WO2010115518A2 - Douille-palier, machine à engrenages et procédé pour produire une douille-palier - Google Patents

Douille-palier, machine à engrenages et procédé pour produire une douille-palier Download PDF

Info

Publication number
WO2010115518A2
WO2010115518A2 PCT/EP2010/001823 EP2010001823W WO2010115518A2 WO 2010115518 A2 WO2010115518 A2 WO 2010115518A2 EP 2010001823 W EP2010001823 W EP 2010001823W WO 2010115518 A2 WO2010115518 A2 WO 2010115518A2
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
bearing sleeve
sleeve
arrangement
displacer unit
Prior art date
Application number
PCT/EP2010/001823
Other languages
German (de)
English (en)
Other versions
WO2010115518A3 (fr
Inventor
Ulrich Lendl
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 WO2010115518A2 publication Critical patent/WO2010115518A2/fr
Publication of WO2010115518A3 publication Critical patent/WO2010115518A3/fr

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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/203—Multilayer structures, e.g. sleeves comprising a plastic lining
    • F16C33/206—Multilayer structures, e.g. sleeves comprising a plastic lining with three layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • F04C2230/601—Adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/52—Bearings for assemblies with supports on both sides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/56—Bearing bushings or details thereof
    • 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
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/30—Fluoropolymers
    • F16C2208/32—Polytetrafluorethylene [PTFE]
    • 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
    • F16C2360/42—Pumps with cylinders or pistons

Definitions

  • the invention relates to a bearing sleeve according to the preamble of claim 1, a gear machine with such a bearing sleeve according to the preamble of claim 5 and a method for producing such a bearing sleeve according to the preamble of claim. 7
  • the document EP 0 683 807 B1 describes the structure of such a bearing sleeve. This has an inner bearing race, which is accommodated on a metal carrier, wherein the running layer consists of a metal-polymer composite material.
  • the bearing sleeve is free of lead.
  • the document DE 199 24 057 A1 shows an external gear machine with bearing sleeves which, for example, correspond to the abovementioned bearing sleeves.
  • the external gear machine has a pair of gears mounted in a housing, wherein the gears are each fixedly connected to a gear shaft.
  • the gear shafts are slidably mounted on the bearing sleeves pressed into housing bores of the housing.
  • the document DE 10 2006 021 815 A1 represents an external gear machine in which the bearing sleeves are pressed into bearing bushes that are movable for the axial force compensation of the gears.
  • a disadvantage of the above-mentioned documents is that the bearing sleeves can be solved in the housing or in the bearing bushes in use of the external gear machine. A loosening of the bearing sleeves may cause them to move with the rotating gear shafts, which causes consequential damage, such as example, damage of Axialfelddichtonne, the housing or the bushings, to the total failure of the gear machine.
  • the invention has for its object to provide a bearing sleeve with a tight fit and a cost-effective method for producing such a bearing sleeve.
  • Another object of the invention is to provide a gear machine which enables safe use and has a long service life.
  • a bearing sleeve in particular a plain bearing made of a metal-polymer composite material for a hydraulic displacement unit, an inner circumferential surface as a sliding surface and an outer circumferential surface as a holding surface for insertion into a bearing receptacle.
  • a groove arrangement for improving the bearing seat is introduced.
  • the scoring arrangement leads to a much safer sleeve seat compared to the prior art with little additional manufacturing costs.
  • the groove arrangement is diamond-shaped, whereby forces in the circumferential and axial direction of the bearing sleeve can be absorbed by this.
  • the scoring arrangement is introduced to reduce the manufacturing costs in a limited area of the outer circumferential surface.
  • a hydraulic displacement unit in particular an external gear machine, has a housing for receiving two intermeshing gears, which are axially between two bearing bodies and radially in each case via a bearing receptacles of the bearing body slidably received bearing shaft are mounted.
  • bearing bushes according to the invention are arranged between the bearing bodies and the bearing shafts in the bearing receptacles.
  • the bearing body of the displacer unit may consist of a softer material than the bearing sleeve, whereby the scoring arrangement can penetrate firmly into the material of the bearing body.
  • the scoring arrangement can be arranged in the loaded area of the bearing receptacles, as a result of which it is additionally pressed into the material of the bearing bodies via the bearing shafts.
  • a scoring arrangement is introduced into a metal sheet and subsequently the sheet is rolled into a sleeve shape.
  • the scoring arrangement can be made with little effort with a tool that is also used for the production of finishing files with one-stroke, crosscut or rasp.
  • FIG. 1 shows a longitudinal section of an external gear machine according to an embodiment
  • FIG. 2 is a perspective view of a bearing sleeve of the external gear machine from FIG. 1.
  • Figure 1 shows an inventive, as Wegenzahnrahpumpe, running gear machine 1 with a housing 2, which has an inner space 4, which is bounded by two attached to the housing 2 covers 6, 8, according to one embodiment.
  • a gear arrangement 10 is arranged, which has two meshing with each other in external engagement gears 12, 14.
  • the gear 12 is rotatably connected to a drive shaft 16 and mounted on this in the housing 2.
  • the drive shaft 16 is guided on a drive side 18 by the cover 6 designed as a bearing cover to the outside and sealed by a shaft seal 20 which limits a shaft seal chamber 22.
  • the second gear 14 is rotatably connected to a bearing axis 24.
  • the gear wheels 12, 14 are mounted in bearing receivers 30, 32 via the drive shaft 16 or the bearing axle 24 in two bearing bushes 26, 28 arranged opposite one another in the interior of the housing 2.
  • the bearing receivers 30, 32 are each provided with a bearing sleeve 34.
  • the bushings 26, 28 may also be in several parts, for example, in two parts with one of the shaft 16 and one of the axle 24 associated bearing part executed in a non-illustrated embodiment.
  • an axial field seal 36, 38 is arranged with a substantially rectangular cross section, wherein between a bearing body side support surface 40 for the Axialfelddichtonne 36, 38 and the inside 42 of the lid 6, 8 an axial play Y exists.
  • an annular housing seal 44, 46 is provided in each case, which seals the housing 2 to the outside.
  • the Axialfelddichtonne 36, 38 and the housing seals 44, 46 in grooves 48, 49 of the cover 6, 8 are arranged.
  • Figure 2 shows in a perspective view, the bearing sleeve 34 of Figure 1 according to the Ausf darhrungsbeispiel.
  • This is a metal-polymer composite existing sliding bearing.
  • the metal-polymer composite is based, for example, on a polytetrafluoroethylene (PTFE) base, in particular DU® or DP31 TM.
  • Bushings 34 made of DP31 TM have a higher load capacity than bearing bushings 34 made of DU® and free of lead (Pb).
  • the bearing sleeves 34 have a metal back with an outer circumferential surface 52 and an inner intermediate layer of porous sintered bronze. Pores of the bronze are filled in a rolling process with a mixture of PTFE and Gleitzuskanken and covered. While the metal backing ensures a high mechanical strength and stability, the intermediate layer provides a firm clamping with a running surface or sliding surface 54.
  • a scoring arrangement 56 is introduced from the outer lateral surface 52 forth.
  • This has two Riefenfelder 58, 60 with each approximately parallel to each other and employed to a longitudinal axis of the bearing sleeve 34 grooves 62, wherein the Riefenfelder 58, 60 are approximately cross-shaped or diamond-shaped one above the other.
  • the individual roughly rectilinear grooves 62 each extend over the entire width of the bearing sleeve 34.
  • the bearing sleeves 34 are pressed into the bearing receivers 30, 32 of the bearing bushes 26, 28 of Figure 1 form, force and / or frictionally engaged in a known manner.
  • the scoring arrangement 56 of the bearing sleeves 34 penetrates into the bearing bushes 26, 28, in particular because the bearing bushes 26, 28 of a softer material (for example, aluminum) than the metal back of the bearing sleeves 34 (for example steel) consists.
  • the groove arrangement 56 is thus an increased positive, non-positive and / or frictional connection between the bearing sleeves 34 and the bearing bushes 26, 28 as in the above-described prior art.
  • the scoring arrangement 56 additionally counteracts forces in the circumferential direction and in the axial direction.
  • the groove arrangement 56 is introduced in FIG. 2 in a limited area of the outer lateral surface 52 of the bearing sleeves 34. In the mounted state of the bearing sleeves 34, the groove arrangement 56 is arranged in the highly loaded region of the bearing bushes 26, 28. This is located at an external gear pump approximately on the suction side in the low pressure region of the gears 12, 14th
  • the bearing sleeves 34 are made for example of a metal strip. This is provided in a first step with the groove assembly 56, for example by a sizing file and then cut. The cut sheet metal parts are then rolled into the shape of the bearing sleeve 34.
  • the scoring arrangement 56 can be introduced over the entire area of the outer lateral surface 52 of the bearing sleeves 34.
  • a bearing sleeve for a gear machine with an inner circumferential surface as a sliding surface and an outer circumferential surface as a holding surface for insertion into a bearing receptacle.
  • a scoring arrangement is introduced into the outer circumferential surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

L'invention concerne une douille-palier pour une machine à engrenages, comprenant une surface d'enveloppe intérieure servant de surface de glissement et une surface d'enveloppe extérieure servant de surface de maintien, destinée à être introduite dans un logement de palier. Afin d'améliorer l'ajustement du palier, un ensemble rainuré est introduit dans la surface d'enveloppe extérieure.
PCT/EP2010/001823 2009-04-08 2010-03-24 Douille-palier, machine à engrenages et procédé pour produire une douille-palier WO2010115518A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009016915.6 2009-04-08
DE102009016915A DE102009016915A1 (de) 2009-04-08 2009-04-08 Lagerhülse, Zahnradmaschine und Verfahren zum Herstellen einer Lagerhülse

Publications (2)

Publication Number Publication Date
WO2010115518A2 true WO2010115518A2 (fr) 2010-10-14
WO2010115518A3 WO2010115518A3 (fr) 2011-06-16

Family

ID=42733225

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/001823 WO2010115518A2 (fr) 2009-04-08 2010-03-24 Douille-palier, machine à engrenages et procédé pour produire une douille-palier

Country Status (2)

Country Link
DE (1) DE102009016915A1 (fr)
WO (1) WO2010115518A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016157126A1 (fr) * 2015-04-01 2016-10-06 Settima Meccanica S.R.L. Machine de type volumétrique à engrenages

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601647A1 (de) 1975-01-20 1976-07-22 Garlock Inc Lagermasse, gleitlager und verfahren zu deren herstellung
EP0683807B1 (fr) 1993-02-09 1997-10-01 T&N TECHNOLOGY LIMITED Paliers lisses
DE19924057A1 (de) 1999-05-26 2000-11-30 Bosch Gmbh Robert Zahnradmaschine (Pumpe oder Motor)
DE102006021815A1 (de) 2006-05-10 2007-11-15 Robert Bosch Gmbh Hydraulische Zahnradmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232409B (de) * 1959-05-06 1967-01-12 Paul Hess Mittels axialer Kerbnuten in der Arbeitsstellung zu befestigende Gleitlagerbuchse
DE3328509C1 (de) * 1983-08-06 1985-04-11 Glyco-Metall-Werke Daelen & Loos Gmbh, 6200 Wiesbaden Gleitlageranordnung
JP3070815B2 (ja) * 1993-09-03 2000-07-31 トヨタ自動車株式会社 すべり軸受構造
JPH10159853A (ja) * 1996-12-03 1998-06-16 Taiho Kogyo Co Ltd 耐フレッティング損傷性に優れた摺動部材、支持部材及びこれらの組合せ
JP2002048124A (ja) * 2000-08-03 2002-02-15 Honda Motor Co Ltd 内燃機関用連接棒
DE10325910C5 (de) * 2002-08-02 2017-01-26 Mauser-Werke Oberndorf Maschinenbau Gmbh Verfahren zur Einbringung von Strukturen in Anlageflächen, Vorrichtung zum Einbringen derartiger Strukturen und kraftschlüssig verbundene Körper
ES2241944T3 (es) * 2002-11-16 2005-11-01 GEHRING GMBH & CO. KG Biela y procedimiento para su fabricacion.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601647A1 (de) 1975-01-20 1976-07-22 Garlock Inc Lagermasse, gleitlager und verfahren zu deren herstellung
EP0683807B1 (fr) 1993-02-09 1997-10-01 T&N TECHNOLOGY LIMITED Paliers lisses
DE19924057A1 (de) 1999-05-26 2000-11-30 Bosch Gmbh Robert Zahnradmaschine (Pumpe oder Motor)
DE102006021815A1 (de) 2006-05-10 2007-11-15 Robert Bosch Gmbh Hydraulische Zahnradmaschine

Also Published As

Publication number Publication date
DE102009016915A1 (de) 2010-10-14
WO2010115518A3 (fr) 2011-06-16

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