CN207961334U - High magnetic longitudinal permanent magnet brake - Google Patents
High magnetic longitudinal permanent magnet brake Download PDFInfo
- Publication number
- CN207961334U CN207961334U CN201820398127.7U CN201820398127U CN207961334U CN 207961334 U CN207961334 U CN 207961334U CN 201820398127 U CN201820398127 U CN 201820398127U CN 207961334 U CN207961334 U CN 207961334U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- brake
- friction plate
- magnetic
- armature
- 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.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of longitudinal permanent magnet brake of high magnetism, pass through the affixed magnetic shell of bolt and the friction plate adjacent with the magnetic shell other side including at least with flange, the magnetic shell is equipped with the annular groove of an accommodating coil, the other end of the friction plate is equipped with an opening for housing permanent magnet, the other end of the friction plate is equipped with an armature parallel with the permanent magnet central axes, the armature other end is connect by leaf spring with axle sleeve, the axle sleeve, a coaxial through-hole for housing brake axle and passing through also is equipped on friction plate and magnetic shell, the axle sleeve is installed on the brake axle.The utility model is mainly reflected in：Simple in structure, deft design uses permanent magnet for brake power source, is independent matching mechanism, without residual torque, noiseless, it can remain that its magnetism, reliability are stronger, prevent to brake accident generation not in place, and without replacing 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 longitudinal 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 the moon.System
Dynamic device is widely used in recent years in engineering machinery, vehicle and robot, is to use a kind of relatively wide brake apparatus at present,
Huge with brake force, high temperature resistant, no-spark adapts to complex working condition, ensures the driving safety of vehicle.
Currently, common brake is electromagnetic spring brake, cover board, shell, axle sleeve, dynamic iron core, electromagnetism are generally comprised
Coil and spring.Side wall at shell both ends is respectively equipped with cover board.Axle sleeve side is adjacent with cover board, and side is adjacent with dynamic iron core.
Axle sleeve and dynamic iron core are respectively a pair of and are located at enclosure interior, and axle sleeve and dynamic iron core are respectively along the central axes of electromagnetic spring brake
It is symmetrical.Electromagnetic coil is equipped in shell.Spring is located in shell, and both ends of the spring is respectively adjacent with a dynamic iron core.
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 longitudinal permanent magnet braking of high magnetism
Device.
The purpose of this utility model is achieved through the following technical solutions：
A kind of longitudinal permanent magnet brake of high magnetism, include at least with flange by the affixed magnetic shell of bolt and with institute
The adjacent friction plate in the magnetic shell other side is stated, the magnetic shell is equipped with the annular groove of an accommodating coil, the friction plate and institute
It states the mutual cooperation of magnetic shell the coil is locked in the annular groove；The other end of the friction plate is equipped with one for housing
The opening of permanent magnet, the end face of the permanent magnet and the end face of the friction plate are in same plane；The friction plate it is another
End is equipped with an armature parallel with the permanent magnet central axes, and the end face of the end face of the armature and the permanent magnet and
The end face of friction plate can be close to；The armature other end is connect by leaf spring with axle sleeve, the axle sleeve, friction plate and magnetic shell
On be also equipped with a coaxial through-hole for housing brake axle and passing through, the axle sleeve is installed on the brake axle.
Preferably, on spool, the spool is locked in the annular groove for the coil winding.
Preferably, a signal terminal is fixedly provided on the coil, the signal terminal is electrically connected with the coil.
Preferably, it is additionally provided with sealing element between the brake axle and flange.
Preferably, it is additionally provided with bearing 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 longitudinal 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, one is additionally provided on the friction plate to by permanent magnetism
The opening of iron locking, the axis of the permanent magnet are perpendicularly oriented to the axis of the brake axle and are parallel to the end face of the armature.
Preferably, in the form of sheets, one circle of arrangement is arranged in the opening the permanent magnet, and the lateral surface of the permanent magnet
It is coplanar with the rubbing surface.
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.
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：The sectional view of the utility model, at this point, under power blackout situation；
Fig. 3：The sectional view of the utility model, at this point, 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 longitudinal 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.
The friction plate 3 is equipped with an opening 31, at least one permanent magnet 10 is certainly, described in the opening 31
The quantity of permanent magnet 10 may be multiple, specifically as shown in Figure 1, the permanent magnet 10 in the form of sheets, arranges a circle setting in institute
It states in channel 31, is distributed on the periphery of the friction plate 3.The permanent magnet 10 is locked in the opening 31, and the permanent magnetism
The thickness of iron 10 is equal to the width in the channel 31.
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.The concrete structure of rotor is as described below.
Opposite on another side end face of the magnetic shell 2 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 axis of brake axle 8 and is parallel to the end face of the armature 5, 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, described
Under the action of 10 magnetic force of permanent magnet, the armature 5 tightly presses together with magnetic shell 2 and permanent magnet 10, in the leaf spring 6
Under the action of traction, the axle sleeve 7 can not rotate, so brake axle 8 cannot move under certain torque, to realize system
Dynamic function.
In the case where the coil 4 obtains electric, the armature 5 is overcome the magnetic force of the permanent magnet 10 by magnetic force
Far from the magnetic shell 2.The armature 5 is detached from magnetic shell 2, and the axle sleeve 7 is free to rotate after losing friction force effect, into
And the movement for the brake axle 8 being connect with internal tooth is discharged, realization synchronous with the brake axle 8 of intermediate gear connection rotates.
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 longitudinal 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.
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 longitudinal permanent magnet brake, it is characterised in that：It includes at least and flange（1）Pass through bolt（11）Affixed magnetic
Shell（2）And with the magnetic shell（2）The adjacent friction plate in the other side（3）, the magnetic shell（2）It is equipped with an accommodating coil
（4）Annular groove（21）, the friction plate（3）With the magnetic shell（2）It cooperates the coil（4）It is locked on the ring
Shape slot（21）It is interior；The friction plate（3）The other end be equipped with one for housing permanent magnet（10）Opening（31）, the permanent magnet
（10）End face and the friction plate（3）End face be in same plane；The friction plate（3）The other end be equipped with one with it is described
Permanent magnet（10）The parallel armature in central axes（5）, and the armature（5）End face and the permanent magnet（10）End face and
Friction plate（3）End face can be close to；The armature（5）The other end passes through leaf spring（6）With axle sleeve（7）Connection, the axle sleeve（7）、
Friction plate（3）And magnetic shell（2）On be also equipped with one and coaxial house brake axle（8）The through-hole passed through（9）, the axle sleeve
（7）It is installed in the brake axle（8）On.
2. high magnetic longitudinal 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 longitudinal permanent magnet brake according to claim 2, 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.
4. high magnetic longitudinal permanent magnet brake according to claim 3, it is characterised in that：The brake axle（8）With method
It is blue（1）Between be additionally provided with sealing element（12）.
5. high magnetic longitudinal 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 bearing（13）.
6. high magnetic longitudinal 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 longitudinal 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）On be additionally provided with one to by permanent magnet（10）The opening of locking（31）, the permanent magnet（10）
Axis be perpendicularly oriented to the brake axle（8）Axis and be parallel to the armature（5）End face.
8. high magnetic longitudinal 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 opening（31）It is interior, and the permanent magnet（10）Lateral surface and the rubbing surface it is coplanar.
9. high magnetic longitudinal 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 longitudinal 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 |
|---|---|---|---|
| CN201820398127.7U CN207961334U (en) | 2018-03-23 | 2018-03-23 | High magnetic longitudinal permanent magnet brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398127.7U CN207961334U (en) | 2018-03-23 | 2018-03-23 | High magnetic longitudinal permanent magnet brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961334U true CN207961334U (en) | 2018-10-12 |
Family
ID=63726046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820398127.7U Active CN207961334U (en) | 2018-03-23 | 2018-03-23 | High magnetic longitudinal permanent magnet brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207961334U (en) |
-
2018
- 2018-03-23 CN CN201820398127.7U patent/CN207961334U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3256751B1 (en) | A brake with a reed switch for indicating an operating condition of the brake | |
| US8881882B2 (en) | Rotational coupling device with improved lubrication | |
| US8123012B2 (en) | Rotational coupling device with wear compensation structure | |
| US9438084B2 (en) | Explosion-proof braking device with non-magnetic shaft for an explosion-proof electric motor | |
| EP2732176B1 (en) | Rotational coupling device with flux leakage path insulator | |
| US8844701B2 (en) | Rotational coupling device with improved drive key retention structure | |
| CN108512380B (en) | Annular winding double-rotor permanent magnet synchronous motor with electromagnetic linkage device | |
| CN108458013A (en) | High magnetic horizontal permanent magnet brake | |
| JP2023071633A (en) | differential system | |
| CN207961334U (en) | High magnetic longitudinal permanent magnet brake | |
| CN208041019U (en) | High magnetic horizontal permanent magnet brake | |
| EP2657561B1 (en) | Explosion-proof braking device for an explosion-proof electric motor | |
| CN205423598U (en) | Magneto electromagnetic clutch | |
| CN104747620A (en) | Electromagnetic clutch | |
| CN101420151A (en) | Shielding pump having axial directional permanent magnetic pulling force disk | |
| CN210380517U (en) | Permanent magnet brake for permanent magnet motor and permanent magnet brake motor | |
| CN108233672B (en) | Rotary electromagnet | |
| CN111005905A (en) | Integrated form direct drive servovalve | |
| JPH1051992A (en) | Electric motor | |
| CA3130520C (en) | Rotational coupling device with flux conducting bearing shield | |
| EP4310356A1 (en) | Monostable electromagnetic clutch | |
| CN107781485A (en) | A kind of high-speed electromagnetic valve | |
| JP7542694B2 (en) | Monostable Electromagnetic Clutch | |
| TW201022549A (en) | Electromagnetically actuatable brake | |
| US12071986B2 (en) | Monostable electromagnetic clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |