CN103842684A - Electromagnetic brake - Google Patents
Electromagnetic brake Download PDFInfo
- Publication number
- CN103842684A CN103842684A CN201280048704.5A CN201280048704A CN103842684A CN 103842684 A CN103842684 A CN 103842684A CN 201280048704 A CN201280048704 A CN 201280048704A CN 103842684 A CN103842684 A CN 103842684A
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- China
- Prior art keywords
- disk
- wheel hub
- retaining ring
- yoke
- electromagnetic brake
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- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
- F16D55/26—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
- F16D55/28—Brakes with only one rotating disc
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- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/0058—Fully lined, i.e. braking surface extending over the entire disc circumference
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- 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)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
In order to provide an electromagnetic brake with which abnormal noise occurring when the brake is released can be eliminated with a simple adjustment operation, this electromagnetic brake (1) has a yoke (2) in which an electromagnetic coil (5) is arranged, with an end disk (12) affixed to this yoke (2), and an armature disk (6) and an inner disk (13) which rotates by receiving the rotation of a hub (3) being arranged in a movable manner between the yoke and the end disk, and the armature disk (6) constantly pressed in the direction away from the end of the yoke (2). In addition, a retaining ring (17) that is integral with the inner disk (13) is arranged at the end-face side of the hub (3), an adjustment ring (18) into which a rotation transmission shaft can be inserted is screwed into this retaining ring (17), and the adjustment ring (18) and the hub (3) are formed with magnetic material. By means of this configuration, the most forward position of the inner disk (13) can be adjusted when the adjustment ring (18) is screwed into the retaining ring (17). Furthermore, the adjustment ring (18) is magnetized and drawn toward the magnetized hub (3), so the adjustment ring (18) and the inner disk (13) which is integral with the retaining ring (17) do not vibrate, so abnormal noise is not produced.
Description
Technical field
The present invention relates in the time that assembling is transmitted from the rotation passing shaft of outside rotation the electromagnetic brake of adjusting operation and can eliminate the non-excitation actuating shape of the abnormal sound while braking release by simple.
Background technique
In the past, as the electromagnetic brake of non-excitation actuating shape, there is the electromagnetic brake shown in Figure 10 and Figure 11.This electromagnetic brake 51, has the yoke 52 being made up of the columned magnetic that possesses flange part 52a, and heart portion is provided with the hollow hole 52b of the front end that can place aftermentioned wheel hub 53 therein.In above-mentioned yoke 52, expose and configured electromagnetic coil 55 in end face side, be constituted as the end face side that aftermentioned armature disk 56 is adsorbed onto to yoke 52.In addition, in above-mentioned yoke 52,4 positions that are equally spaced on medially that are positioned at electromagnetic coil 55 have configured brake spring 57, be constituted as conventionally armature disk 56 is pushed to the direction of the end face that leaves yoke 52.And then, in above-mentioned yoke 52, be positioned at end face side ground 6 stud bolts 58 have equally spaced been installed, guided to configure armature disk 56 by the head 58a of this stud bolt 58.This armature disk 56 is made up of magnetic, is constituted as the end face side that is adsorbed to yoke 52 in the time that electromagnetic coil 55 is switched on.And, this stud bolt 58 have to yoke 52 opposition sides extend screw section 58b, on the 58b of this screw section, through adjust liner 61, fixed the end disc 62 being formed by magnetic in the mode becoming one.
Between above-mentioned yoke 52 and end disc 62, configure and the wheel hub 53 transmitting from rotation passing shaft (not shown) one of the outside rotation of driving source etc., in the end disc 62 side peripheries of this wheel hub 53, form external spline 53a.In addition, around this wheel hub 53, configured the interior disk 63 at central side with internal spline 63a, this internal spline 63a engages with the external spline 53a of wheel hub 53, is constituted as that wheel hub 53 and interior disk 63 rotate integratedly and interior disk 63 can move with respect to wheel hub 53.And then, being constituted as, above-mentioned wheel hub 53 is made up of magnetic, and interior disk 63 is made up of nonmagnetic material, and in the time that electromagnetic coil 55 is switched on, wheel hub 53 is magnetized, but interior disk 63 is not magnetized.And, be constituted as, near the two sides periphery of above-mentioned interior disk 63, paste brake lining 64, at interior disk 63, in the time that this brake lining 64 is clamped by armature disk 56 and end disc 62, the slip of interior disk 63 is eliminated.
In addition, the interval of above-mentioned yoke 52 and end disc 62 is set slightly greatlyr than the total of each thickness of armature disk 56, interior disk 63, brake lining 64, has formed armature disk 56 and the mobile gap of interior disk 63 when electromagnetic coil 55 is switched on.
On above-mentioned interior disk 63, the retaining ring 67 of having been fixed disk shape by fixing bolt 73 to cover the mode of end face of wheel hub 53, is constituted as retaining ring 67 and interior disk 63 moves integratedly.Above-mentioned retaining ring 67 has opening 67a at central part, on this opening 67a through bearing (not shown) can be interspersed configured above-mentioned rotation passing shaft, retaining ring 67 is constituted as can rotate passing shaft along this and move.In addition, above-mentioned retaining ring 67 and interior disk 63 are made up of nonmagnetic material, and are constituted as the end face side that is not adsorbed to yoke 52 in the time that electromagnetic coil 55 is switched on.And then, in above-mentioned retaining ring 67, configure height and position and adjusted bolt 72 being equally spaced on 3 positions with the position of the end contact of wheel hub 53, and be constituted as height and position and adjust the front end of bolt 72 and the end face butt of wheel hub 53.This height and position is adjusted bolt 72, discharges the progressive position that the time limit is made for the interior disk 63 of free state, and be constituted as gap that can not adjust with interior disk 63 end face of retaining ring 67 and wheel hub 53 with the mode of armature disk 56 butts in braking.
Formerly technical paper
Patent documentation
Patent documentation 1: Japan opens clear 58-38043 communique in fact
Summary of the invention
Invent problem to be solved
In above-mentioned electromagnetic brake, adjust bolt 72 by the height and position that is arranged on 3 positions and carry out the adjustment of the progressive position of interior disk 63, for example, in the situation that adjusting bolt 72 as height and position and having used M5 bolt, often carry out 1 circle rotation, all only have the adjustment surplus of 0.8mm.And, because be subject to the impact at the interval (backlash) of the internal thread part screw-thread fit of external thread part for making M5 bolt and retaining ring 67, so it is very difficult to carry out the gap adjustment of number mm after decimal point, and spread all over 3 positions and carry out such gap adjustment and be starved of labour, become that to adjust unsuitable situation many.And, be unsuitable if adjusted, in the time that discharging, braking is accompanied by the rotation of the interior disk 63 that becomes free state, in the case of sticking on brake lining 64 on interior disk 63 contacts with armature disk 56, there is the danger of generation abnormal sound.In addition, the vibration campaign during due to the rotation by wheel hub 53 of the interior disk 63 of free state, so the internal spline 63a of interior disk 63 and the external spline 53a of wheel hub 53 contact repeatedly, also can produce abnormal sound etc. and produce undesirable condition.
The first object of the present invention, is to provide the such undesirable condition of a kind of thorough elimination, the electromagnetic brake of the non-excitation actuating shape of abnormal sound when the simple adjustment operation during by assembling can be eliminated braking release.
In addition, the second object of the present invention, is on the basis of above-mentioned purpose, and a kind of electromagnetic brake that can improve erasure effect is provided.
In order to solve the means of problem
The present invention, in order to reach the first object, the following electromagnetic brake forming: there is the yoke that has configured electromagnetic coil in end face side, in this yoke, separate predetermined distance ground anchor portion disk, between this yoke and end disc, configure movably armature disk, and conventionally by brake spring, this armature disk is pushed to the direction of leaving from the end face of yoke, on the other hand, the interior disk that wheel hub on the rotation passing shaft configuring between above-mentioned armature disk and end disc and can be mounted externally rotates integratedly, conventionally by armature disk, interior disk is pressed to end disc thruster, it is characterized in that, in the end face side configuration retaining ring of above-mentioned wheel hub, disk in fixing integratedly in this retaining ring, on the other hand, configuration can intert rotates passing shaft and the regulating ring with retaining ring screw-thread fit, and by the end face butt of the front-end configuration Cheng Keyu wheel hub of regulating ring, and then regulating ring and wheel hub are formed by magnetic.
By forming in this wise, in the time of the adjustment of the progressive position of interior disk, if regulating ring is screwed in to retaining ring, whole of its front-end face end face with respect to wheel hub advances equably.Therefore, due to whole energy of the front end of regulating ring simultaneously with wheel hub end face butt, so can adjust simply the position of regulating ring, retaining ring and interior disk.In addition, even can not carry out below unsuitable adjustment because the adjusting range of the progressive position of interior disk is little to 1mm yet, even so disk is rotated under the state that braking has been released, interior disk also can not contact with armature disk, can there is no the generation of abnormal sound completely.And then in the time that braking is released, interior disk becomes free state, but simultaneously by the energising of electromagnetic coil, regulating ring is magnetized together with wheel hub, is adsorbed to hub side.Therefore, even if vibration proof mechanism is not set in retaining ring, also do not vibrate with the retaining ring that regulating ring is wholely set, the interior disk being wholely set in this retaining ring does not also vibrate.
Like this, interior disk and retaining ring are absorbed and fixed on wheel hub through regulating ring, and these each several parts can not waited and be contacted and produce abnormal sound by vibration each other.
As the concrete structure of the screw-thread fit of above-mentioned retaining ring and regulating ring, central side in retaining ring arranges internal thread part, external thread part with above-mentioned internal thread part screw-thread fit is set on regulating ring, even by this external thread part be configured to can with the end face butt of above-mentioned wheel hub, also can obtain same effect.
In addition, even above-mentioned interior disk is made to nonmagnetic material, also can obtain same effect.And then, also interior disk can be made to magnetic, even if in the case retaining ring is made to magnetic, also can obtain same effect.
The present invention, in order to reach the second object, is characterized in that, on the basis except above-mentioned structure, between armature disk and interior disk, has configured outer disc, and this outer disc has been pasted noise reduction thin slice.
According to this structure, if electromagnetic coil becomes non-energising, armature disk pressed to end disc thruster and internally disk apply braking, even but impact while being stopped by interior disk comes in contact and produce abnormal sound in the snap-latch surface of interior disk and wheel hub, also can eliminate this abnormal sound by the noise reduction thin slice sticking on outer disc.
The effect of invention
According to the present invention described above, can provide a kind of in the time that assembling is transmitted from the rotation passing shaft of outside rotation by the simple electromagnetic brake of adjusting operation and can eliminate the non-excitation actuating shape of the abnormal sound while braking release.
Brief description of the drawings
Fig. 1 is the A-A line amplification view of Fig. 2.
Fig. 2 is the plan view of the electromagnetic brake of the first mode of execution of the present invention.
Fig. 3 is the B-B line major component amplification view of Fig. 2.
Major component amplification view when Fig. 4 is the braking maneuver of electromagnetic brake of the first mode of execution of the present invention.
Fig. 5 be the first mode of execution of the present invention electromagnetic brake braking discharge time major component amplification view.
Fig. 6 is the major component sectional view of the electromagnetic brake of the second mode of execution of the present invention.
Major component amplification view when Fig. 7 is the braking maneuver of electromagnetic brake of the second mode of execution.
Fig. 8 be the second mode of execution electromagnetic brake braking discharge time major component amplification view.
Fig. 9 is the major component sectional view of the two-layer accumulation structure electromagnetic brake of the 3rd mode of execution of the present invention.
Figure 10 is the plan view of past case.
Figure 11 is the C-C line sectional view of Figure 10.
Embodiment
For the mode carrying out an invention
Below, with reference to the accompanying drawings of embodiments of the present invention.
< the first mode of execution >
As shown in Figures 1 and 2, the electromagnetic brake 1 without excitation shape of this mode of execution, is longitudinally to place to configure the electromagnetic brake using.This electromagnetic brake 1, has the yoke of making cylindric magnetic 2 that possesses flange part 2a, and heart portion is provided with hollow hole 2b in the mode of the front end that can place aftermentioned wheel hub 3 therein.At the flange part 2a of above-mentioned yoke 2, be equally spaced provided with mounting hole (not shown), be constituted as and yoke 2 can be arranged on to position arbitrarily by fixing bolt 4.In above-mentioned yoke 2, expose and configured electromagnetic coil 5 to end face side, be constituted as the end face side that aftermentioned armature disk 6 can be adsorbed onto to yoke 2.In addition, in above-mentioned yoke 2,4 positions that are equally spaced on medially that are positioned at electromagnetic coil 5 have configured brake spring 7, be constituted as conventionally armature disk 6 is pushed to the direction of the end face that leaves yoke 2.
In above-mentioned yoke 2, be positioned at end face side ground 6 stud bolts 8 be equally spaced installed, the head 8a of this stud bolt 8 is also used as the axis of guide, with along this head 8a movably mode configured armature disk 6.On this armature disk 6, be provided with stepped openings 6a, can be interspersed on this stepped openings 6a formed wheel hub 3.In addition, this armature disk 6 is made up of magnetic, and is constituted as the end face side that is adsorbed to yoke 2 in the time that above-mentioned electromagnetic coil 5 is switched on.And then, in the periphery of this armature disk 6, stop pawl 9 is installed, be constituted as by the proximity detector 10 being arranged in yoke 2 and detect approaching of this stop pawl 9.
Above-mentioned stud bolt 8 has to the screw section 8b extending with armature disk 6 opposition sides, at this screw section 8b, through adjusting liner 11, has fixed in the mode becoming one with stud bolt 8 end disc 12 being made up of magnetic.The gap of above-mentioned end disc 12 and yoke 2, is set slightly greatlyr than the total of each thickness of disk 13 in armature disk 6 and aftermentioned and aftermentioned brake lining 14, has formed the gap that can carry out the movement of armature disk 6 and interior disk 13.In addition, at 3 positions of the outer circumferential side of armature disk 6, as shown in Figure 3, run through that being provided with moves about and intert emptying aperture 6b, on this moves about inserting hole 6b, configured with the braking of yoke 2 screw-thread fit and discharged bolt 15.This braking discharges bolt 15 from 2 positions to yoke 2 thruster piezoelectricity pivot disks 6, is constituted as the braking that can remove forcibly inside disk 13.
Between above-mentioned armature disk 6 and end disc 12, make a part be positioned at yoke and 2 configured the wheel hub 3 on the outside rotation passing shaft 16 that can be arranged on driving source etc., in the end disc 12 side peripheries of this wheel hub 3, form external spline 3a.In addition, configured the interior disk 13 at central side with internal spline 13a around this wheel hub 3, this internal spline 13a engages with the external spline 3a of wheel hub 3, is constituted as that wheel hub 3 and interior disk 13 rotate integratedly and interior disk 13 can move with respect to wheel hub 3.And then disk 13 in this, through above-mentioned armature disk 6, conventionally presses to end disc 12 thrusters, and be constituted as, become free state at armature disk 6 to disk 13 in yoke 2 side draughts are when attached.
Above-mentioned wheel hub 3 is made up of magnetic, and interior disk 13 is made up of nonmagnetic material, and in the time that electromagnetic coil 5 is switched on, wheel hub 3 is magnetized, but interior disk 13 is constituted as and is not magnetized.In addition, on near the two sides periphery of above-mentioned interior disk 13, paste brake lining 14, through this brake lining 14, interior disk 13 clamps (Fig. 3 reference) by armature disk 6 and end disc 12, is constituted as the slip of disk 13 in applying while braking and is eliminated on interior disk 13.In addition, above-mentioned interior disk 13 can be also magnetic.
On above-mentioned interior disk 13, be positioned at wheel hub 3 end face side fixed retaining ring 17 in the mode that covers it by fixing bolt 23, this retaining ring 17 is made disk shape, is constituted as with interior disk 13 and rotates integratedly.Above-mentioned retaining ring 17 has internal thread part 17a near central authorities, and at this internal thread part 17a, the external thread part 18a that is constituted as regulating ring 18 carries out screw-thread fit.The front end of this external thread part 18a be constituted as can with the end face butt of above-mentioned wheel hub 3, and the progressive position that is constituted as internal disk 13 limits.In addition, above-mentioned regulating ring 18 has opening 18b, in this opening 18b, has interted above-mentioned rotation passing shaft 16 through bearing (not shown), and is constituted as regulating ring 18 and can moves along rotation passing shafts 16.
Above-mentioned regulating ring 18 has flange part 18c, on its outer circumferential face, is provided with annular knurl, is constituted as worker and can gives rotation to regulating ring 18 by manual task.In addition, on this regulating ring 18, at its periphery has been carried out to three position configuration of cutting apart construction bolt 19, the moving pavement of construction bolt 19 over the ground in retaining ring 17, runs through and is provided with tapped hole 17b periphery being carried out to 12 positions of cutting apart therewith.By above-mentioned construction bolt 19 and tapped hole 17b, be configured in each position secured adjusted ring 18 and the retaining ring 17 integratedly that makes each rotation 30 degree of regulating ring 18.Above-mentioned regulating ring 18 is made up of magnetic, and retaining ring 17 is made up of nonmagnetic material, is constituted as retaining ring 17 in the time that electromagnetic coil 5 is switched on and does not magnetize, and regulating ring 18 is adsorbed to the end face side of wheel hub 3.
In addition, replace, in above-mentioned retaining ring 17, internal thread part 17a is set, external thread part 18a is set on regulating ring 18, they are made to thread fiting part, also can external thread part (not shown) be set in the periphery of retaining ring 17, on regulating ring 18, the internal thread part (not shown) of setting and above-mentioned external thread part screw-thread fit, makes thread fiting part by them.In addition, also interior disk 13 can be made to magnetic, also retaining ring 17 can be made to magnetic in the case.
Below, the adjustment operation during to assembling electromagnetic brake 1 describes.In above-mentioned electromagnetic brake, after yoke 2 is arranged on to assigned position, construction bolt 19 is unclamped until depart from from retaining ring 17, wheel hub 3 is assembled on the rotation passing shaft 16 of the outside rotation of transmitting rotary driving source etc.Now, the top of wheel hub 3 is between armature disk 6 and end disc 12, and in the time of electromagnetic coil 5 non-power status, armature disk 6 is pushed interior disk 13 by brake spring 7 to end disc 12 sides (in Fig. 4, reference arrow).Under this state, worker screws in this regulating ring 18 and advance with respect to retaining ring 17 to fastening direction after making by manual task direction rotation that regulating ring 18 draws back with respect to retaining ring 17.And, by worker, regulating ring 18 being entered to wheel hub 3 thrusters, armature disk 6 is revolted brake spring 7 and is pushed into through retaining ring 17 and interior disk 13 and brake lining 14.Now, worker confirms whether proximity detector 10 has detected approaching of armature disk 6.This operation repeatedly, if approaching of armature disk 6 detected by proximity detector 10, worker makes regulating ring 18 further append rotation one amount of cutting apart or two amounts of cutting apart (30～60 degree) to fastening direction from this position.Therefore, the external thread part 18a of regulating ring 18 is only advanced further 1/12 spacing or 1/6 spacing with respect to retaining ring 17.By appending thus advancing of the external thread part 18a that carries out of rotation, the position of the interior disk when external thread part 18a of regulating ring 18 and the end face butt of wheel hub 3, the progressive position of interior disk 13 retreats.Fixed by construction bolt 19 in this position retaining ring 17 and regulating ring 18, the adjustment of regulating ring 18 finishes.Now, whole of the front-end face of regulating ring 18 end face with respect to wheel hub 3 advances equably, whole energy of the front end of regulating ring 18 simultaneously with wheel hub end face butt.Therefore, main by only regulating ring 18 being screwed in to the so simple operation of retaining ring 17, just can adjust and the progressive position of the interior disk 13 of retaining ring 17 one.
In addition, even if the adjusting range of the progressive position of interior disk 13 is little below 1mm, if reduce to be arranged on the spacing of the internal thread part 17a in retaining ring 17, if for example the spacing of this internal thread part 17a is made to 1mm,, by making regulating ring 18 rotate the amount of cutting apart, also can make retaining ring 17 and inner loop 13 retreat about 0.08mm.Because this amount of retreating is fully little compared with above-mentioned adjustment width, so only by regulating ring 18 is screwed in to retaining ring 17, just can suitably carry out the adjustment of the progressive position of interior disk 13.
Then, actual use state is described.After the adjustment of above-mentioned regulating ring 18 is through with, if make electromagnetic coil 5 become "on" position, as shown in Figure 5, armature disk 6 is adsorbed to yoke 2 sides (reference arrow), and braking is released, and interior disk 13 becomes free state.Meanwhile, by the energising of electromagnetic coil 5, wheel hub 3 and regulating ring 18 are magnetized, and regulating ring 18 is adsorbed on wheel hub 3.Be accompanied by the movement of the regulating ring 18 that absorption is carried out thus, retaining ring 17 and interior disk 13 be to armature disk 6 side shiftings, stick on brake lining 14 on interior disk 13 be about to armature disk 6 butts before (carry out when the remaining adjustment by regulating ring 18 append the advance amount that rotation produces) external thread part 18a of regulating ring 18 and the end contact of wheel hub 3 and stop.Therefore, form gap in the brake lining 14 on the two sides of interior disk 13 and armature disk 6, end disc 12 between separately.Gap thus, in the time of the rotation of rotation passing shaft 16 in disk 13 be rotated integratedly, but stick on brake lining 14 on interior disk 13 and armature disk 6, end disc 12 any can not contact, can there is no the generation of abnormal sound completely.In addition, even if vibration proof mechanism is not set in retaining ring 17, because regulating ring 18 is adsorbed on wheel hub 3, so there is no the movement along rotation passing shaft 16 of regulating ring 18, do not vibrate with the retaining ring 17 that regulating ring 18 arranges integratedly, the interior disk 13 being arranged on integratedly in this retaining ring 17 does not also vibrate.
Like this, interior disk 13 and retaining ring 17 are absorbed and fixed on wheel hub 3 through regulating ring 18, and these each several parts can not waited and be contacted and produce abnormal sound by vibration each other.In addition, less than contacting of the engagement portion at the internal spline 13a of interior disk 13 and the external spline 3a of wheel hub 3, can there is no the generation at the abnormal sound of this engagement portion completely.
As described above, embodiments of the present invention are a kind of electromagnetic brakes, it forms in such a way: have the yoke 2 that has configured electromagnetic coil 5 in end face side, in this yoke 2, separate predetermined distance ground anchor portion disk 12, between this yoke 2 and end disc 12, configure movably armature disk 6, and this armature disk 6 is pushed to the direction of leaving from the end face of yoke 2 conventionally by brake spring 7, on the other hand, form in such a way: the interior disk 13 that the wheel hub 3 on the rotation passing shaft configuring between armature disk 6 and end disc 12 and can be mounted externally rotates integratedly, interior disk 13 is pressed to end disc 12 thrusters conventionally through armature disk 6,
It is characterized in that, in the end face side configuration retaining ring 17 of above-mentioned wheel hub 3, disk 13 in fixing integratedly in this retaining ring 17, on the other hand, configuration can intert rotates passing shaft and the regulating ring 18 with retaining ring 17 screw-thread fit, by the end face butt of the front-end configuration Cheng Keyu wheel hub 3 of this regulating ring 18, and then regulating ring 18 and wheel hub 3 are formed by magnetic.
By forming in this wise, in the time of the adjustment of the progressive position of interior disk 13, if regulating ring 18 is screwed in to retaining ring 17, whole of its front-end face end face with respect to wheel hub 3 advances equably.Therefore, due to whole energy of the front end of regulating ring 18 simultaneously with the end face butt of wheel hub 3, so can adjust simply the progressive position of regulating ring 18, retaining ring 17 and interior disk 13.In addition, even can not carry out below unsuitable adjustment because the adjusting range of the progressive position of interior disk 13 is little to 1mm yet, so while having discharged braking electromagnetic coil 5 is switched on, even if interior disk 13 has rotated, also can not contact with armature disk 6, can there is no the generation of abnormal sound completely.And then in the time that braking discharges, interior disk 13 becomes free state, but simultaneously by the energising of electromagnetic coil 5, regulating ring 18 is magnetized together with wheel hub 3, is adsorbed to wheel hub 3 sides.Therefore, even if vibration proof mechanism is not set in retaining ring 17, also do not vibrate with the retaining ring 17 that regulating ring 18 arranges integratedly, the interior disk 13 being arranged on integratedly in this retaining ring 17 does not also vibrate.
Like this, interior disk 13 and retaining ring 17 are absorbed and fixed on wheel hub 3 through regulating ring 18, and these each several parts can not waited and be contacted and produce abnormal sound by vibration each other.In addition, less than contacting of the engagement portion at the internal spline 13a of interior disk 13 and the external spline 3a of wheel hub 3, can there is no the generation at the abnormal sound of this engagement portion completely.
< the second mode of execution >
The second mode of execution of the present invention is described.The second mode of execution of the present invention, is characterized in that, between the armature disk 6 of recording and interior disk 13, has inserted outer disc 21 at the first mode of execution, and this outer disc 21 has been pasted absorption thin slice 20.That is, as shown in FIG. 6 and 7, be provided with the yoke 2 that possesses electromagnetic coil 5 and brake spring 7, in this yoke 2, fixed end disc 12 through stud bolt 8 and adjustment liner 11.To have been configured armature disk 6 by the mode of the head 8a of above-mentioned stud bolt 8 guiding, this armature disk 6 is pushed to the direction of leaving from the end face of yoke 2 conventionally by brake spring 7.In addition, guided by the head 8a of above-mentioned stud bolt 8, configured outer disc 21, pasted noise reduction thin slice 20 in armature disk 6 sides of this outer disc 21.And then above-mentioned outer disc 21 is made up of magnetic, in the time that electromagnetic coil 5 is switched on, be adsorbed to yoke 2 sides together with armature disk 6.
On the other hand, between above-mentioned outer disc 21 and end disc 12, make a part be positioned at yoke and 2 configured the wheel hub 3 on the outside rotation passing shaft that can be arranged on driving source etc., in the end disc 12 side peripheries of this wheel hub 3, formed external spline 3a.In addition, around above-mentioned wheel hub 3, configure the interior disk 13 at central side with internal spline 13a, this internal spline 13a engages with the external spline 3a of wheel hub 3, wheel hub 3 and interior disk 13 rotate integratedly, and interior disk 13 is constituted as and can moves with respect to wheel hub 3.And then above-mentioned interior disk 13 is pressed to end disc 12 thrusters through above-mentioned armature disk 6 conventionally, be constituted as the internal disk 13 of braking and work.Above-mentioned wheel hub 3 is made up of magnetic, and interior disk 13 is made up of nonmagnetic material, in the time that electromagnetic coil 5 is switched on, be constituted as wheel hub 3 and be magnetized, but interior disk 13 is not magnetized.In addition, near the periphery of above-mentioned interior disk 13, pasted brake lining 14, interior disk 13 is clamped by armature disk 6 and end disc 12 through this brake lining 14, and the slip that is constituted as interior disk 13 is eliminated.And then, the interval of above-mentioned yoke 2 and end disc 12 is set slightly greatlyr than the total of each thickness of armature disk 6, interior disk 13, brake lining 14, outer disc 21, noise reduction thin slice 20, armature disk 6, interior disk 13 and the mobile gap of outer disc 21 while having formed the energising of electromagnetic coil 5.
According to above-mentioned electromagnetic brake, except the action effect same with the first mode of execution, can also eliminate the abnormal sound producing in the time of the non-energising of electromagnetic coil 5.That is, as shown in Figure 8, in the time of the energising of electromagnetic coil 5, armature disk 6 and outer disc 21 are adsorbed to yoke 2 sides, be secured at brake lining 14 on interior disk 13 and outer disc 21, end disc 12, any does not contact.Therefore the abnormal sound, not produced by the rotation of interior disk 13.In addition, in the time that electromagnetic coil 5 becomes non-energising, armature disk 6 is pressed and applied braking on interior disk 13 to end disc 12 thrusters.In the time that this brakes, produce by outer disc 21 and stick between the brake lining 14 on interior disk 13, abnormal sound that contact between brake lining 14 and end disc 12 and between the internal spline 13a of interior disk 13 and the external spline 3a of wheel hub 3 produces.But, even if produce these abnormal sounds, also can eliminate these abnormal sounds by the noise reduction thin slice 20 sticking on outer disc 21.
In addition, any of the first mode of execution of the present invention, the second mode of execution, is all illustrated longitudinal placement configuration, even but laterally place configuration and also can bring same effect.And then, by experimental verification longitudinal placement configuration no matter just put, be inverted, even and then make longitudinal placement and laterally place between slant setting, also can play effect similar to the above.
< the 3rd mode of execution >
The 3rd mode of execution of the present invention, is characterized in that, will make two-layer accumulation structure by the electromagnetic brake of the first mode of execution and the explanation of the second mode of execution.; the electromagnetic brake that two-layer accumulation structure electromagnetic brake 31(records the first mode of execution describes); as shown in Figure 9, there is the first electromagnetic brake 31A and the second electromagnetic brake 31B that link with outside rotation passing shaft 16 with gap that separate regulation.These the first electromagnetic brake 31A and the second electromagnetic brake 31B, made the structure identical with the first mode of execution, and the description thereof will be omitted.In addition, above-mentioned rotation passing shaft 16 is made up of multidiameter shaft, this rotation fixed the wheel hub 3 of the first electromagnetic brake 31A on passing shaft 16 in the mode of rotating integratedly and be positioned at the first electromagnetic brake 31A above the wheel hub 3 of the second electromagnetic brake 31B.Above-mentioned gap, becomes following gap: in the time that the construction bolt of the first electromagnetic brake 31A 19 is loaded and unloaded with respect to retaining ring 17, there is no obstacle, there is no in addition obstacle in the time that worker uses this construction bolt 19 that regulating ring 18 is rotated.
In above-mentioned two-layer accumulation structure electromagnetic brake 31, hand is allowed gap between the first electromagnetic brake 31A and the second electromagnetic brake 31B by worker, similarly carry out the handling of construction bolt 19 with the first mode of execution, and regulating ring 18 can be screwed in to the adjustment of the progressive position that carries out interior disk 13 with respect to retaining ring 17, a kind of electromagnetic brake with the powerful braking ability that can not carry out in electromagnetic brake in the past can be provided.
In addition, several mode of executions of the present invention are illustrated, but the concrete structure of each several part is not to be only defined in above-mentioned mode of execution, in the scope that does not depart from aim of the present invention, can carry out various distortion.
In industry, utilize possibility
According to the present invention of above detailed description, can provide a kind of in the time that assembling is transmitted from the rotation passing shaft of outside rotation by the simple electromagnetic brake of adjusting operation and can eliminate the non-excitation actuating shape of the abnormal sound while braking release.
1: electromagnetic brake
2: yoke
3: wheel hub
5: electromagnetic coil
6: armature disk
7: brake spring
12: end disc
13: interior disk
17: retaining ring
18: regulating ring.
Claims (5)
1. an electromagnetic brake, the following electromagnetic brake forming: there is the yoke that has configured electromagnetic coil in end face side, in this yoke, separate predetermined distance ground anchor portion disk, between this yoke and end disc, configure movably armature disk, and conventionally by brake spring, this armature disk is pushed to the direction of leaving from the end face of yoke, on the other hand, the interior disk that wheel hub on the rotation passing shaft configuring between above-mentioned armature disk and end disc and can be mounted externally rotates integratedly, conventionally by armature disk, interior disk is pressed to end disc thruster, it is characterized in that,
In the end face side configuration retaining ring of above-mentioned wheel hub, disk in fixing integratedly in this retaining ring, on the other hand, configuration can intert rotates passing shaft and the regulating ring with retaining ring screw-thread fit, and by the end face butt of the front-end configuration Cheng Keyu wheel hub of regulating ring, and then regulating ring and wheel hub are formed by magnetic.
2. the electromagnetic brake of recording as claim 1, is characterized in that,
Retaining ring is provided with internal thread part at central side, on regulating ring, be provided with and the external thread part of above-mentioned internal thread part screw-thread fit, by this external thread part be configured to can with the end face butt of wheel hub.
3. the electromagnetic brake of recording as claim 1 or 2, is characterized in that, interior disk is made up of nonmagnetic material.
4. the electromagnetic brake of recording as claim 1 or 2, is characterized in that, interior disk and retaining ring are made up of magnetic.
5. the electromagnetic brake of recording as claim 1, is characterized in that, between armature disk and interior disk, has configured outer disc, has pasted noise reduction thin slice in the armature disk side of this outer disc.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011223341 | 2011-10-07 | ||
| JP2011-223341 | 2011-10-07 | ||
| PCT/JP2012/075767 WO2013051643A1 (en) | 2011-10-07 | 2012-10-04 | Electromagnetic brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103842684A true CN103842684A (en) | 2014-06-04 |
| CN103842684B CN103842684B (en) | 2016-11-09 |
Family
ID=48043796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280048704.5A Active CN103842684B (en) | 2011-10-07 | 2012-10-04 | Electromagnetic brake |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5979149B2 (en) |
| KR (1) | KR20140082968A (en) |
| CN (1) | CN103842684B (en) |
| TW (1) | TWI557339B (en) |
| WO (1) | WO2013051643A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779746A (en) * | 2015-05-07 | 2015-07-15 | 常州高尔登科技有限公司 | Disc type motor with gap adjusting device |
| CN104912973A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Electromagnetic power-off brake installed through double thread screw guide post and installation lugs |
| CN105299110A (en) * | 2014-06-25 | 2016-02-03 | 湖北省咸宁三合机电制业有限责任公司 | Power-on de-braking load-limiting coupler |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171777B (en) * | 2015-10-23 | 2017-04-12 | 哈尔滨工程大学 | Hydraulic-driven low-speed rotating shaft braking device |
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| DE2854452C2 (en) * | 1978-12-16 | 1983-08-11 | Mannesmann AG, 4000 Düsseldorf | Electromagnetic spring pressure brake with cone brake lining |
| US4445596A (en) * | 1981-09-08 | 1984-05-01 | Facet Enterprises, Inc. | Electromagnetically released spring applied friction brake with torque booster and driving force distributor |
| JP2000220666A (en) * | 1999-02-01 | 2000-08-08 | Tsubakimoto Chain Co | Muffler for deenergization operating type electromagnetic brake |
| CN1985102A (en) * | 2005-07-06 | 2007-06-20 | 三菱电机株式会社 | Assembly/adjustment method and device for braking/transmitting apparatus |
| TWM317513U (en) * | 2007-01-22 | 2007-08-21 | Ming-De Du | Electromagnetic clutch |
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2012
- 2012-10-04 WO PCT/JP2012/075767 patent/WO2013051643A1/en active Application Filing
- 2012-10-04 CN CN201280048704.5A patent/CN103842684B/en active Active
- 2012-10-04 JP JP2013537545A patent/JP5979149B2/en active Active
- 2012-10-04 KR KR1020147009155A patent/KR20140082968A/en not_active Application Discontinuation
- 2012-10-05 TW TW101136844A patent/TWI557339B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838043U (en) * | 1981-09-07 | 1983-03-12 | 株式会社甲府明電舎 | electromagnetic brake |
| CN1058192A (en) * | 1990-07-12 | 1992-01-29 | 英万蒂奥股份公司 | The safety disc brake that is used for elevator |
| JPH0735175A (en) * | 1993-07-23 | 1995-02-03 | Fuji Electric Co Ltd | Nonexciting electromagnetic braking device |
| CN1225427A (en) * | 1998-02-05 | 1999-08-11 | 三阳工业株式会社 | Electromagnetic brake |
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| JP2009214954A (en) * | 2008-03-07 | 2009-09-24 | Mitsubishi Electric Corp | Hoisting machine disk brake device |
| JP2010106981A (en) * | 2008-10-30 | 2010-05-13 | Tsubaki Emerson Co | Motor with magnetic excitation-free brake having hand brake releasing mechnism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299110A (en) * | 2014-06-25 | 2016-02-03 | 湖北省咸宁三合机电制业有限责任公司 | Power-on de-braking load-limiting coupler |
| CN104779746A (en) * | 2015-05-07 | 2015-07-15 | 常州高尔登科技有限公司 | Disc type motor with gap adjusting device |
| CN104779746B (en) * | 2015-05-07 | 2017-08-04 | 常州高尔登科技有限公司 | The disc type electric machine of band gap adjusting means |
| CN104912973A (en) * | 2015-05-25 | 2015-09-16 | 安徽立信电磁离合器有限公司 | Electromagnetic power-off brake installed through double thread screw guide post and installation lugs |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140082968A (en) | 2014-07-03 |
| WO2013051643A1 (en) | 2013-04-11 |
| TWI557339B (en) | 2016-11-11 |
| JP5979149B2 (en) | 2016-08-24 |
| JPWO2013051643A1 (en) | 2015-03-30 |
| CN103842684B (en) | 2016-11-09 |
| TW201329362A (en) | 2013-07-16 |
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