CN208063023U - Large torque external rotor electric machine - Google Patents
Large torque external rotor electric machine Download PDFInfo
- Publication number
- CN208063023U CN208063023U CN201820208875.4U CN201820208875U CN208063023U CN 208063023 U CN208063023 U CN 208063023U CN 201820208875 U CN201820208875 U CN 201820208875U CN 208063023 U CN208063023 U CN 208063023U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- outer rotor
- disk
- bearing
- electric machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of large torque external rotor electric machines, mandrel is equipped with the first bearing positioned at stator side, after first outer rotor is mounted in first bearing, first outer rotor is looped around around stator, magnet steel is mounted on the inner peripheral surface of the first outer rotor, and second bearing is arranged on mandrel and positioned at the other side of stator；Frictional disk is fixedly connected after being mounted in second bearing with one end of the first rotor；Electromagnetic brake is arranged on mandrel, and breaking force is generated when electromagnetic brake is combined with frictional disk；Reduction gearing mechanism is arranged on mandrel, and the input terminal of reduction gearing mechanism is fixedly connected with the other end of the first outer rotor；Second outer rotor is looped around around the first outer rotor, and mandrel is equipped with 3rd bearing, and one end of the second outer rotor connect with 3rd bearing, is toothed around on the inner peripheral surface of the second outer rotor, and the gear teeth are engaged with the output end of reduction gearing mechanism.The utility model has the advantages that safe and reliable and output torque is big.
Description
Technical field
The utility model is related to motor fields, more particularly to large torque external rotor electric machine.
Background technology
With becoming increasingly popular for the electric vehicles such as electric vehicle, drive the wheel hub motor of hub rotation extensive by motor
Application band electric vehicle and other rotational structures, but the function of some wheel hub motors be only limitted to drive hub rotation, inside
Without containing electromagnetic brake, do not have electromagnetic brake function.
Patent announcement number is that the patent of CN202121438U discloses a kind of wheel hub motor, it is fixed by rotor, motor
Son, motor shaft, electric motor end cap four are most of to be constituted, and motor down-lead is arranged on motor stator；Electromagnetic braking is set in wheel hub motor
Device, electromagnetic brake are made of electromagnetic brake movable plate and electromagnetic brake stator；Electromagnetic brake movable plate is with electric motor end cap
Electromagnetic brake lead is arranged on electromagnetic brake for integrally connected；Motor down-lead goes out, electromagnetic system from one end punching of motor shaft
Dynamic device lead goes out from the other end punching of motor shaft, and the outside of wheel hub motor directly wraps up tire and constitutes driving wheel entirety.
In above-mentioned wheel hub motor, electromagnetic brake stator is fixed on motor shaft, when being powered to electromagnetic brake, electromagnetism
Brake movable plate is attracted with electromagnetic brake stator, is rubbed to make electromagnetic brake movable plate be formed with electromagnetic brake stator,
And electromagnetic brake movable plate is fixed together with electric motor end cap, therefore, electric motor end cap is slowed down, and then is made solid with electric motor end cap
Fixed rotor is braked.
Tire is directly wrapped up for the outside of above-mentioned wheel hub motor and constitutes driving wheel entirety, in this way, rotor rotates
When, the output of torque is directly formed, however, the torque that this structure is exported is the rotary magnetic to be generated between stator and magnet steel
Field is come what is determined, and therefore, the output torque of the wheel hub motor of this structure is small.
Invention content
The purpose of this utility model is to provide a kind of large torque external rotor electric machine, the utility model have it is safe and reliable and
The big feature of output torque.
The technical solution for solving above-mentioned technical problem is as follows：
Large torque external rotor electric machine, including mandrel, stator, magnet steel and the first outer rotor with cavity, stator are fixed
On mandrel, mandrel is equipped with the first bearing positioned at stator side, after the first outer rotor is mounted in first bearing, outside first
Rotor is looped around around stator, and magnet steel is mounted on the inner peripheral surface of the first outer rotor, further includes：
It is arranged on mandrel and positioned at the second bearing of the stator other side；
Frictional disk, the frictional disk are fixedly connected after being mounted in second bearing with one end of the first rotor；
The electromagnetic brake being arranged on mandrel, the electromagnetic brake generate breaking force when being combined with frictional disk；
The other end of the reduction gearing mechanism being arranged on mandrel, the input terminal of reduction gearing mechanism and the first outer rotor is solid
Fixed connection；
The second outer rotor being looped around around the first outer rotor, the mandrel are equipped with 3rd bearing, the second outer rotor
One end is connect with 3rd bearing, is toothed around on the inner peripheral surface of the second outer rotor, the output end of the gear teeth and reduction gearing mechanism
Engagement.
Said program is used, when the first outer rotor rotates, the first outer rotor drives sun gear rotation, sun gear to drive
Planetary gear spinning roller, planetary gear drive the rotation of the second outer rotor, in this way, the torque of the first outer rotor output passes through epicyclic transmission mechanism
It is transmitted to the second outer rotor, it is thus evident that the torque exported from the second outer rotor is more than the torque that the first outer rotor exports.And
After being provided with electromagnetic brake on mandrel, user can as needed brake motor, and motor, which thus can be improved, to be made
With safety in the process.
When electromagnetic brake uses powerless magnetic brake, and powerless magnetic brake is powered, generated by magnetizing coil
Magnetic field friction plate generated be attracted active force, which overcomes the active force of the second elastomeric element, make friction plate with
Frictional disk detaches, and at this time if the coil on stator obtains electricity, the first outer rotor can be driven to rotate.When powerless magnetic brake is disconnected
When electric, magnetizing coil loses the effect for generating magnetic field, and to friction plate, there is no be attracted active force, of the second elastomeric element release
Power makes friction plate be combined or be supported with frictional disk, between frictional disk and friction plate generate friction force to frictional disk into
Row braking, and then make to obtain breaking force with fixed first outer rotor of frictional disk, it is applicable in this case to equipment (example
Such as wheelchair) braking or parking.It can thus be seen that the utility model is in the field of some needs formulations or parking
It closes, since dead electricity magnetic brake not only can play the role of brake under artificially control power failure state to equipment, and for
Under running conditions, unexpected dead electricity also can be braked automatically external rotor electric machine equipment (such as wheelchair) suddenly, therefore this reality
Safety of the equipment in dead electricity is helped to improve with novel external rotor electric machine.
Description of the drawings
Fig. 1 is the outline structural diagram for the external rotor electric machine that the dead electricity of the utility model is braked；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is that the schematic diagram after the second outer rotor and wheel hub is concealed on the basis of Fig. 1；
Fig. 4 is after hiding reduction gearing mechanism on the basis of Fig. 3 and from the schematic diagram of another direction observation chart 3；
Fig. 5 is the cross-sectional view of Fig. 4；
Fig. 6 is the structural schematic diagram of the frictional disk in the utility model；
Fig. 7 is the dimensional structure diagram of yoke in the utility model；
Dimensional structure diagrams of the Fig. 8 for yoke in the utility model in another direction；
Fig. 9 is a kind of schematic diagram of preferred embodiment of the manual releasing mechanism in the utility model；
Figure 10 is the structural schematic diagram of the release disk in Fig. 6；
Figure 11 is the structural schematic diagram of the pivoted housing in Fig. 6；
Figure 12 is the structural schematic diagram of the epicyclic transmission mechanism in the utility model；
1 is mandrel, and 2 be stator, and 3 be magnet steel, and 4 be the first outer rotor, and 5 be first bearing, and 6 be second bearing, and 7 be friction
Disk, 7a are resigning groove, and 8 be stop collar, and 9 be yoke, and 9a is first through hole, and 9b is mounting hole, and 9c is ring set, and 9d is assembly cavity
Body, 9e are fourth bearing, and 10 be friction plate, and 11 be connecting component, and 12 be axial limiting component, and 13 be receiving cavity, and 14 be spiral shell
Mother, 15 be the first elastomeric element, and 16 be release disk, and 16a is through-hole, and 16b is the first groove, and 16c is the second through-hole, and 17 be to turn
Set, 17a are to support block, and 18 be handle, and 19 be switch, and 20 be tabletting, and 21 be the second outer rotor, and 22 be 3rd bearing, and 23 is too
Sun wheel, 23a is terminal pad, and 24 be planet carrier, and 24a is axis, and 25 be planetary gear, and 26 be wheel hub.
Specific implementation mode
As shown in Figures 1 to 12, the large torque external rotor electric machine of the utility model, including mandrel 1, stator 2, magnet steel 3 with
And the first outer rotor 4 with cavity, it is arranged on mandrel 1 and is located at the second bearing 6 of 2 other side of stator, frictional disk 7, sets
Set the electromagnetic brake on mandrel 1, the reduction gearing mechanism being arranged on mandrel, be looped around around the first outer rotor second
Outer rotor 21, below the structure to every part and between them be described in detail：
As shown in Figure 2 and Figure 5, stator 2 is fixed on mandrel 1, and stator 2 is equipped with winding, and mandrel 1, which is equipped with, is located at stator
The first bearing 5 of 2 sides, after the first outer rotor 4 is mounted in first bearing 5, the first outer rotor 4 is looped around around stator 2,
Magnet steel 3 is mounted on the inner periphery wall surface of the first outer rotor 4.
As shown in Figure 2 and Figure 5, the axle body of mandrel 1 is equipped with first shaft shoulder and second shaft shoulder, and one end of first bearing 5 is logical
The first shaft shoulder axial limiting is crossed, one end of second bearing 6 passes through the second shaft shoulder axial limiting.Frictional disk 7 is mounted on second bearing 6
It is fixedly connected with the first rotor 4 after upper, frictional disk 7 is fixedly connected by screw with the first rotor 4, when to the winding on stator 2
It is powered, rotating excitation field is generated between stator and magnet steel 3, when the first outer rotor 4 being made to rotate, the first outer rotor 4 is with dynamic friction
Disk 7 rotates.
As shown in Figure 2 and Figure 5, breaking force is generated when electromagnetic brake is combined with frictional disk 7, in present embodiment
In, electromagnetic brake preferentially uses powerless magnetic brake, powerless magnetic brake to be combined with the frictional disk 7 in dead electricity,
It is braked under the friction force that frictional disk 7 generates between powerless magnetic brake and the frictional disk 7, and then makes and rub
7 fixed first outer rotor 4 of disk obtains breaking force, and to stop operating with the first outer rotor 4, powerless magnetic brake exists
It is detached with frictional disk 7 when obtaining electric.
The structure of preferred powerless magnetic brake is described in detail below：In one or more embodiments, it loses
Electric electromagnetic brake includes：The yoke 9 being fixed on mandrel, the friction plate 10 being combined with frictional disk in dead electricity, connection
Component 11, axial limiting component 12, the second elastomeric element, the relationship of each component is as follows in powerless magnetic brake：
As shown in figure 5, yoke 9 is equipped with centre bore, yoke 9 is sleeved on mandrel 1 and is circumferentially fastened as a whole with mandrel 1,
Preferably, yoke 9 is carried out with mandrel 1 by key circumferentially fixed.The axial direction of yoke 9 is restricted, it is preferable that in yoke 9 and
Between two bearings 6, it is equipped with stop collar 8,8 empty set of stop collar on mandrel 1, supported by one end and the second bearing 6 of stop collar 8
Top, the other end and the one end of yoke 9 towards friction plate 10 of stop collar 8 are supported, and nut 14, magnetic are fixed on mandrel 1
The other end of yoke 9 is supported with nut 14, to which yoke 9 and second bearing 6 obtain axial limiting.
As shown in Fig. 5, Fig. 7 and Fig. 8, yoke 9 is equipped with magnetizing coil (not shown), and yoke 9 is towards friction plate 10
Axial end face on formed receiving cavity 13, the magnetizing coil be mounted on the receiving cavity in.Yoke 9 is equipped with first through hole
9a, first through hole 9a are passed through for connecting component 11.Mounting hole 9b is additionally provided in yoke 9, mounting hole 9b is for installing second
Elastomeric element.
As shown in Figure 5 and Figure 6, on mandrel 1, one end of connecting component 11 is connect 10 empty set of friction plate with friction plate, even
The other end of relay part 11 passes through the first through hole 9a being arranged in yoke 9, connecting component 11 and first through hole 9a clearance fits, this
Sample, connecting component 11 can be along the axial movements of first through hole 9a, in order to make the friction plate being connect with connecting component 11 10
It can be axially moved.Axial end face of the frictional disk 7 towards friction plate 10 is equipped with resigning groove 7a, the connecting component 11
The end being connect with friction plate 10 is located in resigning groove 7a, that is, the end of connecting component 11 be across friction plate 10, it is excellent
Selection of land, one end that connecting component 11 is connect with friction plate 10 be equipped with screw thread, and friction plate 10 be equipped with screw hole, connecting component 11 with
Friction plate 10 is fixedly connected by screw thread.
As shown in figure 5, the other end of the axial limiting component 12 with connecting component 11 across the first through hole 9a is fixed, axis
Can be global formation to limiting component 12 and connecting component 11, with the radial protrusion formed in the other end of connecting component 11
Portion.Axial limiting component 12 can also be a stop nut, which is threadedly coupled with connecting component 11, in this feelings
Under condition, connecting component 11 is a double threaded screw.
As shown in Figure 5, Figure 7, one end of the second elastomeric element be mounted on yoke 9 on, the other end of the second elastomeric element with
Friction plate 10 is supported.Second elastomeric element is located in the mounting hole 9b in yoke 9, and mounting hole 9b can be blind hole, at this moment, second
Elastomeric element is supported with yoke 9.Mounting hole 9b can also be through-hole, and a plug, the second elastomeric element are connected in the through-hole
It is supported with plug, plug can be screwed plug, and mounting hole 9b is threaded hole, and plug is threaded in mounting hole 9b
In, it can adjust tension power of second elastomeric element to friction plate 10 by adjusting plug.In one or more embodiments
In, the second elastomeric element preferably uses spring.
The course of work of powerless magnetic brake is：When powerless magnetic brake is powered, generated by magnetizing coil
Magnetic field generates friction plate 10 and is attracted active force, which overcomes the active force of the second elastomeric element, make friction plate 10
It is detached with frictional disk 7, at this time if the coil on stator 2 obtains electricity, the first outer rotor 4 can be driven to rotate.When dead electricity electromagnetic system
When dynamic device power-off, magnetizing coil loses the effect for generating magnetic field, and to friction plate 10, there is no be attracted active force, the second elastomeric element
The tension of release makes friction plate 10 be combined or be supported with frictional disk 7, makees to generate friction between frictional disk 7 and friction plate 10
Firmly frictional disk 7 is braked, and then makes to obtain breaking force with 7 fixed first outer rotor 4 of frictional disk.
However when due to dead electricity, although powerless magnetic brake generates friction force with frictional disk 7 can play formulation
Or the effect of parking still under power failure state, makes equipment (such as wheelchair) pass through its movement of manual actuation if necessary
(wheelchair cannot be parked in highway center), if in the case where no electricity supplements, user can not just release dead electricity electromagnetic system
Dynamic combination between device and frictional disk 7, so as to cause equipment cannot (such as wheelchair) manually drive its movement.Therefore, as
The further scheme of the utility model, the one end of the powerless magnetic brake far from frictional disk 7 are equipped with and drive mistake in dead electricity
The manual releasing mechanism that electric electromagnetic brake is detached with frictional disk 7 is made powerless magnetic brake and is rubbed by manual releasing mechanism
After wiping the separation of disk 7, frictional disk 7 is no longer influenced by limitation, to which the first outer rotor 4 can rotate under manual actuation effect, in this way,
So that equipment is passed through manual actuation, it is moved.
As shown in Figure 5 and Figure 8, yoke 9 is equipped with ring set 9c away from the axial end face of friction plate 10, in ring set 9c and yoke
Assembly cavity 9d is formed between 9, at least part of the manual releasing mechanism is located in assembly cavity 9d, at one or more
In a specific embodiment, manual releasing mechanism includes：
As shown in Fig. 5, Fig. 9 to Figure 11, the release disk 16 and sky that there is through-hole 16a and connect with powerless magnetic brake
The pivoted housing 17 being sleeved on mandrel, release disk 16 are located in assembly cavity 9d, and the axial end face of release disk 16 is equipped with the first groove
16b, the first groove 16b are preferentially set on release axial end face of the disk 16 towards yoke 9.It is being additionally arranged manual releasing mechanism
Afterwards, connecting component 11 needs to fix with axial limiting component 12 after release disk 16, i.e., axial limiting component 12, which is limited in, releases
Sale at reduced prices 16 away from the axial end face of yoke 9 on, to make manual releasing mechanism and powerless magnetic brake form connection.Release
Disk 16 is equipped with the second through-hole 16c, and the second through-hole 16c is stepped hole, connecting component 11 pass through after the second through-hole 16c with axial limit
Position component 12 is fixed.
As shown in Fig. 5, Fig. 9 to Figure 11, the first elastomeric element 15, first elastic portion are equipped on powerless magnetic brake
After one end of part 15 is supported with manual releasing mechanism, which is stretched in manual releasing mechanism and dead electricity electromagnetic system
Between dynamic device.First elastomeric element 15 preferentially uses spring, the first elastomeric element 15 to be sleeved in connecting component 11, the first elastic portion
15 one end of part position supported in the second through-hole 16c and with the step surface of the second through-hole 16c, the other end of the first elastomeric element 15 and
Axial limiting component 12 is supported, since the first elastomeric element 15 has elastic acting force, the first elastomeric element 15 is tensioned
Between manual releasing mechanism and powerless magnetic brake, to make release disk 16 be in stress.
As shown in Fig. 5, Fig. 9 to Figure 11, one end of pivoted housing 17 passes through the through-hole 16a of release disk, and the other end of pivoted housing 17 is extremely
It is set less there are one block 17a is supported along what the pivoted housing radially extended, supports setting of 17 clearance fit of block in release disk 16 and yoke 9
Between the axial end face of ring set 9c, the part for supporting block 17a is embedded into the first groove 16b, the first groove 16b
Surface be arcwall face, the surface for supporting block 17a be arcwall face.Further optimal design-aside, it is solid on pivoted housing 17
Surely a handle 18 is connected, in order to which pivoted housing 17 can be rotated by handle 18 at any time.
As shown in figs. 5 and 9, pivoted housing 17 is rotated by handle 18, makes supporting block 17a and releasing for the first groove of disengaging 16a
The axial end face of sale at reduced prices 16 is supported, to push release disk 16 and powerless magnetic brake along the axial displacement of mandrel 1, the process
In, the transmittance process of power is：Release disk 16 imparts power to axial limiting component 12 by the first elastomeric element 15, axial
Limiting component 12 imparts power to connecting component 11, to which connecting component 11 is moved axially with movable friction plate 10, and then makes to rub
Pad 10 is detached with frictional disk 7.
As shown in figure 9, further including the controller (not shown) of a switch 19 and control motor work, switch 19
It is electrically connected with the controller, switch 19 is fixed on release disk 16, and switch 19 is equipped with tabletting 20, the week of the tabletting 20 and pivoted housing 17
It supports in face.Preferably, the circumferential surface of pivoted housing 17 is made of arc surface and scarf, wherein tabletting 20 is supported with scarf.If electric
There is electricity in source (battery), but equipment (such as wheelchair) needs to travel by artificially manual actuation, at this moment, is released by rotation manual
The pivoted housing 17 of mechanism, pivoted housing 17 applies pressure in rotation to tabletting 20, and to which switch 19 is switched on, controller obtains switch and connects
After logical signal, power supply of the controller deenergization to external rotor electric machine, to ensure that external rotor electric machine is not at electrically driven (operated) work
Make state, thus can safely and reliably manual driving device work.
As shown in Fig. 2, Fig. 3 and Figure 12, reduction gearing mechanism be arranged on mandrel 1, the input terminal of reduction gearing mechanism with
The other end of first outer rotor 4 is fixedly connected；The mandrel 1 is equipped with 3rd bearing 22, one end of the second outer rotor 21 and the
Three bearings 22 connect, and fourth bearing 9e is equipped on the outer circumference surface of the ring set 9c of yoke 9, and the other end of the second outer rotor 21 is pacified
On fourth bearing 9e, it is toothed around on the inner peripheral surface of the second outer rotor 21, the output end of the gear teeth and reduction gearing mechanism
Engagement.
As shown in figure 12, the reduction gearing mechanism preferentially uses epicyclic transmission mechanism, and epicyclic transmission mechanism includes the sun
Wheel 23, planet carrier 24, planetary gear 25,23 empty set of sun gear on mandrel 1, with the first outer rotor 4 fix by one end of sun gear
Connection, one end that sun gear 23 is connect with the first outer rotor 4 are equipped with terminal pad 23a, and terminal pad 23a is preferentially used and sun gear
23 integrally formed modes, terminal pad 23a are fixedly connected with the first outer rotor 4.Planet carrier 24 is fixed on mandrel 1, planet carrier
24 one end towards the first outer rotor 4 are equipped with axis 24a, are provided with bearing on axis 24a, planetary gear 25 is rotatably mounted to planet
On the axis 24a of frame 24, planetary gear 25 is engaged with sun gear 23, planetary gear 25 also with the gear teeth on 21 inner peripheral surface of the second outer rotor
Engagement.
As shown in Figure 2 and Figure 5, when the first outer rotor 4 rotates, the first outer rotor 4 drives sun gear 23 to rotate, sun gear
23 drive 25 spinning roller of planetary gear, planetary gear 25 to drive the rotation of the second outer rotor 21, in this way, the torque of the first outer rotor 4 output is logical
It crosses epicyclic transmission mechanism and is transmitted to the second outer rotor 21, it is thus evident that the torque exported from the second outer rotor 21, which is more than outside first, to be turned
The torque of 4 output of son.
For the external rotor electric machine of the utility model, wheel hub 26 can be installed on the second outer rotor 4, tire is installed
On wheel hub 26, to form powered wheel.
The present invention is not limited to the above embodiments, such as：
1, electromagnetic brake can also use to obtain electric electromagnetic brake in addition to using powerless magnetic brake.
2, the manual releasing mechanism and above-mentioned implementation the difference is that：It discharges and first groove be not set on disk 16
16a, but it is located at yoke towards the second groove, i.e. the second groove is equipped on the axial end face for supporting block in powerless magnetic brake
On the axial end face of 9 setting ring set 9c, rotation pivoted housing 17 makes the block 17a that supports of the second groove of disengaging squeeze 16 axial position of release disk
It moves, release disk 16 drives the powerless magnetic brake connected with the release disk to be detached with frictional disk.Remaining of manual releasing mechanism
Structure is identical as the above embodiment, and details are not described herein.
3, it is rectangular-shaped to support block 17a, which is at least by chamfered there are two angle
Angle, chamfered can be chamfer processing, can also be rounded corner processing.The shape of first groove 16b and support block 17a tables
Face shape is coincide.Or support the surface of block 17a and can also be spherical, the surface of the first groove is also spherical.
4, for reduction gearing mechanism in addition to using planetary gear speed reducing mechanism, reduction gearing mechanism can also be gear, and the gear is empty
It being sleeved on mandrel 1, one end of gear is fixedly connected with the first outer rotor 4, and rack gear is fixed on the internal face of the second outer rotor,
The gear teeth on gear ring are arranged on the inner periphery wall surface of gear ring, and gear is engaged with gear ring.
Claims (10)
1. large torque external rotor electric machine, including mandrel, stator, magnet steel and the first outer rotor with cavity, stator are fixed on
On mandrel, mandrel is equipped with the first bearing positioned at stator side, after the first outer rotor is mounted in first bearing, turns outside first
Subring is wound on around stator, and magnet steel is mounted on the inner peripheral surface of the first outer rotor, which is characterized in that further includes：
It is arranged on mandrel and positioned at the second bearing of the stator other side；
Frictional disk, the frictional disk are fixedly connected after being mounted in second bearing with one end of the first rotor；
The electromagnetic brake being arranged on mandrel, the electromagnetic brake generate breaking force when being combined with frictional disk；
The other end of the reduction gearing mechanism being arranged on mandrel, the input terminal of reduction gearing mechanism and the first outer rotor, which is fixed, to be connected
It connects；
The second outer rotor being looped around around the first outer rotor, the mandrel are equipped with 3rd bearing, one end of the second outer rotor
It connect with 3rd bearing, is toothed around on the inner peripheral surface of the second outer rotor, the gear teeth are engaged with the output end of reduction gearing mechanism.
2. large torque external rotor electric machine according to claim 1, it is characterised in that：The electromagnetic brake is dead electricity electromagnetism
Brake, the powerless magnetic brake are combined in dead electricity with the frictional disk, and frictional disk rubs in powerless magnetic brake and this
It wipes and is braked under the friction force generated between disk, powerless magnetic brake is detached when obtaining electric with frictional disk.
3. large torque external rotor electric machine according to claim 2, it is characterised in that：The powerless magnetic brake is separate to rub
One end of wiping disk, which is equipped with, drives the manual releasing mechanism that powerless magnetic brake is detached with frictional disk in dead electricity.
4. large torque external rotor electric machine according to claim 3, it is characterised in that：The is equipped on powerless magnetic brake
One elastomeric element, after one end of first elastomeric element is supported with manual releasing mechanism, which is stretched in manually
Between releasing mechanism and powerless magnetic brake.
5. large torque external rotor electric machine according to claim 3, it is characterised in that：Yoke deviates from the axial end face of friction plate
It is equipped with ring set, forms assembly cavity between ring set and yoke, at least part of the manual releasing mechanism is located at the dress
With in cavity.
6. the large torque external rotor electric machine according to claim 3 to 5 any one, it is characterised in that：Manual releasing mechanism
Including：The release disk being connect with through-hole and with powerless magnetic brake, the axial end face for discharging disk are equipped with the first groove；
Pivoted housing of the empty set on mandrel, one end of pivoted housing pass through the through-hole of release disk, and the other end of pivoted housing is at least provided with an edge
What the pivoted housing radially extended supports block, and the part for supporting block is embedded into first groove, and rotation pivoted housing makes disengaging first
The block of supporting of groove is supported with release disk axial end face, to push release disk and powerless magnetic brake along the axial position of mandrel
It moves.
7. large torque external rotor electric machine according to claim 6, it is characterised in that：Further include a switch and control electricity
The controller of machine work, switch is electrically connected with the controller, and switch is fixed on release disk, and switch is equipped with tabletting, the tabletting with
The circumferential surface of pivoted housing is supported.
8. the large torque external rotor electric machine according to claim 1 to 5 any one, it is characterised in that：Dead electricity electromagnetic braking
Device includes：The yoke being fixed on mandrel, yoke are equipped with magnetizing coil, and yoke is equipped with first through hole；
The friction plate being combined with frictional disk in dead electricity, the friction plate empty set is on mandrel；
One end of connecting component, connecting component is connect with friction plate, and the other end of connecting component passes through be arranged in yoke first
Through-hole, connecting component and first through hole clearance fit；
Axial limiting component, axial limiting component pass through the other end of the first through hole to fix with connecting component；
One end of second elastomeric element, the second elastomeric element is mounted in yoke, the other end and friction plate of the second elastomeric element
It supports.
9. large torque external rotor electric machine according to claim 8, it is characterised in that：Axis of the frictional disk towards friction plate
It is equipped with resigning groove to end face, the end that the connecting component is connect with friction plate is located in the resigning groove.
10. the large torque external rotor electric machine according to claim 1 to 5 any one, it is characterised in that：The deceleration transmission
Mechanism is epicyclic transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208875.4U CN208063023U (en) | 2018-02-07 | 2018-02-07 | Large torque external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208875.4U CN208063023U (en) | 2018-02-07 | 2018-02-07 | Large torque external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208063023U true CN208063023U (en) | 2018-11-06 |
Family
ID=63994091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208875.4U Active CN208063023U (en) | 2018-02-07 | 2018-02-07 | Large torque external rotor electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208063023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282066A (en) * | 2018-02-07 | 2018-07-13 | 常州安耐雅康复器材有限公司 | Large torque external rotor electric machine |
-
2018
- 2018-02-07 CN CN201820208875.4U patent/CN208063023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282066A (en) * | 2018-02-07 | 2018-07-13 | 常州安耐雅康复器材有限公司 | Large torque external rotor electric machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11358468B2 (en) | Two-speed transmission system integrated with inner rotor hub motor and electric vehicle using same | |
| CN208062910U (en) | A kind of external rotor electric machine of dead electricity braking | |
| JP2017521324A (en) | Pressure generator for hydraulic vehicle brake system | |
| CN106961179A (en) | Motor with electromagnetic brake | |
| JP2014159837A (en) | Wheel driving device | |
| CN103821855A (en) | Integrated electric wheel system with excitation-free electromagnetic parking braking device | |
| CN205220977U (en) | Electrical bicycle hub | |
| CN108462267B (en) | A kind of external rotor electric machine of power loss braking | |
| JP4433504B2 (en) | Electric vehicle | |
| CN108791264A (en) | Electromechanical brake | |
| JP2013082321A (en) | Wheel braking and driving apparatus | |
| CN208063023U (en) | Large torque external rotor electric machine | |
| CN105857283B (en) | Brake boost device assembly | |
| CN107733155A (en) | A kind of wheel hub motor of built-in decelerator | |
| CN108282066B (en) | Large torque external rotor electric machine | |
| CN108270318B (en) | Wheel hub motor of electric wheelchair | |
| CN205398993U (en) | Drainage retractor | |
| CN201341075Y (en) | Double-stator brushless DC motor | |
| CN202030475U (en) | Hoisting driving device of a wire rope electric hoist | |
| CN207910618U (en) | Brake motor in a kind of brushless gearless | |
| CN208530547U (en) | A kind of electromechanical brake | |
| CN211183696U (en) | Motor brake device | |
| CN210225160U (en) | Moving mechanism based on hub motor and electric wheelchair thereof | |
| CN202817988U (en) | Brake motor | |
| CN106712444A (en) | External rotor switch magnetic resistance wheel-hub motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |