CN103899680B - A kind of embedded rotating shaft of electromagnetic brake - Google Patents
A kind of embedded rotating shaft of electromagnetic brake Download PDFInfo
- Publication number
- CN103899680B CN103899680B CN201410169363.8A CN201410169363A CN103899680B CN 103899680 B CN103899680 B CN 103899680B CN 201410169363 A CN201410169363 A CN 201410169363A CN 103899680 B CN103899680 B CN 103899680B
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- rotating shaft
- electromagnetic brake
- friction plate
- armature
- embedded
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Abstract
A kind of embedded rotating shaft of electromagnetic brake, relates to brake rotating shaft field.The invention solves air bag brake when being in hyperbar work when being positioned at different geographical, its life-span is low, it may appear that damaged；Electromagnetic brake need to additionally assemble, and overall dimension is relatively big, and electromagnetic brake is exposed to, the problem affecting rotating shaft space structure.A kind of embedded rotating shaft of electromagnetic brake, including rotating shaft and electromagnetic brake assembly, described rotating shaft includes rotating shaft outer ring and rotating shaft inner ring；Described electromagnetic brake assembly includes friction plate, armature, coil, coil holder, spring, lead and fixed screw.The embedded rotating shaft of a kind of electromagnetic brake of the present invention, has acted on the advantage of electromagnetic brake, simultaneously, adopt embedded structure so that reduce rotating shaft overall dimension, save use space, reduce the weight of entirety, save manufacturing cost, the noise produced when reducing brake.The present invention is applicable to rotating shaft field.
Description
Technical field
The present invention relates to brake rotating shaft field, particularly relate to a kind of embedded rotating shaft of electromagnetic brake.
Background technology
At present, brake rotating shaft field product mainly divides two big classes, and a class is that rotating shaft combines with air bag brake, and this partial design is in the great majority；Another kind of is the outside in rotating shaft, by connecting, electromagnetic brake is assembled into rotating shaft upper end or lower end.But, the air bag brake of the first kind needs client to provide the source of the gas of certain pressure；But the client of zones of different, its bleed pressure is different, in order to meet different market, the brake torque under minimum air pressure generally can be considered during airbag design, when air bag is chronically at hyperbar work, its life-span can be substantially reduced, and there will be breakage in some cases；The electromagnetic brake of Equations of The Second Kind need to additionally assemble, and overall dimension is relatively big, and electromagnetic brake is exposed to, and affects rotating shaft space structure.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of embedded rotating shaft of electromagnetic brake.
The technical solution adopted for the present invention to solve the technical problems is: a kind of embedded rotating shaft of electromagnetic brake, including rotating shaft and electromagnetic brake assembly, rotating shaft includes rotating shaft outer ring and rotating shaft inner ring；Electromagnetic brake assembly includes friction plate, armature, coil, coil holder, spring, lead and fixed screw；Wherein, the internal cavity of described rotating shaft outer ring is provided with step surface, and described step surface flushes with the end face of rotating shaft inner ring；The inner side of described rotating shaft inner ring end face is provided with draw-in groove and engages with friction plate；Described friction plate is stained with upper friction plate and lower friction plate；Described lower friction plate contacts with step surface, and described upper friction plate contacts with the lower surface of armature；Described armature is connected with the coil holder above it by pin；Described coil is arranged at the cavity inside of coil holder, arranges some springs in the both sides of coil, and described spring is pressed in the upper surface of armature；And lead is installed in the centre of spring, the upper end of described lead is connected to the upper surface of the internal cavities of coil holder；The upper surface flush that the upper surface of described coil holder encloses with rotating shaft place, and be connected by fixed screw and rotating shaft outer ring are fixing.
Thin arm flexible member it is additionally provided with between described friction plate and armature.
Also can increasing friction plate and pressing plate by the mode of 1: 1 superposition between the structure that described friction plate contacts with armature, wherein, described pressing plate is fixed by snap-in structure and rotating shaft outer ring.
Described spring is helical spring or butterfly spring.
Operation principle: one, the inner side of described rotating shaft inner ring end face is provided with draw-in groove and engages with friction plate and can realize friction plate and rotating shaft inner ring coaxial rotation；Two, described armature is connected with the coil holder above it by pin, it may be achieved armature and rotating shaft outer ring coaxial rotation, and has axial freedom；Three, after installing, spring is in preloading condition so that friction plate and armature are in impaction state only when producing suction after coil electricity, and armature adhesive, friction plate and armature are just lost normal pressure；Four, thin arm flexible member is adopted, it is possible to overcome armature or pressing plate to produce self gravitation, when electromagnetic brake obtains electric, unexpected abrasion and friction noise when rotating shaft is freely rotatable, can be eliminated；Five, described pressing plate is fixed by snap-in structure and rotating shaft outer ring, it may be achieved the coaxial rotation of pressing plate and rotating shaft outer ring；Six, described step surface flushes with the end face of rotating shaft inner ring, the upper surface flush that the upper surface of described coil holder encloses with rotating shaft place；Electromagnetic brake assembly can be realized be embedded in completely in rotating shaft；Seven, the embedded rotating shaft of a kind of electromagnetic brake provides certain brake torque, and rotating shaft remains stationary when electromagnetic brake dead electricity, and when Shaft Torque is more than specified brake torque, rotating shaft can rotate, electromagnetic brake obtain electric after rotating shaft can be freely rotatable.
Beneficial effects of the present invention: the embedded rotating shaft of a kind of electromagnetic brake of the present invention, act on the advantage of electromagnetic brake, simultaneously, adopt embedded structure, make to reduce rotating shaft overall dimension, save use space, reduce the weight of entirety, save manufacturing cost, the noise produced when reducing brake.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embedded rotating shaft of a kind of electromagnetic brake described in embodiment；
Fig. 2 is the cross-sectional view of the embedded rotating shaft of a kind of electromagnetic brake described in embodiment；；
Fig. 3 is the friction plate described in embodiment and the structural representation of pressing plate 1: 1 superposition combination；
Wherein, 1-rotating shaft outer ring, 2-rotating shaft inner ring, 3-friction plate, 4-armature, 5-coil, 6-coil holder, 7-spring, 8-lead, 9-fixed screw, 10-draw-in groove, 11-step surface, 12-rotating shaft inner ring end face, 13-pressing plate.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention being described in further detail, this embodiment is only used for explaining the present invention, protection scope of the present invention is not constituted and limits.
Embodiment
A kind of embedded rotating shaft of electromagnetic brake, including rotating shaft and electromagnetic brake assembly, rotating shaft includes rotating shaft outer ring 1 and rotating shaft inner ring 2；Electromagnetic brake assembly includes friction plate 3, armature 4, coil 5, coil holder 6, spring 7, lead 8 and fixed screw 9；Wherein, the internal cavity of described rotating shaft outer ring 1 is provided with step surface 11, and described step surface 11 flushes with the end face 12 of rotating shaft inner ring；The inner side of described rotating shaft inner ring end face 12 is provided with draw-in groove 10 and engages with friction plate 3；Described friction plate 3 is stained with upper friction plate and lower friction plate；Described lower friction plate contacts with step surface 11, and described upper friction plate contacts with the lower surface of armature 4；Described armature 4 is connected with the coil holder 6 above it by pin；Described coil 5 is arranged at the cavity inside of coil holder 6, arranges some springs 7 in the both sides of coil 5, and described spring 7 is pressed in the upper surface of armature 4；And lead 8 is installed in the centre of spring 7, the upper end of described lead 8 is connected to the upper surface of the internal cavities of coil holder 6；The upper surface flush of 1 is enclosed in the upper surface of described coil holder 6 and rotating shaft place, and is connected by fixed screw 9 is fixing with rotating shaft outer ring 1；Thin arm flexible member it is additionally provided with between described friction plate 3 and armature 4；The structure that described friction plate 3 contacts with armature 4 also can increase friction plate 3 and pressing plate 13 by the mode of 1: 1 superposition, and wherein, described pressing plate 13 is fixed with rotating shaft outer ring 1 by snap-in structure；Described spring 7 is helical spring.
Operation principle: one, the inner side of described rotating shaft inner ring end face 12 is provided with draw-in groove 10 and engages with friction plate 3 and can realize friction plate 3 and rotating shaft inner ring 2 coaxial rotation；Two, described armature 4 is connected with the coil holder 6 above it by pin, it may be achieved armature 4 and rotating shaft outer ring 1 coaxial rotation, and has axial freedom；Three, after installing, spring 7 is in preloading condition so that friction plate 3 and armature 4 are in impaction state and only produce suction after coil 5 is energized, and armature 4 adhesive, friction plate 3 and armature 4 are just lost normal pressure；Four, thin arm flexible member is adopted, it is possible to overcome armature 4 or pressing plate to produce self gravitation, when electromagnetic brake obtains electric, unexpected abrasion and friction noise when rotating shaft is freely rotatable, can be eliminated；Five, described pressing plate is fixed with rotating shaft outer ring 1 by snap-in structure, it may be achieved the coaxial rotation of pressing plate and rotating shaft outer ring 1；Six, the embedded rotating shaft of a kind of electromagnetic brake provides certain brake torque, and rotating shaft remains stationary when electromagnetic brake dead electricity, and when Shaft Torque is more than specified brake torque, rotating shaft can rotate, electromagnetic brake obtain electric after rotating shaft can be freely rotatable.
Above-described embodiment should not in any way limit the present invention, and the technical scheme that all employings are equal to replacement or the mode of equivalency transform obtains all falls within protection scope of the present invention.
Claims (4)
1. the embedded rotating shaft of electromagnetic brake, including rotating shaft and electromagnetic brake assembly, it is characterised in that: described rotating shaft includes rotating shaft outer ring (1) and rotating shaft inner ring (2)；Described electromagnetic brake assembly includes friction plate (3), armature (4), coil (5), coil holder (6), spring (7), lead (8) and fixed screw (9)；Wherein, the internal cavity of described rotating shaft outer ring (1) is provided with step surface (11), and described step surface (11) flushes with rotating shaft inner ring end face (12)；The inner side of described rotating shaft inner ring end face (12) is provided with draw-in groove (10) and engages with friction plate (3)；Described friction plate (3) is stained with upper friction plate and lower friction plate；Described lower friction plate contacts with step surface (11), and described upper friction plate contacts with the lower surface of armature (4)；Described armature (4) is connected with the coil holder (6) above it by pin；Described coil (5) is arranged in the internal cavities of coil holder (6), arranges some springs (7) in the both sides of coil (5), and described spring (7) is pressed in the upper surface of armature (4)；And lead (8) is installed in the centre of spring (7), the upper end of described lead (8) is connected to the upper surface of the internal cavities of coil holder (6)；The upper surface of described coil holder (6) and the upper surface flush of rotating shaft outer ring (1), and be connected by fixed screw (9) and rotating shaft outer ring (1) are fixing.
2. a kind of embedded rotating shaft of electromagnetic brake according to claim 1, it is characterised in that: it is additionally provided with thin arm flexible member between described friction plate (3) and armature (4).
3. a kind of embedded rotating shaft of electromagnetic brake according to claim 1 and 2, it is characterized in that: the structure that described friction plate (3) contacts with armature (4) also can increase friction plate (3) and pressing plate (13) by the mode of 1:1 superposition, wherein, described pressing plate (13) is fixed with rotating shaft outer ring (1) by snap-in structure.
4. a kind of embedded rotating shaft of electromagnetic brake according to claim 1, it is characterised in that: described spring (7) is helical spring or butterfly spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169363.8A CN103899680B (en) | 2014-04-24 | 2014-04-24 | A kind of embedded rotating shaft of electromagnetic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169363.8A CN103899680B (en) | 2014-04-24 | 2014-04-24 | A kind of embedded rotating shaft of electromagnetic brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899680A CN103899680A (en) | 2014-07-02 |
| CN103899680B true CN103899680B (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410169363.8A Expired - Fee Related CN103899680B (en) | 2014-04-24 | 2014-04-24 | A kind of embedded rotating shaft of electromagnetic brake |
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| Country | Link |
|---|---|
| CN (1) | CN103899680B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007715B (en) * | 2020-10-12 | 2021-04-23 | 杭州冠重矿山机械有限公司 | Cone crusher convenient to crush rapidly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115424U (en) * | 1991-10-19 | 1992-09-09 | 常熟市美益电磁控制元件厂 | Brake for a.c. servo electrical machinery |
| US6155386A (en) * | 1999-02-01 | 2000-12-05 | Tsubakimoto Chain Co. | Spring-actuated electromagnetic brake with noise suppressing device |
| EP0989318B1 (en) * | 1998-09-25 | 2003-11-05 | Eaton Corporation | Friction brake device utilizing dual ball ramp devices |
| CN101451583A (en) * | 2007-12-06 | 2009-06-10 | 株式会社日立制作所 | Disk type electromagnetic brake |
| CN201588896U (en) * | 2009-12-22 | 2010-09-22 | 芜湖大中机电制造有限公司 | Electromagnetic brake with function of noise reduction |
| CN102410326A (en) * | 2011-08-16 | 2012-04-11 | 成都瑞迪机械实业有限公司 | Double-acting low-noise electromagnetic brake |
| CN203784146U (en) * | 2014-04-24 | 2014-08-20 | 迈柯唯医疗设备(苏州)有限公司 | Embedded-type rotating shaft for electromagnetic brake |
-
2014
- 2014-04-24 CN CN201410169363.8A patent/CN103899680B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2115424U (en) * | 1991-10-19 | 1992-09-09 | 常熟市美益电磁控制元件厂 | Brake for a.c. servo electrical machinery |
| EP0989318B1 (en) * | 1998-09-25 | 2003-11-05 | Eaton Corporation | Friction brake device utilizing dual ball ramp devices |
| US6155386A (en) * | 1999-02-01 | 2000-12-05 | Tsubakimoto Chain Co. | Spring-actuated electromagnetic brake with noise suppressing device |
| CN101451583A (en) * | 2007-12-06 | 2009-06-10 | 株式会社日立制作所 | Disk type electromagnetic brake |
| CN201588896U (en) * | 2009-12-22 | 2010-09-22 | 芜湖大中机电制造有限公司 | Electromagnetic brake with function of noise reduction |
| CN102410326A (en) * | 2011-08-16 | 2012-04-11 | 成都瑞迪机械实业有限公司 | Double-acting low-noise electromagnetic brake |
| CN203784146U (en) * | 2014-04-24 | 2014-08-20 | 迈柯唯医疗设备(苏州)有限公司 | Embedded-type rotating shaft for electromagnetic brake |
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| Publication number | Publication date |
|---|---|
| CN103899680A (en) | 2014-07-02 |
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Granted publication date: 20160713 Termination date: 20200424 |