FR2579696A1 - SUPPORT WITH A SUPPORT SYSTEM FOR THE SLIDERS OF PISTON MOTOR HOOKS - Google Patents
SUPPORT WITH A SUPPORT SYSTEM FOR THE SLIDERS OF PISTON MOTOR HOOKS Download PDFInfo
- Publication number
- FR2579696A1 FR2579696A1 FR8604376A FR8604376A FR2579696A1 FR 2579696 A1 FR2579696 A1 FR 2579696A1 FR 8604376 A FR8604376 A FR 8604376A FR 8604376 A FR8604376 A FR 8604376A FR 2579696 A1 FR2579696 A1 FR 2579696A1
- Authority
- FR
- France
- Prior art keywords
- support
- walls
- side walls
- sliders
- piston
- 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
- 238000005192 partition Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
- F16M1/02—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines
- F16M1/026—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines for housing movable engine or machine parts other than crankshafts, e.g. valve-gear housings
-
- 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
- F01B31/00—Component parts, details, or accessories not provided for in, or of interest apart from, other groups
- F01B31/26—Other component parts, details, or accessories, peculiar to steam engines
-
- 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
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0002—Cylinder arrangements
- F02F7/0007—Crankcases of engines with cylinders in line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
- F02F7/0034—Built from sheet material and welded casings
-
- 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
- F16C5/00—Crossheads; Constructions of connecting-rod heads or piston-rod connections rigid with crossheads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F2007/0097—Casings, e.g. crankcases or frames for large diesel engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Jib Cranes (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
L'INVENTION CONCERNE UN SUPPORT A SYSTEME D'APPUI POUR LES GLISSIERES DE CROSSES DE MOTEURS A PISTONS. DANS LEDIT SUPPORT, DES PAROIS FRONTALES 4, ABSORBANT LES FORCES NORMALES D'UN AXE 11 DE CROSSE, SONT SOUTENUES PAR UN PROFIL EN FORME DE CAISSON COMPRENANT DES PAROIS LATERALES 6 ET UNE PAROI EXTERNE. DANS LE SENS VERTICAL, LES PAROIS LATERALES 6 S'ETENDENT A L'OBLIQUE VERS L'EXTERIEUR, DE BAS EN HAUT, EN DIRECTION DES EXTREMITES LIBRES DES PAROIS FRONTALES 4. APPLICATION NOTAMMENT AUX DISPOSITIFS DE SUPPORT DE MOTEURS DIESEL.THE INVENTION RELATES TO A SUPPORT WITH A SUPPORT SYSTEM FOR THE SLIDES OF CROSSES OF PISTON ENGINES. IN THIS SUPPORT, FRONT WALLS 4, ABSORBING THE NORMAL FORCES OF A LOCKING PIN 11, ARE SUPPORTED BY A BOX-SHAPED PROFILE INCLUDING SIDE WALLS 6 AND AN EXTERNAL WALL. IN THE VERTICAL SENSE, THE SIDE WALLS 6 EXTEND OBLIQUE OUTWARDS, FROM THE BOTTOM UP, TOWARDS THE FREE ENDS OF THE FRONT WALLS 4. APPLICATION IN PARTICULAR TO DIESEL ENGINE SUPPORT DEVICES.
Description
La présente invention se rapporte à un support à système d'appui pour lesThe present invention relates to a support system support for
glissières de crosses de moteurs à pistons, ce support comportant, entre des tôles de fond et de recouvrement, des parois externes inclinées et des parois frontales verticales qui sont reliées les unes aux autres par l'intermédiaire de parois latérales slideways for pistons piston bearings, this support comprising inclined external walls and vertical end walls between the base and cover plates which are connected to one another via side walls
s'étendant sur toute la hauteur, lesdites parois fron- extending over the whole height, the said frontier walls
tales présentant en outre sur une partie de leur hauteur, à leurs faces antérieures tournées les unes vers les autres, des glissières par l'intermédiaire desquelles les forces normales sont transmises au support à tales having in addition to a part of their height, on their front faces facing each other, slides through which the normal forces are transmitted to the support to
partir de l'axe de la crosse de piston. from the axis of the piston butt.
Jusqu'à présent, pour absorber les forces normales So far, to absorb normal forces
devant être transmises, sur les supports, dans une di- to be transmitted on the supports in a di-
rection perpendiculaire aux glissières des crosses de pistons de moteurs à pistons,en particulier de moteurs Diesel, l'on a prévu, à la face postérieure des parois frontales, soit des nervures transversales horizontales perpendicular rection to the slideways of pistons pistons pistons, in particular diesel engines, there are provided, on the rear face of the front walls, horizontal transverse ribs
réparties sur la hauteur des glissières, soit des cloi- distributed over the height of the slides,
sons verticales de raidisserent s'étendant à angle aigu entre les extrémités des parois frontales et les parois latérales (CH-A-625 603). La pratique a révélé vertical stiffening sounds extending at an acute angle between the ends of the end walls and the side walls (CH-A-625 603). Practice has revealed
que les réalisations décrites ci-dessus sont compliquées. that the achievements described above are complicated.
De plus, le type de réalisation recherché pour un moteur à pistons doit être le plus compact possible; cela exige des distances les plus courtes possible entre cylindres. D'une manière bien connue, ces distances se présentent à leur tour comme la somme de la longueur nécessaire du palier principal, de la longueur du coussinet inférieur de la bielle et des épaisseurs des contrepoids des deux bras de manivelle. Par conséquent, pour ne pas "perdre" de la longueur du moteur, il est nécessaire de ramasser le plus possible les parois latérales en partie In addition, the type of embodiment sought for a piston engine must be as compact as possible; this requires the shortest possible distances between cylinders. In a well-known manner, these distances are in turn the sum of the necessary length of the main bearing, the length of the lower bearing of the connecting rod and the thicknesses of the counterweights of the two crank arms. Therefore, in order not to "lose" the length of the motor, it is necessary to collect as much as possible the side walls in part
basse au voisinage du vilebrequin.low in the vicinity of the crankshaft.
De ce fait, l'invention a pour objet de simplifier Therefore, the invention aims to simplify
la conception globale d'un système d'appui des glissiè- the overall design of a slider support system
res, sans impliquer d'une part d'inadmissibles déforma- without implying, on the one hand, inadmissible distortions
tions des parois frontales ni, d'autre part, la nécessi- frontal walls and, on the other hand, the need
té d'accroître la longueur du moteur. Conformément à l'invention, cet objet est atteint par le fait que les parois latérales, soutenant par paires une paroi frontale, s'étendent à l'oblique de bas en haut en direction des increase the length of the engine. According to the invention, this object is achieved by the fact that the side walls, supporting in pairs a front wall, extend obliquely from bottom to top in the direction of
extrémités de cette paroi frontale. ends of this front wall.
Il est bien connu que les forces normales agissant sur les glissières, et par conséquent sur les parois frontales, sont maximales à proximité du point mort haut It is well known that the normal forces acting on the slides, and therefore on the front walls, are maximum near the top dead center.
de la course du piston; la réalisation des parois laté- piston stroke; the realization of the side walls
rales conformément à l'invention donne naissance, dans cette région, à un caisson relativement large formé par une paroi frontale, par une paroi externe et par les deux parois latérales. Au voisinage du point mort haut, les parois frontales sont alors soutenues à proximité de leurs extrémités libres par les parois latérales, si bien que leurs déformations peuvent être maintenues According to the invention, this region gives rise to a relatively wide box formed by a front wall, an outer wall and the two side walls. In the vicinity of the top dead center, the end walls are then supported near their free ends by the side walls, so that their deformations can be maintained
dans des limites étroites.within narrow limits.
L'invention va à présent être décrite plus en dé- The invention will now be described in greater detail.
tail à titre d'exemple nullement limitatif, en regard du dessin annexé sur lequel: la figure 1 est une coupe schématique, selon la ligne I-I de la figure 2, d'un support individuel équipant un moteur Diesel; la figure 2 est une observation en plan, selon la ligne II-II de la figure 1, de deux supports du moteur voisins, entre lesquels est intercalée une crosse; et la figure 3 est une coupe selon la ligne III-III tail as an example in no way limiting, with reference to the accompanying drawing in which: Figure 1 is a schematic section along the line I-I of Figure 2, an individual support equipping a diesel engine; Figure 2 is an observation in plan, along the line II-II of Figure 1, two adjacent engine supports, between which is interposed a butt; and FIG. 3 is a section along line III-III
de la figure 2.of Figure 2.
Le support de réalisation connue, résultant par exem- The known production support, resulting for example
ple d'une solidarisation par soudage de tôles d'acier, présente des tôles de fond 2 qui forment, conjuguées bonded by welding of steel sheets, has bottom plates 2 which form, conjugated
à des parois externes inclinées 3 et à des parois fron- inclined external walls 3 and fronts
tales verticales 4, deux cadres trapézoïdaux observés en élévation. Ces cadres sont reliés l'un à l'autre par 4 vertical tales, two trapezoidal frames observed in elevation. These frames are connected to each other by
l'intermédiaire d'une tôle commune de recouvrement 5. via a common cover plate 5.
Entre les parois externes 3 et frontales 4, les cadres Between the outer walls 3 and front 4, the frames
trapézoidaux sont comblés par des parois latérales 6. trapezoidal are filled by side walls 6.
Des tirants 7, s'étendant entree ces parois latérales (figure 2), assurent avec précharge la cohésion du support avec une plaque de base 1 et avec un chemisage Tie rods 7, extending between these side walls (FIG. 2), precharge the cohesion of the support with a base plate 1 and with a liner.
cylindrique (non représenté) du moteur. cylindrical (not shown) of the engine.
Un vilebrequin 16 est monté, dans l-a plaque de base 1, à l'intérieur d'une coquille de portée 14 comprenant des moitiés supérieure et inférieure, et coiffée par A crankshaft 16 is mounted in the base plate 1 within a bearing shell 14 comprising upper and lower halves and capped by
un couvercle de palier 15.a bearing cover 15.
Comme il ressort de la figure 3, la longueur de As can be seen in Figure 3, the length of
moteur m nécessaire pour un cylindre englobe, pour l'essen- engine m necessary for a cylinder includes, for the essential
tiel, de part et d'autrev une demi-longueur h/2 du on both sides a half-length h / 2 of
palier principal (coquille 14), la longueur S d'un cous- bearing (shell 14), the length S of a neck
sinet inférieur 18 de la bielle 20, ainsi que les épais- lower section 18 of the connecting rod 20, as well as
seurs d de deux contrepoids 17 des bras de manivelle. two counterweights 17 of the crank arms.
Comme mentionné, cette longueur de moteur m nécessaire As mentioned, this engine length m needed
pour chaque cylindre doit être la plus faible possible. for each cylinder must be as low as possible.
Dans la région centrale comprise entre les parois frontales 4, les parois latérales 6 sont remplacées par une cloison médiane 8 fermée par une entretoise 9 à sa face inférieure. Comme le met en évidence la figure 2, les parois frontales 4 de deux supports forment, par leurs In the central region between the end walls 4, the side walls 6 are replaced by a median partition 8 closed by a spacer 9 at its underside. As is evident from FIG. 2, the front walls 4 of two supports form, by their
faces antérieures tournées l'une vers l'autre, des glis- faces turned towards each other, sliding
sières pour les patins 10 d'un axe 11 de crosse qui, d'une manière bien connue, est relié à la tige 12 d'un for the skids 10 of a shaft 11 of a stick which, in a well-known manner, is connected to the rod 12 of a
piston et est logé dans son carter 13. piston and is housed in its housing 13.
Conformément à l'invention, les parois latérales 6 sont espacées l'une de l'autre, en partie basse, d'une faible distance suffisant précisément pour permettre le passage des tirants 7. Elles sont agencées à l'oblique et divergent mutuellement vers le haut de manière à soutenir les parois frontales 4, à proximité des extrémités libres de ces dernières, dans la région du point mort haut de la course du piston (cette région correspondant sensiblement à la position de la crosse sur les figures 1 et 3). Les parois 3, 4 et 6 forment According to the invention, the side walls 6 are spaced from one another, in the lower part, by a small distance that is sufficient precisely to allow the passage of the tie rods 7. They are arranged obliquely and diverge mutually towards each other. the top so as to support the end walls 4, near the free ends of the latter, in the region of the top dead center of the piston stroke (this region corresponding substantially to the position of the stick in Figures 1 and 3) . The walls 3, 4 and 6 form
ainsi, dans cette région, un "caisson" relativement lar- in this region, a relatively large "box"
ge et rigide sans qu'il faille pour autant augmenter la longueur m du moteur. ge and rigid without the need to increase the length m of the motor.
Dans l'espace intermédiaire entre les parois laté- In the space between the side walls
rales 6, le "caisson" comprenant une paroi latérale 6, 6, the "box" comprising a side wall 6,
une paroi externe 3 et des parois frontales 4 est renfor- an outer wall 3 and front walls 4 is reinforced
cé par des cloisons d'entretoisement 19, de manière à accroître, dans la zone de forte charge, la rigidité de la paroi latérale présentant une superficie relativement grande. by means of spacer partitions 19, so as to increase, in the area of high load, the rigidity of the side wall having a relatively large area.
Il va de soi que de nombreuses modifications peu- It goes without saying that many modifications can
vent être apportées au support décrit et représenté, can be made to the medium described and represented,
sans sortir du cadre de l'invention. without departing from the scope of the invention.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH140285 | 1985-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2579696A1 true FR2579696A1 (en) | 1986-10-03 |
FR2579696B1 FR2579696B1 (en) | 1989-06-23 |
Family
ID=4209587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR868604376A Expired FR2579696B1 (en) | 1985-04-01 | 1986-03-26 | SUPPORT WITH A SUPPORT SYSTEM FOR PISTON ENGINE GUIDE SLIDES |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS61233213A (en) |
CN (1) | CN1004510B (en) |
DE (1) | DE3512347C1 (en) |
DK (1) | DK159575C (en) |
FR (1) | FR2579696B1 (en) |
GB (1) | GB2173279B (en) |
IT (1) | IT1188421B (en) |
NO (1) | NO162636C (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK171284B1 (en) * | 1992-11-24 | 1996-08-19 | Man B & W Diesel Gmbh | Two-stroke internal combustion engine of the crosshead type |
EP1382829B1 (en) * | 2002-07-15 | 2008-10-29 | Wärtsilä Schweiz AG | Large crosshead diesel engine |
KR101361590B1 (en) * | 2006-07-18 | 2014-02-11 | 베르트질레 슈바이츠 악티엔게젤샤프트 | A hub holder for a shaft of a reciprocating piston engine |
EP1881255A3 (en) * | 2006-07-18 | 2009-01-07 | Wärtsilä Schweiz AG | Hub holder for the shaft of a reciprocating combustion machine |
KR101419328B1 (en) | 2007-06-18 | 2014-07-14 | 베르트질레 슈바이츠 악티엔게젤샤프트 | A large crosshead diesel engine |
EP2199583A2 (en) | 2008-12-18 | 2010-06-23 | Wärtsilä Schweiz AG | Large crosshead diesel motor |
KR20100127694A (en) * | 2009-05-26 | 2010-12-06 | 베르트질레 슈바이츠 악티엔게젤샤프트 | Large crosshead diesel engine |
RU2464458C2 (en) * | 2009-11-17 | 2012-10-20 | Государственное образовательное учреждение высшего профессионального образования "Воронежский государственный технический университет" | Piston unloading device |
JP5713628B2 (en) * | 2010-11-05 | 2015-05-07 | 三菱重工業株式会社 | Frame |
JP5665488B2 (en) * | 2010-11-08 | 2015-02-04 | 三菱重工業株式会社 | Crosshead of crosshead type diesel engine |
JP5709621B2 (en) * | 2011-04-07 | 2015-04-30 | 三菱重工業株式会社 | Frame |
EP2664763A1 (en) | 2012-05-16 | 2013-11-20 | Wärtsilä Schweiz AG | Large crosshead diesel motor, support and vibration compensator for a large crosshead diesel motor |
EP2664819A1 (en) | 2012-05-16 | 2013-11-20 | Wärtsilä Schweiz AG | Large crosshead diesel motor, support and vibration compensator for a large crosshead diesel motor |
DK177740B1 (en) * | 2013-03-22 | 2014-05-19 | Man Diesel & Turbo Deutschland | Crosshead uniflow combustion engine |
CN104196870B (en) * | 2014-07-24 | 2016-10-12 | 江苏科技大学 | A kind of large-scale diesel engine crosshead assembly |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB331397A (en) * | 1929-07-11 | 1930-07-03 | Olaf Eskil Jorgensen | Improvements in or relating to the crosshead guides and the frames of internal combustion engines |
FR716613A (en) * | 1930-05-07 | 1931-12-24 | Maschf Augsburg Nuernberg Ag | Stock slide for piston machines, in particular for combustion engines |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH625603A5 (en) * | 1977-10-27 | 1981-09-30 | Sulzer Ag |
-
1985
- 1985-04-04 DE DE3512347A patent/DE3512347C1/en not_active Expired
-
1986
- 1986-03-01 CN CN86101282.8A patent/CN1004510B/en not_active Expired
- 1986-03-03 GB GB08605211A patent/GB2173279B/en not_active Expired
- 1986-03-07 DK DK106686A patent/DK159575C/en not_active IP Right Cessation
- 1986-03-07 JP JP61050266A patent/JPS61233213A/en active Granted
- 1986-03-11 IT IT19705/86A patent/IT1188421B/en active
- 1986-03-26 FR FR868604376A patent/FR2579696B1/en not_active Expired
- 1986-03-26 NO NO861246A patent/NO162636C/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB331397A (en) * | 1929-07-11 | 1930-07-03 | Olaf Eskil Jorgensen | Improvements in or relating to the crosshead guides and the frames of internal combustion engines |
FR716613A (en) * | 1930-05-07 | 1931-12-24 | Maschf Augsburg Nuernberg Ag | Stock slide for piston machines, in particular for combustion engines |
Also Published As
Publication number | Publication date |
---|---|
DK159575C (en) | 1991-04-02 |
DK159575B (en) | 1990-10-29 |
NO162636C (en) | 1990-01-24 |
DE3512347C1 (en) | 1986-10-30 |
FR2579696B1 (en) | 1989-06-23 |
JPS61233213A (en) | 1986-10-17 |
NO861246L (en) | 1986-10-02 |
GB2173279A (en) | 1986-10-08 |
CN1004510B (en) | 1989-06-14 |
DK106686A (en) | 1986-10-02 |
DK106686D0 (en) | 1986-03-07 |
NO162636B (en) | 1989-10-16 |
IT8619705A1 (en) | 1987-09-11 |
IT1188421B (en) | 1988-01-14 |
GB2173279B (en) | 1988-05-05 |
JPH0379569B2 (en) | 1991-12-19 |
IT8619705A0 (en) | 1986-03-11 |
CN86101282A (en) | 1987-01-14 |
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Date | Code | Title | Description |
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ST | Notification of lapse |