CN106051109A

CN106051109A - Drive element

Info

Publication number: CN106051109A
Application number: CN201610215282.6A
Authority: CN
Inventors: M.施密特; F.米歇尔; H.施赖贝尔; C.盖森德费尔; T.布尔格
Original assignee: Wittenstein SE
Current assignee: Wittenstein SE
Priority date: 2015-04-10
Filing date: 2016-04-08
Publication date: 2016-10-26
Anticipated expiration: 2036-04-08
Also published as: DE102015105522A1; DE102015105522B4; CN106051109B

Abstract

A drive element (50) for a gearing, in particular a coaxial gearing, with teeth, which are guided radially in a tooth carrier and displaceably, and which are mounted with their tooth roots on pivoting segments and engage with their toothed teeth in a toothing system, the drive element (50, 150) comprising a cam disk (22), which is arranged in the region of the cam disk (20), is provided with a profiling (22) for supporting rolling bodies on which the pivoting segments are displaceably mounted in the circumferential direction Bearing portion (46) is provided.

Description

Drive element

Technical field

The present invention relates to drive element and for using the method driving element.

Background technology

Known transmission mechanism from the prior art, this drive mechanism includes some teeth, and this tooth can be bearing in tooth carrier with moving radially.In order to drive described tooth, use the driving element such as cam disc with profile.Described tooth embeds in teeth portion, such that it is able to cause the relative motion between tooth carrier and the teeth portion with tooth.Here, the relative motion between teeth portion and tooth is less than the motion driving element with described profile with at least an order of magnitude.In this way it is possible to obtain high transmission, at DE 10 2007 011 175 A1 disclose the example of such drive mechanism.

But, integrated and dumb relative in the combination of power train i.e. motor and one or more drive mechanism of the known linkage section of this structure type ground.The demand existed it is possible to be integrated in assembly or in power train the drive mechanism opening literary composition description type neatly.

Summary of the invention

The task of the present invention is, illustrates that the most especially, the motility that should realize improving maybe should simplify manufacture relative to the known improved drive mechanism of device from the prior art or the parts of drive mechanism or assembly.In addition the task of the present invention is, the method for using such device is described.

Use according to driving element and using the method driving element to solve this task according to being used for described in claim arranged side by side described in claim 1.Favourable modification and embodiment is drawn from dependent claims and this explanation.

One aspect of the present invention relates to the driving element of drive mechanism, this drive mechanism is especially with the coaxial gear set of multiple teeth that are that radially guide in tooth carrier and that can support movably, described tooth utilizes its tooth root be bearing on pivot sections and utilize its tooth top to be applied in teeth portion, wherein, driving element includes: with the cam disc of the profile for roller body, pivots sections and can be bearing in movably on this cam disc on direction；Support section, this support section is axially arranged in juxtaposition with cam disc；Kong Yuan, this Kong Yuan are arranged in support section.

On the other hand relate to one of typical embodiment described here drives element and the drive mechanism with multiple teeth that are that radially guide in tooth carrier and that can support movably, described tooth utilizes its tooth root be bearing on pivot sections and utilize its tooth top to be applied in teeth portion, wherein, pivoting member utilizes rolling element bearing on the cam disc driving element.

On the other hand relating to the driving element in one of typical embodiment described here and the assembly of installed part, this installed part includes the installation support section of the overall diameter with the overall diameter corresponding to the support section driving element and/or the installing hole circle of the diameter with the hole diameter of a circle corresponding to driving element.

On the other hand relate to the drive mechanism in one of embodiment described here and the power train of driving means, the drive element of this driving means utilizes installed part to be connected with the driving element of drive mechanism, wherein, between the step installing step and driving element of installed part, it is fixed with the bearing inner ring of bearing.

On the other hand relating to the purposes driving element in one of typical embodiment described here, this purposes is for including that the drive mechanism driving element is connected with installed part.

Embodiments of the present invention particularly relate to coaxial gear set.Generally, typical drive mechanism or be provided for the drive mechanism driving element of described embodiment and include that this tooth bar is that externally-located this situation of driving element provides teeth portion as driving the internally positioned cam disc with profile of element and the hollow wheel with internally positioned teeth portion or driving element and internally positioned gear or internally positioned tooth bar with the externally-located of internal profile.The allocation plan of described embodiment relates to transform the rotation into the linear driving means into linear motion.

Teeth portion is typically the teeth portion of cincture.The tooth top of tooth or tooth is applied in teeth portion, and wherein, tooth is typically relative to tooth carrier and can support the most movably linearly.Here, " linear ground is radially " generally represents, there is guiding diametrically, this guiding allows the only one motion of tooth diametrically.Typically, by described guiding, pitch section is linearly mobile on an accurate direction, this point can such as be accomplished by, the most described tooth has the most identical cross section in the direction of movement about specific road section length, wherein, tooth carrier has the opening for the pitch section with the most identical cross section equally.Equally, tooth correspondingly can support, typically on the direction of the longitudinal axis of tooth in tooth carrier on an accurate direction movably.Additionally, in typical embodiment, tooth is locked out relative to the rotary freedom around the longitudinal axis of drive mechanism of tooth carrier.Can such as utilize the tooth linear guiding diametrically in tooth carrier to realize this point.By this way, described tooth rotates around the longitudinal axis of drive mechanism along with tooth carrier, but not with respect to tooth carrier rotation.

In the typical embodiment of the drive mechanism according to the present invention, at least some of of tooth designs the most yieldingly.At this typically, concept " the most flexible " technically understands, say, that the bending of tooth is the least due to the rigidity of the material of tooth so that this tooth is the most inessential for the kinesiology of drive mechanism.Unbending tooth especially includes such tooth, and this tooth is made up of metal alloy especially steel or titanium alloy, nickel alloy or other alloy.Additionally, also especially be able to arrange the unbending tooth that formed by plastics in tumbler, in this drive mechanism, components described below at least one be made of plastics equally: teeth portion, tooth carrier at hollow wheel or gear and drive element.In the typical embodiment of the present invention, tooth carrier and tooth are made up of metal alloy, or the most extraly, teeth portion or additionally the most described driving element are made up of metal alloy.Such drive mechanism provides the advantage that, described drive mechanism is the most antitorque and can highly load.The drive mechanism being made of plastics provides the advantage that, this drive mechanism has little weight.Expression way " the most flexible " especially refers to the bending rigidity of the transversal line around pitch section.This means especially that, when pitch section is considered as beam, there is bending rigidity from tooth root to tooth top, and this bending rigidity at least substantially eliminates the flexural deformation between tooth root and tooth top.Achieving the extremely large of drive mechanism by described bending rigidity can loading and torsional rigidity.

In typical embodiment, arranging pivot sections between tooth and profile, this pivot sections is bearing on rolling bearing, and this rolling bearing is supported on again on described profile.Advantageous embodiment includes pivoting sections, and this pivot sections is arranged in the driving element with profile and accordingly between at least one tooth.Pivot sections and achieve tooth relative to profile or relative to pivoting tumbling of sections.Typically, at least two tooth is bearing on pivot sections.Multiple teeth pivoted on sections that are bearing in the most axially are arranged in juxtaposition.

Typically, pitch section is connected loosely with pivoting sections.Here, " connection loosened " preferably represents, pitch section only sets up to pivot on sections, generally directly sets up.Preferably pivoting sections and include contour feature, this contour feature hinders tooth skid from pivoting sections or pivot sections skidding the most in one direction.It is contemplated that, pivot sections by this way by being radially kept relative to tooth carrier on direction in its position with linear the tooth guided.Such contour feature can e.g. swell, and this protuberance is applied in depression.Ensureing by this way, pitch section does not slide past pivot sections.It hereby is obtained that, pivots sections and be fixed on the position of tooth and eliminate in the circumferential in pitch section and the relative motion that pivots between sections.Here, preferably, so arrange described contour feature so that locking mobility in the circumferential, thus avoid skidding in the circumferential.But, in other embodiments, it is also possible to arrange ball-and-socket type, spherical or other projection, this projection hinders the skidding pivoting sections relative to tooth.

The typical sections that pivots achieves the supporting of segmentation.In typical embodiment, pivot sections or other the sections such as plate that supports defines the supporting of segmentation.The supporting of segmentation provides the advantage that, this supporting can be mated the profile of driving element and on the other hand achieve reliable power transmission diametrically.

Pivot sections preferably to have with projection and the seamed edge towards each other of depression (such as corrugated or zigzag).This point provides the advantage that, pivots the needle roller below sections in the space being also reliably held in the case of the less spacing pivoted between sections between pivot sections and driving element even if being arranged in.

The advantage that the connection loosened between pitch section and pivot sections provides simple in construction.Especially representing in this " connection loosened ", tooth is protected not with respect to raising from pivot sections.In the drive mechanism of affiliated type, the general tooth of obstruction in the following manner is from the rising of pivot sections, i.e. tooth is guided by teeth portion at tooth top.

The typical embodiment of the present invention includes the driving element with profile.Profile preferably has arch or the curve of non-circular or non-ellipse.Non-circular or non-ellipse arch provides the advantage that, it is possible to use arbitrary profile, in order to such as set different gear ratios.In the meaning of the application, eccentric part equally circular or in the shape of ellipse, this is because, for eccentric part, the only axis of the most corresponding circle of pivot center, but still there is circle.In typical embodiment, tooth carrier or teeth portion construct circularly.This point provides for tooth carrier and the advantage of the simple geometric properties of teeth portion.Typically, between teeth portion and tooth carrier, on the side slowly of drive mechanism, power transmission is carried out.This point provides the advantage that, the shortest for the stroke of power transmission such that it is able to obtain extremely large rigidity.Meet the embodiment of these conditions in the embodiment of non-terminal: with the internally positioned cam disc as driving means with the drive mechanism of the externally-located hollow wheel with teeth portion, wherein, tooth carrier is arranged between hollow wheel and cam disc；The externally-located profile at hollow wheel driven inwardly towards teeth portion for the tooth that will be able to move radially, this teeth portion is arranged on gear or tooth bar.

Teeth portion and tooth typically have the edge of bending.Example for the bending at edge is bending or the bending with the spiral of logarithm as form of column casing shape.For the possible embodiment of the described bending with the spiral of logarithm as form, it is referred to DE 10 2007 011 175 A1.Curved surface provides the advantage that, be in active edge planes ground and be more than the most linearly or point-like rest against.By this way, it is achieved that the extreme rigidity when power between teeth portion and tooth is transmitted.

In typical embodiment, support section is axially arranged near cam disc, and this support section has Kong Yuan.Kong Yuan is typically integrated in support section, and wherein, the hole of Kong Yuan also is able to stretch into until in cam disc in embodiments.Achieve compact structure form by this way.Support section typically column casing shape or there is the section of column casing shape.Typically, the periphery of support section is hardened ground and/or manufactures exactly.Achieve bearing engagement accurately by this way.In typical embodiment, whole driving element is hardened.It is achieved in this manner, it is possible to use the component of hardening to meet multiple demand, the most accurately bearing engagement and for pivoting the work surface of the rolling element of the bearing of the sections hardening on cam disc.

In typical embodiment, middle vacant lot design cam disc, wherein, the interior diameter of cam disc is less than hole diameter of a circle.Here, hole diameter of a circle is typically represented as by the diameter described by the axis in hole.In other embodiments, the extension of the radial direction that the interior diameter of cam disc is inside less than hole circle.

In typical embodiment, cam disc has the edge for axially roller body.By this way, it not absolutely required, be provided with the extra axial insurance for rolling element.

Typical embodiment includes with flat or stepless rolling bearing face or edge bearing face or the pivot sections in the face towards rolling bearing.This point achieves the simple manufacture pivoting sections.Typically, pivoting sections can be supported on rolling element accordingly with rolling bearing face, wherein, axially arranges each edge bearing face pivoting in both sides at sections.Two edge bearing faces are typically at least partly supported on the edge of cam disc.By this way, hinder pivot sections relative to around the axial insurance tumbled about drive mechanism.Typical rolling element is needle roller, but wherein, it is also possible to use ball or other rolling element.

Typically, element is driven to construct with monomeric fashion.Typical driving element includes the cam disc integrated embodiment together with support section.Typically, support section next-door neighbour cam disc ground is the most jointly implemented with cam disc.In typical embodiment, it is possible to arranging extra shaft part with being especially opposite to support section on the opposed side of cam disc, this shaft part is integrally implemented with cam disc and support section.Such shaft part can such as have gear shaping portion or smoothly carries out and realize folder connection or be connected with the rotor of motor.Achieve compact embodiment by this way.

In typical embodiment, between support section and cam disc, it is provided with centre portion.In other embodiments, cam disc is immediately to support section.Typically, between cam disc and support section, step it is provided with.

Typically, support section have than cam disc or diameter that the minimum diameter at edge of cam disc is less.Step can be set up by this way.

In embodiments, utilizing centre portion to set up step, this centre portion is arranged between cam disc and support section.This achieves the pervasive selection of least radius of cam disc.

Typically, described step is arranged at the periphery driving element, and wherein, typical step achieves the fixing of bearing or clamping, this bearing especially deep groove ball bearing or general rolling bearing, the most usually ball bearing or with taper or the rolling bearing of rolling element of cylinder.

In one of typical embodiment described here, the typical embodiment of assembly includes driving element.Additionally, such assembly typically comprises installed part, this installed part has the installation support section of the overall diameter with the overall diameter corresponding to the support section driving element.

The typical embodiment of installed part includes the installing hole circle with the diameter corresponding to the hole diameter of a circle driving element.Select to be accomplished that by the identical diameter for Kong Yuan, connect by threaded or pin or typically installed part can be connected with driving element by fixture.The identical overall diameter of support section achieves and utilizes a bearing that two member supportings are being driven the handing-over position between element and installed part.Additionally, the clamping of the bearing in other words of bearing inner ring or fixed party face are by driving element to realize and on the other hand being realized by installed part.This can simplify structure and accelerate assembling.

The typical installed part of the present invention includes the installation step for fixing bearing at periphery.Typically, step is installed be connected to support section is installed.Typically, installed part is hollow.In the typical embodiment of the present invention, the interior diameter of the interior diameter correspondence support section of the installed part of hollow and/or the interior diameter of cam disc.In typical embodiment, installed part and driving element have unified interior diameter continuously.In embodiments, it is also possible in the case of the interior diameter that the holding in driving the region at the handing-over position between element and installed part is identical, step is axially set, in order to easily change or guarantee that installed part is relative to the centralized positioning driving element.

Typical assembly includes driving means, and the drive element of this driving means is connected with installed part or implements with monomeric fashion with installed part.At this, driving means the most usually understands in typical embodiment, i.e. " driving means " a kind of device can be described, this device is arranged in the driving side driving element of drive mechanism, thus a kind of pre-level is the most also described, the pre-level of planet being driven by a motor the most again.In this example embodiment, power train is: motor drives the pre-level of described planet, and the pre-level of this planet is further through driving drive mechanism described in element drives.In other typical embodiment, driving means generally comprises the pre-level of drive mechanism, the pre-level of such as planet, the especially pre-level of the planet of hollow or with the pre-level of planet of solid shafting, the pre-level of angle, gear shaping portion, connection adapter or usually motor, especially electro-motor or hydraulic motor.

Typical assembly includes the diaphragm for improving coefficient of friction, and this diaphragm arrangement is used for or is applicable to loading installed part and driving between element.Typical diaphragm can e.g. model EK A Grip 10, for improving the typical coefficient of friction of diaphragm of coefficient of friction between 0.3 and 0.7, typically between 0.4 and 0.6.By described diaphragm, it is possible to improve in installed part the most such as driving means and drive the frictional fit between element.

In typical power train, there is the element of assembly as described herein, in particular, drive mechanism is provided with the driving element in one of typical embodiment described here, and there is driving means, the drive element of this driving means utilizes installed part to be connected with the driving element of drive mechanism.In typical embodiment, drive element is integrally implemented with installed part.In other embodiments, the output shaft of drive element such as motor drive shaft or drive mechanism is connected with installed part.Typically, between the step installing step and driving element of installed part, it is fixed with the bearing inner ring of bearing.Such power train has especially compact structure form.

Accompanying drawing explanation

Specifically explain the present invention below by means of accompanying drawing, wherein, accompanying drawing shows that

Fig. 1 schematically illustrates the embodiment of drive mechanism in half sectional view；

Fig. 2 shows the concrete condition of the embodiment of Fig. 1 in the cross-section；

Fig. 3 shows the embodiment driving element in the cross-section；

Fig. 4 shows the embodiment of assembly in the cross-section；

Fig. 5 shows another embodiment of assembly in the cross-section, and Fig. 6 shows another embodiment of assembly in the cross-section.

Detailed description of the invention

The typical embodiment of the present invention is hereafter described by accompanying drawing, wherein, the invention is not restricted to described embodiment, and the scope of the present invention is determined by claim.In the explanation of embodiment, use the identical reference for same or similar parts the most in different drawings and to different embodiment, in order to make to illustrate clearer.It is not intended that, the corresponding parts of the present invention are limited to the flexible program shown in embodiments.

An embodiment is illustrated in FIG in half sectional view of signal.Fig. 1 schematically illustrates drive mechanism 1 in half section, and this drive mechanism has the hollow wheel 3 of the teeth portion 5 with internally positioned cincture.Second half of drive mechanism 1 is similarly constructed with the section shown in section.Tooth 7 is applied in teeth portion 5.For the sake of more clear, not each tooth 7 of Fig. 1 also is provided with reference 7.Typically, it is provided with two axially in parallel gear rings with single tooth 7.Tooth 7 radially can be bearing in tooth carrier 11 movably.To this, tooth carrier 11 has the circular of the passage shape of radial directed or the opening of channel-shaped, and this opening ensure that the guiding of the tooth 7 radial direction in tooth carrier 11.Guiding based on radial direction in the opening, to tooth 7 only possible be the longitudinal line of movement radially along this tooth, especially eliminate the longitudinal axis around drive mechanism 1 relative to the rotation of tooth carrier 11.

The longitudinal axis of tooth typically describes the axis moved towards from tooth root to tooth top, and the longitudinal axis of drive mechanism points to the direction of pivot center of drive mechanism.This e.g. can use the pivot center of the tooth carrier as slave unit also or the pivot center of cam disc.

Tooth 7 is by driving element (see figure 3) to drive, and this driving element includes the cam disc 20 of hollow.Cam disc 20 has profile 22, in order to drive tooth 7 diametrically.Profile 22 has the tendency with two projections relative to perimembranous, thus the most opposed tooth 7 farthest enters in the backlash of teeth portion 5.In other embodiments (for example, see Fig. 6), cam disc has three projections and also has more projection at other embodiment convexity wheel disc.

In the drive mechanism 1 with rolling bearing shown in FIG, tooth 7 is arranged on the profile driving element.Rolling bearing includes rolling element 23, and this rolling element is embodied as needle roller in this embodiment.

In the embodiment in figure 1, cam disc is arranged in inside and teeth portion is externally arranged.In such an arrangement, slave unit holds at the hollow wheel with teeth portion or at tooth carrier, wherein, secures the most other element.In other embodiments, driving element to be externally arranged, i.e. in the outside of tooth carrier, and teeth portion is arranged in inside.Furthermore it is possible that slave unit is held at internal teeth portion or tooth carrier.Tooth carrier also is able to be described as tooth cage with its opening, can be contained in movably in this tooth carrier to the most linear guiding of tooth.

Drive mechanism 1 includes the support of the segmentation for tooth 7.The support of segmentation includes pivoting sections 24, this pivot sections is accordingly in the tooth bearing-surface (see figure 2) on the side of tooth 7 with circle, this tooth bearing-surface forms protuberance, the root of tooth 7 or in typical embodiment 2,3 or 4 tooth can be arranged in side by side on this protuberance in the axial direction of drive mechanism 1.Described protuberance jointly hinders the skidding at the tooth 7 pivoted on sections 24 with the corresponding groove in the tooth root of corresponding tooth 7.

Utilize described protuberance relative configurations to go out the root movable joint for tooth 7, thus tooth 7 can be tumbled relative to pivoting sections 24, in order to ensure there is no compulsory guiding.Pivot sections 24 to move up in cincture side relative to one another, such that it is able to change in the spacing pivoted between sections 24.By this way, the degree of freedom on the cincture direction pivoting sections 24 it is not locked at yet.This point achieve to a great extent without compulsory guiding and by the profile 22 of cam disc 20 to pivot that sections 24 carried out to a great extent without the driving of compulsory radial direction.In order to reduce the frictional resistance between profile 22 and pivot sections 24, rolling element 23 is set to needle roller.In other embodiments, ball or other rolling bearing are provided for supporting and pivot sections.

Fig. 1,2 and 3 describe associatedly, and wherein, not every concrete condition is again explained and identical parts are used reference in the same manner.

Illustrate the pivot sections 24 of the drive mechanism 1 of Fig. 1 in fig. 2.Pivot sections 24 and include tooth support on the side towards tooth 7 of pivot segment section 24 in drive mechanism 1.The tooth support pivoting sections 24 includes tooth bearing-surface 28, and this tooth bearing-surface includes the circular face section at least one tooth 7 corresponding.The circular face section of tooth bearing-surface 28 designs circularly at this.The midpoint of circle and the rolling bearing face 30 pivoting sections 24 overlap.Thus, for being bearing in the tooth 7 pivoted on sections 24, it is provided that each pivot center 32, this pivot center overlaps with axis of rolling bearing surface 30.Here, rolling bearing face 30 is the side departing from tooth pivoting sections 24, the most such side, i.e. this side are towards rolling element 23 also or cam disc 20.Corresponding such of rolling bearing face 30, rolling element 23 rolls on this face.

Pivot sections 24 to be included in around the sections seamed edge 34 of direction upper forepart with at the sections seamed edge 36 at rear portion on direction.Here, the description at " anterior " and " rear portion " does not refer in the meaning of motion, but they describe two the opposed sides pivoting sections 24.Typical drive mechanism can drive in the two directions, thus is in operation, and anterior sections seamed edge also is able to be rear portion in the movement direction in cincture, and the sections seamed edge corresponding to this rear portion also is able to be anterior.

From rolling bearing face 30 to anterior sections seamed edge 34 and the transition position of the sections seamed edge 36 to rear portion, be provided with retraction or the hypotenuse 38 of respective rounded.These retractions or hypotenuse facilitate coming across of rolling element 23, it is possible to thus improve the corresponding quiet operation pivoting sections 24.

In other embodiments, in the region of sections seamed edge, between the side of rolling bearing face and sections seamed edge, it is provided with the transition of rounding.These transition also are able to be described as the retraction of sphering.Typically, the retraction of hypotenuse or sphering at least or is provided only in described prominent region.

In typical embodiment, pivot sections and be configured to without axial guiding.Because edge undertakes the guiding of needle roller, then the axial guiding at pivot sections is not absolutely required.In typical embodiment, point symmetry ground is implemented described prominent.Utilize other embodiment of the outstanding enforcement arranged axisymmetrically.

The pivot sections 24 of Fig. 2 has Intermediate Gray 40, and this Intermediate Gray is between two dotted lines in fig. 2.This Intermediate Gray 40 is positioned under tooth bearing-surface 28.In the front and back of Intermediate Gray 40, on direction, respectively exist some prominent, this prominent with step abreast or with sawtooth patterns trend and allow by this way rolling bearing face to effect one another.

Figure 3 illustrates the embodiment driving element 50, this embodiment includes the cam disc 20 of Fig. 1.In the following explanation of Fig. 3 to 6, identical reference and the most all of reference or feature is used again to be explained in detail identical element.Partly, identical reference is also used for same or similar parts in various embodiments, thus such as Fig. 6 shows another embodiment (Fig. 6: drive element 150) driving element, but this driving element partly has the feature identical with the driving element 50 of Fig. 3.Additionally, whole features is provided with reference, part is to improve clearness.

The element that drives of Figure 50 includes the cam disc 20 with profile 22.Profile 22 includes the work surface (see figure 1) of the cincture for rolling element and has two projections about whole perimembranous, wherein, shows two projections in the section of Fig. 3.

It is noted that Fig. 6 shows the embodiment with three projections, wherein, in the cross section of fig. 6, in side cutting one projection, and in opposite side cutting with the position of profile of minimum radius.

The cam disc 20 of the embodiment of Fig. 3 includes edge 40, and this edge provides the axial guiding for rolling element.Edge 40 can simultaneously use as the installed surface for edge regions or marginal support areas, thus avoids pivoting tumbling of sections.Pivot sections to be maintained in the axial position of this pivot sections by thrust button (this thrust button such as can be fastened at tooth carrier).But, the feasible program that there is also is, is fastened on by thrust button (Anlaufscheibe) at driving element 50, or is higher implemented at edge 40, thus described edge surrounds pivot sections.

The side of cam disc 20 axially connects and has centre portion 42, furthermore step 44 is connected at this centre portion, furthermore support section 46 is connected at this step.Support section 46 is column casing shape and has the interior diameter identical with centre portion 42, cam disc 20 and shaft part 48.Shaft part 48 is axially opposite to support section 46 ground relative to cam disc 20 and arranges and be a part for driving element 50.This shaft part is used as other supporting portion and sealed working face.

Element 50 is driven to be hardened.Additionally, drive element 50 to harden and/or with big accurate manufacturing technique in the region with profile of support section 46.Diameter and the surface standard-required to reply supporting portion, such as this standard-required is recommended by bearing manufacturer.In the region of profile, it is achieved that to special precision that is that jump characteristic for circle and that transmit for the power in drive mechanism.

In the region of support section 46, driving element 50 to include hole circle 52, this Kong Yuan includes screwed eyelet.Here, eyelet stretch into until in centre portion 42 and cam disc 20 in.Although cam disc 20 is only encountered by the eyelet of hole circle 52 in the region towards the edge 40 of support section 46, but this point role thus is, i.e. thus achieving support section 46, the centre portion 44 and interior diameter of cam disc 20, this interior diameter is the most continuous about these three region.This point facilitates other axle or connecting of cable.

In fig. 4 it is shown that the embodiment of the assembly in confined state, wherein, with the driving element 50 driving element 50 corresponding diagram 3 of cam disc 20 and explain the most in detail.Furthermore, it is noted that eliminate remaining element of drive mechanism in the diagram for the sake of more clear, to this, as about Fig. 5 and 6, also referring to Fig. 1 and 2.

The assembly of Fig. 4 also includes installed part 60, and this installed part is planetary gear carrier in the case of Fig. 4.The planetary gear carrier of Fig. 4 has the interior diameter less than driving element 50.But, the most also remain connecting of the hollow through planetary gear carrier.

Installed part 60 includes installing support section 62, and this installation support section has the overall diameter identical with the support section 46 driving element 50.Support section 62 is installed and limits by installing step 63.Providing fixed part by the step 44 of described installation step 63 and driving element 50, bearing 64 is contained in this fixed part.For clarity sake Fig. 4 profile side only dotted line show bearing 64, but this bearing circumferentially exists.Here, the bearing inner ring of bearing 64 is positioned on the periphery with the support section 46 of driving element 50 installing support section 62.

In the embodiment illustrated in fig. 4, the installation support section 62 of installed part 60 is by cooperation position (Pass-Lage) definition of the support section 46 slightly less than driving element 50.Thus, support section 62 is installed and is especially used as centralized positioning portion, and the task of support section 46 especially adapter bearing block.By this way, additionally, achieve installed part 60 relative to the centralized positioning driving element 50.Typical assembly includes the diaphragm 69 for improving coefficient of friction, and this diaphragm arrangement is used for or is applicable to loading installed part and driving between element.The typical coefficient of friction of described diaphragm is between 0.3 and 0.7, typically between 0.4 and 0.6.Can be improved at installed part 60 by described diaphragm and drive the frictional fit between element 50.

Typical embodiment is included in the basic deviation of the cooperation installed in support section, this basic deviation at least one hierarchically less than the basic deviation of the support section driving element.Described basic deviation is typically relevant with that install support section and support section diameter.Other typical embodiment has at installed part and is driving the identical basic deviation at element.Typically, identical with the level of tolerance in support section install in support section.In other embodiments, level of tolerance is different.

Additionally, the embodiment of the installed part 60 of Fig. 4 includes the installing hole circle 66 for accommodating helical spring 68.Installing hole circle 66 has a less hole than the hole circle 52 driving element 50, but the diameter correspondence of installing hole circle 66 drives the diameter of hole circle 52 of element.Additionally, the hole of two hole circles 52 and 66 is the most coordinated with each other, i.e. in the screw thread by hole bolt 68 being contained in hole circle 52 and 66 and bolt 68 is torqued into hole circle 52, it is possible to installed part 60 is fastened or is fixed at driving element 50.

Figure 5 illustrates other the embodiment with the assembly driving element 50 and installed part 70 driving element corresponding to Fig. 3, wherein, installed part 70 is the planetary gear carrier for the pre-rank of quill shaft, wherein, drives the interior diameter of element 50 can continue to guide.The interior diameter correspondence of installed part 70 drives the interior diameter of element, thus provides identical interior diameter continuously.

In driving the region at the handing-over position between element 50 and installed part 70, the embodiment of the embodiment of the assembly of Fig. 5 assembly of corresponding diagram 4 to a great extent, thus, concrete condition and feature and reference are the most in depth explained herein, but only it is noted that corresponding reference describes same or similar feature.

Figure 6 illustrates the other embodiment with the assembly driving element 150 and installed part 80.The installed part 80 of Fig. 6 is configured to motor drive shaft, and this motor drive shaft at least substantially has the interior diameter identical with driving element 150.

Typically, the installed part of typical embodiment at least substantially has the interior diameter identical with driving element.This point achieves the purposes that cross section is used for connect.Here, " substantially " is typically represented as, interior diameter with maximum 10% typically with maximum 5% or maximum 3% deviation each other.

Drive element 150 different from the driving element 50 of aforesaid accompanying drawing the most in the following manner, i.e. profile 22 is more than having two projections but has three projections.Thus, in the cross section of fig. 6, the side at the position with maximum radius is cut (in Fig. 6 bottom) and is cut (on Fig. 6 top) at the position of the profile 22 at the position of the profile 22 with least radius.

At the position with least radius, the edge 40 of installed part side is not transitioned in centre portion 42 with having step at periphery.The most again followed by the step 44 for clamping bearing 64.

Partly, in figure 6, especially eliminating reference in the region of bearing 64 at installed part, similarly, hole fenestra is not provided with reference, and this is to improve clearness.In this connection, with reference to the explanation of Figure 4 and 5, these figures with this about show similar embodiment.The particularity of the installed part 80 of Fig. 6 also resides in, and this installed part has interior diameter, and this interior diameter is less than the interior diameter driving element 150.Thus achieving extra centralized positioning step 82, this centralized positioning step is located at the inner circumferential of the installed part 80 in the region at handing-over position and in internal action to the interior diameter driving element 150.

Embodiment described before the invention is not restricted to, but determine the scope of the present invention by appended claim.

Claims

1. the driving element (50,150) for drive mechanism (1) especially coaxial gear set, this drive mechanism is with some teeth (7) that are that radially guide in tooth carrier (11) and that can support movably, described tooth utilizes the tooth root of this tooth be bearing on some pivot sections (23) and utilize the tooth top of this tooth to be applied in teeth portion (5), wherein, described driving element (50,150) including:

-with being used for supporting the cam disc (20) of the profile (22) of some rolling elements (23), some pivot sections (24) can be bearing on this cam disc on direction movably,

-support section (46), this support section axially arranges side by side with cam disc (20),

-Kong Yuan (52), this Kong Yuan are arranged in support section (46).

2. according to the driving element (50,150) described in claim 1, wherein, middle vacant lot design cam disc (20), wherein, the interior diameter of cam disc (20) diameter less than Kong Yuan (52).

3. according to the driving element (50,150) described in claim 1 or 2, wherein, cam disc (20) includes the edge (40) for axially roller body (23).

4. by driving element in any one of the preceding claims wherein (50,150), wherein, drive element (50,150) to construct with monomeric fashion.

5. by driving element in any one of the preceding claims wherein (50,150), wherein, drive element (50,150) to be hardened.

6. between support section (46) and cam disc (20), at the periphery driving element (50,150), by driving element in any one of the preceding claims wherein (50,150), wherein, it is provided for the step (44) of fixing bearing.

7. one kind with according to the driving element (50,150) described in claim 6 and with the drive mechanism of some teeth (7) that are that radially guide in the tooth carrier (11) and that can support movably, described tooth utilizes the tooth root of this tooth be bearing on some pivot sections (24) and utilize the tooth top of this tooth to be applied in teeth portion (5), wherein, pivoting member (24) utilizes some rolling elements (23) to be bearing on the cam disc driving element (50,150).

8., with according to the driving element (50,150) according to any one of claim 1 to 6 and an assembly for installed part (60,70,80), this installed part includes the installation support section (62) of the overall diameter with the overall diameter corresponding to the support section (46) driving element (50,150) and/or includes that the installing hole of the diameter with the diameter corresponding to the Kong Yuan (52) driving element (50,150) justifies (66).

9. according to the assembly described in aforementioned claim, wherein, installed part includes the installation step (63) for fixing bearing (64) at periphery, and this installation step is connected to install support section (62).

10. according to the assembly according to any one of claim 8 to 9, wherein, described installed part (60,70,80) is hollow.

11. according to the assembly according to any one of claim 8 to 10, it is with driving means, the drive element (50,150) of this driving means is connected with installed part (60,70,80) or implements with monomeric fashion with installed part (60,70,80).

12. according to the assembly according to any one of claim 8 to 11, and it is with the diaphragm (69) for improving coefficient of friction, and this diaphragm arrangement is used for loading installed part (60,70,80) and driving between element (50,150).

13. 1 kinds with according to the drive mechanism (1) described in claim 7 and the power train of driving means, the drive element (50,150) of this driving means utilizes installed part to be connected with the driving element of drive mechanism (1), wherein, between the step installing step and driving element of installed part, it is fixed with the bearing inner ring of bearing.

14. 1 kinds of purposes according to the driving element (50,150) according to any one of claim 1 to 6, this purposes will be for including that the drive mechanism (1) driving element (50,150) is connected with installed part.