CN202082318U - Single disc-type magneto rheological flexible brake - Google Patents
Single disc-type magneto rheological flexible brake Download PDFInfo
- Publication number
- CN202082318U CN202082318U CN2011201058425U CN201120105842U CN202082318U CN 202082318 U CN202082318 U CN 202082318U CN 2011201058425 U CN2011201058425 U CN 2011201058425U CN 201120105842 U CN201120105842 U CN 201120105842U CN 202082318 U CN202082318 U CN 202082318U
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- disc
- axle sleeve
- supporting disk
- end plate
- driving shaft
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Abstract
The utility model discloses a single disc-type magneto rheological flexible brake, which comprises a drive shaft (8), an excitation coil (2), a magnetic isolation disc (6), a sealing shaft sleeve (7), an end disc (10) and a support disc (15), wherein the support disc (15) and the end disc (10) are connected and fixed through a steel cylinder (1) so as to form an internal cavity; the excitation coil (2) and a sealing ring (4) are arranged at the part connected with the steel cylinder (1) inside the cavity; the sealing ring (4) is connected between the support disc (15) and the end disc (10) through connection screws (3) so as to form a whole body, and big seal rings (14) are arranged between the sealing ring (4), the support disc (15) and the end disc (10); and a driving disc (5) and a driving disc check ring(9) are installed on the drive shaft (8) in the cavity, and the cavity is filled with magneto rheological fluid. The brake controls the current in the excitation coil to regulate the magnetic induction density between the discs so as to change the magnitude of braking torque, as a result, the controllable flexible braking can be achieved. The single disc-type magneto rheological flexible brake with simple structure is convenient to disassemble and assemble, achieves high single disc braking torque, is smooth to brake, and is convenient to operate.
Description
Technical field
The present invention relates to a kind of break, refer in particular to a kind of single-deck formula magnetic rheologic flexible break, be applicable to the controlled flexible braking process of machinery and vehicle.
Background technique
Magnetic flow liquid is a kind of novel intelligent material with development prospect and engineering using value, mainly reaching the additive that is coated on particle surface in order to prevent particles settling by soft magnetic particles, base load liquid forms, when no externally-applied magnetic field, show as free-flowing; Adding under the action of a magnetic field, rheological properties generation rapid change becomes semisolid, has continuous, reversible, rapid and is easy to advantages such as control, therefore, has obtained application more and more widely in association areas such as machineries.
The magnetic rheological brake that with the magnetic flow liquid is working medium has advantages such as volume is little, power consumption is low, braking moment is big, dynamic response is fast, is with a wide range of applications.So far, existing relevant patent reports that to it CN1779289A discloses a kind of rotary magnetic rheological fluid brake; CN101225859A discloses a kind of magnetic rheological brake, and this break adopts permanent magnet as magnetic source; CN1482376A discloses a kind of rotary magnetic rheological liquid break of structurally variable, and CN201013802Y discloses a kind of hot tube magneto-rheologic liquid brake.But there is complex structure in above-mentioned magnetic rheological brake, assembling is loaded down with trivial details, dismounting is inconvenient, and shortcoming such as the single-deck braking moment is less.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes in the prior art, provide a kind of simple in structure, braking steadily, big, the easy to operate single-deck formula magnetic rheologic flexible break of single-deck braking moment.
The technical solution of the utility model: a kind of single-deck formula magnetic rheologic flexible break comprises driving shaft, field coil, every disk, sealing axle sleeve, end plate and supporting disk; This driving shaft is installed on the supporting disk by bearing, axle sleeve and sealing axle sleeve; Supporting disk and end plate are connected and fixed by steel cylinder, form internal cavities; Be provided with field coil and seal ring with the steel cylinder connecting place in this cavity, be connected as a single entity by attachment screw between seal ring and supporting disk and the end plate, be provided with big sealing ring therebetween; Driving disc and driving disc back-up ring are installed on the driving shaft in this cavity, and are full of magnetic flow liquid; The supporting disk lower end is provided with the taphole that communicates with internal cavities, and end plate is provided with wire guide and liquid filling hole, and wire guide is located at and the field coil opposite position; Be separately installed with fluid injection screw and tapping screw on liquid filling hole and the taphole, end plate and driving shaft opposite position are equipped with every disk.
Sealing axle sleeve of the present utility model and driving disc are installed on the driving shaft by screw thread, are provided with small sealing ring between sealing axle sleeve and the supporting disk; The bearing inboard is provided with the end ring of fixing its position, has vent on the axle sleeve.
The beneficial effects of the utility model: be full of magnetic flow liquid between driving disc and end plate and the supporting disk, form two-layer magnetic flow liquid film, be equivalent to two groups of rotating disks, therefore, though be single-deck, braking moment is bigger; Field coil is located between supporting disk and the end plate, all maintains static, and therefore, does not need equipment such as brush, can be used on the occasion that spark is had strict demand; Adopt direct insertion field coil, mounting or dismounting are convenient, and the coil heat radiation is easy, and coil can be many around the number of turn; Adopt single-deck formula structure, magnetic flow liquid is sealed between supporting disk, driving disc and the end plate, and compact structure is revealed less.Therefore, simple in structure, the easy accessibility of the present invention, the single-deck braking moment is big, braking is steady, easy to operate, have practicability widely.
Description of drawings
Fig. 1 is a single-deck formula magnetic rheologic flexible break erection drawing of the present invention;
Fig. 2 is a driving disc schematic representation of the present invention;
Fig. 3 is axle sleeve structure figure of the present invention.
Wherein: 1. steel cylinder, 2. field coil, 3. attachment screw, 4. seal ring, 5. driving disc, 6. every disk, 7. sealing axle sleeve, 8. driving shaft, 9. driving disc back-up ring, 10. end plate, 11. fluid injection screws, 12. liquid filling holes, 13. wire guide, 14. big sealing rings, 15. supporting disks, 16. small sealing ring, 17. axle sleeves, 18. bearings, 19. end ring, 20. tapping screws, 21. tapholes.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Fig. 1 is a single-deck formula magnetic rheologic flexible break erection drawing of the present invention.This break comprises driving shaft 8, field coil 2, every disk 6, sealing axle sleeve 7, end plate 10 and supporting disk 15; Driving shaft 8 is installed on the supporting disk 15 by bearing 18, axle sleeve 17 and sealing axle sleeve 7; Supporting disk 15 and end plate 10 are connected and fixed by steel cylinder 1, form internal cavities; Be provided with field coil 2 and seal ring 4 with steel cylinder 1 connecting place in this cavity, be connected as a single entity by attachment screw 3 between seal ring 4 and supporting disk 15 and the end plate 10, be provided with big sealing ring 14 therebetween; Driving disc 5 and driving disc back-up ring 9 are installed on the driving shaft 8 in this cavity, and are full of magnetic flow liquid; Supporting disk 15 lower ends are provided with the taphole identical with internal cavities 21, and end plate 10 is provided with wire guide 13 and liquid filling hole 12, and wire guide 13 is located at and field coil 2 opposite positions; Be separately installed with fluid injection screw 11 and tapping screw 20 on liquid filling hole 12 and the taphole 21, end plate 10 is equipped with every disk 6 with driving shaft 8 opposite positions.
Sealing axle sleeve and driving disc 5 are installed on the driving shaft 8 by screw thread, are provided with small sealing ring 16 between sealing axle sleeve 7 and the supporting disk 15; Bearing 18 inboards are provided with the end ring 19 of fixing its position.As shown in Figure 3, have vent a on its axle sleeve 17.Driving disc 5 is circular, and as shown in Figure 2, its core is the tapped hole that is used for fixing on driving shaft 8.
The braking principle of this break: be full of magnetic flow liquid between the driving disc 5 of single-deck formula magnetic rheologic flexible break and end plate 10 and the supporting disk 15, form two-layer magnetic flow liquid film, in field coil 2 under the effect of electric current, between driving disc 5 and end plate 10 and supporting disk 15, produce certain magnetic induction intensity, cause the magnetic-particle in the magnetic flow liquid to be arranged in chain structure along magnetic line of force direction, when driving disc 5 rotations, chain structure is subjected to the shear action of magnetic flow liquid film, transmission of power is given and fixing end plate 10 and the supporting disk 15 in ground, thereby realize braking.Because magnetic induction intensity is closely related between the shearing force of magnetic flow liquid film and dish, and the big I of magnetic induction intensity obtains by the electric current of regulating in the field coil 2, therefore, the size of control electric current is the braking moment of this break of may command, thereby realizes its controlled flexible braking.
Claims (6)
1. single-deck formula magnetic rheologic flexible break comprises driving shaft (8), field coil (2), every disk (6), sealing axle sleeve (7), end plate (10) and supporting disk (15); It is characterized in that: described driving shaft (8) is installed on the supporting disk (15) by bearing (18), axle sleeve (17) and sealing axle sleeve (7); Described supporting disk (15) and end plate (10) are connected and fixed by steel cylinder (1), form internal cavities; Be provided with field coil (2) and seal ring (4) with steel cylinder (1) connecting place in this cavity, be connected as a single entity by attachment screw (3) between described seal ring (4) and supporting disk (15) and the end plate (10), be provided with big sealing ring (14) therebetween; Driving disc (5) and driving disc back-up ring (9) are installed on the driving shaft in this cavity (8), and are full of magnetic flow liquid; Described supporting disk (15) lower end is provided with the taphole (21) that communicates with internal cavities, and described end plate (10) is provided with wire guide (13) and liquid filling hole (12), and wire guide (13) is located at and field coil (2) opposite position; Be separately installed with fluid injection screw (11) and tapping screw (20) on described liquid filling hole (12) and the taphole (21), described end plate (10) is equipped with every disk (6) with driving shaft (8) opposite position.
2. a kind of single-deck formula magnetic rheologic flexible break according to claim 1, it is characterized in that: described sealing axle sleeve (7) and driving disc (5) are installed on the driving shaft (8) by screw thread.
3. a kind of single-deck formula magnetic rheologic flexible break according to claim 1 and 2 is characterized in that: be provided with small sealing ring (16) between described sealing axle sleeve (7) and the supporting disk (15).
4. a kind of single-deck formula magnetic rheologic flexible break according to claim 1 and 2, it is characterized in that: described axle sleeve has vent on (17).
5. a kind of single-deck formula magnetic rheologic flexible break according to claim 3, it is characterized in that: described axle sleeve has vent on (17).
6. a kind of single-deck formula magnetic rheologic flexible break according to claim 1, it is characterized in that: described bearing (18) inboard is provided with the end ring (19) of fixing its position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201058425U CN202082318U (en) | 2011-04-12 | 2011-04-12 | Single disc-type magneto rheological flexible brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201058425U CN202082318U (en) | 2011-04-12 | 2011-04-12 | Single disc-type magneto rheological flexible brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082318U true CN202082318U (en) | 2011-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201058425U Expired - Fee Related CN202082318U (en) | 2011-04-12 | 2011-04-12 | Single disc-type magneto rheological flexible brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082318U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661245A (en) * | 2012-05-15 | 2012-09-12 | 中国科学院宁波材料技术与工程研究所 | Wind power generator set and yawing-braking magnetic thixotropic flexible braking device of wind power generator set |
| CN102829104A (en) * | 2012-08-01 | 2012-12-19 | 林智勇 | Magnetic fluid drum brake |
| CN103057427A (en) * | 2013-01-08 | 2013-04-24 | 清华大学 | Magneto-rheological hydraulic brake executing device for electric vehicles |
| CN103465789A (en) * | 2013-09-16 | 2013-12-25 | 浙江师范大学 | Buffer brake |
| CN106015397A (en) * | 2015-03-31 | 2016-10-12 | 现代自动车株式会社 | Secondary brake for commercial vehicle using mr fluid |
| CN106286642A (en) * | 2015-06-08 | 2017-01-04 | 东北大学 | Clearance adjustable type magnetic current changing brake device |
| CN106763486A (en) * | 2017-01-04 | 2017-05-31 | 四川大学 | New Multiple level magnetic flow liquid double mass flywheel |
| CN109578205A (en) * | 2018-11-27 | 2019-04-05 | 山东科技大学 | A kind of intelligent Quick brake system of wind energy conversion system |
-
2011
- 2011-04-12 CN CN2011201058425U patent/CN202082318U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661245B (en) * | 2012-05-15 | 2013-12-25 | 中国科学院宁波材料技术与工程研究所 | Wind power generator set and yawing-braking magnetic thixotropic flexible braking device of wind power generator set |
| CN102661245A (en) * | 2012-05-15 | 2012-09-12 | 中国科学院宁波材料技术与工程研究所 | Wind power generator set and yawing-braking magnetic thixotropic flexible braking device of wind power generator set |
| CN102829104A (en) * | 2012-08-01 | 2012-12-19 | 林智勇 | Magnetic fluid drum brake |
| CN103057427A (en) * | 2013-01-08 | 2013-04-24 | 清华大学 | Magneto-rheological hydraulic brake executing device for electric vehicles |
| CN103465789B (en) * | 2013-09-16 | 2016-03-02 | 浙江师范大学 | A kind of backward-pressure |
| CN105015348A (en) * | 2013-09-16 | 2015-11-04 | 浙江师范大学 | Buffer brake |
| CN103465789A (en) * | 2013-09-16 | 2013-12-25 | 浙江师范大学 | Buffer brake |
| CN105015348B (en) * | 2013-09-16 | 2017-08-22 | 浙江师范大学 | A kind of backward-pressure |
| CN106015397A (en) * | 2015-03-31 | 2016-10-12 | 现代自动车株式会社 | Secondary brake for commercial vehicle using mr fluid |
| CN106015397B (en) * | 2015-03-31 | 2019-08-16 | 现代自动车株式会社 | Use the auxiliary brake for commerial vehicle of MR fluid |
| CN106286642A (en) * | 2015-06-08 | 2017-01-04 | 东北大学 | Clearance adjustable type magnetic current changing brake device |
| CN106286642B (en) * | 2015-06-08 | 2018-10-23 | 东北大学 | Clearance adjustable type magnetic current changing brake device |
| CN106763486A (en) * | 2017-01-04 | 2017-05-31 | 四川大学 | New Multiple level magnetic flow liquid double mass flywheel |
| CN109578205A (en) * | 2018-11-27 | 2019-04-05 | 山东科技大学 | A kind of intelligent Quick brake system of wind energy conversion system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20160412 |