CN104428546A - Rotary connection - Google Patents
Rotary connection Download PDFInfo
- Publication number
- CN104428546A CN104428546A CN201380036481.5A CN201380036481A CN104428546A CN 104428546 A CN104428546 A CN 104428546A CN 201380036481 A CN201380036481 A CN 201380036481A CN 104428546 A CN104428546 A CN 104428546A
- Authority
- CN
- China
- Prior art keywords
- ring
- inner ring
- bearing
- combining mechanism
- connecting device
- 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
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/10—Force connections, e.g. clamping
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a rotary connection consisting of an inner bearing connection (2) connected to a bearing inner ring (1), an outer bearing connection (4) connected to a bearing outer ring (3), and rolling bodies arranged between the bearing inner ring (1) and the bearing outer ring (3). A collar (6) is formed on both the outer bearing connection (4) and the bearing outer ring (3), these collars being added to each other in pairs to form an outer ring band, and an outer connection ring (8) clamping the outer ring band (7) is provided and/or a collar (6) is formed on both the inner bearing connection (2) and the bearing inner ring (1), these collars being added to each other in pairs to form an inner ring band (9), and an inner connection ring (10) clamping the inner ring band (9) is provided.
Description
Technical field
The present invention relates to a kind of rotary connecting device, its outer bearing coupling be connected with outer race by the inner bearing coupling be connected with bearing inner ring and the rolling element be arranged between bearing inner ring and outer race are formed.
Background technique
Bearing inner ring and outer race also have rolling element in this complementation radially or cod.The common rotary connecting device starting the type proposed stands high heeling moment and radial and axial load.It is such as applied in rotary crane, in excavator, in concrete pump, in wind-force wheel, armored vehicle is medium.At this, their outer bearing coupling and outer race and its inner bearing coupling and bearing inner ring are connected to each other via multiple bolt.
In this extremely time intensive from rotary crane well known in the prior art: use multiple bolt and by nut screwing clamping or locking.In order to tight a bolt, extremely high torque must be applied, in such rotary crane, namely cause the extremely strong face extruding between bolt head and bearing inner ring or between bolt head and outer race.Therefore, it is possible to perform: when tighting a bolt, occur that pretightening force is lost due to infiltration (Setzen).In addition it is possible that the bolt head distortion when tightening, and no longer torque wrench can be put subsequently, so that with the torque clamping bolt again limited.In addition, the surface of rotary connecting device can be damaged at this, makes to change rotary connecting device.
When being arranged on the wind energy facility run in large height, the large quantity of bolt and excessive risk link together because install devoid of risk and not worrying time window is extremely little.Wind-force wheel preferred means in following place, in described place, lasting wind is blown at place, makes rarely to there is calm situation, can be hardly worrying in described calm situation install.But also need being such as used in the rotary connecting device in engineering machinery: tighten multiple screw with very large torque.To install when safeguarding in addition this, to tighten be extremely time intensive and labour-intensive to screw, and---such as just in installation or when safeguarding wind energy facility---bring the accident risk of raising thereupon.
Summary of the invention
Therefore, the object of this invention is to provide a kind of rotary connecting device, wherein install simply and additionally realize weight savings.
This object is realized by following manner in the rotary connecting device starting to propose type: on outer bearing coupling and on outer race, form collar respectively, described collar is complementary one-tenth outer shroud combining mechanism in couples, and the outer connecting ring be provided with for clamping outer shroud combining mechanism and/or form collar respectively on inner bearing coupling and on bearing inner ring, described collar is complementary one-tenth inner ring combining mechanism in couples, and is provided with for clamping connecting ring in inner ring combining mechanism.
Following advantage links together with it: outer connecting ring or interior connecting ring can abut on outer shroud combining mechanism or on inner ring combining mechanism extremely rapidly, and need not settle multiple bolt connecting device between outer bearing coupling and outer race or between inner bearing coupling and bearing inner ring at this.Obtain by the cancellation of bolt and the less cross section that can be realized by inner bearing coupling, outer bearing coupling, bearing inner ring, outer race and connecting ring if desired the advantage that weight greatly saves, make this external to realize saving of fuel in the engineering machinery of the mode movement of motor.
Obviously, in the present invention it is also feasible that: only outer shroud combining mechanism is clamped with outer connecting ring and in a conventional manner, such as by multiple bolt is formed between bearing inner ring and inner bearing coupling and be connected.On the contrary, certainly also can only clamp inner ring combining mechanism by interior connecting ring, the connection wherein between outer race and outer bearing coupling is formed by bolt connecting device in a conventional manner, such as.
In addition advantageously, be provided with outer shroud combining mechanism and also have inner ring combining mechanism, and interior connecting ring has inner ring combining mechanism accommodating part and outer connecting ring has outer shroud combining mechanism accommodating part.Inner ring combining mechanism accommodating part and outer shroud combining mechanism accommodating part are radially being cast on interior connecting ring or outer connecting ring relative to spin axis or relative to longitudinal axis substantially.Guarantee by described accommodation section: outer shroud combining mechanism can extremely firmly around clamping by outer connecting ring, and inner ring combining mechanism can by interior connecting ring extremely firmly around clamping.Outer shroud combining mechanism and inner ring combining mechanism sink in outer shroud combining mechanism accommodating part or in inner ring combining mechanism accommodating part at this, provide additional axially firm thus.
In addition preferably, inner ring combining mechanism and outer shroud combining mechanism are conically shaped.Guarantee thus: outer connecting ring or interior connecting ring are by these two loops locking devices additionally, namely except form fit, be fixed in loops locking device accommodating part by frictional fit.
For this reason, also turn out to be especially desirably: inner ring combining mechanism accommodating part and outer shroud combining mechanism accommodating part are conically shaped.Thus, the convergent of taper especially closing mechanism containment portion when loops seems when comparing stronger than the convergent of the taper of loops locking device, strengthens frictional fit further.
In order to the loops locking device that can in a straightforward manner outer connecting ring or interior connecting ring be reclined, turn out to be especially meaningfully: interior connecting ring and outer connecting ring to be formed in the mode of a side opening, and are respectively equipped with at least one bolt fixture with closing openings by each opening.It is possible that the opening of outer connecting ring is closed by unique fixed mechanism.Interior connecting ring also can by unique bolt, close at surrounding place side as it is such as known from the field of pipe clamp.
Another feature preferred embodiment of rotary connecting device is, interior connecting ring multi-part type ground forms and has at least one internal fixtion mechanism, and outer connecting ring multi-part type ground formation and have at least one extenal fixation mechanism.This simplifies the installation of connecting ring.At this, outer connecting ring and/or interior connecting ring are therefore in close place, namely fix by internal fixtion mechanism or extenal fixation mechanism in the end of all parts of corresponding connecting ring.Internal fixtion mechanism and extenal fixation mechanism are preferably formed to bolt fixture at this, because it can be tightened with the torque preset.
Further preferably, interior connecting ring can be become by half hull shape that bolt fixture is fixing by two with outer connecting ring.In like fashion, the first half shells can be bolted to by means of each one on the second half shells in every side, make therefore only to screw every connecting ring two bolts.Thus, the strong installation simplifying interior connecting ring and outer connecting ring.
Also desirably, inner bearing coupling and bearing inner ring and/or outer bearing coupling and outer race have the joint of form fit, are preferably formed to end face engaging piece.In like fashion, outer bearing coupling can, with its end face engaging piece axial engagement in the corresponding end face engaging piece of outer race, prevent outer bearing coupling from relatively rotating around longitudinal axis or spin axis relative to outer race thus.Corresponding content is applicable to the end face engaging piece of bearing inner ring and inner bearing coupling.At this, also prevent from relatively rotating around spin axis.Replace end face engaging piece also can use connection set, the such as chase mortise connection set of each other form fit arbitrarily or tie connection device.This end face engaging piece also guarantees that inner bearing coupling is about the centering about outer race of the centering of bearing inner ring or outer bearing coupling.
In order to simplify outer race rotating relative to bearing inner ring, meaningfully: on outer race and/or bearing inner ring, form radial engaging piece.Can via the axle of motor by drivable gear engagement in described radial engaging piece.Thus, outer bearing coupling such as can rotate about inner bearing coupling, as this especially applies in rotary crane and other engineering machinery.
To this, also turn out to be preferably: be provided with the driver element run with motor manner, to regulate inner bearing coupling relative to outer bearing coupling.This driver element is guaranteed: outer bearing coupling can rotate about inner bearing coupling with the rotational speed preset.In addition, the predeterminable relative rotation position between inner bearing coupling and outer bearing coupling can be regulated by driver element.
Accompanying drawing explanation
Below, the present invention is elaborated with the embodiment shown in accompanying drawing; It illustrates:
Fig. 1 illustrates the sectional drawing according to rotary connecting device of the present invention,
Fig. 2 illustrates from rotary connecting device well known in the prior art,
Fig. 3 illustrates the section III-III of Fig. 1, and
Fig. 4 illustrates the section IV-IV of Fig. 2.
Embodiment
From rotary connecting device well known in the prior art or ball rotary connecting device or in addition rotary type ring in addition shown in Fig. 2 and Fig. 4, wherein outer bearing coupling 4 is connected with outer race 3 by multiple bolt.Correspondingly, bearing inner ring 1 and inner bearing coupling 2 are coupled via bolt connecting device.Outer bearing coupling 4, outer race 3, inner bearing coupling 2 and bearing inner ring 1 are observed diametrically and are extremely broadly formed, to provide the required stability of rotary connecting device.This width of rotary connecting device is required, can introduce each bolt 15, described bolts and nuts 16 are tightened.This bolt 15 is arranged on two with on the ring of spin axis 18 or axis coaxial orientation, and wherein each bolt 15 must be tightened with high torque.
Extremely slenderly being formed in radial directions on the contrary according to rotary connecting device of the present invention according to Fig. 1 and Fig. 3, makes relative to obtaining significant material economy from rotary connecting device well known in the prior art and then reducing gross weight.The outer bearing coupling 4 that rotary connecting device shown in this is connected with outer race 3 by the inner bearing coupling 2 be connected with bearing inner ring 1 and the rolling element 5 be arranged between bearing inner ring 1 and outer race 3 are formed.Described rolling element 5 is configured to two balls row, wherein obviously also it is possible that be provided with roller or other are from the known rolling element 5 of prior art.
On outer bearing coupling 4 and on outer race 3, form collar 6 respectively, described collar is complementary one-tenth outer shroud combining mechanism 7 in couples.In addition, the outer connecting ring 8 for clamping outer shroud combining mechanism 7 is provided with.On inner bearing coupling 2 and on bearing inner ring 1, form collar 6 respectively, described collar is complementary one-tenth inner ring combining mechanism 9 in couples, is wherein also provided with for clamping connecting ring 10 in inner ring combining mechanism 9.
Interior connecting ring 10 and outer connecting ring 8 have the material thickness in 3mm to 50mm scope, the material thickness preferably in 5mm to 15mm scope.Preferred embodiment shown in Fig. 1 and Fig. 3 is the material thickness of 8mm, and this is enough to the required stability guaranteeing general construction.Therefore, interior connecting ring 10 and outer connecting ring 8 are extremely formed on thin-walled ground.
Interior connecting ring 10 and outer connecting ring 8 have the loops locking device accommodating part that significantly formed radial relative to spin axis 18 respectively, make to form inner ring combining mechanism accommodating part 11 on interior connecting ring 10 and outside connecting ring 8 form outer shroud combining mechanism accommodating part 12.Inner ring combining mechanism accommodating part 11 and outer shroud combining mechanism accommodating part 12 are conically shaped, wherein yet conically shaping inner ring combining mechanism 9 and outer shroud combining mechanism 7 in the embodiment illustrated.
Obviously also it is possible that these two connect in only one formed by connecting ring, the connection namely between outer bearing coupling 4 and outer race 3 or the connection between inner bearing coupling 2 and bearing inner ring 1 are formed by connecting ring.
According to invention rotary connecting device in the embodiment illustrated in figure 3, interior connecting ring 10 and outer connecting ring 8 are multi-part types, namely respectively by just two and half hull shapes become.It connects by means of bolt fixture 17 respectively at connection part place.
Another unshowned mode of execution according to rotary connecting device of the present invention has interior connecting ring 10 and outer connecting ring 8, described interior connecting ring and outer connecting ring to be formed in the mode of a side opening, and are respectively equipped with at least one bolt fixture 17 with closing openings by each opening.At this, the girth of outer connecting ring 8 is greater than the girth of outer shroud combining mechanism 7, make, realizing the overlapping of two ends of connecting ring 8 outside by outer connecting ring 8 around during joint outer shroud combining mechanism 7, wherein in order to fixing, bolt to be radially screwed in the cover part of outer connecting ring 8.Correspondingly, interior connecting ring 10 is by the overlapping formation in two end, and interior connecting ring 10 fixed by the bolt wherein through overlapping part.
As especially drawn from Fig. 1: outer bearing coupling 4 also has outer race 3 all to have end face engaging piece 13, make to prevent these two components radial rotary to each other.In addition, bearing inner ring 1 and inner bearing coupling 2 can have end face engaging piece 13 respectively, and described end face engaging piece also prevents these two components from relatively rotating to each other.Importantly, when being provided with radial engaging piece 14 on outer race 3, between outer bearing coupling 4 and outer race 3, form the connection of this form fit.So now, transmitting torque between outer race 3 and outer bearing coupling 4 best.
If be provided with radial engaging piece 14 on the contrary on bearing inner ring 1, so by the connection set of form fit, the connection set transfer high torque between bearing inner ring 1 and inner bearing coupling 2 such as equally in end face engaging piece 13 form.
In the embodiment illustrated, outer race 3 has radial engaging piece 14, can cause relative rotation by means of described radial engaging piece between bearing inner ring 1 and outer race 3.To this, inner bearing coupling 2 and with its radial bearing inner ring 1 anti-rotating be connected be arranged on vehicle bottom or arrange on the chassis of vehicle.
Inner bearing coupling 2 also has shoulder 19 in the embodiment illustrated, and bearing inner ring 1 is posted by shoulder.This shoulder 19 causes the centering of bearing inner ring 1.Equally, shoulder 19 can be cast on outer bearing coupling 4, and described outer bearing coupling provides outer bearing coupling 4 about the centering of outer race 3 with regard to it.
Reference numerals list
1 bearing inner ring
2 inner bearing couplings
3 outer races
4 outer bearing couplings
5 rolling elements
6 collars
7 outer shroud combining mechanisms
8 outer connecting rings
9 inner ring combining mechanisms
Connecting ring in 10
11 inner ring combining mechanism accommodating parts
12 outer shroud combining mechanism accommodating parts
13 end face engaging pieces
14 radial engaging pieces
15 bolts
16 nuts
17 bolt fixture
18 spin axiss
19 shoulders
Claims (11)
1. a rotary connecting device, it is made up of the inner bearing coupling (2) be connected with bearing inner ring (1), the outer bearing coupling (4) be connected with outer race (3) and the rolling element be arranged between described bearing inner ring (1) and described outer race (3)
It is characterized in that,
Go up described outer bearing coupling (4) and form collar (6) respectively on described outer race (3), described collar is complementary one-tenth outer shroud combining mechanism in couples, and the outer connecting ring (8) be provided with for clamping described outer shroud combining mechanism (7), and/or
Go up described inner bearing coupling (2) and form collar (6) respectively on described bearing inner ring (1), described collar is complementary one-tenth inner ring combining mechanism (9) in couples, and be provided with the interior connecting ring (10) for clamping described inner ring combining mechanism (9).
2. rotary connecting device according to claim 1, as long as be provided with described outer shroud combining mechanism (7) to also have described inner ring combining mechanism (9), its feature is just, described interior connecting ring (10) has inner ring combining mechanism accommodating part (11) and described outer connecting ring (6) has outer shroud combining mechanism accommodating part (12).
3. rotary connecting device according to claim 2, is characterized in that, described inner ring combining mechanism (9) and described outer shroud combining mechanism (7) are conically shaped.
4. the rotary connecting device according to Claims 2 or 3, is characterized in that, described inner ring combining mechanism accommodating part (11) and described outer shroud combining mechanism accommodating part (12) are conically shaped.
5. the rotary connecting device according to any one in claim 2 to 4, it is characterized in that, described interior connecting ring (10) and described outer connecting ring (8) to be formed in the mode of a side opening, and are respectively equipped with at least one bolt fixture (17) with closing openings by each opening.
6. the rotary connecting device according to any one in claim 2 to 4, it is characterized in that, described interior connecting ring (10) multi-part type ground forms and has at least one internal fixtion mechanism, and described outer connecting ring (8) multi-part type ground is formed and has at least one extenal fixation mechanism.
7. rotary connecting device according to claim 6, is characterized in that, described internal fixtion mechanism and described extenal fixation mechanism are formed as bolt fixture (17).
8. rotary connecting device according to claim 7, is characterized in that, described interior connecting ring (10) can be become by means of half hull shape that described bolt fixture (17) is fixing by two with described outer connecting ring (8).
9. the rotary connecting device according to any one in claim 1 to 8, it is characterized in that, described inner bearing coupling (2) and described bearing inner ring (1) and/or described outer bearing coupling (4) and described outer race (3) have the joint of form fit, are preferably formed to end face engaging piece (13).
10. the rotary connecting device according to any one in claim 1 to 9, is characterized in that, described outer race (3) and/or described bearing inner ring (1) have radial engaging piece (14).
11. rotary connecting devices according to claim 10, is characterized in that, are provided with the driver element run with motor manner, to regulate described inner bearing coupling (2) relative to described outer bearing coupling (4).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012104016.8 | 2012-05-08 | ||
| DE201210104016 DE102012104016B4 (en) | 2012-05-08 | 2012-05-08 | rotary joint |
| PCT/DE2013/100167 WO2013167122A1 (en) | 2012-05-08 | 2013-05-06 | Rotary connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104428546A true CN104428546A (en) | 2015-03-18 |
Family
ID=48576675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380036481.5A Pending CN104428546A (en) | 2012-05-08 | 2013-05-06 | Rotary connection |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2847482A1 (en) |
| KR (1) | KR20150008899A (en) |
| CN (1) | CN104428546A (en) |
| DE (1) | DE102012104016B4 (en) |
| WO (1) | WO2013167122A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941252A (en) * | 1975-01-23 | 1976-03-02 | Koehring Company | Crane with removable superstructure |
| SU767011A1 (en) * | 1972-07-10 | 1980-09-30 | Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения | Support and rotary platform for load lifting machines |
| JPS6417798A (en) * | 1987-07-11 | 1989-01-20 | Kato Seisakusho Kk | Fixture for working machine swivel base |
| DE202007011612U1 (en) * | 2007-08-16 | 2007-10-25 | Terex-Demag Gmbh & Co. Kg | United pivot bearing |
| CN102352750A (en) * | 2011-06-24 | 2012-02-15 | 三一重型装备有限公司 | Heading machine and star wheel external-teeth driving device for heading machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7130365U (en) * | 1972-01-20 | Brand R | Seal for flange connections in vacuum technology | |
| US2075280A (en) * | 1934-11-19 | 1937-03-30 | Gen Motors Corp | Bearing |
| DE870347C (en) * | 1950-05-11 | 1953-03-12 | Maerkische Armaturen G M B H | Pipe connection |
| DE2207841A1 (en) * | 1972-02-19 | 1972-08-30 | Licentia Gmbh | ARRANGEMENT FOR CONNECTING ROUND FLANGED PIPES |
| NL176011C (en) * | 1974-09-30 | 1985-02-01 | Skf Ind Trading & Dev | BEARING UNIT. |
| DE3244153C2 (en) * | 1982-11-29 | 1985-09-12 | Mannesmann AG, 4000 Düsseldorf | Device for the detachable fastening of the upper part of a vehicle crane, excavator or similar device on the lower part |
| DE3723554C2 (en) * | 1987-07-16 | 1996-07-25 | Liebherr Werk Biberach Gmbh | Connection of a bearing ring of a large roller bearing of a rotating platform or the like to an undercarriage or the like |
| DE10141667A1 (en) * | 2001-08-25 | 2003-03-13 | Aloys Wobben | Device for rotating two components against each other |
| US6786645B2 (en) * | 2001-11-21 | 2004-09-07 | The Timken Company | Mounting for vehicular road wheel |
| DE102008035691B4 (en) * | 2008-07-30 | 2014-10-23 | Schaeffler Technologies Gmbh & Co. Kg | radial bearings |
-
2012
- 2012-05-08 DE DE201210104016 patent/DE102012104016B4/en active Active
-
2013
- 2013-05-06 CN CN201380036481.5A patent/CN104428546A/en active Pending
- 2013-05-06 KR KR20147034232A patent/KR20150008899A/en not_active Application Discontinuation
- 2013-05-06 EP EP13727038.5A patent/EP2847482A1/en not_active Withdrawn
- 2013-05-06 WO PCT/DE2013/100167 patent/WO2013167122A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU767011A1 (en) * | 1972-07-10 | 1980-09-30 | Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения | Support and rotary platform for load lifting machines |
| US3941252A (en) * | 1975-01-23 | 1976-03-02 | Koehring Company | Crane with removable superstructure |
| JPS6417798A (en) * | 1987-07-11 | 1989-01-20 | Kato Seisakusho Kk | Fixture for working machine swivel base |
| DE202007011612U1 (en) * | 2007-08-16 | 2007-10-25 | Terex-Demag Gmbh & Co. Kg | United pivot bearing |
| CN102352750A (en) * | 2011-06-24 | 2012-02-15 | 三一重型装备有限公司 | Heading machine and star wheel external-teeth driving device for heading machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012104016B4 (en) | 2014-03-13 |
| KR20150008899A (en) | 2015-01-23 |
| WO2013167122A1 (en) | 2013-11-14 |
| DE102012104016A1 (en) | 2013-11-14 |
| EP2847482A1 (en) | 2015-03-18 |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |