CN208041019U - High magnetic horizontal permanent magnet brake - Google Patents
High magnetic horizontal permanent magnet brake Download PDFInfo
- Publication number
- CN208041019U CN208041019U CN201820398272.5U CN201820398272U CN208041019U CN 208041019 U CN208041019 U CN 208041019U CN 201820398272 U CN201820398272 U CN 201820398272U CN 208041019 U CN208041019 U CN 208041019U
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- China
- Prior art keywords
- permanent magnet
- magnetic
- friction plate
- brake
- armature
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Abstract
The utility model discloses a kind of horizontal permanent magnet brake of high magnetism, including magnetic shell and the friction plate adjacent with the magnetic shell, the magnetic shell is equipped with the annular groove of an accommodating coil, the coil is locked in the annular groove by the friction plate with magnetic shell mutual cooperation, and a channel to engage permanent magnet is additionally provided between the friction plate and the magnetic shell；The other side of the friction plate is equipped with armature, and the armature is connect by leaf spring with axle sleeve, and the axle sleeve is installed on brake axle, and the axis of the permanent magnet is perpendicularly oriented to the end face of the armature and is parallel to the axis of the brake axle.The technique effect of the utility model is embodied in：It uses permanent magnet for brake power source, is independent matching mechanism, it is no residual torque, noiseless, its magnetism can be remained, without being replaced to it, to reduce entreprise cost.
Description
Technical field
The utility model is related to electromagnet technical fields, specifically, more particularly to a kind of high horizontal permanent magnetism of magnetism it is iron
Dynamic device.
Background technology
With the continuous improvement that engineering machinery requires braking ability, brake device selection is also increasingly stringenter.Braking
Device is widely used in recent years in engineering machinery, vehicle and robot, is at present using a kind of relatively wide brake apparatus, tool
Have that brake force is huge, high temperature resistant, no-spark adapts to complex working condition, ensures the operational safety of system.
Currently, common brake is electromagnetic spring brake, cover board, shell, axle sleeve, armature, electromagnetic wire are generally comprised
Circle and spring.It is equipped with cover board in shell at least side, axle sleeve side is adjacent with cover board, and the other side is adjacent with armature.It is set in shell
There are electromagnetic coil, spring to be located in shell, and spring is adjacent with an armature.Armature will receive the thrust and electromagnet of spring
Suction makes it generate the frictional force between the axle sleeve and cover board.
Such electromagnetic spring brake be by spring be brake power source, spring in use for some time, due to
Metal fatigue, coefficient of elasticity K and elastic limit can all decline, and the precision of brake will decline, may result in braking less than
The accident of position generates.And be attached using flat key or spline, there are certain back clearances.Therefore, under certain conditions, will produce residual
Remaining torque generates noise.
Currently in order to solving the above problems, there are some technologies to use the form of permanent magnet.Such as Chinese patent
CN204164231 is revealed, including axle sleeve and stator, and the permanent magnet being arranged on stator, and permanent magnet setting first exists
It is complicated in stator, need a mating permanent magnet skeleton farther out secondly with distance between axle sleeve to have the risk of failure.In
State patent CN103453053 discloses another brake for using permanent magnet, and permanent magnet is arranged on the axis of brake axle,
Setting can increase the entire length and volume of brake in this way, be unfavorable for refining the processing of structure.
Utility model content
The purpose of the utility model is to overcome the shortcomings of the prior art, provide a kind of horizontal permanent magnet braking of high magnetism
Device.
The purpose of this utility model is achieved through the following technical solutions：
A kind of horizontal permanent magnet brake of high magnetism by the affixed magnetic shell of bolt and is set to including at least with flange
Friction plate in the magnetic shell, the magnetic shell are equipped with the annular groove of an accommodating coil, outside the friction plate and the magnetic
Shell mutual cooperation the coil is locked in the annular groove, be additionally provided between the friction plate and the magnetic shell one to
The channel that permanent magnet is engaged；It is opposite on another side end face of the friction plate to be equipped with an armature, the armature by leaf spring with
Axle sleeve connects, and a coaxial through-hole for housing brake axle and passing through also is equipped on the axle sleeve, friction plate and magnetic shell, described
Axle sleeve is installed on the brake axle, and the axis of the permanent magnet is perpendicularly oriented to the end face of the armature and is parallel to the braking
The axis of axis.
Preferably, on spool, the spool is locked in the annular groove for the coil winding.
Preferably, one end of the permanent magnet is close to the spool, the outer profile step card that the other end passes through friction plate
Only in the channel, and the thickness of the permanent magnet is equal to the width in the channel.
Preferably, a signal terminal is fixedly provided on the coil, the signal terminal is electrically connected with the coil.
Preferably, sealing element and bearing are additionally provided between the brake axle and flange.
Preferably, it is connected for no back clearance between the brake axle and axle sleeve.
The utility model further discloses a kind of horizontal permanent magnet brake of high magnetism, including magnetic shell, the magnetic shell packet
The annular groove that magnetic core is equipped in one is included, the inside of the magnetic shell is additionally provided with friction plate, the end face outside of the friction plate and institute
The end face outside for stating magnetic shell is concordant and forms rubbing surface, and the magnetic shell, friction plate and magnetic core collectively constitute stator, and described
What rubbing surface was oppositely arranged is rotor, and the rotor includes the axle sleeve being fixed on brake axle and is coupled with the axle sleeve
The armature being axially movable, connected for leaf spring between the armature and the axle sleeve, the movement of the armature makes one end
It is close to generate gap between the rubbing surface or the end face and the rubbing surface, in the side of the friction plate and the magnetic shell
Be additionally provided with a channel to engage permanent magnet between surface, the permanent magnet axis be perpendicularly oriented to the end face of the armature and
It is parallel to the axis of the brake axle.
Preferably, in the form of sheets, one circle of arrangement is arranged in the channel permanent magnet, and the magnetic pole of all permanent magnets all refers to
To the armature.
Preferably, the permanent magnet is arranged between the magnetic core and the armature.
Preferably, the magnetic core includes spool and around the coil being located on the spool.
The beneficial effects of the utility model are mainly reflected in：Simple in structure, deft design uses permanent magnet for brake power
Source, is independent matching mechanism, no residual torque, noiseless, can remain its magnetism, reliability is stronger, prevents to brake
Accident not in place generates, and without being replaced to it, to reduce entreprise cost；The installation position of permanent magnet, it is ensured that it is magnetic high, no
Failure, and install simple and convenient.
Description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Fig. 1：The explosive view of the utility model；
Fig. 2：Sectional view of the utility model under power blackout situation；
Fig. 3：Sectional view of the utility model in energization.
Specific implementation mode
The utility model is described in detail below with reference to specific implementation mode shown in the drawings.But these embodiment party
Formula is not limited to the utility model, structure that those skilled in the art are made according to these embodiments, method or
Transformation functionally is all contained in the scope of protection of the utility model.
As shown in Figure 1 to Figure 3, the utility model discloses a kind of horizontal permanent magnet brake of high magnetism, including brake axle
8, the flange 1 being set on the brake axle.The high magnetic horizontal permanent magnet brake further includes passing through bolt 11 with flange 1
Affixed magnetic shell 2, and the friction plate 3 in the magnetic shell 2.
The magnetic shell 2 is equipped with the annular groove 21 of an accommodating coil 4, and 4 winding of the coil is on spool 41.The line
Circle 4 and spool 41 form magnetic core.The friction plate 3 cooperates with the magnetic shell 2 magnetic core being locked on the annular
In slot 21.The end face outside of the friction plate 3 is concordant with the end face outside of the magnetic shell 2 and forms rubbing surface.The coil 4
On be fixedly provided with a signal terminal 42, the signal terminal 42 is electrically connected with the coil 4.Pass through signal terminal 42 and the external world
The connection of signal harness, be powered to the coil 4, the magnetic shell 2 made to generate magnetic force.
A channel 31 is additionally provided between the friction plate 3 and the magnetic shell 2.At least one permanent magnet 10 is arranged in institute
It states in channel 31.Certainly, the quantity of the permanent magnet 10 can also be multiple, specific as shown in Figure 1, the permanent magnet 10 is in piece
Shape, one circle of arrangement are arranged in the channel 31, are distributed on the periphery of the friction plate 3.One end of the permanent magnet 10 and institute
It states spool 41 to be close to, the other end is locked on by the outer profile step 32 of friction plate 3 in the channel 31, and the permanent magnet 10
Thickness be equal to the channel 31 width.It is cooperated by described in forever by the outer profile step 32 and spool 41 of friction plate 3
Magnet 10 engages, and to avoid being shaken in its course of work, occurs knocking the generation of the fortuitous events such as damage, extends its service life.
The magnetic shell 2, friction plate 3 and magnetic core collectively constitute stator, and the permanent magnet 10 is arranged on stator, and closes on
In rotor, and its magnetic pole is directed toward rotor.The concrete structure of rotor is as described below.
Opposite on another side end face of the friction plate 3 to be equipped with armature 5, the armature 5 is connect by leaf spring 6 with axle sleeve 7.
The axle sleeve 7 is set on the brake axle 8.In the utility model embodiment, the axis of the permanent magnet 10 is perpendicularly oriented to institute
It states the end face of armature 5 and is parallel to the axis of the brake axle 8, the permanent magnet 10 is arranged in the magnetic core and the armature 5
Between.In this way, the permanent magnet 10 can generate the larger magnetic force to the armature 5.The axle sleeve 7, friction plate 3 and magnetic shell
A coaxial through-hole 9 for housing brake axle 8 and passing through also is equipped on 2.It is connected for no back clearance between the brake axle 8 and axle sleeve 7,
If there are gaps for cooperation between the two, then it will appear the phenomenon of moment zero load, this backhaul gap can cause to transmit torque loss
And many other adverse effects, such as control accuracy reduction, influence braking effect.
The course of work for simply illustrating the utility model below, in the case where the coil 4 must not be electric, such as Fig. 2
Shown, the permanent magnet 10 generates magnetic force to the armature 5, and the end face of the armature 5 is close to the rubbing surface, at described
Under the action of spring 6 is drawn, the axle sleeve 7 can not rotate, so brake axle 8 cannot move under certain torque, to realize
The function of braking.
In the case where the coil 4 obtains electric, as shown in figure 3, the armature 5 is overcome the permanent magnetism by magnetic force
The magnetic force of iron 10 generates gap far from the magnetic shell 2 between the rubbing surface.The armature 5 is losing friction force effect
After can be together freely rotated with the axle sleeve 7, and then discharge the movement of brake axle 8 being connect with internal tooth, connect with intermediate gear
The brake axle 8 synchronize realize rotation.
In the utility model, it is additionally provided with sealing element 12 between the brake axle 8 and flange 1, passes through the design of sealing element 12
It can prevent liquid medium to flow into the high magnetic horizontal permanent magnet brake, influence its service life.Preferably, the braking
Bearing 13 is additionally provided between axis 8 and flange 1.
The beneficial effects of the utility model are mainly reflected in：Simple in structure, deft design uses permanent magnet for brake power
Source, is independent matching mechanism, no residual torque, noiseless, can remain its magnetism, reliability is stronger, prevents to brake
Accident not in place generates, and without being replaced to it, to reduce entreprise cost.The installation position of permanent magnet, it is ensured that it is magnetic high, no
Failure, and install simple and convenient.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiment of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body illustrates that they are all without departing from made by the utility model skill spirit not to limit the scope of protection of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (10)
1. high magnetic horizontal permanent magnet brake, it is characterised in that：Including with flange（1）Pass through bolt（11）Affixed magnetic shell
（2）And it is set to the magnetic shell（2）Interior friction plate（3）, the magnetic shell（2）It is equipped with an accommodating coil（4）Annular
Slot（21）, the friction plate（3）With the magnetic shell（2）It cooperates the coil（4）It is locked on the annular groove（21）
It is interior, the friction plate（3）With the magnetic shell（2）Between be additionally provided with one to by permanent magnet（10）The channel of locking（31）；Institute
State friction plate（3）Another side end face on opposite be equipped with an armature（5）, the armature（5）Pass through leaf spring（6）With axle sleeve（7）Even
It connects, the axle sleeve（7）, friction plate（3）And magnetic shell（2）On be also equipped with one and coaxial house brake axle（8）What is passed through is logical
Hole（9）, the axle sleeve（7）It is installed in the brake axle（8）On, the permanent magnet（10）Axis be perpendicularly oriented to the armature
（5）End face and be parallel to the brake axle（8）Axis.
2. high magnetic horizontal permanent magnet brake according to claim 1, it is characterised in that：The coil（4）Around being located at
Spool（41）On, the spool（41）It is locked on the annular groove（21）It is interior.
3. high magnetic horizontal permanent magnet brake according to claim 2, it is characterised in that：The permanent magnet（10）One
End and the spool（41）It is close to, the other end passes through friction plate（3）Outer profile step（32）It is locked on the channel（31）It is interior,
And the permanent magnet（10）Thickness be equal to the channel（31）Width.
4. high magnetic horizontal permanent magnet brake according to claim 3, it is characterised in that：The coil（4）On it is also solid
Equipped with a signal terminal（42）, the signal terminal（42）With the coil（4）It is electrically connected.
5. high magnetic horizontal permanent magnet brake according to claim 4, it is characterised in that：The brake axle（8）With method
It is blue（1）Between be additionally provided with sealing element（12）And bearing（13）.
6. high magnetic horizontal permanent magnet brake according to claim 5, it is characterised in that：The brake axle（8）With axis
Set（7）Between for no back clearance connect.
7. high magnetic horizontal permanent magnet brake, it is characterised in that：Including magnetic shell（2）, the magnetic shell（2）Including setting in one
There is the annular groove of magnetic core（21）, the magnetic shell（2）Inside be additionally provided with friction plate（3）, the friction plate（3）End face outside
With the magnetic shell（2）End face outside it is concordant and form rubbing surface, the magnetic shell（2）, friction plate（3）And common group of magnetic core
At stator, what is be oppositely arranged with the rubbing surface is rotor, and the rotor includes being fixed at brake axle（8）On axle sleeve
（7）And with the axle sleeve（7）The armature of mating being axially movable（5）, the armature（5）With the axle sleeve（7）Between be
Leaf spring（6）Connection, the armature（5）Movement so that one end is close between the rubbing surface or the end face and the rubbing surface
Generate gap, the friction plate（3）Side and the magnetic shell（2）One is additionally provided between inner surface to by permanent magnet（10）
The channel of locking（31）, the permanent magnet（10）Axis is perpendicularly oriented to the armature（5）End face and be parallel to the brake axle
（8）Axis.
8. high magnetic horizontal permanent magnet brake according to claim 7, it is characterised in that：The permanent magnet（10）In piece
Shape, one circle of arrangement are arranged in the channel（31）It is interior, all permanent magnets（10）Magnetic pole all point to the armature（5）.
9. high magnetic horizontal permanent magnet brake according to claim 8, it is characterised in that：The permanent magnet（10）Setting
In the magnetic core and the armature（5）Between.
10. high magnetic horizontal permanent magnet brake according to claim 7, it is characterised in that：The magnetic core includes spool
（41）And around being located at the spool（41）On coil（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398272.5U CN208041019U (en) | 2018-03-23 | 2018-03-23 | High magnetic horizontal permanent magnet brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398272.5U CN208041019U (en) | 2018-03-23 | 2018-03-23 | High magnetic horizontal permanent magnet brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041019U true CN208041019U (en) | 2018-11-02 |
Family
ID=63947964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820398272.5U Active CN208041019U (en) | 2018-03-23 | 2018-03-23 | High magnetic horizontal permanent magnet brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041019U (en) |
-
2018
- 2018-03-23 CN CN201820398272.5U patent/CN208041019U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |