CN206799062U - Electromgnetic seat brake - Google Patents
Electromgnetic seat brake Download PDFInfo
- Publication number
- CN206799062U CN206799062U CN201720285463.6U CN201720285463U CN206799062U CN 206799062 U CN206799062 U CN 206799062U CN 201720285463 U CN201720285463 U CN 201720285463U CN 206799062 U CN206799062 U CN 206799062U
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- face
- rotor
- stator
- armature
- friction
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Abstract
The utility model discloses a kind of Electromgnetic seat brake, it includes the stator being oppositely arranged and flange, the periphery of the periphery of the end face of stator and the end face of flange is connected with spacer, and stator, flange and spacer are surrounded formed with accommodating chamber, Electromgnetic seat brake also includes in accommodating chamber and presses plate and the second rotor in the armature set, the first rotor, friction successively；Elastomer is provided with stator, one end of elastomer is resisted against in stator, the other end is resisted against the end face away from the first rotor in armature, and has a gap between the end face and the end face of stator in armature away from the first rotor, and bitrochanteric one end face pressure is located at flange；It is key connection between the outside wall surface of plate and the internal face of spacer in the outside wall surface of armature, friction.The utility model can improve the braking moment and allowable friction work of Electromgnetic seat brake, so as to be widely used in the end braking of crane gear and high power density, high torque density electrical machine application.
Description
Technical field
A kind of brake is the utility model is related to, more particularly to a kind of dual rotor electromagnetic deadman's brake.
Background technology
Traditional Electromgnetic seat brake is mainly made up of stator, armature, rotor, flange, using a rotor two
The structure of individual friction pair, the structure is due to there was only a rotor, and caused torque is small, and allowable friction work is low, it is impossible to meets lifting
Machine end braking and high power density, high torque density electrical machine braking are for brake high torque density, high frictional work density
Demand.
Utility model content
The technical problems to be solved in the utility model is to overcome traditional Electromgnetic seat brake of the prior art
Braking moment is small and the defects of allowable friction work is low, there is provided a kind of Electromgnetic seat brake.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of Electromgnetic seat brake, including the stator and flange being oppositely arranged, the periphery of the end face of the stator with
The periphery of the end face of the flange is connected with spacer, and the stator, the flange and the spacer are surrounded formed with receiving
Chamber, its feature be, armature that the Electromgnetic seat brake also includes in the accommodating chamber and pressed successively setting, the
Plate and the second rotor in one rotor, friction；
Elastomer is provided with the stator, one end of the elastomer is resisted against in the stator, the elastomer it is another
One end be resisted against in the armature away from the first rotor end face, and in the armature away from the first rotor one
There is a gap, one end face pressure away from plate in the friction in second rotor between the end face of end face and the stator
Located at the flange；
It is that key connects between the outside wall surface of plate and the internal face of the spacer in the outside wall surface of the armature, the friction
Connect.
In this programme, the first rotor and bitrochanteric setting can improve Electromgnetic seat brake braking moment and
Allowable friction work, should so as to be widely used in the end braking of crane gear and high power density, high torque density electrical machine
With.
It is preferred that the internal face of the spacer is provided with dive key, plate in the outside wall surface of the armature and the friction
Outside wall surface be equipped with guide groove, axis direction of the dive key along the spacer be slidedly arranged on the armature guide groove and
In the friction in the guide groove of plate.
In this programme, dive key can deliver torque to spacer, and can be fixed to plate edge in armature and friction
Guide effect is played in movement on sub- axis direction.
It is preferred that the both ends of the surface of the first rotor, which are glued, is provided with the first friction material layer, close to described in the armature
The end face of the first rotor is mutually pressed with adjacent first friction material layer and set, close to described first turn in plate in the friction
The end face of son is mutually pressed with adjacent first friction material layer to be set；
The bitrochanteric both ends of the surface are viscous to be provided with the second friction material layer, close to described second in plate in the friction
The end face of rotor is mutually pressed with adjacent second friction material layer and set, close to described bitrochanteric one end in the flange
Mutually press and set with adjacent second friction material layer in face.
It is preferred that the material of first friction material layer and second friction material layer is carbon fiber-reinforced resin
Based composites.
It is preferred that the Electromgnetic seat brake also includes limit assembly, the limit assembly is arranged in the flange
Between the periphery of plate in the periphery of the bitrochanteric end face and the friction；
When the armature is in original state, in the friction in plate close to the first rotor end face with it is described
The distance between end face of the close the first rotor is braking distance in armature；
When the armature, which is moved to, to be contacted in the stator close to the end face of the armature, the stopping means is used for
Plate in the friction is set to be moved to a unlocked position towards the stator, it is close in plate in the unlocked position, the friction
The end face of the first rotor is unblock distance with the distance between end face of the close the first rotor in the armature,
Between the unblock distance is more than the braking distance, and the difference between the unblock distance and the braking distance is less than described in
Gap.
In this programme, the setting of limit assembly can avoid Electromgnetic seat brake in right angle setting and releasing braking
The deadweight of plate and the first rotor produces friction to the bitrochanteric pressure in friction, it is ensured that the first rotor and the bitrochanteric normal
Operating.
It is preferred that the difference between the unblock distance and the braking distance is equal to the half in the gap.
It is preferred that the stopping means includes：
Spacing fastener, the spacing fastener is through plate in the friction, and the afterbody spiral shell of the spacing fastener
Line is connected to close to the periphery of the bitrochanteric end face in the flange, and the head of the spacing fastener is resisted against institute
State in friction in plate away from the bitrochanteric end face；
Back-moving spring, the back-moving spring is sheathed on the spacing fastener, and one end of the back-moving spring is resisted against
Plate in the friction, the other end of the back-moving spring are resisted against the flange.
It is preferred that the stopping means also includes stop nut, the stop nut is threadedly connected to the spacing fastening
Part is simultaneously resisted against the flange, and the other end of the back-moving spring is resisted against the stop nut.
It is preferred that the Electromgnetic seat brake also includes the first microswitch and the second microswitch, described first is micro-
Dynamic switch and second microswitch are provided at circumferentially spaced in the stator along the stator, and first fine motion is opened
Pass, second microswitch being provided at circumferentially spaced along the stator with the elastomer, the stator is interior to be provided with coil；
The button of first microswitch is resisted against in the armature close to the end face of the stator, for detecting
The armature attonity or movement travel are less than 0.6mm during the coil electricity；
The button of second microswitch is resisted against in the armature close to the end face of the stator, for detecting
The gap of the armature and the stator is more than 1.6mm during the coil blackout.
In this programme, the first microswitch can detect that armature attonity or movement travel are less than in coil electricity
0.6mm, electric motor starting when being braked so as to effectively avoid Electromgnetic seat brake from not releasing completely.Second microswitch can detect
Go out the gap as caused by the first rotor and the second rotor abrasion between armature and stator and be more than the maximum that brake can act
Gap, remind the user that maintenance or more exchanging rotor.
It is preferred that the Electromgnetic seat brake also includes axle sleeve, the first rotor and second rotor are arranged
In the axle sleeve, and between the outside wall surface of the internal face of the first rotor and the axle sleeve, the bitrochanteric internal face
Pass through involute spline key connection between the outside wall surface of the axle sleeve.
In this programme, using said structure form so that axle sleeve is transferred to the impact on the first rotor and the second rotor
Power is more uniform, so as to improve the first rotor and bitrochanteric service life.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with
Good example.
Positive effect of the present utility model is：
The utility model can improve the braking moment and allowable friction work of Electromgnetic seat brake, so as to fit extensively
End braking and high power density, high torque density electrical machine application for crane gear.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the Electromgnetic seat brake of the utility model preferred embodiment.
Fig. 2 is the inside of the another location state of a part for the Electromgnetic seat brake of the utility model preferred embodiment
Structural representation.
Description of reference numerals：
Electromgnetic seat brake 1
Stator 10
Coil 100
First positioning spigot 101
Elastomer 102
Flange 11
Second positioning spigot 110
Spacer 12
Through hole 120
Dive key 121
Armature 13
The first rotor 14
First friction material layer 140
Plate 15 in friction
Second rotor 16
Second friction material layer 160
Axle sleeve 17
Limit assembly 18
Stop screw 180
Stop nut 181
Back-moving spring 182
First mounting screw 19
Second mounting screw 20
Accommodating chamber 21
First microswitch 22
Second microswitch 23
Clearance D
Embodiment
Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
As shown in Figure 1-2, a kind of Electromgnetic seat brake 1 is present embodiments provided.It include stator 10, flange 11, every
Plate 15, the second rotor 16, axle sleeve 17 and limit assembly 18 in set 12, armature 13, the first rotor 14, friction.In the stator 10
Provided with coil 100.The stator 10 uses cylindrical stator.The stator 10 and flange 11 are oppositely arranged.Spacer 12 is connected to
Between the periphery of the periphery of the end face of stator 10 and the end face of flange 11.Preferably, the periphery of the stator 10 is provided with edge
Multiple first positioning spigots 101 that the circumferential uniform intervals of the stator 10 are set, the periphery of the flange 11 are provided with along flange
Multiple second positioning spigots 110 that 11 circumferential uniform intervals are set.Spacer 12 is provided with multiple through holes 120, multiple through holes 120
Set along the circumferential uniform intervals of spacer 12.Multiple first positioning spigots 101, multiple second positioning spigots 110 and multiple through holes
Correspond and set between 120, and each through hole 120 is located at corresponding the first positioning spigot 101 and the second positioning spigot 110
Between.One first mounting screw 19 is arranged in the first positioning spigot 101, corresponding through hole 120 and corresponding second successively
Positioning spigot 110.In the present embodiment, spacer 12 uses cylindrical steel spacer.
Wherein, the stator 10, flange 11 and spacer 12 are surrounded formed with accommodating chamber 21.13, first turns of the armature
The rotor 16 of plate 15 and second is respectively positioned in accommodating chamber 21 in son 14, friction and pressure is set successively.Elasticity is provided with the stator 10
Body 102, one end of the elastomer 102 are resisted against in stator 10, and the other end of elastomer 102 is resisted against in armature 13 away from the
The end face of one rotor 14.When coil 100 powers off, in armature 13 away from the first rotor 14 end face with it is close in stator 10
There is a clearance D, one end face pressure away from plate 15 in friction in second rotor 16 is located at method between the end face of armature 13
Orchid 11.In the present embodiment, multiple elastomers 102 are provided with the stator 10.Week of multiple elastomers 102 along stator 10
Set to uniform intervals.Elastomer 102 is spring.
In addition, the both ends of the surface of the first rotor 14 are viscous to be provided with the first friction material layer 140.Close to the first rotor in armature 13
14 end face is set with the adjacent phase pressure of first friction material layer 140.Close to the one of the first rotor 14 in plate 15 in friction
End face is set with the adjacent phase pressure of the first friction material layer 140.The both ends of the surface of second rotor 16 are viscous to be provided with the second friction material layer
160.End face in friction in plate 15 close to the second rotor 16 is set with the adjacent phase pressure of the second friction material layer 160.Flange 11
In set close to the end face of the second rotor 16 with the adjacent phase pressure of the second friction material layer 160.Preferably, first friction material
The material of the friction material layer 160 of the bed of material 140 and second is carbon fiber enhancement resin base composite material.And the first rotor 14 and
Two rotors 16 use disk rotor.
As shown in figure 1, the rotor 16 of the first rotor 14 and second is sheathed on axle sleeve 17.The first rotor 14 and second turn
The internal face of son 16 is respectively provided with involute spline (not shown).The outside wall surface of axle sleeve 17 has involute spline.Described
Between the internal face of one rotor 14 and the outside wall surface of axle sleeve 17, between the outside wall surface of the internal face of the second rotor 16 and axle sleeve 17
Key connection is realized by involute spline.So axle sleeve 17 is caused to be transferred to the impulsive force on the rotor 16 of the first rotor 14 and second
More uniformly, so as to improve the service life of the rotor 16 of the first rotor 14 and second.Axle sleeve 17 uses cylindrical shape axle sleeve.And axle sleeve
17 internal face has keyway.
In the present embodiment, the setting of the rotor 16 of the first rotor 14 and second can improve the system of Electromgnetic seat brake 1
Kinetic moment and allowable friction work, it is close so as to be widely used in the end braking of crane gear and high power density, high torque (HT)
Spend motor application.
It is between the outside wall surface of plate 15 and the internal face of the spacer 12 in the outside wall surface of the armature 13, the friction
Key connection.The internal face of the spacer 12 is provided with dive key 121.Plate 15 in the outside wall surface of the armature 13 and the friction
Outside wall surface be equipped with guide groove.Axis direction of the dive key 121 along the spacer 12 is slidedly arranged on the guiding of the armature 13
In groove and the friction in the guide groove of plate 15.Dive key 121 can deliver torque to spacer 12, limit armature 13 and rub
Movement of the plate 15 relative to spacer 12 in the circumferential in wiping, and can be to plate 15 in armature 13 and friction along the axis side of stator 10
Guide effect is played in upward movement.In the present embodiment, dive key 121 is fixed on spacer 12 by the second mounting screw 20
Internal face；The internal face of spacer 12 is provided with circumferentially spaced some dive keys 121 along spacer 12.
In addition, the Electromgnetic seat brake 1 also includes limit assembly 18, the limit assembly 18 is arranged at the flange
In 11 between the periphery of end face and the periphery of plate 15 in the friction of second rotor 16.At the armature 13
It is close described in the end face and the armature 13 of the first rotor 14 in plate 15 in the friction when original state
The distance between end face of the first rotor 14 is braking distance.When the armature 13 be moved to it is close in the contact stator 10
During the end face of the armature 13, the stopping means is used to make plate 15 in the friction be moved to a solution towards the stator 10
Lock position, the end face in plate 15 close to the first rotor 14 and the armature 13 in the unlocked position, the friction
In close to the distance between end face of the first rotor 14 be unblock distance.Wherein, it is described unblock distance be more than braking away from
From, and the difference unlocked between distance and braking distance is less than the clearance D.The setting of limit assembly 18 can avoid abampere
Pressure of the deadweight of full application of brake device 1 plate 15 and the first rotor 14 in friction in right angle setting and releasing braking to the second rotor 16
Produce friction, it is ensured that the normal operation of the rotor 16 of the first rotor 14 and second.
Preferably, the difference between the unblock distance and the braking distance is equal to the half of the clearance D.
Specifically, the stopping means includes：Spacing fastener, stop nut 181 and back-moving spring 182.In this implementation
In example, spacing fastener is stop screw 180.The stop nut 181 is threadedly connected to the stop screw 180 and is resisted against
The periphery of the end face of close second rotor 16 in the flange 11.The stop screw 180 through plate in friction 15,
And the tailing screw flight of stop screw 180 is connected to flange 11, the head of stop screw 180 is resisted against in the friction in plate 15 far
From the end face of second rotor 16.The back-moving spring 182 is sheathed on stop screw 180, and the back-moving spring 182
One end is resisted against plate 15 in friction, and the other end of the back-moving spring 182 is resisted against stop nut 181.In the present embodiment, institute
Stating Electromgnetic seat brake 1 includes multiple stopping means, and circumferential uniform intervals of multiple stopping means along flange 11 are set.
In addition, the Electromgnetic seat brake 1 also includes the first microswitch 22 and the second microswitch 23.Described first
Microswitch 22 and second microswitch 23 are provided at circumferentially spaced in the stator 10 along the stator 10, and described
First microswitch 22, second microswitch 23 with being provided at circumferentially spaced along the stator 10 of elastomer 102.
The button of first microswitch 22 is resisted against in the armature 13 close to the end face of the stator 10, is used for
The detection attonity of armature 13 or movement travel when the coil 100 is powered are less than 0.6mm.It so can effectively avoid electricity
Electric motor starting when magnetic deadman's brake 1 does not release braking completely.In the present embodiment, the first microswitch 22 has microswitch
Main body and button, the button have upper stop position, trigger position and lower stop position three relative to microswitch main body
Shift position state, wherein trigger position are between upper stop position and lower stop position；It is described when coil 100 powers off
End face in armature 13 close to the stator 10 is resisted against the button of the first microswitch 22, and now, button is relative to fine motion
Switch main body is located at upper stop position.
The button of second microswitch 23 is resisted against in the armature 13 close to the end face of the stator 10, is used for
The clearance D for detecting the armature and the stator 10 when the coil 100 powers off is more than 1.6mm.That is the second microswitch 23
It can detect that the clearance D caused by being worn by the rotor 16 of the first rotor 14 and second between armature 13 and stator 10 is more than braking
The maximal clearance that device can act, remind the user that maintenance or more exchanging rotor.In the present embodiment, the second microswitch 23 has
There are microswitch main body and button, the button has upper stop position, trigger position relative to microswitch main body and stopped down
The dynamic shift position state of position three, wherein trigger position is between upper stop position and lower stop position；It is logical in coil 100
When electric, the end face in the armature 13 close to the stator 10 is resisted against the button of the second microswitch 23, now, button phase
It is located at lower stop position for microswitch main body.
During 100 no power of coil, armature 13 is pressed to flange 11 by elastomer 102, has one between stator 10 and armature 13
Clearance D；Acted on by the pressure of elastomer 102, moment of friction is produced between plate 15 in the first rotor 14 and armature 13, friction, and
Produce moment of friction between plate 15, flange 11 in second rotor 16 and friction, prevent by involute spline and the first rotor 14,
The connected axle sleeve 17 of second rotor 16 rotates, and is fixed on axle sleeve 17 on gyroaxis by key during use, and brake is integrally solid
It is scheduled on fixed support or electric motor end cap, it is possible to prevent the rotation of gyroaxis.
After coil 100 is powered, armature 13 is pulled to stator 10 by electromagnetic force, and elastomer 102 is compressed, the first rotor 14, the
Two rotors 16 are no longer influenced by spring pressure, can freely rotate.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of Electromgnetic seat brake, including the stator and flange being oppositely arranged, the periphery of the end face of the stator and institute
The periphery for stating the end face of flange is connected with spacer, and the stator, the flange and the spacer are surrounded formed with accommodating chamber
Room, it is characterised in that the Electromgnetic seat brake also includes in the accommodating chamber and presses the armature set, first successively
Plate and the second rotor in rotor, friction；
Elastomer is provided with the stator, one end of the elastomer is resisted against in the stator, the other end of the elastomer
It is resisted against the end face away from the first rotor in the armature, and the end face away from the first rotor in the armature
There is a gap between the end face of the stator, one end face pressure away from plate in the friction in second rotor is located at
The flange；
Between the outside wall surface of plate and the internal face of the spacer it is key connection in the outside wall surface of the armature, the friction.
2. Electromgnetic seat brake as claimed in claim 1, it is characterised in that the internal face of the spacer is provided with guide flat
The outside wall surface of plate is equipped with guide groove in key, the outside wall surface of the armature and the friction, and the dive key is along the spacer
Axis direction be slidedly arranged in the guide groove of the armature and the guide groove of plate in the friction.
3. Electromgnetic seat brake as claimed in claim 1, it is characterised in that the both ends of the surface of the first rotor are viscous to be provided with
First friction material layer, the end face close to the first rotor and adjacent the first friction material layer phase in the armature
Pressure is set, and the end face in the friction in plate close to the first rotor is mutually pressed with adjacent first friction material layer to be set；
The bitrochanteric both ends of the surface are viscous to be provided with the second friction material layer, close to second rotor in plate in the friction
End face mutually press and set with adjacent second friction material layer, in the flange close to the bitrochanteric end face with
Adjacent second friction material layer, which is mutually pressed, to be set.
4. Electromgnetic seat brake as claimed in claim 3, it is characterised in that first friction material layer and described second
The material of friction material layer is carbon fiber enhancement resin base composite material.
5. Electromgnetic seat brake as claimed in claim 1, it is characterised in that the Electromgnetic seat brake also includes spacing
Component, the limit assembly are arranged at the periphery in the flange close to the bitrochanteric end face and plate in the friction
Periphery between；
When the armature is in original state, the end face in plate close to the first rotor and the armature in the friction
In close to the distance between end face of the first rotor be braking distance；
When the armature, which is moved to, to be contacted in the stator close to the end face of the armature, the stopping means is used to make institute
State plate in friction and be moved to a unlocked position towards the stator, close to described in plate in the unlocked position, the friction
The end face of the first rotor is unblock distance with the distance between end face of the close the first rotor in the armature, described
Unblock distance is more than the braking distance, and the difference between the unblock distance and the braking distance is less than the gap.
6. Electromgnetic seat brake as claimed in claim 5, it is characterised in that it is described unblock distance and the braking distance it
Between difference be equal to the gap half.
7. Electromgnetic seat brake as claimed in claim 5, it is characterised in that the stopping means includes：
Spacing fastener, the spacing fastener is through plate in the friction, and the tailing screw flight of the spacing fastener connects
It is connected in the flange and is resisted against described rub close to the periphery of the bitrochanteric end face, the head of the spacing fastener
Away from the bitrochanteric end face in plate in wiping；
Back-moving spring, the back-moving spring are sheathed on the spacing fastener, and one end of the back-moving spring be resisted against it is described
Plate in friction, the other end of the back-moving spring are resisted against the flange.
8. Electromgnetic seat brake as claimed in claim 7, it is characterised in that the stopping means also includes stop nut,
The stop nut is threadedly connected to the spacing fastener and is resisted against the flange, the other end of the back-moving spring against
In the stop nut.
9. Electromgnetic seat brake as claimed in claim 1, it is characterised in that the Electromgnetic seat brake also includes first
Microswitch and the second microswitch, first microswitch and second microswitch are along the circumferentially-spaced of the stator
Be arranged in the stator, and first microswitch, second microswitch with the elastomer along the stator
Be provided at circumferentially spaced, is provided with coil in the stator；
The button of first microswitch is resisted against in the armature close to the end face of the stator, for detecting described
The armature attonity or movement travel are less than 0.6mm during coil electricity；
The button of second microswitch is resisted against in the armature close to the end face of the stator, for detecting described
The gap of the armature and the stator is more than 1.6mm during coil blackout.
10. Electromgnetic seat brake as claimed in any one of claims 1-9 wherein, it is characterised in that the Electromgnetic seat braking
Device also includes axle sleeve, and the first rotor and second rotor are sheathed on the axle sleeve, and the inwall of the first rotor
Between the outside wall surface of face and the axle sleeve, between the outside wall surface of the bitrochanteric internal face and the axle sleeve by gradually opening
Line spline key connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285463.6U CN206799062U (en) | 2017-03-22 | 2017-03-22 | Electromgnetic seat brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285463.6U CN206799062U (en) | 2017-03-22 | 2017-03-22 | Electromgnetic seat brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206799062U true CN206799062U (en) | 2017-12-26 |
Family
ID=60729759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285463.6U Expired - Fee Related CN206799062U (en) | 2017-03-22 | 2017-03-22 | Electromgnetic seat brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206799062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873135A (en) * | 2018-09-03 | 2020-03-10 | 中车唐山机车车辆有限公司 | Micro-rail vehicle and electromagnetic brake thereof |
| CN112383204A (en) * | 2020-10-19 | 2021-02-19 | 北京精密机电控制设备研究所 | Permanent magnet brake with double-rotor structure |
| CN117072584A (en) * | 2023-10-16 | 2023-11-17 | 奥创动力传动(深圳)有限公司 | Noise-reducing brake |
-
2017
- 2017-03-22 CN CN201720285463.6U patent/CN206799062U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873135A (en) * | 2018-09-03 | 2020-03-10 | 中车唐山机车车辆有限公司 | Micro-rail vehicle and electromagnetic brake thereof |
| CN112383204A (en) * | 2020-10-19 | 2021-02-19 | 北京精密机电控制设备研究所 | Permanent magnet brake with double-rotor structure |
| CN117072584A (en) * | 2023-10-16 | 2023-11-17 | 奥创动力传动(深圳)有限公司 | Noise-reducing brake |
| CN117072584B (en) * | 2023-10-16 | 2024-01-23 | 奥创动力传动(深圳)有限公司 | Noise-reducing brake |
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Effective date of registration: 20180718 Address after: No. 518, Shanghai Road, Pudong New Area, Shanghai Co-patentee after: Tianjin UHT Science and Technology Co., Ltd. Patentee after: Redwo heavy machinery (Shanghai) Co., Ltd. Address before: No. 369, flying boat Road, Pudong New Area, Shanghai Co-patentee before: Tianjin UHT Science and Technology Co., Ltd. Patentee before: Link crane (Shanghai) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210322 |