CN201307821Y - Magnetic powder arrester - Google Patents
Magnetic powder arrester Download PDFInfo
- Publication number
- CN201307821Y CN201307821Y CNU2008201459861U CN200820145986U CN201307821Y CN 201307821 Y CN201307821 Y CN 201307821Y CN U2008201459861 U CNU2008201459861 U CN U2008201459861U CN 200820145986 U CN200820145986 U CN 200820145986U CN 201307821 Y CN201307821 Y CN 201307821Y
- Authority
- CN
- China
- Prior art keywords
- magnetic
- rotor
- copper ring
- coil
- rotating shaft
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a magnetic powder arrester, which comprises a group of outer cover, a coil, a non-magnetic-conductivity rotating shaft, a plurality of magnetic absorption components and at least a separation component, and is characterized in that the coil, the magnetic absorption components and the separation component are arranged inside the outer cover, and the coil is wound at the periphery of the magnetic absorption components and the separation component; the magnetic absorption component is provided with an outer copper ring and a rotor, and the outer copper ring is encircled at the outer circle of the rotor and is electrically connected with the coil; the separation component is arranged between the magnetic absorption components, and the separation component is provided with a separation plate and an inner copper ring, and the separation plate is encircled at the outer circle of the inner copper ring, and magnetic powder is distributed between the rotor and the separation plate; and the non-magnetic-conductivity rotating shaft passes through the center of the outer cover and the inner copper ring to be fixedly connected with the rotor. When the coil is electrified, the magnetic powder is absorbed on the surface of the rotor in a beam shape under the influence of the current; moreover, the magnetic powder generates the magnetism under the influence of the current so as to arrest the torque of the rotor, so that the rotor can synchronically arrest the rotation of the non-magnetic-conductivity rotating shaft.
Description
Technical field:
The utility model relates to a kind of magnetic powder brake, particularly a kind of brake structural of tool plural number rotor, and mat should increase whole its torque zone by the plural number rotor, obtained better braking effect with little space.
Background technology:
Magnetic formula brake is a kind of automatic control unit of superior performance.It is a working media with the magnetic, is control device with the exciting curent, reaches sliding purpose along control change braking or change transmitting torque.Its output torque and exciting curent are good linear relationship makes the brake torque sliding along changing with the change of electric current and voltage, and has sensitive response speed advantages of simple structure and simple.Be widely used in printing, the relevant tension automatic control system that batches discharging device such as packing, papermaking and paper product processing, weaving, printing, electric wire, cable, rubber leather, metallic foil processing.
Existing magnetic formula brake sees also Figure 1 and Figure 2, it comprises a rotor 01, a rotating cylinder 02 and a yoke 03, this rotor 01 is an annular, this rotating cylinder 02 also be the annular and with rotor 01 concentric, and coat rotor 01 in it, be connected in series mutually with a brake axle 04 in addition, be to insert magnetic 05 between this rotating cylinder 02 and the rotor 01, this rotating cylinder 02 periphery system is provided with a breach 06, this yoke 03 be the annular and with rotor 01 concentric, and be to be provided with a coil 07 around wherein, this yoke 03 is to coat rotating cylinder 02 in it, and with a lid 08 overall package is finished; When no power, magnetic formula brake is the liberation state, can not produce moment of torsion, and this moment, centrifugal force can make magnetic 05 be attached to the partly peripheral of rotating cylinder 02 and rotor 01 gap; When energising, coil 07 is subjected to when excitatory the flux of brute force can be made magnetic 05 tie in the gap to be a branch of, to become solid, shaped and produce moment of torsion, the effect of generation braking;
Though described magnetic formula brake can produce the effect that galvanomagnetic effect reaches braking, however its only the single rotor of tool finish the braking of torque, its braking effect slightly dislikes not enough at the same space.
In view of the difficult problem that above-mentioned creation can't overcome, under this creator continuous research for years, release the magnetic powder brake of tool plural number rotor, the phase can increase rotor quantity to reach stronger torque braking benefit.
Summary of the invention:
The purpose of this utility model is a kind of magnetic powder brake that possesses plural rotor as enhancing torque braking benefit of design.
Technical solutions of the utility model are achieved in that a kind of magnetic powder brake, it comprises one group of enclosing cover, one coil, one non-magnetic rotating shaft, plural number magnetic assembly and at least one barrier assembly, it is characterized in that: this coil, magnetic assembly and barrier assembly are located in the enclosing cover, and coil is the periphery that is surrounded on magnetic assembly and barrier assembly, this magnetic assembly includes an outer copper ring and a rotor, this outer copper ring is surrounded on the outer ring of rotor and electrically connects with coil, this barrier assembly is located between magnetic assembly and the magnetic assembly, this barrier assembly includes copper ring in a dividing plate and, diaphragm rings is around in interior copper ring outer ring, be distributed with magnetic between rotor and dividing plate, this non-magnetic rotating shaft be break-through enclosing cover center and pass in copper ring and fix with rotor; By this, after coil conduction, magnetic is subjected to current affects system to present pencil and is adsorbed in rotor surface, and the torque that is subjected to current affects to produce magnetic and then brake rotors of this magnetic, the rotation that this rotor can the rotating shaft of synchronous braking non-magnetic.
The external diameter edge both sides of described dividing plate respectively are provided with a corresponding groove, and outer copper ring and this corresponding groove are the driving fit setting, can avoid magnetic to leak.
The inner face center of described enclosing cover is provided with a stator slot and a dustproof groove, be provided with a stator in this stator slot, dustproof groove is provided with a dustproof sheet, and this dustproof sheet is the structure of covering stator, stator and dustproof sheet pass in non-magnetic rotating shaft system, and this non-magnetic rotating shaft is protruding with a protruding key in the position of enclosing cover inside, and the heart and non-magnetic rotating shaft break-through position respectively are provided with a location notch and the chimeric location of protruding key among stator, dustproof sheet and the rotor.
The utility model magnetic powder brake, reach the effect of braking except that having the galvanomagnetic effect of generation, its magnetic assembly presents plural number setting, can be in response to the braking force difference of machinery institute palpus, the quantity of adjusting the magnetic assembly gives correspondence, the big more magnetic component count of required braking force can be provided with many more, by this can be effectively in response to the different demands of mechanical engineering on braking force.Therefore the utility model a kind of creation that quite has practicality and progressive of can saying so quite is worth industrial circle to be promoted.
Description of drawings:
Below in conjunction with concrete legend the utility model is described further:
Fig. 1 has magnetic formula brake structural generalized section now
Fig. 2 has magnetic formula brake structural decomposing schematic representation now
Fig. 3 the utility model magnetic formula brake three-dimensional exploded view
Fig. 4 the utility model magnetic formula brake stereoscopic figure
Fig. 5 the utility model magnetic formula brake sectional exploded view
Fig. 6 the utility model magnetic formula brake generalized section
Wherein
The prior art part:
01-rotor, 02-rotating cylinder, 03-yoke
04-brake axle, 05-magnetic, 06-breach
07-coil, 08-lid
The utility model part:
1-enclosing cover, 11-radiating fin, 12-stator slot
13-dustproof groove 14-stator 141-location notch
15-dustproof sheet, 151-location notch, 2-coil
3-non-magnetic rotating shaft 31-protruding key 4-magnetic assembly
41-outer copper ring 42-rotor 421-location notch
5-barrier assembly, 51-dividing plate, 511-corresponding groove
52-interior copper ring
Embodiment:
With reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the relevant a kind of magnetic powder brake of the utility model, especially a kind of brake structural of tool plural number rotor, mat should increase whole its torque zone by the plural number rotor, to obtain better braking effect, this magnetic powder brake system comprises one group of enclosing cover 1, a coil 2, a non-magnetic rotating shaft 3, plural number magnetic assembly 4 and at least one barrier assembly 5, this coil 2, magnetic assembly 4 and barrier assembly 5 all are located in the enclosing cover 1, and coil 2 is surrounded on the periphery of magnetic assembly 4 and barrier assembly 5; This enclosing cover 1 forms plurality of radiating fins 11 in outer surface, the thermal source that is produced during as the dispersion machine run, this enclosing cover 1 is provided with the stator slot 12 of an annular in the inner face center, and this enclosing cover 1 forms a dustproof groove 13 in stator slot 12 outer rings, be provided with a stator 14 in this stator slot 12, dustproof groove 13 is provided with a dustproof sheet 15, and these dustproof sheet 15 1 sides are the structure of covering stator 14, another side-line is attached at magnetic assembly 4, prevents that magnetic from leaking.
This magnetic assembly 4 includes an outer copper ring 41 and a rotor 42, this outer copper ring 41 is surrounded on the outer ring of rotor 42 and electrically connects with coil 2, this barrier assembly 5 is located between magnetic assembly 4 and the magnetic assembly 4, this barrier assembly 5 includes copper ring 52 in a dividing plate 51 and, dividing plate 51 is surrounded on interior copper ring 52 outer rings, the external diameter edge both sides of this dividing plate 51 respectively are provided with a corresponding groove 511, outer copper ring 41 is to be the driving fit setting with corresponding groove 511, these non-magnetic rotating shaft 3 break-through enclosing covers 1 also pass stator 14, dirt-proof boot 15, rotor 42 and interior copper ring 52, and this non-magnetic rotating shaft 3 is protruding with a protruding key 31 in the position of enclosing cover 1 inside, stator 14, the heart and non-magnetic rotating shaft 3 break-through positions respectively are provided with a location notch 141 among dustproof sheet 15 and the rotor 42,151,421 with protruding key 31 chimeric location, be distributed with magnetic between rotor 42 and dividing plate, see through dividing plate 51 and isolate position, rotor 42 outer ring, and interior copper ring 52 is arranged at intervals at rotor 42 centers as isolating rotor 42 inner ring positions with outer copper ring 52.By this, after coil 2 conductions, magnetic is subjected to current affects system to present pencil and is adsorbed in rotor 42 surfaces, and this magnetic is subjected to current affects to produce the torque of magnetic and then brake rotors 42, this rotor 42 gets final product the rotation of synchronous braking non-magnetic rotating shaft 3, and interior copper ring 52 belongs to the non-magnetic characteristic of conduction with outer copper ring 41, and sees through the Internal and external cycle that interior copper ring 52 and outer copper ring 41 are arranged at rotor 42 respectively, and the magnetic force that magnetic produced that is adsorbed on the rotor 42 is not leaked.
The utility model magnetic powder brake reaches the effect of braking except that having the galvanomagnetic effect of generation, its magnetic assembly 4 is to present plural number setting, can be in response to the braking force difference of machinery institute palpus, the quantity of adjusting magnetic assembly 4 gives correspondence, big more magnetic assembly 4 quantity of required braking force can be provided with many more, by this can be effectively in response to the different demands of mechanical engineering on braking force.
The person only is in order to explain preferred embodiment of the present utility model from the above mentioned; be not that the attempt tool is to do any pro forma restriction to this creation; be with; all have following of identical creation spirit be relevant any modification of the present utility model or change person; for other schemes that can implement according to this and have same effect person, all must be included in the category of the utility model intention protection.
Claims (4)
1, a kind of magnetic powder brake, it comprises one group of enclosing cover, one coil, one non-magnetic rotating shaft, plural number magnetic assembly and at least one barrier assembly, it is characterized in that: this coil, magnetic assembly and barrier assembly are located in the enclosing cover, and coil is the periphery that is surrounded on magnetic assembly and barrier assembly, this magnetic assembly includes an outer copper ring and a rotor, this outer copper ring is surrounded on the outer ring of rotor and electrically connects with coil, this barrier assembly is located between magnetic assembly and the magnetic assembly, this barrier assembly includes copper ring in a dividing plate and, diaphragm rings is around in interior copper ring outer ring, be distributed with magnetic between rotor and dividing plate, this non-magnetic rotating shaft be break-through enclosing cover center and pass in copper ring and fix with rotor.
2, magnetic powder brake according to claim 1 is characterized in that: the external diameter edge both sides of this dividing plate respectively are provided with a corresponding groove, and outer copper ring and this corresponding groove are the driving fit setting.
3, magnetic powder brake according to claim 1 is characterized in that: be placed on outer surface outside this and form plurality of radiating fins.
4, according to claim 1 or 3 described magnetic powder brakes, it is characterized in that: the inner face center of enclosing cover is provided with a stator slot and a dustproof groove, be provided with a stator in this stator slot, dustproof groove is provided with a dustproof sheet, and this dustproof sheet is the structure of covering stator, stator and dustproof sheet pass in non-magnetic rotating shaft system, and this non-magnetic rotating shaft is protruding with a protruding key in the position of enclosing cover inside, and stator, dustproof sheet and centre of rotor and non-magnetic rotating shaft break-through position respectively are provided with a location notch and the chimeric location of protruding key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201459861U CN201307821Y (en) | 2008-10-24 | 2008-10-24 | Magnetic powder arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201459861U CN201307821Y (en) | 2008-10-24 | 2008-10-24 | Magnetic powder arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307821Y true CN201307821Y (en) | 2009-09-09 |
Family
ID=41100287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201459861U Expired - Fee Related CN201307821Y (en) | 2008-10-24 | 2008-10-24 | Magnetic powder arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307821Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948615A (en) * | 2015-06-12 | 2015-09-30 | 秦健 | Vertical type magnetic powder brake |
| CN105020304A (en) * | 2015-06-04 | 2015-11-04 | 侯如升 | Sawtooth control head of hollow type magnetic powder brake |
| CN107345546A (en) * | 2017-08-30 | 2017-11-14 | 海安县兰菱机电设备有限公司 | Wind-cooling type magnetic powder brake |
| CN114922921A (en) * | 2022-05-17 | 2022-08-19 | 南通市航天机电自动控制有限公司 | Magnetic powder brake with temperature protection mechanism |
-
2008
- 2008-10-24 CN CNU2008201459861U patent/CN201307821Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020304A (en) * | 2015-06-04 | 2015-11-04 | 侯如升 | Sawtooth control head of hollow type magnetic powder brake |
| CN104948615A (en) * | 2015-06-12 | 2015-09-30 | 秦健 | Vertical type magnetic powder brake |
| CN107345546A (en) * | 2017-08-30 | 2017-11-14 | 海安县兰菱机电设备有限公司 | Wind-cooling type magnetic powder brake |
| CN114922921A (en) * | 2022-05-17 | 2022-08-19 | 南通市航天机电自动控制有限公司 | Magnetic powder brake with temperature protection mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8193670B2 (en) | Magnetorheological actuators | |
| US10630157B2 (en) | Axial flux machine | |
| EP0223612B1 (en) | Electrical machine rotor | |
| KR101654392B1 (en) | Electric machine - modular | |
| CN1848612B (en) | Motor | |
| US9124156B2 (en) | Rotor for electric rotating machine | |
| CN107112872A (en) | Motor with SMC cores | |
| KR20150054895A (en) | Variable reluctance resolver having integral electromagnetic interference shield and rotary electric machine having same | |
| CN201307821Y (en) | Magnetic powder arrester | |
| CN211790971U (en) | Permanent magnet module for a permanent magnet motor, permanent magnet motor and wind turbine | |
| CA2909181A1 (en) | Axial flux machine having a lightweight design | |
| CN105703508A (en) | Disk type motor rotor with built-in magnetic steel | |
| CN104600950A (en) | Radial flux hybrid stepping motor | |
| CN110048575A (en) | A kind of composite construction p-m rotor suitable for high-speed permanent magnetic synchronous motor | |
| KR101991013B1 (en) | Magnetorheololgical fluid brake device with self-generating function | |
| CN102185392A (en) | Magnetism-gathering disc type permanent magnet torque motor with fluid cooling function | |
| CN106374707A (en) | Motor | |
| US20110042961A1 (en) | Device for generating power | |
| CN104753291A (en) | Radio and axial hybrid magnetic circuit permanent-magnet synchronous-side rotor motor | |
| RU2541356C1 (en) | Electric machine | |
| GB2234400A (en) | Heat sink for winding heads of an electric machine for a motor vehicle | |
| CN218920069U (en) | Motor structure | |
| JP2013197275A (en) | Exciter of rotary electric machine | |
| KR101697296B1 (en) | BLDC Servo Motor | |
| JP2010206952A (en) | Motor and controller thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |