EP2989293A1 - Gleitstein für eine kurbelschlaufen-hubkolbenmaschine - Google Patents
Gleitstein für eine kurbelschlaufen-hubkolbenmaschineInfo
- Publication number
- EP2989293A1 EP2989293A1 EP14721908.3A EP14721908A EP2989293A1 EP 2989293 A1 EP2989293 A1 EP 2989293A1 EP 14721908 A EP14721908 A EP 14721908A EP 2989293 A1 EP2989293 A1 EP 2989293A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sliding
- sliding block
- block according
- gap
- lubricant
- 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.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 claims abstract description 57
- 230000004888 barrier function Effects 0.000 claims description 14
- 239000003921 oil Substances 0.000 description 37
- 230000003068 static effect Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001195 anabolic effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00
- F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft
- F01B9/023—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft of Bourke-type or Scotch yoke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00
- F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft
- F01B9/026—Rigid connections between piston and rod; Oscillating pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
Definitions
- the invention relates to a sliding block for a Kurbelschlau ⁇ fen reciprocating engine according to the preamble of claim 1.
- crank loop motor with a sliding block, which is slidably mounted in a crank loop.
- the sliding block has sliding sides, which interact with a sliding track of the crank loop.
- the sliding faces have a groove-like channel structure, wherein pressurized oil litz ⁇ Rende channels for filling the grooves are provided with oil.
- JP 2004 293320A a multi-cylinder compressor in crank loop design is known.
- this compressor which is characterized in particular by a very short stroke slideways are resiliently mounted in the crank loop.
- the oil supply for the sliding mating on the crank webs / sliding blocks takes place via the crank loop.
- Such an oil supply of this pairing is cumbersome and at least for reciprocating engines in crank loops that work as Verbrennungsmo ⁇ tor unsuitable.
- a pressurized oil supply as disclosed in JP 2004 293320A is unsuitable for reciprocating engines having a longer stroke.
- a sliding block for a reciprocating engine in the design of a crank loom machine is known in which via pressure oil channels, the sliding mating between the sliding block and the slide of the crank loop from Gleitstein ago supplied with pressure oil.
- Such a generic sliding block has proven itself, however, especially in continuous operation by dynamic tilting of the sliding block in ⁇ within the crank loop still unwanted wear appear on the sliding side of the sliding block and / or the slide of the crank loop.
- the object of the invention is to provide a sliding block for a crank-type reciprocating engine, are further minimized in the wear ⁇ phenomena on a sliding pair between sliding block and a slideway of the crank.
- Another object of the invention is a sliding block suits ⁇ ben, which is capable of tolerances involved in the parallelism of the guideways crank loop, to compensate for possible without increasing the wear.
- a lubricant pad which forms between the sliding plate and the slide of the crank by the oscillating movement of the sliding plate relative to Sliding track of the crank loop is a dynamically forming lubricant film.
- the lubricant cushion which forms between the sliding plate and the main body of the sliding block is thereby a lubricant cushion forming on account of static lubricant pressure of a lubricant pump of the crank-belt reciprocating piston engine.
- the sliding ⁇ plate is fixed in a sliding direction with respect to the Gleitstein- basic body and thus moves with the Gleitstein- base body.
- the Gleitplat ⁇ te is floating relative to the main body of the sliding gela ⁇ siege.
- Suitable lubricants are, in particular, oils or, for example, parts to be lubricated made of ceramic materials, water or water-oil emulsions into consideration. Also, solid state Lubricants such as M0S 2 are preferably used together with a fluid. Depending on the material properties of the partners to be lubricated, therefore, all suitable types of fluids can be used.
- the gap between the sliding plate and the main body of the sliding ⁇ stone at least partially peripherally surrounding a barrier for obstructing the lubricant outlet from the gap is provided.
- the barrier may be at least one web which extends away from the gap by at least one slide plate. Or it can be a bridge that extends away from the main body of the sliding block covering the gap.
- the barrier can be present at full circumference and thus acts in the manner of a labyrinth seal for optionally emerging from the static lubricant pad lubricant, whereby the lubricant outlet is effectively hindered and si ⁇ cherines that between the Gleitsteingrund stresses and the sliding plate a sufficient lubricant cushion is present.
- the barrier is also used to hold the at least one slide in a sliding direction with respect to the body in a form-fitting manner.
- the slide plate supported with respect to the GleitSteingrund stresses ⁇ means of webs, so it is possible the sliding plate in a Direction perpendicular to a plane of the sliding plate of the crank ⁇ bend with respect to the body to store floating so ⁇ that it is ensured that both between the base ⁇ body and the sliding plate a static lubricant pad as well as between the sliding plate and the corresponding slideway of a crank dynamic lubricant pad (lubricant film) can form.
- the base body at least one leading in operation under pressure lubricant channel, so that communicates with the gap.
- lubricant sliding plate For forwarding of the introduced into the gap through the channel lubricant sliding plate advantageously may ⁇ least a lubricant passage opening comprise lubricant can be conducted through which in operation in a second gap between the sliding track of the crank loop and the sliding plate.
- both the lubricant cushion between the sliding plate and the Gleitstein ground stresses as well as the lubricant film between the sliding plate and the sliding track of the crank loop can be supplied with lubricant from reaching ⁇ means of a central lubricant supply of the sliding block on the crank pin of a crankshaft.
- a lubricant passage opening are aligned with the channel, so that lubricant can pass directly from the channel through the lubricant passage opening in the second gap between the sliding plate and the slide of the crank loop.
- further channels in the main body of the sliding block may be present, which promote lubricant in the first gap between the Gleitstein groundMech and the sliding plate to build the static lubricant pad.
- the depressions may, for example, be dome-shaped or round depressions and have a depth of approximately 0.05 to 0.1 mm. It is convenient to the area fraction of Vertiefun ⁇ gen no greater than 50%, preferably 20% -40% to choose the base of the sliding side.
- the emergency running properties can also be improved, in particular, by the fact that the lines formed from the depressions enclose an angle with respect to the sliding direction, the angle expediently being 3 ° to 20 °, in particular between 5 ° to 15 °.
- depressions has proven to provide the sliding side of the sliding plate with a plurality of noppenarti ⁇ gene elevations, which are arranged linearly in a longitudinal direction of the slide plate.
- the lines formed by the elevations may also include an angle to the sliding direction, which, as mentioned above, may be between 3 ° and 20 °, in particular between 5 ° and 15 °.
- the bearing surface portion of the ridges amounts to min ⁇ least 50%, preferably 60% -80% of the surface of the sliding side. It has also been proven to arrange adjacent lines of Ver ⁇ recesses or elevations offset from one another.
- a particular embodiment of the invention can be provided for the positive fixing of the sliding plates relative to the main body end face holding webs, so that the sliding plate is forcibly moved with the main body of the sliding block.
- pins or other suitable fastening ge ⁇ means may be provided to ensure on the one hand a co-moving the slide plate with the basic body of the sliding block and on the other hand, a floating storage ⁇ perpendicular to the plane of the slide plate and the slide ermögli ⁇ chen.
- FIG. 1 shows a perspective view of a first embodiment of the sliding block according to the invention, in which a sliding plate is mounted (floatingly mounted) on the base body of the sliding block;
- Figure 2 the main body and the sliding plate of the sliding block according to Figure 2 in disassembled state;
- Figure 3 a schematic representation of a second embodiment of the sliding block according to the invention in a perspective view
- Figure 4 a plan view of a sliding side of a sliding plate in a schematic enlarged view (detail).
- an oil is used as the lubricant.
- the embodiments are not limited to oil as a lubricant. Rather, as explained above, all suitable lubricants can be used.
- a first embodiment of the sliding block according to the invention has a main body 1, which in the exemplary embodiment consists of a first main body half 1 'and a second main body half 2'.
- the base body 1 has a receiving opening 3 for a crank pin of a crankshaft of a crank-type reciprocating piston engine.
- Inside the receiving opening 3 on ⁇ several channels 4 are at least one, preferably provided (not shown) with a crank in operation of a slide of a loop (not shown) facing corresponding Be ⁇ ten Design 5 and exiting on this.
- each slide plates 6 are associated, which are connected with respect to a sliding direction 7 with respect to the main body 1 form-fitting with the base body 1 and in a direction perpendicular to the sliding direction 7 (double arrow 8) in particular perpendicular to the plane of the sliding ⁇ plate 6 with respect of the main body 1 floating, that is displaceably mounted.
- the first gap 9 serves to provide space for a first oil cushion (static oil cushion) for pressurized oil, which passes through the channels 4 into the gap 9.
- the base body 1 To receive the webs 10 (FIG. 2) of the sliding plate 6, the base body 1 has pocket-like recesses 11.
- the pocket-shaped recesses 11 are such that the webs 10 are seated in the sliding direction 7 in the pocket-like recesses without play or almost without play be supported with web edges 10a at corresponding edges IIa of the pocket-shaped recess.
- the webs 10 are slidably guided in the pocket-shaped recesses 11, so that is caused by building an oil pressure that pressure oil passes through at least one channel 4 in the gap 9 between the sliding plate 6 and the base body 1 of the sliding block.
- the base body 1 has webs 10 which engage in corresponding recesses 14 of the sliding plate 6 ⁇ .
- the webs 10 of the main body act in this exemplary embodiment also as a barrier for an oil film, or in the first gap 9 between the sliding plate 6 and the Main body 1 located pressure oil.
- the pressure oil passes as in the first embodiment has a plurality of channels 4 9 into the gap in the embodiment according to FIG 3 korres ⁇ pondiert the central channel 4 with the oil passage opening 12 of the sliding plate 6, so that it is ensured that pressure oil in the second gap between the Sliding side 13 of Gleitplat ⁇ te 6 and the slide (not darg Hor) a crank loop (not shown) can get.
- the line 16 may include an angle relative to a sliding direction 7.
- the angle may expediently be between 3 ° and 20 °, in particular 5 ° and 15 °. In this way, it is ensured that in the sliding direction 7 successive recesses / elevations 15 seen in the sliding direction 7 also have a small offset, whereby the ⁇ ltaschen- or ⁇ lpolster Strukturen for emergency operation is improved.
- the sliding plates 6 has the sliding side elevations 15, which are arranged in the sliding Rich ⁇ tion 7 in rows. In each case two adjacent rows Rl and R2 are arranged offset to one another in the sliding direction 7. Vertie ⁇ fungen 15 a are arranged between the elevations 15, wherein each two in a Gleitplat- th transverse direction 17 in alignment adjacent to each other ⁇ th arranged elevations 15 and two each in one of the rows Rl or R2 in the sliding direction 7 arranged inwardly adjacent elevations 15 defines a region B of the sliding side 13 of the sliding plates 6, in the center Z of which the maximum recess 15a is arranged relative to the elevations 15. In the example according to FIG. 4, the area is approximately diamond-shaped. The depth dimension between the zenith of an elevation 15 and the lowest point of a depression 15a is 0.05 mm to 0.1 mm.
- the diameter of the elevations at their highest point (d) is approximately 2 mm to 3 mm, in particular 2.5 mm.
- the distances A of two knobs of a row Rl or R2 are preferably about 2 mm.
- the distance B of two adjacent rows Rl and R2 to each other is, preferably about 1.5 mm to 2.2 mm, in particular 2.0 mm.
- a surface structure as shown in Figure 4 can be achieved, for example by chip-removing machining ⁇ processing, but this is relatively complex. For larger quantities, for example, in a series production offers the embossing or otherwise Kaltum ⁇ forms at the specified dimensions and depths of indentations if necessary.
- Such a surface of the sliding side of the sliding ⁇ plates 6 has proven to be particularly stable and resistant ⁇ hig also in cold running conditions.
- the inventive sliding block it is particularly advantageous that by the provision of two oil cushion, that is, a first oil pad (static oil cushion) in the first gap 9 Zvi ⁇ rule of the slide plate 6 and the main body 1 of the slider and a dynamically anabolic operating oil cushion between the Sliding side 13 and the slide of a Kurbelschlau ⁇ fe, wear, which is caused by tilting movements of the sliding block in operation, can be prevented.
- a first oil pad static oil cushion
- a dynamically anabolic operating oil cushion between the Sliding side 13 and the slide of a Kurbelschlau ⁇ fe wear, which is caused by tilting movements of the sliding block in operation, can be prevented.
- this relates to end-side end portions of the sliding plates 6, which are shown in Figure 3 schematically with the capital letters A and B.
- the oil leakage behavior from the gap 9 in operation can according to the invention by the provision of barriers, the gap 9 circumferentially set at least partially covering or predetermined. It has been found to be expedient to dispense with marginally arranged barriers (webs 10) in the region of the wear areas A, B, so that it is precisely there due to tilting movements as oil pad in the gap 9 that it can adapt relatively quickly in terms of its thickness. This is achieved, for example, by the fact that the webs 10 are completely omitted in these areas A and B or, for example, are only of low height or extend only over partial areas, so that between the webs are present over which the oil can escape from the gap 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013106755.7A DE102013106755A1 (de) | 2013-06-27 | 2013-06-27 | Gleitstein für eine Kurbelschlaufen-Hubkolbenmaschine |
| PCT/EP2014/059474 WO2014206621A1 (de) | 2013-06-27 | 2014-05-08 | Gleitstein für eine kurbelschlaufen-hubkolbenmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2989293A1 true EP2989293A1 (de) | 2016-03-02 |
| EP2989293B1 EP2989293B1 (de) | 2017-04-12 |
Family
ID=50678216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14721908.3A Not-in-force EP2989293B1 (de) | 2013-06-27 | 2014-05-08 | Gleitstein für eine kurbelschlaufen-hubkolbenmaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9995141B2 (de) |
| EP (1) | EP2989293B1 (de) |
| CN (1) | CN105324552B (de) |
| CA (1) | CA2914737A1 (de) |
| DE (1) | DE102013106755A1 (de) |
| WO (1) | WO2014206621A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021006855A1 (ru) * | 2019-07-05 | 2021-01-14 | ГАЛЕЦКИЙ, Анатолий Юрьевич | Двигатель с кривошипно-ползунковым механизмом |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4013048A (en) | 1975-12-12 | 1977-03-22 | Reitz Daniel M | Bourke type engine |
| DE3218339A1 (de) | 1982-05-14 | 1983-11-24 | Ficht GmbH, 8011 Kirchseeon | Kurbelschleifenanordnung fuer eine brennkraftmaschine mit mindestens zwei einander gegenueberliegenden zylindern |
| US4485768A (en) * | 1983-09-09 | 1984-12-04 | Heniges William B | Scotch yoke engine with variable stroke and compression ratio |
| GB8608237D0 (en) * | 1986-04-04 | 1986-05-08 | Collins Motor Corp Ltd | Reciprocatory positive displacement machines |
| GB8712645D0 (en) * | 1987-05-29 | 1987-07-01 | Collins Motor Corp Ltd | Interconnecting rotary & reciprocatory motion |
| DE8913971U1 (de) * | 1989-11-27 | 1991-03-28 | Ficht GmbH, 8011 Kirchseeon | Kurbelschleifenrahmen für einen Kurbelschleifentrieb einer Brennkraftmaschine |
| AU642718B2 (en) * | 1990-02-21 | 1993-10-28 | Collins Motor Corporation Limited | Interconnecting rotary and reciprocating motion |
| DE4035562A1 (de) * | 1990-11-08 | 1992-05-14 | Zikeli Friedrich Dipl Ing Th | Kolbenkreuzschubschleife und kurbelkulisse fuer das hubkolbenmaschinen triebwerk (kurbelschleifengetriebe) |
| DE4042425C2 (de) * | 1990-11-08 | 1993-12-23 | Zikeli Friedrich Dipl Ing Th | Kurbelschleifengetriebe für einen Boxermotor mit Schwungmasse und zusätzlichem Energieschwungakkumulator |
| GB9117975D0 (en) * | 1991-08-20 | 1991-10-09 | Collins Motor Corp Ltd | Interconnecting rotary and reciprocating motion |
| CN1110371A (zh) * | 1994-01-06 | 1995-10-18 | 吴云安 | 直线运动连杆内燃机 |
| JPH10274155A (ja) * | 1997-03-27 | 1998-10-13 | Sanyo Electric Co Ltd | 多段圧縮装置 |
| DE19913889B4 (de) | 1999-03-26 | 2010-01-21 | Reinhold Ficht | Hubkolbenmaschine |
| DE19915219C2 (de) * | 1999-04-03 | 2003-12-24 | Helmut Heuer | Kolben-Motor oder Kompressor |
| JP2004211859A (ja) * | 2003-01-08 | 2004-07-29 | Taiho Kogyo Co Ltd | すべり軸受 |
| JP2004293320A (ja) | 2003-03-25 | 2004-10-21 | Sanyo Electric Co Ltd | 多気筒圧縮機のスコッチヨーク機構 |
| CN101059151A (zh) * | 2007-06-01 | 2007-10-24 | 西南石油大学 | 旋转机械用具有强制润滑功能的浮动滑动轴承 |
| GB0710852D0 (en) * | 2007-06-06 | 2007-07-18 | Cox Powertrain Ltd | Internal combustion engines |
-
2013
- 2013-06-27 DE DE102013106755.7A patent/DE102013106755A1/de not_active Withdrawn
-
2014
- 2014-05-08 US US14/898,191 patent/US9995141B2/en not_active Expired - Fee Related
- 2014-05-08 CN CN201480033943.2A patent/CN105324552B/zh not_active Expired - Fee Related
- 2014-05-08 WO PCT/EP2014/059474 patent/WO2014206621A1/de not_active Ceased
- 2014-05-08 CA CA2914737A patent/CA2914737A1/en not_active Abandoned
- 2014-05-08 EP EP14721908.3A patent/EP2989293B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014206621A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160130945A1 (en) | 2016-05-12 |
| CN105324552B (zh) | 2018-08-10 |
| US9995141B2 (en) | 2018-06-12 |
| CA2914737A1 (en) | 2014-12-31 |
| CN105324552A (zh) | 2016-02-10 |
| WO2014206621A1 (de) | 2014-12-31 |
| HK1222423A1 (zh) | 2017-06-30 |
| EP2989293B1 (de) | 2017-04-12 |
| DE102013106755A1 (de) | 2014-12-31 |
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