CN110131338A - Electromagnetic brake and friction plate assembly thereof - Google Patents
Electromagnetic brake and friction plate assembly thereof Download PDFInfo
- Publication number
- CN110131338A CN110131338A CN201910363269.9A CN201910363269A CN110131338A CN 110131338 A CN110131338 A CN 110131338A CN 201910363269 A CN201910363269 A CN 201910363269A CN 110131338 A CN110131338 A CN 110131338A
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- China
- Prior art keywords
- friction plate
- armature
- baffle
- magnetic part
- stator
- 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.)
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- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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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
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides an electromagnetic brake and a friction plate assembly thereof, and relates to the technical field of power equipment. Wherein the friction plate assembly includes: the armature, the friction plate and the baffle are coaxially arranged in a stacked manner; one side of the baffle is connected with a connecting column, the armature is sleeved on the connecting column and can slide along the connecting column, and the friction plate is limited between the baffle and the armature; the armature, the friction plate and the baffle plate are magnetic, mutual repulsive force exists between the armature and the friction plate, and mutual repulsive force exists between the friction plate and the baffle plate. In the power-on engineering, a gap is formed between the stator and the friction plate, the friction plate rotates between the armature and the baffle under the action of magnetic repulsion, the end faces of two ends of the friction plate in the rotating process are guaranteed not to generate contact friction, dust, noise and abrasion caused by friction are reduced to the maximum extent, and the reliability of the electromagnetic brake is guaranteed.
Description
Technical field
The present invention relates to electrical equipment technical fields, in particular to a kind of electromagnetic brake and its friction plate assembly.
Background technique
Electromagnetic brake is the automated execution element in power equipment, and transmitting power is mainly played in machine driven system
The effects of with control movement；Electromagnetic brake is an important basic part, integrates mechanical, electrical, electronic technology, mainly
Accurate control and braking for rotating mechanism (such as electric machine).
When electromagnetic brake is mounted in servo motor, the friction plate of electromagnetic brake is rotated with the shaft of motor, braking
In device energization engineering, friction plate meeting beat generates bad noise, and beat leads to friction plate one side or rubs with armature or with baffle
It wipes, generates dust, generate unnecessary abrasion.
Summary of the invention
Noise or abrasion are generated to solve friction plate beat in the prior art, generate the technical issues of dust, it is of the invention
Main purpose is, provides electromagnetic brake and its friction for improving friction plate and armature or baffle friction in a kind of energization engineering
Piece component.
In a first aspect, the embodiment of the invention provides a kind of friction plate assemblies, comprising: the armature that is coaxially stacked rubs
Pad and baffle；
The side of the baffle is connected with connecting column, and the armature is sheathed on the connecting column, and the armature can edge
The connecting column sliding, the friction plate are limited between the baffle and the armature；
The armature, the friction plate and the baffle have magnetism, have phase between the armature and the friction plate
Mutual repulsive force has mutually exclusive power between the friction plate and the baffle.
Further, in a preferred embodiment of the invention,
The armature is provided with the first magnetic part close to the side of the friction plate；
The second magnetic part is provided on the friction plate；
The baffle is provided with third magnetic part close to the side of the friction plate.
Further, in a preferred embodiment of the invention, the end face of first magnetic part and the third magnetic
The end face of property part is coated with wearing layer.
Further, in a preferred embodiment of the invention, second magnetic part and friction plate one at
Type.
Further, in a preferred embodiment of the invention, the first groove of annular, institute are provided on the armature
It states the first magnetic part and first groove assembles；
The second groove of annular is provided on the baffle, the third magnetic part and second groove assemble.
Further, in a preferred embodiment of the invention, the friction plate is permanent magnet.
Further, in a preferred embodiment of the invention,
The armature is provided with magnetisable coating close to the end face of the friction plate；
The baffle is provided with magnetisable coating close to the end face of the friction plate；
Magnetisable coating is provided on two end faces of the friction plate.
Further, in a preferred embodiment of the invention, the connecting column is provided with multiple, multiple connections
Column is located in the circumferential direction of the baffle.
Second aspect, the embodiment of the invention provides include stator, spring and described in any item friction plate assemblies；
One end of the spring is connect with the armature, and the other end of the spring is connect with the stator, and the bullet
Gap is formed between the stator and the armature under spring extended state；
One end of the connecting column is connect with the baffle, and the connecting column other end is connect with the stator.
Further, in a preferred embodiment of the invention, the width in the gap is 0.05cm-0.15cm.
Further, in a preferred embodiment of the invention, several mounting holes are provided in the circumferential direction of the stator,
The spring is installed in the mounting hole；
One end of the spring connects the armature, and the other end of the spring connects the bottom wall of the mounting hole.
A kind of electromagnetic brake and its friction plate assembly provided in an embodiment of the present invention, are not powered in engineering, in spring force
Under the action of, gap is formed between the stator and the armature.In energization engineering, the stator generates magnetic force, described in attraction
Armature makes the spring-compressed, while making between the stator and the armature gap be zero, the stator and the friction
Gap is formed between piece, due to having mutually exclusive power, the friction plate and the gear between the armature and the friction plate
Between plate there is mutually exclusive power to guarantee the friction so that the friction plate rotates between the armature and the baffle
The end face at both ends of the piece in rotary course will not generate contact friction, maximum journey reduce because friction generate dust, noise and
Abrasion, guarantees the reliability of electromagnetic brake.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram for the electromagnetic brake that one embodiment of the invention provides；
Fig. 2 is the cross-sectional view for the electromagnetic brake that one embodiment of the invention provides；
Fig. 3 is the schematic diagram for the electromagnetic brake that one embodiment of the invention provides.
Appended drawing reference:
1 stator, 2 coil, 35 square wheel of friction plate 31 second magnetic part, 4 baffle, 41 third magnetic part, 6 armature 61
One magnetic part, 7 spring, 8 connecting column
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the application embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
As shown in Figure 1-3, a kind of electromagnetic brake that one embodiment of the invention kind provides, including stator 1, spring 7 and rub
Pad component.Wherein, friction plate assembly includes: armature 6, friction plate 3 and the baffle 4 for being coaxially laminated and being set on motor shaft.Institute
The side for stating baffle 4 is connected with connecting column 8, and the armature 6 is sheathed on the connecting column 8, and the armature 6 can be along the company
The sliding of column 8 is connect, the friction plate 3 is limited between the baffle 4 and the armature 6；The armature 6, the friction plate 3 and institute
Stating baffle 4 has magnetism, has mutually exclusive power, the friction plate 3 and the gear between the armature 6 and the friction plate 3
There is mutually exclusive power between plate 4.Wherein, the connection relationship of friction plate assembly and stator 1 are as follows: one end of the spring 7 and institute
State the connection of armature 6, the other end of the spring 7 connect with the stator 1, and under the spring extended state stator 1 and
Gap is formed between the armature 6；One end of the connecting column 8 is connect with the baffle 4,8 other end of connecting column and institute
State the connection of stator 1.It is not powered in engineering, under spring force, forms gap between the stator 1 and the armature 6.It is logical
In electrical engineering, the stator 1 generates magnetic force, attracts the armature 6, compresses the spring 7, at the same make the stator 1 with
Gap is zero, forms gap between the stator 1 and the friction plate 3 between the armature 6, due to the armature 6 with it is described
With having mutually exclusive power between mutually exclusive power, the friction plate 3 and the baffle 4 between friction plate 3, so that described rub
Pad 3 rotates between the armature 6 and the baffle 4, guarantees that the end face at both ends of the friction plate 3 in rotary course is equal
Contact friction will not be generated, maximum journey is reduced because friction generates dust, noise and abrasion, guarantees the reliability of electromagnetic brake.
Wherein, stator 1 is magnetic conductive metal material, such as the mild steel etc. that magnetic property is high, and the stator 1 includes coil 2,
It is installed in stator 1 after the completion of 2 coiling of coil, coil 2 and the fixed form of stator 1 can take interference fit/injection molding to fix.
1 axial location of stator is additionally provided with square wheel 5, and square wheel 5 can be with motor axis connection, and friction plate 3 is set on square wheel 5, and is rubbed
Piece 3 limits between armature 6, baffle 4 and connecting column 8.In assembling process, after coil 2 is fitted into stator 1, primary assembly rank
Iron 6, friction plate 3, connecting column 8 and baffle 4, completion to be assembled, all parts are integral that there is no dispersed components thereofs.The present embodiment
Middle connecting column 8 is the cylindrical structure or through-hole screw of inner hollow, and connecting column 8 is provided with multiple, and multiple connecting columns 8 are located at
In the circumferential direction of the baffle 4, armature 6 is set on multiple connecting columns 8 simultaneously, can slide along connecting column 8.
Three connecting columns 8 are set in the present embodiment, the position setting through-hole of the connecting column 8 are corresponded on armature 6, for even
It connects column 8 to pass through, armature can slide under spring force along connecting column 8.
As Figure 2-3, in the present embodiment, the armature 6 is provided with the first magnetic part close to the side of the friction plate 3
61；Be provided with the second magnetic part 31 on the friction plate 3, the second magnetic part of the present embodiment 31 apart from 3 two end faces of friction plate away from
From equal；The baffle 4 is provided with third magnetic part 41 close to the side of the friction plate 3.After brake guaranties, stator 1
Generate magnetic force, it close to one end of stator 1 is the pole S that stator 1, which is the pole N, the first magnetic part 61 close to one end of armature 6, i.e., stator 1 with
The magnetism at the end close to each other of the first magnetic part 61 is opposite, can attract each other；First magnetic part 61 close to the second magnetic part 31 one
It close to one end of the first magnetic part 61 is the pole N that end, which is the pole N, the second magnetic part 31, i.e. the second magnetic part 31 and the first magnetic part 61
End close to each other magnetism it is identical, can be mutually exclusive；Second magnetic part 31 is the pole S, third close to one end of third magnetic part 41
Magnetic part 41 is the pole S close to one end of the second magnetic part 31, i.e. the second magnetic part 31 and the end close to each other of third magnetic part 41
It is magnetic it is identical, can be mutually exclusive.And power off in engineering, magnetic repulsive force can then be offset and generate braking by the elastic force of spring 7
Power.
In the present embodiment, the end face of the end face of first magnetic part 61 and the third magnetic part 41 is coated with wear-resisting
Layer, the high ni cr coating such as wearability, so that the rubbing surface obtained in this way, compared with prior art armature 6 or the plating of 4 surface of baffle
The form of zinc is more wear resistant, and coefficient of friction is also higher, improves the braking moment of brake.
Wherein, in the electromagnetic brake that one embodiment of the invention provides, first magnetic part 61, second magnetic part
31 and the third magnetic part 41 be magnet ring type permanent magnet, permanent magnet material is mostly neodymium iron boron.In other embodiments, first is magnetic
Part 61, second magnetic part 31 and the third magnetic part 41 may be alternatively provided as the electromagnet of annular, energizing magnetic.
Wherein, in one embodiment of the invention, the friction plate 3 is made by composite material, and the composite material includes phenolic aldehyde
Resin, metallic fiber or glass fibre, second magnetic part 31 and the composite material moulded integrated molding namely magnet ring type
Permanent magnet becomes one structure by molding at high temperature under high pressure with the material for preparing friction plate 3.With the second magnetic part 31
Before using after magnetizing, permanent magnet band is magnetic friction plate 3.In the present embodiment, structure in addition to stator 1 and friction plate 3,
Ordinary metallic material can be used.
As shown in Fig. 2, in one embodiment of the invention, one end of the armature 6 is provided with the first groove of annular, described the
One magnetic part 61 is assembled with first groove.First magnetic part 61 is magnet ring type permanent magnet, by bonding and the first groove of band
Armature 6 fixation it is integral, magnetize after the completion of bonding to the first magnetic part 61, assemble armature 6.The one of the baffle 4
End is provided with the second groove of annular, and the third magnetic part 41 is assembled with second groove.Third magnetic part 41 is magnet ring
Formula permanent magnet, it is integral with the fixation of the baffle 4 of the second groove of band by being bonded, third magnetic part 41 is carried out after the completion of bonding
It magnetizes, assembles baffle 4.
In addition, another embodiment of the present invention provides volume electromagnetic brake in, the friction plate 3 can also be permanent magnet, with
Realize that friction plate has magnetism.
Alternatively, the armature 6 is provided with magnetisable coating close to the end face of the friction plate 3 in other embodiments；The gear
Plate 4 is provided with magnetisable coating close to the end face of the friction plate 3；Magnetic painting is provided on two end faces of the friction plate 3
Layer.Make armature 6, friction plate 3 and baffle 4 that there is magnetic force in the form of magnetisable coating.
As Figure 2-3, the electromagnetic brake provided in one embodiment of the invention, in setting up in week for the stator 1
There are several mounting holes, spring 7 is installed in the mounting hole；The bottom wall of 7 one end of spring connection mounting hole, other end connection
Armature 6, and make that there is gap under the natural elongation state of spring 7, between armature 7 and stator 1.Spring 7 is disconnected for realizing coil 2
Under electricity condition, armature 6 can be realized under the effect of spring 7 to be resetted, and provides spring force.Wherein, in the present embodiment, the armature
The width in gap is 0.05cm-0.15cm between 6 and the stator 1.
For brake in energization engineering, friction plate 3 may be inclined during operation due to dimensional problem in the prior art
It puts, unavoidable during beat to rub with armature 6, baffle 4, in addition to having noise, can also generate grinds friction plate 3 extremely
Damage, when friction plate 3 abrasion to a certain extent, brake performance failure.To solve this problem, it is based on above-mentioned technical side
Case, the course of work of the electromagnetic brake provided in the embodiment of the present invention are as follows:
When work, coil 2 is powered, and stator 1 generates electromagnetic force, due to stator 1 and the end close to each other of armature 6 magnetism are opposite,
It attracts each other, armature 6 is attracted by stator 1 rapidly, and compared to the armature 6 for being free of magnetic part, the pull up time of stator 1 will be reduced
It is more, reduce brake response time；6 compressed spring 7 of armature, the gap between armature 6 and stator 1 become 0,3 stress of friction plate
Constraint and drive square wheel 5 and motor shaft to be freely rotated；Since the second magnetic part 31 and first being placed in friction plate 3 is magnetic
The end magnetism close to each other of part 61 is identical, mutually exclusive, the second magnetic part 31 is identical as the end magnetism close to each other of third magnetic part 41,
It is mutually exclusive, so that friction plate 3 rotates between armature 6 and baffle 4, hereby it is ensured that the both ends of the surface in rotary course of friction plate 3
Contact friction will not be generated；Maximum journey reduces the technical issues of generating dust, noise, abrasion because of the friction of friction plate 3, thus mentions
Rise the reliability of brake.
Coil 2 powers off, and stator 1 loses electromagnetic force, decontrols armature 6, and spring 7 is unfolded under spring force, pushes rank
Armature 6 is simultaneously pressed to baffle 4 by iron 6.Wherein, friction plate 3 is clipped between armature 6 and baffle 4 and plays braking action, by spring force
Expansion effect, friction plate 3 and armature 6 and the friction of baffle 4 generate frictional force, are also brake force, machine shaft drive square wheel 5 by
Effect to brake force stops operating.
In the description of the present invention, it is to be understood that, term " on ", "lower", "vertical", "horizontal", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside", " clockwise ", " counterclockwise " is that orientation based on the figure or position are closed
Corresponding orientation when system namely air-conditioning normal mounting.Be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified equipment or element must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of friction plate assembly characterized by comprising armature (6), friction plate (3) and the baffle being coaxially stacked
(4)；
The side of the baffle (4) is connected with connecting column (8), and the armature (6) is sheathed on the connecting column (8), and described
Armature (6) can be slided along the connecting column (8), and the friction plate (3) is limited between the baffle (4) and the armature (6)；
The armature (6), the friction plate (3) and the baffle (4) have magnetic, the armature (6) and the friction plate (3)
Between there is mutually exclusive power, with mutually exclusive power between the friction plate (3) and the baffle (4).
2. a kind of friction plate assembly according to claim 1, which is characterized in that
The armature (6) is provided with the first magnetic part (61) close to the side of the friction plate (3)；
The second magnetic part (31) are provided on the friction plate (3)；
The baffle (4) is provided with third magnetic part (41) close to the side of the friction plate (3).
3. a kind of friction plate assembly according to claim 2, which is characterized in that the end face of first magnetic part (61) and
The end face of the third magnetic part (41) is coated with wearing layer.
4. a kind of friction plate assembly according to claim 2, which is characterized in that second magnetic part (31) is rubbed with described
Pad (3) is integrally formed.
5. a kind of friction plate assembly according to claim 2, which is characterized in that be provided with annular on the armature (6)
First groove, first magnetic part (61) and first groove assemble；
The second groove of annular is provided on the baffle (4), the third magnetic part (41) and second groove assemble.
6. a kind of friction plate assembly according to claim 1, which is characterized in that the friction plate (3) is permanent magnet.
7. a kind of friction plate assembly according to claim 1, which is characterized in that
The armature (6) is provided with magnetisable coating close to the end face of the friction plate (3)；
The baffle (4) is provided with magnetisable coating close to the end face of the friction plate (3)；
Magnetisable coating is provided on two end faces of the friction plate (3).
8. a kind of friction plate assembly according to claim 1, which is characterized in that the connecting column (8) be provided with it is multiple, it is more
A connecting column (8) is located in the circumferential direction of the baffle (4).
9. a kind of electromagnetic brake, which is characterized in that described in any item including stator (1), spring (7) and claim 1-8
Friction plate assembly；
One end of the spring (7) is connect with the armature (6), and the other end of the spring (7) is connect with the stator (1),
And gap is formed between the stator (1) and the armature (6) under the spring extended state；
One end of the connecting column (8) is connect with the baffle (4), and connecting column (8) other end and the stator (1) are even
It connects.
10. a kind of electromagnetic brake according to claim 9, which is characterized in that the width in the gap is 0.05cm-
0.15cm。
11. a kind of electromagnetic brake according to claim 9, which is characterized in that be provided in the circumferential direction of the stator (1)
Several mounting holes, the spring (7) are installed in the mounting hole；
One end of the spring (7) connects the armature (6), and the other end of the spring (7) connects the bottom wall of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363269.9A CN110131338B (en) | 2019-04-30 | 2019-04-30 | Electromagnetic brake and friction plate assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363269.9A CN110131338B (en) | 2019-04-30 | 2019-04-30 | Electromagnetic brake and friction plate assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131338A true CN110131338A (en) | 2019-08-16 |
| CN110131338B CN110131338B (en) | 2024-05-03 |
Family
ID=67575983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910363269.9A Active CN110131338B (en) | 2019-04-30 | 2019-04-30 | Electromagnetic brake and friction plate assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131338B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196917A (en) * | 2020-10-19 | 2021-01-08 | 珠海格力电器股份有限公司 | Electromagnetic brake and motor |
| CN114542624A (en) * | 2022-01-26 | 2022-05-27 | 广东大钧机械有限公司 | Clutch assembly |
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| WO2006033149A1 (en) * | 2004-09-24 | 2006-03-30 | I. T. O. Co., Ltd. | Electromagnetic brake device |
| DE102009034123A1 (en) * | 2009-07-20 | 2011-02-03 | Sew-Eurodrive Gmbh & Co. Kg | Electromagnetically braking and/or coupling device, has lining support comprising friction lining that cooperates with braking surface of part during braking or coupling, and permanent magnets producing eddy currents in relative moved part |
| DE102011004814A1 (en) * | 2011-02-28 | 2012-08-30 | Zf Friedrichshafen Ag | Brake unit for industrial truck, has secondary magnetic element that is arranged in magnetic field of primary magnetic element so that magnetic force is produced between magnetic elements to press brake element to rotary disc |
| CN105952819A (en) * | 2016-06-08 | 2016-09-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake |
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| CN210196323U (en) * | 2019-04-30 | 2020-03-27 | 珠海格力电器股份有限公司 | Electromagnetic brake and friction plate assembly thereof |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196917A (en) * | 2020-10-19 | 2021-01-08 | 珠海格力电器股份有限公司 | Electromagnetic brake and motor |
| CN112196917B (en) * | 2020-10-19 | 2021-12-14 | 珠海格力电器股份有限公司 | Electromagnetic brake and motor |
| CN114542624A (en) * | 2022-01-26 | 2022-05-27 | 广东大钧机械有限公司 | Clutch assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131338B (en) | 2024-05-03 |
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