CN103256359A - Axial adjuster - Google Patents
Axial adjuster Download PDFInfo
- Publication number
- CN103256359A CN103256359A CN 201210299408 CN201210299408A CN103256359A CN 103256359 A CN103256359 A CN 103256359A CN 201210299408 CN201210299408 CN 201210299408 CN 201210299408 A CN201210299408 A CN 201210299408A CN 103256359 A CN103256359 A CN 103256359A
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- CN
- China
- Prior art keywords
- cover
- axial
- spheroid
- clinohedral
- regulation unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/186—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions with reciprocation along the axis of oscillation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to an axial adjuster. The adjuster has ramp bodies arranged along the axis (1). The ramp bodies stay in rolling contact with the adjuster by a roller body that is guided at ramps such that one of the ramp bodies is moved along the axis (1) by rotation of the ramp bodies against one another. The roller body is fed to coaxially arranged wall sections of the ramp bodies in helical paths wound around the axis (1).
Description
Technical field
The present invention relates to a kind of axial regulation unit, it has the clinohedral along axis arranged, described clinohedral keeps the contact of rolling as follows by the rolling element that is directed on the inclined-plane, that is, by being reversed at least one clinohedral that makes in the described clinohedral with respect to another clinohedral, a clinohedral in the described clinohedral can move along described axis.
Background technique
By the known a kind of axial adjustment equipment with spheroid ramp structure of DE 102004017342B4.This axial adjustment equipment has two dishes that can relative to each other reverse and arrange coaxially.Described dish on face each other, constitute the balls tumble groove of variable depth at periphery, wherein, described spheroid is guided between balls tumble groove paired with each other.In this make, shortcoming is that described axial adjustment equipment requires big relatively radial structure space.In addition, maximum adjustment stroke (Verstellhub) is subject to the diameter of employed spheroid.
Summary of the invention
Therefore, the objective of the invention is to, improve its structure in the axial regulation unit of the type of mentioning in front and realize structure at low cost.This purpose is solved by the described feature of claim 1.
Because described rolling element is respectively being guided in the raceway of the described axis of spirality ground coiling on the wall section of arranging coaxially of described clinohedral, so the radial structure space of described axial regulation unit is reduced.In addition, the stroke of described clinohedral especially can depend on the gradient, the stroke height of described raceway
Adjusted changeably with radian.
In simple especially make of the present invention, at least one clinohedral constitutes and can drive in the mode of rotating and control cover that axial restraint ground is arranged, and at least one another clinohedral constitute can the axially movable and anti-adjustment cover of layout with relatively rotating.At this, described control cover range selector is arranged in the described adjustment cover coaxially, for example pegs graft by simple range selector is staggered.Therefore, the described rolling element that preferably is embodied as spheroid can constitute angle contacting spheroid rolling groove on the wall section of diametrically contraposition on the described adjustment cover interior mask surface and on the described control cover outer cover
Raceway in guided.
In this way, adjust cover and control cover and be supported in the described angle contacting spheroid rolling groove by spheroid close to each otherly, similarly for example in being supported on angular contact ball bearing, and adjusting cover and control and be enclosed within and radially obtain guiding in the described angle contacting spheroid rolling groove.In addition, can absorb the radial load that surmounts (hinausgehende) described pure radial directed and occur.Therefore, pressure angle variable during the adjustment process can be compensated, and wearing and tearing that increase and disturb and can be avoided reliably.This is specially adapted to transmit very big adjustment power for example in the actuating friction clutch in clinohedral.
On the described adjustment cover interior mask surface and on the described control cover outer cover, a plurality of angle contacting spheroid rolling grooves arrange before and after can be on circumferentially with being arranged in order, and the ground in couples complimentary to one another layout opposed to each other that tilts.
Axial deep groove ball bearing is particularly produced advantageous effects bearing under the situation that load deforms as the spring bearing of clinohedral, and especially, the danger that rolling element is run into the raceway seamed edge is able to remarkable reduction.
Adjusting cover and control overlaps and can be supported by axial deep groove ball bearing respectively on its side away from each other or away from described angle contacting spheroid rolling groove.At this, what can realize is, described axial deep groove ball bearing is arranged in identical with described angle contacting spheroid rolling groove or near on the identical reference radius.In this way, realized the layout in special saving radial structure space.In addition, can avoid under the situation of axial load, occurring moment or make described moment minimize at least.
Preferably, described control is enclosed within on its end section away from described adjustment cover and is supported on the support ring that is arranged in coaxially on the axle by the first axial deep groove ball bearing, and described adjustment cover is supported on the pressure ring that is arranged in coaxially on the described axle by the second axial deep groove ball bearing.Be supported on the described axle, and described pressure ring is arranged on the described axle in order to transmit adjustment power and to adjust the mode of moving with the energy axial motion described support ring axial restraint.
In addition, what have advantage is, described adjustment is enclosed within on its end section away from described control cover has the ring edge that protrudes towards inner radial, and described ring edge is at its rolling surface towards the distolateral formation described second axial deep groove ball bearing of described pressure ring.
Put in described control, can the annular flange flange of protruding towards radially outer be set in its end section away from described adjustment cover, described annular flange flange has engaging piece at the edge of its radially outer, can drive described control cover in the mode of rotating on described engaging piece.According to the destination, described annular flange flange is simultaneously also at its rolling surface towards the distolateral formation described first axial deep groove ball bearing of described support ring.
In order to operate the clutch of arranging coaxially with respect to described axle, described pressure ring is connected away from remaining valid with the described clutch of arranging coaxially with respect to described axle on described adjustment cover distolateral at it, wherein, adjust cover and the control cover is arranged coaxially with respect to described axle.
Adjusting cover and control overlaps and can implement with sheet material.Thus, can in the lightweight construction mode, especially simply and at low cost make described adjustment cover and described control cover by deep-draw by non-smear metal ground distortion.
Description of drawings
Other features of the present invention are learnt by following description and accompanying drawing, simplify showing embodiments of the invention in described accompanying drawing.
Fig. 1 illustrates the sectional drawing according to axial regulation unit of the present invention;
Fig. 2 illustrates another sectional drawing of described axial regulation unit;
Fig. 3 illustrates the perspective view of described axial regulation unit;
Fig. 4 illustrates the single perspective view of the clinohedral of described axial regulation unit;
Fig. 5 illustrates the single perspective view of another clinohedral of described axial regulation unit.
Embodiment
Shown in Fig. 1 is representative configuration mode according to axial regulation unit of the present invention.Described axial regulation unit has two clinohedrals, and described clinohedral is along axis 1 and along arranging with the axle 2 of described axis 1 coaxial distribution.Clinohedral can be driven in the modes of rotating as control cover 3, and by the first axial deep groove ball bearing 4 and coaxially layout support ring 5 axial restraints be supported on described 2.Another clinohedral is embodied as adjusts cover 6, and axially can be movably remains on unshowned adjacent members for example on the housing by unshowned retaining mechanism is anti-with relatively rotating.Adjust cover 6 and be supported on the pressure ring 8 of arranging coaxially by the second axial deep groove ball bearing 7, described pressure ring 8 is remained valid with the clutch pack 9 that illustrates and is connected.
Adjust cover 6 and control cover 3 and have the annular flange flange of stretching out towards radially outer in end section respectively.Adjust cover 6 and on its annular flange flange, maintain by unshowned retaining mechanism is anti-with relatively rotating, and control cover 3 can be driven in the mode of rotation on radially outer ground is looped around engaging piece 10 on its annular flange flange.Control cover 3 inserts coaxially and is surrounded at radially outer by the flange side of described adjustment cover 6 on it is adjusting the flange side of cover 6 on away from the end section of annular flange flange.In this case, the annular flange flange of control cover 3 is outstanding from adjustment cover 6, and wherein, control cover 3 is arranged towards radially outer towards each other and parallel to each other with the annular flange surfaces of adjusting cover 6 with stretching out.
At it coaxially in the zone of the wall section of the hollow cylinder of staggered interlocking, adjust cover 6 within it on the cover and control cover 3 radially opposed on its outer cover.On the interior mask surface of adjusting cover 6 and on the outer cover of control cover 3, before and after week is upwards in identical section, be furnished with a plurality of angle contacting spheroid rolling grooves 11,12 respectively with being arranged in order.At this, angle contacting spheroid rolling groove 11,12 is being adjusted on cover 6 and the control cover 3 each other in opposed obliquely over the ground.Accommodate spheroid in every pair inclines towards each other opposed angle contacting spheroid rolling groove 11,12, by described spheroid, adjustment cover 6 is supported in the mode that keeps rolling to contact with control cover 3 with being close to each other, just as in angular contact bearing.Described angle contacting spheroid rolling groove 11,12 distributes at the jacket wall that each peripheral section upper edge hollow cylinder respectively spiral yarn shapedly, and coils in the direction of described axis 1 with identical arc length with identical gradient profile, identical stroke height.Therefore, the layout by control cover 3 and the staggered grafting of adjusting cover 6 can realize the reduction in radial structure space.
Adjust cover 6 and have the edge that protrudes towards inner radial in the end section away from annular flange flange, described edge forms axially open in inner radial, and pressure ring 8 embeds in the described axially open coaxially.On the axial outside away from adjustment cover 6 of control cover 3, support ring 5 embeds coaxially.At this, pressure ring 8 and support ring 5 have the annular flange flange of stretching out towards radially outer at it from adjusting cover 6 or controlling cover 3 outstanding end section respectively.On pressure ring 8, described axially opposed towards the edge that inner radial is protruded on annular flange flange that radially outer stretches out and the end section of adjusting cover 6, and the annular flange flange of protruding towards radially outer of the annular flange flange on the support ring 5 and control cover 3 is axially opposed.At this, the described annular flange flange of adjusting the described edge of cover 6 and pressure ring 8 forms the rolling surface of axial deep groove ball bearing 7 at it towards side each other respectively, and the annular flange flange of control cover 3 and support ring 5 forms the rolling surface of axial deep groove ball bearing 4 respectively.In this way, what can realize is, make axial deep groove ball bearing 4,7 be arranged in identical with the spheroid that in angle contacting spheroid rolling groove 11,12, is directed or near identical reference radius on.
Reverse with respect to adjusting cover 6 by making control cover 3, the latter can the rolling contact on angle contacting spheroid rolling groove 11,12 in along described axis 1(its form simultaneously adjust axis) on the direction of clutch pack 9 just in that to adjust direction mobile.Fig. 1 illustrates the axial regulation unit under the original state, wherein adjusts cover 6 and control cover 3 and is in each other axially immediate as far as possible position in its annular flange flange, that is to say, is in neutral position (Null-Stellung).
In described angle contacting spheroid rolling groove 11,12, described spheroid is guided in the raceway that tilts with respect to described axis 1.In this case, the raceway on control cover 3 and the adjustment cover 6 is located complimentary to one anotherly.On the interior mask surface of adjusting cover 6, described angle contacting spheroid rolling groove 11 is located towards inner radial ground obliquely with its raceway, and on the outer cover of control cover 3, described angle contacting spheroid rolling groove 12 is located towards radially outer ground obliquely with its raceway.Therefore, the raceway on the described angle contacting spheroid rolling groove 11,12 is tiltedly arranged each other in the direction updip of described axis 1 with staggering.The location of the raceway of two opposed angle contacting spheroid rolling grooves 11,12 illustrates by line 13, and described line 13 distributes along the tangent plane normal ground of described spheroid on the contact position on the described raceway.Therefore, adjusting cover 6 is radially guided with controlling on the described spheroid of cover 3 in described angle contacting spheroid rolling groove 11,12.
Be the attitude that described adjustment cover has axial stroke H shown in figure 2.Rotating the control cover at 3 o'clock, be made into right angle contacting spheroid rolling groove 11,12 and relative to each other reverse, thus described spheroid corresponding to the gradient of described angle contacting spheroid rolling groove 11,12 ground along adjust on cover 6 interior mask surface and control cover 3 outer cover on the hollow cylinder jacket wall move in the direction of described axis 1.Thus, adjust stroke height that cover 6 and pressure ring 8 pass by corresponding to described spheroid when carrying out described reversing in described angle contacting spheroid rolling groove 11,12 on the direction of described clutch pack 9, just away from control cover 3 ground, move along described axis 1.At this, the maximum stroke of described axial regulation unit is adjusted with can depending on the gradient of described angle contacting spheroid rolling groove 11,12 and axial stroke alterable height.In this case, described angle contacting spheroid rolling groove 11,12 has the ground enforcement of the constant rolling groove degree of depth.
Described spheroid is arranged in the retainer of ring discoid, and here described retainer for example is implemented as plastics, and in described retainer, described spheroid is relative to each other kept with the position that limits.
Fig. 3 illustrates described axial regulation unit with the perspective view on pressure ring 8 and adjustment cover 6 outsides.Pressure ring 8, adjust cover 6, control cover 3 and here sightless support ring 5 all be arranged on the unshowned described axle 2 and form the assembly of compact structure along described axis 1.Pressure ring 8 is used for the power of will adjusting and adjusts to move to transmit being used for the described clutch pack 9 of operation at its axial distolateral axial surface of contact with annular.In pressure ring 8 and adjust between the cover 6 and be furnished with axial deep groove ball bearing 7, in the described axial deep groove ball bearing only roller holder be visible.Because the described angle contacting spheroid rolling groove of adjusting on cover 6 interior mask surface 11 constitutes by reducing wall thickness, has the smooth exterior surface face so adjust cover 6.Adjusting cover 6 arranges with its annular flange surfaces towards each other and abreast at each interval with control cover 3.Be furnished with retaining mechanism in the annular flange flange of adjusting cover 6, described retaining mechanism is here for example as two radially outer ground opposed radial depressions portion on diametric(al), and complementary guiding mechanism for example guide finge can be distinguished form fit ground and embeds in the described radial depressions portion.By the engaging piece 10 on the annular flange flange of control cover 3, described control cover can be driven in the mode of rotating.
Shown in Fig. 4 and Fig. 5 be to adjust the sectional drawing of cover 6 and the perspective view of control cover 3, they are in it respectively under the assembling condition each other on the section of interlocking.There, exemplarily, respectively bead-like ground (sickenartig) constitute five on periphery evenly distributedly before and after the angle contacting spheroid rolling groove 11,12 of layout with being arranged in order.Described angle contacting spheroid rolling groove 11,12 is distributed in respectively on each peripheral section of adjusting cover 6 interior mask surface and control cover 3 outer cover.Described angle contacting spheroid rolling groove is starting point and be that the linear ground of starting point coiling or spiral yarn shaped ground coil in the direction of described axis 1 with identical stroke height h with identical gradient profile, identical arc length respectively with its end section away from annular flange flange on control cover 3 adjusting on the cover 6 with its flange side, is similar to the high tower outside and goes up or the inner ladder that spirals.The arc length of described angle contacting spheroid rolling groove 11,12 is about 1/5th circles.At this, described stroke height h is corresponding to reverse the maximum axial stroke that the situation of controlling cover 3 is reduced the whole series 6 farthest.Described angle contacting spheroid rolling groove 11,12 adjust on cover 6 and the control cover 3 respectively with opposite coil direction with keep the identical rolling groove degree of depth to implement, and described angle contacting spheroid rolling groove 11,12 forms around the inclined-plane of described axis 1 coiling, and described spheroid is guided on described inclined-plane.
Make progress in week, described angle contacting spheroid rolling groove 11,12 is defined by precipitous section 14,15.Zone with stroke height h maximum between the angle contacting spheroid rolling groove 11,12 that described precipitous section is arranged in order two front and back respectively separates with the neutral position zone.In this case, described precipitous section 14,15 serves as in the described neutral position blocked part at the described spheroid that is directed in the described angle contacting spheroid rolling groove 11,12 respectively.
Adjusting cover 6 and control cover 3 implements with sheet material and makes by deep-draw.Described angle contacting spheroid rolling groove 11,12 by the wall thickness that reduces adjust on cover 6 interior mask surface or control cover 3 outer cover on deep-draw form.At this, described annular flange flange is embodied as simple stretch flange at adjustment cover 6 and control cover 3 respectively.The engaging piece 10 that is looped around on the annular flange flange of controlling cover 3 can be made by rolling radially outer.
Reference numerals list
1 axis
2
3 control covers
4 axial deep groove ball bearings
5 support rings
6 adjust cover
7 axial deep groove ball bearings
8 pressure ring
9 clutch pack
10 engaging pieces
11 angle contacting spheroid rolling grooves
12 angle contacting spheroid rolling grooves
13 lines
14 sections
15 sections
The H stroke
The h stroke height
Claims (10)
1. axial regulation unit, it has the clinohedral of arranging along axis (1), described clinohedral keeps the contact of rolling as follows by the rolling element that is directed on the inclined-plane, namely, can be mobile along described axis (1) by a clinohedral is reversed at least one clinohedral that makes in the described clinohedral with respect to another clinohedral, it is characterized in that described rolling element is guided respectively in the raceway of the scroll ground described axis of coiling (1) on the wall section of arranging coaxially of described clinohedral.
2. axial regulation unit according to claim 1, it is characterized in that, at least one clinohedral constitutes the control cover (3) that can drive in the mode of rotating and axial restraint ground is arranged, and at least one another clinohedral constitutes the axially movable and anti-adjustment cover of arranging (6) of energy with relatively rotating, wherein, described control cover (3) range selector is arranged in the described adjustment cover (6) coaxially, and described rolling element is embodied as spheroid, is constituting angle contacting spheroid rolling groove (11 on the opposed wall section on described adjustment cover (6) interior mask surface and on described control cover (3) outer cover respectively, 12) the described rolling element of guiding in the raceway.
3. axial regulation unit according to claim 1 and 2, it is characterized in that, described angle contacting spheroid rolling groove (11,12) arranging before and after on circumferentially on described adjustment cover (6) interior mask surface and on described control cover (3) outer cover with being arranged in order, and described angle contacting spheroid rolling groove (11, the 12) distribution opposed to each other of tilting in couples complimentary to one anotherly.
4. according to the described axial regulation unit of one of claim 1 to 3, it is characterized in that, be supported on its side away from each other in order to adjust cover (6) and to control cover (3), be provided with axial deep groove ball bearing (4,7), wherein, the described spheroid that in described angle contacting spheroid rolling groove (11,12), is directed be arranged in identical or near identical reference radius on.
5. according to the described axial regulation unit of one of claim 1 to 4, it is characterized in that described control cover (3) is supported on by the first axial deep groove ball bearing (4) on the support ring (5) that is arranged in the axial restraint on the axle (2) coaxially in its end section away from described adjustment cover (6).
6. according to the described axial regulation unit of one of claim 1 to 5, it is characterized in that, described control cover (3) has the annular flange flange of protruding towards radially outer in its end section away from described adjustment cover (6), described annular flange flange has engaging piece (10) at the edge of its radially outer, on described engaging piece, can drive described control cover (3) in the mode of rotating, and described annular flange flange is simultaneously also at its rolling surface towards the distolateral formation described first axial deep groove ball bearing (4) of described support ring (5).
7. according to the described axial regulation unit of one of claim 1 to 6, it is characterized in that described adjustment cover (6) is supported on by the second axial deep groove ball bearing (7) on the pressure ring (8) of the energy axial motion that is arranged in coaxially on the described axle (2) in its end section away from described control cover (3).
8. according to the described axial regulation unit of one of claim 1 to 7, it is characterized in that, described adjustment cover (6) has the ring edge that protrudes towards inner radial in its end section away from described control cover (3), and described ring edge is at its rolling surface towards the distolateral formation described second axial deep groove ball bearing (7) of described pressure ring (8).
9. according to the described axial regulation unit of one of claim 1 to 8, it is characterized in that, adjustment cover (6) and control cover (3) are arranged coaxially with respect to described axle (2), wherein, described pressure ring (8) is connected its distolateral upward remaining valid with the clutch pack (9) of arranging coaxially with respect to described axle (2) away from described adjustment cover (6).
10. according to the described axial regulation unit of one of claim 1 to 9, it is characterized in that adjustment cover (6) and control cover (3) are implemented with sheet material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012202456.5 | 2012-02-17 | ||
| DE102012202456.5A DE102012202456B4 (en) | 2012-02-17 | 2012-02-17 | axial adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103256359A true CN103256359A (en) | 2013-08-21 |
Family
ID=48915179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210299408 Pending CN103256359A (en) | 2012-02-17 | 2012-08-21 | Axial adjuster |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103256359A (en) |
| DE (1) | DE102012202456B4 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014203590A1 (en) | 2014-02-27 | 2015-08-27 | Schaeffler Technologies AG & Co. KG | biasing unit |
| DE102015219052A1 (en) * | 2014-10-08 | 2016-04-14 | Volkswagen Aktiengesellschaft | Linear actuator and motor-generator assembly |
| US10030697B2 (en) | 2015-05-07 | 2018-07-24 | Schaeffler Technologies AG & Co. KG | Axial bearing bridge for ball ramp |
| CN108779821A (en) * | 2016-01-19 | 2018-11-09 | Gkn汽车有限公司 | The method of clutch pack and control clutch pack with clutch ramp unit |
| DE102018131110A1 (en) * | 2018-12-06 | 2020-06-10 | Schaeffler Technologies AG & Co. KG | Axial adjustment unit and use of an axial adjustment unit in a switchable differential of a vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103140A (en) * | 1993-09-13 | 1995-05-31 | 卢克摩擦片和离合器有限公司 | Seperating apparatus |
| GB2338769B (en) * | 1998-04-09 | 2003-01-22 | Luk Lamellen & Kupplungsbau | Operating device for a clutch |
| DE10035516A1 (en) * | 2000-07-21 | 2002-01-31 | Mannesmann Sachs Ag | Ball screw declutching mechanism for friction clutch has pin with groove in peripheral surface and nut surrounding pin has groove in inner surface, balls partly penetrate grooves |
| DE102004017342B4 (en) * | 2003-04-09 | 2006-06-22 | Gkn Driveline International Gmbh | Needle bearing arrangement and Axialverstellvorrichtung with provision for optimized Nadelellagerbeanspuchung |
-
2012
- 2012-02-17 DE DE102012202456.5A patent/DE102012202456B4/en not_active Expired - Fee Related
- 2012-08-21 CN CN 201210299408 patent/CN103256359A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012202456A1 (en) | 2013-08-22 |
| DE102012202456B4 (en) | 2015-07-02 |
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Application publication date: 20130821 |