CN207437619U - The centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem is assisted - Google Patents
The centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem is assisted Download PDFInfo
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- CN207437619U CN207437619U CN201721583127.6U CN201721583127U CN207437619U CN 207437619 U CN207437619 U CN 207437619U CN 201721583127 U CN201721583127 U CN 201721583127U CN 207437619 U CN207437619 U CN 207437619U
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- driven
- housing
- spacing pressing
- disc spacing
- driving disc
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Abstract
The utility model discloses the centrifugal slider formula magnetic rheologic flexible shaft couplings that a kind of marmem is assisted, and including driving axle housing, driven shaft sleeve and driven housing, the driven housing includes left end cap, left shell, right shell body and right end cap；The driving axle housing is stretched into after passing through left end cap in driven housing, and a driving disc spacing pressing is equipped in driven housing, and the driving disc spacing pressing is set on driving axle housing, and filling is by magnetorheological fluid between the driving disc spacing pressing and driven housing；In the junction of left shell and right shell body, a permanent-magnetic clamp is embedded with, a magnetism-isolating loop is equipped in the outer sheath of permanent-magnetic clamp；Several sliding slots are equipped on the circumferential surface of driving disc spacing pressing, friction slip, shape memory alloy spring and guide rod are equipped in the sliding slot.The utility model can effectively solve the problem that the excessively high of temperature causes to transfer the problem of torque reduces, and so as to ensure the stability of torque transmission, and the scope of application is wider.
Description
Technical field
The utility model is related to the centrifugal slider formula magnetic rheologic flexibles that one kind more particularly to a kind of marmem are assisted
Shaft coupling.
Background technology
Shaft coupling is mainly used for connecting shaft and axis, transfers movement and torque；Shaft coupling application scenario is limited in mechanical device,
Usually needed in different occasions using different shaft couplings, and positive coupling is very high to neutrality requirement to two axis, if
There are relative displacements, can generate additional load in the device.For this purpose, magnetic rheology effect of the people based on magnetorheological fluid, is designed
Magnetorheological fluid shaft coupling
Disclosed in CN202628877U " a kind of stairstepping magnetorheological fluid shaft coupling ", it is generated by magnetorheological fluid device
Compared with huge pressing stress and shearing stress, driving shaft side panel is made to generate sufficiently large torque, driven shaft side panel is driven to rotate together, it is different
Size of current can make magnetorheological fluid generate different compression and shearing stress, pass through step-like working chamber so that magnetorheological
The contact area of liquid and driving disc spacing pressing and driven disc increases, and is capable of providing enough compression and shearing stress, make driving disc spacing pressing with it is driven
Disk rotates synchronously；Disclosed in CN203770468U " a kind of new magnetorheological impeller disk formula shaft coupling ", it utilizes what is be magnetized
Magnetorheological fluid solid state shear stress transfer large torque, and during its gluey high viscosity damping characteristic absorption equipment emergency braking of utilization
Impact energy reduces destruction of the impact force of equipment braking process generation to itself, realizes steady effective braking；
" a kind of magnetorheological shaft coupling of serration type " disclosed in CN202628878U, it is by controlling the intensity of externally-applied magnetic field to reach control magnetic
Rheology liquid shear yield strength makes the viscous force of the magnetorheological fluid consecutive variations in certain scope, so as to fulfill high turn round is transferred
The effect of square, and it is easily controllable.
To sum up, magnetorheological fluid is applied in mechanical device, but the studies above does not consider magnetorheological fluid in high temperature
When hydraulic performance decline after, how using reliable and effective method to go to make up the performance of magnetorheological fluid, ensure the steady of device transfer performance
It is fixed, it has also become the technical issues of those skilled in the art are badly in need of solving.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to provide a kind of marmem associations
The centrifugal slider formula magnetic rheologic flexible shaft coupling helped can effectively solve the problem that the excessively high of temperature causes to transfer the problem of torque reduces,
So as to ensure the stability of torque transmission, and the scope of application is wider.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such：A kind of shape memory closes
The centrifugal slider formula magnetic rheologic flexible shaft coupling that gold is assisted, including driving axle housing, driven shaft sleeve and driven housing, the driven shell
Body includes left end cap, left shell, right shell body and right end cap；The driving axle housing is stretched into after passing through left end cap in driven housing, and
It is connected by bearing with left shell and right shell body；The left end of the driven shaft sleeve is molded as one with right end cap；It is characterized in that：
A driving disc spacing pressing is equipped in driven housing, the driving disc spacing pressing is set on driving axle housing, and is fixedly connected with driving axle housing；The master
Magnetorheological fluid working chamber is formed between Moving plate and driven housing, filling is by magnetorheological fluid in magnetorheological fluid working chamber；In left housing
The junction of body and right shell body is embedded with one around the driven housing permanent-magnetic clamp of one week, one is equipped with every magnetic in the outer sheath of permanent-magnetic clamp
Ring；
On the circumferential surface of driving disc spacing pressing, around it equipped with several sliding slots radially set along driving disc spacing pressing, set in the sliding slot
There are friction slip, shape memory alloy spring and guide rod；The guide rod along driving disc spacing pressing radial direction set, and with the slot of sliding slot
Bottom is fixedly connected；The shape memory alloy spring is arranged on the guide bar, and its one end is fixedly connected with slot bottom, and the other end is with rubbing
Wipe smooth block is fixedly connected；The friction slip is slidably connected with sliding slot, has gap between lateral surface and driven housing.
Further, a liquid injection hole is equipped on left shell or right shell body, cooperation is equipped with fluid injection plug screw in the liquid injection hole.
Further, the bearing uses sliding bearing；On the inside of sliding bearing be equipped with annular groove, in the annular groove filling by
Lubricating grease.
Further, felt circle is provided between left end cap and driving axle housing.
Compared with prior art, the utility model has the following advantages that：
1st, it is simple in structure, the characteristic of magnetorheological fluid is applied in shaft coupling, reduces the production of shaft coupling in the course of work
Raw shock loading, so that the applicable situation of shaft coupling is wider；Also, magnetic field is provided using permanent-magnetic clamp, so as to significantly
The energy consumption of shaft coupling is reduced, it is more convenient to use.
2nd, friction slip is equipped on driving disc spacing pressing, in driving disc spacing pressing rotation process, friction slip under the action of the centrifugal force with from
Dynamic housing contacts and generates frictional force, coordinates the common transmission for carrying out torque with magnetorheological fluid, so as to effectively increase transmission
Torque.
3rd, at high temperature, the driving of friction slip is carried out by marmem, make friction slip and driven housing it
Between generate frictional force, and then why the torque of big transmission, the performance of magnetorheological fluid, ensures that shaft coupling transfers torque during making up high temperature
Stability.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1-driving axle housing, 2-driven shaft sleeve, 3-left end cap, 4-left shell, 5-right shell body, 6-right end cap,
7-driving disc spacing pressing, 8-magnetorheological fluid, 9-permanent-magnetic clamp, 10-magnetism-isolating loop, 11-friction slip, 12-shape memory alloy spring,
13-guide rod, 14-fluid injection plug screw.
Specific embodiment
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail.
Embodiment：Referring to Fig. 1, a kind of centrifugal slider formula magnetic rheologic flexible shaft coupling of marmem assistance, including
Driving axle housing 1, driven shaft sleeve 2 and driven housing.The driven housing includes left end cap 3, left shell 4, right shell body 5 and right end cap
6；The driving axle housing 1 is stretched into after passing through left end cap 3 in driven housing, and is passed through bearing and be connected with left shell 4 and right shell body 5；
Felt circle is provided between left end cap 3 and driving axle housing 1；So that the sealing effect of entire shaft coupling is more preferable.The driven shaft
The left end of set 2 is molded as one with right end cap 6.Wherein, the bearing uses sliding bearing, for bearing main driven shaft decentraction
The shock loading of generation can compensate for the relative displacement of driving axle housing 1 and driven shaft sleeve 2.Annular groove is equipped on the inside of sliding bearing,
Filling is by lubricating grease in the annular groove；So as to being lubricated to sliding bearing, and will be between sliding bearing and driving axle housing 1
Gap seals.
A driving disc spacing pressing 7 is equipped in driven housing, the driving disc spacing pressing 7 is set on driving axle housing 1, and with driving axle housing 1
It is fixedly connected；When it is implemented, there is a shaft shoulder in 7 left and right sides of driving disc spacing pressing, driving disc spacing pressing 7 is by passing through one or both sides axis
The screw of shoulder is fixedly connected with driving axle housing 1.Magnetorheological fluid working chamber is formed between the driving disc spacing pressing 7 and driven housing, in magnetic current
Become in liquid working chamber and fill by magnetorheological fluid 8；A liquid injection hole is equipped on left shell 4 or right shell body 5, is coordinated in the liquid injection hole
Equipped with fluid injection plug screw 14；In order to the injection of magnetorheological fluid.In the junction of left shell 4 and right shell body 5, one is embedded with around driven
The housing permanent-magnetic clamp of one week 9 is equipped with a magnetism-isolating loop 10 in the outer sheath of permanent-magnetic clamp 9.In process, in left shell 4 and right shell
Groove around it is respectively equipped on the face that body 5 is in contact, two grooves are combined to form annular groove, and the permanent-magnetic clamp 9 is arranged on should
In annular groove；The part that the contact surface of left shell 4 and right shell body 5 is located on the outside of annular groove has gap, and the magnetism-isolating loop 10 is located at should
In gap.
On the circumferential surface of driving disc spacing pressing 7, around it equipped with several sliding slots radially set along driving disc spacing pressing 7, in the sliding slot
Equipped with friction slip 11, shape memory alloy spring 12 and guide rod 13；The guide rod 13 is set along the radial direction of driving disc spacing pressing 7,
And it is fixedly connected with the slot bottom of sliding slot；The shape memory alloy spring 12 is set on guide rod 13, and its one end is consolidated with slot bottom
Fixed connection, the other end are fixedly connected with friction slip 11；The friction slip 11 and sliding slot are slidably connected, lateral surface with
There is gap between driven housing.
During assembling, driving shaft is stretched into driving axle housing 1, and is fixedly connected with driving axle housing 1；Driven shaft is stretched into driven
It in axle sleeve 2, and is fixedly connected with driven shaft sleeve 2, in the course of work：
1st, magnetic flux caused by permanent-magnetic clamp generates magnetic current by the magnetorheological fluid between driving disc spacing pressing and driven disc, magnetorheological fluid
Change effect, shear yield stress significantly increase, and torque is transferred by the shear yield stress of magnetorheological fluid, also, using magnetic
The torque of rheology liquid can buffer absorbing, so as to reduce additional load.Meanwhile in driving disc spacing pressing rotation process, friction slip is centrifuging
Power effect is lower to be contacted with driven housing and generates frictional force, coordinates the common transmission for carrying out torque with magnetorheological fluid, so as to
The torque that effectively increase is transferred.
2nd, when the temperature increases, the hydraulic performance decline of magnetorheological fluid, but shape memory alloy spring deforms upon at high temperature,
So as to radial push friction slip, friction slip is made to squeeze the inner wall of driven housing, the frictional force of bigger is generated, improves torque
Vegetables, to make up the influence that magnetorheological fluid performance descent tape is come, so as to ensure shaft coupling stability.
Finally it should be noted that above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, it will be understood by those of ordinary skill in the art that, those are modified to the technical solution of the utility model or are equal
It replaces, without departing from the objective and scope of the technical program, should all cover among the right of the utility model.
Claims (4)
1. a kind of centrifugal slider formula magnetic rheologic flexible shaft coupling that marmem is assisted, including driving axle housing, driven shaft sleeve
With driven housing, the driven housing includes left end cap, left shell, right shell body and right end cap；The driving axle housing passes through left end
It is stretched into after lid in driven housing, and passes through bearing and be connected with left shell and right shell body；The left end and right end cap of the driven shaft sleeve
It is molded as one；It is characterized in that：A driving disc spacing pressing is equipped in driven housing, the driving disc spacing pressing is set on driving axle housing, and
It is fixedly connected with driving axle housing；Magnetorheological fluid working chamber is formed between the driving disc spacing pressing and driven housing, in magnetorheological fluid working chamber
Interior filling is by magnetorheological fluid；In the junction of left shell and right shell body, one is embedded with around the driven housing permanent-magnetic clamp of one week, forever
The outer sheath of magnet ring is equipped with a magnetism-isolating loop；
On the circumferential surface of driving disc spacing pressing, around it equipped with several sliding slots radially set along driving disc spacing pressing, it is equipped with and rubs in the sliding slot
Wipe smooth block, shape memory alloy spring and guide rod；The guide rod is set along the radial direction of driving disc spacing pressing, and is consolidated with the slot bottom of sliding slot
Fixed connection；The shape memory alloy spring is arranged on the guide bar, and its one end is fixedly connected with slot bottom, and the other end is slided with friction
Block is fixedly connected；The friction slip is slidably connected with sliding slot, has gap between lateral surface and driven housing.
2. the centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem according to claim 1 is assisted,
It is characterized in that：A liquid injection hole is equipped on left shell or right shell body, cooperation is equipped with fluid injection plug screw in the liquid injection hole.
3. the centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem according to claim 1 is assisted,
It is characterized in that：The bearing uses sliding bearing；Annular groove is equipped on the inside of sliding bearing, filling is by lubricating grease in the annular groove.
4. the centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem according to claim 1 is assisted,
It is characterized in that：Felt circle is provided between left end cap and driving axle housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583127.6U CN207437619U (en) | 2017-11-23 | 2017-11-23 | The centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem is assisted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583127.6U CN207437619U (en) | 2017-11-23 | 2017-11-23 | The centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem is assisted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437619U true CN207437619U (en) | 2018-06-01 |
Family
ID=62287610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721583127.6U Expired - Fee Related CN207437619U (en) | 2017-11-23 | 2017-11-23 | The centrifugal slider formula magnetic rheologic flexible shaft coupling that a kind of marmem is assisted |
Country Status (1)
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|---|---|
| CN (1) | CN207437619U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316670A (en) * | 2018-10-30 | 2019-02-12 | 重庆理工大学 | Permanent magnetism varying magnetic field variable area magnetorheological fluid landing device |
| CN110149039A (en) * | 2019-05-15 | 2019-08-20 | 嘉兴学院 | A kind of hybrid magnetorheological fluid-permanent magnet shaft coupling |
| CN110266177A (en) * | 2019-06-22 | 2019-09-20 | 石愈超 | A kind of magnetic shaft coupling |
| CN110307271A (en) * | 2019-06-11 | 2019-10-08 | 淮南威凯机械设备有限公司 | A kind of flexible braking shaft coupling |
| CN113202884A (en) * | 2021-05-21 | 2021-08-03 | 吉林大学 | Hydraulic control self-adjustment rectangular clutch based on magnetorheological fluid |
-
2017
- 2017-11-23 CN CN201721583127.6U patent/CN207437619U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316670A (en) * | 2018-10-30 | 2019-02-12 | 重庆理工大学 | Permanent magnetism varying magnetic field variable area magnetorheological fluid landing device |
| CN110149039A (en) * | 2019-05-15 | 2019-08-20 | 嘉兴学院 | A kind of hybrid magnetorheological fluid-permanent magnet shaft coupling |
| CN110307271A (en) * | 2019-06-11 | 2019-10-08 | 淮南威凯机械设备有限公司 | A kind of flexible braking shaft coupling |
| CN110307271B (en) * | 2019-06-11 | 2023-08-01 | 巨鹿县斌昊传动设备有限公司 | Flexible braking coupling |
| CN110266177A (en) * | 2019-06-22 | 2019-09-20 | 石愈超 | A kind of magnetic shaft coupling |
| CN113202884A (en) * | 2021-05-21 | 2021-08-03 | 吉林大学 | Hydraulic control self-adjustment rectangular clutch based on magnetorheological fluid |
| CN113202884B (en) * | 2021-05-21 | 2021-12-31 | 吉林大学 | Hydraulic control self-adjustment rectangular clutch based on magnetorheological fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20181123 |