CN205991117U - A kind of electromagnetic brake - Google Patents
A kind of electromagnetic brake Download PDFInfo
- Publication number
- CN205991117U CN205991117U CN201620842111.1U CN201620842111U CN205991117U CN 205991117 U CN205991117 U CN 205991117U CN 201620842111 U CN201620842111 U CN 201620842111U CN 205991117 U CN205991117 U CN 205991117U
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- armature
- friction plate
- electromagnetic brake
- stator core
- spring
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Abstract
This utility model is related to brake technical field, more particularly, to a kind of electromagnetic brake.Electromagnetic brake is split-type structural, and it includes piecemeal and lower piecemeal, and wherein, described lower piecemeal includes armature, coil, spring and stator core, and described armature is arranged on a side of stator core；Described upper piecemeal includes friction plate, and described friction plate is fixedly connected with outside rotary shaft；One side of described friction plate is oppositely arranged with armature, and armature is combined with friction plate in the presence of spring or coil or separates.This utility model is by being arranged to split-type structural by electromagnetic brake, and friction plate is directly fixedly connected with outside rotary shaft, reduce the use of the structural members such as adjustment screw rod, wheel hub, column sleeve, simplify the structure of electromagnetic brake, and due to not adjusting screw rod, wheel hub, column sleeve restriction, effective contact area between friction plate and armature can be increased accordingly, improve stopping power.
Description
Technical field
This utility model is related to brake technical field, more particularly, to a kind of electromagnetic brake.
Background technology
Electromagnetic brake is an important basic part, and it integrates machinery, electric, electronic technology, and it is mainly used in
The precise control of rotating mechanism (as electric machine etc.) and braking.In the technical requirements of electromagnetic brake, armature and friction plate
Between brake force be electromagnetic brake CCP, and spring and armature friction plate be produce brake force main device
Part.
In prior art, the Chinese patent of Publication No. CN205047712U discloses a kind of electromagnetic brake, this braking
Device includes yoke, armature, friction plate, wheel hub, compression spring, coil and limiting plate；Described coil and compression spring are arranged on institute
State in yoke；The setting relative with described coil of described armature side simultaneously can move back and forth along the axis direction of yoke；Described
Limiting plate is arranged on the opposite side of described armature and is connected with described yoke by gap adjustment screw rod, described friction plate setting
It is connected between described armature and described limiting plate and with wheel hub；Described compression spring is used for will be described to the applying of described armature
Friction plate presses to the pressure of described limiting plate；Described gap adjustment screw rod is provided with apparatus for adjusting position, for adjusting described limit
Position position on described gap adjustment screw rod for the plate.
The electromagnetic brake of said structure, friction plate needs armature and limiting plate carries out spacing, and limiting plate is to pass through
Adjustment screw rod be connected with yoke, friction plate is to be connected with outside rotary shaft by wheel hub, adjust screw rod on be additionally provided with for for
The column sleeve of armature motion guiding, due to the presence of adjustment screw rod, wheel hub and column sleeve, can have restriction and make to the size of friction plate
With there is less effective contact area between corresponding armature and friction plate, and then can reducing between armature and friction plate
Brake force, and existing brake also has that complex structure, production cost are high.
It is therefore proposed that a kind of brake force that can solve the problem that existing electromagnetic brake exists is little, complex structure, production cost are high
The electromagnetic brake of problem.
Utility model content
The purpose of this utility model is to propose a kind of electromagnetic brake, can solve the problem that the system that existing electromagnetic brake exists
The problem that power is little, complex structure, production cost are high.
For reaching this purpose, this utility model employs the following technical solutions：
A kind of electromagnetic brake, wherein, described electromagnetic brake is split-type structural, and it includes piecemeal and lower piecemeal,
Wherein, described lower piecemeal includes armature, coil, spring and stator core, and described armature is arranged on a side of stator core
On；
Described upper piecemeal includes friction plate, and described friction plate is fixedly connected with outside rotary shaft；
One side of described friction plate is oppositely arranged with armature, and armature in the presence of spring or coil with friction plate
In conjunction with or separate.
As a kind of preferred version of above-mentioned electromagnetic brake, the another side of described friction plate is provided with baffle plate, described
Baffle plate and friction plate are connected by way of pasting.
As a kind of preferred version of above-mentioned electromagnetic brake, described baffle plate and friction plate are provided with axis hole, and axis hole
On be provided with keyway mouth, described baffle plate and friction plate are bonded with outside rotary shaft.
As a kind of preferred version of above-mentioned electromagnetic brake, described baffle plate and friction plate are provided with axis hole, described gear
Plate and friction plate and the outside rotary shaft interference fit being located in axis hole.
As a kind of preferred version of above-mentioned electromagnetic brake, described friction plate, baffle plate, armature and stator core have phase
Same external diameter.
As a kind of preferred version of above-mentioned electromagnetic brake, described stator core is provided with multiple equally distributed bullets
Spring mounting groove, is provided with a spring in each spring mounting groove；
Described armature is fixed in stator core by adjusting screw, and described armature is slidably connected with adjusting screw；
Described adjusting screw sequentially passes through armature and spring, and its first end is limited on armature, the second end and stator core
Threaded, spring is compressed between stator core and armature, and adjusts spring by the axial movement of adjusting screw
Decrement.
As a kind of preferred version of above-mentioned electromagnetic brake, under coil power failure state, described armature and stator core
Between spacing be 0.15mm～0.2mm.
As a kind of preferred version of above-mentioned electromagnetic brake, described armature is provided with deep gouge, in coil power failure state
Under, the first end of adjusting screw is abutted with the bottom of deep gouge, under coil obtains electricity condition, the first end of adjusting screw and deep gouge
Bottom separates, but the end face of the first end of adjusting screw is not higher than the end face of armature.
As a kind of preferred version of above-mentioned electromagnetic brake, described spring is compression spring, and described lower piecemeal includes 6
Equally distributed spring.
As a kind of preferred version of above-mentioned electromagnetic brake, described stator core is provided with coil placing trough, described
Coil is arranged in coil placing trough, and is provided with insulation system between coil and stator core.
The beneficial effects of the utility model are：This utility model by electromagnetic brake is arranged to split-type structural, with
And friction plate is directly fixedly connected with outside rotary shaft, reduces the use of the structural members such as adjustment screw rod, wheel hub and column sleeve, simplify
The structure of electromagnetic brake, and due to not adjusting the restriction of screw rod, wheel hub and column sleeve, friction plate and rank can be increased accordingly
Between ferrum, effective contact area, improves stopping power.
Brief description
Fig. 1 is the structural representation of piecemeal on the electromagnetic brake that this utility model specific embodiment provides；
Fig. 2 is the structural representation of piecemeal under the electromagnetic brake that this utility model specific embodiment provides；
Fig. 3 is the internal structure schematic diagram of the electromagnetic brake that this utility model specific embodiment provides.
Wherein：
1：Upper piecemeal；2：Lower piecemeal；
11：Friction plate；12：Baffle plate；
21：Armature；22：Coil；23：Spring；24：Stator core；25：Adjusting screw.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
As shown in Figure 1 to Figure 3, present embodiments provide for a kind of electromagnetic brake, this electromagnetic brake is split type knot
Structure, it includes piecemeal 1 and lower piecemeal 2, and wherein, lower piecemeal 2 includes armature 21, coil 22, spring 23 and stator core 24, rank
Ferrum 21 is arranged on a side of stator core 24, and upper piecemeal 1 includes friction plate 11, and friction plate 11 is solid with outside rotary shaft
Fixed connect, a side and the armature 21 of friction plate 11 are oppositely arranged, and armature 21 in the presence of spring 23 or coil 22 and
Friction plate 11 combines or separates.
In the present embodiment, by electromagnetic brake is arranged to split-type structural, and friction plate 11 directly with outer
Portion's rotary shaft is fixedly connected, and reduces the use of the structural members such as adjustment screw rod, wheel hub and column sleeve, simplifies the knot of electromagnetic brake
Structure, and limit due to not adjusting screw rod, wheel hub and column sleeve, can increase accordingly between friction plate 11 and armature 21 effectively
Contact area, improves stopping power.Secondly, while simplifying electromagnetic brake structure, corresponding electromagnetic brake
Integral thickness Manufacturing cost also can diminish.
The another side of friction plate 11 is provided with baffle plate 12, and baffle plate 12 and friction plate 11 are connected by way of pasting.Logical
Cross the setting of baffle plate 12, protection friction plate 11 can be played, and the effect improving friction plate 11 structural strength.
In the present embodiment, there is provided the connected mode of two kinds of friction plates 11, baffle plate 12 and outside rotary shaft：
The first is：It is provided with axis hole on baffle plate 12 and friction plate 11, and keyway mouth is provided with axis hole, baffle plate 12 and rubbing
Pad 11 is bonded with outside rotary shaft.
Second is：Axis hole is provided with baffle plate 12 and friction plate 11, baffle plate 12 and friction plate 11 be located in axis hole
Outside rotary shaft interference fit.
Due to electromagnetic brake is arranged to split-type structural, the mounting means of above two friction plate 11, with respect to existing
Have will have higher convenience in rotary shaft mounted externally for friction plate 11 by wheel hub.
Friction plate 11, baffle plate 12, armature 21 and stator core 24 have identical external diameter.Said structure has outside identical
Footpath, can improve the effective contact area between friction plate 11 and armature 21, so that electromagnetic brake is had good whole simultaneously
Body, and advantage easy to assembly.
Multiple equally distributed spring mounting grooves are provided with stator core 24, in each spring mounting groove, are provided with one
Individual spring 23, armature 21 is fixed in stator core 24 by adjusting screw 25, and armature 21 is slidably connected with adjusting screw 25,
Adjusting screw 25 sequentially passes through armature 21 and spring 23, and its first end is limited on armature 21, the second end and stator core 24 spiral shell
Stricture of vagina connects, and spring 23 is compressed between stator core 24 and armature 21, and by the axial movement adjustment of adjusting screw 25
The decrement of spring 23.
By the cooperation of adjusting screw 25 and spring 23 it can be ensured that armature 21 smoothly moves, and according to brake force
The difference of square is adjusted to the position of armature 21.Specifically, under coil 22 power failure state, armature 21 and stator core 24 it
Between spacing be 0.15mm～0.2mm.Specifically, spacing between the two is 0.16mm, 0.17mm, 0.18mm or 0.19mm.
Specific matching relationship is adjusting screw 25 with armature 21：It is provided with deep gouge, in coil 22 dead electricity shape on armature 21
Under state, the first end of adjusting screw 25 is abutted with the bottom of deep gouge, obtains under electricity condition in coil 22, the first end of adjusting screw 25
Separate with the bottom of deep gouge, but the end face of adjusting screw 25 first end be not higher than armature 21 end face (i.e. adjusting screw 25 will not
Protrude from armature 21).
By the setting form of above-mentioned adjusting screw 25, while realizing adjusting screw 25 spacing carried out to armature 21,
Can also ensure that adjusting screw 25, under coil obtains electricity condition, will not impact to the proper motion of friction plate 11.
Specific matching relationship is adjusting screw 25 with stator core 24：The bottom of spring 23 mounting groove is provided with screw thread
Hole, adjusting screw 25 is threadeded with screwed hole, by the axial movement of adjusting screw 25, adjusts the decrement of spring 23, enters
And realize changing braking moment value so as to meet use requirement.
Spring 23 is compression spring, and lower piecemeal 2 includes 6 equally distributed springs 23.It should be noted that：This embodiment party
Baffle plate 12 in formula does not need to be fixed in stator core 24 by adjustment bolt, reduces the space of adjustment bolt occupancy, because
This, for brake force when increasing braking, when meeting the requirement of electromagnetic attraction processed, can increase spring eye number, that is, increase spring
23 numbers, and because brake is split-type structural, increase the effective contact area of friction plate 11 and armature, and then increased
Frictional force during braking.Used cooperatively by the two, be that save energy improves braking ability in brake unit long-play again.
In the present embodiment, additionally provide the matching relationship of coil 22 and stator core 24, stator core 24 is arranged
There is coil placing trough, coil 22 is arranged in coil placing trough, and is provided with insulation system between coil 22 and stator core 24.
In order to be further detailed to above-mentioned electromagnetic brake, present embodiment, additionally provide above-mentioned electromagnetic braking
The work process of implement body：
First, the requirement according to braking moment in assembling and longtime running, by the axial movement of adjusting screw 25, adjusts
Spacing between whole armature 21 and stator core 24.
Under coil 22 power failure state (do not give coil 22 supply electric current), armature 22 in the presence of spring 23 pressure, quilt
Press to the side of friction plate 11, armature 21 combines (contact) with friction plate 11, produce at both contact surfaces under frictional force effect
Raw brake force, and brake force is passed to by outside rotary shaft by friction plate 11, so that outside rotary shaft is stopped operating；
Obtain in coil 22 and (supply electric current to coil 22) under electricity condition, armature 21 is acted on by electromagnetic attraction, overcomes bullet
The elastic force of spring 23, armature 21 is under the guide effect of adjusting screw 25 to a lateral movement of stator core 24, armature 21 and friction
Piece 11 departs from, that is, relieves the braking action to outside rotary shaft.
Describe know-why of the present utility model above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the restriction to this utility model protection domain can not be construed to by any way.Based on explanation herein,
Those skilled in the art does not need to pay performing creative labour and can associate other specific embodiment of the present utility model,
These modes fall within protection domain of the present utility model.
Claims (10)
1. a kind of electromagnetic brake it is characterised in that described electromagnetic brake be split-type structural, it include piecemeal (1) and
Lower piecemeal (2), wherein, described lower piecemeal (2) includes armature (21), coil (22), spring (23) and stator core (24), described
Armature (21) is arranged on a side of stator core (24)；
Described upper piecemeal (1) includes friction plate (11), and described friction plate (11) is fixedly connected with outside rotary shaft；
One side of described friction plate (11) and armature (21) are oppositely arranged, and armature (21) is in spring (23) or coil (22)
In the presence of with friction plate (11) combine or separate.
2. electromagnetic brake according to claim 1 is it is characterised in that the another side of described friction plate (11) is provided with
Baffle plate (12), described baffle plate (12) and friction plate (11) are connected by way of pasting.
3. electromagnetic brake according to claim 2 is it is characterised in that described baffle plate (12) and friction plate (11) are above arranged
There is axis hole, and keyway mouth is provided with axis hole, described baffle plate (12) and friction plate (11) are bonded with outside rotary shaft.
4. electromagnetic brake according to claim 2 is it is characterised in that described baffle plate (12) and friction plate (11) are above arranged
There are axis hole, described baffle plate (12) and friction plate (11) and the outside rotary shaft interference fit being located in axis hole.
5. the electromagnetic brake according to claim 2 to 4 any one is it is characterised in that described friction plate (11), baffle plate
(12), armature (21) and stator core (24) have identical external diameter.
6. electromagnetic brake according to claim 1 is it is characterised in that be provided with multiple equal in described stator core (24)
The spring mounting groove of even distribution, is provided with a spring (23) in each spring mounting groove；
Described armature (21) is fixed in stator core (24) by adjusting screw (25), and described armature (21) and adjustment spiral shell
Nail (25) is slidably connected；
Described adjusting screw (25) sequentially passes through armature (21) and spring (23), and its first end is limited on armature (21), and second
Threadeded with stator core (24) in end, spring (23) is compressed between stator core (24) and armature (21), and passes through
The axial movement of adjusting screw (25) adjusts the decrement of spring (23).
7. electromagnetic brake according to claim 6 is it is characterised in that under coil power failure state, described armature (21)
Spacing and stator core (24) between is 0.15mm～0.2mm.
8. electromagnetic brake according to claim 6 is it is characterised in that be provided with deep gouge, online on described armature (21)
Under circle (22) power failure state, the first end of adjusting screw (25) is abutted with the bottom of deep gouge, under coil obtains electricity condition, adjusts spiral shell
The first end of nail (25) is separated with the bottom of deep gouge, but the end face of the first end of adjusting screw (25) is not higher than the end of armature (21)
Face.
9. the electromagnetic brake according to claim 1 or 6 is it is characterised in that described spring (23) is compression spring, described
Lower piecemeal includes 6 equally distributed springs (23).
10. electromagnetic brake according to claim 1 is it is characterised in that be provided with coil in described stator core (24)
Placing trough, described coil (22) is arranged in coil placing trough, and is provided with insulation between coil (22) and stator core (24)
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842111.1U CN205991117U (en) | 2016-08-04 | 2016-08-04 | A kind of electromagnetic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842111.1U CN205991117U (en) | 2016-08-04 | 2016-08-04 | A kind of electromagnetic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991117U true CN205991117U (en) | 2017-03-01 |
Family
ID=58106123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842111.1U Active CN205991117U (en) | 2016-08-04 | 2016-08-04 | A kind of electromagnetic brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991117U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013615A (en) * | 2017-04-24 | 2017-08-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake and the motor with it |
| CN107420459A (en) * | 2017-05-19 | 2017-12-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and apply its electric machine |
| CN107687488A (en) * | 2016-08-04 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of electromagnetic brake |
-
2016
- 2016-08-04 CN CN201620842111.1U patent/CN205991117U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687488A (en) * | 2016-08-04 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of electromagnetic brake |
| CN107687488B (en) * | 2016-08-04 | 2023-10-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake |
| CN107013615A (en) * | 2017-04-24 | 2017-08-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake and the motor with it |
| CN107420459A (en) * | 2017-05-19 | 2017-12-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and apply its electric machine |
| WO2018209953A1 (en) * | 2017-05-19 | 2018-11-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Brake and motor device using same |
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| GR01 | Patent grant |