CN101617133A - Linear bearing - Google Patents
Linear bearing Download PDFInfo
- Publication number
- CN101617133A CN101617133A CN 200880005481 CN200880005481A CN101617133A CN 101617133 A CN101617133 A CN 101617133A CN 200880005481 CN200880005481 CN 200880005481 CN 200880005481 A CN200880005481 A CN 200880005481A CN 101617133 A CN101617133 A CN 101617133A
- Authority
- CN
- China
- Prior art keywords
- ring
- inner ring
- linear bearing
- exterior face
- outer ring
- 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
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 31
- 230000004323 axial length Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C31/00—Bearings for parts which both rotate and move linearly
- F16C31/04—Ball or roller bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/084—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface sliding on a complementary spherical surface
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Linear bearing, especially the linear bearing used of the gearshift of gear change-speed gearing, described linear bearing is used for can vertically passing ground and pivotly shifting element being supported, described linear bearing comprises a plurality of rolling elements that are clamped in the guard ring, on rigging position, shifting element guides on this rolling element vertically, wherein, guard ring (2) is received in the inner ring (7) in mode rotatable and that can vertically pass by these rolling elements (4), and described inner ring (7) is received in the outer ring (11) in tiltable mode.
Description
Technical field
The present invention relates to a kind of linear bearing, especially the linear bearing used of the gearshift of gear change-speed gearing, described linear bearing is used for vertically passing ground and pivotly shifting element being supported, and described linear bearing comprises a plurality of rolling elements that are clamped in the guard ring.
Background technique
What generally need is that axle or connecting rod can not only support vertically with passing and want and can support rotationally.The example of the member that will support so for example is gearshift axle or gearshift connecting rod, for example is the gearshift axle or the gearshift connecting rod of gear change-speed gearing.The known a kind of linear bearing of DE 31 05632 A1 for example, this linear bearing not only has axially mounting portion, also has radial support portion, in order to can vertically pass ground and rotatably support.There for form axially mounting use be there voller pin formality, be clamped in a plurality of rolling elements in the guard ring.Another outer needle roller ring (Nadelkranz) of needle roller by having axial orientation is realized rotating support.Described needle roller not only slides on the exterior face of the relative configurations of the axle that slides on the guard ring of bearing needle but also will support in clamp axis.This needle roller ring is had spherical, and just another race ring of the exterior face of protruding sphere surrounds, and this exterior face is received within again in the inside face that complementally is shaped of another outer ring.Thus, guaranteed certain tiltable, this tiltable makes it possible to the less angular error that may occur in assembling is compensated, thereby cod and radial bearing can bear load substantially equably.
Yet, disadvantageously by the too complicated structure of the known bearing unit of DE 31 05 632 A1.Need a plurality of different bearing pack in order to construct cod and radial bearing, that is, need needle roller sequences in two or more that distribute vertically and that constitute cod on the one hand, equally also need externally rotating radial needle bearing ring.Need various different components in addition, be used to constitute the outer guide portion of guard ring and outer needle roller ring and also be used to constitute outer pivot bearings, this outer pivot bearings is configured to realize angle compensation).
Summary of the invention
Thus, the present invention is based on the problems referred to above, that is, provide a kind of linear bearing, this linear bearing is structurally simplified with respect to known systems when angular error possible, that caused by structure is compensated significantly.
For addressing this problem, in the linear bearing of the described type of beginning, be defined as according to the present invention, guard ring is received in the inner ring in the mode of can rotate and can vertically pass by rolling element, and described inner ring is received in the outer ring in tiltable mode.
In linear bearing according to the present invention, adopted rolling element to be held on wherein guard ring, this guard ring itself is not only by can vertically pass but also being received in the inner ring of hollow cylinder shape of cross section around the mode that longitudinal axis rotates.Under the situation in conjunction with the axial motion of guard ring in inner ring, realized axially mounting by rolling element, the shifting element (for example gearshift axle) that runs through guard ring rolls on described rolling element and guiding vertically.Also realized radial support by rolling element, just around the rotating support of longitudinal axis, this is because rolling element rolls on the inside face of inner ring with rotary way.Rolling element is preferably a plurality of balls, and these balls equidistantly are received on the guard ring with the parallel sequence of axially aligning, thereby same rounded gearshift axle also is received within the inside of guard ring in rotating mode on cross section.Like this, the arrangement according to the present invention by the bearing inner member being configured to built-up shaft to-radial bearing, makes that in the simple structure mode shifting element can be by supporting of straight line motion ground and rotatably support.
At this moment realize as follows according to the present invention that for the angular error possible, that cause by structure or the compensation possibility of inclination promptly, inner ring is received in the outer ring in tiltable mode heavily again.Here, inner ring reaches dual functions to a certain extent, that is, on the one hand be at the rolling element of inside guiding and then also have the function of guard ring at the outer rolling face that axially makes progress with the footpath, be the function of the built-in member of being positioned at of pivot bearings on the other hand, described pivot bearings is made into cover by the outer ring.Thereby, in the linear bearing of being introduced, use significantly less member according to the present invention, that is, in the simplest structural scheme, only use the guard ring of inner ring and outer ring and band rolling element.There is following possibility by the outer ring, that is, linear bearing for example is assemblied on the third party as gear mechanism housing wall etc.
In first structural scheme of the present invention, inner ring can have protruding spherical exterior face, and inner ring is bearing in the outer ring in tiltable mode by this exterior face.Here, inner ring is a single piece component, described member correspondingly is hollow cylinder ground in its side to be implemented, so that be formed for the cylindrical rolling surface of empty shape of axial-radial bearing rolling element, and the outside of described member is protruding sphere, just be spherical and outwards implement with arching upward, realize supporting thus.
For the embodiment of single-piece inner ring alternatively, be contemplated that also promptly, inner ring has the race ring with protruding spherical exterior face, this inner ring supports in tiltable mode by this protruding spherical exterior face.Here, inner ring is two-piece type, and inner ring comprises the inner sleeve that preferred deep-draw forms, be the spherical race ring that outwards arches upward in the outside and be pushed on the described sleeve, and this race ring if possible equally also can form in deep-draw.
Similarly, can consider different structural schemes about the structure of outer ring.According to first alternative arrangement of the present invention, the outer ring can be sleeve shape ground and implement, wherein, at least one preferred two support ring is arranged in the outer ring, inner ring with its protruding spherical exterior face (though its at this moment be constitute by the single-piece inner ring or realize by race ring) on these one or more support rings, move.One or more support ring preferably has a kind of shape of protruding spherical exterior face,, has the rolling surface corresponding to the radian of protruding spherical exterior face that is, and described rolling surface slightly arches upward too.
With respect to the application scheme of one or more support ring alternatively, the outer ring also can have be spherical inwardly arch upward and aspect curvature with the corresponding inside face of convexity of the exterior face of inner ring.In structural scheme of the present invention, here preferably also be to realize that the complementary spherical face that arches upward that is is arranged on the outer ring of single-piece, the face that the sphere of inner ring outwards arches upward moves on this face.There are different structural schemes equally, realize the pendulum type bearing.
Inner ring for example opens wide in both sides, that is to say, shifting element to be supported can run through inner ring fully, therefore can pass completely through this linear bearing.What it is also conceivable that is that in jar shape structure, inner ring is implemented unlimitedly and implemented on opposite side sealing ground in a side.Obtain a kind of canned piece in this structural scheme, guard ring guides in this canned piece together with rolling element, and the free end of shifting element to be supported sinks in this canned piece with certain axial stroke.This structural scheme realized at least a side to axially-the described zone of radial bearing encapsulates, and prevents contaminatedly.
To this alternatively, also have such possibility, that is, the outer ring that can open wide in both sides is jar shape ground is equally constructing one side closedly, and this has also realized the zone of rotary bearing or pendulum type bearing is encapsulated.
Description of drawings
Embodiment below in conjunction with the reference accompanying drawing illustrates other advantage of the present invention, feature and details.Accompanying drawing is explanatory view, and wherein:
Fig. 1 illustrates the sectional view according to linear bearing of the present invention of first mode of execution;
Fig. 2 illustrates linear bearing shown in Figure 1 with perspective cut-away schematic view; And
Fig. 3 illustrates the partial view according to linear bearing of the present invention of second mode of execution with sectional view.
Embodiment
Fig. 1 illustrates according to linear bearing 1 of the present invention, and described linear bearing 1 comprises the guard ring 2 with a plurality of independently ball cages (Tasche) 3, is respectively equipped with a plurality of rolling bearings 4 in these ball cages 3, and rolling bearing 4 is the form of a plurality of independently balls 5 at this.So just formed a large amount of single ball sequences 6, ball sequence 6 equidistantly is arranged on the guard ring 2 and extends vertically.
Guard ring is received within the inner ring 7, and inner ring 7 has the inside face 8 of hollow cylinder, and inside face 8 is as the rolling surface of ball 5.The axial length of guard ring 2 is obviously short than the axial length of inside face 8, thereby guard ring 2 can be together with ball 5 axially guiding in inner ring 7 movingly on this inside face 8.On rigging position, for example the gearshift axle of gear change-speed gearing runs through this guard ring 2, and the unshowned here axle of ball 5 is gone up and rolled.Gearshift axle can be guided by linear type by this way, wherein, when gearshift axle straight line motion, guard ring 2 also the guiding by ball vertically at the internal motion of inner ring 7.By two stop collars 9 that on interior guard ring, constitute, in fixed (wegbegrenzen) this axial motion of the stroke upper limit.
Clearly, the rotating support of the gearshift axle that is not shown specifically here by these balls 5.When longitudinal axis rotated, guard ring moved with respect to inner ring 7 by ball 5 at the axle collar, thereby rotational motion is feasible in the mode of Ball support.This means that guard ring 2 has formed the radial alignment guiding mechanism together with ball 5 and inner ring 7.
The outside 10 of inner ring 7 obviously is protruding implements spherically, and the described outside 10 is spherically outwards arches upward.At this moment, the outer ring 11 that is implemented as sleeve 12 in described example acts on inner ring 7 up, and described sleeve 12 for example is that deep-draw forms.In the example shown, 11 inside in the outer ring, two support rings 13 are arranged in the zone of flanging 14.Support ring 13 has rolling surface 15, and the shape of the face of rolling surface 15 is corresponding to the spherical exterior face that arches upward 10 of being of inner ring 7.Inner ring 7 promptly tiltably supports by its exterior face 10 and rolling surface 15, that is, and and with respect to the supporting of outer ring 11 tiltable campaigns ground.By outer ring 11 linear bearing is fixed on the third party of gear mechanism housing wall for example.Do not have complete axle to be provided with abreast but with the situation of slight angle error assembling for the gearshift axle that is not shown specifically, slight inclination by inner ring 7 and the guard ring 2 that utilizes guiding gearshift axle compensate this angular error with respect to the angular error of fixing outer ring 11.This means that although the slight angle error occurs, the straight line radial bearing that is used for leading axle still bears load equably.
Fig. 1 and Fig. 2 illustrate the inner ring 7 that is implemented as single-piece, and this inner ring 7 is implemented as the member that is the heavy wall formula relatively, and inner ring 7 directly is provided with the exterior face 10 that protruding sphere outwards arches upward, and Fig. 3 shows an alternative configuration scheme.The inner ring 7 shown in the there is made up of inner bearing ring 7a, and inner bearing ring 7a is sleeve shape ground and implements and be provided with two flangings 9 thereon.The interior raceway components 7a that deep-draw forms is installed in the race ring 7b with protruding spherical exterior face 10.The race ring 7b that outwards arches upward by this protruding sphere carries out supporting with respect to the pendulum type of outer ring 11.With illustrated in figures 1 and 2 different, race ring 7b is implemented as single piece component, and its inside face 16 is spherical corresponding to the curvature of exterior face 10 ground and inwardly arches upward, thereby realizes corresponding pendulum type supporting.
It is to be noted at last, also have such possibility in principle, that is, replace comprising the ball sequence ground of three balls, also can construct and only have two balls or more than the ball sequence of three balls.Cause corresponding axially shortening of this linear bearing or axial lengthening thus.What need thus is, should make applied member as far as possible simply, and the member that the advantageous applications deep-draw forms is as long as this is feasible in corresponding member.
Reference numerals list
1 linear bearing
2 guard rings
3 ball cages
4 rolling bearings
5 balls
6 ball sequences
7 inner rings
The 7a raceway components
The 7b race ring
8 inside face
9 flangings
10 exterior faces
11 outer rings
12 sleeves
13 support rings
14 flangings
15 rolling surfaces
16 inside face
Claims (7)
1. linear bearing, especially the linear bearing used of the gearshift of gear change-speed gearing, described linear bearing is used for can vertically pass and pivotable mode supports shifting element, described linear bearing comprises a plurality of rolling elements that are clamped in the guard ring, on rigging position, described shifting element guides vertically on described rolling element, it is characterized in that, described guard ring (2) is received in the inner ring (7) in mode rotatable and that can vertically pass by described rolling element (4), and described inner ring (7) is received in the outer ring (11) in tiltable mode.
2. linear bearing according to claim 1 is characterized in that, described inner ring (7) has protruding spherical exterior face (10), and described inner ring (7) is bearing in the described outer ring (11) in tiltable mode by described exterior face (10).
3. linear bearing according to claim 1 is characterized in that, described inner ring (7) has the race ring (7b) with protruding spherical exterior face (10), and described inner ring (7) supports in tiltable mode by described protruding spherical exterior face (10).
4. according to claim 2 or 3 described linear bearings, it is characterized in that, described outer ring (11) is sleeve shape, and be provided with at least one and be preferably two support rings (13) in described outer ring (11), described inner ring (7) is gone up motion with its described protruding spherical exterior face (10) at described support ring (13).
5. according to claim 2 or 3 described linear bearings, it is characterized in that, described outer ring (11) have spherical inwardly arch upward and aspect curvature with the corresponding inside face of convexity (16) of the described exterior face (10) of described inner ring (7).
6. according to the described linear bearing of one of aforementioned claim, it is characterized in that described inner ring (7) opens wide in both sides, perhaps in jar shape structure a side be open wide and seal at opposite side.
7. according to the described linear bearing of one of claim 1 to 5, it is characterized in that described outer ring (11) are opened wide in both sides, perhaps in jar shape structure a side be open wide and seal at opposite side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200710008579 DE102007008579A1 (en) | 2007-02-20 | 2007-02-20 | linear bearings |
| DE102007008579.8 | 2007-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101617133A true CN101617133A (en) | 2009-12-30 |
Family
ID=39262676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200880005481 Pending CN101617133A (en) | 2007-02-20 | 2008-02-15 | Linear bearing |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101617133A (en) |
| DE (1) | DE102007008579A1 (en) |
| WO (1) | WO2008101872A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242767A (en) * | 2011-06-24 | 2011-11-16 | 嘉善星宇高仕轴承有限公司 | Guide bearing |
| CN106042913A (en) * | 2015-04-14 | 2016-10-26 | 现代自动车株式会社 | Center supporting device for propeller shaft of vehicle |
| CN106151269A (en) * | 2015-04-21 | 2016-11-23 | 王治清 | A kind of kneading type plane bearing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2045030A (en) * | 1934-12-18 | 1936-06-23 | Victor W Peterson | Bearing |
| GB554981A (en) * | 1942-01-20 | 1943-07-28 | Owen David Lucas | Improvements in bearings |
| AT337227B (en) * | 1974-04-05 | 1977-06-27 | Voest Ag | FLOATING BEARING CONSTRUCTION FOR THE PIVOT OF A CONVERTER |
| FR2476251A1 (en) | 1980-02-15 | 1981-08-21 | Glaenzer Spicer Sa | JOINING DEVICE WITH ROTATION AND SLIDING OF A PART ON A TREE |
| JP2565587B2 (en) * | 1990-08-06 | 1996-12-18 | 竹内精工 株式会社 | Linear motion ball bearing and manufacturing method thereof |
| US6168530B1 (en) * | 1995-12-22 | 2001-01-02 | Eurocopter | Device for coaxially coupling two shafts, especially for a helicopter |
| US5993065A (en) * | 1998-07-13 | 1999-11-30 | Chrysler Corporation | Universal slider bushing |
| DE102005003753A1 (en) * | 2005-01-27 | 2006-08-10 | Schaeffler Kg | Roller bearing for guiding shaft, especially for gearbox shifting shaft, has insertion funnel for shaft held by end-mounted inner facing board |
-
2007
- 2007-02-20 DE DE200710008579 patent/DE102007008579A1/en not_active Withdrawn
-
2008
- 2008-02-15 WO PCT/EP2008/051853 patent/WO2008101872A1/en active Application Filing
- 2008-02-15 CN CN 200880005481 patent/CN101617133A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242767A (en) * | 2011-06-24 | 2011-11-16 | 嘉善星宇高仕轴承有限公司 | Guide bearing |
| CN106042913A (en) * | 2015-04-14 | 2016-10-26 | 现代自动车株式会社 | Center supporting device for propeller shaft of vehicle |
| CN106042913B (en) * | 2015-04-14 | 2020-10-02 | 现代自动车株式会社 | Intermediate support device for vehicle transmission shaft |
| CN106151269A (en) * | 2015-04-21 | 2016-11-23 | 王治清 | A kind of kneading type plane bearing |
| CN106151269B (en) * | 2015-04-21 | 2019-02-15 | 王治清 | A kind of kneading type plane bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007008579A1 (en) | 2008-08-21 |
| WO2008101872A1 (en) | 2008-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SCHAEFFLER TECHNOLOGY GMBH + CO KG Free format text: FORMER OWNER: FAG KUGELFISCHER AG + CO. OHG Effective date: 20100916 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20100916 Address after: German Herzogenaurach Applicant after: Schaeffler Technologies GmbH & Co. KG Address before: German Herzogenaurach Applicant before: Fag Kugelfischer AG & Co. OHG |
|
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: German Herzogenaurach Applicant after: Schaeffler Technologies AG Address before: German Herzogenaurach Applicant before: Schaeffler Technologies GmbH & Co. KG |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20091230 |