CN201656743U - Permanent magnet speed regulator - Google Patents
Permanent magnet speed regulator Download PDFInfo
- Publication number
- CN201656743U CN201656743U CN2010292510802U CN201029251080U CN201656743U CN 201656743 U CN201656743 U CN 201656743U CN 2010292510802 U CN2010292510802 U CN 2010292510802U CN 201029251080 U CN201029251080 U CN 201029251080U CN 201656743 U CN201656743 U CN 201656743U
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- Prior art keywords
- permanent
- axle
- conductor
- permanent magnet
- disc
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- Expired - Fee Related
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A permanent magnet speed regulator comprises a first shaft and a second shaft which are coaxial. A conductor disk is installed on the first shaft; the second shaft is connected with a permanent magnet rotary disk; the conductor disk is arranged oppositely close to the permanent magnet rotary disk; the conductor disk is formed by adhering an outer ferromagnetic material rotary disk together with an inner conductor material rotary disk; the permanent magnet rotary disk is made of non-ferromagnetic materials; a group of permanent magnets is annularly installed on the permanent magnet rotary disk; the directions of magnetic poles of the permanent magnets are parallel to the axis of the rotary disk; and different poles are adjacent. The permanent magnet speed regulator has the advantages of realizing non-contact transfer of power, decreasing vibration, being capable of realizing complete no-load starting of a motor when in starting, pushing bearings to axially move on the shafts and pulling the permanent magnet rotary disk to axially move by adjusting a handle installed on an outer sleeve, changing an air gap between the permanent magnet rotary disk and the conductor disk, namely changing transfer torque between the permanent magnet rotary disk and the conductor disk, being capable of realizing repeatable, adjustable and controllable output torque and rotational speed and achieving the purpose of regulating speed and saving energy.
Description
Technical field
The utility model relates to a kind of motor-driven speed regulating device, relates to a kind of permanent-magnet speed governor that adopts the permanent-magnet eddy current principle of induction specifically.
Background technology
The mode that prior motor system, especially centrifugation apparatus system regulate flow and pressure mainly contains following several: air door baffle plate, valve, fluid coupling, frequency converter, internal feedback chopping regulating speed.Air door baffle plate, valve are traditional approachs, can effectively regulate flow or pressure, but drawback are also apparent: not energy-conservation, easily cause intrasystem impact.Though fluid coupling can play the effect of regulating rotating speed also can be to a certain degree energy-conservation, efficient is lower, and stable inadequately.Frequency converter and internal feedback chopping regulating speed then are to come regulating system and load with the mode that directly changes motor speed, and efficient is higher, and energy-saving effect is also good, but because electric elements are many, the fault point is many, and to the environmental requirement height, life cycle is shorter, and electromagnetic interference is arranged.
The utility model content
The utility model aims to provide the transmission of a kind of moment of torsion efficiently, flexible startup, infinitely variable speeds, energy-efficient and permanent-magnet speed governor that can separating vibration, to solve many technical problems that electric system commonly used is now regulated.
The goal of the invention of the utility model permanent-magnet speed governor realizes by following technical proposals:
The utility model permanent-magnet speed governor comprises coaxial first and second; Described first a conductor disc go up to be installed, second connects permanent magnetic rotation disc, and conductor disc is relative with permanent magnetic rotation disc presses close to; Conductor disc is conformed to together by outer ferromagnetic material rotating disk and internal conductor material rotating disk and constitutes, and permanent magnetic rotation disc is made of nonferromugnetic material, and annular is installed one group of permanent magnet on it, the parallel axes of each permanent magnet magnetic extreme direction and rotating disk, and heteropole is adjacent;
Concrete: wheel hub is installed on the conductor disc, and wheel hub is connected by the swelling cover with first;
Permanent magnetic rotation disc connects by axle sleeve sets up axle, and axle sleeve and set up and adopt the spline snapping between the axle is set up axle and connected second by the tensioner cover;
Axle sleeve is provided with the cylindrical cover outward, set up outer shaft sleeve interior circle cover is arranged, be provided with clutch shaft bearing between cylindrical cover and the axle sleeve, interior circle overlaps and sets up and is provided with second bearing between the axle, is adjustable threaded engagement between cylindrical cover and interior circle overlap, and cylindrical puts and is provided with second handle, interior circle puts and is provided with first handle, adjust the relative position of first handle and second handle, can adjust the relative position of cylindrical cover and interior circle cover, realize the adjustment of permanent magnetic rotation disc and conductor disc relative gap;
First and second can input or output axle each other;
On the outer ferromagnetic material rotating disk fin is housed.
The beneficial effect of the utility model permanent-magnet speed governor is: realized the contactless transmission of power, reduced vibration, when starting, can realize the complete starting under no load of motor, be contained in the outer handle that puts by adjustment, promote bearing and axially move on axle, the push-and-pull permanent magnetic rotation disc moves vertically, change the air gap between permanent magnetic rotation disc and the conductor disc, can change between the two the moment of torsion that transmits, can realize repeatably, adjustable, controllable output torque and rotating speed, the purpose of implementation variable speed energy saving.
Description of drawings
Fig. 1 is the cutaway view of the utility model permanent-magnet speed governor;
Fig. 2 is the installation site schematic diagram of permanent magnet on the utility model permanent-magnet speed governor permanent magnetism dish;
Fig. 3 is the installation method schematic diagram of permanent magnet on the utility model permanent-magnet speed governor permanent magnetism dish;
Fig. 4 is the spline annexation schematic diagram between the utility model permanent-magnet speed governor axle and the axle sleeve;
Fig. 5 is the cooperation schematic diagram that is threaded between interior circle cover of the utility model permanent-magnet speed governor and the cylindrical cover;
Fig. 6 is that two handles of the utility model permanent-magnet speed governor concern schematic diagram in the installation site that inside and outside circle puts;
Fig. 7 is that the installation of dress radiating fin on the steel dish outer surface of the utility model permanent-magnet speed governor conductor disc outside concerns schematic diagram.
Fig. 8 is the schematic diagram of the utility model permanent-magnet speed governor radiating fin;
Fig. 9 is the utility model permanent-magnet speed governor internal chute schematic diagram;
Figure 10 is the slide block chute structural representation that cover is connected with overcoat in the utility model permanent-magnet speed governor;
Figure 11 is that the utility model permanent-magnet speed governor bearing becomes a pair of schematic diagram by one;
Figure 12 is the horizontal cross-sectional view of the utility model permanent-magnet speed governor second embodiment;
Figure 13 is the utility model permanent-magnet speed governor installs bearing, overcoat and fixed frame additional on first a schematic diagram;
Figure 14 is the utility model permanent-magnet speed governor installs fixed frame additional on second a schematic diagram.
Embodiment
Referring now to Figure of description, in conjunction with specific embodiments the utility model permanent-magnet speed governor is described further.
Operation principle: the magnet on the permanent magnetism dish divides that N, S are extremely adjacent to arrange, the magnetic line of force passes corresponding conductor disc, when relative motion between the two, the conductor disc cutting magnetic line, in conductor disc, produce vortex flow, vortex flow and then generation dislike magnetic field stop relative motion between the two, thereby realize moment of torsion transmission between the two.The magnetic field intensity of passing between the two is big more, and the moment of torsion of transmission is big more; Relative motion is fast more, and the moment of torsion of transmission is big more; Speed discrepancy is big more, and the strength of Pai Chiing is also big more between the two.Under the changeless situation of other factor, the moment of torsion of Chuan Diing is by the distance decision, when moving vertically by bearing push-and-pull permanent magnetic rotation disc between the two, change between the two apart from the time, just can change the moment of torsion that transmits between the two, thereby change the rotating speed of output, realize the purpose of variable speed energy saving.
See Fig. 1, the utility model permanent-magnet speed governor mainly is made up of conductor disc 4 and permanent magnetic rotation disc 10; Conductor disc 4 is connected by wheel hub 3 first 1 with the outside, wheel hub 3 is connected by swelling cover 2 with first, conductor disc 4 is connected to fit together with internal conductor material rotating disk 6 by outer ferromagnetic material rotating disk 5 and constitutes, between be connected and fixed with bolt, outer ferromagnetic material rotating disk 5 outer surfaces are equipped with fin 33 (see figure 7)s, and fin 33 materials are aluminium alloy or other good heat conductor material (see figure 8)s.
Permanent magnetic rotation disc 10 links with axle sleeve 28 usefulness bolts 11, rotating disk 10 usefulness nonferromugnetic materials are made, can be nonmagnetic material or nonmetallic materials, annular is installed permanent magnet 8 (see figure 2)s on it, permanent magnet magnetic extreme direction and turntable shaft line parallel, and the magnetic pole of adjacent magnets is opposite, and permanent magnet 8 shapes can be rectangle, fan-shaped, circular or other shapes, perforation is fixed on (see figure 3) on the disk 10 with bolt 7 in the middle of the permanent magnet 8.Disk 9 is a ferrimagnet, is connected with the interior hexagonal dormant bolt of permanent magnetic rotation disc 10 usefulness.
Permanent magnetic rotation disc 10 connects by axle sleeve 28 sets up axle 19, and axle sleeve 28 and set up and adopt the spline snapping between the axle 19 is set up axle 19 and connected second 20 by tensioner cover 21;
The axle sleeve 28 outer cylindrical covers 26 that are provided with, set up circle cover 16 in axle 19 outer being with, be provided with clutch shaft bearing 13 between cylindrical cover 26 and the axle sleeve 28, in circle cover 16 and set up between the axle 19 and be provided with second bearing 17, between cylindrical cover 26 and the interior circle cover 16 is adjustable threaded engagement, cylindrical cover 26 is provided with second handle 32, interior circle cover 16 is provided with first handle 31, adjust the relative position of first handle 31 and second handle 32, can adjust the relative position of cylindrical cover 26 and interior circle cover 16, realize the adjustment of permanent magnetic rotation disc 10 and conductor disc 4 relative gaps; Second handle 32 on cylindrical cover 26 is fixed with pull bar from the outside, when spurring the first handle 31 on the interior circle cover 16, screw thread promotes cylindrical cover 26 along moving axially, and then promote clutch shaft bearing 13 and axle sleeve 28 and slide setting up on the axle 19, drag permanent magnetic rotation disc 10 and endwisely slipping together, change the gap between permanent magnetic rotation disc 10 and the conductor disc 4.First handle 31 drags after can connecting upper connecting rod with the part-turn electric actuator of outside, to realize controlling automatically (see figure 6).
Second bearing, 17 right sides are pressed on to be set up on the axle 19 right side shaft shoulders, and there is second back-up ring 22 in the left side, and with 23 lockings of second nut, the inner circle cover 16 in second bearing, 17 overcoat right sides compresses, and second back-up ring 24 is fixed by bolts on the interior circle cover 16; Cylindrical cover 26 is followed between the interior circle cover 16 with the (see figure 5) that is threaded, clutch shaft bearing 13 is contained on the axle sleeve 28, the clutch shaft bearing 13 inner ring left sides compress by the shaft shoulder of axle sleeve 28, there is first back-up ring 14 on the right, with 15 lockings of first nut, the shaft shoulder of the outer circle cover 26 in right side, clutch shaft bearing 13 outer ring compresses, and the left side is fixed on the cylindrical cover 26 by the 3rd back-up ring 27 usefulness bolts 12 and compresses; Axle sleeve 28 is contained in to be set up on the axle 19, connects (see figure 4) with setting up axle 19 usefulness splines, and axle head is locked with the 3rd nut 29.
Being threaded on interior circle cover 16 and the cylindrical cover 26 also can become chute slide block structure (seeing Fig. 9, Figure 10).
See Figure 12, conductor disc 4 and the 10 a plurality of stacks respectively of permanent magnetism body disc can be second embodiment of the present utility model.Two conductor disc 4 connect together the formation cage-type rotor by bolt with connecting plate 37, and two permanent magnetic rotation discs 10 connect together with bolt by terminal pad 40, and two conductor disc 4 and two permanent magnetism dishes 10 keep equal big or small air gap.This embodiment can double the moment of torsion that transmits between conductor disc 4 and the permanent magnetic rotation disc 10.Equally, when three, four and even more conductor disc and three, four and even the stack of more permanent magnetic rotation discs, transfer torque can become three times, four times and even more times.
See Figure 13, first 1 wheel hub outside can increase the 3rd bearing 44 and the 3rd bearing outside 45, and with the 3rd bearing outside 45 by being bolted on the external frame 46, to overcome the axial force that conductor disc 4 and permanent magnetic rotation disc 10 exist.
Clutch shaft bearing 13, second bearing 17, the 3rd bearing 44 can become a pair of can bearing simultaneously axially and the bearing (seeing Figure 11) of radial load by a bearing, do not influence the structure and the performance of this product.
The foregoing description of the present utility model is just in order clearly to illustrate the utility model example, and is not to be qualification to execution mode of the present utility model.On the basis of the above description, can also just specifically implement structure and do other multi-form variations, everyly belong to the conspicuous variation that the technical solution of the utility model amplifies out or change the row that still are in protection range of the present utility model.
Claims (9)
1. a permanent-magnet speed governor comprises coaxial first, second, it is characterized in that: first connects with conductor disc by wheel hub; Go up by setting up axle, axle sleeve connection permanent magnetic rotation disc for second; Permanent magnetic rotation disc is parallel relative with conductor disc, and there is air gap the centre; Conductor disc is conformed to together by outer ferromagnetic material rotating disk and internal conductor material rotating disk and constitutes, and permanent magnetic rotation disc is made of nonferromugnetic material, and annular is installed one group of permanent magnet on it, the parallel axes of each permanent magnet magnetic extreme direction and rotating disk, and heteropole is adjacent.
2. permanent-magnet speed governor according to claim 1 is characterized in that: on the described conductor disc wheel hub is installed, wheel hub is connected by the swelling cover with first.
3. permanent-magnet speed governor according to claim 2 is characterized in that: permanent magnetic rotation disc connects by axle sleeve sets up axle, and axle sleeve and set up and adopt the spline snapping between the axle is set up axle and connected second by the tensioner cover.
4. permanent-magnet speed governor according to claim 3, it is characterized in that: described axle sleeve is provided with the cylindrical cover outward, set up outer shaft sleeve interior circle cover is arranged, be provided with clutch shaft bearing between cylindrical cover and the axle sleeve, interior circle overlaps and sets up and is provided with second bearing between the axle, between cylindrical cover and the interior circle cover is adjustable threaded engagement, cylindrical puts and is provided with second handle, interior circle puts and is provided with first handle, adjust the relative position of first handle and second handle, can adjust the relative position of cylindrical cover and interior circle cover, realize the adjustment of permanent magnetic rotation disc and conductor disc relative gap.
5. permanent-magnet speed governor according to claim 4 is characterized in that: on the described outer ferromagnetic material rotating disk fin is housed.
6. permanent-magnet speed governor according to claim 5 is characterized in that: described first and second can input or output axle each other;
7. permanent-magnet speed governor according to claim 6 is characterized in that: the adjustable thread matching structure between described cylindrical cover and the interior circle cover substitutes with slide block chute structure.
8. permanent-magnet speed governor according to claim 7 is characterized in that: described axle sleeve and set up spline snapping mode between the axle substitutes with square shaft or many ribs axle mode.
9. permanent-magnet speed governor according to claim 8, with it is characterized in that: described conductor disc and permanent magnetism body disc are stack more than two, form conductor rotating disk and a plurality of permanent magnetic rotation disc while transfer torque of cage modle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010292510802U CN201656743U (en) | 2010-03-01 | 2010-03-01 | Permanent magnet speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010292510802U CN201656743U (en) | 2010-03-01 | 2010-03-01 | Permanent magnet speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656743U true CN201656743U (en) | 2010-11-24 |
Family
ID=43121974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010292510802U Expired - Fee Related CN201656743U (en) | 2010-03-01 | 2010-03-01 | Permanent magnet speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783576A (en) * | 2010-03-01 | 2010-07-21 | 王荣松 | Permanent-magnet speed governor |
| CN106357086A (en) * | 2016-10-25 | 2017-01-25 | 上海市东方海事工程技术有限公司 | Single-disc permanent-magnetic speed regulating clutch and dual-power transmission system |
-
2010
- 2010-03-01 CN CN2010292510802U patent/CN201656743U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783576A (en) * | 2010-03-01 | 2010-07-21 | 王荣松 | Permanent-magnet speed governor |
| CN106357086A (en) * | 2016-10-25 | 2017-01-25 | 上海市东方海事工程技术有限公司 | Single-disc permanent-magnetic speed regulating clutch and dual-power transmission system |
| CN106357086B (en) * | 2016-10-25 | 2019-01-22 | 上海市东方海事工程技术有限公司 | A kind of single-deck permanent magnetic speed-adjusting clutch and double acting force transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110301 |