan-shaped permanent magnet 2 and the second fan-shaped permanent magnet 3 are opposite, the end face of the second annular silicon steel sheet 5 is provided with a first special-shaped permanent magnet 4 and a second special-shaped permanent magnet 6, the magnetic pole directions of the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 are opposite, the first fan-shaped permanent magnet 2, the second fan-shaped permanent magnet 3, the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 are axially magnetized, the first fan-shaped permanent magnet 2 and the second fan-shaped permanent magnet 3, the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 are arranged in the special-shaped space 12, and the first fan-shaped permanent magnet 2, the second fan-shaped permanent magnet 3, the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 are coaxially arranged at intervals.

The first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 have outer eccentric arcs 14 with the same parameters, and the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet6 an angular bisector 20 with a central angle, the centers of rotation of the first and second shaped permanent magnets 4, 6 being a first center O18, an offset coordinate line 21 passing through the first center O18 and perpendicular to the angular bisector 20, and a second center O of the outer eccentric arc 14 of the first shaped permanent magnet 4₁(19) On the offset coordinate line 21, the second center O₁(19) A first offset distance 16 from first circle center O18.

The first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 have an inner eccentric arc 13 with the same parameters, and a third circle center O of the inner eccentric arc 13₂(17) On the offset coordinate line 21, the third center of circle O₂(17) And a second offset distance 15 from first circle center O18.

The first fan-shaped permanent magnet 2 and the second fan-shaped permanent magnet 3 are positioned on the same plane, the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 are positioned on the same plane, and the gap between the first fan-shaped permanent magnet 2 and the first special-shaped permanent magnet 4 is 0.5mm-5 mm.

The outer diameter of the first annular silicon steel sheet 1 is 0mm-10mm larger than the outer diameters of the first fan-shaped permanent magnet 2 and the second fan-shaped permanent magnet 3.

The inner diameter of the first annular silicon steel sheet 1 is 0-5 mm smaller than the inner diameters of the first fan-shaped permanent magnet 2 and the second fan-shaped permanent magnet 3.

The thickness of the second annular silicon steel sheet 5 is 0.9-1.1 times of the thickness of the first annular silicon steel sheet 1, the outer diameter of the second annular silicon steel sheet 5 is 0.9-1.2 times of the outer diameter of the first annular silicon steel sheet 1, and the inner diameter of the second annular silicon steel sheet 5 is 0.9-1.1 times of the inner diameter of the first annular silicon steel sheet 1.

The first offset distance 16 is 0.1-20 mm.

The second offset distance 15 is 2-30 mm.

The working principle is as follows: a permanent magnet structure device driven by internal and external eccentric arc type permanent magnet slip comprises a first fixed disk 7 and a second fixed disk 10, wherein the first fixed disk 7 comprises a fan-shaped space 8 and a first annular space 9, when the permanent magnet structure device driven by the internal and external eccentric arc type permanent magnet slip is assembled, a first fan-shaped permanent magnet 2 and a second fan-shaped permanent magnet 3 are fixedly arranged in the fan-shaped space 8, a first special-shaped permanent magnet 4 and a second special-shaped permanent magnet 6 are arranged in a special-shaped space 12, when the relative rotation angle of a permanent magnet transmission input end and a permanent magnet transmission output end is changed during permanent magnet transmission, because the magnetic pole directions of the first fan-shaped permanent magnet 2 and the second fan-shaped permanent magnet 3 are opposite, the magnetic pole directions of the first special-shaped permanent magnet 4 and the second special-shaped permanent magnet 6 are opposite, the magnetism is attracted, and the characteristics of the special-shaped permanent magnets are utilized, the function of stably transmitting magnetic torque is realized in a large relative rotation angle range.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, and it is intended that the described embodiments be construed as merely a subset of the embodiments of the invention and not as a whole. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.