CN105257726A - Non-wear clutch with adjustable disengaging and engaging speed - Google Patents
Non-wear clutch with adjustable disengaging and engaging speed Download PDFInfo
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- CN105257726A CN105257726A CN201510777469.0A CN201510777469A CN105257726A CN 105257726 A CN105257726 A CN 105257726A CN 201510777469 A CN201510777469 A CN 201510777469A CN 105257726 A CN105257726 A CN 105257726A
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- magnet rotor
- clutch
- magnetic sheet
- rotor
- briquetting
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Abstract
The invention discloses a non-wear clutch with adjustable disengaging and engaging speed. The non-wear clutch comprises an input shaft, an inner magnetic rotor, an outer magnetic rotor, an output shaft and a clutch driving device, wherein the inner magnetic rotor is dynamically connected with the input shaft, and the outer magnetic rotor is dynamically connected with the output shaft; the inner magnetic rotor and the outer magnetic rotor are orderly arranged on the same axis, a first high-density magnetic sheet is arranged on the periphery of the inner magnetic rotor, and a second high-density magnetic sheet opposite to the first high-density magnetic sheet is arranged on the inner ring of the outer magnetic rotor; the clutch driving device is connected to the inner magnetic rotor and drives the inner magnetic rotor to move on the axial direction of the input shaft, so that the first high-density magnetic sheet and the second high-density magnetic sheet are mutually approached or separated. The non-wear clutch eliminates physical friction between a driving disc and a driven disc, the service life of the clutch is prolonged, and the disengaging and engaging control precision of the clutch is effectively improved.
Description
Technical field
The present invention relates to clutch field, particularly relate to the nothing wearing and tearing clutch that a kind of point of resultant velocity is adjustable.
Background technique
As parts conventional in machine driven system, clutch can realize the combination of power between power source with transmission system or be separated.At present, clutch of a great variety, can be divided into several classes such as magnetic clutch, magnetic powder clutch and friction clutcch by principle difference.
In prior art, transferring power after friction clutcch generally relies on spring force that clutch driving plate and driven disc are combined, and make driving disc and driven disc separate interruption transmission of power by separating mechanism; Magnetic clutch principle is similar, just provides Separating force by electromagnetic force; For magnetic powder clutch, its principle is initiatively and between driven member placing magnetic, and during no electric circuit, magnetic is in loose condition (of surface), and during energising, magnetic combines, and driving link and driven member rotate simultaneously, therefore it also exists friction phenomenon between magnetic in essence.
Be not difficult to find out, operationally there is friction and cause correlated parts (particularly driving disc and driven disc) to occur wear phenomenon and temperature rise phenomenon in several clutch above, thus have impact on working life, further, its driving disc of existing clutch and driven disc be separated or cannot fine adjustment in conjunction with speed.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the nothing wearing and tearing clutch that a kind of point of resultant velocity is adjustable, for eliminating the physical friction between driving disc and driven disc, extending the working life of clutch, and improve deciliter control accuracy of clutch.
The present invention is achieved in that
Point resultant velocity is adjustable without a wearing and tearing clutch, comprising: input shaft, interior magnet rotor, outer magnet rotor, output shaft and clutch pushing device;
Described interior magnet rotor power is connected to described input shaft, described outer magnet rotor power is connected to described output shaft, described interior magnet rotor and outer magnet rotor are set in turn on same axis, the periphery of interior magnet rotor is provided with the first high-magnetic-density magnetic sheet, the inner ring of outer magnet rotor is provided with the second high-magnetic-density magnetic sheet relative with described first high-magnetic-density magnetic sheet;
Described clutch pushing device is connected to described interior magnet rotor, and in clutch pushing device drives, magnet rotor is along input shaft axial motion, makes described first high-magnetic-density magnetic sheet close to each other with the second high-magnetic-density magnetic sheet or be separated.
Further, described clutch pushing device comprises: motor, briquetting, axial thrust bearing and spring;
The rotor of described motor is provided with screw thread, described briquetting is threadedly connected on rotor, described briquetting is connected to described interior magnet rotor by described axial thrust bearing, described spring housing is located on described input shaft, one end of spring is connected to described interior magnet rotor, and the other end is connected to the catch of input end end.
Further, what described interior magnet rotor can be slided to axial by long spline is connected on described input shaft, and described outer magnet rotor is fixedly connected with output shaft by flat key.
Further, on described interior magnet rotor, the number of the first high-magnetic-density magnetic sheet is equal with the number of the second high-magnetic-density magnetic sheet on outer magnet rotor.
Further, described clutch pushing device comprises: oil hydraulic cylinder, briquetting axial thrust bearing and spring;
Described briquetting is arranged at the end of the push rod of oil hydraulic cylinder, described briquetting is connected to described interior magnet rotor by described axial thrust bearing, described spring housing is located on described input shaft, and one end of spring is connected to described interior magnet rotor, and the other end is connected to the catch of input end end.
Another technological scheme provided by the invention is:
Point resultant velocity is adjustable without a wearing and tearing clutch, it is characterized in that, comprising: input shaft, interior magnet rotor, outer magnet rotor, output shaft and clutch pushing device;
Described interior magnet rotor power is connected to described input shaft, described outer magnet rotor power is connected to described output shaft, described interior magnet rotor and outer magnet rotor are set in turn on same axis, the periphery of interior magnet rotor is provided with the first high-magnetic-density magnetic sheet, the inner ring of outer magnet rotor is provided with the second high-magnetic-density magnetic sheet relative with described first high-magnetic-density magnetic sheet;
Described clutch pushing device is connected to described outer magnet rotor, and clutch pushing device drives outer magnet rotor along output shaft axial motion, makes described first high-magnetic-density magnetic sheet close to each other with the second high-magnetic-density magnetic sheet or be separated.
Further, described clutch pushing device comprises: motor, briquetting, axial thrust bearing and spring;
The rotor of described motor is provided with screw thread, described briquetting is threadedly connected on rotor, described briquetting is connected to described outer magnet rotor by described axial thrust bearing, described spring housing is located on described output shaft, one end of spring is connected to described outer magnet rotor, and the other end is connected to the catch of output terminal end.
Beneficial effect of the present invention is: the present invention utilizes high-magnetic-density magnetic sheet to realize the transmission of power, contactless between interior magnet rotor and outer magnet rotor, therefore, there is not the wear phenomenon at interior magnet rotor and outer magnet rotor transferring power place, thus eliminate wearing and tearing between the two; And magnet rotor to be arranged on input end in axial sliding in the present invention, and in being driven by clutch pushing device, magnet rotor is separated and combination with outer magnet rotor, achieves the fine adjustment of clutch " separation " or " combination " speed.The present invention not only structural principle simple, combine or be separated the accurately easy and practical effect had without wearing and tearing of speed governing.
Accompanying drawing explanation
Fig. 1 is the section of structure without wearing and tearing clutch that embodiment of the present invention divides resultant velocity adjustable.
Label declaration:
1, input shaft; 2, interior magnet rotor; 3, motor; 4, briquetting;
5, axial thrust bearing; 6, outer magnet rotor; 7, spring; 8, output shaft;
9, housing; 10, pushing device; 21, the first high-magnetic-density magnetic sheet;
61, the second high-magnetic-density magnetic sheet.
Embodiment
By describing technology contents of the present invention, structure characteristics in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with mode of execution.
Mode of execution one
Refer to Fig. 1, the nothing wearing and tearing clutch that embodiment of the present invention a kind of point of resultant velocity is adjustable, this point of adjustable the comprising without wearing and tearing clutch of resultant velocity: input shaft 1 (i.e. power input shaft), interior magnet rotor 2, outer magnet rotor 6, output shaft 8 (i.e. pto＝power take-off), housing 9 and clutch pushing device 10;
Described interior magnet rotor 2, outer magnet rotor 6 and clutch pushing device 10 are arranged in housing 9, interior magnet rotor 2 power is connected to described input shaft 1, wherein, interior magnet rotor 2 can slide to axial relative to input shaft 1 on input shaft 1, input shaft 1 is connected to power plant, and outer magnet rotor 6 power is connected to described output shaft 8.Preferably, described interior magnet rotor 2 is arranged on described input shaft by long spline, and described interior magnet rotor 2 can slide axially along input shaft 1; Described outer magnet rotor is fixedly connected with output shaft by flat key.
Wherein, described interior magnet rotor 2 is the active part of clutch, outer magnet rotor 6 is the secondary part of clutch, interior magnet rotor 2 is one in front and one in back arranged on same axis with outer magnet rotor 6, outer magnet rotor 6 is relative to the end face of interior magnet rotor 2, be provided with the circular containing groove suitable with the cross section of interior magnet rotor 2, the periphery of interior magnet rotor 2 is provided with the first high-magnetic-density magnetic sheet 21; The inner ring of magnet rotor 6 outside, i.e. the madial wall of described circular containing groove is provided with the second high-magnetic-density magnetic sheet 61 relative with described first high-magnetic-density magnetic sheet 21.
Clutch pushing device 10 is connected to described interior magnet rotor 2, and in driving, magnet rotor 2 is along the axial motion of input shaft 1, makes interior magnet rotor 2 and the relative movement of outer magnet rotor 6.When interior magnet rotor 2 is in separated state with outer magnet rotor 6, the first high-magnetic-density magnetic sheet 21 of described interior magnet rotor 2 and the second high-magnetic-density magnetic sheet 61 of outer magnet rotor 6 from, there is not magnetic force between the two; When clutch pushing device 10 pushes interior magnet rotor 2 the circular containing groove of outer magnet rotor 6 to, the distance of described first high-magnetic-density magnetic sheet 21 and the second high-magnetic-density magnetic sheet 61 is more and more nearer, until overlapping (state namely shown in Fig. 1), being combined by magnetic force to magnet rotor in process 2 with outer magnet rotor 6, namely realize transmission by magnetic force.
Embodiment of the present invention utilizes high magnetic magnetic sheet to realize the transmission of power, contactless between interior magnet rotor and outer magnet rotor.Therefore, there is not the wear phenomenon at interior magnet rotor and outer magnet rotor transferring power place, possessed the effect without wearing and tearing.
In the present embodiment, described clutch pushing device 10 specifically comprises: motor 3, briquetting 4, axial thrust bearing 5 and spring 7;
The rotor of described motor 3 is provided with screw thread, described briquetting 4 is provided with the tapped hole suitable with described screw thread, briquetting 4 is threadedly connected on the rotor of motor 3 by described tapped hole, axial thrust bearing 5 is arranged between briquetting 4 and interior magnet rotor 2, described briquetting 4 is connected to described interior magnet rotor 2 by described axial thrust bearing 5, described spring housing is located on described input shaft, and one end of spring is connected to described interior magnet rotor, and the other end is connected to the catch of input end end.
(1) in the present embodiment, clutch from " separation " to " combination " process is: when motor 3 rotates clockwise and its rotating speed is n, utilize thread mechanism leading role can realize briquetting 4 translational motion to the right (establishing the corresponding briquetting that rotates clockwise of rotor to move right), and the rotating speed that the speed of this translational motion is motor 3 is multiplied by the pitch of screw thread.When briquetting 4 moves to right, briquetting 4 promotes thrust-bearing 5 successively and interior magnet rotor 2 moves right, and screw thread pressurized in this process also makes interior magnet rotor 2 and briquetting 4 laminating motion.Like this, the relative area of the magnetic sheet on interior magnet rotor 2 and outer magnet rotor 6 will be on the increase, thus cause interactional magnetic force between interior magnet rotor and outer magnet rotor constantly to increase.Clutch magnetic force maximum value designed by supposing is greater than the power imported into from input shaft, then finally achieve power from interior magnet rotor to the transmission of outer magnet rotor.So just achieve the transmission of power between input shaft and output shaft, clutch completes and changes from " separation " to the working state of " combination ".Especially, utilize the latching characteristics of thread transmission, when briquetting moves right specified position, briquetting can reliably be fixed on this position.
(2) clutch from " combination " to " separation " process is: when motor 3 rotates counterclockwise and its rotating speed is n, utilize thread mechanism leading role can realize briquetting 4 translational motion left (that establishes rotor rotates counterclockwise corresponding briquetting to left movement), and the rotating speed that the speed of this translational motion is motor 3 is multiplied by the pitch of screw thread.Further, under the effect of the elastic force of spring 7, interior magnet rotor 2 is along input shaft 1 to left movement and fit with briquetting 4.Like this, the relative area of the magnetic sheet of interior magnet rotor 2 and outer magnet rotor 6 will constantly reduce, thus cause interactional magnetic force between interior magnet rotor and outer magnet rotor constantly to reduce.When interior magnet rotor moves on to limit on the left position, transmission of power will be interrupted, and clutch completes and changes from " combination " to the working state of " separation ".Especially, utilize the latching characteristics of thread transmission and the effect of spring force, when briquetting 4 moves right specified position, briquetting can reliably be fixed on this position.
In the present embodiment, fix at spring force and thread pitch one, utilize motor speed can the speed of translational motion and the displacement to the left or to the right of accurate adjustment briquetting, namely achieve the fine adjustment of clutch " separation " or " combination " speed; And utilize the latching characteristics of thread transmission and the effect of spring force, when briquetting moves right specified position, briquetting can reliably be fixed on this position, thus clutch is made to have control accuracy steady in a long-term.
Mode of execution two
Be with mode of execution one difference, in the present embodiment, described clutch pushing device comprises oil hydraulic cylinder, briquetting axial thrust bearing and spring;
Oil hydraulic cylinder is connected to high pressure oil pump by high-pressure oil pipe, described briquetting is arranged at the end of the push rod of oil hydraulic cylinder, described briquetting is connected to described interior magnet rotor by described axial thrust bearing, described spring housing is located on described input shaft, one end of spring is connected to described interior magnet rotor, and the other end is connected to the catch of input end end.When high pressure oil pump drives the push rod of oil hydraulic cylinder to stretch, in driving magnet rotor relative with outer magnet rotor near be separated, thus realize combining and the function be separated.
Relative to mode of execution one, in the present embodiment, adopt oil hydraulic cylinder to be the drive unit of pushing device, the mechanical stability that oil hydraulic cylinder is higher relative to motor, namely in the idle situation of high pressure oil pump, the position of the push rod of oil hydraulic cylinder is difficult to be changed by external force, therefore, the nothing wearing and tearing clutch dividing resultant velocity adjustable in present embodiment not only divides resultant velocity adjustable, and without wearing and tearing function, and there is high stability, thus ensure the control accuracy of clutch.
Mode of execution three
Be with mode of execution one and mode of execution two difference, in the present embodiment, described pushing device is connected with outer magnet rotor, interior magnet rotor is fixedly installed on input shaft, outer magnet rotor is then to be arranged on output shaft in axial sliding, described pushing device be for drive outer magnet rotor mutually internally magnet rotor near or be separated, the combination realizing clutch be separated.Wherein, it take motor as the technological scheme of drive unit that described pushing device is preferably in mode of execution one what adopt, and namely described clutch pushing device comprises: motor, briquetting, axial thrust bearing and spring;
The rotor of described motor is provided with screw thread, described briquetting is threadedly connected on rotor, described briquetting is connected to described outer magnet rotor by described axial thrust bearing, described spring housing is located on described output shaft, one end of spring is connected to described outer magnet rotor, and the other end is connected to the catch of output terminal end.
Certainly in other embodiments, described pushing device also can be that what to adopt in mode of execution two take oil hydraulic cylinder as the technological scheme of drive unit.
In the present embodiment, pushing device is connected to outer magnet rotor, for controlling outer magnet rotor relative sliding, the combination realizing clutch be separated.
Because the active part (the interior magnet rotor namely in the present invention) of clutch is all in motor equal power device by input shaft Hard link, and the Power output of power plant is often understand violent change, as when big foot Hong throttle, and now active part will be subject to strong dynamic impact.If drive end pushing device being arranged at clutch is used for promoting active part motion, because pushing device and active part are also Hard link, thus also cause the intense impact to pushing device, therefore, not only affect the precision of pushing device, also can shorten its working life.And in the present embodiment; pushing device is the driven end (i.e. outer magnet rotor) being arranged at clutch; interior magnet rotor and the outer magnet rotor of clutch are connected by magnetic force; thus serve the effect of a buffer; the external magnet rotor of power plant and the dynamic impact of pushing device has been weakened severely, thus available protecting pushing device not destroy by the impact force of power plant, therefore; not only ensure that the control accuracy of pushing device, also effectively extend its working life.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. the nothing wearing and tearing clutch that point resultant velocity is adjustable, is characterized in that, comprising: input shaft, interior magnet rotor, outer magnet rotor, output shaft and clutch pushing device;
Described interior magnet rotor power is connected to described input shaft, described outer magnet rotor power is connected to described output shaft, described interior magnet rotor and outer magnet rotor are set in turn on same axis, the periphery of interior magnet rotor is provided with the first high-magnetic-density magnetic sheet, the inner ring of outer magnet rotor is provided with the second high-magnetic-density magnetic sheet relative with described first high-magnetic-density magnetic sheet;
Described clutch pushing device is connected to described interior magnet rotor, and in clutch pushing device drives, magnet rotor is along input shaft axial motion, makes described first high-magnetic-density magnetic sheet close to each other with the second high-magnetic-density magnetic sheet or be separated.
2. the nothing wearing and tearing clutch that according to claim 1 point of resultant velocity is adjustable, it is characterized in that, described clutch pushing device comprises: motor, briquetting, axial thrust bearing and spring;
The rotor of described motor is provided with screw thread, described briquetting is threadedly connected on rotor, described briquetting is connected to described interior magnet rotor by described axial thrust bearing, described spring housing is located on described input shaft, one end of spring is connected to described interior magnet rotor, and the other end is connected to the catch of input end end.
3. the nothing wearing and tearing clutch that according to claim 1 point of resultant velocity is adjustable, it is characterized in that, what described interior magnet rotor can be slided to axial by long spline is connected on described input shaft, and described outer magnet rotor is fixedly connected with output shaft by flat key.
4. the nothing wearing and tearing clutch that according to claim 1 point of resultant velocity is adjustable, it is characterized in that, on described interior magnet rotor, the number of the first high-magnetic-density magnetic sheet is equal with the number of the second high-magnetic-density magnetic sheet on outer magnet rotor.
5. the nothing wearing and tearing clutch that according to claim 1 point of resultant velocity is adjustable, it is characterized in that, described clutch pushing device comprises: oil hydraulic cylinder, briquetting axial thrust bearing and spring;
Described briquetting is arranged at the end of the push rod of oil hydraulic cylinder, described briquetting is connected to described interior magnet rotor by described axial thrust bearing, described spring housing is located on described input shaft, and one end of spring is connected to described interior magnet rotor, and the other end is connected to the catch of input end end.
6. the nothing wearing and tearing clutch that point resultant velocity is adjustable, is characterized in that, comprising: input shaft, interior magnet rotor, outer magnet rotor, output shaft and clutch pushing device;
Described interior magnet rotor power is connected to described input shaft, described outer magnet rotor power is connected to described output shaft, described interior magnet rotor and outer magnet rotor are set in turn on same axis, the periphery of interior magnet rotor is provided with the first high-magnetic-density magnetic sheet, the inner ring of outer magnet rotor is provided with the second high-magnetic-density magnetic sheet relative with described first high-magnetic-density magnetic sheet;
Described clutch pushing device is connected to described outer magnet rotor, and clutch pushing device drives outer magnet rotor along output shaft axial motion, makes described first high-magnetic-density magnetic sheet close to each other with the second high-magnetic-density magnetic sheet or be separated.
7. the nothing wearing and tearing clutch that according to claim 6 point of resultant velocity is adjustable, it is characterized in that, described clutch pushing device comprises: motor, briquetting, axial thrust bearing and spring;
The rotor of described motor is provided with screw thread, described briquetting is threadedly connected on rotor, described briquetting is connected to described outer magnet rotor by described axial thrust bearing, described spring housing is located on described output shaft, one end of spring is connected to described outer magnet rotor, and the other end is connected to the catch of output terminal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777469.0A CN105257726A (en) | 2015-11-11 | 2015-11-11 | Non-wear clutch with adjustable disengaging and engaging speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777469.0A CN105257726A (en) | 2015-11-11 | 2015-11-11 | Non-wear clutch with adjustable disengaging and engaging speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105257726A true CN105257726A (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777469.0A Pending CN105257726A (en) | 2015-11-11 | 2015-11-11 | Non-wear clutch with adjustable disengaging and engaging speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105257726A (en) |
Citations (8)
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|---|---|---|---|---|
| CN201054541Y (en) * | 2007-04-25 | 2008-04-30 | 蔡学功 | Magnetic car clutch |
| CN201134745Y (en) * | 2007-12-28 | 2008-10-15 | 南京理工大学 | Permanent magnetic clutch |
| CN102290964A (en) * | 2011-08-02 | 2011-12-21 | 江苏大学 | Wedged disc type adjustable speed magnetic coupling |
| CN102324829A (en) * | 2011-08-02 | 2012-01-18 | 江苏大学 | Adjustable axial asynchronous magnetic force coupler |
| CN102384190A (en) * | 2011-10-27 | 2012-03-21 | 奇瑞汽车股份有限公司 | Electromechanical brake and automobile |
| CN102931806A (en) * | 2012-11-05 | 2013-02-13 | 江苏大学 | Meshing-area-adjusting type synchronous magnetic torque converter and speed regulation method thereof |
| US20150034447A1 (en) * | 2012-01-11 | 2015-02-05 | Zhaoyu Wang | Electromagnetic driving device and methods for manufacturing and controlling same |
| CN205101429U (en) * | 2015-11-11 | 2016-03-23 | 福建工程学院 | Divide sum velocity adjustable not have wearing and tearing clutch |
-
2015
- 2015-11-11 CN CN201510777469.0A patent/CN105257726A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201054541Y (en) * | 2007-04-25 | 2008-04-30 | 蔡学功 | Magnetic car clutch |
| CN201134745Y (en) * | 2007-12-28 | 2008-10-15 | 南京理工大学 | Permanent magnetic clutch |
| CN102290964A (en) * | 2011-08-02 | 2011-12-21 | 江苏大学 | Wedged disc type adjustable speed magnetic coupling |
| CN102324829A (en) * | 2011-08-02 | 2012-01-18 | 江苏大学 | Adjustable axial asynchronous magnetic force coupler |
| CN102384190A (en) * | 2011-10-27 | 2012-03-21 | 奇瑞汽车股份有限公司 | Electromechanical brake and automobile |
| US20150034447A1 (en) * | 2012-01-11 | 2015-02-05 | Zhaoyu Wang | Electromagnetic driving device and methods for manufacturing and controlling same |
| CN102931806A (en) * | 2012-11-05 | 2013-02-13 | 江苏大学 | Meshing-area-adjusting type synchronous magnetic torque converter and speed regulation method thereof |
| CN205101429U (en) * | 2015-11-11 | 2016-03-23 | 福建工程学院 | Divide sum velocity adjustable not have wearing and tearing clutch |
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Application publication date: 20160120 |