CN102647049B - Permanent magnetic gear transmission device from rotary transmission to linear transmission - Google Patents
Permanent magnetic gear transmission device from rotary transmission to linear transmission Download PDFInfo
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- CN102647049B CN102647049B CN201210119103.0A CN201210119103A CN102647049B CN 102647049 B CN102647049 B CN 102647049B CN 201210119103 A CN201210119103 A CN 201210119103A CN 102647049 B CN102647049 B CN 102647049B
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- rotor
- magnetic pole
- rotor magnetic
- broach
- cylinder
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Abstract
The invention belongs to the technical field of mechatronics engineering, and provides a non-contact permanent magnetic gear transmission device from rotary transmission to linear transmission by referring to the principle of a reluctance motor and by reasonably combining a permanent magnet and a ferromagnetic material based on the reluctance effect property. The non-contact permanent magnetic gear transmission device is high in efficiency, small in vibration, easy in maintenance and long in service life, and comprises a drive mechanism and a driven mechanism, wherein the drive mechanism is a rotary rotor; the driven mechanism is a linear transmission cylinder; the rotary rotor and the linear transmission cylinder form a coaxial nested structure; the rotary rotor consists of a rotor shaft, a rotor base and rotor poles; the rotor poles are mounted on the rotor base integrated with the rotor shaft by pairs; at least one layer permanent magnet structure is inlaid on the rotor base longitudinally; each layer of the permanent magnet structure is at least one pair of rotor poles; the linear transmission cylinder is a cylinder made of the ferromagnetic material; and a comb structure is arranged on the inner layer of the cylinder.
Description
Technical field
The invention belongs to electromechanical engineering technical field, particularly relate to a kind of straight-line permanent magnet gear transmission device that rotates to.
Background technology
At present, the existing transmission that rotates to straight line is substantially all mechanical direct contact type, and shortcoming is that efficiency is low, and noise is large, needs lubricated, fragile etc.And existing permanent magnet gear structure is coaxial or space angled transmission, for rotating to Linear transmission temporarily without implementation.
Summary of the invention
For mechanical direct contact type in prior art, rotate to Linear transmission efficiency low, noise is large, need the shortcomings such as lubricated, fragile, the present invention utilizes magnetic resistance action characteristic, reference magnetic resistors Principle of Electric Engine, utilize the reasonable combination of permanent magnet and ferrimagnet, provide a kind of efficiency high, vibrate little, easy care, the non-contact rotary of long service life is to straight-line permanent magnet gear transmission device.
To achieve these goals, the present invention adopts following technical scheme, a kind ofly rotate to straight-line permanent magnet gear transmission device, comprise driving mechanism and follower, described driving mechanism is rotor, described follower is Linear transmission cylinder, and rotor and Linear transmission cylinder are coaxial nesting type structure; Described rotor is comprised of armature spindle, rotor pedestal and rotor magnetic pole, and rotor magnetic pole mounted in pairs, on the rotor pedestal being integrated with armature spindle, is longitudinally at least inlayed one deck permanent-magnet structure on rotor pedestal, and every layer of permanent-magnet structure is at least a pair of rotor magnetic pole; The cylinder that described Linear transmission cylinder is ferromagnetic material, cylinder internal layer is provided with comb structure.
The pole span α of described rotor magnetic pole
spmeet following formula:
In formula, α
spfor the pole span of rotor magnetic pole,
P
splogarithm for rotor magnetic pole.
The broach of described comb structure distributes by row, wide 0.7～1.5 times of rotor magnetic pole that the broach facewidth is driving mechanism, and the number of every row broach is the integral multiple of rotor magnetic pole logarithm; Between colleague's adjacent fingers at a distance of 3.5～7.5 broach facewidth, between adjacent fingers row, longitudinal pitch is the 2/3 broach facewidth, between adjacent fingers row, horizontal spacing is the corresponding angle of 0.5～1.5 broach facewidth, and described comb structure is covered with the cylinder internal layer of Linear transmission cylinder by above-mentioned rule.
Operation principle of the present invention is reluctance motor principle, and during work, by magnetic resistance effect, the rotor of rotation produces pulling force radially to Linear transmission cylinder, makes the straight reciprocating motion of Linear transmission cylinder, reaches the object that rotates to straight line transmitting torque.
Beneficial effect of the present invention:
Of the present inventionly rotate to straight-line permanent magnet gear transmission device and adopt contactless structure, therefore little without wearing and tearing, noise, do not need to lubricate, thereby the efficiency that has overcome mechanical direct contact type transmission device is low, noise is large, needs are lubricated, flimsy shortcoming.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the relative position schematic diagram of comb structure and rotor magnetic pole while longitudinally inlaying a pair of rotor magnetic pole of individual layer on rotor pedestal;
When a is 0 ° of angle of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
After b is 60 ° of angles of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
After c is rotor magnetic pole rotation hexagonal angle, the relative position schematic diagram of comb structure and rotor magnetic pole;
Fig. 3 is the relative position schematic diagram of comb structure and rotor magnetic pole while longitudinally inlaying two pairs of rotor magnetic poles of individual layer on rotor pedestal;
When a is 0 ° of angle of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
After b is 30 ° of angles of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
After c is 60 ° of angles of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
Fig. 4 is the relative position schematic diagram of longitudinally inlaying double-deck four comb structures during to (two pairs every layer) rotor magnetic pole and rotor magnetic pole on rotor pedestal;
When a is 0 ° of angle of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
After b is 30 ° of angles of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
After c is 60 ° of angles of rotor magnetic pole rotation, the relative position schematic diagram of comb structure and rotor magnetic pole;
In Fig. 1,1-Linear transmission cylinder, 2-comb structure, 3-armature spindle, 4-rotor pedestal, 5-rotor, 6-rotor magnetic pole.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, rotate to a straight-line permanent magnet gear transmission device, comprise driving mechanism and follower, described driving mechanism is rotor 5, described follower is Linear transmission cylinder 1, and rotor 5 and Linear transmission cylinder 1 are coaxial nesting type structure; Described rotor 5 is comprised of armature spindle 3, rotor pedestal 4 and rotor magnetic pole 6, rotor magnetic pole 6 mounted in pairs are on the rotor pedestal 4 being integrated with armature spindle 3, on rotor pedestal 4, longitudinally at least inlay one deck permanent-magnet structure, every layer of permanent-magnet structure is at least a pair of rotor magnetic pole 6; The cylinder that described Linear transmission cylinder 1 is ferromagnetic material, cylinder internal layer is provided with comb structure 2.
The pole span α of described rotor magnetic pole
spmeet following formula:
In formula, α
spfor the pole span of rotor magnetic pole,
P
splogarithm for rotor magnetic pole.
As shown in Fig. 2～4, the broach of described comb structure distributes by row, wide 0.7～1.5 times of rotor magnetic pole that the broach facewidth is driving mechanism, and the number of every row broach is the integral multiple of rotor magnetic pole logarithm; Between colleague's adjacent fingers at a distance of 3.5～7.5 broach facewidth, between adjacent fingers row, longitudinal pitch is the 2/3 broach facewidth, between adjacent fingers row, horizontal spacing is the corresponding angle of 0.5～1.5 broach facewidth, and described comb structure is covered with the cylinder internal layer of Linear transmission cylinder by above-mentioned rule.
The different rotor magnetic pole of driving mechanism of the present invention arranges the different broach of corresponding follower and arranges, and its design key is the configuration principle of different rotor magnetic pole and comb structure.
The relative position of comb structure and rotor magnetic pole while longitudinally inlaying a pair of rotor magnetic pole of individual layer on rotor pedestal, as shown in Figure 2: when rotor is during in position, 0 ° of angle, the N utmost point, the S utmost point be corresponding tubular agent 30 ° and 180 ° of two broach respectively; When rotor rotates to behind 30 ° of angles, the N utmost point, the S utmost point be the broach teeth groove of corresponding 30 °～60 ° and 210 °～240 ° respectively; When rotor rotates to behind 60 ° of angles, the N utmost point, the S utmost point respectively corresponding 60 ° and 240 ° of two broach, now cylinder vertical direction moves down 2/3 broach facewidth; By that analogy, when rotor rotates to hexagonal angle, cylinder vertical direction moves down 2/3 broach facewidth again, forms the position of Fig. 2-c; While finally rotating to 180 ° of angles, just in time vertically move the distance of two broach facewidth.
The relative position of comb structure and rotor magnetic pole while longitudinally inlaying two pairs of rotor magnetic poles of individual layer on rotor pedestal, different with a pair of rotor magnetic pole of individual layer, as shown in Figure 3: when rotor is during in position, 0 ° of angle, the a pair of N utmost point, the S utmost point be corresponding tubular agent 30 ° and 180 ° of two broach respectively, and another is to the N utmost point, the S utmost point 90 ° and 270 ° two broach of corresponding cylinder respectively; When rotor rotates to behind 30 ° of angles, the N utmost point, the S utmost point be the broach teeth groove of corresponding 30 °～120 ° and 210 °～300 ° respectively; When rotor rotates to behind 60 ° of angles, the N utmost point, the S utmost point be the broach of corresponding 60 °～150 ° and 240 °～330 ° respectively, and now cylinder vertical direction moves down 2/3 broach facewidth; By that analogy, when rotor rotates to hexagonal angle, cylinder vertical direction moves down 2/3 broach facewidth again, forms the position of Fig. 3-c; While finally rotating to 180 ° of angles, just in time vertically move the distance of two broach facewidth.
The relative position of comb structure and rotor magnetic pole while longitudinally inlaying double-deck four pairs of rotor magnetic poles on rotor pedestal, as shown in Figure 4, the interior comb structure of cylinder that two pairs of rotor magnetic poles of itself and individual layer are corresponding is similar, same comb structure, same operational mode, the distance of a broach facewidth but the two-layer rotor magnetic pole of rotor is radially separated by.
Claims (2)
1. rotate to a straight-line permanent magnet gear transmission device, it is characterized in that comprising driving mechanism and follower, described driving mechanism is rotor, and described follower is Linear transmission cylinder, and rotor and Linear transmission cylinder are coaxial nesting type structure; Described rotor is comprised of armature spindle, rotor pedestal and rotor magnetic pole, and rotor magnetic pole mounted in pairs, on the rotor pedestal being integrated with armature spindle, is longitudinally at least inlayed one deck permanent-magnet structure on rotor pedestal, and every layer of permanent-magnet structure is at least a pair of rotor magnetic pole; The cylinder that described Linear transmission cylinder is ferromagnetic material, cylinder internal layer is provided with comb structure; The broach of described comb structure distributes by row, wide 0.7～1.5 times of rotor magnetic pole that the broach facewidth is driving mechanism, and the number of every row broach is the integral multiple of rotor magnetic pole logarithm; Between colleague's adjacent fingers at a distance of 3.5～7.5 broach facewidth, between adjacent fingers row, longitudinal pitch is the 2/3 broach facewidth, between adjacent fingers row, horizontal spacing is 0.5～1.5 broach facewidth, and described comb structure is covered with the cylinder internal layer of Linear transmission cylinder by above-mentioned rule.
2. a kind of straight-line permanent magnet gear transmission device that rotates to according to claim 1, is characterized in that the pole span α of described rotor magnetic pole
spmeet following formula:
In formula, α
spfor the pole span of rotor magnetic pole,
P
splogarithm for rotor magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119103.0A CN102647049B (en) | 2012-04-20 | 2012-04-20 | Permanent magnetic gear transmission device from rotary transmission to linear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210119103.0A CN102647049B (en) | 2012-04-20 | 2012-04-20 | Permanent magnetic gear transmission device from rotary transmission to linear transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102647049A CN102647049A (en) | 2012-08-22 |
| CN102647049B true CN102647049B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210119103.0A Expired - Fee Related CN102647049B (en) | 2012-04-20 | 2012-04-20 | Permanent magnetic gear transmission device from rotary transmission to linear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102647049B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533127B (en) * | 2016-11-30 | 2023-11-21 | 沈阳工业大学 | Permanent magnet magnetic poles alternately arranged and symmetrically arranged double-magnetic wheel non-contact forward driving device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1920338A (en) * | 2006-09-13 | 2007-02-28 | 李岭群 | Magnetic gear wheel with collar groove permanent magnetic amplitude structure and magnetic gear wheel set |
| CN101499710A (en) * | 2008-02-03 | 2009-08-05 | 满永奎 | Magnetic gear transmission |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2439111B (en) * | 2006-06-16 | 2009-10-07 | Univ Sheffield | Magnetic gear |
| GB0810097D0 (en) * | 2008-06-03 | 2008-07-09 | Magnomatics Ltd | Magnetic gear |
| JP5137915B2 (en) * | 2009-08-05 | 2013-02-06 | 三菱電機株式会社 | Magnetic gear and vehicle equipped with the same |
-
2012
- 2012-04-20 CN CN201210119103.0A patent/CN102647049B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1920338A (en) * | 2006-09-13 | 2007-02-28 | 李岭群 | Magnetic gear wheel with collar groove permanent magnetic amplitude structure and magnetic gear wheel set |
| CN101499710A (en) * | 2008-02-03 | 2009-08-05 | 满永奎 | Magnetic gear transmission |
Non-Patent Citations (4)
| Title |
|---|
| JP特开2011-33166A 2011.02.17 |
| 侯云鹏 * |
| 王虎生 * |
| 程树康.无接触永磁齿轮传动机构发展综述.《微电机》.2008,第41卷(第2期),第75页至第77页. * |
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|---|---|
| CN102647049A (en) | 2012-08-22 |
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