CN1026723C - Electromagnetic disk brake - Google Patents
Electromagnetic disk brake Download PDFInfo
- Publication number
- CN1026723C CN1026723C CN91108732A CN91108732A CN1026723C CN 1026723 C CN1026723 C CN 1026723C CN 91108732 A CN91108732 A CN 91108732A CN 91108732 A CN91108732 A CN 91108732A CN 1026723 C CN1026723 C CN 1026723C
- Authority
- CN
- China
- Prior art keywords
- disc type
- type brake
- electromagnetic disc
- sound
- electromagnet
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
-
- 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
- F16D65/0006—Noise or vibration control
-
- 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
- F16D2121/22—Electric or magnetic using electromagnets for releasing a normally applied brake
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
An electromagnetic disk brake capable of improving sound insulation effect without affecting cooling effect and with improved maintenance performance, comprises a disk, an armature capable of being pushed toward the disk direction, an electromagnetic iron for attracting the armature away from the disk, and a liner plate arranged between the disk and the armature, wherein via-holes are respectively provided at the center of the components. The liner plate is engaged with a rotation shaft of a rotator to be braked only with respect to the rotation direction, and the shaft is inserted into the via-holes. One of the via-holes away from the rotator to be manufactured is blocked by a sound insulator.
Description
The present invention relates generally to electromagnetic disc type brake, more specifically say, relate to a kind of electromagnetic brake that is applicable to the elevator lifting machine.
Usually, electromagnetic disc type brake is as the break of moving and so on the rotating machinery of motor for example, it places the end of the axle of this machine, for example as being disclosed in open 50-97810 of Japan Patent or 50-108513.Multiple known electromagnetic disc type brake is arranged at present.Basically, electromagnetic disc type brake have one with the liner plate of the axle engagement of rotating machinery; One disk, it is arranged on a side of this liner plate to liner plate, and fixes along sense of rotation; One armature, it is arranged on the opposite side of liner plate, relies on the elastic force of spring and so on that liner plate is compressed on disk; And one is used to make armature to move apart the electromagnet of liner plate.Liner plate is clamped between disk and the armature, or is released to produce braking or to break away from braking.
In the electromagnetic disc type brake that constitutes like this, when braking, make the liner plate contact or be tight against disk and armature by a big active force, when throwing off braking, armature is inhaled consumingly to electromagnet.Therefore, all can produce impulsive sound, the noise of generation is quite big.
Usually, in order to reduce this noise, sound insulation shell on the whole cover outside the electromagnetism disk.
The problem that this traditional method of giving the last shell of the whole cover of electromagnetic disc type brake is brought is, because the existence of sound insulation case has reduced the cooling effect of electromagnet.
An object of the present invention is to provide and a kind ofly have the soundproof effect of improvement and do not reduce the electromagnetic disc type brake of cooling action.
Another object of the present invention provides the electromagnetic disc type brake that a kind of maintainability is improved.
For reaching these purposes, the invention provides a kind of electromagnetic disc type brake, it comprises a disk; One can press to the armature of disk; One can make armature move apart the electromagnet of disk; One liner plate between disk and armature; Be located at the through hole of the center of disk, armature, electromagnet and liner plate respectively; Liner plate is engaged in the running shaft of rotating machinery to be braked, and this running shaft penetrates through hole, and liner plate only is engaged in running shaft with respect to sense of rotation, is sealed by a sound insulating member from far away one of rotating machinery to be braked in all through holes.
Sound insulating member is preferably made by at least a material in the rubber with deadening, stacking damping steel plate and the cast iron.Be preferably made a rubber sound insulating member, and on its insertion portion, form a projection, thereby this sound insulating member can be loaded onto or pull down easily.
In said structure was provided with, the sound insulating member that is set at the noise outlet through all through hole biographies noise energy to the outside absorbed, thereby had fully reduced to drain to the noise content (noise level) of outside.Also have, in the disk that causes in braking or when throwing off braking and the impulsive sound of other member, by that part ofly also being reduced that all through holes spread out of.
According to the present invention, there is not the whole outer cover part that the electromagnetism disk is used that covers, therefore, there is not the factor of obvious destruction cooling performance, so, there is not the undue danger that heats up of electromagnet coil yet.
In addition, owing to do not cover the shell of electromagnetic disc type brake fully, can conveniently safeguard or check break.
Fig. 1 to 7 is all figure of expression first embodiment of the invention;
Fig. 1 is the sectional view along the axis of electromagnetic brake;
Fig. 2 is its side view;
Fig. 3 and 4 is the figure that represent its local content in detail;
Fig. 5 is the perspective view of a sound insulating member;
Fig. 6 is the schematic representation of all primary clusterings of expression one elevator;
Fig. 7 is the plan view of elevator lifting machine;
Fig. 8 is the sectional view of second embodiment of the invention, wherein opposite among disk, electromagnet and the situation that is provided with of being located at all members therebetween and first embodiment;
Fig. 9 is the sectional view of third embodiment of the invention, and wherein, the armature among first embodiment and the apparent surface's of electromagnet circumferential section is setover (offseting);
Figure 10 is the 4th embodiment's a sectional view, and this embodiment comprises that one surrounds first embodiment's the armature and the sound-insulating cover of other member;
Figure 11 is a sound-insulating cover embodiment a perspective view;
Figure 12 is the 5th embodiment's a sectional view, and this embodiment is third and fourth embodiment's combination; And
Figure 13 is the sectional view of the example of the sound-insulating cover that changes to some extent.
With reference to Fig. 1 to 7 first embodiment of the invention is described below.
In first embodiment, electromagnetic disc type brake of the present invention is used for just like the elevator lifting machine shown in Fig. 6 and 7.The structure of this elevator is: be arranged in the machine room 52 at elevator shaft 51 tops one and be provided with a lift 53, on the pulley 54 of this lift 53, be wound with a hawser 55, its two head suspension an elevator car 56 and an equilibrium block 57, make one another upwards can be drawn, lifting (coiling) machine 53 is raised to predetermined floor with elevator car.Lift 53 comprises a motor 58, one reducing gears 59, the electromagnetic disc type brake 60 that pulley 54 and is jobed with reducing gear 59 input shafts 61.
The details of the electromagnetic disc type brake 60 among first embodiment is described with reference to Fig. 1 to 5 below.
This electromagnetic disc type brake 60 has disk 1, one liner plate, 2, one armature 3 and an electromagnet 4.Be provided with all through holes 16 at the axial centre place of these members.The axis of axis alignment reducing gear 59 input shafts 61 of all through holes 16 has the end setting of all members of through hole 16 along axle 61.The shape of the dish 1 that metallic material is done is as a disk, and fixedly connected on the support of reducing gear with many connecting bolts 5.Liner plate 2 is made up of the backing member 2B that metal, a discoid central layer 2A and its configuration can cover the circumferential section of central layer 2A.The splined hole that has match with spline (nibbling) of being fixed in the hub splines 6 of axle 61 to close has formed the inner radial surface of central layer 2A, liner plate 2 is fixed along the sense of rotation with respect to axle 61, but can moves vertically.Backing member 2B makes with high-abrasive material.In this embodiment, liner plate 2 is to be made of central layer 2A that is formed separately and backing member 2B.But the also available high-abrasive material integral body of liner plate 2 is made.Armature 3 and electromagnet 4 install can be fixed on the disk 1 all pilot pins 7 guiding and along moving axially.The position of armature and electromagnet can be spun on the nut 8 on pilot pin 7 ends and regulated by adjusting.There is a through hole 16 axial centre position at the discoid core 4A of electromagnet 4, and an annular recess concentric with through hole 16 arranged on the surface of the core 4A of armature 3.Be wound with coil 4B in this recess, inside-and-outside ring surface radially that separated by this recess, core 4A is as interior outer magnetic pole 4C and 4D.These pole surface are in the face of a side of armature 3.As shown in Figure 3, on the external magnetic poles part 4D of core 4A, there are a plurality of holes 10 along the circumferential direction arranging, in each hole 10, are equipped with one and push armature 3 the clamp screw spring 9 of liner plate 2 usefulness to.As shown in Figure 4, on the circumferential section of armature 3, also there are a plurality of holes 11 along the circumferential direction arranging, have effect (pushing away) power to increase the helical spring 12 of disk 1 and 4 spacings of electromagnet and in each hole 11, more loosely be equipped with one.In disk 1, be embedded with a pin 13, it and each helical spring 12 concentric extension.
In the through hole 16 of the core 4A of electromagnet 4, a sound insulating member 14 has been installed.This sound insulating member 14 is the material that has good sound insulation value by a kind of, and is made as elastic rubber material.Under the situation of present embodiment, as shown in Figure 5, be provided with a convex portion 15 inserting on that a part of external peripheral surface of through hole 16, thereby prevent that this sound insulating member 14 from deviating from.This sound insulating member can be with the material beyond the rubber.For example, it can be made of stacking damping steel plate with sound insulation value or cast iron, to reach and rubber phase deadening together.
Work as the electromagnetic disc type brake of above-mentioned structure will be described below.When the coil 4B of electromagnetic coil 4 energising, attract armature 3 with regard to the power of contrary brake spring 9, at this moment, liner plate 2 can freely rotate between disk 1 and armature 3, thereby makes lift 53 disengagement braking states.Otherwise when stopping to switch among the coil 4B, armature 3 is braked spring 9 and is pressed in forcefully on the disk 1, and liner plate 2 is clamped and can not rotate by the clamping force of disk 1 and armature 3, thereby has stopped lift.
When electromagnetic disc type brake was thrown off, hub splines 6 and liner plate 2 rotations like this, produced noise from its mate.But this noise passes to sound insulating member 14 by all through holes 16 of all members around the axle 61, just by isolated and can not leak into the outside.
When armature 3 is attracted by electromagnet 4 or when electromagnet was thrown off, armature 3 and liner plate 2 or disk collided each other, or the core 4A of armature 3 and electromagnet 4 collides each other.The sound part of this bump is as noise transmission.Leaning on into all through holes 16 places, for example,,, passing to sound insulating member 14 by all through holes 16 as above-mentioned at the attached part noise that advances to locate generation of internal magnetic pole 4C, isolated by this sound insulating member.
Be that the measurement to noise level has confirmed this deadening under the condition of 1000 to 1500 rev/mins of 210 millimeters, motor 58 rotating speeds at disk 1 external diameter.Compared with prior art, when the break disengaged condition, noise level has reduced 3 decibels, has reduced 5 to 10 decibels when serviceability (braking).
Gap length g shown in Fig. 1, between armature 3 and the electromagnet 4 can move electromagnet 4 vertically and regulated by rotation adjusting nut 8.
In first embodiment, disk 1 is fixed on the machine rack, and electromagnet 4 places side outside the liner plate 2.Yet the present invention also can adopt another kind of similarly structure arrangement, and as shown in Figure 8, in this kind structure, electromagnet 4 is fixed on the machine rack, and disk 1 places side outside the liner plate 2, and this has just constituted the present invention second embodiment as shown in Figure 8.In this embodiment, as shown in Figure 8, sound insulating member 14 is installed in the through hole 16 of disk 1 center, thereby can obtain the identical effect with structure shown in Figure 1.
Fig. 9 partly shows all primary clusterings of third embodiment of the invention.Among this embodiment, every assembly all use identical label identical with the assembly shown in Fig. 1 on function and structure represented, no longer it is repeated in this description at this.This embodiment is characterised in that, in the surface of the armature 3 of facing electromagnet 4, be bordering on that part surface of excircle, just surperficial in the face of that part of coil 4B or outer magnetic pole 4D, move after slightly with respect to the surface in center portion, promptly this surface is step-like.Therefore, the gap between electromagnet 4 and the outer magnetic pole 4D increases to g slightly
A, and the gap between the center portion is g
OSo the place that produces Strike note between armature 3 and electromagnet 4 is limited to the core zone.The noise that is produced thus is though part is by at the difference (g by the gap of outside and core
A-g
O) air layer in the gap that limits blazes abroad, and mainly be to spread out of by all through holes 16.Therefore, the reduction anti noise of present embodiment is higher than first embodiment.
Figure 10 shows the fourth embodiment of the present invention.In this embodiment, every assembly all use identical label identical with above-mentioned all embodiments' assembly on function and structure represented, no longer it is repeated in this description at this.This embodiment is characterised in that, a tubulose sound-insulating cover 17 is housed on the external peripheral surface of disk 1 and electromagnet 4, so that liner plate 2 and armature 3 are surrounded.These sound-insulating cover 17 usefulness synthetic resin such as synthetic rubber, layer send damping steel plate, and cast iron and so on material is made, and with all bolts 18 that pass all bolts hole 19 it is fixed on solid dish 1 and the electromagnet 4.Cover on the whole excircle as liner plate 2 usefulness sound-insulating covers 17, the particle that causes that then weares and teares can accumulate in the sound-insulating cover 17, and this just need carry out the maintenance and the inspection of trouble, because must remove the particle that gathers.For addressing this problem, a breach or hole 20 are opened in the bottom (as shown in figure 11) that is preferably in sound-insulating cover, make mill particle down fall sound-insulating cover 17 and can not amass outward.
In this embodiment, the armature 3 that produces in braking or when throwing off braking and the Strike note of other member can not run out of from the excircle position of all members (noise source member) of producing noise, thereby compare the further soundproof effect that improved with first embodiment.The setting of sound-insulating cover 17 has brought the problem that reduces the cooling action of electromagnet 4.But because sound-insulating cover 17 is not entirely to cover electromagnet 4, its temperature rise can be very not high.
Figure 12 represents the fifth embodiment of the present invention, and it is third and fourth embodiment's combination.That is to say, this embodiment has corresponding to being installed in sound insulating member 14 in the through hole 16, all members of step part on the excircle part of sound-insulating cover 17 on electromagnet 4 and the disk 1 and armature 3, so on the basis of these component synergism effects, it has comprehensive soundproof effect.
Figure 13 shows a sound-insulating cover 21, and it is another example of sound-insulating cover 17.A kind of stacking damping steel plate of these sound-insulating cover 21 usefulness is made, and is connected on disk 1 and the electromagnet 4, and rubber parts 21A is clipped in therebetween.Therefore, be connected with higher sealing between cover and the disk 1, electromagnet 4, also improved soundproof effect.
As mentioned above,, a sound insulating member is installed in the through hole of disk or electromagnet, has almost all been removed the noise of propagating by through hole according to the present invention.So, can obtain a kind ofly not only to have improved deadening but also do not reduced electromagnetic brake again to the cooling action of electromagnet.
In addition, compare with the whole sound arrester that covers break, sound insulating member mounting or dismounting of the present invention are convenient and can limit gathering of wear particle, also are easy to maintenance or inspection simultaneously.
Claims (39)
1, a kind of electromagnetic disc type brake comprises:
One braking device, it comprises a disk, a liner plate, an armature and an electromagnet; In the center of above-mentioned each member one through hole is arranged, the axial alignment of the axis of described all through holes and rotating machinery to be braked, described braking device is along an end setting of described rotating machinery axle; Described liner plate is engaged in described rotating machinery axle, so that its energy and described axle rotate together and endwisely slip in described axle upper edge, described disk, armature and electromagnet are limited on the sense of rotation of described rotating machinery; It is characterized in that it also comprises:
One sound insulating member, in the through hole that it one of is installed in described disk and the electromagnet, another in described disk and the electromagnet is fixed on the support of described rotating machinery.
2, electromagnetic disc type brake as claimed in claim 1 is characterized in that, described liner plate is engaged in an end of a rotating machinery axle to be braked; Described disc face to described liner plate two relatively the surface one of; Described armature is in the face of another surface of the described liner plate between described armature and disk, and described armature can move vertically with respect to described rotating machinery axle; Described electromagnet is in the face of another surface of described liner plate, and described armature places between electromagnet and the liner plate; Also comprise at least one elastic component, push away described armature along the direction of the electromagnetic force of contrary described electromagnet with it.
3, electromagnetic disc type brake as claimed in claim 1 is characterized in that, described liner plate is between described disk and armature.
4, as each described electromagnetic disc type brake in the claim 1,2 and 3, it is characterized in that described sound insulating member is made with rubber.
5, electromagnetic disc type brake as claimed in claim 4 is characterized in that, the sound insulating member of described rubber system can be loaded onto by inserting in the described through hole, on it inserts the external peripheral surface of the part in the described through hole convex portion is arranged.
6, as each described electromagnetic disc type brake in the claim 1,2 and 3, it is characterized in that described sound insulating member is made with stacking damping steel plate.
7, as each described electromagnetic disc type brake in the claim 1,2 and 3, it is characterized in that described sound insulating member is cylinder iron made.
8, as each described electromagnetic disc type brake in the claim 1 to 3, it is characterized in that, also comprise a sound-insulating cover, it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
9, electromagnetic disc type brake as claimed in claim 4 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
10, electromagnetic disc type brake as claimed in claim 5 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
11, electromagnetic disc type brake as claimed in claim 6 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
12, electromagnetic disc type brake as claimed in claim 7 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
13, electromagnetic disc type brake as claimed in claim 8 is characterized in that, forms a perforate in the bottom of described sound-insulating cover.
14, as each described electromagnetic disc type brake of claim 9 to 12, it is characterized in that, form a perforate in the bottom of described sound-insulating cover.
15, electromagnetic disc type brake as claimed in claim 1 is characterized in that, described liner plate is connected in an end of the axle of rotating machinery to be braked by spline; Described electromagnet has a discoid core, and there is a through hole at heart place therein; One recess that on one of described core two surfaces, form, concentric with described through hole; One coil in the described recess, the inside and outside annular surface on the described surface of described core is used separately as an internal magnetic pole and an outer magnetic pole, the described surface that described core is positioned at the magnetic pole side in the face of described armature, with another surface in the face of a surface opposite of described liner plate.
16, electromagnetic disc type brake as claimed in claim 13, it is characterized in that, described electromagnet, corresponding to the surface in abutting connection with excircle part of described outer magnetic pole, and with described electromagnet in abutting connection with outer circumference portion divide relative described armature in the surface of excircle part, have at least a surface to move a distance after axially with respect to the core of correspondence.
17, electromagnetic disc type brake as claimed in claim 14, it is characterized in that, the surface corresponding to described outer magnetic pole of described electromagnet in abutting connection with the excircle part, and with described electromagnet in abutting connection with outer circumference portion divide relative described armature in the surface of excircle part, have core axial dipole field one distance of a surface at least with respect to correspondence.
18, as each described electromagnetic disc type brake of claim 15 to 17, it is characterized in that described sound insulating member is made with rubber.
19, electromagnetic disc type brake as claimed in claim 18 is characterized in that, the sound insulating member of described rubber system inserts in the described through hole and can load onto, and inserts at it and forms a convex portion on that part of external peripheral surface in described through hole.
20, as each described electromagnetic disc type brake of claim 15 to 17, it is characterized in that described sound insulating member is made with stacking damping steel plate.
21, as each described electromagnetic disc type brake of claim 15 to 17, it is characterized in that described sound insulating member is cylinder iron made.
22, as each described electromagnetic disc type brake in the claim 15 to 17, it is characterized in that, also comprise a sound-insulating cover, it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
23, electromagnetic disc type brake as claimed in claim 18 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
24, electromagnetic disc type brake as claimed in claim 19 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
25, electromagnetic disc type brake as claimed in claim 20 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
26, electromagnetic disc type brake as claimed in claim 21 is characterized in that, also comprises a sound-insulating cover, and it extends between the outer circumference portion of described disk and electromagnet is divided, to surround described liner plate and armature.
27, electromagnetic disc type brake as claimed in claim 22 is characterized in that, is provided with a perforate on the bottom of described sound-insulating cover.
28, as each described electromagnetic disc type brake of claim 23 to 26, it is characterized in that, on the bottom of described sound-insulating cover, be provided with a perforate.
29, electromagnetic disc type brake as claimed in claim 22 is characterized in that, described sound-insulating cover is made with rubber.
30, as each described electromagnetic disc type brake of claim 23 to 26, it is characterized in that described sound-insulating cover is made with rubber.
31, electromagnetic disc type brake as claimed in claim 27 is characterized in that, described sound-insulating cover is made with rubber.
32, electromagnetic disc type brake as claimed in claim 28 is characterized in that, described sound-insulating cover is made with rubber.
33, electromagnetic disc type brake as claimed in claim 22 is characterized in that, described sound-insulating cover is made with stacking damping steel plate.
34, as each described electromagnetic disc type brake of claim 23 to 26, it is characterized in that described sound-insulating cover is made with stacking damping steel plate.
35, electromagnetic disc type brake as claimed in claim 27 is characterized in that, described sound-insulating cover is made with stacking damping steel plate.
36, electromagnetic disc type brake as claimed in claim 28 is characterized in that, described sound-insulating cover is made with stacking damping steel plate.
37, electromagnetic disc type brake as claimed in claim 33 is characterized in that, described stacking damping steel plate is fixed on the excircle part of described disk and electromagnet, and rubber parts places therebetween.
38, electromagnetic disc type brake as claimed in claim 34 is characterized in that, described stacking damping steel plate is fixed on the excircle part of described disk and electromagnet, and rubber parts places therebetween.
As claim 35 or 36 described electromagnetic disc type brakes, it is characterized in that 39, described stacking damping steel plate is fixed on the excircle part of described disk and electromagnet, rubber parts places therebetween.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2232703A JP2539087B2 (en) | 1990-09-03 | 1990-09-03 | Electromagnetic disk brake |
| JP232703/90 | 1990-09-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1060342A CN1060342A (en) | 1992-04-15 |
| CN1026723C true CN1026723C (en) | 1994-11-23 |
Family
ID=16943454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91108732A Expired - Fee Related CN1026723C (en) | 1990-09-03 | 1991-09-03 | Electromagnetic disk brake |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2539087B2 (en) |
| KR (1) | KR100204100B1 (en) |
| CN (1) | CN1026723C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296269C (en) * | 2002-10-29 | 2007-01-24 | 三菱电机株式会社 | Elevator braking device |
| CN100357172C (en) * | 2004-12-24 | 2007-12-26 | 上海三菱电梯有限公司 | Internal expanding type electromagnetic brake |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005344801A (en) * | 2004-06-02 | 2005-12-15 | Fanuc Ltd | Braking device |
| WO2006049612A1 (en) * | 2004-11-01 | 2006-05-11 | Otis Elevator Company | Elevator disk brake with damping |
| TW200914749A (en) * | 2007-03-15 | 2009-04-01 | Shinko Electric Co Ltd | Electromagnetic brake |
| JP4623233B2 (en) | 2009-02-02 | 2011-02-02 | Ｊｆｅスチール株式会社 | High-strength hot-dip galvanized steel sheet and manufacturing method thereof |
| CN102022462A (en) * | 2010-11-03 | 2011-04-20 | 天津永恒泰科技有限公司 | Driving sleeve for reducing running noise of electromagnetic disc brake and manufacturing method thereof |
| CN102815193A (en) * | 2011-06-08 | 2012-12-12 | 朱淑怡 | Hybrid electric vehicle |
| US10442659B2 (en) * | 2015-06-29 | 2019-10-15 | Otis Elevator Company | Electromagnetic brake system for elevator application |
| DE102016119027A1 (en) * | 2016-10-07 | 2018-04-12 | Chr. Mayr Gmbh + Co. Kg | Electromagnetic brake with a controllable armature disc movement |
| US10288133B1 (en) * | 2017-12-06 | 2019-05-14 | Warner Electric Technology Llc | Rotational coupling device having means for sealing the interface between the armature and the electromagnet |
| CN112737232A (en) * | 2020-12-29 | 2021-04-30 | 赵师华 | Motor stabilizer blade is restoreed with firm equipment that reduces noise pollution |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152183U (en) * | 1974-10-18 | 1976-04-20 | ||
| JPS5822532U (en) * | 1981-08-06 | 1983-02-12 | 日本電気株式会社 | Non-excitation operated electromagnetic brake |
| JPS6220923A (en) * | 1985-07-19 | 1987-01-29 | Ogura Clutch Co Ltd | Negative operating type solenoid brake |
| JPH02154820A (en) * | 1988-12-02 | 1990-06-14 | Hitachi Ltd | Electromagnetic disc brake |
-
1990
- 1990-09-03 JP JP2232703A patent/JP2539087B2/en not_active Expired - Lifetime
-
1991
- 1991-09-03 CN CN91108732A patent/CN1026723C/en not_active Expired - Fee Related
- 1991-09-03 KR KR1019910015340A patent/KR100204100B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296269C (en) * | 2002-10-29 | 2007-01-24 | 三菱电机株式会社 | Elevator braking device |
| CN100357172C (en) * | 2004-12-24 | 2007-12-26 | 上海三菱电梯有限公司 | Internal expanding type electromagnetic brake |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100204100B1 (en) | 1999-06-15 |
| CN1060342A (en) | 1992-04-15 |
| KR920006216A (en) | 1992-04-27 |
| JP2539087B2 (en) | 1996-10-02 |
| JPH04113036A (en) | 1992-04-14 |
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