CN117605776B - Stator built-in magneto-rheological brake - Google Patents
Stator built-in magneto-rheological brake Download PDFInfo
- Publication number
- CN117605776B CN117605776B CN202410091135.7A CN202410091135A CN117605776B CN 117605776 B CN117605776 B CN 117605776B CN 202410091135 A CN202410091135 A CN 202410091135A CN 117605776 B CN117605776 B CN 117605776B
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- 230000005389 magnetism Effects 0.000 claims abstract description 54
- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 14
- 230000005284 excitation Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/002—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a magneto-rheological brake, in particular to a magneto-rheological brake with a built-in stator, which comprises a brake shell and a stator, wherein the brake shell comprises a left end cover and a right end cover, a through hole is formed in the center of the left end cover, a rotating shaft is connected to the left end cover and penetrates through the through hole, a cylinder barrel is connected between the left end cover and the right end cover, and a first magnetic conduction piece is connected between the left end cover and the right end cover. The magnetic field generated by the exciting coil is bent through the combination of the magnetism isolating ring I, the magnetism isolating ring II, the magnetism isolating ring III and the magnetism isolating disc, so that magnetic force lines vertically pass through the radial disc type first gap, the axial ring type second gap and the radial disc type third gap, magnetorheological fluid in the gaps generates a magnetorheological effect, the braking torque and the working performance of the brake are improved, and the defect that the axial gap area of the traditional disc type magnetorheological brake cannot be fully utilized is effectively solved.
Description
Technical Field
The invention relates to a magneto-rheological brake, in particular to a magneto-rheological brake with a built-in stator.
Background
Magnetorheological fluid is an intelligent fluid material, which consists of high-permeability tiny soft magnetic particles, non-magnetic permeability liquid and additives, wherein the viscosity coefficient and the shearing coefficient of the liquid can be controlled by applying a magnetic field. The magneto-rheological effect that it has is: under the condition of zero magnetic field, the magnetorheological fluid is in a Newtonian fluid state, but under the action of an externally applied magnetic field, the shear yield stress of the magnetorheological fluid is increased, the magnetorheological fluid is in a Bingham fluid state, and after the magnetic field is removed, the magnetorheological fluid is restored to an initial state in milliseconds. The magnetorheological fluid has good controllability and reversibility, and has wide application space in the aspects of power transmission, vibration reduction, soft start, stepless speed change and the like.
The magnetorheological brake is an intelligent brake with adjustable braking torque, the braking torque can be realized by controlling exciting current, and the magnetorheological brake can be divided into a disc type magnetorheological brake and a cylinder type magnetorheological brake according to an effective working surface form, and the disc type magnetorheological brake has the advantages of small moment of inertia, high control precision, high response speed and the like; the cylinder type magneto-rheological brake has the advantages of larger relative braking moment, uniform magneto-rheological fluid distribution and the like. However, disc-type magneto-rheological brakes and cylindrical magneto-rheological brakes have the defect of huge structural size in the occasion of needing large braking torque. Meanwhile, the damping gaps of the two magnetorheological brakes are single in form, and cannot be fully and effectively utilized, so that the space utilization rate is low.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a stator-embedded magnetorheological brake capable of outputting a large torque without increasing the volume of the brake.
The utility model provides a built-in magneto-rheological brake of stator, includes brake housing and stator, brake housing includes left end cover and right-hand member lid, the through-hole has been seted up to left end cover central point put, be connected with the pivot on the left end cover, the pivot runs through the through-hole, the left end cover with be connected with the cylinder between the right-hand member lid, the left end cover with be connected with first magnetic conduction spare between the right-hand member lid, first magnetic conduction spare with the cylinder laminating, the right-hand member lid is kept away from one side of left end cover is provided with seal assembly, the stator is located between the left end cover with the right-hand member lid, the pivot runs through the stator, the pivot with install first bearing between the stator, the stator respectively with the left end cover right-hand member lid with form damping clearance between the first magnetic conduction spare, damping clearance intussuseption is filled with magneto-rheological fluid.
Further, the stator comprises a magnetic conducting disc and a magnetic generating assembly arranged on the magnetic conducting disc, and a second magnetic conducting piece is arranged on the magnetic generating assembly.
Further, the magnetism generating assembly comprises a winding frame arranged on the magnetic conducting disc and an annular groove formed in the winding frame, wherein exciting coils are uniformly wound on the annular groove, a first small hole is formed in the winding frame, a second small hole is formed in the magnetic conducting disc, the first small hole is communicated with the second small hole, and one end of each exciting coil is led out through the first small hole and the second small hole.
Further, the second magnetic conduction piece comprises a magnetic conduction ring I and a magnetic conduction ring III which are arranged on the winding frame, a magnetism isolating ring II is connected between the magnetic conduction ring I and the magnetic conduction ring III, a second groove and a third groove are formed in the magnetism isolating ring II, a part of the magnetic conduction ring I is located in the second groove, and a part of the magnetic conduction ring III is located in the third groove.
Further, the first magnetic conduction piece is including setting up separate magnetic ring I and setting up on the left end lid separate magnetic ring III on the right end lid, separate magnetic ring I and be close to one side of right end lid has seted up first recess, separate magnetic ring III and be close to one side of left end lid has seted up the fourth recess, separate magnetic ring I with separate and be provided with between the magnetic ring III and lead magnetic ring II, it is close to separate magnetic ring II separate a part of magnetic ring I and be located in the first recess, it is close to lead magnetic ring II separate a part of magnetic ring III and be located in the fourth recess, separate magnetic ring I separate magnetic ring II with separate magnetic ring III deviate from one side of stator with the cylinder laminating.
Further, a first step is formed on the left end cover, a second step is formed on the right end cover, the magnetism isolating ring I is attached to the first step, and the magnetism isolating ring III is attached to the second step.
Further, the damping gap comprises a first gap formed between the magnetic conducting ring I, the winding frame and the magnetic conducting disc and the left end cover, a second gap formed between the magnetic conducting ring I, the magnetic isolating ring II and the magnetic conducting ring III and the magnetic isolating ring I, the magnetic conducting ring II and the magnetic isolating ring III, and a third gap formed between the magnetic conducting ring III, the winding frame and the magnetic conducting disc and the right end cover, wherein the first gap, the second gap and the third gap are connected in series.
Further, the sealing assembly comprises a sealing cover arranged on the right end cover and a second bearing arranged on the sealing cover, a stepped circular through hole is formed in the sealing cover, the second bearing is located at the stepped circular through hole, the inner ring of the second bearing is connected with the stator, and the inner surface of the sealing cover is sealed with the stator through a sealing ring.
Further, the left end cover is fixedly connected with a rotating shaft through a screw.
Further, a cylinder barrel is connected between the left end cover and the right end cover through screws.
According to the invention, through the combination of the magnetism isolating ring I, the magnetism isolating ring II, the magnetism isolating ring III and the magnetism isolating disc, magnetic force lines vertically pass through a radial disc type first gap, an axial ring type second gap and a radial disc type third gap by the magnetic field generated by the excitation coil, so that magnetorheological fluid in the gaps generates a magnetorheological effect, the braking torque and the working performance of a brake are improved, the problem that the axial gap area of the traditional disc type magnetorheological brake cannot be fully and effectively utilized is solved, and the space utilization rate of the magnetorheological brake is further improved by arranging the excitation coil in a stator formed by the magnetism isolating ring I, the magnetism isolating ring II, the magnetism isolating ring III, a winding frame and the magnetism isolating disc which are sequentially combined. Meanwhile, the magnetic coil is arranged on the inner stator, so that the magneto-rheological brake has the advantages of high space utilization rate, compact structure, large braking torque, convenience in disassembly and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structures of the first and second apertures of the present invention.
Fig. 3 is a schematic structural diagram of the first gap, the second gap, the third gap and the distribution of magnetic lines of force according to the present invention.
Fig. 4 is a schematic diagram of the structures of the first groove, the second groove, the third groove and the fourth groove according to the present invention.
Description of main reference numerals:
the magnetic shielding device comprises a left end cover, a 2-magnetism isolating ring I, a 21-first groove, a 3-magnetic conducting ring I, a 4-cylinder barrel, a 5-magnetism isolating ring II, a 51-second groove, a 52-third groove, a 6-magnetic conducting ring II, a 7-magnetic conducting ring III, an 8-magnetism isolating ring III, a 81-fourth groove, a 9-rotating shaft, a 10-winding frame, a 11-exciting coil, a 12-magnetic conducting disk, a 13-right end cover, a 14-sealing cover, a 15-first gap, a 16-second gap, a 17-third gap, a 18-first small hole, a 19-second small hole, a 101-first step and a 102-second step.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The magneto-rheological brake with the built-in stator comprises a left end cover 1, a magnetism isolating ring I2, a magnetism conducting ring I3, a cylinder barrel 4, a magnetism isolating ring II 5, a magnetism conducting ring II 6, a magnetism conducting ring III 7, a magnetism isolating ring III 8, a rotating shaft 9, a winding frame 10, an excitation coil 11, a magnetism conducting disc 12, a right end cover 13 and a sealing cover 14, as shown in fig. 1-4.
Wherein, a through hole is arranged in the middle of the left end cover 1, and the inner surface of the left end cover 1 is in clearance fit with the rotating shaft 9; the right end face of the left end cover 1 is fixedly connected with the rotating shaft 9 through screws; the circumferential outer surface of the left end cover 1 is in interference fit with the circumferential inner surface of the cylinder barrel 4 and is fixedly connected through screws; the left end face of the magnetism isolating ring I2 is tightly attached to the first step 101 of the right end face of the left end cover 1; the circumferential outer surface of the magnetism isolating ring I2 is in interference fit with the circumferential inner surface of the cylinder barrel 4; the first groove 21 on the right end surface of the magnetism isolating ring I2 is in interference fit with the protruding part on the left end surface of the magnetism conducting ring II 6; the circumferential outer surface of the magnetic ring II 6 is in interference fit with the circumferential inner surface of the cylinder barrel 4; the protruding part of the right end face of the magnetic conduction ring II 6 is in interference fit with the fourth groove 81 of the left end face of the magnetic isolation ring III 8; the circumferential outer surface of the magnetism isolating ring III 8 is in interference fit with the circumferential inner surface of the cylinder barrel 4; the right end face of the magnetism isolating ring III 8 is tightly attached to the second step 102 of the right end cover 13; the circumferential outer surface of the right end cover 13 is in interference fit with the circumferential inner surface of the cylinder barrel 4 and is fixedly connected through screws;
the circumferential inner surface of the right end cover 13 is in clearance fit with the circumferential outer surface of the magnetic conduction disc 12 and is sealed through an oil seal; the right end face of the right end cover 13 is tightly attached to the left end face of the sealing cover 14 and is fixedly connected through screws; a stepped circular through hole is formed in the middle of the sealing cover 14, and a second bearing is arranged between the circumferential inner surface of the stepped circular through hole and the circumferential outer surface of the right end of the magnetic conduction disc 12 so as to realize mutual rotation; the circumferential inner surface of the right end of the sealing cover is in clearance fit with the outer surface of the right end of the magnetic conduction disc 12 and is sealed by a sealing ring; the left step surface of the magnetic conduction disc 12 is in clearance fit with the right step surface of the rotating shaft 9; the inner circumferential surface of the magnetic conduction disc 12 is in clearance fit with the outer circumferential surface of the rotating shaft 9 and is sealed through an oil seal, and a first bearing is arranged between the inner circumferential surface of the magnetic conduction disc and the outer circumferential surface of the rotating shaft to realize mutual rotation;
the circumference outer surface of the magnetic conduction disc 12 is provided with a winding frame 10 and is in interference fit with the circumference inner surface of the winding frame 10; an annular groove is processed on the circumferential outer surface of the winding frame 10, the exciting coil 11 is wound in the annular groove, and one end of the exciting coil 11 is led out from a first small hole 18 on the circumferential surface of the winding frame 10 and a second small hole 19 of the magnetic conduction disc 12; the right annular protruding part of the magnetic conduction ring I3 is in interference fit with the left annular second groove 51 of the magnetism isolating ring II 5; the right annular third groove 52 of the magnetism isolating ring II 5 is in interference fit with the left annular protruding part of the magnetism conducting ring III 7; the circumferential inner surfaces of the magnetic conduction ring I3, the magnetism isolation ring II 5 and the magnetic conduction ring III 7 are in interference fit with the circumferential outer surface of the winding frame 10, and the two ends are fixedly connected through screws;
a radial disc type first gap 15 is formed between the right end face of the left end cover 1 and the left end face of the magnetic conducting ring I3, the winding frame 10 and the magnetic conducting disc 12 which are sequentially combined; an axial circular ring type second gap 16 is formed between the circumferential inner surfaces of the magnetic isolation ring I2, the magnetic isolation ring II 6 and the magnetic isolation ring III 8 which are sequentially combined and the circumferential outer surfaces of the magnetic isolation ring I3, the magnetic isolation ring and the magnetic isolation ring III 7 which are sequentially combined; a radial disc type third gap 17 is formed between the left end face of the right end cover 13 and the sequentially combined magnetic ring III 7, the winding frame 10 and the right end face of the magnetic disc 12; the radial disc type first gap 15, the axial ring type second gap 16 and the radial disc type third gap 17 are connected in series to form a damping gap of the magneto-rheological brake; magnetorheological fluid is filled in the damping gap; after current is introduced into the exciting coil 11, a magnetic field is generated, magnetic force lines vertically pass through a damping gap formed by connecting a radial disc type first gap 15, an axial ring type second gap 16 and a radial disc type third gap 17 in series, so that magnetorheological fluid in the damping gap generates a magnetorheological effect, and a brake shell formed by a left end cover 1, a magnetism isolating ring I2, a cylinder 4, a magnetism conducting ring II 6, a magnetism isolating ring III 8, a right end cover 13 and a sealing cover 14 which are sequentially combined is prevented from rotating, so that a magnetorheological brake generates torque; the output torque of the magnetorheological brake can be controlled by adjusting the input current of the exciting coil 11; the left end cover 1, the magnetic conduction ring I3, the magnetic conduction ring II 6, the magnetic conduction ring III 7, the magnetic conduction disc 12 and the right end cover 13 are made of magnetic conduction materials; the magnetic isolation ring I2, the cylinder barrel 4, the magnetic isolation ring II 5, the magnetic isolation ring III 8, the rotating shaft 9, the winding frame 10 and the sealing cover 14 are made of non-magnetic conductive materials.
The working principle of the magneto-rheological brake with the built-in stator is as follows: the rotating shaft 9 drives the left end cover 1 to rotate, the left end cover 1 drives the cylinder 4 to rotate, the cylinder 4 drives the right end cover 13 to rotate, the magnetism isolating ring I2, the magnetism conducting ring II 6 and the magnetism isolating ring III 8 are driven to rotate through the left end cover 1, the right end cover 13 and the cylinder 4, the right end cover 13 drives the sealing cover 14 to rotate when rotating, the rotating shaft 9 can drive the left end cover 1, the cylinder 4, the right end cover 13, the magnetism isolating ring I2, the magnetism conducting ring II 6, the magnetism isolating ring III 8 and the sealing cover 14 to synchronously rotate when rotating, when the rotating shaft 9 is required to be blocked, the rotating left end cover 1, the cylinder 4, the right end cover 13, the magnetism isolating ring I2, the magnetism conducting ring II 6, the magnetism isolating ring III 8 and the sealing cover 14 are driven by the rotating shaft, an operator can enable one end led out by the exciting coil 11 to be connected to a power supply, the exciting coil 11 is electrified, the exciting coil 11 generates a magnetic field after being electrified, the generated magnetic field passes through the magnetic conducting disc 12, the left end cover 1, the magnetic conducting ring I3, the magnetic conducting ring II 6, the magnetic conducting ring III 7 and the right end cover 13 and vertically passes through a damping gap formed by the radial disc type first gap 15, the axial ring type second gap 16 and the radial disc type third gap 17 in series, so that magnetorheological fluid in the damping gap generates a magnetorheological effect, the magnetorheological fluid in the damping gap can prevent a brake shell which is formed by sequentially combining the left end cover 1, the magnetic conducting ring II 6 and the right end cover 13 from rotating, thereby preventing the rotating shaft 9 from rotating to achieve the braking effect, and an operator can adjust the input current of the exciting coil 11 to control the magnitude of the magnetic field, thereby controlling the output torque of the magnetorheological brake.
In summary, the magnetic field generated by the exciting coil 11 passes through the magnetic conductive material through the combination of the magnetism isolating ring I2, the magnetic conductive ring I3, the magnetism isolating ring II 5, the magnetic conductive ring II 6, the magnetic conductive ring III 7, the magnetism isolating ring III 8 and the magnetic conductive disc 12, so that the magneto-rheological effect is generated in the radial disc type first gap 15, the axial ring type second gap 16 and the radial disc type third gap 17, the braking torque and the working performance of the magnetic rheological brake are improved, the problem that the axial gap area of the traditional disc type magneto-rheological brake cannot be fully and effectively utilized is solved, and the length of a braking arm can be increased under the condition that the external shape and the structure size of the brake are not changed by installing the exciting coil 11 on the stator formed by the magnetism isolating ring I3, the magnetism isolating ring II 5, the magnetic conductive ring III 7, the winding frame 10 and the magnetic conductive disc 12 which are sequentially combined, so that the space utilization rate of the magneto-rheological brake is further improved. Meanwhile, the magnetic coil is arranged on the inner stator, so that the magnetorheological brake has the advantages of high space utilization rate, compact structure, large braking torque, convenience in disassembly and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The utility model provides a stator built-in magneto-rheological brake, its characterized in that includes brake housing and stator, brake housing includes left end cover and right-hand member lid, the through-hole has been seted up to left end cover central point put, be connected with the pivot on the left end cover, the pivot runs through the through-hole, be connected with the cylinder between left end cover and the right-hand member lid, be connected with first magnetic conduction spare between left end cover and the right-hand member lid, first magnetic conduction spare with the cylinder laminating, one side that the right-hand member lid kept away from the left end cover is provided with seal assembly, the stator is located between left end cover and the right-hand member lid, the pivot runs through the stator, install first bearing between pivot and the stator, the stator respectively with the left end cover right-hand member lid with form damping clearance between the first magnetic conduction spare, the damping clearance intussuseption is filled with magneto-rheological fluid, the stator comprises a magnetic conducting disc and a magnetic generating component arranged on the magnetic conducting disc, a second magnetic conducting piece is arranged on the magnetic generating component, the magnetic generating component comprises a winding frame arranged on the magnetic conducting disc and an annular groove formed in the winding frame, an excitation coil is uniformly wound on the annular groove, a first small hole is formed in the winding frame, a second small hole is formed in the magnetic conducting disc, the first small hole is communicated with the second small hole, one end of the excitation coil is led out through the first small hole and the second small hole, the second magnetic conducting piece comprises a magnetic conducting ring I and a magnetic conducting ring III which are arranged on the winding frame, a magnetism isolating ring II is connected between the magnetic conducting ring I and the magnetic conducting ring III, a second groove and a third groove are formed in the magnetic isolating ring II, a part of the magnetic conducting ring I is positioned in the second groove, the magnetic conduction ring III is partly located in the third groove, the first magnetic conduction piece is including setting up separate magnetic ring I on the left end cover and setting up separate magnetic ring III on the right end cover, separate magnetic ring I and be close to one side of right end cover has seted up first recess, separate magnetic ring III and be close to one side of left end cover has seted up the fourth groove, separate magnetic ring I with separate and be provided with between the magnetic ring III and separate magnetic ring II, it is located to separate magnetic ring II to be close to separate a part of magnetic ring I in the first groove, it is located to separate a part of magnetic ring II separate magnetic ring III in the fourth groove, separate magnetic ring I separate magnetic ring II with separate magnetic ring III deviate from one side of stator with the cylinder laminating.
2. The magnetorheological brake with the built-in stator according to claim 1, wherein a first step is formed on the left end cover, a second step is formed on the right end cover, the magnetism isolating ring I is attached to the first step, and the magnetism isolating ring III is attached to the second step.
3. The magneto-rheological brake with built-in stator according to claim 1, wherein the damping gap comprises a first gap formed between the magnetic ring i, the winding frame, the magnetic disc and the left end cover, a second gap formed between the magnetic ring i, the magnetic isolation ring ii and the magnetic ring iii and the magnetic isolation ring i, the magnetic ring ii and the magnetic isolation ring iii, and a third gap formed between the magnetic ring iii, the winding frame, the magnetic disc and the right end cover, wherein the first gap, the second gap and the third gap are connected in series.
4. The magnetorheological brake with a built-in stator according to claim 1, wherein the sealing assembly comprises a sealing cover arranged on the right end cover and a second bearing arranged on the sealing cover, a stepped circular through hole is formed in the sealing cover, the second bearing is positioned at the stepped circular through hole, the inner ring of the second bearing is connected with the stator, and the inner surface of the sealing cover is sealed with the stator through a sealing ring.
5. The magneto-rheological brake with built-in stator of claim 1, wherein the left end cover is fixedly connected with a rotating shaft through a screw.
6. The magneto-rheological brake with built-in stator of claim 1, wherein a cylinder is connected between the left end cover and the right end cover by a screw.
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CN202410091135.7A CN117605776B (en) | 2024-01-23 | 2024-01-23 | Stator built-in magneto-rheological brake |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5460585A (en) * | 1994-03-11 | 1995-10-24 | B.G.M. Engineering, Inc. | Muscle training and physical rehabilitation machine using electro-rheological magnetic fluid |
JP2013170640A (en) * | 2012-02-21 | 2013-09-02 | Kurimoto Ltd | Rotation brake device and manufacturing method therefor |
CN103453053A (en) * | 2013-09-02 | 2013-12-18 | 中国矿业大学 | Magnetorheological brake |
JP2017116014A (en) * | 2015-12-25 | 2017-06-29 | 曙ブレーキ工業株式会社 | Brake device |
CN207229624U (en) * | 2017-09-30 | 2018-04-13 | 重庆理工大学 | A kind of multi-cartridge magnetic rheological clutch |
CN108071712A (en) * | 2018-01-29 | 2018-05-25 | 华东交通大学 | A kind of haptic device magnetic rheological brake encouraged using permanent magnet and magnet exciting coil |
CN108458006A (en) * | 2018-04-07 | 2018-08-28 | 华东交通大学 | The Novel disc-type magnetic rheological brake encouraged using annular permanent magnet and magnet exciting coil |
CN207906319U (en) * | 2018-02-25 | 2018-09-25 | 华东交通大学 | A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling |
CN108930753A (en) * | 2018-09-22 | 2018-12-04 | 华东交通大学 | A kind of twin coil MR damper with multistage axial liquid flow damping channel |
CN111623051A (en) * | 2020-05-20 | 2020-09-04 | 武汉理工大学 | High-power moment-adjustable disc type magnetorheological fluid coupling |
CN212529604U (en) * | 2020-07-20 | 2021-02-12 | 盐城同济汽车配件有限公司 | Hydraulic magnetorheological composite brake structure for vehicle |
CN218177794U (en) * | 2022-10-20 | 2022-12-30 | 重庆理工大学 | SMA extruded armature and disc type MRF combined brake |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102349218B (en) * | 2009-03-11 | 2014-01-29 | 香港中文大学 | Magnetorheological actuator with multiple functions |
US11231078B2 (en) * | 2015-08-17 | 2022-01-25 | Ton Duc Thang University | Method and apparatus for magneto-rheological brake systems |
US11879507B2 (en) * | 2022-02-23 | 2024-01-23 | Zhejiang Normal University | High-stability and large-torque magnetorheological fluid clutch |
-
2024
- 2024-01-23 CN CN202410091135.7A patent/CN117605776B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5460585A (en) * | 1994-03-11 | 1995-10-24 | B.G.M. Engineering, Inc. | Muscle training and physical rehabilitation machine using electro-rheological magnetic fluid |
JP2013170640A (en) * | 2012-02-21 | 2013-09-02 | Kurimoto Ltd | Rotation brake device and manufacturing method therefor |
CN103453053A (en) * | 2013-09-02 | 2013-12-18 | 中国矿业大学 | Magnetorheological brake |
JP2017116014A (en) * | 2015-12-25 | 2017-06-29 | 曙ブレーキ工業株式会社 | Brake device |
CN207229624U (en) * | 2017-09-30 | 2018-04-13 | 重庆理工大学 | A kind of multi-cartridge magnetic rheological clutch |
CN108071712A (en) * | 2018-01-29 | 2018-05-25 | 华东交通大学 | A kind of haptic device magnetic rheological brake encouraged using permanent magnet and magnet exciting coil |
CN207906319U (en) * | 2018-02-25 | 2018-09-25 | 华东交通大学 | A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling |
CN108458006A (en) * | 2018-04-07 | 2018-08-28 | 华东交通大学 | The Novel disc-type magnetic rheological brake encouraged using annular permanent magnet and magnet exciting coil |
CN108930753A (en) * | 2018-09-22 | 2018-12-04 | 华东交通大学 | A kind of twin coil MR damper with multistage axial liquid flow damping channel |
CN111623051A (en) * | 2020-05-20 | 2020-09-04 | 武汉理工大学 | High-power moment-adjustable disc type magnetorheological fluid coupling |
CN212529604U (en) * | 2020-07-20 | 2021-02-12 | 盐城同济汽车配件有限公司 | Hydraulic magnetorheological composite brake structure for vehicle |
CN218177794U (en) * | 2022-10-20 | 2022-12-30 | 重庆理工大学 | SMA extruded armature and disc type MRF combined brake |
Non-Patent Citations (4)
Title |
---|
圆盘式与圆筒式磁流变制动器制动转矩研究;黄金;周轶;王西;;机械设计与制造;20200408(04);全文 * |
圆筒式磁流变制动器的理论设计与分析;杨延荣, 单慧勇, 卫勇;机电工程技术;20051030(10);全文 * |
圆筒式磁流变制动器结构设计;李志华;朱丰友;郭林超;;机械设计与研究;20081220(06);全文 * |
多液流通道旋转式磁流变制动器结构设计及优化;胡国良;李林森;;现代制造工程;20191218(12);全文 * |
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