CN203868180U - Communicated magneto-rheological clutch - Google Patents
Communicated magneto-rheological clutch Download PDFInfo
- Publication number
- CN203868180U CN203868180U CN201420322824.6U CN201420322824U CN203868180U CN 203868180 U CN203868180 U CN 203868180U CN 201420322824 U CN201420322824 U CN 201420322824U CN 203868180 U CN203868180 U CN 203868180U
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- China
- Prior art keywords
- input shaft
- groove
- utmost point
- dish
- cavity
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- 239000007788 liquid Substances 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a communicated magneto-rheological clutch. The communicated magneto-rheological clutch comprises a casing, an input shaft and an output shaft; an empty chamber is formed in the casing; the input shaft is in rotating connection with one end of the casing; the output shaft is fixedly connected with the other end of the casing; the middle left portion of one input shaft end which extends into the empty chamber is provided with at least two left protruding strips which protrude along the radial direction; the middle right portion of the input shaft end which extends into the empty chamber is provided with at least two right protruding strips which protrude along the radial direction; the left protruding strips and the right protruding strips are arranged along the excircle of the input shaft in a staggered mode; the casing comprises a left plate, a left pole, a right pole and a right plate which are fixed into a whole; an annular groove which is provided with a coil is formed between the left pole and the right pole; a communicated U-shaped groove is formed in the left pole and the right pole; each end of the U-shaped groove is provided with a piston; the magneto-rheological fluid is arranged between the two pistons. According to the communicated magneto-rheological clutch, the integral casing and the output shaft can rotate through the pistons and the protruding strips arranged on the input shaft after the magneto-rheological fluid is changed into a solid state under the action of the magnetic field of the coil, a plurality of U-shaped grooves can be set according to loads so as to improve the output torque, and accordingly the degree of automation is high, the reliability is high, and the clutch is simple and reliable in control.
Description
Technical field
This practicality relates to connection magnetic rheological clutch.
Background technique
Advantages such as magnetic flow liquid is low with its response fast (Millisecond), energy consumption, be easy to control, serviceability is good, operating temperature range is wide, long service life and be widely used in Aero-Space/machining/precision engineering/building/fields such as medical treatment.
Magnetic rheological clutch is by the control of additional magnetic intensity being realized to clutch combination, separation function, even can realize the stepless variation control that moment of torsion transmits.It is easy to wear that it has overcome conventional clutch, the shortcomings such as noise is large, in rapid 10 milliseconds of, machinery-free wearing and tearing simple in structure with it, low noise, response, energy consumption is not high, can realize stepless speed regulation and be more conducive to be combined with computer technology and realize the broad research that the advantages such as intelligent control have caused Chinese scholars and industrial quarters, make remarkable progress in recent years.But problem that Shear Yield Stress of Magnetorheological Fluids is not enough is just perplexing the development of magnetic flow liquid material and technology from magnetic converting technique is during birthday always, magnetic rheological clutch according to existing Shear Yield Stress of Magnetorheological Fluids design, because its transmitting torque is compared with little and bulky, cannot meet industrial requirement.
Summary of the invention
This practical purpose is to provide connection magnetic rheological clutch, can effectively solve existing clutch with magnetic rheologic liquid and can only adopt shear mode work, the low problem of transmission torque.
In order to solve the problems of the technologies described above, this practicality is achieved through the following technical solutions: be communicated with magnetic rheological clutch, in comprising, establish the housing of cavity, be rotationally connected with housing one end and the input shaft in cavity, the output shaft being fixedly connected with the housing the other end are stretched in one end, described input shaft stretches into left part in the one end in cavity and is provided with at least two left raised lines that radially protrude, described input shaft stretches into right part in the one end in cavity and is provided with at least two right raised lines that radially protrude, and described left raised line and right raised line are crisscross arranged along input shaft cylindrical;
Described housing comprises the left dish being dynamically connected with transfer input shaft, the right dish being fixedly connected with output shaft, be set up in parallel the left utmost point and the right utmost point between left dish and right dish, the described left utmost point and the right side be ring very, described left dish, the left utmost point, the right utmost point and right dish are fixed as one, between the described left utmost point and the right utmost point, have the annular groove that coil is set, it is described that left to have at least one cross section on be extremely L shaped left groove, described in each, in left groove, be provided with the left piston that in the one end in stretching into cavity with input shaft, left part contacts, described right having on extremely equates with left groove quantity and cross section is anti-L shaped right groove, described in each, in right groove, be provided with the right piston that in the one end in stretching into cavity with input shaft, right part contacts, described left groove is communicated with formation U-groove bevel with right groove, in U-groove bevel between described left piston and right piston, be provided with magnetic flow liquid.
Preferably, described left raised line is consistent with right raised line cross section, is all semicircle or triangle or quadrilateral; At clutch, during in off working state, be convenient to touch reciprocating motion of the pistons, can be not stuck, when clutch is in running order, can give the enough Driving forces of piston again.
Preferably, between described input shaft and left dish, by left bearing, be connected, the part that described input shaft is positioned at cavity is provided with the step that blocks left bearing inner ring, on described left dish, is also provided with the end cap that seals left bearing, and described end cap is provided with the flange collar of blocking left bearing outer ring; One end of described input shaft is also rotationally connected by right bearing with right dish; Be convenient to the fixing of input shaft, work that can be steady in a long-term.
Compared with prior art, this practical advantage is: this device utilizes U-groove bevel to be communicated with to control the motion of two pistons, magnetic flow liquid be subject to coil magnetic field effect become solid-state after, effect by raised line on piston and input shaft makes whole housing and output shaft rotation, can set the moment of torsion that a plurality of U-groove bevels improve output according to the situation of load, automaticity is high, and reliability high clutch is controlled simple and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation that this practicality is communicated with magnetic rheological clutch;
Fig. 2 is the schematic diagram of A-A sectional view clutch when off working state in Fig. 1;
Fig. 3 is schematic diagram when A-A sectional view clutch is in running order in Fig. 1.
Embodiment
Consult Fig. 1 for the embodiment of this practicality connection magnetic rheological clutch, be communicated with magnetic rheological clutch, in comprising, establish the housing of cavity 19, be rotationally connected with housing one end and the input shaft 1 in cavity 19, the output shaft 12 being fixedly connected with the housing the other end are stretched in one end, described input shaft 1 stretches into left part in the one end in cavity 19 and is provided with at least two left raised lines 15 that radially protrude, described input shaft 1 stretches into right part in the one end in cavity 19 and is provided with at least two right raised lines 16 that radially protrude, and described left raised line 15 and right raised line 16 are crisscross arranged along input shaft 1 cylindrical; Described left raised line 15 is consistent with right raised line 16 cross sections, is all semicircle or triangle or quadrilateral.
Described housing comprises the left dish 4 being rotationally connected with input shaft 1, the right dish 7 being fixedly connected with output shaft 12, be set up in parallel the left utmost point 5 and the right utmost point 6 between left dish 4 and right dish 7, the described left utmost point 5 and the right utmost point 6 are ring, described left dish 4, the left utmost point 5, the right utmost point 6 and right dish 7 are fixed as one, between the described left utmost point 5 and the right utmost point 6, have the annular groove 20 that coil 13 is set, on the described left utmost point 5, having at least one cross section is L shaped left groove 21, described in each, in left groove 21, be provided with the left piston 3 that in the one end in stretching into cavity 19 with input shaft 1, left part contacts, on the described right utmost point 6, have and equate with left groove 21 quantity and cross section is anti-L shaped right groove 22, described in each, in right groove 22, be provided with the right piston 10 that in the one end in stretching into cavity 19 with input shaft 1, right part contacts, described left groove 21 is communicated with formation U-groove bevel 23 with right groove 22, in U-groove bevel 23 between described left piston 3 and right piston 10, be provided with magnetic flow liquid 9.
Between described input shaft 1 and left dish 4, by left bearing 24, be connected, the part that described input shaft 1 is positioned at cavity 19 is provided with the step 26 that blocks left bearing 24 inner rings, on described left dish 4, be also provided with the end cap 2 that seals left bearing 24, described end cap 2 is provided with the flange collar 27 of blocking left bearing 24 outer rings; One end of described input shaft 1 is also rotationally connected by right bearing 25 with right dish 7.
As shown in Figure 2, coil 13 is not in the situation that energising is without magnetic field, magnetic flow liquid 9 is liquid, when left raised line 15 contacts with left piston 3, left piston 3 promotes the magnetic flow liquid 9 in U-groove bevel 23 under the effect of left raised line 15, because of liquid incompressibility, right piston 10 stretches out downwards under the effect of magnetic flow liquid 9, and the trench degree of depth between adjacent two right raised lines 16 is greater than or equals the length that right piston 10 stretches out downwards.When right piston 10 moves downward left piston 3 under right raised line 16 effects, go round and begin again on the contrary, clutch is in off working state.
As shown in Figure 3, in coil 13 energisings, produce behind magnetic field, magnetic flow liquid 9 in U-groove bevel 23 is subject to magnetic fields, from liquid moment, become class solid-state, U-groove bevel 23 is blocked, now left and right piston 10 stop motions, piston is in stuck state, left raised line 15 will head on left piston 3 or right raised line 16 heads on right raised line 16 drive housings rotations, thereby makes output shaft 12 start to rotate.
This device utilizes U-groove bevel 23 to be communicated with the motion of controlling two pistons, magnetic flow liquid 9 be subject to coil 13 magnetic fields become solid-state after, effect by raised line on piston and input shaft 1 is rotated whole housing and output shaft 12, can set a plurality of U-groove bevels 23 according to the situation of load and improve the moment of torsion of output, automaticity is high, and reliability high clutch is controlled simple and reliable.
The foregoing is only this practical specific embodiment, but this practical technical characteristics is not limited to this, any those skilled in the art is in this practical field, and the variation of doing or modification are all encompassed among this practical the scope of the claims.
Claims (3)
1. be communicated with magnetic rheological clutch, it is characterized in that: the housing of establishing cavity (19) in comprising, be rotationally connected with housing one end and the input shaft (1) in cavity (19) is stretched in one end, the output shaft (12) being fixedly connected with the housing the other end, described input shaft (1) stretches into left part in the one end in cavity (19) and is provided with at least two left raised lines (15) that radially protrude, described input shaft (1) stretches into right part in the one end in cavity (19) and is provided with at least two right raised lines (16) that radially protrude, described left raised line (15) and right raised line (16) are crisscross arranged along input shaft (1) cylindrical,
Described housing comprises the left dish (4) being rotationally connected with input shaft (1), the right dish (7) being fixedly connected with output shaft (12), be set up in parallel the left utmost point (5) and the right utmost point (6) between left dish (4) and right dish (7), the described left utmost point (5) and the right utmost point (6) are ring, described left dish (4), the left utmost point (5), the right utmost point (6) and right dish (7) are fixed as one, between the described left utmost point (5) and the right utmost point (6), have the annular groove (20) that coil (13) are set, on the described left utmost point (5), having at least one cross section is L shaped left groove (21), described in each, in left groove (21), be provided with the left piston (3) that in the one end in stretching into cavity (19) with input shaft (1), left part contacts, on the described right utmost point (6), have and equate with left groove (21) quantity and cross section is anti-L shaped right groove (22), described in each, in right groove (22), be provided with the right piston (10) that in the one end in stretching into cavity (19) with input shaft (1), right part contacts, described left groove (21) is communicated with formation U-groove bevel (23) with right groove (22), in U-groove bevel (23) between described left piston (3) and right piston (10), be provided with magnetic flow liquid (9).
2. connection magnetic rheological clutch as claimed in claim 1, is characterized in that: described left raised line (15) is consistent with right raised line (16) cross section, is all semicircle or triangle or quadrilateral.
3. connection magnetic rheological clutch as claimed in claim 1, it is characterized in that: between described input shaft (1) and left dish (4), by left bearing (24), be connected, the part that described input shaft (1) is positioned at cavity (19) is provided with the step (26) that blocks left bearing (24) inner ring, on described left dish (4), be also provided with the end cap (2) that seals left bearing (24), described end cap (2) is provided with the flange collar (27) of blocking left bearing (24) outer ring; One end of described input shaft (1) is also rotationally connected by right bearing (25) with right dish (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322824.6U CN203868180U (en) | 2014-06-11 | 2014-06-11 | Communicated magneto-rheological clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322824.6U CN203868180U (en) | 2014-06-11 | 2014-06-11 | Communicated magneto-rheological clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868180U true CN203868180U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322824.6U Expired - Lifetime CN203868180U (en) | 2014-06-11 | 2014-06-11 | Communicated magneto-rheological clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019153A (en) * | 2014-06-11 | 2014-09-03 | 浙江师范大学 | Communication magnetorheological fluid clutch |
-
2014
- 2014-06-11 CN CN201420322824.6U patent/CN203868180U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019153A (en) * | 2014-06-11 | 2014-09-03 | 浙江师范大学 | Communication magnetorheological fluid clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |