EP2232069A1 - Montage à berceau pivotant pour machines à pistons axiaux - Google Patents

Montage à berceau pivotant pour machines à pistons axiaux

Info

Publication number
EP2232069A1
EP2232069A1 EP08867386A EP08867386A EP2232069A1 EP 2232069 A1 EP2232069 A1 EP 2232069A1 EP 08867386 A EP08867386 A EP 08867386A EP 08867386 A EP08867386 A EP 08867386A EP 2232069 A1 EP2232069 A1 EP 2232069A1
Authority
EP
European Patent Office
Prior art keywords
bearing
housing
pivoting
pivoting cradle
schwenkwiegenlagerung
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.)
Withdrawn
Application number
EP08867386A
Other languages
German (de)
English (en)
Inventor
David Breuer
Hendrik Friedrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2232069A1 publication Critical patent/EP2232069A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F03C1/0644—Component parts
    • F03C1/0668—Swash or actuated plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F03C1/0644—Component parts
    • F03C1/0668—Swash or actuated plate
    • F03C1/0671—Swash or actuated plate bearing means or driven axis bearing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • F04B1/2085—Bearings for swash plates or driving axles
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • 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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/02—Sliding-contact 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
    • F16C2360/00—Engines or pumps

Definitions

  • the invention relates to a Schwenkwiegenlagerung an axial piston machine with a housing, a pivoting cradle and formed by the housing and the pivoting cradle pivoting space, wherein the pivoting cradle and / or the housing and / or arranged in the pivot bearing chamber bearing element are formed deformable such that a deflection of the Swing cradle can be compensated.
  • an axial piston machine which receives a pivoting cradle in its housing.
  • the housing and the pivoting cradle form two pivot bearing areas, in each of which a bearing shell is received.
  • the pivoting cradle is supported on the bearing shells.
  • the bearing shells in turn are supported on the housing.
  • the housing, the swivel cradle and the bearing shells form pivot bearings.
  • bearing surfaces are designed to support. In the case of the pivoting-angle bearings of the axial-piston machine, the pivoting cradle bends due to the large axial forces which the pistons exert on the pivoting cradle.
  • a deflection of the pivoting cradle is compensated and
  • the pivoting pivot bearing according to the invention of an axial piston machine comprises a housing, a pivoting cradle and a pivot bearing area formed by the housing and the pivoting cradle. In the pivot bearing area, one or more bearing elements can be arranged.
  • the pivoting cradle and / or the housing and / or a bearing element arranged in the pivoting bearing area are deformable such that a deflection of the pivoting cradle can be compensated.
  • pivoting cradle and / or the housing and / or arranged in the pivot bearing portion bearing element are formed deformable, by a deformation of at least a portion of the pivoting cradle and / or the housing and / or the bearing element is a full-surface or area-maximized investment between the housing and the Bearing element and / or the bearing element and the pivoting cradle or optionally between the housing and the pivoting cradle can be achieved.
  • the deflection of the pivoting cradle is compensated by one or more such full-surface or area-maximized systems. By compensating for the deflection, improved wear resistance, improved hydrostatic relief and, furthermore, an improved sealing effect are realized. As a result, in particular higher efficiency of the axial piston machine is achieved.
  • the pivoting cradle has at least one cavity and / or a recess and / or a relief.
  • the pivoting cradle is deformable.
  • one is full-surface contact between the pivoting cradle and a bearing element or optionally between the pivoting cradle and the housing allows. The deflection of the pivoting cradle can thus be compensated.
  • the housing has at least one cavity and / or a recess and / or a relief.
  • the housing is deformable and allows a full-surface contact between the housing and a bearing element or, if appropriate, between the housing and the pivoting cradle.
  • the deflection of the pivoting cradle can be compensated here as well.
  • the bearing element preferably has an at least hollow space and / or a recess and / or a relief.
  • the bearing element is thereby deformable and allows a full-surface contact both between the bearing element and the housing and between the bearing element and the pivoting cradle.
  • the structures i. the recesses, reliefs or cavities are filled in advantageous embodiments with an elastic additional material.
  • the elastic filler material or its elasticity By selecting the elastic filler material or its elasticity, the bending stiffness of the structured regions of the components, i. the pivoting cradle and / or the housing and / or the bearing element, also subsequently set further or finer and thus the requirements are even better adapted. Fatigue of the components can be compensated in this way. As a result, the longevity of the components is ensured or increased.
  • the additional material itself have the structures mentioned so far, in order to also realize or reinforce the effects mentioned so far.
  • the pivoting cradle and / or the housing and / or the bearing element each consist at least partially of an elastically deformable material.
  • a combination of the features mentioned so far allows a particularly advantageous flexibility of the pivoting pivot bearing.
  • each component can perform a part of the deformation on its own.
  • the deformations are better matched and the task according to the invention is solved all the better.
  • less deformation is required of each individual component.
  • the wear resistance is particularly increased.
  • the better coordinated deformations are each further improved by the slight elastic deformability, as they are each easier to better match the stresses.
  • FIG. 1 shows a simplified section through a part of a first embodiment of a Axialkol- benmaschine
  • FIG. 2 shows a simplified section through part of a second embodiment of an axial piston machine
  • FIG. 3 shows a simplified section through part of a third embodiment of an axial piston machine
  • 4 shows an exemplary representation of the basic shape of a bearing shell in several perspectives
  • FIG. 5 shows a further simplified section through a part of a third embodiment of an axial piston machine
  • Fig. 6 is a perspective view of the bearing shell of Fig. 5;
  • Fig. 7 is a partially sectioned view of the bearing shell of Fig. 5;
  • FIG. 8 shows a cross section through a region of the passage opening of the bearing shell from FIG. 5;
  • FIG. 11 is an enlarged view of the detail of Figure 7;
  • FIG. 12 shows a perspective view of a bearing shell with a first relief
  • Fig. 13 is a perspective view of a bearing shell with a second relief.
  • FIG. 1 shows a simplified section through a part of a first embodiment of an axial piston machine.
  • a pivot cradle 3 'according to the invention as a replacement for a conventional pivoting cradle 3, as shown by way of example in FIG. 2 added.
  • the housing 1 and the pivoting cradle 3 'according to the invention together form a pivoting Weighing bearing 4 with a pivot bearing portion 5 from.
  • the pivotal rolling bearing 4 and pivot bearing area 5 are two bearing shells 2 are added as bearing elements.
  • the bearing elements or bearing shells 2 support an advantageous guidance and support of the pivoting cradle 3 'according to the invention in the housing 1 and wear protection of the housing 1.
  • the bearing shells 2 accommodated in the pivoting pivot bearing 4 correspond, as shown for example in FIG a section of a cylindrical surface.
  • the housing 1 and the pivoting cradle 3 'according to the invention in each case form complementary regions for forming the pivoting pivot bearing 4 with respect to the bearing shells 2, which likewise have the shape of a section of a cylinder jacket surface.
  • the zylindermantel- surface-shaped areas are concentrically formed about a common cylinder axis, not shown, around which the pivoting cradle 3 'according to the invention can rotate during their pivotal movements, wherein it slides on an inner bearing surface of the bearing shell 2.
  • the bearing elements or bearing shells 2 are secured against rotation relative to the housing 1.
  • the bearing elements or bearing shells 2 and / or the housing 1 each form special structures.
  • the pivoting cradle 3 'according to the invention lies slidably on the bearing shells 2 during its pivotal movements and is supported on these.
  • the pivoting cradle 3 ' according to the invention has, in the illustrated embodiment of the invention, a bearing shell section 3a and a tread section 3b. Between the tread portion 3b and the bearing shell portion 3a is formed as a recess, a gap 9 in the form of a slot. In the region of the outer circumference, the bearing shell section 3a and the tread section 3b are connected to one another. Because of the elastic connection formed there, the bearing on the bearing shell 2 part of the bearing shell portion 3a can tilt relative to the running surface of the tread portion 3b.
  • a plurality of recesses may be formed in the pivoting cradle 3' according to the invention instead of just one recess. These may vary widely in the radial direction. Alternatively or additionally, one or more cavities may be formed in the pivoting cradle 3 'according to the invention for this purpose. As a further alternative or in addition thereto, a relief may be formed on a bearing surface 2 or housing 1 facing surface of the pivoting cradle 3 'according to the invention. Such structures allow in each case and in any combination with each other an elastic deformation of the pivoting cradle 3 'according to the invention.
  • Fig. 2 shows a simplified section through a part of a second embodiment of an axial piston machine.
  • the same elements as in Fig. 1 are provided with the same reference numerals. The explanations to these correspond to those of Fig. 1.
  • the swivel cradle 3 which is designed in this embodiment of an axial piston machine in conventional form, is now on the housing side another slot 11 formed as a recess.
  • the slot extends radially outward from a drive shaft opening penetrating the housing 1, 1 'or the pivoting cradle 3, 3'.
  • this housing side formed further slot 11 formed in the housing 1 'invention bearing shells 10 on which the bearing shells 2 rest.
  • bearing shells 10 are connected by the slits of the housing 1 'according to the invention elastically with the rest of the housing 1' according to the invention and therefore can absorb the weighing loads.
  • an elastic deformation of the bearing shell receptacles 10 an adjustment of the position of the bearing shells 2 in turn relative to the pivoting cradle 3 or the bearing surface areas formed thereon is made possible.
  • a plurality of recesses may be formed in the housing 1 'according to the invention instead of just one recess as well. Additionally or alternatively, one or more cavities may be formed in the housing 1 'according to the invention. Furthermore, as a further alternative or in addition to a bearing shell 2 or the pivoting cradle 3 facing surface of the housing 1 'according to the invention may be formed a relief.
  • the proposed structures allow in each case and in combination with each other an elastic deformation of the housing 1 'according to the invention for adjusting the position of the bearing shells 2 relative to the pivoting cradle 3. The deflection of the pivoting cradle 3 is thereby also compensated.
  • FIG. 3 shows a simplified section through a part of a third embodiment of an axial piston machine.
  • the same elements as in Fig. 1 are provided with the same reference numerals and are already explained to Fig. 1.
  • 2 inventive bearing shells 2 ' are arranged in a conventional housing 1 instead of the conventional bearing shells.
  • the bearing shells 2 'according to the invention are designed so that they can be deformed by load.
  • a support surface facing the housing 1 of a bearing shell 2 'according to the invention is inclined relative to the bearing surface of the bearing shell 2' according to the invention assigned to the pivoting cradle 3.
  • a bearing shell relief 12 is introduced on a support surface facing the housing 1 of the bearing shell 2 'according to the invention.
  • the bearing shell relief 12 is formed by groove-shaped recesses.
  • a relief can just as well be alternatively or additionally formed on the opposite bearing surface of the bearing shell 2 'according to the invention.
  • one or more cavities may be formed in the bearing shell 2 'according to the invention, which likewise deform the bearing shell 2' according to the invention for adapting the position of the bearing shell 2 'relative to the pivoting cradle 3 and / or to the housing 1 or respectively formed there bearing surface areas ensures.
  • the material of the components ie of the housing 1, 1 'and / or the bearing shells 2, 2' and / or the pivoting cradle 3, 3 ', can be specifically selected at least in regions such that targeted deformation is favored.
  • the components may be at least partially made of a slightly elastically deformable material. This ensures particularly easy that the deflection of the pivoting cradle 3 is compensated.
  • 4 shows an exemplary representation of the basic shape of a conventional bearing shell 2 in several perspectives.
  • the conventional bearing shell 2 can be converted by forming a bearing shell relief 12 on the housing 1 side facing to a bearing shell 2 'according to the invention.
  • the basic shape of the bearing shell 2 has the shape of a halved hollow cylinder.
  • the ends of the bearing shell 2 are reshaped in such a way that a rotation against a housing receiving them 1, 1 'is achieved.
  • the outwardly formed ends 13 are supported in the housing 1, 1 'so that during a pivoting movement, a displacement of the bearing shell 2 is prevented from its intended position.
  • FIG. 5 shows a further simplified section through part of a third exemplary embodiment of an axial piston machine.
  • the pivoting cradle 3 lies in a bearing shell 2 according to the invention replacing Lagerscha- Ie 2 'with a bearing shell relief 12 and is based on the bearing shell 2' according to the invention on the housing 1 from.
  • the bearing shell 2 'according to the invention has, on its surface facing the housing 1, grooves 12' extending in the circumferential direction of the bearing shell 2 'according to the invention, which grooves produce the bearing shell relief 12.
  • the grooves 12 'of the bearing shell 2' according to the invention are arranged in the illustrated embodiment on the side facing the second, not shown in FIG. 5, inventive bearing shell 2 'side.
  • the grooves 12' can be distributed over the entire support surface of the bearing shell 2 'according to the invention.
  • the distances of the grooves 12 'from each other may increase towards the outside. That's it also possible to vary the width of support webs 14 (see FIG. 9) between the grooves 12 'over the outer surface of the bearing shell 2' according to the invention.
  • the depth of the grooves 12 ' can be varied.
  • a circular arc-shaped cross section and different radii can be used. These decrease in particular in the direction away from each other of the bearing shells 2 'according to the invention.
  • the cross section of each groove 12 ' corresponds to a semicircle.
  • the support webs 14 e.g. by a post-processing, to be curved or inclined.
  • a loading of the bearing shell 2 'according to the invention in the direction of the housing 1 with axial forces leads to a deformation of the support webs 14 and thus also of the bearing shell 2' according to the invention.
  • This deformation causes the surface of the bearing shell 2 'according to the invention oriented toward the pivoting cradle 3 to have a smaller distance from the housing 1 or the bearing cup receptacle formed therein in the pivot bearing space (5) than in the area which is not interrupted by the cradle Insertion of the grooves 12 'is weakened.
  • the surface of the bearing shell 2 'according to the invention oriented towards the pivoting cradle 3 thus tends to face the bearing surface of the bearing shell receptacle, which is formed in the housing 1.
  • the deflection of the pivoting cradle 3 is compensated.
  • FIG. 6 shows a perspective view of the bearing shell 2 'according to the invention from FIG. 5.
  • FIG. 7 shows a partially cutaway view of the bearing shell 2' according to the invention.
  • a passage opening 15 is formed in the bearing shell 2 'according to the invention.
  • a fixing of the bearing shell in the housing 1, 1 ' is possible. This can be done in the case 1, 1 'be formed a support member which engages in the through hole 15.
  • a cross section through the region of the passage opening 15 is shown in FIG. 8.
  • FIG. 8 shows that in the axial direction only in one half of the outer surface of the bearing shell according to the invention 2 'grooves 12' are formed.
  • FIG. 9 shows a further enlarged detail of FIG. 8.
  • the opening angle of the grooves 12 ' is preferably about 35 °. Due to the decreasing depth of the grooves 12 'of the inclination of the two bearing surfaces of the bearing shell 2' according to the invention, so on the one hand on the side of the housing 1, 1 'and on the other hand on the side of the Schenkwiege 3, 3', bill.
  • FIG. 10 shows once again a view of the bearing shell 2 'according to the invention. It will be appreciated that the grooves 12 'on the outer peripheral surface extend from one end of the bearing shell 2' according to the invention to its other end. To illustrate the passage opening 15, by means of which the bearing shell 2 'according to the invention can be fixed in the housing 1, 1', the cutout 11 of FIG. 7 is shown enlarged again in FIG.
  • FIG. 12 Another possibility for achieving the deformability of the bearing shell 2 'according to the invention is, instead of the grooves (as illustrated, for example, in FIG. 12 (the reference numbers refer to the elements explained in the preceding figures with the same reference numerals.)) Which extend along the Extending outer circumference, an alternative relief, such as a knurled pattern 16, to introduce into the outer surface of the bearing shell.
  • a knurled pattern 16 is shown in FIG.
  • the knurling creates a regular relief structure.
  • This regular structure may be formed by pyramidal pyramidal tip elements.
  • the regular relief structure is formed by truncated pyramidal elements 17. These truncated pyramidal elements 17 each have an upper surface 17 '.
  • the upper surfaces 17 'in their entirety form the contact surface of the illustrated embodiment of the bearing shell 2' according to the invention with respect to the housing 1, 1 '.
  • the truncated pyramidal elements 17 are elastically deformable and can also consist of slightly elastically deformable material. When loaded, the pyramidal elements can further penetrate at least partially into the mating surface of the housing 1, 1 '.
  • structures are formed which ensure the deformability of specific components of the pivoting pivot bearing in favor of a surface maximization of bearing surfaces between at least two of these components in order to compensate for the deflection of the pivoting cradle.
  • the structures explained can be combined in one component.
  • the structures explained can each be formed in several components at the same time. Then the beneficial balancing effects are enhanced.
  • Structures within a component and / or structures of different components can also be matched to one another. For example, mutually complementary reliefs may be formed. Thus, for example, a relative displacement of surface elements of different components in mutually orthogonal directions as required either favored or, on the other hand, prevented.
  • a relative displacement of surface areas or sections of a bearing shell according to the invention and a pivoting cradle according to the invention along the common cylinder axis in a desired embodiment and undesirable in another.
  • a relative displacement of the pivoting cradle according to the invention to the bearing shell according to the invention along the common cylinder axis prevented become.
  • Figures 12 and 13 show perspective views of different inventive bearing shells 2 ', in each of which on the side facing the housing 1, a relief is formed, which allows a deformation of the inventive bearing shells 2'.
  • the relief may consist of elastically or slightly elastically deformable material, which is additionally plastically deformable. More generally, all the structures discussed so far can each consist of an elastically or slightly elastically deformable material, which is also plastically deformable. Due to the plastic deformability of structures of the components, the equilibrium form of the structures or components adapts to a loaded form. Thereby, the compensation of the deflection of the pivoting cradle 3 is simplified from the outset by the equilibrium form of the structures.
  • the structures i. the recesses, reliefs or cavities, for example, can be filled with an elastic additional material.
  • an elastic additional material with suitable elasticity, the bending stiffness of the structured regions of the components can also be subsequently refined or adapted to the requirements. Fatigue of the components can be compensated and / or prevented in this way. This ensures the longevity of the components.
  • the additional material itself may have the structures mentioned so far in order to likewise reinforce the effects mentioned above. These structures can also be filled in the same way with another elastic filler material.
  • the exemplary embodiments relate to bearing elements 2 and 2 'designed as bearing elements.
  • the invention is not limited to such bearing elements. Rather, the inventive idea extends to the formation of a cavity and / or a recess and / or a relief in each bearing element, which intermediate a pivoting cradle and a housing of an axial piston machine is mounted.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne un montage à berceau pivotant d'une machine à pistons axiaux comprenant : un logement (1, 1') ; un berceau pivotant (3, 3') ; et une zone de palier de pivotement (5) formée par le logement (1, 1') et par le berceau pivotant (3, 3'). Le berceau pivotant (3, 3') et/ou le logement (1, 1'), et/ou un élément de palier (2, 2') disposé dans la zone de palier de pivotement (5), sont ici conçus déformables de telle sorte qu'un fléchissement du berceau pivotant (3, 3') peut être compensé.
EP08867386A 2007-12-28 2008-12-17 Montage à berceau pivotant pour machines à pistons axiaux Withdrawn EP2232069A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007062886 2007-12-28
DE102008013010A DE102008013010A1 (de) 2007-12-28 2008-03-07 Schwenkwiegenlagerung für Axialkolbenmaschinen
PCT/EP2008/010758 WO2009083153A1 (fr) 2007-12-28 2008-12-17 Montage à berceau pivotant pour machines à pistons axiaux

Publications (1)

Publication Number Publication Date
EP2232069A1 true EP2232069A1 (fr) 2010-09-29

Family

ID=40690874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08867386A Withdrawn EP2232069A1 (fr) 2007-12-28 2008-12-17 Montage à berceau pivotant pour machines à pistons axiaux

Country Status (3)

Country Link
EP (1) EP2232069A1 (fr)
DE (1) DE102008013010A1 (fr)
WO (1) WO2009083153A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048905A1 (de) * 2009-10-09 2011-04-14 Robert Bosch Gmbh Verstellbare Axialkolbenmaschine mit einer Lagerschale für die Schwenkwiege
DE102010032649A1 (de) 2010-07-29 2012-02-02 Robert Bosch Gmbh Verstellbare Axialkolbenmaschine und Schwenkwiege
DE102012214343A1 (de) 2011-09-30 2013-04-04 Robert Bosch Gmbh Hydrostatische Axialkolbenmaschine
DE102012214830B4 (de) * 2012-08-21 2022-06-30 Robert Bosch Gmbh Hydrostatische Axialkolbenmaschine mit verstellbarer Schrägscheibe oder Schenkwiege und zugehörigem Gleitlager mit hydrostatischem Druckfeld, dessen Randkonturausbildung den Leckagestrom ins Gehäuse minimiert
DE102013210387A1 (de) 2013-06-05 2014-12-11 Robert Bosch Gmbh Schrägscheibenmaschine
DE102013220229A1 (de) 2013-10-08 2015-04-09 Robert Bosch Gmbh Schrägscheibenmaschine
DE102013220231A1 (de) * 2013-10-08 2015-04-09 Robert Bosch Gmbh Schrägscheibenmaschine
DE102013225568A1 (de) 2013-12-11 2015-06-11 Robert Bosch Gmbh Schrägscheibenmaschine
DE102014202605A1 (de) 2014-02-13 2015-08-13 Robert Bosch Gmbh Schrägscheibe für eine in ihrem Hubvolumen verstellbare hydrostatische Axialkobenmaschine und Axialkolbenmaschine mit einer solchen Schrägscheibe
US9771929B2 (en) 2014-05-02 2017-09-26 Caterpillar Inc. Stress reduction in hydrostatic cradle bearing
DE102016208286A1 (de) 2015-05-28 2016-12-01 Robert Bosch Gmbh Rollenlager und hydrostatische Axialkolbenmaschine in Schrägscheibenbauweise mit einem Rollenlager
DE102015211098A1 (de) 2015-06-17 2016-12-22 Robert Bosch Gmbh Hydrostatische Axialkolbenmaschine in Schrägscheibenbauweise
DE102016212376B4 (de) * 2016-07-07 2019-01-03 Zf Friedrichshafen Ag Anordnung mit einer ortsfesten Struktur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630352A (en) * 1996-03-08 1997-05-20 Vickers, Incorporated Variable displacement hydrualic piston machine saddle bearing
EP1435457A1 (fr) * 2003-01-03 2004-07-07 Lavorwash S.p.A. Pompe axiale avec dispositif automatique de réglage du débit
US7021904B2 (en) * 2003-09-29 2006-04-04 Kayaba Industry Co., Ltd. Swash plate type hydraulic pump or motor
ITMO20040306A1 (it) * 2004-11-19 2005-02-19 Lavorwash Spa Pomapa e apparato di pulizia comprendente tale pompa.
EP1780410B1 (fr) * 2005-10-26 2013-04-03 Poclain Hydraulics Machine hydraulique à déplacement variable avec plateau en biais
DE102006037690A1 (de) 2006-08-11 2008-02-14 Robert Bosch Gmbh Axialkolbenmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009083153A1 *

Also Published As

Publication number Publication date
DE102008013010A1 (de) 2009-07-02
WO2009083153A1 (fr) 2009-07-09

Similar Documents

Publication Publication Date Title
EP2232069A1 (fr) Montage à berceau pivotant pour machines à pistons axiaux
EP1886035B1 (fr) Palier pivotant a disques obliques
WO2014187518A1 (fr) Dispositifs d'articulation
WO2007039384A1 (fr) Poussoir a galet
EP1101044A1 (fr) Silentbloc a course radiale limitee et conduit de fluide amortisseur
DE102010016472B3 (de) Wälzmühle
DE102016219232B4 (de) Verbesserte lageranordnung
DE2031511B2 (de) Mechanische betaetigungsvorrichtung fuer fahrzeuginnenbackenbremsen
EP3277977B1 (fr) Amortisseur axial
DE2543612C3 (de) Variable Riemenscheibe
EP1978275A2 (fr) Articulation, en particulier sur une plateforme pivotante entre un wagon avant et un wagon arrière d'un bus à plateforme pivotante
EP1836403A1 (fr) Profilage d'extremites pour des elements complementaires de courses de paliers lisses permettant de reduire la pression superficielle
DE202011051001U1 (de) Spannelement für eine Spannvorrichtung
DE102010052004B4 (de) Asymmetrisch geteiltes Gleitlager für eine radiale Lagerschalenmontage
DE10081556B4 (de) Schrägscheiben-Schwenklager
EP1124076B1 (fr) Palier de pivotement, en particulier palier pour une barre stabilisatrice d' un véhicule
EP4086477A1 (fr) Boéte de vitesses
DE102014220384B4 (de) Kraftstoffhochdruckpumpe und Antriebswelle
DE19617607A1 (de) Hubkolbenmaschine
EP3046692B1 (fr) Liaison arbre-moyeu, en particulier liaison tourillon de cylindre-trèfle, solidaire en rotation destinée à être réalisée dans des laminoirs, élément de réception de tourillon et ensemble d'entraînement pour un laminoir, destiné à entraîner au moins un cylindre de travail
DE102017111996B4 (de) Lageranordnung
WO2019091701A1 (fr) Ensemble stator pour pompe à vis excentrique
WO2024125707A1 (fr) Palier lisse axial hydrodynamique ou hydrostatique
DE19800631A1 (de) Axialkolbenmaschine mit Stützteil
EP0064563B1 (fr) Disposition de patin glissant pour machine à pistons radiaux

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20100728

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

RIN1 Information on inventor provided before grant (corrected)

Inventor name: FRIEDRICH, HENDRIK

Inventor name: BREUER, DAVID

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20130702