CN204572848U - Radial multilayer formula magnetic rheological clutch - Google Patents
Radial multilayer formula magnetic rheological clutch Download PDFInfo
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- CN204572848U CN204572848U CN201520203768.9U CN201520203768U CN204572848U CN 204572848 U CN204572848 U CN 204572848U CN 201520203768 U CN201520203768 U CN 201520203768U CN 204572848 U CN204572848 U CN 204572848U
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Abstract
The utility model discloses a kind of radial multilayer formula magnetic rheological clutch, mainly comprise output shaft, left dish, shell, support disk, rotor, coil, right dish and input shaft, left dish, right dish and the shell be arranged between left dish and right dish surround a cavity, output shaft is fixedly attached to the outer surface of left dish, the part that input shaft stretches into cavity connects support disk with flat key, on a left side for support disk, right side radially compartment of terrain is fixed with rotor I, rotor III and close the rotor II be located on left dish and right dish internal surface with inserting therebetween, rotor IV, all rotors arrange equal even number equably along respective circumferencial direction respectively, rotor is also wound with coil respectively, gap is provided with between the rotor of different circumference, magnetic flow liquid is passed in gap.The utility model utilizes radial working clearance, radial multilayer superposition, and transmitting torque is large, and compact structure, epitrochanterian coil also can change flexibly.
Description
Technical field
The utility model relates to a kind of magnetic rheological clutch, especially a kind ofly utilizes radial working clearance, radial multilayer superposition, can provide large torque output, radial multilayer formula magnetic rheological clutch that coil can change flexibly.
Background technique
So-called clutch utilizes "Off" and " conjunction " to transmit the motion of machinery and the device of power.For a long time, friction clutcch applies the widest, is also a history class clutch at most, but its easily heating, easy to wear, noise is large.In order to improve the reliability of driven by clutches and alleviate the weight of clutch transmission, there is magnetic powder clutch afterwards, this kind of clutch is by adding magnetic between the driving link and driven member of transmission device, when no electric circuit, magnetic is in loose condition (of surface), driving link and driven member are in "Off" state, when being energized, magnetic combines, and makes driving link and driven member be in " conjunction " state, thus realizes interruption and the transmission of motion and power between master and slave moving part.The clutch moment of magnetic powder clutch can realize controlled, but its moment keeps less stable, and be easy to heating, magnetic is easily aging.
Magnetic flow liquid is the suspension liquid of a kind of ferromagnetic particle, carrier fluid and additive by high magnetic permeability according to certain volume ratio Homogeneous phase mixing, is a kind of novel intelligent material.In null field situation, magnetic flow liquid shows as the good liquid of mobile performance, and its apparent viscosity is very little; Within the short time (Millisecond), apparent viscosity can increase more than two orders of magnitude under strong magnetic field action, and present class solid property; Not only and this change is continuous print, reversible, original state is returned to after removing magnetic field.Because magnetic flow liquid has good controllability and reversibility, in vehicle power transmission, vibration damping, braking, soft start, stepless change etc., have a wide range of applications space.
Magnetic rheological clutch is exactly add magnetic flow liquid between the driving link and driven member of transmission device, is realized combination, the separated state of clutch by the size controlling applied field strengths, even can realize the stepless change control that moment of torsion transmits.Which overcome the deficiencies such as conventional clutch is easy to wear, noise is large, moment is unstable, control system is complicated, its structure is simple, mechanical is worn and torn, noise is little, the response time is short (Millisecond), energy consumption is low, control system is simple and can realize the advantages such as stepless speed regulation.But, the little problem of the shear yield stress of magnetic flow liquid annoyings the development of magnetorheological fluid materials and technology always, single circular coil is only used according to the magnetic rheological clutch that existing Shear Yield Stress of Magnetorheological Fluids designs, therefore, the torque of transmitting is less and bulky, cannot be widely used.In high-power transmission, such as Chinese patent disclosed in 26 days June in 2013 " a kind of multi-disc type magnetorheological fluid clutch " (application number: 201210269440.8), and Chinese patent disclosed in 18 days December in 2013 " in a kind of dish the high-power magnetic rheological clutch of cooling type " (application number: 201310393621.6), be all utilize the magnetic flow liquid in axial clearance to carry out work, cause the axial dimension of device very large.
Summary of the invention
In order to overcome, existing magnetic rheological clutch transmitting torque is large compared with little, axial dimension, the not quick detachable deficiency with changing of coil, and the utility model disclose and a kind ofly utilizes the radial working clearance, radial multilayer superposes, can provide large torque output, radial multilayer formula magnetic rheological clutch that coil can change flexibly.
The utility model is that the technological scheme that the deficiency solved the problems of the technologies described above adopts is as described below.
Described radial multilayer formula magnetic rheological clutch, comprise output shaft, left dish, shell, support disk, rotor, magnetic flow liquid, coil, right dish, aluminium block and input shaft, described rotor comprises rotor I, rotor II, rotor III and rotor IV, described coil comprises coil I, coil II, coil III and coil IV, described aluminium block comprises aluminium block I, aluminium block II, aluminium block III and aluminium block IV, described left dish, right dish and the shell be arranged between left dish and right dish surround a cavity, and described output shaft is fixedly attached to the outer surface of left dish;
One end that described input shaft stretches in cavity is rotationally connected by rolling bearing I and left dish, the other end of described input shaft is stretched out cavity and is rotationally connected by rolling bearing II and right dish, the right side of rolling bearing II is located by bearing (ball) cover, and bearing (ball) cover is arranged on input shaft through ladder-shaped sealing ring;
The part that described input shaft stretches into cavity is the support disk that connects of useful flat key also, the left side of support disk is located by the shaft shoulder of input shaft, the right side of support disk is located by the back-up ring on input shaft, and in the right side of support disk, radially compartment of terrain is fixed with rotor I, rotor III and close the rotor II be located on right dish internal surface with inserting therebetween, rotor IV, similarly, in the left side of support disk, radially compartment of terrain is fixed with rotor I, rotor III and close the rotor II be located on left dish internal surface with inserting therebetween, rotor IV, described rotor I, rotor II, rotor III, rotor IV arranges equal even number equably along respective circumferencial direction respectively, the described multiple rotors I arranged equably along respective circumferencial direction between any two adjacent, multiple rotor II between any two adjacent, multiple rotor III between any two adjacent, the adjacent of multiple rotor IV uses aluminium block I between any two respectively, aluminium block II, aluminium block III, aluminium block IV connects, described rotor I, rotor II, rotor III and rotor IV are also wound with coil I respectively, coil II, coil III and coil IV,
Described rotor I and rotor II, rotor II and rotor III, rotor III and rotor IV and rotor IV and input shaft, between rotor I and shell, be provided with gap, be provided with magnetic flow liquid in gap, magnetic flow liquid is sealed in cavity by the seal ring I on input shaft and seal ring II.
Further, the sectional shape of described rotor I is similar to I shape, and described rotor II, rotor III, rotor IV have similar structure to rotor I.
Further, the sectional shape of described aluminium block I is similar to trapezoidal, and described aluminium block II, aluminium block III, aluminium block IV have similar structure to aluminium block I.
Further, described aluminium block I, aluminium block II, aluminium block III, aluminium block IV is used to restriction magnetic flow liquid along gap I, gap II, gap III, the same limit magnetic line of force that gap IV and gap V distribute is from shell to gap I, arrive rotor I again, arrive gap II again, arrive rotor II again, arrive gap III again, arrive rotor III again, arrive gap IV again, arrive rotor IV again, arrive gap V again, arrive input shaft again, again from gap V to adjacent rotor IV, arrive gap IV again, arrive rotor III again, arrive gap III again, arrive rotor II again, arrive gap II again, arrive rotor I again, arrive gap I again, return shell.
Further, described rotor is at the left side of support disk and left dish internal surface, radially arrange one or more layers in compartment of terrain in the right side of support disk and right dish internal surface.
Further, described along same radial direction interleave coil I corresponding on the rotor I of cooperation, rotor II, rotor III, rotor IV, coil II, coil III, coil IV around to identical.
Further, the coil III on the coil I on adjacent two of described multiple rotors I arranged equably along respective circumferencial direction, coil II on adjacent two of multiple rotor II, multiple rotor III adjacent two, coil IV on adjacent two of multiple rotor IV around on the contrary.
Further, described aluminium block I, aluminium block II, aluminium block III, aluminium block IV are non-magnet_conductible material, and rotor I, rotor II, rotor III, rotor IV, shell, left dish, right dish and input shaft are permeability magnetic material.
Adopt technological scheme as above, the utility model has following beneficial effect.
1. radial multilayer formula magnetic rheological clutch described in the utility model, utilize radial working clearance work, compared to traditional axially two sheet separations, under equal boundary dimension, the work area of radial clearance of the present utility model is larger, more compact structure, transmission torque also larger.
2. radial multilayer formula magnetic rheological clutch described in the utility model, multiple rotor circumferentially and coil, the magnetic field on the one hand coil being produced can act in the magnetic flow liquid of almost whole rotor surface, adds the area of the magnetic flow liquid of magnetic fields; Also increase the magnetic intensity in magnetic flow liquid on the other hand, increase the moment of transmission.
3. radial multilayer formula magnetic rheological clutch described in the utility model, the multi-layer rotor be disposed radially and coil, in same radial direction, the rotor of adjacent layer and coil head and the tail are just equivalent to coils connected in series together relatively, increase the magnetic intensity of magnetic flow liquid in gap, thus add the moment of transmission.
4. radial multilayer formula magnetic rheological clutch described in the utility model, be disposed radially multi-layer rotor and coil, circumference arranges multiple rotor and coil, the different numbers of plies can be set according to designing requirement and number obtains different output torques, also different output torques can be obtained by changing axial dimension, the size of electric current output torque can also be controlled in regulating winding.
5. radial multilayer formula magnetic rheological clutch described in the utility model, described epitrochanterian coil can change neatly, brings very large facility to the replacing in later stage.
Accompanying drawing explanation
Fig. 1 is the structural representation of radial multilayer formula magnetic rheological clutch described in the utility model.
Fig. 2 is the sectional view along A-A line in Fig. 1.
Fig. 3 is the partial enlarged drawing of part B in Fig. 2.
In figure: 1-output shaft; 2a-rolling bearing I; 2b-rolling bearing II; 3a-seal ring I; 3b-seal ring II; The left dish of 4-; 5-magnetic flow liquid; 6-flat key; 7-shell; 8-support disk; 9a-rotor I; 9b-rotor II; 9c-rotor III; 9d-rotor IV; 10a-coil I; 10b-coil II; 10c-coil III; 10d-coil IV; 11-input shaft; 12-ladder-shaped sealing ring; 13-bearing (ball) cover; 14-back-up ring; The right dish of 15-; 16a-gap I; 16b-gap II; 16c-gap III; 16d-gap IV; 16e-gap V; 17a-aluminium block I; 17b-aluminium block II; 17c-aluminium block III; 17d-aluminium block IV.
Embodiment
Be described in further detail the utility model below in conjunction with drawings and Examples, but the utility model is not limited to the following examples.
By reference to the accompanying drawings 1, Fig. 2, shown in Fig. 3, described radial multilayer formula magnetic rheological clutch, comprise output shaft (1), left dish (4), shell (7), support disk (8), rotor, magnetic flow liquid (5), coil, right dish (15), aluminium block and input shaft (11), described rotor comprises rotor I (9a), rotor II (9b), rotor III (9c) and rotor IV (9d), described coil comprises coil I (10a), coil II (10b), coil III (10c) and coil IV (10d), described aluminium block comprises aluminium block I (17a), aluminium block II (17b), aluminium block III (17c) and aluminium block IV (17d), described left dish (4), right dish (15) and the shell (7) be arranged between left dish (4) and right dish (15) surround a cavity, described output shaft (1) is fixedly attached to the outer surface of left dish (4),
One end that described input shaft (11) stretches in cavity is rotationally connected by rolling bearing I (2a) and left dish (4), the other end of described input shaft (11) is stretched out cavity and is rotationally connected by rolling bearing II (2b) and right dish (15), the right side of rolling bearing II (2b) is located by bearing (ball) cover (13), and bearing (ball) cover (13) is arranged on input shaft (11) through ladder-shaped sealing ring (12);
The part that described input shaft (11) stretches into cavity is the support disk (8) that connects of useful flat key (6) also, the left side of support disk (8) is located by the shaft shoulder of input shaft (11), the right side of support disk (8) is located by the back-up ring (14) on input shaft (11), and in the right side of support disk (8), radially compartment of terrain is fixed with rotor I (9a), rotor III (9c) and close the rotor II (9b) be located on right dish (15) internal surface with inserting therebetween, rotor IV (9d), similarly, in the left side of support disk (8), radially compartment of terrain is fixed with rotor I (9a), rotor III (9c) and close the rotor II (9b) be located on left dish (4) internal surface with inserting therebetween, rotor IV (9d), described rotor I (9a), rotor II (9b), rotor III (9c), rotor IV (9d) arranges equal even number equably along respective circumferencial direction respectively, the described multiple rotors I (9a) arranged equably along respective circumferencial direction between any two adjacent, multiple rotor II (9b) between any two adjacent, multiple rotor III (9c) between any two adjacent, the adjacent of multiple rotor IV (9d) uses aluminium block I (17a) between any two respectively, aluminium block II (17b), aluminium block III (17c), aluminium block IV (17d) connects, described rotor I (9a), rotor II (9b), rotor III (9c) and rotor IV (9d) are also wound with coil I (10a) respectively, coil II (10b), coil III (10c) and coil IV (10d),
Described rotor I (9a) and rotor II (9b), rotor II (9b) and rotor III (9c), rotor III (9c) and rotor IV (9d) and rotor IV (9d) and input shaft (11), between rotor I (9a) and shell (7), be provided with gap, be provided with magnetic flow liquid (5) in gap, magnetic flow liquid (5) is sealed in cavity by the seal ring I (3a) on input shaft (11) and seal ring II (3b).
When coil is not energized, magnetic flow liquid (5) in gap I (16a), gap II (16b), gap III (16c), gap IV (16d) and gap V (16e) does not all have magnetic fields, the viscosity of magnetic flow liquid (5) is very little, mobility is fine, when input shaft (11) rotates, drive support disk (8) and rotor I (9a), rotor III (9c) freely to rotate in cavity, clutch is in "Off" state.
When coil is electrified, gap I (16a), gap II (16b), gap III (16c), magnetic flow liquid (5) in gap IV (16d) and gap V (16e) will be subject to the effect in magnetic field, class solid is become from liquid, the viscosity of magnetic flow liquid (5) increases, mobility is deteriorated, now input shaft (11), support disk (8), rotor, left dish (4), right dish (15), shell (7), output shaft (1) becomes to be integrated, when input shaft (11) rotates, output shaft (1) will synchronous rotary, state that clutch is in " conjunction ".
Radial multilayer formula magnetic rheological clutch described in this device, be disposed radially multi-layer rotor and coil, circumference arranges multiple rotor and coil, the different numbers of plies can be set according to designing requirement and number obtains different output torques, also different output torques can be obtained by changing axial dimension, the size of electric current output torque can also be controlled in regulating winding.
Finally it should be noted that, the non-detailed portion of the utility model is prior art, therefore the utility model is not described in detail.This embodiment only illustrates the utility model and unrestricted using scope of the present utility model for better explaining.It will be understood by those of skill in the art that and the technical solution of the utility model is modified or equivalent replacement, and do not depart from aim of the present utility model and scope, all should be encompassed in the middle of protection domain of the present utility model.
Claims (7)
1. radial multilayer formula magnetic rheological clutch, it is characterized in that: comprise output shaft (1), left dish (4), shell (7), support disk (8), rotor, magnetic flow liquid (5), coil, right dish (15), aluminium block and input shaft (11), described rotor comprises rotor I (9a), rotor II (9b), rotor III (9c) and rotor IV (9d), described coil comprises coil I (10a), coil II (10b), coil III (10c) and coil IV (10d), described aluminium block comprises aluminium block I (17a), aluminium block II (17b), aluminium block III (17c) and aluminium block IV (17d), described left dish (4), right dish (15) and the shell (7) be arranged between left dish (4) and right dish (15) surround a cavity, described output shaft (1) is fixedly attached to the outer surface of left dish (4),
One end that described input shaft (11) stretches in cavity is rotationally connected by rolling bearing I (2a) and left dish (4), the other end of described input shaft (11) is stretched out cavity and is rotationally connected by rolling bearing II (2b) and right dish (15), the right side of rolling bearing II (2b) is located by bearing (ball) cover (13), and bearing (ball) cover (13) is arranged on input shaft (11) through ladder-shaped sealing ring (12);
The part that described input shaft (11) stretches into cavity is the support disk (8) that connects of useful flat key (6) also, the left side of support disk (8) is located by the shaft shoulder of input shaft (11), the right side of support disk (8) is located by the back-up ring (14) on input shaft (11), and in the right side of support disk (8), radially compartment of terrain is fixed with rotor I (9a), rotor III (9c) and close the rotor II (9b) be located on right dish (15) internal surface with inserting therebetween, rotor IV (9d), similarly, in the left side of support disk (8), radially compartment of terrain is fixed with rotor I (9a), rotor III (9c) and close the rotor II (9b) be located on left dish (4) internal surface with inserting therebetween, rotor IV (9d), described rotor I (9a), rotor II (9b), rotor III (9c), rotor IV (9d) arranges equal even number equably along respective circumferencial direction respectively, the described multiple rotors I (9a) arranged equably along respective circumferencial direction between any two adjacent, multiple rotor II (9b) between any two adjacent, multiple rotor III (9c) between any two adjacent, the adjacent of multiple rotor IV (9d) uses aluminium block I (17a) between any two respectively, aluminium block II (17b), aluminium block III (17c), aluminium block IV (17d) connects, described rotor I (9a), rotor II (9b), rotor III (9c) and rotor IV (9d) are also wound with coil I (10a) respectively, coil II (10b), coil III (10c) and coil IV (10d),
Described rotor I (9a) and rotor II (9b), rotor II (9b) and rotor III (9c), rotor III (9c) and rotor IV (9d) and rotor IV (9d) and input shaft (11), between rotor I (9a) and shell (7), be provided with gap, be provided with magnetic flow liquid (5) in gap, magnetic flow liquid (5) is sealed in cavity by the seal ring I (3a) on input shaft (11) and seal ring II (3b).
2. radial multilayer formula magnetic rheological clutch as claimed in claim 1, is characterized in that: described rotor is at the left side of support disk (8) and left dish (4) internal surface, radially arrange one or more layers in compartment of terrain in the right side of support disk (8) and right dish (15) internal surface.
3. radial multilayer formula magnetic rheological clutch as claimed in claim 1, it is characterized in that: the sectional shape of described rotor I (9a) is similar to I shape, described rotor II (9b), rotor III (9c), rotor IV (9d) have similar structure to rotor I (9a).
4. radial multilayer formula magnetic rheological clutch as claimed in claim 1, it is characterized in that: the sectional shape of described aluminium block I (17a) is similar to trapezoidal, described aluminium block II (17b), aluminium block III (17c), aluminium block IV (17d) have similar structure to aluminium block I (17a).
5. radial multilayer formula magnetic rheological clutch as claimed in claim 1, is characterized in that: described along same radial direction interleave the rotor I (9a) of cooperation, rotor II (9b), rotor III (9c), the upper corresponding coil I (10a) of rotor IV (9d), coil II (10b), coil III (10c), coil IV (10d) around to identical.
6. radial multilayer formula magnetic rheological clutch as claimed in claim 1, is characterized in that: the coil III (10c) on the coil I (10a) on adjacent two of the described multiple rotors I (9a) arranged equably along respective circumferencial direction, coil II (10b) on adjacent two of multiple rotor II (9b), multiple rotor III (9c) adjacent two, coil IV (10d) on adjacent two of multiple rotor IV (9d) around on the contrary.
7. radial multilayer formula magnetic rheological clutch as claimed in claim 1, it is characterized in that: described aluminium block I (17a), aluminium block II (17b), aluminium block III (17c), aluminium block IV (17d) are non-magnet_conductible material, rotor I (9a), rotor II (9b), rotor III (9c), rotor IV (9d), shell (7), left dish (4), right dish (15) and input shaft (11) are permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203768.9U CN204572848U (en) | 2015-04-08 | 2015-04-08 | Radial multilayer formula magnetic rheological clutch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203768.9U CN204572848U (en) | 2015-04-08 | 2015-04-08 | Radial multilayer formula magnetic rheological clutch |
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| CN204572848U true CN204572848U (en) | 2015-08-19 |
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| CN201520203768.9U Active CN204572848U (en) | 2015-04-08 | 2015-04-08 | Radial multilayer formula magnetic rheological clutch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776132A (en) * | 2015-04-08 | 2015-07-15 | 四川大学 | Radial multilayer type magneto-rheological clutch |
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2015
- 2015-04-08 CN CN201520203768.9U patent/CN204572848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776132A (en) * | 2015-04-08 | 2015-07-15 | 四川大学 | Radial multilayer type magneto-rheological clutch |
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