CN201860245U

CN201860245U - Cylindrical rotary table permanent magnet speed governor

Info

Publication number: CN201860245U
Application number: CN201020125727XU
Authority: CN
Inventors: 王荣松
Original assignee: 王荣松
Current assignee: Taizhou sipurui Energy Technology Co Ltd
Priority date: 2010-03-09
Filing date: 2010-03-09
Publication date: 2011-06-08
Anticipated expiration: 2020-03-09

Abstract

A cylindrical rotary table permanent magnet speed governor comprises a first shaft and a second shaft; an edge cylinder steel rotary table with double layers sharing the same bottom is arranged on the first shaft, and an inner conductive cylinder and an outer conductive cylinder oppositely arranged are arranged in the inner cylinder and the outer cylinder; an additionally arranged shaft, a shaft sleeve and a permanent magnet rotary table are arranged on the second shaft, the shaft sleeve and the additionally arranged shaft are connected through a spline, the permanent magnet rotary table adopts a single-layered edge cylinder made by non-ferromagnetic material, a lap of permanent magnets are arranged on the edge cylinder, the pole direction of the permanent magnets is perpendicular to the axis of the rotary table, the adjacent permanent magnets are mounted in a heteropolar manner, and the edge cylinder is placed between the inner conductive cylinder and the outer conductive cylinder; and a regulating mechanism formed by an inner round sleeve and an outer round sleeve is arranged outside the additionally arranged shaft and the shaft sleeve. In the cylindrical rotary table permanent magnet speed governor, planar coupling is replaced by cylindrical coupling, the axial force is zero, the coupling surface is large, the permanent magnet rotary table can axially move, the transmitted torque between the permanent magnet rotary table and the conductive cylinders can be changed through changing the effective meshed part of the permanent magnet rotary table and the conductive cylinders, and repeatable, adjustable and controllable torque and rotational speed output can be realized, as well as the purposes of speed regulation and energy conservation.

Description

Cylindrical-turnplate permanent magnet speed controller

Technical field

The utility model relates to a kind of driven speed regulating, relates to a kind of cylindrical-turnplate permanent magnet speed controller 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.

In this case, permanent-magnet speed governor is that a novel ideal is selected in the electric machine speed regulation field; But the permanent-magnet speed governor coupling surface of common dull and stereotyped rotating disc type is the plane, and area is little, and moment of torsion is less, and axial force is bigger, to the requirement height of bearing, is easy to damage.

The utility model content

For addressing the above problem, the utility model aims to provide that a kind of moment of torsion is big, the cylindrical-turnplate permanent magnet speed controller of no axial repulsion.

The utility model cylindrical-turnplate permanent magnet speed controller, comprise coaxial first, second, wherein: first is provided with double-deck limit, common end tube steel rotating disk, the internal layer drum outer wall is provided with the inner wire tube, an outer tube inwall is provided with the outer conductor tube, and the internal and external conductor tube is the material that good electrical conductivity and enough strength and stiffness are arranged; Second is led to connect and sets up axle, set up axle by the spline connecting bushing, axle sleeve is provided with permanent magnetic rotation disc, permanent magnetic rotation disc is an individual layer limit tube, constitute by nonferromugnetic material, annular is installed one group of permanent magnet on the tube of limit, permanent magnet magnetic extreme direction and permanent magnetic rotation disc axis normal, adjacent magnets magnetic pole heteropole is installed relatively, and the limit tube of permanent magnetic rotation disc places between the internal and external conductor tube, the air gap that equates with the maintenance of internal and external conductor tube, circle cover in axle sleeve is provided with outward, there is the cylindrical cover outside, cooperates for the slide block chute between cylindrical cover and the interior circle cover, cylindrical puts and is provided with second handle, and interior circle puts and is provided with first handle.

That described permanent magnet shape can be is fan-shaped, rectangle, ellipse or circular; Have row's installing hole on the tube of described permanent magnetic rotation disc limit, permanent magnet is located in the installing hole.

Describedly set up axle and be provided with second wheel hub and the second swelling cover between second.

Be provided with the first wheel and the first swelling cover between described steel rotating disk and first.

Be provided with clutch shaft bearing between circle cover and the axle sleeve in described.

Described first and second can input or output axle each other.

Described steel rotating disk internal layer tube inner surface and outer tube outer surface are equipped with fin, and the bottom surface of steel rotating disk and permanent magnetic rotation disc is provided with louvre.

Slide block chute structure between described cylindrical cover and the interior circle cover can substitute with thread matching structure.

Available external frame is replaced one of in described handle first handle and the second handle.

The beneficial effect of cylindrical-turnplate permanent magnet speed controller of the present invention is: in the contactless transmission that realizes power, avoided axial thrust, increased coupling area, when starting, can realize the complete starting under no load of motor, be contained in the inside and outside outer handle that puts by adjustment, the push-and-pull permanent magnetic rotation disc moves vertically, change the live part of permanent magnetic rotation disc and conductor tube coupling, can change the moment of torsion that transmits between the two, can realize repeatably, adjustable, controllable output torque and rotating speed, realize the purpose of variable speed energy saving; Installation and Debugging simultaneously are fairly simple, allow certain axial endplay.

Description of drawings

Fig. 1 is the cutaway view of cylindrical-turnplate permanent magnet speed controller of the present invention;

Fig. 2 is the scheme of installation of permanent magnet on the cylindrical-turnplate permanent magnet speed controller permanent magnetism dish of the present invention;

Fig. 3 is the installation method schematic diagram of permanent magnet on the cylindrical-turnplate permanent magnet speed controller permanent magnetism dish of the present invention;

Fig. 4 is that cylindrical-turnplate permanent magnet speed controller of the present invention is set up the spline annexation schematic diagram between axle and the axle sleeve;

Fig. 5 is the cylindrical-turnplate permanent magnet speed controller of the present invention interior tube inner surface of double-deck limit, end tube steel rotating disk and outer tube outer surface fin and a jackscrew scheme of installation altogether;

Fig. 6 is that two handles of cylindrical-turnplate permanent magnet speed controller of the present invention concern schematic diagram in the installation site that inside and outside circle puts;

Fig. 7 is that cylindrical-turnplate permanent magnet speed controller slide block chute structure of the present invention changes the schematic diagram that is threaded into.

Fig. 8 is a cylindrical-turnplate permanent magnet speed controller slide block chute internal chute schematic diagram of the present invention;

Fig. 9 is the slide block chute slide block structure schematic diagram that cover is connected with overcoat in the cylindrical-turnplate permanent magnet speed controller of the present invention;

Figure 10 is that cylindrical-turnplate permanent magnet speed controller bearing of the present invention becomes a pair of schematic diagram by one;

Figure 11 is that cylindrical-turnplate permanent magnet speed controller of the present invention puts the schematic diagram that installs fixed frame additional at cylindrical.

Embodiment

Referring now to Figure of description, in conjunction with specific embodiments cylindrical-turnplate permanent magnet speed controller of the present invention 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 tube, when relative motion between the two, conductor tube cutting magnetic line, in the conductor tube, 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; , when moving vertically, when changing the effective length of engagement between the two, just can change the moment of torsion that transmits between the two, thereby change the rotating speed of output by bearing push-and-pull permanent magnetic rotation disc, realize the purpose of variable speed energy saving.

See Fig. 1, the utility model magnetic coupling is mainly by double-deck limit tube steel rotating disk 5 in the end and individual layer limit tube permanent magnetism body disc 10 and bearing push-pull mechanism are formed altogether;

Double-deck limit, end tube steel rotating disk 5 is connected with first 1 by swelling cover 2, first wheel 3 altogether, and first wheel 3 is connected by bolt 4 with rotating disk 5; Steel rotating disk 5 is a ferrimagnet, and outer tube 35 and internal layer tube 36 are arranged, applying outer conductor tube 9 on outer tube 35 inwalls, applying fin 29 (see figure 5)s on the outer wall; Applying inner wire tube 11 on internal layer tube 36 outer walls, applying fin 12 on the inwall;

Fin

12,29 materials are aluminium alloy or other good heat conductor materials, connect with bolt 7 between outer conductor tube 9, outer tube 35 and the fin 29; Connect with bolt 6 between inner wire tube 11, internal layer tube 36 and the fin 12; Have two row's louvres 37 on the steel rotating disk bottom surface,, give the internal and

external conductor tube

9,11 heat radiations to make things convenient for circulation of air.

Individual layer limit tube permanent magnetic rotation disc 10 is connected with axle sleeve 21 usefulness bolts 26, permanent magnetic rotation disc 10 usefulness nonferromugnetic materials are made, can be nonmagnetic material or nonmetallic materials, annular has row's installing hole 41 (see figure 2)s on the limit tube 34, a permanent magnet 28 is installed in each installing hole 41, permanent magnet magnetic extreme direction and rotating disk axis normal, and the magnetic pole of adjacent magnets is opposite, permanent magnet 28 shapes can be rectangle, fan-shaped, circular or other shapes, perforation is fixed on (see figure 3) on the limit tube 34 with bolt 27 in the middle of the permanent magnet 28.

Axle sleeve 21 connects sets up axle 20, axle sleeve 21 and set up and adopt the spline snapping between the axle 20, and axle sleeve 21 connects permanent magnetic rotation discs 10 by bolt 26; Set up axle 20 and connect second 30 by second wheel hub 38, second swelling cover 39.

Circle cover 13 in axle sleeve 21 outer being provided with, there is cylindrical cover 24 interior circle cover 13 outsides, be provided with bearing 14 between interior circle cover 13 and the axle sleeve 21, the bearing 14 inner ring left sides are fixed by the shaft shoulder on the axle sleeve 21, the right is by baffle ring 19 and nut 22 lockings, the inner circle cover 13 in the left side, bearing 14 outer ring is fixed, and the right compresses with back-up ring 17 and bolt 23.Between interior circle cover 13 and the axle sleeve 21 oil sealing is housed, guarantees the lubricated of bearing 14.Having the chute (see figure 8) on the interior circle cover 13, on the cylindrical cover 24 slide block 15 is housed, is that the chute slide block cooperates (see figure 9) between cylindrical cover 24 and the interior round cover 13.Cylindrical cover 24 is provided with second handle 32, and interior circle cover 13 is provided with first handle 31, and (see figure 6) is adjusted the relative position of first handle 31 and second handle 32, can adjust the relative position of cylindrical cover 24 and interior circle cover 13; Second handle 32 on cylindrical cover 24 is fixed with pull bar from the outside, when spurring the first handle 31 on the interior circle cover 13, circle cover 13 was along moving axially in slide block promoted, and then promote bearing 14 and axle sleeve 21 and slide setting up on the axle 20, drag permanent magnetic rotation disc 10 and endwisely slipping together, the effectively variation of length of action between the limit tube 34 of realization permanent magnetic rotation disc 10 and the internal and external conductor tube 9,11.First handle 31 drags after can connecting upper connecting rod with the part-turn electric actuator of outside, to realize automatic control.

Axle sleeve 21 is with the structure of setting up the also available square shaft of cooperation between the axle 20 or six-edged axis and so on.

Chute slide block structure on interior circle cover 13 and the cylindrical cover 24 also can become the (see figure 7) that is threaded.

Cylindrical cover 24 also can (be seen Figure 11) by being bolted on the external frame 33, substitutes and adds second handle 32 and steady brace.

Bearing 14 can become a pair of can bearing simultaneously axially and the bearing (see figure 10) of radial load by a bearing, does not influence the structure and the performance of this product.

Internal and

external conductor tube

9,11 is provided with jackscrew 8, permanent magnetic rotation disc is determined and is kept the gap to use for when assembling, should remove after assembling finishes.

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

1. cylindrical-turnplate permanent magnet speed controller, comprise coaxial first, second, it is characterized in that: first is provided with double-deck limit, common end tube steel rotating disk, and the internal layer drum outer wall is provided with the inner wire tube, outer tube inwall is provided with the outer conductor tube, and the internal and external conductor tube is an electric conducting material; Second is led to connect and sets up axle, set up axle by the spline connecting bushing, axle sleeve is provided with permanent magnetic rotation disc, permanent magnetic rotation disc is an individual layer limit tube, constitute by nonferromugnetic material, annular is installed one group of permanent magnet on the tube of limit, permanent magnet magnetic extreme direction and permanent magnetic rotation disc axis normal, adjacent magnets magnetic pole heteropole is installed relatively, and the limit tube of permanent magnetic rotation disc places between the internal and external conductor tube, the air gap that equates with the maintenance of internal and external conductor tube, circle cover in axle sleeve is provided with outward, setting up the axle outside has the cylindrical cover, cooperates for the slide block chute between cylindrical cover and the interior circle cover, cylindrical puts and is provided with second handle, and interior circle puts and is provided with first handle.

2. cylindrical-turnplate permanent magnet speed controller according to claim 1 is characterized in that: described permanent magnet shape can be fan-shaped, rectangle, ellipse or circular; Have row's installing hole on the tube of described permanent magnetic rotation disc limit, permanent magnet is located in the installing hole.

3. cylindrical-turnplate permanent magnet speed controller according to claim 2 is characterized in that: describedly set up axle and be provided with second wheel hub and the second swelling cover between second.

4. cylindrical-turnplate permanent magnet speed controller according to claim 3 is characterized in that: be provided with the first wheel and the first swelling cover between described steel rotating disk and first.

5. cylindrical-turnplate permanent magnet speed controller according to claim 4 is characterized in that: be provided with clutch shaft bearing between circle cover and the axle sleeve in described.

6. cylindrical-turnplate permanent magnet speed controller according to claim 5 is characterized in that: described first and second can input or output axle each other.

7. cylindrical-turnplate permanent magnet speed controller according to claim 6 is characterized in that: described steel rotating disk internal layer tube inner surface and outer tube outer surface are equipped with fin, and the bottom surface of steel rotating disk and permanent magnetic rotation disc is provided with louvre.

8. cylindrical-turnplate permanent magnet speed controller according to claim 7 is characterized in that: the slide block chute structure between described cylindrical cover and the interior circle cover can substitute with thread matching structure.

9. cylindrical-turnplate permanent magnet speed controller according to claim 8 is characterized in that: available external frame is replaced one of in described handle first handle and the second handle.