CN110005772B - Permanent magnet type magnetorheological fluid transmission device - Google Patents
Permanent magnet type magnetorheological fluid transmission device Download PDFInfo
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- CN110005772B CN110005772B CN201910225257.XA CN201910225257A CN110005772B CN 110005772 B CN110005772 B CN 110005772B CN 201910225257 A CN201910225257 A CN 201910225257A CN 110005772 B CN110005772 B CN 110005772B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
- 239000012530 fluid Substances 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000006247 magnetic powder Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/01—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members characterised by the use of a magnetisable powder or liquid as friction medium between the rotary members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a permanent magnet type magnetorheological fluid transmission device, and belongs to the technical field of mechanical transmission. The permanent magnet type magnetorheological fluid transmission device is characterized in that a driven outer cylinder is arranged between a right end cover and a left end cover, an input shaft penetrates through the right end cover and is respectively connected with the right end cover and the left end cover through a first bearing and a second bearing in a rotating mode, an output shaft which is coaxially arranged with the input shaft is arranged on the outer side of the left end cover, a driving cylinder is arranged on the input shaft between the right end cover and the left end cover, a plurality of magnetic pipe assemblies are arranged in the circumferential direction of the middle portion of the driving cylinder at equal intervals, a gap is reserved between each magnetic pipe assembly and the inner wall of the driven outer cylinder, a closed space is formed between each driving cylinder and the driven outer cylinder through sealing of each sealing assembly in a sealing mode, magnetorheological fluid is filled in the closed space, and a magnetic adjusting mechanism used for adjusting. The invention has the beneficial effects that: the large-torque transmission can be realized, the power loss of the device is low, the magnetic circuit structure is simple, and the control operation is convenient.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a permanent magnet type magnetorheological fluid transmission device.
Background
At present, the mature mechanical power transmission devices mainly include jaw clutches, friction plate clutches, magnetic powder clutches, hydraulic couplers, liquid viscous clutches, and the like. Existing mature mechanical power transmission devices all have more or less defects. The jaw clutch has larger impact when in contact and low required rotating speed when in separation, and can not be used in occasions needing speed regulation; the friction plate type clutch transmits torque by means of friction force between the transmission friction plates, and transmission parts are abraded greatly; the magnetic powder clutch is based on the electromagnetic principle, utilizes the magnetic powder to transmit torque, but needs to rotate in advance before working in order to evenly distribute the magnetic powder, when the transmission is carried out at a higher rotating speed, the transmission torque is easy to fluctuate due to the action of the centrifugal force of the magnetic powder and the like, and meanwhile, the magnetic powder is easy to age and bond, so that the phenomenon that the magnetic powder clutch is blocked and the like is caused; the hydraulic coupler transfers torque by oil, the speed regulation range is small, and the transmission efficiency is low at low speed.
Magnetorheological transmission is a novel power transmission technology developed in the 90 s of the 20 th century, and the transmission theory is based on the rheological effect of the magnetorheological fluid, the magnetorheological fluid is used as a power transmission medium, the shear yield stress of the magnetorheological fluid is changed by adjusting the intensity of an external magnetic field, and the magnitude of transmission torque or rotation speed is further adjusted. The magneto-rheological transmission device is a power transmission device developed by utilizing magneto-rheological transmission technology, has the characteristics of high response speed (generally millisecond level), small abrasion of transmission parts, simple control (stepless regulation of torque or rotating speed can be realized by regulating an external magnetic field), small volume, low control energy consumption, low control voltage, insensitivity to interference of external impurities and the like, is an ideal power transmission device, and has the unique advantages in the aspects of starting, braking, torque regulation, stepless speed regulation, overload safety protection and the like of electromechanical devices. At present, the research and application of magnetorheological devices at home and abroad are mostly concentrated in the field of vibration control of dampers and the like, the research and application of magnetorheological transmission technology is less, mature magnetorheological transmission products are not found at home, only a few commercialized magnetorheological transmission products come out at home and abroad, the introduction is limited by general technical principles, and the key technology of the development process is in the confidentiality stage. In addition, the existing magnetorheological transmission products have small transmission torque, high power loss, complex magnetic circuit structure and inconvenient operation and adjustment, limit the application range of the products and urgently need to research the large-torque transmission technology. Therefore, the research on the magnetorheological transmission technology is developed in China, and the development of magnetorheological products is further promoted in the application direction, so that the magnetorheological transmission device has great practical significance.
Disclosure of Invention
The invention aims to provide a permanent magnet type magnetorheological fluid transmission device, which solves the technical problems of small transmission torque, high power loss, complex magnetic circuit structure and inconvenient operation and adjustment of the existing magnetorheological transmission product.
The invention provides a permanent magnet type magnetorheological fluid transmission device which comprises a right end cover, a left end cover, a driven outer cylinder, an input shaft and an output shaft, wherein the driven outer cylinder is arranged between the right end cover and the left end cover, the input shaft penetrates through the right end cover and is respectively connected with the right end cover and the left end cover in a rotating mode through a first bearing and a second bearing, the output shaft which is coaxial with the input shaft is arranged on the outer side of the left end cover, a driving cylinder is arranged on the input shaft between the right end cover and the left end cover, a plurality of magnetic pipe assemblies are arranged in the middle of the driving cylinder in the circumferential direction at equal intervals, gaps are reserved between the magnetic pipe assemblies and the inner wall of the driven outer cylinder, a closed space is formed between the driving cylinder and the driven outer cylinder through sealing assemblies in a sealing; the magnetic tube assembly comprises a permanent magnet, a steering column, a magnetic adjusting tube and a liquid-isolating sleeve, the permanent magnet is in a shape of a cylinder formed by cutting two opposite ends of the side surface of the cylinder by planes, the permanent magnet is connected with the steering column and coaxially arranged with the steering column, the magnetic adjusting tube comprises a pair of magnetic conductive sheets and a pair of non-magnetic conductive sheets, the magnetic conductive sheets and the non-magnetic conductive sheets are both in arc structures, the magnetic conductive sheets and the non-magnetic conductive sheets are arranged at intervals and jointly spliced to form the magnetic adjusting tube, the magnetic adjusting tube is wrapped outside the permanent magnet, the steering column is exposed out of the magnetic adjusting tube, the liquid-isolating sleeve is wrapped outside the magnetic adjusting tube; and a magnetic adjusting mechanism for adjusting the rotation of the steering column is arranged on the input shaft and close to the left end cover.
Further, the magnetic adjusting mechanism comprises a steering engine assembling seat, a steering engine, a gear, a series sleeve, an intermediate sleeve, a gear ring and a connecting rod, the steering engine assembling seat is arranged on the input shaft and close to the left end cover, a rotating shaft which is coaxially arranged with the input shaft is arranged on the steering engine assembling seat, the rotating shaft is assembled and connected with an inner ring of a second bearing, the steering engine is arranged on the steering engine assembling seat, the gear is assembled on an output shaft of the steering engine, the series sleeve is rotatably connected on the input shaft, the gear ring is connected to the left end of the series sleeve through the intermediate sleeve, the gear is meshed with the gear ring, the right end of the series sleeve is rotatably connected with one end of the connecting rod, and the other.
Furthermore, a groove matched with the permanent magnet in shape is formed in one end of the steering column, the permanent magnet is embedded into the groove, and one end of the steering column is spliced with the permanent magnet to form a cylindrical structure.
Furthermore, the input shaft is connected with a steering engine assembling seat through an outer sleeve, and the steering engine, the gear, the series sleeve, the middle sleeve, the gear ring and the connecting rod are all positioned in the outer sleeve.
Further, the steering wheel is through the cable junction power, first wire guide is seted up to the left end of input shaft, the second wire guide is seted up to the right-hand member of input shaft, set up the wire casing of first wire guide of intercommunication and second wire guide in the input shaft, the position that the left end of input shaft is close to first wire guide sets up first via hole sliding ring, the position that the right-hand member of input shaft is close to the second wire guide sets up second via hole sliding ring, the cable passes first via hole sliding ring in proper order, first wire guide, the wire casing, second wire guide and second via hole sliding ring.
Further, the sealing assembly comprises a magnetic pipe sealing cover and a large sealing ring, the magnetic pipe sealing cover is arranged at the joint of the liquid separation sleeve and the driving cylinder, the large sealing ring is arranged on the inner wall of the driven outer cylinder, and the large sealing ring is connected with the driving cylinder in a sliding mode.
Further, the permanent magnet is made of neodymium iron boron materials.
Further, the magnetic conductive sheet is made of an iron material.
Further, the non-magnetic conductive sheet is made of an aluminum material.
Further, the steering column is made of an iron material.
Compared with the prior art, the permanent magnet type magnetorheological fluid transmission device has the following characteristics and advantages:
the permanent magnet type magnetorheological fluid transmission device has the advantages of simple and compact structure, adoption of the permanent magnet structural design, simpler magnetic circuit structure, lower cost investment, realization of large-torque transmission, lower power loss of the device, reduction of self heating, change of the distribution of a flow field and a magnetic field, and reinforcement of a local magnetic field, thereby improving the anti-shearing capacity of the magnetorheological fluid, realizing the stepless regulation of the output rotating speed by 0-100% in the running process of the device, being convenient for control and operation, stable in running, safe and reliable.
The features and advantages of the present invention will become more apparent from the detailed description of the invention when taken in conjunction with the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an assembly diagram of a permanent magnet magnetorheological fluid transmission device according to an embodiment of the invention;
fig. 2 is a cross-sectional view of a permanent magnet magnetorheological fluid transmission device according to an embodiment of the invention, and the left and right positions of the device in fig. 2 and 1 are reversed;
fig. 3 is a first schematic view of the permanent magnet magnetorheological fluid transmission device according to the embodiment of the invention after a part of the structure is removed;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a schematic view of a permanent magnet magnetorheological fluid transmission device according to an embodiment of the present invention, after a part of the structure is removed, and fig. 5 is compared with fig. 3, and further shows a steering engine, a gear ring, and an outer sleeve;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is a schematic diagram of the magnetic adjustment control of the permanent magnet magnetorheological fluid transmission device according to the embodiment of the invention;
fig. 8 is a perspective view of a magnet tube assembly of a permanent magnet magnetorheological fluid drive apparatus in accordance with an embodiment of the present invention;
FIG. 9 is a cross-sectional view of FIG. 8;
fig. 10 is a perspective view of a steering column of a permanent magnet magnetorheological fluid actuator in accordance with an embodiment of the present invention;
wherein,
1. the steering engine comprises an output shaft, 2, a steering engine assembling seat, 3, a second bearing, 4, a driven outer cylinder, 5, a steering engine fixing rod, 6, a steering engine, 7, a gear, 8, a first through hole slip ring fixing rod, 9, a gear ring, 10, a first through hole slip ring, 11, a middle sleeve, 12, an outer sleeve, 13, a third wire guide hole, 14, a first wire guide hole, 15, a series sleeve, 16, a steering column, 17, a connecting rod, 18, a permanent magnet, 19, a left magnetic pipe sealing cover, 20, a left large sealing ring, 21, a magnetic conductive sheet, 22, a non-magnetic conductive sheet, 23, an input shaft, 24, a right magnetic pipe sealing cover, 25, a sealing ring sleeve, 26, a right end cover, 27, a right large sealing ring 28, a first bearing, 29, a baffle ring, 30, a bearing end cover, 31, a second wire guide hole, 32, a second through hole slip ring, 33, a driving cylinder.
Detailed Description
As shown in fig. 1 to 10, in the present embodiment, a driven outer cylinder 4 is disposed between a right end cover 26 and a left end cover 34, an input shaft 23 passes through the right end cover 26, the input shaft 23 is rotatably connected to the right end cover 26 and the left end cover 34 through a first bearing 28 and a second bearing 3, respectively, and a bearing end cover 30 is disposed outside the first bearing 28. The output shaft 1 is arranged outside the left end cover 34, and the output shaft 1 is arranged coaxially with the input shaft 23. A drive cylinder 33 is provided on the input shaft 23 at a portion between the right end cover 26 and the left end cover 34. A plurality of magnet tube assemblies are arranged at equal intervals in the circumferential direction of the middle portion of the driving cylinder 33. A gap is reserved between the magnetic pipe assembly and the inner wall of the driven outer cylinder 4, a closed space is formed between the driving cylinder 33 and the driven outer cylinder 4 through sealing of the sealing assembly, and magnetorheological fluid is filled in the closed space.
The magnet tube assembly includes a permanent magnet 18, a steering column 16, a magnet adjusting tube, and a liquid-proof sleeve. The permanent magnet 18 is shaped like a cylinder formed by cutting two opposite ends of the side surface of the cylinder by planes, and the permanent magnet 18 is connected with the steering column 16 and is coaxially arranged. Wherein, the recess with permanent magnet 18 shape fit is seted up to the one end of steering column 16, embeds permanent magnet 18 in the recess, and the one end of steering column 16 splices into the cylinder structure with permanent magnet 18. The magnetic regulating tube comprises a pair of magnetic conductive sheets 21 and a pair of non-magnetic conductive sheets 22, the magnetic conductive sheets 21 and the non-magnetic conductive sheets 22 are both arc-shaped structures, and the magnetic conductive sheets 21 and the non-magnetic conductive sheets 22 are arranged at intervals and are spliced together to form the magnetic regulating tube. The permanent magnet 18 is wrapped by a magnetism adjusting pipe, the steering column 16 is exposed out of the magnetism adjusting pipe, the magnetism adjusting pipe is wrapped by a liquid isolating sleeve, and two ends of the liquid isolating sleeve are connected with the driving cylinder 33. In this embodiment, the permanent magnet 18 is made of neodymium iron boron, the magnetic conductive plate 21 is made of iron, the non-magnetic conductive plate 22 is made of aluminum, and the steering column 16 is made of iron.
A magnetic adjusting mechanism is arranged on the input shaft 23 and close to the left end cover 34, and the magnetic adjusting mechanism is used for adjusting the rotation of the steering column 16. The magnetic adjusting mechanism comprises a steering engine assembling seat 2, a steering engine 6, a gear 7, a series sleeve 15, a middle sleeve 11, a gear ring 9 and a connecting rod 17. And a steering engine assembling seat 2 is arranged on the input shaft 23 and close to the left end cover 34, a rotating shaft 35 which is coaxially arranged with the input shaft 23 is arranged on the steering engine assembling seat 2, and the rotating shaft 35 is assembled and connected with an inner ring of the second bearing 3. A steering engine 6 is assembled on the steering engine assembling seat 2 through a steering engine fixing rod 5, a gear 7 is assembled on an output shaft of the steering engine 6, a series sleeve 15 is rotatably connected on an input shaft 23, the left end of the series sleeve 15 is connected with a gear ring 9 through a middle sleeve 11, and the gear 7 is meshed with the gear ring 9. The right end of the series sleeve 15 is rotatably connected with one end of a connecting rod 17, and the other end of the connecting rod 17 is rotatably connected with the non-axial center position of the end surface of the steering column 16.
The input shaft 23 is connected with the steering engine assembling seat 2 through the outer sleeve 12, and the steering engine 6, the gear 7, the series sleeve 15, the middle sleeve 11, the gear ring 9 and the connecting rod 17 are all positioned inside the outer sleeve 12. The outer sleeve 12 serves on the one hand for the connection of the input shaft 23 to the steering engine mounting block 2 and on the other hand for protecting the components located inside it.
The sealing assembly comprises magnetic tube sealing covers (a left magnetic tube sealing cover 19 and a right magnetic tube sealing cover 24) and large sealing rings (a left large sealing ring 20 and a right large sealing ring 27). A left magnetic pipe sealing cover 19 is arranged at the joint of the liquid separation sleeve and the left end of the driving cylinder 33, a right magnetic pipe sealing cover 24 is arranged at the joint of the liquid separation sleeve and the right end of the driving cylinder 33, a left large sealing ring 20 is arranged at the left end of the inner wall of the driven outer cylinder 4, a right large sealing ring 27 is arranged at the right end of the inner wall of the driven outer cylinder 4, and the left large sealing ring 20 and the right large sealing ring 27 are both connected with the driving cylinder 33 in a sliding mode.
A retainer ring 29 is provided on the input shaft 23 inside the first bearing 28, and a seal ring sleeve 25 is provided on the input shaft 23 inside the retainer ring 29. The side surface of the sealing ring sleeve 25 is attached to the right large sealing ring 27, and the end surface of the sealing ring sleeve 25 is attached to the right magnetic tube sealing cover 24. The retainer ring 29 is used for axial positioning, and the sealing ring sleeve 25 realizes secondary sealing.
The operation process of the permanent magnet type magnetorheological fluid transmission device of the embodiment is as follows: the motor output rotating shaft is connected with the input shaft 23, the steering engine 6 is controlled to be started to drive the gear 7 to rotate, the gear 7 rotates to drive the gear ring 9 to rotate and drive the series sleeve 15 to rotate, the series sleeve 15 drives the steering column 16 to rotate through the connecting rod 17, and the steering column 16 further drives the permanent magnet 18 to rotate for a certain angle relative to the magnetic adjusting pipe (the magnetic conductive sheet 21 and the non-magnetic conductive sheet 22), so that the magnetic field intensity in the magnetorheological fluid is adjusted. Under the action of different magnetic field strengths, the shear yield strengths of the magnetorheological fluid are different. When the magnetic field intensity is lower, the motor is started, and the input shaft 23 drives the driving cylinder 33 and the magnetic tube component to synchronously rotate. The magnetic tube assembly rotates about the input shaft 23 to agitate the magnetorheological fluid. When the magnetic field intensity is higher, the magnetorheological fluid generates a rheological effect under the influence of the magnetic field of the permanent magnet 18, the driving cylinder 33 drives the driven outer cylinder 4 to rotate through the magnetorheological fluid, and the torque is transmitted to the left end cover 34 until the output shaft 1, so that the purpose of transmission is finally achieved. In the running process of the device, the rotation angle of the steering engine 6 is controlled, the permanent magnet 18 is adjusted to rotate a certain angle relative to the magnetic exchange tube (the magnetic conductive sheet 21 and the non-magnetic conductive sheet 22), and the magnetic field intensity in the magnetorheological fluid is adjusted, so that the device can transmit different torque values.
The permanent magnet type magnetorheological fluid transmission device has the advantages of simple and compact structure, adoption of the permanent magnet structural design, simpler magnetic circuit structure, lower cost investment, realization of large-torque transmission, lower power loss of the device, reduction of self heating, change of the distribution of a flow field and a magnetic field, and reinforcement of a local magnetic field, thereby improving the anti-shearing capacity of the magnetorheological fluid, realizing the stepless regulation of the output rotating speed by 0-100% in the running process of the device, being convenient for control and operation, stable in running, safe and reliable.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. A permanent magnet type magnetorheological fluid transmission device is characterized in that: the magnetorheological fluid generator comprises a right end cover, a left end cover, a driven outer barrel, an input shaft and an output shaft, wherein the driven outer barrel is arranged between the right end cover and the left end cover, the input shaft penetrates through the right end cover and is respectively connected with the right end cover and the left end cover in a rotating mode through a first bearing and a second bearing, the output shaft which is coaxially arranged with the input shaft is arranged on the outer side of the left end cover, a driving barrel is arranged on the input shaft between the right end cover and the left end cover, a plurality of magnetic pipe assemblies are arranged in the middle of the driving barrel in an equidistant mode in the circumferential direction, gaps are reserved between the magnetic pipe assemblies and the inner wall of the driven outer barrel, a closed space is formed between the driving barrel and; the magnetic tube assembly comprises a permanent magnet, a steering column, a magnetic adjusting tube and a liquid-isolating sleeve, the permanent magnet is in a shape of a cylinder formed by cutting two opposite ends of the side surface of the cylinder by planes, the permanent magnet is connected with the steering column and coaxially arranged with the steering column, the magnetic adjusting tube comprises a pair of magnetic conductive sheets and a pair of non-magnetic conductive sheets, the magnetic conductive sheets and the non-magnetic conductive sheets are both in arc structures, the magnetic conductive sheets and the non-magnetic conductive sheets are arranged at intervals and jointly spliced to form the magnetic adjusting tube, the magnetic adjusting tube is wrapped outside the permanent magnet, the steering column is exposed out of the magnetic adjusting tube, the liquid-isolating sleeve is wrapped outside the magnetic adjusting tube; the magnetic adjusting mechanism is arranged on the input shaft and close to the left end cover and used for adjusting rotation of the steering column, the magnetic adjusting mechanism comprises a steering engine assembling seat, a steering engine, a gear, a series sleeve, a middle sleeve, a gear ring and a connecting rod, the steering engine assembling seat is arranged on the input shaft and close to the left end cover, a rotating shaft which is coaxially arranged with the input shaft is arranged on the steering engine assembling seat, the rotating shaft is assembled and connected with an inner ring of a second bearing, the steering engine is arranged on the steering engine assembling seat, the output shaft of the steering engine is assembled with the gear, the series sleeve is rotatably connected onto the input shaft, the gear ring is connected to the left end of the series sleeve through the middle sleeve, the gear ring is meshed with the gear, the right end of the series sleeve is rotatably connected with one.
2. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: a groove matched with the permanent magnet in shape is formed in one end of the steering column, the permanent magnet is embedded into the groove, and one end of the steering column is spliced with the permanent magnet to form a cylindrical structure.
3. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the input shaft is connected with a steering engine assembling seat through an outer sleeve, and the steering engine, the gear, the series sleeve, the middle sleeve, the gear ring and the connecting rod are all positioned in the outer sleeve.
4. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the steering wheel is through the cable junction power, first wire guide is seted up to the left end of input shaft, the second wire guide is seted up to the right-hand member of input shaft, set up the wire casing of first wire guide of intercommunication and second wire guide in the input shaft, the position that the left end of input shaft is close to first wire guide sets up first via hole sliding ring, the position that the right-hand member of input shaft is close to the second wire guide sets up second via hole sliding ring, the cable passes first via hole sliding ring in proper order, first wire guide, the wire casing, second wire guide and second via hole sliding ring.
5. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the sealing assembly comprises a magnetic pipe sealing cover and a large sealing ring, the magnetic pipe sealing cover is arranged at the joint of the liquid isolation sleeve and the driving cylinder, the large sealing ring is arranged on the inner wall of the driven outer cylinder, and the large sealing ring is connected with the driving cylinder in a sliding mode.
6. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the permanent magnet is made of neodymium iron boron materials.
7. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the magnetic conductive sheet is made of an iron material.
8. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the non-magnetic conductive sheet is made of an aluminum material.
9. The permanent magnet magnetorheological fluid transmission device according to claim 1, wherein: the steering column is made of an iron material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225257.XA CN110005772B (en) | 2019-03-25 | 2019-03-25 | Permanent magnet type magnetorheological fluid transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225257.XA CN110005772B (en) | 2019-03-25 | 2019-03-25 | Permanent magnet type magnetorheological fluid transmission device |
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| CN110005772A CN110005772A (en) | 2019-07-12 |
| CN110005772B true CN110005772B (en) | 2020-07-07 |
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| CN114321302B (en) * | 2022-01-11 | 2024-10-18 | 重庆大学 | Magnetorheological planetary traction transmission bearing type speed reducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2542480Y (en) * | 2002-05-30 | 2003-04-02 | 上海汇众汽车制造有限公司 | Double-barrel slide valve magnetic rheological damper |
| CN202001547U (en) * | 2011-04-29 | 2011-10-05 | 湖南科技大学 | Regulation type magnetorheological damper of permanent magnetic flow guiding pipe |
| WO2013130936A2 (en) * | 2012-03-02 | 2013-09-06 | National Oilwell Varco, L.P. | Magnetic gears, and related systems and methods |
| CN103591234B (en) * | 2013-11-30 | 2016-03-09 | 重庆理工大学 | Based on the wedge shaped squeeze soft starting device of magnetic flow liquid and marmem |
| CN103867602B (en) * | 2014-04-08 | 2016-05-25 | 重庆理工大学 | A kind of magnetic flow liquid self power generation transmission device that utilizes marmem to drive |
| CN104595407B (en) * | 2015-01-09 | 2016-06-29 | 宁波大学 | A kind of magneto-rheological vibration damper |
| CN205841652U (en) * | 2016-06-21 | 2016-12-28 | 山东科技大学 | A kind of column type magnetorheological transmission device |
| CN206092747U (en) * | 2016-10-14 | 2017-04-12 | 重庆理工大学 | Spherical centrifugation extrusion magnetic current becomes transmission |
| CN106402195B (en) * | 2016-12-01 | 2018-10-09 | 重庆理工大学 | The permanent magnet type magnetic current variable clutch of marmem driving |
| CN206802225U (en) * | 2017-06-08 | 2017-12-26 | 重庆理工大学 | The magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding |
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