CN103307140A - Floating auxiliary roller type overrun clutch - Google Patents
Floating auxiliary roller type overrun clutch Download PDFInfo
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- CN103307140A CN103307140A CN2013102130452A CN201310213045A CN103307140A CN 103307140 A CN103307140 A CN 103307140A CN 2013102130452 A CN2013102130452 A CN 2013102130452A CN 201310213045 A CN201310213045 A CN 201310213045A CN 103307140 A CN103307140 A CN 103307140A
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Abstract
The invention discloses a floating auxiliary roller type overrun clutch which comprises an outer ring, an inner ring, rolling bodies and auxiliary rollers, wherein engagement spaces used for being engaged with or separated from the rolling bodies are formed between the outer ring and the inner ring; the auxiliary rollers are parallel to an axial line of the overrun clutch and are spaced from the rolling bodies; and the auxiliary rollers are arranged between the rolling bodies in such a way that the auxiliary rollers can move in a circumferential direction of the overrun clutch. According to the floating auxiliary roller type overrun clutch, the processing of a limiting seat is avoided, the processing process is simplified, the working efficiency is improved, and the processing cost is reduced; as the auxiliary roller structure is adopted, the axial length of the overrun clutch and the rolling bodies can be theoretically infinitely prolonged, the engagement length is prolonged, the bearing capacity of the overrun clutch is increased, the radial size of the overrun clutch under higher bearing capacity is reduced, and the service life of the overrun clutch is prolonged; and meanwhile, the probability of imbalance caused by application of a pretension force to point contact of each roller in the prior art is removed, thereby enabling each roller to keep parallel to the axial line of the inner ring.
Description
Technical field
The present invention relates to a kind of for Motor Vehicle and mechanically operated clutch equipment, particularly a kind of free wheel device.
Background technique
Free wheel device is the basic components that occur along with the development of power product, and it is the vitals for transmission of power between prime mover and the working machine or between machine intimate driving shaft and the driven shaft and separation function.Mainly be the conversion that utilizes velocity variations or the sense of rotation of driving and driven part, have the voluntarily device of clutch function.In the practice, most is the engagement that utilizes tooth, engagement or rolling element, the wedge action unidirectional delivery motion of voussoir or the clutch of moment of torsion of ratchet-ratchet.
Roller overrunning clutch is easy to make, thereby obtains using comparatively widely in the occasion of fair speed because transmission is uniform and stable and bearing capacity is larger; The roller-type overrunning clutch root in it yoke (star-wheel) position difference be divided into two kinds of out star wheel and star-wheels, star-wheel is provided with the radial groove that holds rolling element, simultaneously, when breaking away from engagement, in order to limit the backward rotation of roller, then need to be provided with limit stoper, this device generally comprises position limit socket and elastic element.No matter be ball type or roller-type overrunning clutch, in inner ring or the outer ring of free wheel device position limit socket and elastic element be set, then need to take the space of larger circumferencial direction, cause the quantity of roller (ball) can't arrange more.Therefore, existing free wheel device running is steady not, and lifting capacity is relatively poor; For the application of needs heavy duty, only have its radial dimension of increase, cause the size of transmission device larger, can not adapt to the needs of modern machinery and equipment.There is again the elastic element of being exactly to act on rolling element and limits it and oppositely mesh at circumferencial direction, any that acts on the rolling element is local in other words, can not reach balance, makes the easy deflection of rolling element, cause consequence stuck or that motion is not smooth, thereby cause mechanical failure.Simultaneously, existing free wheel device owing to needing processing position limit socket and elastic elements, so that the work efficiency of free wheel device is low, is installed complexity, raises the cost.
Therefore, need to improve existing free wheel device, simplify processing and installation process, increase work efficiency, cut down finished cost, guarantee processing and assembly precision; Can be more rolling element is set, guarantee stationarity, steadiness and the lifting capacity of transmission.
Summary of the invention
In view of this, the invention provides a kind of auxiliary roll-type free wheel device that floats, simplify processing and installation process, increase work efficiency, cut down finished cost, guarantee processing and assembly precision; Can be more rolling element is set, guarantee stationarity, steadiness and the lifting capacity of transmission.
The auxiliary roll-type free wheel device that floats of the present invention, comprise outer ring, inner ring and rolling element, be formed between described outer ring and the inner ring and rolling element engagement or the engagement space of separating, also comprise the help roll assembly, described help roll assembly comprises the help roll that is parallel to the free wheel device axis and arranges with the rolling element interval at least, described help roll cylindrical contacts with the adjacent rolling element cylindrical along free wheel device circumferencial direction both sides, and described help roll is to arrange in the movable mode of the circumferencial direction of free wheel device.
Further, described help roll diameter is less than the distance between outer ring inner circle and the inner ring cylindrical; Guarantee that help roll occupies less radial space and forms complete floating structure, to rolling element
Further, described help roll assembly also comprises the help roll support, described help roll with can along the free wheel device circumferencial direction slide and the mode of rotating around self axis by the help roll stent support between outer ring and inner ring;
Further, described help roll support comprises pushing out ring I and the pushing out ring II that arranges corresponding to the help roll two ends, described pushing out ring I and pushing out ring II are respectively equipped with the circular groove along pushing out ring I and pushing out ring II circumferencial direction that penetrates for for help roll two ends, and described help roll two ends are slidingly matched with corresponding circular groove;
Further, described pushing out ring I and pushing out ring II are all between outer ring and inner ring, and the axial outside of pushing out ring I and pushing out ring II is respectively equipped be used to the radial bearing that outer ring and inner ring are rotatably assorted;
Further, the diameter of described help roll is less than 1/2nd of the diameter of rolling element;
Further, described engagement space is by forming between the wedge slot of inner ring Excircle machining and the inner ring cylindrical;
Further, described rolling element is roller;
Further, described radial bearing is rolling bearing, and pushing out ring I and pushing out ring II form respectively circumferentially inside axial ledge, and this axial ledge is withstood the interior ring of corresponding rolling bearing vertically;
Further, the diameter of described help roll is less than 1/3rd of the diameter of rolling element.
Beneficial effect of the present invention: the auxiliary roll-type free wheel device that floats of the present invention, employing is independent of the help roll structure of outer ring and inner ring, and adopt servo-actuated floating structure, be used for the spacing between the maintenance rolling element, elastic element and the position limit socket of cancellation prior art, avoid on outer ring or inner ring, directly processing position limit socket, simplify course of working, increase work efficiency, cut down finished cost, guarantee processing and assembly precision, increase the service life and guarantee the transmission effect, and easily change after associated components damages, reduce the maintenance and use cost; Owing to adopting the help roll structure, do not adopt independent elastic element, the axial length that can theory unlimited prolongs free wheel device and rolling element, increase length of action, that is to say, can increase according to the load-bearing needs axial length of free wheel device, thereby increase the bearing capacity of free wheel device, and reduce to prolong the working life of free wheel device than the free wheel device radial dimension under the high bearing capacity; Simultaneously, because help roll directly contacts with rolling element, when particularly adopting roller construction, the point contact to roller of eliminating prior art applies the unbalanced possibility that pretightening force produces, guarantee than major axis spacing balance to rolling element under the prerequisite of size, make it not depart from parallel with inner ring axis, thereby guarantee the stable operation of free wheel device, avoid mechanical failure.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention;
Fig. 2 is that Fig. 1 is along A-A to sectional view;
Fig. 3 is that Fig. 1 is along B place enlarged view.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is that Fig. 1 is along A-A to sectional view, Fig. 3 is that Fig. 1 is along B place enlarged view, as shown in the figure: the auxiliary roll-type free wheel device that floats of the present embodiment, comprise outer ring 1, inner ring 2 and rolling element 3, be formed between described outer ring 1 and the inner ring 2 and rolling element engagement or the engagement space 9 of separating, also comprise the help roll assembly, described help roll assembly comprises the help roll 4 that is parallel to free wheel device axis (also being the axis of outer ring 1 and inner ring 2 simultaneously) and arranges with rolling element 3 intervals at least, and the interval arranges and is the structure that a help roll 4 is set between per two rolling elements 3; Described help roll 4 cylindricals contact with adjacent rolling element 3 cylindricals along free wheel device circumferencial direction (also being the circumferencial direction of outer ring 1 and inner ring 2 simultaneously) both sides, described help roll 4 is to arrange in the movable mode of the circumferencial direction of free wheel device, this set-up mode has various structures, namely adopt existing mechanical structure, can realize that help roll gets final product the free wheel device circumferencial direction is servo-actuated, does not repeat them here.
In the present embodiment, described help roll 4 diameters are less than the distance between outer ring 1 inner circle and inner ring 2 cylindricals; Make help roll 4 have relatively freely radially activity space, avoid occuring the operation interference, thereby guarantee the smooth and easy operation of stablizing of rolling element 3 so that whole free wheel device.
In the present embodiment, described help roll assembly also comprises the help roll support, described help roll 4 with can along the free wheel device circumferencial direction slide and the mode of rotating around self axis by the help roll stent support between outer ring 1 and inner ring 3; Guarantee rotation or the free sliding degree of help roll 4, thereby further guarantee the floating property of help roll 4, so that when free wheel device moves, form rolling friction between rolling element 3 and the help roll 4, reduce power consumption, and so that the stability of free wheel device is better.
In the present embodiment, described help roll support comprises pushing out ring I 5 and the pushing out ring II 6 that arranges corresponding to help roll 4 two ends, described pushing out ring I 5 and pushing out ring II 6 be respectively equipped with for penetrate for help roll 4 two ends (Fig. 3 has expressed the circular groove 51 on the pushing out ring I 5 along the circular groove of pushing out ring I 5 and pushing out ring II 6 circumferencial directions, circular groove 51 structures on circular groove on the pushing out ring II 6 and the pushing out ring I 5 are similar and all inside), described help roll 4 two ends are slidingly matched with corresponding circular groove, be that an end of help roll 4 penetrates the circular groove 51 on the pushing out ring I 5, the other end penetrates the circular groove on the pushing out ring II 6; Adopt the mounting structure of circular groove, simple in structure, assembling easily, and is further so that the designs simplification of free wheel device reduces cost.
In the present embodiment, described pushing out ring I 5 and pushing out ring II 6 are all between outer ring 1 and inner ring 2, and the axial outside of pushing out ring I 5 and pushing out ring II 6 is respectively equipped with for the radial bearing that outer ring 1 and inner ring 2 are rotatably assorted (figure is respectively radial bearing 7 and radial bearing 8), and the axial outside of pushing out ring I 5 and pushing out ring II 6 refers to vertically the direction to the free wheel device two ends; Adopt the radial bearing structure that inner ring and the outer ring of free wheel device are formed support, certainly, this support should have certain radial clearance, to guarantee the normal engagement of free wheel device or disengaging engagement; Owing to having the support of radial bearing, can effectively prevent the reverse engagement of free wheel device, thereby guarantee the normal operation of free wheel device.
In the present embodiment, the diameter of described help roll 4 is less than 1/2nd of the diameter of rolling element; Less help roll size can more be arranged rolling element, improves the operation stability of free wheel device and improves bearing capacity.
In the present embodiment, described engagement space 9 is by forming between the wedge slot of inner ring Excircle machining and the inner ring cylindrical; Simplified processing process improves work efficiency, and cuts down finished cost.
In the present embodiment, described rolling element 3 is roller; As shown in the figure, be arranged in parallel between help roll 4 and the roller, namely help roll 4 forms vertically line with roller and contacts, thereby help roll forms stable support to roller, avoids in the prior art the unbalanced problem of roller support force.
In the present embodiment, described radial bearing (radial bearing 7 and radial bearing 8) is rolling bearing, pushing out ring I 5 and pushing out ring II 6 form respectively circumferentially inside axial ledge, this axial ledge is withstood the interior ring of corresponding rolling bearing vertically, be the interior ring that the axial ledge of pushing out ring I 5 is withstood radial bearing 7, the axial ledge of pushing out ring II 6 is withstood the interior ring of radial bearing 8; Both guarantee the smooth and easy operation of this free wheel device, can also guarantee its axially compact.
In the present embodiment, the diameter of described help roll 4 is less than 1/3rd of the diameter of rolling element.
In the present embodiment, the 1 cylindrical one-body molded external gear that is provided with in described outer ring is beneficial to transmission.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. auxiliary roll-type free wheel device that floats, comprise outer ring, inner ring and rolling element, be formed between described outer ring and the inner ring and rolling element engagement or the engagement space of separating, it is characterized in that: also comprise the help roll assembly, described help roll assembly comprises the help roll that is parallel to the free wheel device axis and arranges with the rolling element interval at least, described help roll cylindrical contacts with adjacent rolling element cylindrical, and described help roll is to arrange in the movable mode of the circumferencial direction of free wheel device.
2. according to claim 1 floating assisted the roll-type free wheel device, and it is characterized in that: described help roll diameter is less than the distance between outer ring inner circle and the inner ring cylindrical.
3. according to claim 2 floating assisted the roll-type free wheel device, it is characterized in that: described help roll assembly also comprises the help roll support, described help roll with can along the free wheel device circumferencial direction slide and the mode of rotating around self axis by the help roll stent support between outer ring and inner ring.
4. according to claim 3 floating assisted the roll-type free wheel device, it is characterized in that: described help roll support comprises pushing out ring I and the pushing out ring II that arranges corresponding to the help roll two ends, described pushing out ring I and pushing out ring II are respectively equipped with the circular groove along pushing out ring I and pushing out ring II circumferencial direction that penetrates for for help roll two ends, and described help roll two ends are slidingly matched with corresponding circular groove.
5. according to claim 4 floating assisted the roll-type free wheel device, it is characterized in that: described pushing out ring I and pushing out ring II are all between outer ring and inner ring, and the axial outside of pushing out ring I and pushing out ring II is respectively equipped be used to the radial bearing that outer ring and inner ring are rotatably assorted.
6. the auxiliary roll-type free wheel device that floats according to claim 5 is characterized in that: the diameter of described help roll is less than 1/2nd of the diameter of rolling element.
7. the auxiliary roll-type free wheel device that floats according to claim 6 is characterized in that: described engagement space is by forming between the wedge slot of inner ring Excircle machining and the inner ring cylindrical.
8. according to claim 7 floating assisted the roll-type free wheel device, and it is characterized in that: described rolling element is roller.
9. according to claim 8 floating assisted the roll-type free wheel device, it is characterized in that: described radial bearing is rolling bearing, pushing out ring I and pushing out ring II form respectively circumferentially inside axial ledge, and this axial ledge is withstood the interior ring of corresponding rolling bearing vertically.
10. the auxiliary roll-type free wheel device that floats according to claim 9 is characterized in that: the diameter of described help roll is less than 1/3rd of the diameter of rolling element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213045.2A CN103307140B (en) | 2013-05-31 | 2013-05-31 | Floating auxiliary roller type overrun clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213045.2A CN103307140B (en) | 2013-05-31 | 2013-05-31 | Floating auxiliary roller type overrun clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307140A true CN103307140A (en) | 2013-09-18 |
| CN103307140B CN103307140B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310213045.2A Expired - Fee Related CN103307140B (en) | 2013-05-31 | 2013-05-31 | Floating auxiliary roller type overrun clutch |
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| CN (1) | CN103307140B (en) |
Cited By (36)
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| CN103925308A (en) * | 2014-04-25 | 2014-07-16 | 重庆隆旺机电有限责任公司 | Non-friction clutch |
| CN105090484A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Electric motorcycle inner rotor motor spiral taper sleeve driving self-adaption automatic transmission drive assembly |
| CN105090282A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Following-type overrunning clutch with parallel rolls |
| CN105090485A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Lateral hanging spiral type taper sleeve transmission self-adaptation automatic speed changing drive assembly of electric motor car |
| CN105090421A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Bow cone type two-gear self-adaptation automatic variable speed driving assembly for external rotor motor of electric motorcycle |
| CN105090487A (en) * | 2015-09-08 | 2015-11-25 | 梁稚子 | Internal rotor concave-convex friction driven adaptive automatic transmission driving assembly of electric motorcycle |
| CN105090486A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Outer rotor motor spiral type taper sleeve transmission self-adaptation automatic speed changing drive assembly of electric motor car |
| CN105114484A (en) * | 2015-09-08 | 2015-12-02 | 西南大学 | Bow-type overrunning clutch |
| CN105114572A (en) * | 2015-09-08 | 2015-12-02 | 梁稚子 | Electric motorcycle external rotor motor biconical friction transmission self-adaptive automatic speed-changing drive assembly |
| CN105114584A (en) * | 2015-09-21 | 2015-12-02 | 重庆市科学技术研究院 | Arc-shaped friction transmission self-adaptation automatic transmission used for electric automobile |
| CN105114615A (en) * | 2015-09-08 | 2015-12-02 | 梁稚子 | Electric motorcycle internal rotor motor biconical friction transmission self-adaptive automatic speed-changing drive assembly |
| CN105114614A (en) * | 2015-09-21 | 2015-12-02 | 西南大学 | Spiral type triangular friction transmission self-adaptation automatic variable speed drive assembly of electric motorcycle |
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| CN105129016A (en) * | 2015-09-09 | 2015-12-09 | 西南大学 | Side-hung bow cone swing type self-adaption automatic variable-speed drive assembly for electric motorcycle |
| CN105156662A (en) * | 2015-09-08 | 2015-12-16 | 西南大学 | Waveform friction transmission self-adaption automatic speed change drive assembly of external rotor electric machine of electric motorcycle |
| CN105156504A (en) * | 2015-09-08 | 2015-12-16 | 西南大学 | Spiral transmission single roller type overrun clutch |
| CN105156663A (en) * | 2015-09-08 | 2015-12-16 | 西南大学 | Inner rotor motor wave-shaped friction transmission self-adaption automatic variable speed drive assembly of electric motor car |
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| CN105179631A (en) * | 2015-09-21 | 2015-12-23 | 重庆市科学技术研究院 | Wavy friction drive self-adaption automatic gearbox for electric cars |
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| CN105253245A (en) * | 2015-09-08 | 2016-01-20 | 梁稚子 | Electric motor car external rotor electric machine concave-convex friction drive self-adaption automatic transmission drive assembly |
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| CN105370835A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Bow cone type two-gear self-adaptation automatic speed changing drive assembly of inner rotor motor of electric motorcycle |
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| CN105370875A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Bow disc type two-gear self-adaptation automatic speed changing drive assembly of outer rotor motor of electric motorcycle |
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| CN103925308A (en) * | 2014-04-25 | 2014-07-16 | 重庆隆旺机电有限责任公司 | Non-friction clutch |
| CN105090282B (en) * | 2015-09-08 | 2017-10-13 | 西南大学 | Trailing type parallel rollers freewheel clutch |
| CN105090487A (en) * | 2015-09-08 | 2015-11-25 | 梁稚子 | Internal rotor concave-convex friction driven adaptive automatic transmission driving assembly of electric motorcycle |
| CN105370835A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Bow cone type two-gear self-adaptation automatic speed changing drive assembly of inner rotor motor of electric motorcycle |
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| CN105156662A (en) * | 2015-09-08 | 2015-12-16 | 西南大学 | Waveform friction transmission self-adaption automatic speed change drive assembly of external rotor electric machine of electric motorcycle |
| CN105090486A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Outer rotor motor spiral type taper sleeve transmission self-adaptation automatic speed changing drive assembly of electric motor car |
| CN105114484A (en) * | 2015-09-08 | 2015-12-02 | 西南大学 | Bow-type overrunning clutch |
| CN105156504A (en) * | 2015-09-08 | 2015-12-16 | 西南大学 | Spiral transmission single roller type overrun clutch |
| CN105365996B (en) * | 2015-09-08 | 2018-11-16 | 梁稚子 | Battery-operated motor cycle side hanging bends two grades of self-adapting automatic gear shift drive assembly of bevel-type |
| CN105114615A (en) * | 2015-09-08 | 2015-12-02 | 梁稚子 | Electric motorcycle internal rotor motor biconical friction transmission self-adaptive automatic speed-changing drive assembly |
| CN105090484A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Electric motorcycle inner rotor motor spiral taper sleeve driving self-adaption automatic transmission drive assembly |
| CN105365996A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Laterally hung bow cone type two-gear self-adaption automatic speed change driving assembly for electric motorcycle |
| CN105090485A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Lateral hanging spiral type taper sleeve transmission self-adaptation automatic speed changing drive assembly of electric motor car |
| CN105090282A (en) * | 2015-09-08 | 2015-11-25 | 西南大学 | Following-type overrunning clutch with parallel rolls |
| CN105114572A (en) * | 2015-09-08 | 2015-12-02 | 梁稚子 | Electric motorcycle external rotor motor biconical friction transmission self-adaptive automatic speed-changing drive assembly |
| CN105156663A (en) * | 2015-09-08 | 2015-12-16 | 西南大学 | Inner rotor motor wave-shaped friction transmission self-adaption automatic variable speed drive assembly of electric motor car |
| CN105253245A (en) * | 2015-09-08 | 2016-01-20 | 梁稚子 | Electric motor car external rotor electric machine concave-convex friction drive self-adaption automatic transmission drive assembly |
| CN105465227A (en) * | 2015-09-08 | 2016-04-06 | 西南大学 | Screw drive type overrun clutch |
| CN105172991A (en) * | 2015-09-08 | 2015-12-23 | 梁稚子 | Bow disc type two-gear self-adaption automatic speed change drive assembly of inner rotor motor of electric motorcycle |
| CN105370875A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Bow disc type two-gear self-adaptation automatic speed changing drive assembly of outer rotor motor of electric motorcycle |
| CN105156618A (en) * | 2015-09-09 | 2015-12-16 | 西南大学 | External rotor motor cyrtoconic swing type self-adaption automatic variable speed drive assembly of electric motor car |
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| US11644095B1 (en) | 2021-10-28 | 2023-05-09 | Schaeffler Technologies AG & Co. KG | Slipper clutch transmission brake |
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