CN103912609B - A kind of snap-in electromagnetic brake - Google Patents
A kind of snap-in electromagnetic brake Download PDFInfo
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- CN103912609B CN103912609B CN201410166508.9A CN201410166508A CN103912609B CN 103912609 B CN103912609 B CN 103912609B CN 201410166508 A CN201410166508 A CN 201410166508A CN 103912609 B CN103912609 B CN 103912609B
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- friction plate
- armature
- coil holder
- electromagnetic brake
- coil
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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000030279 gene silencing Effects 0.000 claims abstract description 6
- 238000003032 molecular docking Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Abstract
The invention discloses a kind of snap-in electromagnetic brake, comprise coil holder, coil, spring, friction plate, armature and seal closure, coil is embedded in coil holder, armature is installed on the below of coil holder, the inner side of coil holder and outside are embedded with respectively spring, between armature and coil, be provided with silencing pad, friction plate is installed on armature below, the upper surface of friction plate and lower surface are respectively provided with a friction plate, friction plate outside is provided with a seal closure, seal closure and coil holder lock by lock screw, sealing cover covers armature, friction plate and friction plate, between coil holder and armature, between the upper end of friction plate and coil holder and between friction plate and seal closure, be equipped with sealing ring, the lower surface of friction plate is provided with Ka Tai. the present invention is provided with seal closure and sealing ring, prevents that friction plate is because the particle that wearing and tearing cause leaks, silencing pad between hermetically-sealed construction and armature and coil can reduce brake noise, the present invention has also reduced height and the radial dimension of total.
Description
Technical field
The present invention relates to medical hoist tower electromagnetic brake technical field, particularly a kind of snap-in electromagnetic brake.
Background technology
Medical braking mechanism is the important component part of medical hoist tower system, and it has improved stability and the reliability of medical hoist tower greatly. Operating personnel are free to control the motion of tower crane and stop. Current medical braking mechanism mainly contains two kinds, and one is air bag brake, and one is electromagnetic brake. Air bag brake need to provide the source of the gas of certain pressure, but zones of different, its bleed pressure is different. In order to meet different market, when airbag design, generally can consider the brake torque under minimum air pressure, when air bag is for a long time in the time that hyperbar is worked, its life-span can reduce greatly, and there will be breakage in some cases. And current electromagnetic brake mainly contains following shortcoming: (1) its structural design is undesirable, structural height dimension and radial dimension are bigger than normal; (2) entirety is not sealed, and friction powder communicates with the external world, is easily diffused into the external world, causes environmental pollution; (3) noise that brake causes is large.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide that a kind of height and radial dimension are little, integrally closed and the little snap-in electromagnetic brake of brake noise.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions: a kind of snap-in electromagnetic brake, comprise coil holder, coil, spring, friction plate, armature and seal closure, described coil is embedded in the cannelure of coil holder, described armature is installed on the below of described coil holder, the inner side of coil holder and outside are embedded with respectively spring, between armature and coil, be provided with silencing pad, friction plate is installed on armature below, the upper surface of friction plate and lower surface are respectively provided with a friction plate, described friction plate outside is provided with a seal closure, sealing cover and described coil holder lock by lock screw, sealing cover covers described armature, friction plate and friction plate, between coil holder and armature, between the upper end of friction plate and coil holder and between friction plate and seal closure, be equipped with sealing ring, the lower surface of described friction plate is provided with Ka Tai.
Further, the cross section of described seal closure is stepped, is made up of enlarged diameter section and reduced diameter section.
Further, on described coil holder circumference, be equipped with connecting screw.
Further, described connecting screw is through described armature and seal closure.
Further, in described connecting screw, be arranged with locating dowel.
Further, the outer circumference surface of the reduced diameter section of described seal closure matches with the circular hole inner peripheral surface of the docking mechanism being connected with this electromagnetic brake.
Further, the quantity of described Ka Tai is at least two.
Further, described Ka Tai is cube structure or cylindrical-shaped structure.
The invention has the beneficial effects as follows: the present invention is provided with seal closure, and be provided with sealing ring in structure that integrally closed can prevent that friction plate is because the particle that wearing and tearing cause leaks; Silencing pad between hermetically-sealed construction and armature and coil can reduce the noise producing due to energising adhesive greatly; The present invention, ensureing, under the early stage of certain torque lock, to have reduced height and the radial dimension of total, makes structural design more reasonable, and uses safety and reliability.
Brief description of the drawings
Fig. 1 is the cutaway view of the snap-in electromagnetic brake of the present invention.
Fig. 2 is the part perspective view of the snap-in electromagnetic brake of the present invention.
Fig. 3 is the upward view of the snap-in electromagnetic brake of the present invention.
Fig. 4 is the assembly structure schematic diagram of the snap-in electromagnetic brake of the present invention and docking mechanism.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
As shown in Figures 1 to 4, a kind of snap-in electromagnetic brake comprises coil holder 1, coil 2, spring 3, friction plate 4, armature 5 and seal closure 6, and coil 2 is embedded in the cannelure of coil holder 1, and armature 5 is installed on the below of coil holder 1. The inner side of coil holder 1 and outside are embedded with respectively the spring in the outside of the not shown coil holder of spring 3(). The inside and outside both sides of coil holder 1 are all provided with spring 3, can make the armature 5 of compression stressed more even. Friction plate 4 is installed on armature 5 belows. The upper surface of friction plate 4 and lower surface are respectively provided with a friction plate 7. In the present embodiment, the width that friction plate 4 can be arranged to its front end is narrower than width step-like of rear end, can respectively establish a friction plate 7 at the upper surface of the front end of friction plate 4 and lower surface, can reduce height dimension. In the present embodiment, the inner side of friction plate 4 has upwards and is downward extending longitudinally, thus with the common inner peripheral surface that forms whole electromagnetic brake of inner peripheral surface of coil holder 1.
In order to reduce due to coil 2 noise that adhesive armature 5 produces of switching on, between armature 5 and coil 2, be provided with silencing pad 8.
For preventing particle that friction plate 7 causes due to the wearing and tearing contaminated environment that leaks, friction plate 4 outsides are provided with a seal closure 6. Sealing cover 6 locks by lock screw 9 with described coil holder 1. Sealing cover 6 covers armature 5, friction plate 4 and friction plate 7. Between coil holder 1 and armature 5, between the upper end of friction plate 4 and coil holder 1 and be equipped with sealing ring 10 between friction plate 4 and seal closure 6. In addition, such hermetically-sealed construction also can reduce noise. In an embodiment of the present invention, the cross section of sealing cover 6 is stepped, is made up of enlarged diameter section and reduced diameter section. The end face of the top of seal closure 6 contacts with coil holder 1 lower surface. The outer circumference surface of the reduced diameter section of seal closure 6 matches with the circular hole inner peripheral surface of the docking mechanism (as rotating shaft) being connected with this electromagnetic brake, realizes coaxially assembling, can improve the stability of electromagnetic brake.
The lower surface of friction plate 4 is provided with card platform 11, can be used for this electromagnetic brake and docking mechanism (as rotating shaft) clamping. The quantity of card platform 11 can be set at least two. The structure of card platform 11 can be set to cube structure or cylindrical-shaped structure.
The snap-in electromagnetic brake that the present embodiment provides, is equipped with the connecting screw 12 for this electromagnetic brake is connected with docking mechanism (as rotating shaft) on its coil holder 1 circumference. In the present embodiment, this connecting screw 12 is through described armature 5 and seal closure 6. Further, in this connecting screw 12, be also arranged with locating dowel 13.
As shown in Figure 4, be example taking docking mechanism as rotating shaft, when use, the card platform 11 of this snap-in electromagnetic brake snapped in to the electromagnetic brake draw-in groove in rotating shaft 14, then the connecting screw on electromagnetic brake 12 is lock onto to the fixing hole in rotating shaft 14, electromagnetic brake and rotating shaft 14 can be assembled together. Spring 3 in coil holder 1 due to the locking of lock screw 9 in preloading condition, thereby armature 5 is compacted to the friction plate 7 of friction plate 4 upper surfaces, and the friction plate 7 of friction plate 4 lower surfaces and the end contact of seal closure 6, therefore, want pivoting friction plate 4 and must overcome the torque of pressure initiation thus, thereby also under powering-off state, limit freely rotating of rotating shaft 14. Only have when producing suction after coil 2 energisings, by armature 5 adhesives, armature 5 and friction plate 4 lose (except gravity itself) after normal pressure, and rotating shaft 14 is just rotatable. In order to overcome the self gravitation of armature 5, can thin-walled flexible member be set between the two at armature 5 and friction plate 4, when electromagnetic brake obtains electricly, when freely rotating, rotating shaft 14 can eliminate unexpected wearing and tearing and friction noise.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a snap-in electromagnetic brake, it is characterized in that: comprise coil holder, coil, spring, friction plate, armature and seal closure, described coil is embedded in the cannelure of coil holder, described armature is installed on the below of described coil holder, the inner side of coil holder and outside are embedded with respectively spring, between armature and coil, be provided with silencing pad, friction plate is installed on armature below, the upper surface of friction plate and lower surface are respectively provided with a friction plate, described friction plate outside is provided with a seal closure, sealing cover and described coil holder lock by lock screw, sealing cover covers described armature, friction plate and friction plate, between coil holder and armature, between the upper end of friction plate and coil holder and between friction plate and seal closure, be equipped with sealing ring, the lower surface of described friction plate is provided with Ka Tai.
2. snap-in electromagnetic brake according to claim 1, is characterized in that: the cross section of described seal closure is stepped, is made up of enlarged diameter section and reduced diameter section.
3. snap-in electromagnetic brake according to claim 1, is characterized in that: on described coil holder circumference, be equipped with connecting screw.
4. snap-in electromagnetic brake according to claim 3, is characterized in that: described connecting screw is through described armature and seal closure.
5. snap-in electromagnetic brake according to claim 3, is characterized in that: in described connecting screw, be arranged with locating dowel.
6. snap-in electromagnetic brake according to claim 2, is characterized in that: the outer circumference surface of the reduced diameter section of described seal closure matches with the circular hole inner peripheral surface of the docking mechanism being connected with this electromagnetic brake.
7. snap-in electromagnetic brake according to claim 1, is characterized in that: the quantity of described Ka Tai is at least two.
8. snap-in electromagnetic brake according to claim 1, is characterized in that: described Ka Tai is cube structure or cylindrical-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166508.9A CN103912609B (en) | 2014-04-24 | 2014-04-24 | A kind of snap-in electromagnetic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166508.9A CN103912609B (en) | 2014-04-24 | 2014-04-24 | A kind of snap-in electromagnetic brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912609A CN103912609A (en) | 2014-07-09 |
| CN103912609B true CN103912609B (en) | 2016-05-18 |
Family
ID=51038520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410166508.9A Active CN103912609B (en) | 2014-04-24 | 2014-04-24 | A kind of snap-in electromagnetic brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912609B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020099296A1 (en) * | 2018-11-13 | 2020-05-22 | Chr. Mayr Gmbh + Co. Kg | Electromechanically switchable brake having integral damper structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11202007043QA (en) | 2018-01-24 | 2020-08-28 | Maquet Suzhou Co Ltd | Medical suspension bridge |
| CN108394435B (en) * | 2018-04-02 | 2024-11-15 | 迈柯唯医疗设备(苏州)有限公司 | A display trolley for medical pendant |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57140931A (en) * | 1981-02-20 | 1982-08-31 | Hitachi Ltd | Electromagnetic brake |
| CN102011814A (en) * | 2010-11-23 | 2011-04-13 | 江苏大学 | Disc brake with permanent magnet parking brake mechanism and braking method |
| JP2011190918A (en) * | 2010-03-17 | 2011-09-29 | Yaskawa Electric Corp | Brake device and rotating electric machine |
| CN202833778U (en) * | 2012-07-13 | 2013-03-27 | 天津怡合离合器制造有限公司 | Permanent magnet brake |
| CN203189581U (en) * | 2013-04-19 | 2013-09-11 | 爱默生电梯有限公司 | Brake |
| CN203784148U (en) * | 2014-04-24 | 2014-08-20 | 迈柯唯医疗设备(苏州)有限公司 | Snap-in electromagnetic brake |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090114461A1 (en) * | 2007-10-31 | 2009-05-07 | Textron Inc. | Electric Brake Manual Release Mechanism |
-
2014
- 2014-04-24 CN CN201410166508.9A patent/CN103912609B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57140931A (en) * | 1981-02-20 | 1982-08-31 | Hitachi Ltd | Electromagnetic brake |
| JP2011190918A (en) * | 2010-03-17 | 2011-09-29 | Yaskawa Electric Corp | Brake device and rotating electric machine |
| CN102011814A (en) * | 2010-11-23 | 2011-04-13 | 江苏大学 | Disc brake with permanent magnet parking brake mechanism and braking method |
| CN202833778U (en) * | 2012-07-13 | 2013-03-27 | 天津怡合离合器制造有限公司 | Permanent magnet brake |
| CN203189581U (en) * | 2013-04-19 | 2013-09-11 | 爱默生电梯有限公司 | Brake |
| CN203784148U (en) * | 2014-04-24 | 2014-08-20 | 迈柯唯医疗设备(苏州)有限公司 | Snap-in electromagnetic brake |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020099296A1 (en) * | 2018-11-13 | 2020-05-22 | Chr. Mayr Gmbh + Co. Kg | Electromechanically switchable brake having integral damper structure |
| US11940024B2 (en) | 2018-11-13 | 2024-03-26 | Chr. Mayr Gmbh + Co. Kg | Electromechanically switchable brake having integral damper structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912609A (en) | 2014-07-09 |
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