Disc type dual-gripper double-stator permanent magnet synchro traction machine
Technical field
The utility model relates to permanent magnetic synchronous traction machine technical field, in particular to disc type dual-gripper double-stator permanent magnet is synchronous
Traction machine.
Background technique
With science and technology, the fast development of society, the use of elevator and demand are more and more, thus permanent-magnet synchronous traction
The application of machine is also more and more extensive, and under normal conditions, in order to reduce building cost, computer room space all will not be very sufficient, and
In order to save installation space, slim permanent magnetic synchronous traction machine is more and more used.Traditional slim permanent magnetic synchronous traction machine
Usually cantilevered outer-rotor structure, the axis of cantilever design are easily led to bending shaft deformation, bearing makes by very big bending moment
It is short with the service life.In order to improve the traction capacity of traction machine, it is common practice to by the very thick of axis design and biggish bearing is selected,
Or the bearings at both ends of rotor assembly is separately mounted on the base and bracket of two sides, both the above method usually can all increase
Volume, the overall structure of traction machine are also less compact, it is therefore desirable to which the structure to traction machine optimizes, make as far as possible
The small in size of traction machine, power density are big, traction capacity is strong.
Utility model content
The technical problem to be solved by the utility model is to be directed to present in existing slim permanent magnetic synchronous traction machine not
A kind of disc type dual-gripper double-stator permanent magnet synchro traction machine is provided enough, the disc type dual-gripper double-stator permanent magnet synchro traction machine is whole
Body structure is extremely compact, and the power density and traction capacity of traction machine can be improved, and it is same that it can solve the above-mentioned slim permanent magnetism of tradition
Walk the deficiency of traction machine.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of disc type dual-gripper double-stator permanent magnet synchro traction machine, including first shell, second shell, the first stator pack
Part, the second stator module, rotor assembly, encoder and brake, the rotor assembly include brake rim, traction opinion, first forever
Magnet group and the second set of permanent magnets, together with the first shell is butted against and fixed with second shell, first stator module
It is fixedly mounted on the first shell, second stator module is fixedly mounted on the second housing;It is provided on the brake rim
Brake outer circumference surface, and when brake, the brake outer circumference surface on the brake rim is contacted with the brake friction to brake;Institute
It states the first set of permanent magnets and the second set of permanent magnets and the brake rim back is evenly arranged in staggeredly, axially with annular and the pole N, S respectively
In the first end face and second end face of backrest, axial magnetic flux, first stator module and the first set of permanent magnets phase are provided
Interaction generates torque, and second stator module and second set of permanent magnets interaction generate torque;The traction sheave
It is connect by fastener with the brake rim;The stationary part of the encoder is mounted in the second shell, the coding
The rotor portion of device is mounted on brake rim;The brake is mounted in the first shell, described in the brake friction
Brake rim brake outer circumference surface brakes.
In a preferred embodiment of the utility model, it is provided in the first shell in first axis protrusion
Heart mounting portion and the prominent periphery mounting portion of an at least first axis;It is axially projecting that one second is additionally provided in the second shell
Central mounting portion and at least one second axially projecting periphery mounting portion, the prominent center installation of first axis in the first shell
Portion docks with the second axially projecting central mounting portion in the second shell and passes through fastener and connect, in the first shell
The prominent periphery mounting portion of first axis the second axially projecting periphery mounting portion corresponding in the second shell dock and lead to
Fastener is crossed to link together.
In a preferred embodiment of the utility model, in being provided centrally with outside one and the brake for the brake rim
The coaxial cylinder support portion of periphery is provided with the first stator module accommodating chamber and second in the periphery of the cylinder support portion and determines
The first end that sub-component accommodating chamber, the first stator module accommodating chamber and the second stator module accommodating chamber pass through the brake rim
Face and second end face separate, and first stator module is accommodated in the first stator module accommodating chamber, and described second is fixed
Sub-component is accommodated in the second stator module accommodating chamber, and the cylinder support portion axis is located at the first of the first shell
On the outer circumference surface of axially projecting central mounting portion.
In a preferred embodiment of the utility model, the cylinder support portion of the brake rim passes through inner bearing and outer shaft
It holds axis to be located on the outer circumference surface of the prominent central mounting portion of first axis of the first shell, the inner bearing and outer bearing point
The bearing plate and bearing (ball) cover progress axial limiting on inside and outside end not by being fixed on the cylinder support portion, the volume
The rotor portion of code device is mounted on the bearing (ball) cover.
In a preferred embodiment of the utility model, first stator module include the first stator core assemblies and
Several the first windings of phase, are provided with several first winding slots on first stator core assemblies, several phases first around
Group is wound on respectively in corresponding first winding slot;Second stator module includes the second stator core assemblies and several second
Winding, is provided with several second winding slots on second stator core assemblies, and several second windings are wound on respectively
In corresponding second winding slot;The internal diameter of first stator core assemblies, outer diameter, thickness, the flute profile of the first winding slot, first
Internal diameter, outer diameter, the thickness, the flute profile of the second winding slot, the second coiling of the size of winding slot and second stator core assemblies
The size of slot is identical or not identical;In the first winding of several phases and second stator module in first stator module
Several the second windings of phase radially arrange by corresponding arrangement or 360 degree of the circumference interior any angles that are staggered.
The first winding of several phases and institute in a preferred embodiment of the utility model, in first stator module
Winding classification, winding mode, the line footpath of enameled wire, the number of turns for stating the second winding of several phases in the second stator module are identical or not
Together.
In a preferred embodiment of the utility model, unipolarity permanent magnet quantity in first set of permanent magnets and
The permanent magnet quantity of identical polar is identical or not identical in second set of permanent magnets.
Permanent magnet and the second permanent magnet in a preferred embodiment of the utility model, in first set of permanent magnets
The permanent magnet of identical polar arrangement corresponding in the axial direction or any angle arrangement that is staggered in 360 degree of circumference in group.
Permanent magnet and the second permanent magnet in a preferred embodiment of the utility model, in first set of permanent magnets
The length size of permanent magnet in group is identical or different.
In a preferred embodiment of the utility model, first set of permanent magnets is inside and outside with the annulus of annular array
Diameter is identical or not identical with the inside and outside diameter of the annulus of annular array as second set of permanent magnets.
In a preferred embodiment of the utility model, the traction sheave and the brake rim are separately manufactured or be cast as
One.
The utility model compares with prior art, and effect is it will be evident that manufacture actively and relative to prior art
Slim permanent magnetic synchronous traction machine only has a set of stator module and the corresponding effect of set of permanent magnets, and traction capacity is restricted.This reality
There are two sets of stator modules and set of permanent magnets difference corresponding with the disc type dual-gripper double-stator permanent magnet synchro traction machine of novel offer
Effect, substantially increases the power density and traction capacity of traction machine.
Detailed description of the invention
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the sectional view of the utility model disc type dual-gripper double-stator permanent magnet synchro traction machine.
Fig. 2 is the partial structurtes enlarged cross-sectional view of the utility model embodiment.
Fig. 3 is the enlarged cross-sectional view that the encoder of the utility model embodiment is installed.
Fig. 4 is the structure chart of the utility model disc type dual-gripper double-stator permanent magnet synchro traction machine.
Fig. 5 is the structure chart of the first shell of the utility model embodiment.
Fig. 6 is the structure chart of the second shell of the utility model embodiment.
Fig. 7 is the sectional view of first stator module of the utility model embodiment.
Fig. 8 is the structure chart of first stator module of the utility model embodiment.
Fig. 9 is the sectional view of the rotor assembly of the utility model embodiment.
Figure 10 a is the rotor assembly of the utility model embodiment from the structure chart in terms of a direction.
Figure 10 b is the rotor assembly of the utility model embodiment from the structure chart in terms of another direction.
Figure 11 is the sectional view of the bearing (ball) cover of the utility model embodiment.
Figure 12 is the structure chart of the bearing (ball) cover of the utility model embodiment.
Figure 13 is the structure chart of the encoder of the utility model embodiment.
Figure 14 is the schematic diagram of permanent magnet magnetizing direction phase inverse correspondence arrangement.
Figure 15 is the schematic diagram of the identical corresponding arrangement of permanent magnet magnetizing direction.
Figure 16 be permanent magnet be staggered any angle arrangement schematic diagram.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to Fig. 1 to Figure 16, disc type dual-gripper double-stator permanent magnet synchro traction machine shown in figure, by first shell 100,
The groups such as second shell 200, the first stator module 300, the second stator module 400, rotor assembly, brake 500, encoder 600
At.
The prominent central mounting portion 120 of a first axis and the prominent periphery of a first axis are provided in first shell 100
Mounting portion 130.
One second axially projecting central mounting portion 210 and one second axially projecting periphery are provided in second shell 200
Mounting portion 220.
In the present embodiment, the first stator module 300 is fixedly mounted on the corresponding peace of first shell 100 by bolt 310
In dress portion, the second stator module 400 is fixedly mounted on the corresponding mounting portion of second shell 200 by bolt 410.
First stator module 300 includes the first stator core assemblies 320, the first winding 330.Second stator module 400 packet
Include the second stator core assemblies 420, the second winding 430.In the present embodiment, the second stator core of the second stator module 400
Component 420, the size of the second winding 430 and structure respectively with the first stator core assemblies 320 of the first stator module 300,
The size of one winding 330 is identical with structure.Each phase the first winding 330 of first stator module 300 and the second stator module 400
Each the second winding of phase 430 arrangement corresponding in the axial direction.
Rotor assembly includes brake rim 710, traction sheave 720, the first set of permanent magnets 730, the second set of permanent magnets 740, inner shaft
Hold 750, outer bearing 760, bearing plate 770, bearing (ball) cover 780.
Several permanent magnets 731 of first set of permanent magnets 730 and several permanent magnets 741 of the second set of permanent magnets 740 are by N, S
Pole interlocks, annular, is axially arranged in the back-to-back first end face 711 of brake rim 710 and second end face 712, the first permanent magnetism
Several permanent magnets 731 of body group 730 and several permanent magnets 741 of the second set of permanent magnets 740 correspond to arrangement in the axial direction and magnetize
Direction is identical, provides axial magnetic flux, several permanent magnets 731 of the first set of permanent magnets 730 and the second set of permanent magnets 740 it is several forever
The quantity of magnet 741, size, the annulus internal-and external diameter that is circular layout are all the same.
Brake rim 710 is provided with a brake outer circumference surface 713, a cylinder support portion 714, is arranged in cylinder support portion 714
Periphery the first stator module accommodating chamber 715 and the second stator module accommodating chamber 716,715 He of the first stator module accommodating chamber
Second stator module accommodating chamber 716 is separated by the first end face 711 and second end face 712 of brake rim, the first stator module 300
It is accommodated in the first stator module accommodating chamber 715, the second stator module 400 is accommodated in the second stator module accommodating chamber 716
Interior, the first set of permanent magnets 730 arrangement corresponding with the first stator module 300 simultaneously interacts and generates torque, the second set of permanent magnets
740 arrangements corresponding with the second stator module 400 simultaneously interact and generate torque.
After the completion of first set of permanent magnets 730 and the second set of permanent magnets 740, traction sheave 720 is mounted on brake using bolt 717
Corresponding mounting portion on vehicle drum 710.
Cylinder support portion 714 in brake rim 710 is mounted on first shell 100 by inner bearing 750, outer bearing 760
On the outer circumference surface of the prominent central mounting portion 120 of first axis, cylinder support portion 714 and first shell 100 in brake rim 710
The prominent central mounting portion 120 of first axis between pass through the axis gear that is arranged on the prominent central mounting portion 120 of first axis
Circle 790 carries out axial limiting.
Bearing plate 770, bearing (ball) cover 780 are fixed on the support of the cylinder in brake rim 710 by bolt 771,781 respectively
The inside and outside end in portion 714, wherein bearing plate 770 limits the axial position of inner bearing 750, and bearing (ball) cover 780 is to outer bearing
760 axial position is limited.
Encoder 600 includes encoder stationary part 610, encoder rotor part 620, and encoder stationary part 610 is pacified
On corresponding mounting portion in first shell 100, encoder rotor part 620 is mounted on corresponding on bearing (ball) cover 780
Mounting portion.
So far, first shell 100, the first stator module 300, rotor assembly, shaft block ring 790 and encoder rotor part
620 etc. have collectively constituted the first big component, and second shell 200, the second stator module 400, encoder stationary part 610 etc. are common
Constitute the second largest component.
Finally, by the prominent central mounting portion 120 of first axis in first shell 100 and second in second shell 200
Axially projecting central mounting portion 210 docks blending bolt 810 and connects, by the prominent periphery peace of first axis in first shell 100
Blending bolt 820 is docked with the second axially projecting periphery mounting portion 220 in second shell 200 and is connect in dress portion 130.It again will braking
Device 500 is mounted on corresponding mounting portion in first shell 100, that is, completes the disc type dual-gripper double-stator permanent magnet of the present embodiment
Synchro traction machine.
The disc type dual-gripper double-stator permanent magnet synchro traction machine that present embodiment is completed, first shell 100 and second
Shell 200 supports rotor assembly, the first stator module 300 and the corresponding arrangement of the first set of permanent magnets 730 jointly and interacts
It generates torque, the second stator module 400 and the corresponding arrangement of the second set of permanent magnets 740 and interacts and generate torque, dual-gripper
Keep overall structure more firm, reliable, bimorph transducer improves power density and traction capacity.
It is worth noting that, the first stator core assemblies 320 in present embodiment in the first stator module 300
Slot number is identical with the slot number of the second stator core assemblies 420 in the second stator module 400, each phase of the first stator module 300
First winding 330 is identical with winding mode with the winding classification of the second winding of each phase 430 in the second stator module 400, and first
The second winding of each phase 430 in each phase the first winding 330 and the second stator module 400 of stator module 300 corresponds in the axial direction
It arranges, the second stator core in the first stator core assemblies 320 and the second stator module 400 in the first stator module 300
All the same, first winding of each phase of the first stator module 300 such as internal diameter, outer diameter, thickness and the flute profile of component 420, slot size
330 and second winding mode of the second winding of each phase 430 of stator module 400, line footpath, the number of turns of enameled wire it is also identical.In fact,
The size and structure of corresponding two parts of each group of above-mentioned first stator module 300 and the second stator module 400 can also be with
Difference, corresponding two parts of above-mentioned each group are identical size in the present embodiment and structure is intended merely to draw and summary side
Just.
Equally, several first permanent magnets 731 of the first set of permanent magnets 730 and the second set of permanent magnets 740 in the present embodiment
Quantity, the length size of several second permanent magnets 741 etc. are all the same, several first permanent magnets 731 and several second permanent magnetism
Body 741 is also identical with the inside and outside diameter of the annulus of annular array, and several first permanent magnets 731 of the first set of permanent magnets 730 and second are forever
Several second permanent magnets 741 of the identical polar of magnet group 740 arrangement corresponding in the axial direction (axial charging direction is identical).Its
It is real, several first permanent magnets 731 of above-mentioned first set of permanent magnets 730 and several second permanent magnets 741 of the second set of permanent magnets 740
Quantity, length size etc. can not be identical, several first permanent magnets 731 and several second permanent magnets 741 are with ring row
The inside and outside diameter of the annulus of column can not also be identical, several first permanent magnets 731 of the first set of permanent magnets 730 and the second set of permanent magnets
Several second permanent magnets 741 of 740 identical polar, which can correspond to arrangement in the axial direction or be staggered in 360 degree of circumference, appoints
Angle of anticipating arrangement, Figure 14 and Figure 15 are several first permanent magnets 731 and the second set of permanent magnets 740 of the first set of permanent magnets 730
Reversed in the axial direction and corresponding arrangement in the same direction the two kinds of schematic diagrames of several second permanent magnets 741 of identical polar, Figure 16 first
Several second permanent magnets 741 of the identical polar of several first permanent magnets 731 and the second set of permanent magnets 740 of set of permanent magnets 730
The schematic diagram of any angle that is staggered in the axial direction arrangement.
In present embodiment, brake rim 710 and traction sheave 720 are two individual parts so that it is convenient to traction sheave
720 later period replacement, it is of course also possible to which brake rim 710 and traction sheave 720 are cast integrally formula.
Further, in present embodiment, the first stator module 300 and the interaction of the first set of permanent magnets 730
Torque is generated, the second stator module 400 and the interaction of the second set of permanent magnets 740 generate torque;First stator module 300 and
Two stator modules 400 can be powered load simultaneously, and can also individually be powered load, each stator module can drive rotor
Component rotation.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.