CN207906319U - A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling - Google Patents
A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling Download PDFInfo
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- CN207906319U CN207906319U CN201820268357.1U CN201820268357U CN207906319U CN 207906319 U CN207906319 U CN 207906319U CN 201820268357 U CN201820268357 U CN 201820268357U CN 207906319 U CN207906319 U CN 207906319U
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Abstract
The utility model discloses a kind of magnetic rheological brakes with formula magnetic circuit channel of wriggling, mainly by end cap, cylinder barrel, magnetic conductive disk, form every disk, magnetic guiding loop, magnetism-isolating loop, magnetic conduction sleeve, magnet exciting coil and shaft etc..When shaft rotates, magnet exciting coil, which is powered, generates magnetic field, and the magnetic line of force sequentially passes through left magnetic conductive disk, left magnetic guiding loop, magnetic conduction sleeve, right magnetic guiding loop, right magnetic conductive disk and cylinder barrel, forms closed circuit.By conducting parts and every the sequentially combination of magnetic part, a kind of sinuous formula magnetic circuit channel is formed, effective damping gap length is extended, produces larger torque, to hinder shaft to rotate.The utility model solves the problems, such as that common revolving type magnetic rheologic brake shaft cannot be efficiently used all to ring gap region, it can be in the case where not increasing brake contour structure size, torque and the working performance for effectively improving brake, especially suitable for big torque application scenario.
Description
Technical field
The utility model is related to a kind of magnetic rheological brake more particularly to it is a kind of have wriggle formula magnetic circuit channel it is magnetorheological
Brake.
Background technology
The working media filled in traditional liquid braking device is normal hydraulic oil, simple in structure and without external energy
Input.But since hydraulic oil viscosity is small, output damping force is smaller and uncontrollable, does not adapt to the work operating mode of various change.
MR damper is a kind of novel semi-active damper device based on magnetorheological fluid controllable characteristics, which can produce movement
Raw resistance, and for the energy of dissipation movement possesses fast response time, simple in structure, small, easy in its working range
Control and low power consumption and other advantages are a kind of ideal vibration isolation, antishock device, have in building, machinery, military project etc. and answer extensively
Use foreground.
Magnetic rheological brake can be divided into linear magnetic rheological brake according to motion mode and revolving type magnetic rheologic is braked
Device.Compared to revolving type magnetic rheologic brake, although linear magnetic rheological brake has some significantly using relatively wide
Disadvantage such as needs larger installation space；Big impulse stroke cannot be accommodated, because brake bar has the danger of bending
Danger；The exposure on bar surface makes bar be become larger by the probability that exterior object injures, while can be by sealing element in brake cylinder body
Friction.
Conventional rotary magnetic rheological brake, to improve output torque, contour structure size design is relatively large, cannot
Meet the needs of being applied under narrow working environment, therefore design one kind in the case where not increasing cylinder barrel contour structure size,
The brake that damping torque and working performance can be effectively improved is a urgent problem needed to be solved.
Invention content
In order to solve the problems, such as that background technology, the utility model provide a kind of magnetic with formula magnetic circuit channel of wriggling
Rheology brake.When shaft rotates, magnet exciting coil, which is powered, generates magnetic field, and the magnetic line of force sequentially passes through left magnetic conductive disk, left magnetic guiding loop, leads
Magnetic sleeve, right magnetic guiding loop, right magnetic conductive disk and cylinder barrel form closed circuit.By conducting parts and every the sequentially combination of magnetic part,
The guiding magnetic line of force passes through from the material of high magnetic permeability, forms a kind of sinuous formula magnetic circuit channel, it is long to extend effective damping gap
Degree.Magnetorheological fluid generates magnetic rheology effect in effective damping gap, generates larger torque, to hinder shaft to rotate.This reality
Solve the problems, such as that common revolving type magnetic rheologic brake shaft cannot be efficiently used all to ring gap region with novel, it can
In the case where not increasing brake contour structure size, the damping torque and working performance of brake are effectively improved, it is especially suitable
For big torque application scenario.
Technical solution includes used by the utility model solves its technical problem：Left end cap (1), a left side are every disk (2), a left side
Magnetism-isolating loop (3), magnet exciting coil (4), cylinder barrel (5), shaft (6), right magnetism-isolating loop (7), the right side are every disk (8), right end cap (9), right axle
Hold (10), right magnetic conductive disk (11), right magnetic guiding loop (12), magnetic conduction sleeve (13), left magnetic guiding loop (14), left magnetic conductive disk (15) and left axle
It holds (16)；Circular through hole, circular through hole inner surface and shaft (6) clearance fit are machined among left end cap (1), and by close
Seal is sealed；Left end cap (1) is fastenedly connected by screw and cylinder barrel (5)；A left side is machined with round logical among disk (2)
Hole, circular through hole inner surface are interference fitted with left bearing (16) outer ring；A left side is every disk (2) circumferential outer surface and cylinder barrel (5) circle
All inner surface interference fits；It is machined with circular through hole among left magnetism-isolating loop (3), left magnetism-isolating loop (3) left and right ends face processes respectively
There is round ring boss；It is machined with circular through hole among right magnetism-isolating loop (7), right magnetism-isolating loop (7) left and right ends face is machined with circle respectively
Annular convex platform；It is machined with circular through hole among magnetic conduction sleeve (13), magnetic conduction sleeve (13) left and right ends face is machined with annulus respectively
Connected in star；Magnetic conduction sleeve (13) left side toroidal cavity is interference fitted with left magnetism-isolating loop (3) right side round ring boss, magnetic conduction
Sleeve (13) right side toroidal cavity is interference fitted with right magnetism-isolating loop (7) left side round ring boss；In left magnetic conductive disk (15)
Between be machined with circular through hole, right side is machined with toroidal cavity；Left magnetic conductive disk (15) circumferential outer surface and cylinder barrel (5) circumference
Inner surface is interference fitted；Left magnetic conductive disk (15) right side toroidal cavity and left magnetism-isolating loop (3) left side round ring boss interference
Cooperation；It is machined with circular through hole among right magnetic conductive disk (11), left side is machined with toroidal cavity；Right magnetic conductive disk (11) circumference
Outer surface is interference fitted with cylinder barrel (5) circumferential inner surface, and right magnetic conductive disk (11) left side toroidal cavity is right with right magnetism-isolating loop (7)
End face round ring boss interference fit；The right side is machined with circular through hole among the disk (8), it is right every disk (8) circumferential outer surface with
Cylinder barrel (5) circumferential inner surface is interference fitted；The right side is interference fitted every disk (8) circular through hole inner surface and right bearing (10) outer ring；
Be machined with circular through hole, circular through hole inner surface and shaft (6) clearance fit among right end cap (9), and by sealing ring into
Row sealing；Right end cap (9) is fastenedly connected by screw and brake cylinder barrel (5)；It is machined with the circular ring shape shaft shoulder in the middle part of shaft (6)；
Circular through hole is machined among right magnetic guiding loop (12), circular through hole inner surface is interference fitted with shaft (6)；Right magnetic guiding loop (12)
It is circumferentially fixed by flat key and shaft (6) progress；Right magnetic guiding loop (12) left end is carried out axial solid by shaft (6) shaft shoulder right side
Fixed, right end carries out axial restraint by the right side every disk (8) left side；Right magnetic guiding loop (12) passes through sealing with the right side every disk (8)
Circle is sealed；Circular through hole is machined among left magnetic guiding loop (14), circular through hole inner surface is interference fitted with shaft (6)；
Left magnetic guiding loop (14) is carried out by flat key with shaft (6) circumferentially fixed；Left magnetic guiding loop (14) right end passes through shaft (6) shaft shoulder left end
Face carries out axial restraint, and left end carries out axial restraint by a left side every disk (2) right side；Left magnetic guiding loop (14) is with a left side every disk
(2) it is sealed by a seal ring；Right bearing (10) inner ring is interference fitted with shaft (6)；Distinguish right bearing (10) left and right ends
Axially position is carried out by right magnetic guiding loop (12) right side and right end cap (9) left side；Left bearing (16) inner ring and shaft (6) mistake
It is full of cooperation；Left bearing (16) left and right ends are carried out by left end cap (1) right side and left magnetic guiding loop (14) left side axial respectively
Positioning；Left magnetic conductive disk (15), left magnetism-isolating loop (3), magnetic conduction sleeve (13), right magnetism-isolating loop (7) and right magnetic conductive disk (11) surround circle
Annular groove；Magnet exciting coil (4) is wrapped in toroidal cavity, and lead is drawn from the fairlead of cylinder barrel (5).
The utility model compared with the background art, has an advantageous effect in that：
(1) the utility model guides the magnetic line of force from high magnetic permeability by conducting parts and every the sequential combination of magnetic part
Pass through in material, forms formula magnetic circuit channel of wriggling, extend effective damping gap length, solve common revolving type magnetic rheologic system
The problem of dynamic device axial direction ring gap region cannot all be efficiently used.The utility model can not increase outside brake cylinder barrel
In the case of shape structure size, the damping torque and working performance of brake are effectively improved.
(2) compared with linear magnetic rheological brake, the utility model is small, light-weight, at low cost, compact to design,
Torque-the volume ratio for improving brake, increases the adjustable range of damping torque, saves installation space, to widen
The use scope of brake.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model magnetic line of force distribution schematic diagram.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the utility model structure diagram, including left end cap (1), a left side every disk (2), left magnetism-isolating loop (3), excitation
Coil (4), cylinder barrel (5), shaft (6), right magnetism-isolating loop (7), the right side are every disk (8), right end cap (9), right bearing (10), right magnetic conductive disk
(11), right magnetic guiding loop (12), magnetic conduction sleeve (13), left magnetic guiding loop (14), left magnetic conductive disk (15) and left bearing (16).
Fig. 2 is the utility model magnetic line of force distribution schematic diagram, and the magnetic line of force that magnet exciting coil (4) generates sequentially passes through left magnetic conduction
Disk (15), left magnetic guiding loop (14), magnetic conduction sleeve (13), right magnetic guiding loop (12), right magnetic conductive disk (11) and cylinder barrel (5), finally return to
Closed circuit is formed at left magnetic conductive disk (15).By conducting parts and every the sequentially combination of magnetic part, magnetic line of force dioptric type passes through
High permeability materials can pass perpendicularly through multistage axial direction annulus damping clearance, improve the utilization rate of axial annulus damping clearance.
Left magnetic conductive disk (15), left magnetism-isolating loop (3), magnetic conduction sleeve (13), right magnetism-isolating loop (7) and right magnetic conductive disk (11) through-hole inner surface
Combination forms cylindrical cavity；Cylindrical empty inner cavity surface is led with left magnetic guiding loop (14), the circular ring shape shaft shoulder of shaft (6) and the right side
The annular gap formed between magnet ring (12) outer surface constitutes the effective damping channel of magnetorheological fluid flowing.
Utility model works principle is as follows：
Shaft (6) mounted on motor or other rotary power units is driven to rotate, and generates rotation of different sizes
Speed, magnet exciting coil (4), which is powered, at this time generates magnetic field；Magnet exciting coil (4) current strength size is adjusted, magnetic field intensity gradually increases
Greatly, magnetorheological fluid generates magnetic rheology effect in annular fluid flow gap, and magnetorheological fluid apparent viscosity becomes larger, and generates larger turn
Square hinders rotary shaft (6) to rotate, to realize control purpose.
Claims (2)
1. a kind of magnetic rheological brake with formula magnetic circuit channel of wriggling, it is characterised in that：Including left end cap (1), a left side every disk
(2), left magnetism-isolating loop (3), magnet exciting coil (4), cylinder barrel (5), shaft (6), right magnetism-isolating loop (7), the right side are every disk (8), right end cap
(9), right bearing (10), right magnetic conductive disk (11), right magnetic guiding loop (12), magnetic conduction sleeve (13), left magnetic guiding loop (14), left magnetic conductive disk
(15) and left bearing (16)；It is machined with circular through hole among left end cap (1), circular through hole inner surface is matched with shaft (6) gap
It closes, and is sealed by a seal ring；Left end cap (1) is fastenedly connected by screw and cylinder barrel (5)；A left side adds among disk (2)
Work has circular through hole, circular through hole inner surface to be interference fitted with left bearing (16) outer ring；A left side every disk (2) circumferential outer surface with
Cylinder barrel (5) circumferential inner surface is interference fitted；It is machined with circular through hole, left magnetism-isolating loop (3) left and right ends face among left magnetism-isolating loop (3)
It is machined with round ring boss respectively；Circular through hole, right magnetism-isolating loop (7) left and right ends face difference are machined among right magnetism-isolating loop (7)
It is machined with round ring boss；It is machined with circular through hole among magnetic conduction sleeve (13), magnetic conduction sleeve (13) left and right ends face adds respectively
Work has toroidal cavity；Magnetic conduction sleeve (13) left side toroidal cavity and left magnetism-isolating loop (3) right side round ring boss interference
Cooperation, magnetic conduction sleeve (13) right side toroidal cavity are interference fitted with right magnetism-isolating loop (7) left side round ring boss；Left magnetic conduction
It is machined with circular through hole among disk (15), right side is machined with toroidal cavity；Left magnetic conductive disk (15) circumferential outer surface and cylinder
Cylinder (5) circumferential inner surface interference fit；Left magnetic conductive disk (15) right side toroidal cavity and left magnetism-isolating loop (3) left side circular ring shape
Boss is interference fitted；It is machined with circular through hole among right magnetic conductive disk (11), left side is machined with toroidal cavity；Right magnetic conductive disk
(11) circumferential outer surface and cylinder barrel (5) circumferential inner surface are interference fitted, right magnetic conductive disk (11) left side toroidal cavity with it is right every
Magnet ring (7) right side round ring boss interference fit；The right side is machined with circular through hole among disk (8), and the right side is every disk (8) circumference
Outer surface is interference fitted with cylinder barrel (5) circumferential inner surface；The right side is every disk (8) circular through hole inner surface and right bearing (10) outer ring mistake
It is full of cooperation；Circular through hole, circular through hole inner surface and shaft (6) clearance fit are machined among right end cap (9), and by close
Seal is sealed；Right end cap (9) is fastenedly connected by screw and brake cylinder barrel (5)；It is machined with circular ring shape in the middle part of shaft (6)
The shaft shoulder；Circular through hole is machined among right magnetic guiding loop (12), circular through hole inner surface is interference fitted with shaft (6)；Right magnetic conduction
Ring (12) is carried out by flat key with shaft (6) circumferentially fixed；Right magnetic guiding loop (12) left end is carried out by shaft (6) shaft shoulder right side
Axial restraint, right end carry out axial restraint by the right side every disk (8) left side；Right magnetic guiding loop (12) is led to right every disk (8)
Sealing ring is crossed to be sealed；Circular through hole, circular through hole inner surface and shaft (6) interference are machined among left magnetic guiding loop (14)
Cooperation；Left magnetic guiding loop (14) is carried out by flat key with shaft (6) circumferentially fixed；Left magnetic guiding loop (14) right end passes through shaft (6) axis
Shoulder left side carries out axial restraint, and left end carries out axial restraint by a left side every disk (2) right side；Left magnetic guiding loop (14) and a left side
It is sealed by a seal ring every disk (2)；Right bearing (10) inner ring is interference fitted with shaft (6)；Right bearing (10) left and right two
End carries out axially position by right magnetic guiding loop (12) right side and right end cap (9) left side respectively；Left bearing (16) inner ring with turn
Axis (6) is interference fitted；Left bearing (16) left and right ends respectively by left end cap (1) right side and left magnetic guiding loop (14) left side into
Row axially position.
2. a kind of magnetic rheological brake with formula magnetic circuit channel of wriggling according to claim 1, it is characterised in that：It leads on a left side
Disk (15), left magnetism-isolating loop (3), magnetic conduction sleeve (13), right magnetism-isolating loop (7) and right magnetic conductive disk (11) surround toroidal cavity；
Magnet exciting coil (4) is wrapped in toroidal cavity, and lead is drawn from the fairlead of cylinder barrel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820268357.1U CN207906319U (en) | 2018-02-25 | 2018-02-25 | A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820268357.1U CN207906319U (en) | 2018-02-25 | 2018-02-25 | A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906319U true CN207906319U (en) | 2018-09-25 |
Family
ID=63561201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820268357.1U Expired - Fee Related CN207906319U (en) | 2018-02-25 | 2018-02-25 | A kind of magnetic rheological brake with formula magnetic circuit channel of wriggling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207906319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609112A (en) * | 2020-05-14 | 2020-09-01 | 中国矿业大学 | Multistage roller pair roller type magnetorheological stepless power transmission device |
| US20230184301A1 (en) * | 2021-12-14 | 2023-06-15 | Xuan Hung NGUYEN | Magneto-rheological brake assembly |
| CN117605776A (en) * | 2024-01-23 | 2024-02-27 | 华东交通大学 | Stator built-in magneto-rheological brake |
-
2018
- 2018-02-25 CN CN201820268357.1U patent/CN207906319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609112A (en) * | 2020-05-14 | 2020-09-01 | 中国矿业大学 | Multistage roller pair roller type magnetorheological stepless power transmission device |
| US20230184301A1 (en) * | 2021-12-14 | 2023-06-15 | Xuan Hung NGUYEN | Magneto-rheological brake assembly |
| CN117605776A (en) * | 2024-01-23 | 2024-02-27 | 华东交通大学 | Stator built-in magneto-rheological brake |
| CN117605776B (en) * | 2024-01-23 | 2024-04-05 | 华东交通大学 | Stator built-in magneto-rheological brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20200225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |