CN208203852U - The disc type magnetic rheological brake motivated using annular permanent magnet and magnet exciting coil - Google Patents
The disc type magnetic rheological brake motivated using annular permanent magnet and magnet exciting coil Download PDFInfo
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- CN208203852U CN208203852U CN201820478934.XU CN201820478934U CN208203852U CN 208203852 U CN208203852 U CN 208203852U CN 201820478934 U CN201820478934 U CN 201820478934U CN 208203852 U CN208203852 U CN 208203852U
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Abstract
The utility model discloses a kind of disc type magnetic rheological brakes motivated using annular permanent magnet and magnet exciting coil, are mainly made of shaft, cylinder barrel, magnetic conductive disk, turntable, inner sleeve, ring support, end cap, annular permanent magnet and magnet exciting coil etc..An annular permanent magnet is added in the ring support groove of brake, provides fixed magnetic field to the magnetorheological fluid of four sections of radial disk damping gap locations;Magnet exciting coil is wound on annular permanent magnet simultaneously, provides variable magnetic field to the magnetorheological fluid of four sections of radial disk damping gap locations;Magnet exciting coil is used cooperatively with annular permanent magnet, can form three kinds of working methods.In magnet exciting coil power loss, annular permanent magnet can still provide brake certain damping torque, improve the automatic anti-fault performance of brake.In addition, magnet exciting coil is axially disposed among two turntables, the radial dimension of brake is effectively reduced.The utility model brakes occasion especially suitable for multi-state.
Description
Technical field
The utility model relates to a kind of magnetic rheological brakes more particularly to a kind of use annular permanent magnet and magnet exciting coil to swash
The disc type magnetic rheological brake encouraged.
Background technique
The working media filled in traditional liquid braking device is normal hydraulic oil, has structure simply and without external energy
The advantages that amount input;But since hydraulic oil viscosity is small, causes output damping force smaller, do not adapt to the operating condition of various change.
The appearance of magnetorheological fluid brings new thinking to solve the above problems, and magnetorheological fluid has wink under magnetic fields
When reversible rheological behavior, the shear yield strength of magnetorheological fluid can be changed by control magnetic field strength, realize magnetorheological system
The step-less adjustment of dynamic device torque.Magnetic rheological brake can be divided into linear magnetic rheological brake and rotary according to motion mode
Magnetic rheological brake.Relative to revolving type magnetic rheologic brake, although linear magnetic rheological brake has one using relatively extensively
A little obvious disadvantages, such as need biggish installation space;Big impulse stroke cannot be accommodated, because brake bar has deformation
Curved danger;The exposure on bar surface, the probability for injuring bar by exterior object become larger, while will receive in brake cylinder body
The friction of sealing element.
Conventional rotary magnetic rheological brake generates magnetic field only with magnet exciting coil, when brake a period of time out of service
Afterwards, the magnetorheological fluid magnetic-particle in brake can generate sedimentation or aggregation and form lump and cake shape object;When brake again
When operation, the lump and cake shape object can block damp channel to make brake lose damping capacity.In addition, if system power supply
When breaking down and making the exciting current zero of magnetic rheological brake, brake output torque is small and can not adjust, fail-safe
Security performance is lower.Meanwhile conventional rotary magnetic rheological brake makes brake in the mode of outer cylinder placement magnet exciting coil
Radial dimension is excessive, is unfavorable for using in the narrow occasion of working space.
Summary of the invention
In order to solve the problems, such as background technique, the utility model provides a kind of using annular permanent magnet and excitation wire
Enclose the disc type magnetic rheological brake of excitation.Magnet exciting coil and annular permanent magnet are used cooperatively, added in ring support groove
One annular permanent magnet provides fixed magnetic field to the magnetorheological fluid at damping clearance;Revolving type magnetic rheologic in the utility model
The revolving speed of shaft can be effectively reduced in the torque that brake generates, and realizes and slows down or reduce vibration equivalent fruit.DC servo motor
It drives shaft to generate revolving speed of different sizes, when the spindle is rotated, drives turntable rotation;Annular permanent magnet is common with magnet exciting coil
Effect generates magnetic field, when annular permanent magnet generates magnetic direction with energization, magnet exciting coil generation magnetic direction is identical, magnetic current
Become liquid and generate magnetic rheology effect in four sections of radial disk damping gaps, to generate larger torque, hinders rotary shaft rotation, it is real
Now reliable control for brake;When annular permanent magnet generates magnetic direction with energization, magnet exciting coil generation magnetic direction is opposite, lead to
Control magnet exciting coil electrical current size is crossed, it can be achieved that shaft is freely rotated;When magnet exciting coil is not powered on, still there is annular forever
Magnet generates magnetic field, to improve the automatic anti-fault performance of brake.
It includes: left end cap 1, left magnetic conductive disk 2, left-hand rotation disk that the utility model, which solves technical solution used by its technical problem,
3, inner sleeve 4, cylinder barrel 5, right-hand rotation disk 6, right magnetic conductive disk 7, right bearing 8, right end cap 9, ring support 10, annular permanent magnet 11, encourage
Magnetic coil 12, ring support end cap 13, left bearing 14 and shaft 15;Circular through hole is machined among left end cap 1, right side adds
Work has toroidal cavity;1 circular through hole inner surface of left end cap and 15 clearance fit of shaft;Left end cap 1 is tight by screw with cylinder barrel 5
It is solidly connected;Left 2 circumferential outer surface of magnetic conductive disk and 5 circumferential inner surface of cylinder barrel are interference fitted;Stairstepping is machined among left magnetic conductive disk 2
Circular through hole, left 2 circular through hole inner surface left end of magnetic conductive disk and 14 outer ring of left bearing are interference fitted;Left 2 circular through hole of magnetic conductive disk
Inner surface right end and 3 flange outer face clearance fit of left-hand rotation disk, and sealed by sealing ring;Left 2 left side of magnetic conductive disk passes through a left side
1 right side axially position of end cap, right side pass through 5 shaft shoulder left side axially position of cylinder barrel;Circle is machined among left-hand rotation disk 3
Through-hole, circular through hole inner surface and shaft 15 are interference fitted, and are carried out by flat key circumferentially positioned;3 left end of left-hand rotation disk passes through
14 right side axially position of left bearing, right end pass through 6 left side axially position of right-hand rotation disk;4 circumferential outer surface of inner sleeve and cylinder
Cylinder 5 circumferential inner surfaces interference fit;4 left end of inner sleeve passes through 13 right side axially position of ring support end cap;4 right end of inner sleeve
The convex end face axial positioning of facing left of logical ring support 10;Circular through hole, circular through hole inner surface and shaft are machined among right-hand rotation disk 6
15 interference fits, and it is circumferentially positioned by flat key;6 left end of right-hand rotation disk passes through 3 right side axially position of left-hand rotation disk;Right-hand rotation disk 6 is right
End passes through 8 left side axially position of right bearing;Right 7 circumferential outer surface of magnetic conductive disk and 5 circumferential inner surface of cylinder barrel are interference fitted, and the right side is led
Stairstepping circular through hole is machined among disk 7, right 7 circular through hole inner surface right end of magnetic conductive disk is matched with 8 outer ring interference of right bearing
It closes;Right 7 circular through hole inner surface left end of magnetic conductive disk and the right flange outer face clearance fit of right-hand rotation disk 6, and sealed by sealing ring;
Right 7 left end of magnetic conductive disk passes through 5 shaft shoulder right side axially position of cylinder barrel;Right 7 right end of magnetic conductive disk is axial by 9 left side of right end cap
Positioning;11 through-hole inner surface of annular permanent magnet and 10 outer surface of ring support are interference fitted;11 left end of annular permanent magnet passes through ring
13 right side axially position of shape bracket end cap, right end pass through the convex end face axial positioning of facing left of ring support 10;Ring support 10
Convex disk outer surface and 5 circumferential inner surface of cylinder barrel are interference fitted;The convex disk right side of ring support 10 is machined with kidney-shaped boss;Annular
10 left end of bracket passes through 6 left side axially position of right-hand rotation disk by 13 right side axially position of ring support end cap, right end;Ring
13 outer surface of shape bracket end cap and 5 circumferential inner surface of cylinder barrel are interference fitted;It is convex that 13 left side of ring support end cap is machined with kidney-shaped
Platform;13 left end of ring support end cap passes through 3 right side axially position of left-hand rotation disk;Its right end by inner sleeve 4, ring support 10 and
11 left side axially position of annular permanent magnet;8 left end of right bearing carries out axis by 6 right end of right-hand rotation disk and 7 right axle shoulder of right magnetic conductive disk
To positioning, right end carries out axially position by 9 left side of right end cap;8 inner ring of right bearing and shaft 15 are interference fitted;Left bearing
14 left ends carry out axially position by 1 right side of left end cap, right end by 3 left end of left-hand rotation disk and 2 left axle shoulder of left magnetic conductive disk into
Row axially position;14 inner ring of left bearing and shaft 15 are interference fitted;Ring support 10, annular permanent magnet 11 and ring support end
Lid 13 surrounds toroidal cavity, and magnet exciting coil 12 is wrapped in toroidal cavity, and lead is round logical from inner sleeve 4 and cylinder barrel 5
It is drawn in hole;Gap between left magnetic conductive disk 2 and left-hand rotation disk 3 forms radial disk damping gap I 16;Left-hand rotation disk 3 and annular branch
Gap between frame end lid 13 forms radial disk damping gap II 18;Gap between right-hand rotation disk 6 and ring support 10 is formed
Radial disk damping gap III 20;Gap between right-hand rotation disk 6 and right magnetic conductive disk 7 forms radial disk damping gap IV 22;It is left
Gap between turntable 3 and cylinder barrel 5 forms axial annulus damping clearance I 17;6 flange section of right-hand rotation disk and 10 through-hole of ring support
Gap between inner surface forms axial annulus damping clearance II 19;Gap between right-hand rotation disk 6 and cylinder barrel 5 forms axial annulus
Damping clearance III 21;Radial disk damping gap I 16, axial annulus damping clearance I 17, radial disk damping gap II 18, axis
To between annulus damping clearance II 19, radial disk damping gap III 20, axial annulus damping clearance III 21 and radial disk damping
Gap IV 22, which is connected, collectively constitutes the fluid course of disk brake;Magnetorheological fluid is filled in fluid course;Left magnetic conductive disk 2, a left side
Turntable 3, inner sleeve 4, right-hand rotation disk 6, right magnetic conductive disk 7, ring support 10 and ring support end cap 13 are by mild steel permeability magnetic material
It is made;Left end cap 1, cylinder barrel 5, right bearing 8, right end cap 9, left bearing 14 and shaft 15 are made of stainless steel un-conducted magnetic material.
The utility model compared with the background art, has the beneficial effect that
(1) the utility model annular permanent magnet and magnet exciting coil collective effect generate magnetic field, when annular permanent magnet generates magnetic
With when magnet exciting coil generation magnetic direction is identical when being powered, magnetic current occurs field direction for the magnetorheological fluid in radial disk damping gap
Change effect generates larger torque, shaft rotation is hindered, to realize control for brake;When annular permanent magnet generate magnetic direction with
When energization magnet exciting coil generate magnetic direction it is opposite when, by control magnet exciting coil electrical current size, it can be achieved that shaft from
By rotating;When magnet exciting coil is not powered on, still there is annular permanent magnet to generate magnetic field;The utility model is by annular permanent magnet and excitation
Fitting coils use, it can be achieved that three kinds of effective operating modes, further improve torque-volume ratio of brake, increase
The adjustable range of damping torque has widened the use scope of brake.
(2) magnet exciting coil and annular permanent magnet are axially disposed among two turntables by the utility model, are effectively reduced
The radial dimension of brake.
(3) the utility model can be such that the magnetorheological fluid in working chamber is under magnetic fields always using annular permanent magnet,
Magnetorheological fluid standing sedimentation is easy to produce when solving conventional magnetic rheological brake power loss, thus the problem of blocking damp channel.
In addition, being avoided using annular permanent magnet when it is zero that the system failure, which leads to field coil current, damping torque is small and can not adjust
The problem of section, increases the stability and safety of system.
(4) compared with linear magnetic rheological brake, the utility model is small in size, light-weight, at low cost, saves installation
Space.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is that magnetic line of force distribution when the utility model magnet exciting coil is identical as annular permanent magnet generation magnetic direction is illustrated
Figure.
Fig. 3 is that magnetic line of force distribution when the utility model magnet exciting coil is opposite with annular permanent magnet generation magnetic direction is illustrated
Figure.
Fig. 4 is magnetic line of force distribution schematic diagram when the utility model annular permanent magnet generates magnetic field.
Fig. 5 is the utility model fluid course damping clearance structural schematic diagram.
Fig. 6 is the utility model ring support end cover structure schematic diagram.
Specific embodiment
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, left magnetic conductive disk 2, left-hand rotation disk 3, inner sleeve 4, cylinder barrel
5, right-hand rotation disk 6, right magnetic conductive disk 7, right bearing 8, right end cap 9, ring support 10, annular permanent magnet 11, magnet exciting coil 12, annular branch
Frame end lid 13, left bearing 14 and shaft 15.
Fig. 2 is that magnetic line of force distribution when the utility model magnet exciting coil is identical as annular permanent magnet generation magnetic direction is illustrated
Figure, the magnetic line of force that magnet exciting coil 12 generates sequentially pass through left magnetic conductive disk 2, left-hand rotation disk 3, ring support end cap 13, inner sleeve 4, ring
Shape bracket 10, right-hand rotation disk 6, right magnetic conductive disk 7 are then passed through right-hand rotation disk 6, ring support 10, ring support end cap 13 and left-hand rotation disk
3, closed circuit is finally formed at left magnetic conductive disk 2.The magnetic line of force that annular permanent magnet 11 generates sequentially passes through ring from the pole N
Shape bracket end cap 13, left-hand rotation disk 3, left magnetic conductive disk 2 are then passed through left-hand rotation disk 3, ring support end cap 13, inner sleeve 4, annular branch
Then frame 10, right-hand rotation disk 6, right magnetic conductive disk 7 return to right-hand rotation disk 6 and ring support 10, eventually pass back to the formation of ring support end cap 13
Closed circuit.When magnet exciting coil 12 is identical as 11 magnetic field of annular permanent magnet generation direction, radial disk damping is further enhanced
Magnetic field strength in gap improves brake performance.
Fig. 3 is that magnetic line of force distribution when the utility model magnet exciting coil is opposite with annular permanent magnet generation magnetic direction is illustrated
Figure, magnet exciting coil 12 generate the magnetic line of force sequentially pass through left magnetic conductive disk 2, left-hand rotation disk 3, ring support end cap 13, ring support 10,
Right-hand rotation disk 6, right magnetic conductive disk 7 are then passed through right-hand rotation disk 6, ring support 10, ring support end cap 13 and left-hand rotation disk 3, finally on a left side
Magnetic conductive disk 2 forms closed circuit.The magnetic line of force that annular permanent magnet 11 generates from the pole N, sequentially pass through ring support end cap 13,
Left-hand rotation disk 3, left magnetic conductive disk 2, be then passed through left-hand rotation disk 3, ring support end cap 13, inner sleeve 4, ring support 10, right-hand rotation disk 6,
Then right magnetic conductive disk 7 returns to right-hand rotation disk 6 and ring support 10, eventually pass back to ring support end cap 13 and form closed circuit.It encourages
When magnetic coil 12 is opposite with the generation magnetic direction of annular permanent magnet 11, the magnetic line of force that the two generates is contrary, is encouraged by control
The size of 12 electrical current of magnetic coil, the magnetic field that magnet exciting coil 12 is generated with annular permanent magnet 11 can cancel out each other, final real
Existing shaft 15 is freely rotated.
Fig. 4 is magnetic line of force distribution schematic diagram when the utility model annular permanent magnet generates magnetic field, and annular permanent magnet 11 produces
The raw magnetic line of force sequentially passes through ring support end cap 13, left-hand rotation disk 3, left magnetic conductive disk 2 from the pole N, be then passed through left-hand rotation disk 3,
Then ring support end cap 13, inner sleeve 4, ring support 10, right-hand rotation disk 6, right magnetic conductive disk 7 return to right-hand rotation disk 6 and ring support
10, it eventually passes back to ring support end cap 13 and forms closed circuit.When magnet exciting coil 12 is non-conductive, only annular permanent magnet 11 is generated
When magnetic field, the braking moment for generating a certain size can be remained in brake no power, improve the automatic anti-fault of brake
Performance.
Fig. 5 is the utility model fluid course damping clearance structural schematic diagram.Between between left magnetic conductive disk 2 and left-hand rotation disk 3
Gap forms radial disk damping gap I 16;Gap between left-hand rotation disk 3 and ring support end cap 13 is formed between radial disk damping
Gap II 18;Gap between right-hand rotation disk 6 and ring support 10 forms radial disk damping gap III 20;Right-hand rotation disk 6 and right magnetic conduction
Gap between disk 7 forms radial disk damping gap IV 22;Gap between left-hand rotation disk 3 and cylinder barrel 5 forms axial annulus resistance
Buddhist nun gap I 17;Gap between 10 through-hole inner surface of 6 flange section of right-hand rotation disk and ring support forms axial annulus damping clearance
Ⅱ 19;Gap between right-hand rotation disk 6 and cylinder barrel 5 forms axial annulus damping clearance III 21;Radial disk damping gap I 16, axis
To annulus damping clearance I 17, radial disk damping gap II 18, axial annulus damping clearance II 19, radial disk damping gap
III 20, the liquid stream that axial annulus damping clearance III 21 and IV 22 series connection of radial disk damping gap collectively constitute disk brake is led to
Road;Magnetorheological fluid is filled in fluid course.
Fig. 6 is the utility model ring support end cover structure schematic diagram, is machined among ring support end cap 13 round logical
Hole, left end processing there are three axial equally distributed kidney-shaped boss, boss with a thickness of radial disk damping gap II 18 width
Degree.
Utility model works principle is as follows:
DC servo motor drives shaft 15 to generate revolving speed of different sizes, while shaft 15 drives left-hand rotation disk 3 and turns right
Disk 6 rotates.Magnet exciting coil 12, which is powered, generates magnetic field, and when annular permanent magnet 11 generates magnetic direction and is powered, magnet exciting coil 12 is produced
When magnetisation field direction is identical, 12 current strength size of magnet exciting coil is adjusted, magnetic field strength is gradually increased;Under magnetic fields, magnetic
Rheology liquid generates magnetic rheology effect in four sections of radial disk damping gaps, and magnetorheological fluid apparent viscosity becomes larger, and generates larger turn
Square, to realize control for brake;When annular permanent magnet 11 generates magnetic direction and is powered, magnet exciting coil 12 generates magnetic direction
When opposite, by controlling 12 electrical current size of magnet exciting coil, offsetting 11 intrinsic magnetic field of annular permanent magnet influences, and may be implemented to turn
Axis 15 is freely rotated;When magnet exciting coil 12 is not powered on, still there is annular permanent magnet 11 to generate magnetic field, can further improve braking
The preventing failure energy of device.
Claims (3)
1. a kind of disc type magnetic rheological brake motivated using annular permanent magnet and magnet exciting coil, characterized by comprising: left end
Cover (1), left magnetic conductive disk (2), left-hand rotation disk (3), inner sleeve (4), cylinder barrel (5), right-hand rotation disk (6), right magnetic conductive disk (7), right bearing
(8), right end cap (9), ring support (10), annular permanent magnet (11), magnet exciting coil (12), ring support end cap (13), left axle
Hold (14) and shaft (15);It is machined with circular through hole among left end cap (1), right side is machined with toroidal cavity;Left end cap
(1) circular through hole inner surface and shaft (15) clearance fit;Left end cap (1) is fastenedly connected with cylinder barrel (5) by screw;Left magnetic conduction
Disk (2) circumferential outer surface and cylinder barrel (5) circumferential inner surface are interference fitted;It is logical that stairstepping circle is machined among left magnetic conductive disk (2)
Hole, left magnetic conductive disk (2) circular through hole inner surface left end and left bearing (14) outer ring are interference fitted;Left magnetic conductive disk (2) circular through hole
Inner surface right end and left-hand rotation disk (3) flange outer face clearance fit, and sealed by sealing ring;Left magnetic conductive disk (2) left side is logical
Left end cap (1) right side axially position is crossed, right side passes through cylinder barrel (5) shaft shoulder left side axially position;Left-hand rotation disk (3) is intermediate
It is machined with circular through hole, circular through hole inner surface and shaft (15) are interference fitted, and are carried out by flat key circumferentially positioned;Turn left
Disk (3) left end passes through right-hand rotation disk (6) left side axially position by left bearing (14) right side axially position, right end;Inner sleeve
Cylinder (4) circumferential outer surface and cylinder barrel (5) circumferential inner surface are interference fitted;Inner sleeve (4) left end passes through ring support end cap (13)
Right side axially position;Inner sleeve (4) right end passes through ring support (10) convex end face axial positioning of facing left;Right-hand rotation disk (6) is intermediate
It is machined with circular through hole, circular through hole inner surface and shaft (15) are interference fitted, and circumferentially positioned by flat key;Right-hand rotation disk
(6) left end passes through left-hand rotation disk (3) right side axially position;Right-hand rotation disk (6) right end passes through right bearing (8) left side axially position;
Right magnetic conductive disk (7) circumferential outer surface and cylinder barrel (5) circumferential inner surface are interference fitted, and are machined with stairstepping among right magnetic conductive disk (7)
Circular through hole, right magnetic conductive disk (7) circular through hole inner surface right end and right bearing (8) outer ring are interference fitted;Right magnetic conductive disk (7) is round
Through-hole inner surface left end and right-hand rotation disk (6) right flange outer face clearance fit, and sealed by sealing ring;Right magnetic conductive disk (7) is left
End passes through cylinder barrel (5) shaft shoulder right side axially position;Right magnetic conductive disk (7) right end passes through right end cap (9) left side axially position;Ring
Shape permanent magnet (11) through-hole inner surface and ring support (10) outer surface are interference fitted;Annular permanent magnet (11) left end passes through annular
Bracket end cap (13) right side axially position, right end pass through ring support (10) convex end face axial positioning of facing left;Ring support
(10) convex disk outer surface and cylinder barrel (5) circumferential inner surface are interference fitted;It is convex that the convex disk right side of ring support (10) is machined with kidney-shaped
Platform;Ring support (10) left end passes through right-hand rotation disk (6) left end by ring support end cap (13) right side axially position, right end
Face axially position;Ring support end cap (13) outer surface and cylinder barrel (5) circumferential inner surface are interference fitted;Ring support end cap (13)
Left side is machined with kidney-shaped boss;Ring support end cap (13) left end passes through left-hand rotation disk (3) right side axially position;Its right end is logical
Cross inner sleeve (4), ring support (10) and annular permanent magnet (11) left side axially position;Right bearing (8) left end passes through right-hand rotation
Disk (6) right end and right magnetic conductive disk (7) right axle shoulder carry out axially position, and it is axial fixed that right end is carried out by right end cap (9) left side
Position;Right bearing (8) inner ring and shaft (15) are interference fitted;Left bearing (14) left end is carried out axial by left end cap (1) right side
Positioning, right end carry out axially position by left-hand rotation disk (3) left end and left magnetic conductive disk (2) left axle shoulder;Left bearing (14) inner ring with
Shaft (15) interference fit;It is recessed that ring support (10), annular permanent magnet (11) and ring support end cap (13) surround circular ring shape
Slot, magnet exciting coil (12) are wrapped in toroidal cavity, and lead is drawn from inner sleeve (4) and cylinder barrel (5) circular through hole.
2. a kind of disc type magnetic rheological brake motivated using annular permanent magnet and magnet exciting coil according to claim 1,
It is characterized by: the gap between left magnetic conductive disk (2) and left-hand rotation disk (3) forms radial disk damping gap I (16);Left-hand rotation disk
(3) gap between ring support end cap (13) forms radial disk damping gap II (18);Right-hand rotation disk (6) and ring support
(10) gap between forms radial disk damping gap III (20);Gap between right-hand rotation disk (6) and right magnetic conductive disk (7) is formed
Radial disk damping gap IV (22);Gap between left-hand rotation disk (3) and cylinder barrel (5) forms axial annulus damping clearance I (17);
Gap between right-hand rotation disk (6) flange section and ring support (10) through-hole inner surface forms axial annulus damping clearance II
(19);Gap between right-hand rotation disk (6) and cylinder barrel (5) forms axial annulus damping clearance III (21);Radial disk damping gap I
(16), axial annulus damping clearance I (17), radial disk damping gap II (18), axial annulus damping clearance II (19), radial direction
Disk damping gap III (20), axial annulus damping clearance III (21) and radial disk damping gap IV (22) are connected and are collectively constituted
The fluid course of disk brake;Magnetorheological fluid is filled in fluid course.
3. a kind of disc type magnetic rheological brake motivated using annular permanent magnet and magnet exciting coil according to claim 1,
It is characterized by: left magnetic conductive disk (2), left-hand rotation disk (3), inner sleeve (4), right-hand rotation disk (6), right magnetic conductive disk (7), ring support (10)
And ring support end cap (13) is made of mild steel permeability magnetic material;Left end cap (1), cylinder barrel (5), right bearing (8), right end cap
(9), left bearing (14) and shaft (15) are made of stainless steel un-conducted magnetic material.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109826904A (en) * | 2019-03-20 | 2019-05-31 | 华东交通大学 | A kind of double drum revolving type magnetic rheologic dampers |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109826904A (en) * | 2019-03-20 | 2019-05-31 | 华东交通大学 | A kind of double drum revolving type magnetic rheologic dampers |
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