CN205178837U - Flexible magnetic brake of two magnets - Google Patents
Flexible magnetic brake of two magnets Download PDFInfo
- Publication number
- CN205178837U CN205178837U CN201520533256.9U CN201520533256U CN205178837U CN 205178837 U CN205178837 U CN 205178837U CN 201520533256 U CN201520533256 U CN 201520533256U CN 205178837 U CN205178837 U CN 205178837U
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- China
- Prior art keywords
- permanent magnet
- magnet
- sleeve
- voussoir
- magnetic
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- Withdrawn - After Issue
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Abstract
The utility model provides a flexible magnetic brake of two magnets, characterized by includes suppoting axle (1), braked wheel (2), interior magnet collar (3), first permanent magnet (4), second permanent magnet (5), outer magnet fixed loop (6), sleeve (7), array output (8), guide post (9), guide pin bushing (10), bolt (11), spring (12), first voussoir (13), second voussoir (14) and braking executor (15) one braked wheel (2) outer fixed surface interior magnet collar (3), will be a set of radial adjacent polarity is fixed it on suppoting axle (1) in being the evenly distributed's of magnet collar (3) including first permanent magnet (4) installation of the same sex groove, becomes one. This stopper produces opposite poles attract's magnetic braking under permanent magnet opposite poles attract or magnetic force, make the suppoting axle despin, reaches the purpose of flexible braking. The hazard of vibration that brings has been avoided under the unexpected braking of equipment.
Description
Technical field
The utility model relates to the transmission field in mechanical engineering, refers in particular to a kind of two magnet flexible magnetic force magnetic brake.It can be widely used in conveying machinery, building materials, and metallurgical, the large inertia equipment such as coal need in flexible braking operating mode, also can be used as various forms of transport and the various occasions needing auxiliary flexible to brake such as train, electric locomotive, ship..
Background technology
In existing known conventional brake field, mostly adopt friction catch principle, during braking friction plate by and the component contact that is braked apply pressure and directly produce frictional force square, the revolving part run up is shut down.Brake friction sheet material is all worn and consumes, wearing and tearing number, time length, with material heat-resisting quantity, the stability of friction plate, resistance to wear and normal pressure etc. are relevant.
Summary of the invention
The purpose of this utility model is to provide a kind of two magnet flexible magnetic force magnetic brake, the utility model provides a kind of flexible magnetic force magnetic brake being different from other types, magnetic brake adopts tubular construction, magnetic brake adopts inner and outer rotors bitubular form (circular ring type) structure, to overcome above-mentioned defect.
The technical solution of the utility model is:
A kind of two magnet flexible magnetic force magnetic brake, comprise bearing axle 1, braked wheel 2, inner magnet installing ring 3, first permanent magnet 4, second permanent magnet 5, outer magnet retainer ring 6, sleeve 7, supporting baffle 8, lead 9, guide pin bushing 10, bolt 11, spring 12, first voussoir 13, second voussoir 14 and brake actuator 15, an inner magnet installing ring 3 is fixed at described braked wheel 2 outer surface, the first permanent magnet 4 by the polarity of one group of radially adjoining being the same sex is arranged in the equally distributed groove of inner magnet installing ring 3, be fixed on bearing axle 1, one-tenth is integrated, rotate together with bearing axle 1, when bearing axle 1 rotates, braked wheel 2, inner magnet installing ring 3 rotate together with bearing axle 1 with the first permanent magnet 4, outer magnet retainer ring 6 is fixed on sleeve 7, the second permanent magnet 5 being the same sex by the polarity of another group radially adjoining loads in the equally distributed groove of outer magnet retainer ring 6, sleeve 7 is equipped with one group of lead 9, the supporting baffle 8 corresponding with lead 9 has installed guide pin bushing 10, connect with one group of spring 12 and bolt 11 between sleeve 7 and supporting baffle 8, under the support and constraint of lead, keep non rotating, only axially move under the action of actuator.
Described sleeve 7 is fixed with below the first voussoir 13, first voussoir 13 and connects brake actuator 15 by promotion second voussoir 14.
Described spring 11 has some, and lead 9 and guide pin bushing 10 have some covers, is evenly distributed on the end face of sleeve 7, and lead 9 supports the weight of one group of second permanent magnet 5, outer magnet retainer ring 6 and sleeve 7 and bears braking torque.
Described first permanent magnet 4 and the second permanent magnet 5 radial air gap distance are about 2-3mm.
Described first permanent magnet 4 quantity is consistent with the second permanent magnet 5 quantity, and the first permanent magnet 4 is the same magnetic of polarity radially, and the second permanent magnet 5 is the same magnetic of polarity radially, and the first permanent magnet 4 is contrary with the radial magnetic polarity of the second permanent magnet 5.
The beneficial effects of the utility model are:
A kind of flexible magnetic force magnetic brake of the present utility model can effectively stop relatively rotating between braked wheel permanent magnet 4 and sleeve 7, when needing braking, by actuator, the second voussoir 14 is pulled open, leave wedge fast 13 on sleeve 7 when the assembly of sleeve 7 and the second permanent magnet 5 pushes rapidly the left side under the pressure of the spring to, magnetic-force flexible braking will be produced under magnetic Field Coupling, bearing axle is stopped the rotation, reaches the object of flexible braking.The hazard of vibration brought under avoiding the unexpected braking of equipment.
A kind of flexible magnetic force magnetic brake of the present utility model is magnetic couple effect brake, the air gap of 3-4 millimeter is had between first permanent magnet 4 and the second permanent magnet 5 radial direction, do not resemble conventional brake to rub pressure between sassafras sheet and close contact and the moment of friction that produces produces braking by braked wheel and braking, and drag friction is larger, temperature sharply raises, due to during braking to subtract acceleration comparatively large thus cause its vibration equipment also larger, due to friction, braked wheel is easy to wear, and brake strip also will often be changed because of wearing and tearing.
Accompanying drawing explanation
Fig. 1 is two magnet flexible magnetic force magnetic brake structural brakeless view.
Fig. 2 is two magnet flexible magnetic force magnetic brake structural magnet distribution schematic diagrams.
Fig. 3 is two magnet flexible magnetic force magnetic brake structural on-position schematic diagrames.
Fig. 4 is one of two magnet flexible magnetic force magnetic brake actuators 15 operating diagram.
Fig. 5 is two magnet flexible magnetic force magnetic brake actuators 15 operating diagram two.
Fig. 6 is two left schematic diagrames of magnet flexible magnetic force magnetic brake actuator 15 structure.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As Fig. 1 to Fig. 6, a kind of two magnet flexible magnetic force magnetic brake, comprise bearing axle 1, braked wheel 2, inner magnet installing ring 3, first permanent magnet 4, second permanent magnet 5, outer magnet retainer ring 6, sleeve 7, supporting baffle 8, lead 9, guide pin bushing 10, bolt 11, spring 12, first voussoir 13, second voussoir 14 and brake actuator 15, an inner magnet installing ring 3 is fixed at described braked wheel 2 outer surface, the first permanent magnet 4 by the polarity of one group of radially adjoining being the same sex is arranged in the equally distributed groove of inner magnet installing ring 3, be fixed on bearing axle 1, one-tenth is integrated, rotate together with bearing axle 1, when bearing axle 1 rotates, braked wheel 2, inner magnet installing ring 3 rotate together with bearing axle 1 with the first permanent magnet 4, outer magnet retainer ring 6 is fixed on sleeve 7, the second permanent magnet 5 being the same sex by the polarity of another group radially adjoining loads in the equally distributed groove of outer magnet retainer ring 6, sleeve 7 is equipped with one group of lead 9, the supporting baffle 8 corresponding with lead 9 has installed guide pin bushing 10, connect with one group of spring 12 and bolt 11 between sleeve 7 and supporting baffle 8, under the support and constraint of lead, keep non rotating, only axially move under the action of actuator.
Magnetic brake adopts to produce the magnetic braking that there is a natural attraction between the sexes under permanent magnet there is a natural attraction between the sexes magneticaction; Braked wheel 2 outer surface fixes an inner magnet installing ring 3, and the first permanent magnet 4 by the polarity of one group of radially adjoining being the same sex is arranged in the equally distributed groove of inner magnet installing ring 3, and be fixed on bearing axle 1, one-tenth is integrated, and rotates together with bearing axle 1; Outer magnet retainer ring 6 is fixed on sleeve 7, the second permanent magnet 5 being the same sex by the polarity of another group radially adjoining loads in the equally distributed groove of outer magnet retainer ring 6, sleeve 7 is equipped with one group of lead 9, the supporting baffle 8 corresponding with lead 9 has installed guide pin bushing 10, connect with one group of spring 12 and bolt 11 between sleeve 7 and supporting baffle 8, non rotating is kept under the support and constraint of lead, under the effect of wedge 14 and spring 12, need only to do round axial motion according to instruction.First permanent magnet 4 quantity is consistent with the second permanent magnet 5 quantity, and the first permanent magnet 4 is the same magnetic of polarity radially, and the second permanent magnet 5 is the same magnetic of polarity radially, and the first permanent magnet 4 is contrary with the radial magnetic polarity of the second permanent magnet 5.When first permanent magnet 4 of the second permanent magnet 5 in sleeve 7 on bearing axle 1, first permanent magnet 4 and the corresponding position of the second permanent magnet 5 produce that there is a natural attraction between the sexes or produce at magneticaction the magnetic braking that there is a natural attraction between the sexes, sleeve 7 and the second permanent magnet 5 do not turn, because magneticaction also makes to stop the rotation with the bearing axle of braked wheel.
First permanent magnet 4 and the second permanent magnet 5 material, based on the rubidium iron boron in high performance rare earth alloy, the inner magnet installing ring 3 of fixed magnets and the material of outer magnet retainer ring 6, with aluminium, copper, the non-magnetizable material such as austenitic stainless steel are main.The magnetizable steel of sleeve 7 material manufacture.
During work, bearing axle 1 rotates, and braked wheel 2, inner magnet installing ring 3 rotate together with bearing axle 1 with the first permanent magnet 4; The second permanent magnet 5 being the same sex by the polarity of another group radially adjoining loads in the equally distributed groove of outer magnet retainer ring 6, sleeve 7 is equipped with one group of lead 9, the supporting baffle 8 corresponding with lead 9 has installed guide pin bushing 10, connect with one group of spring 12 and bolt 11 between sleeve 7 and supporting baffle 8, under the support and constraint of lead, keep non rotating.
Before motor drives bearing axle 1 to rotate, first need brake actuator 15 to be promoted the second voussoir 14 radial direction and draw close movement, promote the first voussoir 13 be fixed on sleeve 7 to move axially to the right together, depart from the magnetic coupling region of the first permanent magnet 4 and the second permanent magnet 5, magnetic force between first permanent magnet 4 and the second permanent magnet 5 disappears, and then starter motor drives bearing axle 1, braked wheel 2 rotates together with the first magnet 4.When needs are braked, send instruction notification brake actuator 15 to pull open fast for wedge 14, sleeve 7 outer magnet retainer ring 6 and the second permanent magnet 5 do left under the pressure of the spring and move axially instantaneously rapidly, the S pole of the N pole of the first permanent magnet 4 or S pole and the second magnet 6 or N pole produce at magneticaction the magnetic braking that there is a natural attraction between the sexes, and the magnetic force that several second permanent magnets 5 in distribution several first permanent magnets 4 on the brake wheel and sleeve 7 produce is greater than produced braking moment sum will make bearing axle 1 stop the rotation.
Sleeve 7 is fixed with below the first voussoir 13, first voussoir 13 and connects brake actuator 15 by promotion second voussoir 14.
Spring 11 has some, and lead 8 and guide pin bushing 9 have some covers, is evenly distributed on the end face of sleeve 7, lead 9 support one group of second permanent magnet 5, outer magnet retainer ring 6 and sleeve 7 weight and bear braking torque.
First permanent magnet 4 and the second permanent magnet 5 radial air gap distance are about 2-3mm.
Operation principle: before equipment needs to start running, first should allow and perform brake actuator 15 power-off, , the second voussoir 14 is driven to draw close movement as radial direction by lever construction, promote the first voussoir 13 be fixed on sleeve 7 to move right at bearing axle 1, thus promote sleeve 7, outer magnet retainer ring 6 moves right together with the second magnet 5, depart from the magnetic coupling region of the first permanent magnet 4 and the second permanent magnet 5, magnetic force between first permanent magnet 4 and the second permanent magnet 5 disappears, at this moment just bearing axle 1 can be driven by starter motor, braked wheel 2, inner magnet installing ring 3 rotates together with the first magnet 4.When needs are braked, first by the power-off of load drive motors, bearing axle 1 is still being rotated according to inertia, then when control system sends braking instruction, brake actuator 15 is energized, drive the outside circular direction of the second voussoir 14 to move by lever machinery, the elastic force being arranged on the spring 12 between sleeve 7 and baffle plate 8 discharges rapidly, and sleeve 7, outer magnet retainer ring 6 and the second magnet 5 are pushed back left side original position.Now the N pole of the first permanent magnet 4 or the S pole of S pole and the second magnet 6 or N pole produce at magneticaction the magnetic braking that there is a natural attraction between the sexes, and bearing axle 1 is stopped the rotation.
Brake actuator 15 operation principle: when energized, the push rod be fixed on fluid power pusher rises rapidly, by lever machinery 16 tensile load spring 17, promotes the outside circular direction of the second voussoir 14 and moves.When power is off, be fixed on push rod on fluid power pusher and become to decline rapidly under load spring 17 power and Action of Gravity Field own, at this moment still moved to center position by leverage promotion second voussoir 14 that sets back.At this moment should be non-brake operating mode, equipment can start running.
The utility model provides a kind of method of braking newly, adopts two groups of permanent magnets, under permanent magnet there is a natural attraction between the sexes magneticaction, produce the magnetic braking that there is a natural attraction between the sexes; One group of radial polarity is fixed on bearing axle with the permanent magnet of magnetic, follows and rotates together with bearing axle, and another is organized radial polarity and is fixed on bearing axle with the permanent magnet of magnetic and puts, and non rotating, only does and axially come and go rectilinear motion.The radial magnetic of permanent magnet of two groups is contrary, if the N pole of the first permanent magnet 4, so S pole of the second permanent magnet 5, there is a natural attraction between the sexes or produce at magneticaction the magnetic braking that there is a natural attraction between the sexes for permanent magnet.First permanent magnet 4 is that noncontact is connected with the second permanent magnet 5, and magnetic brake does not have attrition.
Embodiment recited above is only be described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design concept prerequisite; the various modification that in this area, common engineers and technicians make the technical solution of the utility model and improvement; all should fall into protection range of the present utility model, the technology contents of the utility model request protection is all recorded in detail in the claims.
Claims (5)
1. a two magnet flexible magnetic force magnetic brake, it is characterized in that comprising bearing axle (1), braked wheel (2), inner magnet installing ring (3), first permanent magnet (4), second permanent magnet (5), outer magnet retainer ring (6), sleeve (7), supporting baffle (8), lead (9), guide pin bushing (10), bolt (11), spring (12), first voussoir (13), second voussoir (14) and brake actuator (15), an inner magnet installing ring (3) is fixed at described braked wheel (2) outer surface, the first permanent magnet (4) by the polarity of one group of radially adjoining being the same sex is arranged in the equally distributed groove of inner magnet installing ring (3), be fixed on bearing axle (1), one-tenth is integrated, rotate together with bearing axle (1), when bearing axle (1) rotates, braked wheel (2), inner magnet installing ring (3) and the first permanent magnet (4) rotate together with bearing axle (1), outer magnet retainer ring (6) is fixed on sleeve (7), the second permanent magnet (5) being the same sex by the polarity of another group radially adjoining loads in the equally distributed groove of outer magnet retainer ring (6), sleeve (7) is equipped with one group of lead (9), the supporting baffle (8) corresponding with lead (9) has installed guide pin bushing (10), connect with one group of spring (12) and bolt (11) between sleeve (7) and supporting baffle (8), under the support and constraint of lead, keep non rotating, only axially move under the action of actuator.
2. according to claim 1 pair of magnet flexible magnetic force magnetic brake, is characterized in that described sleeve (7) is fixed with the first voussoir (13), and the first voussoir (13) below connects brake actuator (15) by promotion second voussoir (14).
3. according to claim 1 pair of magnet flexible magnetic force magnetic brake, it is characterized in that described spring (12) has some, lead (9) and guide pin bushing (10) have some covers, be evenly distributed on the end face of sleeve (7), lead (9) support one group of second permanent magnet (5), outer magnet retainer ring (6) and sleeve (7) weight and bear braking torque.
4. according to claim 1 pair of magnet flexible magnetic force magnetic brake, is characterized in that described first permanent magnet (4) and the second permanent magnet (5) radial air gap distance are about 2-3mm.
5. the two magnet flexible magnetic force magnetic brake of one according to claim 1, it is characterized in that described first permanent magnet (4) quantity is consistent with the second permanent magnet (5) quantity, first permanent magnet (4) is the same magnetic of polarity radially, second permanent magnet (5) is the same magnetic of polarity radially, and the first permanent magnet (4) is contrary with the second permanent magnet (5) radial magnetic polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533256.9U CN205178837U (en) | 2015-07-21 | 2015-07-21 | Flexible magnetic brake of two magnets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533256.9U CN205178837U (en) | 2015-07-21 | 2015-07-21 | Flexible magnetic brake of two magnets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178837U true CN205178837U (en) | 2016-04-20 |
Family
ID=55742767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520533256.9U Withdrawn - After Issue CN205178837U (en) | 2015-07-21 | 2015-07-21 | Flexible magnetic brake of two magnets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205178837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119465A (en) * | 2015-07-21 | 2015-12-02 | 南京迪瓦机械制造有限公司 | Double-magnetic wheel flexible magnetic brake |
| CN107888020A (en) * | 2017-12-11 | 2018-04-06 | 浙江联宜电机有限公司 | Can quick shutdown motor |
| CN111232565A (en) * | 2020-03-09 | 2020-06-05 | 安徽理工大学 | Permanent magnet non-contact type backstop |
-
2015
- 2015-07-21 CN CN201520533256.9U patent/CN205178837U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119465A (en) * | 2015-07-21 | 2015-12-02 | 南京迪瓦机械制造有限公司 | Double-magnetic wheel flexible magnetic brake |
| CN105119465B (en) * | 2015-07-21 | 2017-11-10 | 南京迪瓦机械制造有限公司 | A kind of double magnet-wheel flexible magnetic force magnetic brakes |
| CN107888020A (en) * | 2017-12-11 | 2018-04-06 | 浙江联宜电机有限公司 | Can quick shutdown motor |
| CN111232565A (en) * | 2020-03-09 | 2020-06-05 | 安徽理工大学 | Permanent magnet non-contact type backstop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20171110 |
|
| AV01 | Patent right actively abandoned |