CN205331267U - Magnetic current becomes double clutch - Google Patents
Magnetic current becomes double clutch Download PDFInfo
- Publication number
- CN205331267U CN205331267U CN201521100401.0U CN201521100401U CN205331267U CN 205331267 U CN205331267 U CN 205331267U CN 201521100401 U CN201521100401 U CN 201521100401U CN 205331267 U CN205331267 U CN 205331267U
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- Prior art keywords
- clutch
- plate
- interior
- power shaft
- cylinder
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims description 43
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005755 formation reaction Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 13
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000005284 excitation Effects 0.000 abstract 4
- 239000000725 suspension Substances 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 description 9
- 238000011068 load Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a magnetic current becomes double clutch, including input mechanism, interior separation and reunion output mechanism and outer separation and reunion output mechanism. Be provided with annular interior initiative clutch -plate of circle and outer initiative clutch -plate on the input mechanism, interior separation and reunion output mechanism includes first cavity, interior driven clutch -plate and interior separation and reunion excitation coil, outer separation and reunion output mechanism includes the second cavity, outer driven clutch -plate and outer separation and reunion excitation coil, can make the magnetorheological suspensions variability in first cavity or the second cavity after interior separation and reunion excitation coil or the circular telegram of outer separation and reunion excitation coil, thereby make the input mechanism transmit the moment of torsion for interior separation and reunion output mechanism or outer separation and reunion output mechanism. The utility model discloses in using car double clutch's design with magnetorheological suspensions, utilize the characteristics that magnetorheological suspensions is quick to the incoming signal response and showing, realize high efficiency, the accurate control with the combination to clutch release.
Description
Technical field
This utility model relates to automotive transmission technical field, particularly to a kind of double clutch being filled with magnetic flow liquid。
Background technology
Magnetic flow liquid is a kind of typical field control intellectual material, and it can be changed into rapidly the quasi-plastic property solid of high viscosity, lazy flow under additional the action of a magnetic field from liquid。Magnetic rheological clutch is the magnetic flow liquid practical application in automotive transmission field。Magnetic rheological clutch is according to magnetic flow liquid constitutive equation, utilizes magnetic flow liquid shear stress under magnetic field to transmit power between active and passive part。Under the influence of a magnetic field, magnetic flow liquid can be changed into Bingham plastic body from Newtonian fluid in millisecond, and viscosity increases with the order of magnitude。The shearing resistance yield stress of material also increases with the increase of applied field strengths。Therefore, it can control clutch by externally-applied magnetic field。
Utility model content
This utility model has designed and developed a kind of magnetorheological double clutch, purpose is to overcome that magnetic rheological clutch transmission efficiency in prior art is poor, the defect of poor heat radiation, by the change of control coil electric current, change the torque of transmission, it is achieved to clutch separation and combination efficient, accurately control。
Another purpose of the present utility model is to solve magnetic flow liquid to be heated the excessive energetically defect of rear chamber, reduces chamber pressure make magnetorheological double clutch stable and reliable in work by compensating cavity volume。
The technical scheme that this utility model provides is:
A kind of magnetorheological double clutch, including:
Power shaft, along the periphery radially extending formation plate-like of described power shaft；It is perpendicular to described periphery in the radially different position of described periphery and is fixedly installed interior active clutch-plate and outer active clutch-plate；Described power shaft is divided into power shaft inner segment and the outer section of power shaft by described periphery；And
Interior clutch output mechanism, it includes the first cylinder, is coaxially fixedly installed the first support annulus in described first cylinder；The bottom surface that described first cylinder and first supports between annulus is closed；Described periphery, described first cylinder and described first support and form the first chamber between annulus；Described first supports that annulus is rotatable is set in described power shaft inner segment；
Interior driven clutch plates, it is fixedly installed on described first cylinder and described first and supports between annulus, and is parallel to described interior active clutch-plate；Described interior driven clutch plates and described interior active clutch-plate are overlapping and have certain interval；
Outer clutch output mechanism, it includes the second cylinder, is coaxially fixedly installed the second support annulus in described second cylinder, and the bottom surface that described second cylinder and second supports between annulus is closed；Described periphery, described second cylinder and described second support and form the second chamber between annulus；Described outer clutch output mechanism is rotatably supported on described interior clutch output mechanism；
Outer driven clutch plates, it is fixedly installed on described second cylinder and described second and supports between annulus, and is parallel to described outer active clutch-plate；Described outer driven clutch plates and described outer active clutch-plate are overlapping and have certain interval；
Wherein, described first chamber and described second chamber are full of magnetic rheological liquid。
Preferably, being provided with spring cavity between described first support annulus and power shaft, it connects described first chamber；It is provided with piston in described spring cavity and supports spring。
Preferably, described interior active clutch-plate and interior driven clutch plates are arranged in the first intracavity alternate intervals, and described outer active clutch-plate and outer driven clutch plates are arranged in the second intracavity alternate intervals。
Preferably, described interior active clutch-plate is provided with four, and described interior driven clutch plates is provided with three, and is actively provided with an interior driven clutch plates between clutch-plate in adjacent two。
Preferably, described outer active clutch-plate is provided with two, and described outer driven clutch plates is provided with one, and described outer driven clutch plates is arranged at two outward actively between clutch-plate。
Preferably, between described input mechanism and outer clutch output mechanism, it is provided with sealing structure, to prevent magnetic flow liquid from revealing。
Preferably, described power shaft inwall being provided with helicla flute, so that producing air flowing when described power shaft rotates, heat being discharged。
Preferably, described first chamber is connected with the second chamber, and the magnetic flow liquid energy of flow is enough to flow between described first chamber and the second chamber。
Preferably, described power shaft upper end is provided with magnetic flow liquid liquid injection port。
The beneficial effects of the utility model are: this utility model provides a kind of magnetorheological double clutch, magnetic flow liquid is applied in the design of automobile double clutch, obtain a kind of magnetorheological double-clutch automatic gearbox, it transmits motor torque by magnetic flow liquid, and this just instead of and traditional utilizes friction plate to transmit torque。Utilize magnetic flow liquid to input signal response quickly and also outstanding feature, it is achieved to clutch separation and combination efficient, accurately control。This utility model controls simple, only need to change the size being carried in clutch coil electric current, can change the size of magnetic induction。Shear Yield Stress of Magnetorheological Fluids can change according to induction level, and this just controls the separation of clutch, sliding wear and combination, eliminates the hydraulic control valve body of complexity。
Accompanying drawing explanation
Fig. 1 is magnetorheological double clutch decomposition view described in the utility model。
Fig. 2 is magnetorheological double clutch population structure sectional view described in the utility model。
Fig. 3 is input mechanism structural representation described in the utility model。
Fig. 4 is interior clutch output mechanism structural representation described in the utility model。
Fig. 5 is outer clutch output mechanism structural representation described in the utility model。
Fig. 6 is the structural representation of spring cavity described in the utility model。
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word。
This utility model provides a kind of magnetorheological double clutch as shown in Figure 1, including input mechanism 110, internal clutch output mechanism 120 and outer clutch output mechanism 130。Input mechanism 110 is connected with automobile engine, as the input of power。Internal clutch output mechanism 120 and outer clutch output mechanism 130 adopt radially nested mode to install。When input mechanism 110 engages with internal clutch output mechanism 120, input mechanism 110 imparts power to internal clutch output mechanism 120, makes power export from internal clutch output mechanism 120；When input mechanism 110 engages with outer clutch output mechanism 130, input mechanism 110 imparts power to outer clutch output mechanism 130, makes power export from outer clutch output mechanism 130。Internal clutch output mechanism 120 and outer clutch output mechanism 130 alternately export power, and when making gearshift, power does not interrupt。
Such as Fig. 2 as it is shown on figure 3, as described in input mechanism include power shaft 111, described power shaft 111 front end is provided with spline, and described power shaft 111 is connected with automobile engine by this spline, for receiving the power that electromotor exports。The active disk 112 radially extending formation plate-like along described power shaft 111。Actively disk 112 and power shaft 111 are coaxially disposed, and they are by being made of one piece。Actively power shaft 111 is divided into power shaft inner segment and the outer section of power shaft by disk 112。Actively the radially different position of disk 112 is perpendicular to described periphery and is fixedly installed interior active clutch-plate 113 and outer active clutch-plate 114, and its China and foreign countries actively clutch-plate 114 is arranged at the outside of actively clutch-plate 113。Interior active clutch-plate 113 and outer active clutch-plate 114 are in circular, and they are coaxial with power shaft 111, and are connected with actively disk 112 is fixing by the mode welded。Interior active clutch-plate 113 and outer active clutch-plate 114 are provided with multiple, and interior active clutch-plate 113 is arranged near the axis of input mechanism, and outer active clutch-plate 114 is positioned at the outside of active clutch-plate 113。
As described in Figure 4, described internal clutch output mechanism includes first support annulus the 121, first cylinder 122, interior clutch telophragma 123, interior clutch output shaft 124, first supports annulus 121 and the first cylinder 122 all in circular, first support annulus the 121, first cylinder 122, interior clutch telophragma 123 and actively disk 112 jointly encircle a city the first cavity 125, in the first cavity 125, be filled with magnetic flow liquid。Described interior active clutch-plate 113 is arranged in the first cavity 125, and described internal clutch output mechanism also includes interior driven clutch plates 126, and it is circular, is welded on interior clutch telophragma 123, and and active cylinder sheet 113 interval setting。Preferred as one, described interior active clutch-plate 113 is provided with 4, interior driven clutch plates 126 is provided with 3, in each, driven clutch plates 126 is arranged in adjacent two actively between clutch-plate 113, and namely the first cavity 125 is divided into 8 circular annular region by 4 active cylinder sheets 113 and 3 interior driven clutch plates 126。The side of the first cavity 125 is provided with interior clutch magnet exciting coil 127, after described interior clutch magnet exciting coil 127 is energized, magnetic flow liquid in first cavity 125 initially forms chain structure, now input mechanism rotates, by relatively rotating shearing magnetic flow liquid between interior active clutch-plate 113 and interior driven clutch plates 126, interior active clutch-plate 113 and interior driven clutch plates 126 are coupled together transmission torque, makes the power obtained from power shaft 111 pass to internal clutch output mechanism。Described internal clutch output mechanism also includes interior clutch output shaft 124, and described interior clutch output shaft 124 is welded with interior clutch telophragma 123, makes power export from interior clutch output shaft 124, power is delivered in change speed gear box。
As shown in Fig. 2, Fig. 5, described outer clutch output mechanism is linked in the outside of internal clutch output mechanism。Described outer clutch output mechanism includes: the second cylinder 131, second supports annulus 132, outer clutch telophragma 133, outer clutch output shaft 134。Second cylinder 131 and second supports annulus 132 all in circular, and the second cylinder 131, second supports annulus 132, outer clutch telophragma 133 and active disk 112 and jointly encircles a city the second cavity 135。It is filled with magnetic flow liquid in the second cavity 135。Described outer active clutch-plate 114 is arranged in the second cavity 135。Described outer clutch output mechanism also includes outer driven clutch plates 136, and it is circular, is welded on outer clutch telophragma 133, and and outer active clutch-plate 114 interval setting。Preferred as one, preferred as one, described outer active clutch-plate 114 is provided with two, outer driven clutch plates 136 is provided with one, and outer driven clutch plates 136 is outside two actively between clutch-plate 114, namely actively the second cavity 135 is divided into four annular regions by clutch-plate 114 and an outer driven clutch plates 136 outside two。The side of the second cavity 135 is provided with outer clutch magnet exciting coil 137, after described outer clutch magnet exciting coil 137 is energized, magnetic flow liquid in second cavity 135 initially forms chain structure, now input mechanism rotates, by relatively rotating shearing magnetic flow liquid between outer active clutch-plate 114 and outer driven clutch plates 136, outer active clutch-plate 114 and outer driven clutch plates 136 are coupled together transmission torque, makes the power obtained from power shaft 111 pass to outer clutch output mechanism。Described outer clutch output mechanism also includes outer clutch output shaft 134, and outer clutch output shaft 134 is linked in the outside of interior clutch output shaft 124, outer clutch output shaft 134 is provided with spline, transfers power in change speed gear box。
Described magnetorheological double clutch also includes end cap 141, and described end cap 141 is fixed by hexagon socket head cap screw 142 and outer clutch output mechanism。Described power shaft 111 passes from the hole in the middle part of end cap 141, and is provided with bearing 146 between power shaft 111 and end cap 141, so that power shaft 111 can rotate relative to end cap 141。Being provided with lip-type packing 143 in the both sides of active disk 112, be provided with O-ring seals 144 between end cap 141 and outer clutch output mechanism, clutch output mechanism and internal clutch output mechanism are also equipped with O-ring seals 145 outside。By the setting of a series of sealing rings, place the leakage of magnetic flow liquid。
During magnetic rheological clutch work, due to the shear action under high rotating speed, substantial amounts of heat can be given out。The too high performance that can reduce magnetic flow liquid of temperature, and then make torque transfer capability reduce, the normal operation to double clutch that therefore dispels the heat is extremely important。Processing suitable spiral sulculus on the inwall of power shaft 111, such power shaft is equivalent to a little aerofoil fan when rotating, it is possible to the heat within clutch is quickly discharged。
In another embodiment, described first cavity 125 is connected with the second cavity 135, enables the magnetic flow liquid free-flow in the first cavity 125 and the second cavity 135, is conducive to cooling of magnetic flow liquid。
In another embodiment, described power shaft 111 upper end is provided with magnetic flow liquid liquid injection port 118, for being injected in the first cavity 125 and the second cavity from liquid injection port 118 by magnetic flow liquid in 135。
As shown in Figure 6, in another embodiment, it is provided with spring cavity, spring cavity and the first cavity 125 between described first support annulus 121 and power shaft 111 to be connected。It is provided with support spring 147 and piston 148 in described spring cavity, plays the effect compensating the first cavity 125 volume。When clutch works, magnetic flow liquid can generate heat, volumetric expansion simultaneously, makes the pressure in the first cavity 125 raise, and so can the reliability of clutch work be impacted。Due to the existence of spring cavity, the pressure of magnetic flow liquid can be made to act on the upper surface of piston 148, and then compression supports spring 147, makes the space of accommodation magnetic flow liquid increase, thus the pressure reduced in the first cavity 125, improve the reliability of clutch work。Arranged outside at piston 148 has O 149, plays the effect sealing piston 148。
In another embodiment, described support spring 147 has pyrocondensation cold expanding characteristic, and its rigidity reduces along with the rising of temperature。Namely temperature is more high, and the rigidity supporting spring 147 is more little, and magnetic flow liquid is more big to the decrement of spring cavity, more advantageously reduces the pressure in the first cavity 125。The rigidity of described support spring 147 meets with the relation of temperature:
K=2.6 × 103e-0 . 015T
Wherein, K is the rigidity supporting spring 147, and unit is cattle every millimeter；T is temperature, and unit is Kelvin。
When interior clutch magnet exciting coil 127 and outer clutch magnet exciting coil 137 are in off-position, double clutch is released state, first cavity 125 and the second cavity 135 do not have magnetic field, magnetic flow liquid is in Newtonian fluid state, free-flow in gap, double clutch only has the viscous torque of liquid, owing to numerical value is only small, it is possible to ignore。
The work process of the magnetorheological double clutch that this utility model provides is as follows:
When being loaded into electric current in interior clutch magnet exciting coil 127, internal clutch is started working。Now in the first cavity 125, create magnetic field, magnetic-particle in magnetic flow liquid initially forms chain structure, by relatively rotating shearing magnetic flow liquid between interior active clutch 113 and interior driven clutch plates 126, interior active clutch-plate 113 and interior driven clutch plates 126 are coupled together transmission torque。Along with the increase of loading current, the torque of transmission also increases。When loading current is less, clutch is from being segregated into sliding state of rubbing；The electric current loaded is gradually increased, until the torque of clutch transmission is more than the torque of load, clutch has reached the state being completely combined。The combination degree of clutch can be controlled by controlling the size of loading current in interior clutch magnet exciting coil 127。What this time, internal clutch controlled is the corresponding gear being attached thereto, and is usually odd number gear。
The operation principle of outer clutch is identical with the operation principle of internal clutch。When the gear being connected with internal clutch is changed to the gear being connected with outer clutch, the gearshift of change speed gear box combines corresponding gear in advance。Progressively reducing the electric current in clutch magnet exciting coil 127 in internal clutch, increase the electric current in the outer clutch magnet exciting coil 137 of outer clutch, such internal clutch is just gradually disengaged, and outer clutch combines gradually, accomplishes not interrupt power shifting。When outer clutch is completely combined, in interior clutch magnet exciting coil 127, electric current is zero。
Whole shift process controls fairly simple, it is only necessary to the electric current that the magnet exciting coil of two clutches of controlling well passes into。
Although embodiment of the present utility model is disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description。
Claims (9)
1. a magnetorheological double clutch, it is characterised in that including:
Power shaft, along the periphery radially extending formation plate-like of described power shaft；It is perpendicular to described periphery in the radially different position of described periphery and is fixedly installed interior active clutch-plate and outer active clutch-plate；Described power shaft is divided into power shaft inner segment and the outer section of power shaft by described periphery；And
Interior clutch output mechanism, it includes the first cylinder, is coaxially fixedly installed the first support annulus in described first cylinder；The bottom surface that described first cylinder and first supports between annulus is closed；Described periphery, described first cylinder and described first support and form the first chamber between annulus；Described first supports that annulus is rotatable is set in described power shaft inner segment；
Interior driven clutch plates, it is fixedly installed on described first cylinder and described first and supports between annulus, and is parallel to described interior active clutch-plate；Described interior driven clutch plates and described interior active clutch-plate are overlapping and have certain interval；
Outer clutch output mechanism, it includes the second cylinder, is coaxially fixedly installed the second support annulus in described second cylinder, and the bottom surface that described second cylinder and second supports between annulus is closed；Described periphery, described second cylinder and described second support and form the second chamber between annulus；Described outer clutch output mechanism is rotatably supported on described interior clutch output mechanism；
Outer driven clutch plates, it is fixedly installed on described second cylinder and described second and supports between annulus, and is parallel to described outer active clutch-plate；Described outer driven clutch plates and described outer active clutch-plate are overlapping and have certain interval；
Wherein, described first chamber and described second chamber are full of magnetic rheological liquid。
2. magnetorheological double clutch according to claim 1, it is characterised in that being provided with spring cavity between described first support annulus and power shaft, it connects described first chamber；It is provided with piston in described spring cavity and supports spring。
3. magnetorheological double clutch according to claim 1, it is characterised in that described interior active clutch-plate and interior driven clutch plates are arranged in the first intracavity alternate intervals, described outer active clutch-plate and outer driven clutch plates are arranged in the second intracavity alternate intervals。
4. magnetorheological double clutch according to claim 3, it is characterised in that described interior active clutch-plate is provided with four, and described interior driven clutch plates is provided with three, and actively it is provided with an interior driven clutch plates between clutch-plate in adjacent two。
5. magnetorheological double clutch according to claim 3, it is characterised in that described outer active clutch-plate is provided with two, and described outer driven clutch plates is provided with, and described outer driven clutch plates is arranged at outside two actively between clutch-plate。
6. magnetorheological double clutch according to claim 1, it is characterised in that be provided with sealing structure between described input mechanism and outer clutch output mechanism, to prevent magnetic flow liquid from revealing。
7. magnetorheological double clutch according to claim 1, it is characterised in that be provided with helicla flute on described power shaft inwall, discharges heat so that producing air flowing when described power shaft rotates。
8. magnetorheological double clutch according to claim 2, it is characterised in that described first chamber is connected with the second chamber, the magnetic flow liquid energy of flow is enough to flow between described first chamber and the second chamber。
9. magnetorheological double clutch according to claim 1, it is characterised in that described power shaft upper end is provided with magnetic flow liquid liquid injection port。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100401.0U CN205331267U (en) | 2015-12-24 | 2015-12-24 | Magnetic current becomes double clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100401.0U CN205331267U (en) | 2015-12-24 | 2015-12-24 | Magnetic current becomes double clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205331267U true CN205331267U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521100401.0U Expired - Fee Related CN205331267U (en) | 2015-12-24 | 2015-12-24 | Magnetic current becomes double clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205331267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422682A (en) * | 2015-12-24 | 2016-03-23 | 中国人民解放军装甲兵工程学院 | Magnetorheological double clutch |
-
2015
- 2015-12-24 CN CN201521100401.0U patent/CN205331267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422682A (en) * | 2015-12-24 | 2016-03-23 | 中国人民解放军装甲兵工程学院 | Magnetorheological double clutch |
| CN105422682B (en) * | 2015-12-24 | 2019-08-30 | 马鞍山市新桥工业设计有限公司 | A kind of magnetorheological double clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |