CN203056703U - Floatable magnetic feed stator and permanent magnet speed adjusting device based on same - Google Patents
Floatable magnetic feed stator and permanent magnet speed adjusting device based on same Download PDFInfo
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- CN203056703U CN203056703U CN 201220595719 CN201220595719U CN203056703U CN 203056703 U CN203056703 U CN 203056703U CN 201220595719 CN201220595719 CN 201220595719 CN 201220595719 U CN201220595719 U CN 201220595719U CN 203056703 U CN203056703 U CN 203056703U
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- stator
- feedback magnetic
- rotor
- magnetic
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Abstract
The utility model discloses a floatable magnetic feed stator and a permanent magnet speed adjusting device based on the same. The floatable magnetic feed stator comprises a magnetic feed stator ring, a stator support and a stator base; the magnetic feed stator ring is fixed on the stator support; two sides of the magnetic feed stator ring on the stator base are respectively provided with one lead screw seat; the stator support is connected with a nut; a lead screw penetrates the two lead screw seats and the nut positioned between the two lead screw seats; a slide rail is arranged on the stator base; a slider is mounted on the slide rail; and a stator supporting leg of the stator support is fixed on the slider. The permanent magnet speed adjusting device comprises the above floatable magnetic feed stator. The floatable magnetic feed stator and the permanent magnet speed adjusting device based on the same have the advantages that ineffective hot consumption is reduced effectively; weight of a rotor is reduced, requirements of products for shaft system specifications can be lowered, manufacturing of large-size or ultra-large products is facilitated; material usage is reduced, machining cost and manufacturing cost are reduced; a speed adjusting mechanism is simplified; and total cost of products is reduced.
Description
[technical field]
The utility model belongs to the power transmission field, is specifically related to a kind of feedback magnetic stator and based on the permanent magnetic speed-adjusting device of this feedback magnetic stator that can float of floating.
[background technology]
The basic principle of existing permanent magnet coupling device all is to utilize the relative motion between conductor rotor and the p-m rotor to induce magnetic field of volution in conductor rotor, and this magnetic field of volution attempt hinders the motion of permanent magnetic field, thereby is dragged.Utilize this mechanism, power is passed to load-side from the power side.
First kind permanent-magnet speed governor is plate-like, regulates the distance between conductor rotor and the p-m rotor, namely regulates size of gaps, and air gap is big, and the moment of torsion of transmission is little, and load speed is low, and vice versa.The patent No. is 98802726.7, and Granted publication number is CN1140042C, Granted publication day be on February 25th, 2004 patent disclosure a kind of adjustable magnetic coupler, be first kind permanent-magnet speed governor.In addition, on 09 04th, 2002 disclosed Chinese patent discloses CN1367948A and discloses a kind of permanent magnet coupler with adjustable air gap, and above-mentioned patent is all pointed out need add iron plate at the conductor rotor back side.And the second class permanent-magnet speed governor is tubular.Then be by the magnetic field area of contact between adjusting p-m rotor and the conductor rotor, the transmission that realization is passed to load-side with power from the power side, area of contact is big, and then the moment of torsion of Chuan Diing is big, the load speed height, vice versa.China Patent No. is 200920256058.7, and Granted publication number is CN201577019U, Granted publication day be on 09 08th, 2010 patent disclosure a kind of permanent-magnet speed governor, be the second class permanent-magnet speed governor.It comprises: tubular conductor rotor, tubular p-m rotor and adjuster, the tubular p-m rotor is in the tubular conductor rotor, and with the rotating shaft independent rotation of installing separately, adjuster adjusting tubular p-m rotor and tubular conductor rotor are at the relative position of axis direction, can change the active area between tubular conductor rotor and the tubular p-m rotor, realize changing the size of transmitting torque between tubular conductor rotor and the tubular p-m rotor.
In the prior art, because the conductor part in above-mentioned iron plate and conductor rotor is solidified as a whole, when conductor rotor and p-m rotor relative motion, on above-mentioned iron plate, produce useful vortex flow with very low efficient, but produce bigger heat with higher efficient simultaneously, because the heat that this vortex flow produces can cause the temperature of rotor to raise, and this temperature rise is unhelpful and harmful for the running of product, the above-mentioned first kind and the second class permanent-magnet speed governor all are provided with radiator, the shortcoming that above-mentioned patent exists is, especially in the product of big specification or super large-scale, above-mentioned iron plate can reach tens of kilograms to hundreds of kilograms together with the weight of heat sink, thereby, in product, not only to strengthen the specification of rotating shaft, and the dynamic equilibrium adjustment to conductor rotor increases difficulty, even brings obstacle for the realization of super large-scale product.
[utility model content]
The purpose of this utility model provides a kind of feedback magnetic stator and based on the permanent magnetic speed-adjusting device of this feedback magnetic stator that can float of floating, and realizes speed governing by the displacement adjustment to stator, makes product be achieved with lower cost.
To achieve these goals, the utility model adopts following technical scheme:
Can float and present the magnetic stator, comprise feedback magnetic track ring, stator support, stator base and displacement adjusting mechanism; Feedback magnetic track ring is fixed on the stator support, and the displacement adjusting mechanism is arranged on the described stator base,, described stator support connects described displacement adjusting mechanism.
Described displacement adjusting mechanism comprises two leading screw seats, a mother lead screw and a leading screw; Feedback magnetic track ring both sides respectively are provided with a leading screw seat, and stator support connects mother lead screw, and leading screw is installed on the leading screw seat and passes two mother lead screws between the leading screw seat.
The utility model further improves and is: stator base is provided with slide rail, and slide block is installed on the slide rail, and the stator support pin of stator support is fixed on the slide block.
The utility model further improves and is: described feedback magnetic track ring is that integral type cylinder, a plurality of split-type feedback magnetic track ring are around the cylinder or the ring plate that form.
The utility model further improves and is: described feedback magnetic track ring is formed by the silicon steel sheet lamination.
A kind of permanent magnetic speed-adjusting device comprises the feedback magnetic stator that can float; Feedback magnetic sheet and conductor loops in also comprising; Interior feedback magnetic sheet is arranged in the feedback magnetic track ring, and it is some right to magnet that interior feedback magnetic sheet periphery evenly is provided with, and pair of magnets is to comprising a permanent magnet N and a permanent magnet S, and interior feedback magnetic sheet is fixed in p-m rotor to be supported; Conductor loops is arranged between feedback magnetic track ring and the interior feedback magnetic sheet, and is fixed in the conductor rotor support.
A kind of permanent magnetic speed-adjusting device comprises the feedback magnetic stator that can float; Feedback magnetic sheet and conductor plate in also comprising; In the feedback magnetic sheet be ring plate, on it annular be evenly equipped with some right to magnet, adjacent magnets between be provided with groove, pair of magnets is to comprising a permanent magnet N and a permanent magnet S; Conductor plate is set in parallel between feedback magnetic stator plate and the interior feedback magnetic sheet.
A kind of permanent magnetic speed-adjusting device comprises can float feedback magnetic stator, p-m rotor and conductor rotor, and described conductor rotor is arranged at can float between feedback magnetic stator and the p-m rotor; Described displacement adjusting mechanism is presented the magnetic stator displacement by driving to float, with the size of the useful flux of corrective action on conductor rotor, and then the rotating speed of adjustment load.
The utility model further improves and is: it is some right to magnet evenly to be provided with on the interior feedback magnetic sheet of p-m rotor, and pair of magnets is to comprising a permanent magnet N and a permanent magnet S.
The utility model further improves and is: the described feedback magnetic stator that floats is that integral type cylinder, integral type ring plate or a plurality of split-type feedback magnetic track ring are around the cylinder that forms; Interior feedback magnetic sheet in the p-m rotor is integral type cylinder or integral type ring plate.
With respect to prior art, the utlity model has following advantage: adopt a kind of floating to form closed magnetic field efficiently between feedback magnetic stator and the p-m rotor; Conductor loops in the conductor rotor or conductor plate only are made of good conductor and remove the irony magnetic conduction liner plate of high resistivity, thus the temperature rise that minimizing equipment produces when operation; Feedback magnetic stator of the present utility model be by can reducing eddy current to greatest extent, but can realize that the material of efficient magnetic conduction constitutes, as the lamination silicon steel sheet; At applicable situation, be used for to adjust the float displacement of feedback magnetic stator of speed adjusting gear of the present utility model, the mode of displacement of adjusting rotor than prior art is obviously simple, and does not increase the load of power transmission shaft.
Especially in big specification product, have the following advantages: 1, reduce useless heat loss significantly, 2, reduce rotor weight, simultaneously can reduce product is the requirement of specification to axle, be conducive to make the product of big specification and super large-scale, 3, reduce material usage, reduce processing cost and cost of manufacture, 4, simplify speed adjusting gear, 5, reduce the product total cost.
[description of drawings]
Fig. 1 is the structure partial cut-away illustration of the utility model permanent magnetic speed-adjusting device (embodiment 1);
Fig. 2 be the utility model can float the feedback magnetic stator structure schematic diagram (embodiment 1, and stator is annular slab);
Fig. 3 is the structural representation of the utility model permanent magnetic speed-adjusting device (embodiment 1);
Fig. 4 is the p-m rotor of the utility model permanent magnetic speed-adjusting device (embodiment 1) and the axial view schematic diagram of feedback magnetic track ring combination;
Fig. 5 is the conductor rotor structural representation of the utility model permanent magnetic speed-adjusting device (embodiment 1);
Fig. 6-the 1st, the utility model can float and present magnetic stator structure position 1 schematic diagram (embodiment 2, and stator is the split-type annular slab);
Fig. 6-the 2nd, the utility model feedback magnetic stator structure position 2 schematic diagrames (embodiment 2, and stator is the split-type annular slab, and the distance of itself and interior feedback magnetic sheet is greater than shown in the position 1) that can float;
Fig. 7 is the utility model feedback magnetic stator structure schematic diagram (embodiment 3, and stator be flat board) that can float;
Fig. 8 is the utility model permanent magnetic speed-adjusting device p-m rotor and conductor rotor structural representation (embodiment 3);
Fig. 9 is the explosive view of the utility model permanent magnetic speed-adjusting device (embodiment 3);
Figure 10-the 1st, the utility model can float and present magnetic stator structure position 1 schematic diagram (embodiment 3);
Figure 10-the 2nd, the utility model can float and present magnetic stator structure position 2 schematic diagrames (embodiment 3);
Among the figure: 1-1: interior feedback magnetic sheet, 1-2: p-m rotor supports, 1-3: p-m rotor flange, 1-N: permanent magnet N, 1-S: permanent magnet S, 2-1: feedback magnetic track ring, 2-1f: split-type feedback magnetic track ring, 2-1p: feedback magnetic stator plate, 2-2: stator support, 2-3 stator support pin, 3-1(3-1p): conductor loops (plate), 3-2: conductor rotor supports, 3-3: conductor rotor flange, 4-1: stator base; The 4-2 slide rail; 4-3: slide block, 5-1 leading screw, 5-2 mother lead screw, 5-3 leading screw seat.
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment 1: see also illustrated in figures 1 and 2ly, the utility model the is a kind of feedback magnetic stator that floats comprises feedback magnetic track ring 2-1, stator support 2-2, stator base 4-1 and displacement adjusting mechanism.Feedback magnetic track ring 2-1 is fixed on the stator support 2-2, and the displacement adjusting mechanism is arranged on the described stator base 4-1, and described stator support 2-2 connects described displacement adjusting mechanism.The displacement adjusting mechanism comprises two leading screw seat 5-3, a mother lead screw 5-2 and a leading screw 5-1; Feedback magnetic track ring 2-1 both sides respectively are provided with a leading screw seat 5-3, and stator support 2-2 connects mother lead screw 5-2, and leading screw 5-1 is installed in two leading screw seat 5-3 and goes up and pass mother lead screw 5-2 between two leading screw seat 5-3.Stator base 4-1 is provided with slide rail 4-2, and slide block 4-3 is installed on the slide rail 4-2, and the stator support pin 2-3 of stator support 2-2 is fixed on the slide block 4-3; Just can drive feedback magnetic track ring 2-1 rectilinear motion between two leading screw seat 5-3 when rotating 5-1.Feedback magnetic track ring 2-1 is circularized according to lamination vertically by silicon steel sheet.The displacement adjusting mechanism can also adopt other mechanisms such as rack-and-pinion of the prior art, motor.
See also shown in Fig. 1-5,1 one kinds of permanent magnetic speed-adjusting devices of the utility model embodiment, comprise to float feedback magnetic stator, interior feedback magnetic sheet 1-1 and conductor loops 3-1, interior feedback magnetic sheet 1-1 is arranged in the feedback magnetic track ring 2-1, it is some right to magnet that interior feedback magnetic sheet 1-1 periphery evenly is provided with, pair of magnets is to comprising a permanent magnet N(1-N) and a permanent magnet S (1-S), interior feedback magnetic sheet 1-1 is fixed in p-m rotor to be supported on the 1-2, and this p-m rotor supports the 1-2 center and is provided with p-m rotor flange 1-3; Conductor loops 3-1 is arranged between feedback magnetic track ring and the interior feedback magnetic sheet 1-1, and is fixed on the conductor rotor support 3-2, and conductor rotor supports 3-2 and is provided with conductor rotor flange 3-3.Just can regulate the projection overlapping area between feedback magnetic stator 2-1 and the interior feedback magnetic sheet 1-1 by displacement adjusting mechanism (being leading screw and nut mechanism among the embodiment), and then adjust useful flux.
Embodiment 2: see also shown in Fig. 6-1 and Fig. 6-2, the floated feedback magnetic stator of the utility model embodiment 2 and the difference of embodiment 1 be, the feedback magnetic track ring 2-1 of integral body replaced to by a plurality of split-types feedback magnetic track ring 2-1f present the magnetic track ring around the cylindrical shape that forms.The adjusting of a plurality of split-type feedback magnetic track ring 2-1f displacement can realize by existing technical method, does not draw among the figure.
Embodiment 3: see also Fig. 7 to shown in Figure 10,3 one kinds of feedback magnetic stator difference from Example 1 of can floating of the utility model embodiment are, the feedback magnetic track ring 2-1 of integral body is replaced to feedback magnetic stator plate 2-1p.3 one kinds of permanent magnetic speed-adjusting devices of embodiment comprise can float feedback magnetic stator, interior feedback magnetic sheet 1-1 and conductor plate 3-1p; In feedback magnetic sheet 1-1 be ring plate, on it annular be evenly equipped with some right to magnet, adjacent magnets between be provided with a groove, pair of magnets is to comprising a permanent magnet N(1-N) an and permanent magnet S (1-S); Conductor plate 3-1p is set in parallel between feedback magnetic stator plate 2-1p and the interior feedback magnetic sheet 1-1; Just can regulate the spacing of presenting between magnetic stator plate 2-1p and the interior feedback magnetic sheet 1-1 by leading screw and nut mechanism.Feedback magnetic stator plate 2-1p by silicon steel sheet radially the from coil to coil lamination form.
In the utility model, conductor rotor is connected with motor coaxle, and p-m rotor is connected with load is coaxial.Be equipped with when the driven by motor conductor rotor in the p-m rotor of powerful rare-earth magnet and rotating, it is cutting magnetic line, thereby in conductor rotor, produce vortex flow, and then the magnetic field of inducting and making new advances, because the interaction of two magnetic field forces, just can drag p-m rotor and rotate thereupon, thus can be between motor and load with non-contacting mode realize the moment of torsion transmission.There is certain slippage all the time in this dragging, i.e. the rotating speed that load obtains is lower than rotating speed of motor.By can the float displacement of feedback magnetic stator of mechanically operated mode adjustment, just can adjust the size of useful flux, and then just can realize the adjustment to load speed.
Although above embodiment of the present utility model is described in detail, the utility model is not limited to above-mentioned specific embodiments.Those of ordinary skill in the art under the situation that does not break away from the scope that the utility model claim protects, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the utility model protection.
Claims (10)
1. can float and present the magnetic stator, it is characterized in that, comprise feedback magnetic track ring (2-1), stator support (2-2), stator base (4-1) and displacement adjusting mechanism; Feedback magnetic track ring (2-1) is fixed on the stator support (2-2), and the displacement adjusting mechanism is arranged on the described stator base (4-1), and described stator support (2-2) connects described displacement adjusting mechanism.
2. the feedback magnetic stator that floats according to claim 1 is characterized in that described displacement adjusting mechanism comprises two leading screw seats (5-3), a mother lead screw (5-2) and a leading screw (5-1); Feedback magnetic track ring (2-1) both sides respectively are provided with a leading screw seat (5-3), stator support (2-2) connects mother lead screw (5-2), and leading screw (5-1) is installed in two leading screw seats (5-3) and goes up and pass the mother lead screw (5-2) that is positioned between two leading screw seats (5-3).
3. according to claim 1 floating presented the magnetic stator, it is characterized in that, stator base (4-1) is provided with slide rail (4-2), and slide block (4-3) is installed on the slide rail (4-2), and the stator support pin (2-3) of stator support (2-2) is fixed on the slide block (4-3).
4. the feedback magnetic stator that floats according to claim 1 is characterized in that, described feedback magnetic track ring (2-1) is that integral type cylinder, a plurality of split-type feedback magnetic track ring (2-1f) are around the cylinder or the ring plate that form.
5. according to each described feedback magnetic stator that floats in the claim 1 to 4, it is characterized in that described feedback magnetic track ring (2-1) is formed by the silicon steel sheet lamination.
6. a permanent magnetic speed-adjusting device is characterized in that, comprises each described feedback magnetic stator that floats in the claim 1 to 5; Feedback magnetic sheet (1-1) and conductor loops (3-1) in also comprising; Interior feedback magnetic sheet (1-1) is arranged in the feedback magnetic track ring (2-1), it is some right to magnet that interior feedback magnetic sheet (1-1) periphery evenly is provided with, pair of magnets is to comprising a permanent magnet N(1-N) and a permanent magnet S (1-S), interior feedback magnetic sheet (1-1) is fixed in p-m rotor to be supported on (1-2); Conductor loops (1-3) is arranged between feedback magnetic track ring and the interior feedback magnetic sheet (1-1), and is fixed in the conductor rotor support (3-2).
7. a permanent magnetic speed-adjusting device is characterized in that, comprises each described feedback magnetic stator that floats in the claim 1 to 5; Feedback magnetic sheet (1-1) and conductor plate (3-1p) in also comprising; In feedback magnetic sheet (1-1) be ring plate, on it annular be evenly equipped with some right to magnet, adjacent magnets between be provided with groove, pair of magnets is to comprising a permanent magnet N(1-N) an and permanent magnet S (1-S); Conductor plate (3-1p) is set in parallel between feedback magnetic stator plate (2-1p) and the interior feedback magnetic sheet (1-1).
8. a permanent magnetic speed-adjusting device is characterized in that, comprises each described feedback magnetic stator that floats in the claim 1 to 5; Also comprise p-m rotor and conductor rotor, described conductor rotor is arranged at can float between feedback magnetic stator and the p-m rotor; Described displacement adjusting mechanism is presented the magnetic stator displacement by driving to float, with the size of the useful flux of corrective action on conductor rotor, and then the rotating speed of adjustment load.
9. a kind of permanent magnetic speed-adjusting device according to claim 8 is characterized in that, it is some right to magnet evenly to be provided with on the interior feedback magnetic sheet of p-m rotor, and pair of magnets is to comprising a permanent magnet N(1-N) and a permanent magnet S (1-S).
10. a kind of permanent magnetic speed-adjusting device according to claim 8 is characterized in that, the described feedback magnetic stator that floats is that integral type cylinder, integral type ring plate or a plurality of split-type feedback magnetic track ring are around the cylinder that forms; Interior feedback magnetic sheet in the p-m rotor is integral type cylinder or integral type ring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595719 CN203056703U (en) | 2012-11-13 | 2012-11-13 | Floatable magnetic feed stator and permanent magnet speed adjusting device based on same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595719 CN203056703U (en) | 2012-11-13 | 2012-11-13 | Floatable magnetic feed stator and permanent magnet speed adjusting device based on same |
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| Publication Number | Publication Date |
|---|---|
| CN203056703U true CN203056703U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595719 Expired - Fee Related CN203056703U (en) | 2012-11-13 | 2012-11-13 | Floatable magnetic feed stator and permanent magnet speed adjusting device based on same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203056703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001340A (en) * | 2012-11-13 | 2013-03-27 | 西安巨舟电子设备有限公司 | Floatable magnetic feed stator and permanent magnet speed reducing device based on same |
| CN112398306A (en) * | 2020-11-30 | 2021-02-23 | 合肥工业大学 | Low power sinusoidal torque output transmission |
-
2012
- 2012-11-13 CN CN 201220595719 patent/CN203056703U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001340A (en) * | 2012-11-13 | 2013-03-27 | 西安巨舟电子设备有限公司 | Floatable magnetic feed stator and permanent magnet speed reducing device based on same |
| CN103001340B (en) * | 2012-11-13 | 2015-03-18 | 西安巨舟电子设备有限公司 | Floatable magnetic feed stator and permanent magnet speed reducing device based on same |
| CN112398306A (en) * | 2020-11-30 | 2021-02-23 | 合肥工业大学 | Low power sinusoidal torque output transmission |
| CN112398306B (en) * | 2020-11-30 | 2021-09-17 | 合肥工业大学 | Low power sinusoidal torque output transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151113 |
|
| EXPY | Termination of patent right or utility model |