CN104747688B - A kind of magnetorheological transmission device frictional disk - Google Patents
A kind of magnetorheological transmission device frictional disk Download PDFInfo
- Publication number
- CN104747688B CN104747688B CN201510094238.XA CN201510094238A CN104747688B CN 104747688 B CN104747688 B CN 104747688B CN 201510094238 A CN201510094238 A CN 201510094238A CN 104747688 B CN104747688 B CN 104747688B
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- China
- Prior art keywords
- magnetic
- disk
- magnetic conduction
- conducting
- transmission device
- Prior art date
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Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/34—Non-adjustable friction discs
-
- 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
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
-
- 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
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a kind of magnetorheological transmission device frictional disk, belong to technical field of mechanical power transfer.Hollow type structure is formed including the left disk of magnetic conduction (2) and the right disk of magnetic conduction (4), the left disk of magnetic conduction (2) is fixedly connected with the right disk of magnetic conduction (4) by magnetic conduction connection ring (1)；Conducting magnetic column group (3) is fixedly mounted between the left disk of magnetic conduction (2) and the right disk of magnetic conduction (4).Rate of heat dispation greatly improved with frictional disk in this magnetorheological transmission device, considerably improves radiating effect and transmission power；This frictional disk can also effectively reduce the magnetic circuit reluctance brought due to the air-gap between the left disk of magnetic conduction and the right disk of magnetic conduction, hence it is evident that add transmission moment of torsion, be fully adapted to high-power magnetorheological transmission occasion.
Description
Technical field
The present invention relates to a kind of frictional disk for transmission device, specifically a kind of magnetorheological transmission device frictional disk,
Available for magnetorheological transmission devices such as clutch, brake, soft initiators, belong to technical field of mechanical power transfer.
Background technology
Magnetic flow liquid (Magnetorheological Fluids, MRF) is a kind of typical intellectual material, mainly by soft
Magnetic-particle, base load liquid and the additive composition for being wrapped in soft magnetic particles surface, its viscosity will quickly be sent out under magnetic fields
Life changes and this change is reversible, macroscopically shows as the transformation from liquid to semisolid, and when magnetic field disappears, magnetic current
Liquid can be promptly restored to by becoming liquid.
Magnetorheological transmission device is a kind of new type power transfer device developed using magnetic flow liquid as driving medium, mainly
By active and driven two parts, magnetic flow liquid driving medium is full of between main driven friction disk, by changing suffered by magnetic flow liquid
The method of magnetic field intensity, change the viscosity of magnetic flow liquid, to realize the stepless control of torque between principal and subordinate part；Become moment of torsion with tradition
Device is compared, and has the advantages that small volume, power consumption are low, abrasion is small, noise is low and fast response time.
At present, magnetorheological transmission device patent is more, but its drive friction plate is mostly solid disk, due to magnetorheological transmission
The heating of magnetic flow liquid working clearance is very serious in the especially high-power magnetorheological transmission device course of work of device, and use is solid
Frictional disk mode is driven its heat dissipation problem and is difficult to solve, and causes magnetic flow liquid to be failed because of high temperature, can not really realize high-power
Power transmission.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of magnetorheological transmission device frictional disk, can
Radiating effect is significantly improved, and reduces magnetic circuit reluctance, moment of torsion is transmitted in increase, is fully adapted to high-power magnetorheological transmission occasion.
To achieve these goals, this magnetorheological transmission device frictional disk is included in the left disk of magnetic conduction disk composition right with magnetic conduction
Empty formula structure,
The left disk of magnetic conduction is fixedly connected with the right disk of magnetic conduction by magnetic conduction connection ring；
Conducting magnetic column group is fixedly mounted between the left disk of the magnetic conduction and the right disk of magnetic conduction.
Further, by being connected every bar magnet between the frictional disk, by described every bar magnet and magnetorheological transmission device
Driving shaft part connects；
It is provided between the frictional disk every magnetic connects ring；
It is fixedly connected in the frictional disk with being provided with the magnetic flow liquid working clearance formed every magnetic connects ring with driven shaft
Clutch plate.
Further, the diameter of each conducting magnetic column in the conducting magnetic column group is different, the conducting magnetic column being arranged on same circumference
Diameter is consistent, the conducting magnetic column interlaced arrangement of different-diameter.
Further, the material of the conducting magnetic column in the conducting magnetic column group is strong permeability magnetic material made of electrical pure iron.
Further, the length of the conducting magnetic column in the conducting magnetic column group is between 2~100mm.
Further, the conducting magnetic column in the conducting magnetic column group is cylindrical structural.
Compared with prior art, this magnetorheological transmission device is made up of hollow with frictional disk the left disk of magnetic conduction disk right with magnetic conduction
Formula structure, cooling liquid is passed through among the left disk of magnetic conduction and the right disk of magnetic conduction, rate of heat dispation greatly improved, considerably improve scattered
Thermal effect and transmission power；
Conducting magnetic column group is installed in the hollow type structure that the left disk of magnetic conduction and the right disk of magnetic conduction are formed, can be effectively reduced due to leading
Air-gap between the left disk of magnetic and the right disk of magnetic conduction and the magnetic circuit reluctance brought, hence it is evident that add transmission moment of torsion, be fully adapted to big
The magnetorheological transmission occasion of power.
Brief description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention；
Fig. 2 is Fig. 1 A-A direction views；
The example schematic of Fig. 3 present invention；
In figure：1st, magnetic conduction connection ring, 2, the left disk of magnetic conduction, 3, conducting magnetic column group, 4, the right disk of magnetic conduction, 5, driven shaft, 6, clutch plate,
7th, every magnetic connects ring, 8, every bar magnet.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, this magnetorheological transmission device frictional disk is included in the left disk 2 of the magnetic conduction composition of disk 4 right with magnetic conduction
Empty formula structure,
The left disk 2 of the magnetic conduction disk 4 right with magnetic conduction is fixedly connected by magnetic conduction connection ring 1；
Conducting magnetic column group 3 is fixedly mounted between the left disk 2 of the magnetic conduction and the right disk 4 of magnetic conduction.
The left side of the left disk 2 of magnetic conduction and the working face that the right side of the right disk 4 of magnetic conduction is magnetic flow liquid；
The right side of the left disk 2 of magnetic conduction, the left side of the right disk 4 of magnetic conduction and the surface of strong conducting magnetic column group 3 form cooling liquid
Flow clearance.
Further, as shown in figure 3, being a kind of embodiment of the invention：
In the present embodiment, by being connected every bar magnet 8 between the frictional disk, by described every bar magnet 8 and magnetorheological biography
The driving shaft part connection of dynamic device；Frictional disk is driving disc spacing pressing i.e. described in the present embodiment.
It is provided between the frictional disk every magnetic connects ring 7；
The frictional disk with every magnetic connects ring 7 form the magnetic flow liquid working clearance in be provided with and driven shaft 5 fix connect
The clutch plate 6 connect.
As shown in figure 3, the structure of the present embodiment is integrally immersed in the coolant of flowing, under externally-applied magnetic field H effects, this
The active friction disk of embodiment drives driven disk 6 and driven shaft 5 to rotate by magnetic flow liquid, and the magnetic flow liquid working clearance will produce
Raw substantial amounts of heat, heat are taken away through the coolant in rapid cooled gap after the left disk 2 of magnetic conduction and the right disk 4 of magnetic conduction, radiating effect
Fruit and transmission power are significantly improved.
The present embodiment introduction is working method of the frictional disk of the present invention as driving disc spacing pressing, the equally frictional disk of the present invention
Clutch plate can also be used as after simple structural change, therefore not to repeat here.
Further, as shown in Fig. 2 in order to improve the utilization rate of whole card, each conducting magnetic column in the conducting magnetic column group 3
Diameter is different, and the diameter for the conducting magnetic column being arranged on same circumference is consistent, the conducting magnetic column interlaced arrangement of different-diameter.
Further, the material of the conducting magnetic column in the conducting magnetic column group 3 is strong permeability magnetic material made of electrical pure iron.The material
Magnetic conductivity is high, can effectively reduce magnetic circuit reluctance, increases working clearance magnetic field intensity, improves and transmits moment of torsion.
Further, when conducting magnetic column is less than 2mm, coolant flow is difficult in hollow structure, when length is more than 100mm,
Cause whole driving disk bulky, and magnetic circuit reluctance can become big with the increase of magnetic conduction column length.Therefore in the present invention
The length of conducting magnetic column in the conducting magnetic column group 3 is set between 2~100mm.
Further, as shown in Fig. 2 the preferably cylindrical structure of conducting magnetic column in the conducting magnetic column group 3, but it is not limited to justify
Column construction.Cylindrical structure, which has, to be convenient to process and mount, and coolant easily flows on the face of cylinder, and radiating effect is more excellent.
In summary, rate of heat dispation greatly improved with frictional disk in this magnetorheological transmission device, considerably improves radiating
Effect and transmission power；
This frictional disk can also effectively reduce the magnetic circuit brought due to the air-gap between the left disk of magnetic conduction and the right disk of magnetic conduction
Magnetic resistance, hence it is evident that add transmission moment of torsion, be fully adapted to high-power magnetorheological transmission occasion.
Claims (4)
- A kind of 1. magnetorheological transmission device frictional disk, it is characterised in thatHollow type structure is formed including the left disk of magnetic conduction (2) and the right disk of magnetic conduction (4),The left disk of magnetic conduction (2) is fixedly connected with the right disk of magnetic conduction (4) by magnetic conduction connection ring (1)；Conducting magnetic column group (3) is fixedly mounted between the left disk of magnetic conduction (2) and the right disk of magnetic conduction (4)；By being connected every bar magnet (8) between the frictional disk, by described every bar magnet (8) and the driving shaft of magnetorheological transmission device Part connects；It is provided between the frictional disk every magnetic connects ring (7)；In the frictional disk with being provided with magnetic flow liquid working clearance for being formed every magnetic connects ring (7) and driven shaft (5) is fixed connects The clutch plate (6) connect；The diameter of each conducting magnetic column in the conducting magnetic column group (3) is different, and the diameter for the conducting magnetic column being arranged on same circumference is consistent, The conducting magnetic column interlaced arrangement of different-diameter.
- A kind of 2. magnetorheological transmission device frictional disk according to claim 1, it is characterised in thatThe material of conducting magnetic column in the conducting magnetic column group (3) is strong permeability magnetic material made of electrical pure iron.
- A kind of 3. magnetorheological transmission device frictional disk according to claim 2, it is characterised in thatThe length of conducting magnetic column in the conducting magnetic column group (3) is between 2~100mm.
- A kind of 4. magnetorheological transmission device frictional disk according to claim 3, it is characterised in thatConducting magnetic column in the conducting magnetic column group (3) is cylindrical structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094238.XA CN104747688B (en) | 2015-03-03 | 2015-03-03 | A kind of magnetorheological transmission device frictional disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094238.XA CN104747688B (en) | 2015-03-03 | 2015-03-03 | A kind of magnetorheological transmission device frictional disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747688A CN104747688A (en) | 2015-07-01 |
| CN104747688B true CN104747688B (en) | 2017-11-28 |
Family
ID=53587801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510094238.XA Active CN104747688B (en) | 2015-03-03 | 2015-03-03 | A kind of magnetorheological transmission device frictional disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747688B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299086A (en) * | 2015-10-16 | 2016-02-03 | 中国矿业大学 | Water cooling type multi-plate magneto-rheological clutch |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3322779C2 (en) * | 1983-06-24 | 1986-09-18 | Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart | Fluid friction clutch |
| DE19939356A1 (en) * | 1998-08-19 | 2000-05-04 | Dana Corp | Infinitely variable transmission |
| CN102506094A (en) * | 2011-10-27 | 2012-06-20 | 中国矿业大学 | Multi-disc type fine-pitch magnetorheological clutch |
| CN202349025U (en) * | 2011-12-19 | 2012-07-25 | 山东大学 | Magneto rheological fluid retarder |
| CN103453053B (en) * | 2013-09-02 | 2016-04-20 | 中国矿业大学 | A kind of magnetic rheological brake |
| CN204131365U (en) * | 2013-11-25 | 2015-01-28 | 徐建海 | overload protection type permanent magnetic transmission device |
| CN103758896B (en) * | 2014-01-07 | 2016-05-04 | 杭州电子科技大学 | Water-cooled magnetic rheological brake |
| CN204664352U (en) * | 2015-03-03 | 2015-09-23 | 中国矿业大学 | Magnetorheological transmission device friction disk |
-
2015
- 2015-03-03 CN CN201510094238.XA patent/CN104747688B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104747688A (en) | 2015-07-01 |
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