WO1999030032A1 - Axialkolbenmaschine - Google Patents
Axialkolbenmaschine Download PDFInfo
- Publication number
- WO1999030032A1 WO1999030032A1 PCT/IB1998/001941 IB9801941W WO9930032A1 WO 1999030032 A1 WO1999030032 A1 WO 1999030032A1 IB 9801941 W IB9801941 W IB 9801941W WO 9930032 A1 WO9930032 A1 WO 9930032A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sliding
- axial piston
- hold
- sliding material
- 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.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
- F04B1/124—Pistons
- F04B1/126—Piston shoe retaining 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/049—Lead
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/0493—Tin
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/12—Coating
Definitions
- the invention relates to an axial piston machine according to the preamble of
- Axial piston machines of the type mentioned are z. B. known from DE-A1 -2 356 798 and EP-A1 -0 785 359.
- a helical spring mounted on the cylinder drum presses the shaft ring against the hold-down plate in order to prevent the sliding shoes mounted in recesses of this hold-down plate from lifting off the swash plate during machine operation.
- Various measures have been taken to counter the large frictional forces that occur on the one hand between the piston ends and the bearing cups and on the other hand between the sliding shoes and the swash plate.
- the invention has for its object to develop the generic axial piston machine without undue design effort so that the frictional forces are significantly minimized.
- the invention is implemented in any case when it is an axial piston machine with a regularly annular disk made of hard metal, for. B. made of steel, which has a central circular opening, around which a plurality of circular openings are arranged for the sliding shoes.
- the inner contour of the central opening is preferably frustoconical and approximately complementary to the outer surface of the shaft ring.
- At least the central bearing point of the hold-down ring and / or the bearing pans and / or the end faces of the sliding shoes are lined with sliding material, preferably a special sliding material.
- the hold-down ring is therefore lined with sliding material at these bearing points in a single operation.
- the sliding surfaces of the drum cylinders and the sliding surface of the cylinder drum end face are lined with sliding material. It is also provided that the sliding material lining of the hold-down ring underside, which has the bearing position with the sliding shoes, is full-surface.
- a particularly expedient embodiment of the invention provides that the sliding material of the hold-down ring contains 9 to 11% Sn, 8 to 11% Pb, 0.2 to 1.5% Ni, 0.1 to 0.3% Fe, 0, 2 to 0.8% Zn, 0.1 to 0.5% Cd, 0.01 to 0.02% Al. This measure proposes and uses a sliding material that optimally minimizes the friction in hold-down rings.
- a further expedient embodiment provides that the sliding material for the drum cylinders 0.5 to 0.9% Pb, 1.00 to 1.8% Sn, 0.1 to 0.3% Zn, 1.4 to 1.9 % Ni, 0.1 to 0.6% Fe, 0.005 to 0.002% Al, 0.1 to 0.3% Mn. This measure proposes a sliding material that optimally minimizes the friction in the drum cylinder.
- a further expedient embodiment of the invention provides that the sliding material for pistons or cylinder drum faces 5 to 15% Sn, 5 to 15% Pb, 0.1 to 1.4% Ni, 0.1 to 0.3% Fe, 0.3 to 0.8% Zn, 0.1 to 0.5% Sb, 0.005 to 0.03% Al.
- Fig. 2 shows an enlarged cross section through the hold-down ring
- FIG. 3 shows an enlarged cross section through a sliding block of FIG.
- Fig. 4 shows a reduced cross section through the cylinder drum
- FIG. 1 Only the essential internal parts of the axial piston machine according to the invention are shown in FIG. 1. The housing and other control devices have been omitted.
- a machine shaft 1 is supported by means of a bearing 2 in a control plate 3 and a bearing 4 in the housing (not shown).
- the bearings 2, 4 are preferably designed as roller bearings.
- a cylinder drum 5 rests with its one end against the control plate 3. This cylinder drum 5 is axially displaceable on the machine shaft 1 but is held radially immovably.
- Several, for example nine, cylinders are formed in this cylinder drum, of which in Fig. 1 only the cylinder 6 is shown, a piston, such as the pistons 7, 8, being arranged displaceably in each cylinder.
- Each piston 7, 8 is supported against a slide shoe 9, 10, which according to FIG. 3 is formed from a slide shoe plate 1 1 and an integrated slide shoe neck 1 2.
- the bearings 2, 4 are preferably designed as roller bearings.
- a cylinder drum 5 rests with its one
- Sliding shoes 9, 10 lie with their end faces against a swash plate 13 which is operatively connected to an adjustable carrier 14.
- a compression spring 15 pushed onto the machine shaft 1 is supported on the one hand against the cylinder drum 5 and on the other hand against the bottom of an annular recess in a shaft ring 16. This wave ring 1 6 is on the
- Machine shaft 1 is slidably mounted and has an outwardly curved spherical cap-shaped outer surface 1 7. This outer surface 1 7 engages in a correspondingly shaped inner surface of a hold-down ring 1 8.
- the hold-down ring 1 8 has a continuous opening 1 9 for each slide shoe 9, 10, as is particularly shown in FIG. 2.
- the hold-down ring 1 8 is supported on its side facing the carrier 14 on the ring surfaces 11 ′ of the sliding shoe plates 11 facing away from the swash plate 13 and presses the sliding shoes 9, 10 against the swash plate 13.
- the sliding shoe neck 12 is dimensioned in such a way that that its cylindrical outer surface 1 2 'with the cylindrical inner surface 19' of the opening 1 9 closes positively.
- the hold-down ring 1 8 (FIG.
- Elements has: 9.5-10.5% Sn, 8.3-10.5% Pb, 0.32-1.1% Ni, 0.2% Fe, 0.6% Zn, 0.32% Cb and 0.01 5% AI.
- the sliding material is preferably applied using the powder coating method.
- the bearing pan 25 is also provided with a sliding material lining 26, the sliding shoe end face 27 with a sliding material lining 28 and according to FIG. 4 the inner sliding surface 29 of the cylinders 6 with a sliding material lining 30 and the sliding surface 31 contacting the control plate 3 with a sliding material lining 32 .
- the sliding material for the cylinders consists of an alloy that comprises the following elements: 0.8% Pb,
- the sliding material of the piston or the end of the cylinder drum consists of an alloy that comprises the following elements: 9.5 - 1 1, 5% Sn, 8.6 - 1 1, 5% Pb, 0.3 - 1, 1% Ni, 0 , 2% Fe, 0.5% Zn, 0.32% Sb and 0.01 5% AI.
- These linings can also be produced using the powder coating process, so that only one operation is required for all linings. The wear of the components involved in the power transmission is thus effectively counteracted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Sliding-Contact Bearings (AREA)
- Electroplating Methods And Accessories (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000524580A JP2002500307A (ja) | 1997-12-10 | 1998-12-07 | アキシャルピストン機械 |
| PL98340793A PL340793A1 (en) | 1997-12-10 | 1998-12-07 | Multiple-piston machine |
| BR9813460-4A BR9813460A (pt) | 1997-12-10 | 1998-12-07 | Motor de pistão axial |
| AU12547/99A AU1254799A (en) | 1997-12-10 | 1998-12-07 | Axial piston engine |
| EP98955834A EP1038104A1 (de) | 1997-12-10 | 1998-12-07 | Axialkolbenmaschine |
| SK864-2000A SK8642000A3 (en) | 1997-12-10 | 1998-12-07 | Axial piston engine |
| KR1020007006360A KR20010033008A (ko) | 1997-12-10 | 1998-12-07 | 축방향 피스톤 엔진 |
| US09/527,936 US6425314B1 (en) | 1997-12-10 | 2000-03-16 | Axial piston engine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19754593.9 | 1997-12-10 | ||
| DE19754593A DE19754593A1 (de) | 1997-12-10 | 1997-12-10 | Niederhaltering für Axialkolbenmaschinen |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/527,936 Continuation US6425314B1 (en) | 1997-12-10 | 2000-03-16 | Axial piston engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999030032A1 true WO1999030032A1 (de) | 1999-06-17 |
Family
ID=7851247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB1998/001941 Ceased WO1999030032A1 (de) | 1997-12-10 | 1998-12-07 | Axialkolbenmaschine |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6425314B1 (de) |
| EP (1) | EP1038104A1 (de) |
| JP (1) | JP2002500307A (de) |
| KR (1) | KR20010033008A (de) |
| CN (1) | CN1281533A (de) |
| AU (1) | AU1254799A (de) |
| BR (1) | BR9813460A (de) |
| CZ (1) | CZ20001991A3 (de) |
| DE (1) | DE19754593A1 (de) |
| PL (1) | PL340793A1 (de) |
| SK (1) | SK8642000A3 (de) |
| WO (1) | WO1999030032A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10235813B4 (de) * | 2002-08-05 | 2004-07-22 | Brueninghaus Hydromatik Gmbh | Gleitschuh und Verfahren zum Herstellen von erhabenen Anlageflächen eines Gleitschuhs |
| DE102006046128A1 (de) * | 2006-06-02 | 2007-12-06 | Brueninghaus Hydromatik Gmbh | Axialkolbenmaschine mit hydrostatischer Auflage des Niederhalters |
| US7428862B2 (en) * | 2006-12-08 | 2008-09-30 | Honeywell International Inc. | Cladded axial motor/pump piston and method of producing same |
| JP2011032883A (ja) * | 2009-07-30 | 2011-02-17 | Hitachi Constr Mach Co Ltd | 斜板式液圧回転機 |
| DE102011108960A1 (de) * | 2011-07-29 | 2013-01-31 | Robert Bosch Gmbh | Gleitschuh für einen Kolben einer hydraulischen Kolbenmaschine |
| WO2015056315A1 (ja) * | 2013-10-16 | 2015-04-23 | 株式会社小松製作所 | 摺動部品、摺動部品の製造方法および摺動部品の製造装置 |
| JP6275502B2 (ja) * | 2014-02-12 | 2018-02-07 | 川崎重工業株式会社 | 液圧回転装置のシューおよび液圧回転装置 |
| DE102014209892A1 (de) * | 2014-05-23 | 2015-11-26 | Mahle International Gmbh | Axialkolbenmaschine |
| KR101859601B1 (ko) | 2014-08-29 | 2018-05-18 | 가부시키가이샤 고마쓰 세이사쿠쇼 | 금속 부재의 제조 장치 |
| DE102015204367A1 (de) * | 2015-03-11 | 2016-09-15 | Mahle International Gmbh | Axialkolbenmaschine |
| WO2016166839A1 (ja) | 2015-04-15 | 2016-10-20 | 株式会社小松製作所 | 摺動部品およびその製造方法 |
| DE102018205446A1 (de) * | 2018-04-11 | 2019-10-17 | Robert Bosch Gmbh | Hydrostatische Axialkolbenmaschine |
| JP7186606B2 (ja) * | 2018-12-27 | 2022-12-09 | 日立建機株式会社 | 斜板式液圧回転機械 |
| ES2981789T3 (es) * | 2022-03-02 | 2024-10-10 | Danfoss As | Pistón de una máquina de pistón hidráulico |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356798A1 (de) | 1973-11-14 | 1975-05-15 | Bosch Gmbh Robert | Gleitschuh fuer hydrostatische kolbenmaschinen |
| DE3627652A1 (de) | 1985-08-16 | 1987-03-05 | Toyoda Automatic Loom Works | Gleitschuh fuer einen taumelscheibenkompressor |
| DE4301123A1 (de) * | 1993-01-18 | 1994-07-21 | Danfoss As | Hydraulische Maschine und Verfahren zum Zusammenbau einer Kolben-Gleitschuh-Einheit |
| DE4424670A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Kolbenmaschine |
| DE4424609A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Axialkolbenmaschine |
| DE4424672A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Kolben-Gleitschuh-Anordnung |
| DE4424610A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Kolbenmaschine |
| WO1996036745A1 (en) * | 1995-05-17 | 1996-11-21 | Taiho Kogyo Co., Ltd. | Swash plate of swash-plate compressor and combination of swash plate with shoes |
| EP0785359A1 (de) | 1996-01-18 | 1997-07-23 | Brueninghaus Hydromatik Gmbh | Gewichtsoptimierter, mehrteiliger Gleitschuh |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE442478C (de) | 1926-03-19 | 1927-04-02 | Anton Nahr | Wirbel fuer Saiteninstrumente |
| US3550233A (en) * | 1968-05-08 | 1970-12-29 | Lucas Industries Ltd | Methods of making rotors for piston type hydraulic pumps and motors |
| DE1932242A1 (de) * | 1969-06-25 | 1971-01-07 | Hohenzollern Huettenverwalt | Lager- oder Gleitmaschinenteil und Verfahren zu dessen Herstellung |
| GB1355325A (en) * | 1971-12-27 | 1974-06-05 | Aisin Seiki | Hydraulic axial plunger pumps or motors |
| FR2385913A1 (fr) * | 1977-03-29 | 1978-10-27 | Coussinets Ste Indle | Corps de pompe ou moteur hydraulique a barillet |
| US5085127A (en) * | 1990-03-29 | 1992-02-04 | Sundstrand Corporation | Cavitation resistant hydraulic cylinder block porting faces |
| DE4424608A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Axialkolbenmaschine |
| US5943942A (en) * | 1996-11-19 | 1999-08-31 | Sundstrand Corporation | Copper-based alloy casting process |
| US5983776A (en) * | 1998-11-23 | 1999-11-16 | Sauer Inc. | Two-piece slipper with balanced running face |
-
1997
- 1997-12-10 DE DE19754593A patent/DE19754593A1/de not_active Withdrawn
-
1998
- 1998-12-07 KR KR1020007006360A patent/KR20010033008A/ko not_active Withdrawn
- 1998-12-07 EP EP98955834A patent/EP1038104A1/de not_active Withdrawn
- 1998-12-07 SK SK864-2000A patent/SK8642000A3/sk unknown
- 1998-12-07 PL PL98340793A patent/PL340793A1/xx unknown
- 1998-12-07 BR BR9813460-4A patent/BR9813460A/pt not_active Application Discontinuation
- 1998-12-07 CZ CZ20001991A patent/CZ20001991A3/cs unknown
- 1998-12-07 JP JP2000524580A patent/JP2002500307A/ja active Pending
- 1998-12-07 AU AU12547/99A patent/AU1254799A/en not_active Abandoned
- 1998-12-07 WO PCT/IB1998/001941 patent/WO1999030032A1/de not_active Ceased
- 1998-12-07 CN CN98812029A patent/CN1281533A/zh active Pending
-
2000
- 2000-03-16 US US09/527,936 patent/US6425314B1/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356798A1 (de) | 1973-11-14 | 1975-05-15 | Bosch Gmbh Robert | Gleitschuh fuer hydrostatische kolbenmaschinen |
| DE3627652A1 (de) | 1985-08-16 | 1987-03-05 | Toyoda Automatic Loom Works | Gleitschuh fuer einen taumelscheibenkompressor |
| DE4301123A1 (de) * | 1993-01-18 | 1994-07-21 | Danfoss As | Hydraulische Maschine und Verfahren zum Zusammenbau einer Kolben-Gleitschuh-Einheit |
| DE4424670A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Kolbenmaschine |
| DE4424609A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Axialkolbenmaschine |
| DE4424672A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Kolben-Gleitschuh-Anordnung |
| DE4424610A1 (de) * | 1994-07-13 | 1996-01-18 | Danfoss As | Hydraulische Kolbenmaschine |
| WO1996036745A1 (en) * | 1995-05-17 | 1996-11-21 | Taiho Kogyo Co., Ltd. | Swash plate of swash-plate compressor and combination of swash plate with shoes |
| EP0785359A1 (de) | 1996-01-18 | 1997-07-23 | Brueninghaus Hydromatik Gmbh | Gewichtsoptimierter, mehrteiliger Gleitschuh |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010033008A (ko) | 2001-04-25 |
| EP1038104A1 (de) | 2000-09-27 |
| CN1281533A (zh) | 2001-01-24 |
| US6425314B1 (en) | 2002-07-30 |
| PL340793A1 (en) | 2001-02-26 |
| SK8642000A3 (en) | 2001-01-18 |
| JP2002500307A (ja) | 2002-01-08 |
| DE19754593A1 (de) | 1999-07-01 |
| AU1254799A (en) | 1999-06-28 |
| BR9813460A (pt) | 2000-10-24 |
| CZ20001991A3 (cs) | 2001-08-15 |
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