CN106678209A - Electromagnetic brake for achieving separation through airflow - Google Patents
Electromagnetic brake for achieving separation through airflow Download PDFInfo
- Publication number
- CN106678209A CN106678209A CN201611253891.7A CN201611253891A CN106678209A CN 106678209 A CN106678209 A CN 106678209A CN 201611253891 A CN201611253891 A CN 201611253891A CN 106678209 A CN106678209 A CN 106678209A
- Authority
- CN
- China
- Prior art keywords
- brake
- puck
- air
- flow
- detached
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of electromagnetic brakes, in particular to an electromagnetic brake for achieving separation through airflow. The electromagnetic brake comprises a magnet yoke, a coil, an armature, a brake spring, a brake disc and an end cover. The coil is installed in the magnet yoke, the armature and the brake disc are arranged between the magnet yoke and the end cover, the brake spring pushes the armature to enable the armature and the end cover to press the brake disc for braking, the brake disc is of a split structure and comprises a brake shaft sleeve and a brake puck, the left side and the right side of the brake puck are provided with friction pieces, the brake shaft sleeve is sleeved with the brake puck, the brake shaft sleeve and the brake puck are connected through splines and rotate synchronously, and the brake puck moves in the axial direction relative to the brake shaft sleeve. The brake disc is of the split structure, so that the brake disc is far away from the end cover without influencing transmission, and the problem that the friction pieces and the end cover produce friction and then produce heat, and therefore the service life of the friction pieces is shortened is avoided.
Description
Technical field
The present invention relates to electromagnetic brake technical field, specially a kind of to utilize the detached electromagnetic brake of air-flow.
Background technology
Existing electromagnetic power-off brake is be powered disengaging, the friction brakes of spring to break braking, is widely used in
In the machinery such as metallurgy, building, chemical industry, lathe, elevator.This brake has compact conformation, easy for installation, wide adaptability, makes an uproar
Low voice, operating frequency are high, be a kind of preferable automated execution element the advantages of be active in one's movements, brake reliability.Brake is external
Half-wave rectifier, by one-way communication electricity direct current is made into.Winding produces magnetic field and sucks back in armature after power-up, while armature compression is fixed
Spring in iron core.During dead electricity, winding charge, spring ejects in armature, and armature will produce braking moment on frictional disk, make
Motor stops.But because brake disc is irremovable, when rotating, friction plate produces friction with end cap all the time, and both Wear Friction piece increased
Big heating, increases the resistance torque of rotating shaft again.
The content of the invention
It is an object of the invention to provide a kind of utilize the detached electromagnetic brake of air-flow, can make when rotating brake disc with
End cap is separated, and reduces both frictions.
The present invention above-mentioned technical purpose technical scheme is that：One kind utilizes the detached electricity of air-flow
Magnetic brake, including yoke, coil, armature, tripping spring, brake disc and end cap, the coil is arranged in the yoke, institute
State armature and the brake disc is located between the yoke and the end cap, the tripping spring is pushed away to the yoke direction is left
The armature is moved, is made the armature compress the brake disc with the end cap and is braked, the brake disc is split-type structural,
Including braking sleeve and brake puck, the left and right sides of the brake puck is provided with friction plate, and the brake puck is socketed in institute
State on braking sleeve, and the brake puck and the braking sleeve synchronous axial system, and the braking circle are made by spline connection
Disk is in axial direction moved relative to the braking sleeve.
Preferably, the friction plate is annular shape, it is arranged on the cylindrical place of the brake puck, and the friction plate exists
The width of radial direction is 1/2-3/4 of the brake puck in the width of radial direction.
Preferably, the relatively described braking sleeve of the brake puck is less than or equal in displacement S of axial direction
The air gap delta of electromagnetic brake.
Preferably, the brake puck is provided with the leaf that some even circumferentials are arranged in the side near the end cap side
Piece, when the disc rotation, the blade produces air-flow and promotes the brake puck to away from end cap direction movement.
Preferably, the blade is inclined along the rotation direction of the brake disc.
Preferably, the side of the brake puck is provided with to the first raised dish axle of the end cap direction, described first
The end face of dish axle less than the friction plate of homonymy lateral surface, the blade be arranged on first dish axle and friction plate it
Between.
Preferably, the side of the brake puck is provided with to the second raised dish axle of the armature direction, described first
Dish axle is located at same axis with second dish axle, and the brake puck is provided with through first dish axle and second dish axle
Splined hole.
Preferably, lateral surface of the end face of second dish axle less than the friction plate of homonymy, second dish axle
Annular groove is formed between the friction plate of homonymy, the armature is provided with the convex annular stretched in the annular groove
Rise.
Preferably, the height of the annular protrusion less than the annular groove bottom land to the friction plate of homonymy away from
From.
Preferably, the outer peripheral face of the braking sleeve is provided with cannelure, rubber teeth shape is arranged with the cannelure
Circle, the rubber profile of tooth circle is connected with the brake puck.
Beneficial effects of the present invention：Brake disc is arranged to split-type structural by the present invention, can be made when transmission is not affected
Brake disc prevents friction plate and end cap friction and generates heat away from end cap, reduces the service life of friction plate, and the present invention is by arranging
Blade so that brake puck can produce axial flow when rotating, so as to promote brake puck away from end cap；Ring is set simultaneously
Connected in star and annular protrusion, when coil electricity armature is attracted by yoke, annular protrusion is quickly moved out from annular groove, makes ring
Of short duration negative pressure state is formed in connected in star, brake puck is pushed to the direction away from end cap in the presence of pressure differential, makes system
Dynamic disk is separated with end cap, it is to avoid frictional heating, while reducing the resistance torque of brake disc, improves transmission efficiency.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the front view of brake disc in the embodiment of the present invention；
Fig. 3 is the side view of brake disc in the embodiment of the present invention；
In figure：1- yokes, 2- coils, 3- tripping springs, 4- armature, 5- brake discs, 51- braking sleeves, 52- brake pucks, 53-
Friction plate, 54- blades, 55- rubber profile of tooth circles, the dish axles of 56- first, the dish axles of 57- second, 58- annular grooves, 6- end caps.
Specific embodiment
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology
Personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but as long as
All protected by Patent Law in scope of the presently claimed invention.
Embodiment：As shown in Figure 1, Figure 2 and Figure 3, it is a kind of to utilize the detached electromagnetic brake of air-flow, including yoke 1, coil
2nd, armature 4, tripping spring 3, brake disc 5 and end cap 6, the coil 2 is arranged in the yoke 1, the armature 4 and the system
Moving plate 5 is located between the yoke 1 and the end cap 6, and the tripping spring 3 promotes the rank to the direction of the yoke 1 is left
Ferrum 4, makes the armature 4 compress the brake disc 5 with the end cap 6 and is braked.The brake disc 5 is split-type structural, is wrapped
Include braking sleeve 51 and brake puck 52.The left and right sides of the brake puck 52 is provided with friction plate 53, and the friction plate 53 is
Annular shape, it is bonded in the cylindrical place of the brake puck 52, and the friction plate 53 is the braking in the width of radial direction
1/2-3/4 of the disk 52 in the width of radial direction.
The brake puck 52 is socketed on the braking sleeve 51, and by spline connection make the brake puck 52 with
The synchronous axial system of the braking sleeve 51.Brake puck 52 is provided with splined hole, and the excircle of braking sleeve 51 is provided with spline, braking
Axle sleeve 51 is plugged in splined hole, and the outer peripheral face of the braking sleeve 51 is provided with cannelure, and in the cannelure rubber is arranged with
Glue profile of tooth circle 55, the rubber profile of tooth circle 55 is connected with the brake puck 52.Due to adopting spline connection, the braking
Disk 52 can in axial direction be moved relative to the braking sleeve 51.The relatively described braking sleeve 51 of the brake puck 52 exists
Less than or equal to the air gap delta of electromagnetic brake, general δ-value is between 0.3mm-1.2mm to displacement S of axial direction.
As shown in Figures 2 and 3, the side of the brake puck 52 is provided with to the first raised dish axle of the direction of the end cap 6
56, the end face of first dish axle 56 is less than the lateral surface of the friction plate 53 of homonymy.The brake puck 52 is near institute
The side for stating the side of end cap 6 is provided with the blade 54 that some even circumferentials are arranged, and the blade 54 is along the rotation side of the brake disc 5
To inclination.The blade 54 is arranged between first dish axle 56 and friction plate 53.It is described when the brake disc 5 is rotated
Blade 54 produces air-flow and promotes the brake puck 52 to away from the movement of the direction of the end cap 6.
As shown in figure 3, the side of the brake puck 52 is provided with to the second raised dish axle 57 of the direction of the armature 4, institute
State the first dish axle 56 and second dish axle 57 and be located at same axis, the splined hole is through first dish axle 56 and described the
Two dish axles 57.The end face of second dish axle 57 less than homonymy the friction plate 53 lateral surface, second dish axle 57 with
Annular groove 58 is formed between the friction plate 53 of homonymy, the armature 4 is provided with the ring stretched in the annular groove 58
Shape is raised.The height of the annular protrusion is less than the distance of the bottom land of the annular groove 58 to the friction plate 53 of homonymy.
Claims (10)
1. it is a kind of to utilize the detached electromagnetic brake of air-flow, including yoke（1）, coil（2）, armature（4）, tripping spring（3）, system
Moving plate（5）And end cap（6）, the coil（2）Installed in the yoke（1）It is interior, the armature（4）With the brake disc（5）If
In the yoke（1）With the end cap（6）Between, the tripping spring（3）To leaving the yoke（1）Direction promotes the rank
Ferrum（4）, make the armature（4）With the end cap（6）Compress the brake disc（5）It is braked, it is characterised in that：The braking
Disk（5）For split-type structural, including braking sleeve（51）And brake puck（52）, the brake puck（52）The left and right sides set
There is friction plate（53）, the brake puck（52）It is socketed in the braking sleeve（51）On, and the system is made by spline connection
Dynamic disk（52）With the braking sleeve（51）Synchronous axial system, and the brake puck（52）Relatively described braking sleeve（51）Edge
Axial direction is moved.
2. according to claim 1 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The friction plate
（53）For annular shape, it is arranged on the brake puck（52）Cylindrical place, the friction plate（53）In the width of radial direction
For the brake puck（52）In the 1/2-3/4 of the width of radial direction.
3. according to claim 1 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The brake puck
（52）Relatively described braking sleeve（51）The air gap delta of electromagnetic brake is less than or equal in displacement S of axial direction.
4. according to claim 1 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The brake puck
（52）Near the end cap（6）The side of side is provided with the blade that some even circumferentials are arranged（54）, when the brake disc（5）
During rotation, the blade（54）Produce air-flow and promote the brake puck（52）To away from the end cap（6）Move in direction.
5. according to claim 4 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The blade（54）
Along the brake disc（5）Rotation direction incline.
6. according to claim 5 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The brake puck
（52）Side be provided with to the end cap（6）The first raised dish axle of direction（56）, first dish axle（56）End face be less than
The friction plate of homonymy（53）Lateral surface, the blade（54）It is arranged on first dish axle（56）With friction plate（53）It
Between.
7. according to claim 6 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The brake puck
（52）Side be provided with to the armature（4）The second raised dish axle of direction（57）, first dish axle（56）With described second
Dish axle（57）Positioned at same axis, the brake puck（52）It is provided with through first dish axle（56）With second dish axle
（57）Splined hole.
8. according to claim 7 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：Second dish axle
（57）End face less than homonymy the friction plate（53）Lateral surface, second dish axle（57）With the friction plate positioned at homonymy
（53）Between form annular groove（58）, the armature（4）It is provided with and stretches into the annular groove（58）Interior annular protrusion.
9. according to claim 8 a kind of using the detached electromagnetic brake of air-flow, it is characterised in that：The annular protrusion
Height be less than the annular groove（58）Bottom land to homonymy friction plate（53）Distance.
10. the one kind according to claim 1 or 8 utilizes the detached electromagnetic brake of air-flow, it is characterised in that：The braking
Axle sleeve（51）Outer peripheral face be provided with cannelure, rubber teeth shape circle is arranged with the cannelure（55）, the rubber profile of tooth circle
（55）With the brake puck（52）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253891.7A CN106678209B (en) | 2016-12-30 | 2016-12-30 | A kind of electromagnetic brake separated using air-flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253891.7A CN106678209B (en) | 2016-12-30 | 2016-12-30 | A kind of electromagnetic brake separated using air-flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106678209A true CN106678209A (en) | 2017-05-17 |
| CN106678209B CN106678209B (en) | 2019-03-01 |
Family
ID=58873265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611253891.7A Active CN106678209B (en) | 2016-12-30 | 2016-12-30 | A kind of electromagnetic brake separated using air-flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678209B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087461A (en) * | 2017-12-20 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and with its motor |
| CN109538666A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of electromagnetic brake of fast changeable brake lining and micro- rail vehicle |
| CN113685466A (en) * | 2021-09-18 | 2021-11-23 | 奥创动力传动(深圳)有限公司 | Brake |
| CN114542624A (en) * | 2022-01-26 | 2022-05-27 | 广东大钧机械有限公司 | Clutch assembly |
| CN117072583A (en) * | 2023-10-16 | 2023-11-17 | 奥创动力传动(深圳)有限公司 | Stacked brake |
| WO2024152954A1 (en) * | 2023-01-17 | 2024-07-25 | 石家庄五龙制动器股份有限公司 | Disc brake |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007292251A (en) * | 2006-04-27 | 2007-11-08 | Meidensha Corp | Motor with brake attached below shaft |
| US20090265880A1 (en) * | 2007-01-08 | 2009-10-29 | Mann+Hummel Gmbh | Brake Dust Collecting Device for Motor Vehicles |
| CN101614258A (en) * | 2008-06-25 | 2009-12-30 | 株式会社日立制作所 | Disk brake apparatus |
| CN203879989U (en) * | 2014-05-04 | 2014-10-15 | 苏州西艾杰电机有限公司 | Tractor brake friction disk |
| CN105221600A (en) * | 2013-03-27 | 2016-01-06 | 龙口中宇热管理系统科技有限公司 | Low-carbon economic electromagnetic fan clutch |
-
2016
- 2016-12-30 CN CN201611253891.7A patent/CN106678209B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007292251A (en) * | 2006-04-27 | 2007-11-08 | Meidensha Corp | Motor with brake attached below shaft |
| US20090265880A1 (en) * | 2007-01-08 | 2009-10-29 | Mann+Hummel Gmbh | Brake Dust Collecting Device for Motor Vehicles |
| CN101614258A (en) * | 2008-06-25 | 2009-12-30 | 株式会社日立制作所 | Disk brake apparatus |
| CN105221600A (en) * | 2013-03-27 | 2016-01-06 | 龙口中宇热管理系统科技有限公司 | Low-carbon economic electromagnetic fan clutch |
| CN203879989U (en) * | 2014-05-04 | 2014-10-15 | 苏州西艾杰电机有限公司 | Tractor brake friction disk |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538666A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of electromagnetic brake of fast changeable brake lining and micro- rail vehicle |
| CN109538666B (en) * | 2017-09-22 | 2020-08-04 | 中车唐山机车车辆有限公司 | Electromagnetic brake capable of rapidly replacing brake pads and micro-rail vehicle |
| CN108087461A (en) * | 2017-12-20 | 2018-05-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and with its motor |
| CN108087461B (en) * | 2017-12-20 | 2023-12-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and motor with same |
| CN113685466A (en) * | 2021-09-18 | 2021-11-23 | 奥创动力传动(深圳)有限公司 | Brake |
| CN114542624A (en) * | 2022-01-26 | 2022-05-27 | 广东大钧机械有限公司 | Clutch assembly |
| WO2024152954A1 (en) * | 2023-01-17 | 2024-07-25 | 石家庄五龙制动器股份有限公司 | Disc brake |
| CN117072583A (en) * | 2023-10-16 | 2023-11-17 | 奥创动力传动(深圳)有限公司 | Stacked brake |
| CN117072583B (en) * | 2023-10-16 | 2024-01-23 | 奥创动力传动(深圳)有限公司 | Stacked brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106678209B (en) | 2019-03-01 |
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