CN205858999U - The permanent magnetism that a kind of marmem drives becomes magnetic flux disc type magnetic rheological clutch - Google Patents
The permanent magnetism that a kind of marmem drives becomes magnetic flux disc type magnetic rheological clutch Download PDFInfo
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- CN205858999U CN205858999U CN201620866369.5U CN201620866369U CN205858999U CN 205858999 U CN205858999 U CN 205858999U CN 201620866369 U CN201620866369 U CN 201620866369U CN 205858999 U CN205858999 U CN 205858999U
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Abstract
The utility model discloses the permanent magnetism change magnetic flux disc type magnetic rheological clutch that a kind of marmem drives, including shell, driving shaft, driven shaft, driving disc spacing pressing and clutch plate, described clutch plate is two: left clutch plate and right clutch plate, between left clutch plate and right clutch plate, it is provided with a magnetism-isolating loop, at driving disc spacing pressing and left clutch plate, between right clutch plate and magnetism-isolating loop, is filled with magnetic flow liquid；Being provided with a permanent-magnetic clamp pallet between left clutch plate and left shell, the right-hand member at filler ring is provided with a permanent-magnetic clamp；Being provided with shape memory alloy spring at permanent-magnetic clamp pallet with being connected between dish, described shape memory alloy spring is sheathed on driven shaft, and its one end is fixing with permanent-magnetic clamp pallet to be connected, the other end and the fixing connection of a connection dish.This utility model is without using electric excitation source (electromagnetism), and uses working temperature to control the useful flux area that permanent-magnetic clamp produces, thus controls the operating rate of magnetic rheological clutch in real time, and transmission is more safe and reliable, energy-conserving and environment-protective.
Description
Technical field
This utility model relates to mechanical power transmission technical field, particularly relates to the permanent magnetism that a kind of marmem drives
Become magnetic flux disc type magnetic rheological clutch.
Background technology
Marmem (SMA) is that one has shape memory effect and hyperelastic novel intelligent material, and it can
Sense temperature change also can convert heat energy into mechanical energy.It is in particular in: the shape memory with certain original shape closes
After gold carries out a certain degree of deformation under certain condition, marmem can be made again to revert to by changing ambient temperature
Original shape, during shape is recovered, if marmem suffers restraints will produce the biggest restoring force, utilizes it
Restoring force can externally do work, thus converts heat energy into mechanical energy.Utilize this temperature-sensitive mechanical characteristic can be made into shape
Shape memory alloys driving spring.General magnetic rheological clutch is all to produce magnetic field by electric brush slip ring to magnet exciting coil conduction and make
For magnetic flow liquid, therefore being easily caused magnet exciting coil heating, magnetic rheology effect declines, and wastes the energy.
Chinese patent literature CN 1097040A is disclosed " electric fan clutch driven by memory spring ", and it is remembered by shape
Recall alloy spring perception leaving water temperature to drive active friction cone dribbling dynamic cooling fan to rotate accordingly, thus control internal combustion engine
Effluent temperature constancy is within suitable temperature range, but does not considers the marmem chemical affect by hot water；China
Patent documentation CN 204591449U disclosed " a kind of cooling fan of engine clutch ", it is by the shape memory in guide pillar
Alloy spring is produced friction torque transmission power by thermal drivers clutch plate and driving disc spacing pressing friction, but dry friction is easily caused abrasion,
Affect clutch service life；Chinese patent literature CN 1210509C disclosed " a kind of centrifugal magnetofluid clutch ", profit
Export torque with the effect of the lower magnetic rheology effect produced of energising and slide block centrifugal force, but energising easily heating makes magnetic rheology effect
Decline, and the waste energy.
Utility model content
For deficiencies of the prior art, this is to provide a kind of marmem to drive by novel purpose
Permanent magnetism become magnetic flux disc type magnetic rheological clutch, it is not necessary to use electric excitation source (electromagnetism), and use working temperature to control permanent magnetism
The useful flux area that ring produces, thus control the operating rate of magnetic rheological clutch in real time, transmission is more safe and reliable, energy-conservation
Environmental protection.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is such that a kind of shape memory and closes
The permanent magnetism that gold drives becomes magnetic flux disc type magnetic rheological clutch, including shell, driving shaft, driven shaft, driving disc spacing pressing and clutch plate, institute
Stating shell and include left shell, right shell body, outer cylinder and connection dish, described left shell and right shell body are solid with the two ends of outer cylinder respectively
Fixed connection, described connection dish is fixing with left shell to be connected；The left end of described driving shaft stretches in shell after right shell body, and leads to
Crossing bearing to be connected with right shell body, the right-hand member of described driven shaft stretches in shell after connection dish, and fixes connection with being connected dish；
It is characterized in that: described driving disc spacing pressing and clutch plate are all located in housing, described clutch plate is two: left clutch plate and the right side are driven
Dish, described left clutch plate is connected with the right-hand member of driven shaft by key, and right clutch plate is connected with driving shaft by bearing, driven on a left side
Being provided with a magnetism-isolating loop between dish and right clutch plate, described left clutch plate and right clutch plate are fixing with the two ends of magnetism-isolating loop respectively to be connected
Connect；Described driving disc spacing pressing is located in the space that left clutch plate, right clutch plate and magnetism-isolating loop surround, and by a left side for key with driving shaft
End is connected, and driving disc spacing pressing and left clutch plate, is respectively provided with gap between right clutch plate and magnetism-isolating loop, and described gap is connected formation
Working clearance, within this working clearance, it is filled with magnetic flow liquid；
Being provided with a permanent-magnetic clamp pallet between left clutch plate and left shell, described permanent-magnetic clamp pallet passes through key and driven shaft phase
Connect, and can move freely along driven shaft；There is on the right side of this permanent-magnetic clamp pallet a filler ring, described filler ring be sheathed on left clutch plate,
On magnetism-isolating loop and right clutch plate, and it is respectively provided with gap between itself and left clutch plate, magnetism-isolating loop and right clutch plate, at the right-hand member of filler ring
Being provided with one around the slip ring end face cannelure of a week, be provided with a permanent-magnetic clamp in this cannelure, it is tight that the right-hand member at filler ring is additionally provided with one
Gu ring, described permanent-magnetic clamp is fixed in cannelure by this dead ring；
Being provided with shape memory alloy spring at permanent-magnetic clamp pallet with being connected between dish, described shape memory alloy spring is sheathed
On driven shaft, its one end is fixing with permanent-magnetic clamp pallet to be connected, the other end and the fixing connection of a connection dish.
Further, the middle part on the right side of permanent-magnetic clamp pallet is provided with a stopper slot, in the left side of left clutch plate, to limiting
Position groove is provided with a limited block, when limited block is with when contacting bottom stopper slot, and the middle part of described permanent-magnetic clamp is the most right with the working clearance, from
And the maximum useful flux area enabling permanent-magnetic clamp to produce acts on and magnetic flow liquid.
Further, the middle part of described permanent-magnetic clamp pallet protrudes formation one guide cylinder, described marmem to the left
Spring housing is located on this guide cylinder, and the position corresponding with key at this guide cylinder is provided with gathering sill；The left side of described left shell, has
The tubular structure corresponding with this guide cylinder, described connection dish is connected with the end of this tubular structure.
Further, the middle part on the right side of described driving disc spacing pressing has a connection bump, the middle part on the left of right clutch plate, corresponding
This connection bump is provided with connecting groove, and right clutch plate is connected with driving disc spacing pressing with the cooperation of connection bump by this connecting groove, and
O sealing ring it is provided with between connection bump and the sidewall of connecting groove.
Further, on driving disc spacing pressing, the corresponding working clearance is provided with liquid injection hole, is provided with fluid injection plug screw on this liquid injection hole.
Further, on left shell, the position of correspondingly-shaped memory alloy spring is provided with passage.
Further, being provided with an end cap on the right side of right shell body, described end cap is set on driving shaft, and solid with right shell body
Fixed connection, is provided with felt circle between end cap and driving shaft.
Further, described left clutch plate, right clutch plate, driving disc spacing pressing forever, magnet ring pallet and dead ring be soft magnetic materials,
Left shell, outer cylinder and right shell body are non-magnet material.
Compared with prior art, this utility model has the advantage that
1, simple in construction, defines the shell of closing so that work by left shell, right shell body, outer cylinder and connection dish
Make region and will not stockpile dust, stable, reliable.
2, avoid the use of electromagnetism, but use shape memory alloy spring perception ambient temperature to promote permanent magnetism
Ring moves axially, thus controls the permanent-magnetic clamp generation magnetic line of force in real time and can act on the magnetic flow liquid in the working clearance, reaches right
The regulation of clutch work efficiency, makes transmission more safe and reliable, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is structural representation during this utility model original state.
Fig. 2 is structural representation during utility model works state.
In figure: 101 left shells, 102 right shell bodies, 103 outer cylinder, 104 connection dishes, 2 driving shafts, 3 from
Moving axis, 4 driving disc spacing pressings, 5 left clutch plates, 6 right clutch plates, 7 magnetism-isolating loops, 8 magnetic flow liquids, 9 permanent-magnetic clamp pallets,
10 permanent-magnetic clamps, 11 fastening change, 12 shape memory alloy springs, 13 fluid injection plug screws, 14 passages, 15 end caps.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment: see Fig. 1, Fig. 2, the permanent magnetism that a kind of marmem drives becomes magnetic flux disc type magnetic rheological clutch,
Including shell, driving shaft 2, driven shaft 3, driving disc spacing pressing 4 and clutch plate.Described shell includes left shell 101, right shell body 102, outer
Cylinder 103 and connection dish 104, described left shell 101 and right shell body 102 are fixing with the two ends of outer cylinder 103 respectively to be connected, described
Connection dish 104 is fixing with left shell 101 to be connected；So that forming the shell closed so that working region will not stockpile dust, fortune
Line stabilization, reliable.The left end of described driving shaft 2 stretches in shell after right shell body 102, and by bearing and right shell body 102
Being connected, the right-hand member of described driven shaft 3 stretches in shell after connection dish 104, and fixes connection with being connected dish 104.
Described driving disc spacing pressing 4 and clutch plate are all located in housing, and described clutch plate is two: left clutch plate 5 and right clutch plate
6.Described left clutch plate 5 is set on driven shaft 3 and is connected with the right-hand member of driven shaft 3 by key, left driven for being further ensured that
The stability of dish 5, the right-hand member at driven shaft 3 is additionally provided with a circlip, by this circlip and the joining of axle journal on driven shaft 3
Conjunction makes left clutch plate 5 axial restraint.Right clutch plate 6 is connected with driving shaft 2 by bearing, makes the right clutch plate 6 can be around driving shaft 2
Freely rotatable.A magnetism-isolating loop 7, described left clutch plate 5 and right clutch plate 6 it is provided with respectively between left clutch plate 5 and right clutch plate 6
Fix with the two ends of magnetism-isolating loop 7 and be connected；The section of described magnetism-isolating loop 7 is T-shaped, left clutch plate 5 and having on clutch plate be provided with
The locating slot of correspondence, be provided with O RunddichtringO between this magnetism-isolating loop 7 and left clutch plate 5 and right clutch plate 6.Described driving disc spacing pressing 4 sets
In the space that left clutch plate 5, right clutch plate 6 and magnetism-isolating loop 7 surround, and it is set on driving shaft 2, and by key and active
The left end of axle 2 is connected, and for being further ensured that the stability of driving disc spacing pressing 4, the left end at driving shaft 2 also is provided with a circlip, logical
Cross this circlip and make driving disc spacing pressing 4 axial restraint with coordinating of axle journal on driving shaft 2.Described driving disc spacing pressing 4 and left clutch plate 5, the right side
Being respectively provided with gap between clutch plate 6 and magnetism-isolating loop 7, described gap is connected the formation working clearance, fills out within this working clearance
It is filled with magnetic flow liquid 8；On driving disc spacing pressing 4, the corresponding working clearance is provided with liquid injection hole, is provided with fluid injection plug screw 13 on this liquid injection hole,
So that injecting magnetic flow liquid 8.When being embodied as, the middle part on the right side of described driving disc spacing pressing 4 has a connection bump, at right clutch plate
Middle part on the left of in the of 6, to connection bump being provided with connecting groove, right clutch plate 6 is joined by this connecting groove and connection bump
Close and be connected with driving disc spacing pressing 4, and between connection bump and the sidewall of connecting groove, be provided with O sealing ring；Thus by magnetic flow liquid 8
Effectively seal against in the intervals of business, it is to avoid cause leakage.
Between left clutch plate 5 and left shell 101, be provided with a permanent-magnetic clamp pallet 9, described permanent-magnetic clamp pallet 9 by key with from
Moving axis 3 is connected, and can move freely along driven shaft 3.Formation one guiding is protruded at the middle part of described permanent-magnetic clamp pallet 9 to the left
Cylinder, described shape memory alloy spring 12 is sheathed on this guide cylinder, and the position corresponding with key at this guide cylinder is provided with gathering sill；
So that permanent-magnetic clamp pallet 9 stability in moving process is more preferable.The left side of described left shell 101, has and this guide cylinder phase
Corresponding tubular structure, described connection dish 104 is connected with the end of this tubular structure.On the right side of this permanent-magnetic clamp pallet 9, there is a torr
Ring, described filler ring is sheathed on left clutch plate 5, magnetism-isolating loop 7 and right clutch plate 6, and its with left clutch plate 5, magnetism-isolating loop 7 and the right side from
It is respectively provided with gap between Moving plate 6.Right-hand member at filler ring is provided with one around the slip ring end face cannelure of a week, and this cannelure runs through torr
Inside ring；Being provided with a permanent-magnetic clamp 10 in this cannelure, the right-hand member at filler ring is additionally provided with a dead ring 11, described permanent-magnetic clamp 10 by
This dead ring 11 is fixed in cannelure.Middle part on the right side of permanent-magnetic clamp pallet 9 is provided with a stopper slot, on a left side for left clutch plate 5
Side, to being provided with a limited block by stopper slot, when limited block with when contacting bottom stopper slot, the middle part of described permanent-magnetic clamp 10 and work
Make gap the most right, so that the maximum useful flux area that permanent-magnetic clamp 10 produces can act on and magnetic flow liquid 8；Thus ensure shape
The permanent-magnetic clamp 10 that shape memory alloys spring 12 drives can be stablized at extreme position when high temperature so that magnetic rheology effect reaches
Good state.
It is provided with shape memory alloy spring 12 with being connected between dish 104, described marmem bullet at permanent-magnetic clamp pallet 9
Spring 12 is sheathed on driven shaft 3, and its one end is fixing with permanent-magnetic clamp pallet 9 to be connected, the other end and a fixing connection of connection dish 104.
Wherein, the right side of described connection dish 104 has connection boss, and the left side of permanent-magnetic clamp pallet 9 has a connection step, described shape
The two ends of memory alloy spring 12 respectively be connected boss and connect that step is fixing to be connected.When being embodied as, described left clutch plate
5, right clutch plate 6, driving disc spacing pressing 4 forever, magnet ring pallet and dead ring 11 be soft magnetic materials, left shell 101, outer cylinder 103 and
Right shell body 102 is non-magnet material.
On left shell 101, the position of correspondingly-shaped memory alloy spring 12 is provided with several passage 14；Thus in outside
Ambient temperature rises promotion, and extraneous hot-fluid can enter in housing by passage 14 quickly.It is provided with on the right side of right shell body 102
One end cap 15, described end cap 15 is set on driving shaft 2, and fixing with right shell body 102 is connected, end cap 15 and driving shaft 2 it
Between be provided with felt circle；So that bearing is positioned.
In work process: when ambient temperature reaches marmem phase transition temperature, shape memory alloy spring 12 is subject to
Pick dynamic permanent-magnetic clamp pallet 9 to move axially to the right together with permanent-magnetic clamp 10, due to permanent-magnetic clamp pallet 9, dead ring 11, left clutch plate
5 and right clutch plate 6 be soft magnetic materials so that permanent-magnetic clamp 10 produce the magnetic line of force can be perpendicular through magnetic flow liquid 8 workplace
Gap, and then occur magnetic rheology effect to allow magnetic flow liquid 8 solidify in millisecond, so that driving disc spacing pressing 4 drives left clutch plate 5 He
Right clutch plate 6 synchronous axial system, it is ensured that the work well of clutch.
It is last it should be noted that above example is only in order to illustrate the technical solution of the utility model rather than restriction technologies
Scheme, it will be understood by those within the art that, the technical solution of the utility model is modified or is equal to by those
Replace, without deviating from objective and the scope of the technical program, all should contain in the middle of right of the present utility model.
Claims (8)
1. the permanent magnetism that marmem drives becomes a magnetic flux disc type magnetic rheological clutch, including shell, driving shaft, driven
Axle, driving disc spacing pressing and clutch plate, described shell includes left shell, right shell body, outer cylinder and connection dish, described left shell and right shell
Body is fixing with the two ends of outer cylinder respectively to be connected, and described connection dish is fixing with left shell to be connected；The left end of described driving shaft passes
Stretch in shell after right shell body, and be connected with right shell body by bearing, outside the right-hand member of described driven shaft stretches into after passing connection dish
In shell, and fix connection with being connected dish；It is characterized in that: described driving disc spacing pressing and clutch plate are all located in housing, described clutch plate
Being two: left clutch plate and right clutch plate, described left clutch plate is connected with the right-hand member of driven shaft by key, and right clutch plate passes through axle
Holding and be connected with driving shaft, be provided with a magnetism-isolating loop between left clutch plate and right clutch plate, described left clutch plate and right clutch plate divide
Do not fix with the two ends of magnetism-isolating loop and be connected；Described driving disc spacing pressing is located at the space that left clutch plate, right clutch plate and magnetism-isolating loop surround
In, and it is connected with the left end of driving shaft by key, and driving disc spacing pressing and left clutch plate, is respectively provided with between right clutch plate and magnetism-isolating loop
Gap, described gap is connected the formation working clearance, is filled with magnetic flow liquid within this working clearance；
Being provided with a permanent-magnetic clamp pallet between left clutch plate and left shell, described permanent-magnetic clamp pallet is connected with driven shaft by key,
And can move freely along driven shaft；Having a filler ring on the right side of this permanent-magnetic clamp pallet, described filler ring is sheathed on left clutch plate, every magnetic
On ring and right clutch plate, and being respectively provided with gap between itself and left clutch plate, magnetism-isolating loop and right clutch plate, the right-hand member at filler ring is provided with
One, around the slip ring end face cannelure of a week, is provided with a permanent-magnetic clamp in this cannelure, and the right-hand member at filler ring is additionally provided with a dead ring,
Described permanent-magnetic clamp is fixed in cannelure by this dead ring；
Be provided with shape memory alloy spring at permanent-magnetic clamp pallet with being connected between dish, described shape memory alloy spring be sheathed on from
On moving axis, its one end is fixing with permanent-magnetic clamp pallet to be connected, the other end and the fixing connection of a connection dish.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
It is characterised by: the middle part on the right side of permanent-magnetic clamp pallet is provided with a stopper slot, in the left side of left clutch plate, to being provided with by stopper slot
One limited block, when limited block is with when contacting bottom stopper slot, and the middle part of described permanent-magnetic clamp is the most right with the working clearance, so that permanent magnetism
The maximum useful flux area that ring produces can act on magnetic flow liquid.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
It is characterised by: formation one guide cylinder is protruded at the middle part of described permanent-magnetic clamp pallet to the left, and described shape memory alloy spring is sheathed
On this guide cylinder, the position corresponding with key at this guide cylinder is provided with gathering sill；The left side of described left shell, has and this guiding
The tubular structure that cylinder is corresponding, described connection dish is connected with the end of this tubular structure.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
It is characterised by: the middle part on the right side of described driving disc spacing pressing has a connection bump, the middle part on the left of right clutch plate, convex to connecting
Rising and be provided with connecting groove, right clutch plate is connected with driving disc spacing pressing with the cooperation of connection bump by this connecting groove, and convex connecting
Rise and be provided with O sealing ring between the sidewall of connecting groove.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
Being characterised by: on driving disc spacing pressing, the corresponding working clearance is provided with liquid injection hole, is provided with fluid injection plug screw on this liquid injection hole.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
Being characterised by: on left shell, the position of correspondingly-shaped memory alloy spring is provided with passage.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
Being characterised by: be provided with an end cap on the right side of right shell body, described end cap is set on driving shaft, and fixing with right shell body is connected,
Felt circle it is provided with between end cap and driving shaft.
The permanent magnetism that a kind of marmem the most according to claim 1 drives becomes magnetic flux disc type magnetic rheological clutch, its
Be characterised by: described left clutch plate, right clutch plate, driving disc spacing pressing forever, magnet ring pallet and dead ring be soft magnetic materials, left shell,
Outer cylinder and right shell body are non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866369.5U CN205858999U (en) | 2016-08-11 | 2016-08-11 | The permanent magnetism that a kind of marmem drives becomes magnetic flux disc type magnetic rheological clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866369.5U CN205858999U (en) | 2016-08-11 | 2016-08-11 | The permanent magnetism that a kind of marmem drives becomes magnetic flux disc type magnetic rheological clutch |
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| Publication Number | Publication Date |
|---|---|
| CN205858999U true CN205858999U (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620866369.5U Expired - Fee Related CN205858999U (en) | 2016-08-11 | 2016-08-11 | The permanent magnetism that a kind of marmem drives becomes magnetic flux disc type magnetic rheological clutch |
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| CN (1) | CN205858999U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696096A (en) * | 2018-06-26 | 2018-10-23 | 江苏磁谷科技股份有限公司 | A kind of novel permanent magnetic coupler |
| CN109854637A (en) * | 2019-02-26 | 2019-06-07 | 恒有（苏州）精工机电有限公司 | A kind of magnetorheological overload protection safety coupling that the torque of permanent-magnet-field is controllable |
| WO2021208301A1 (en) * | 2020-04-16 | 2021-10-21 | 广西大学 | Temperature-controlled clutch wind power drive apparatus and unidirectional cold-conducting pile |
-
2016
- 2016-08-11 CN CN201620866369.5U patent/CN205858999U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696096A (en) * | 2018-06-26 | 2018-10-23 | 江苏磁谷科技股份有限公司 | A kind of novel permanent magnetic coupler |
| CN108696096B (en) * | 2018-06-26 | 2023-07-07 | 江苏磁谷科技股份有限公司 | Permanent magnet coupler |
| CN109854637A (en) * | 2019-02-26 | 2019-06-07 | 恒有（苏州）精工机电有限公司 | A kind of magnetorheological overload protection safety coupling that the torque of permanent-magnet-field is controllable |
| WO2021208301A1 (en) * | 2020-04-16 | 2021-10-21 | 广西大学 | Temperature-controlled clutch wind power drive apparatus and unidirectional cold-conducting pile |
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| 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: 20170104 Termination date: 20170811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |