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WO2004079232A1 - Fourchette de commande comprenant un corps de base en forme de fourche constitue de tole - Google Patents

Fourchette de commande comprenant un corps de base en forme de fourche constitue de tole Download PDF

Info

Publication number
WO2004079232A1
WO2004079232A1 PCT/EP2004/001454 EP2004001454W WO2004079232A1 WO 2004079232 A1 WO2004079232 A1 WO 2004079232A1 EP 2004001454 W EP2004001454 W EP 2004001454W WO 2004079232 A1 WO2004079232 A1 WO 2004079232A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
base
base body
shift fork
end faces
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
Application number
PCT/EP2004/001454
Other languages
German (de)
English (en)
Inventor
Stephan Seuferling
Klaus Krämer
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.)
IHO Holding GmbH and Co KG
Original Assignee
INA Schaeffler KG
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 INA Schaeffler KG filed Critical INA Schaeffler KG
Publication of WO2004079232A1 publication Critical patent/WO2004079232A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • 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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • F16H2063/321—Gear shift yokes, e.g. shift forks characterised by the interface between fork body and shift rod, e.g. fixing means, bushes, cams or pins
    • 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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks
    • F16H2063/327—Gear shift yokes, e.g. shift forks essentially made of sheet metal

Definitions

  • the invention relates to a shift fork with a fork-shaped base body made of sheet metal and with a guide, the guide having an at least partially longitudinal guide hole through the guide and the shift fork being provided with a base extending at least transversely in the direction of the base body from the guide and the base body separate from the guide is attached to the guide at least via the base.
  • Shift forks made of sheet metal are becoming increasingly important, since they can be manufactured inexpensively and in a material-saving manner.
  • the basic body of the shift forks under consideration is mostly a molded part produced by cold forming of sheet metal.
  • the molded part is fork-shaped with two fork ends spaced apart from one another.
  • the guide of the considered type of shift forks has a generally cylindrical guide hole with which the guide sits on a shift rail, shift rod or on a 'similar shift element.
  • shift forks which are arranged longitudinally and partly also pivotally on the above-mentioned shift members.
  • Guides with a tight fit on one of the switching elements are provided with a hole running completely through the guide in the form of a through hole.
  • the guide hole runs only partially and therefore in the form of a blind hole.
  • the shift forks which move longitudinally on the shift members, have a through hole in the guide for a sliding fit on the shift members.
  • the through hole takes a plain bearing, for example in the execution of a sliding bush made of plastic, or a rolling bearing, for. B. with balls or rollers.
  • the guides are in any embodiments and cross sections, for. B. in the form of a hollow profile with a rectangular cross section or a hollow profile with a cylindrical inside and outside with any cross section or as a hollow cylindrical sleeve.
  • the connection between the base body made of sheet metal and the guide is made via a base.
  • the base is provided as a connecting member between the base body and the guide and / or as a stiffening member for connecting the base body to the guide.
  • the base as a connecting link provides sufficient material for the secure attachment of the base body, e.g. B. by welding, on the guide or on the base body.
  • the base is as a stiffening member, e.g. B. in the form of ribs and reinforcements. It stiffens the shift fork at the connection of the generally relatively thin-walled base body against elastic and plastic deformations from actuation forces on the shift fork.
  • shift forks in which the base is made in one piece with the base body.
  • the leadership in this application is e.g. B. in the form of a sleeve in one or two eyes of the base body and preferably welded to the base body by a ring seam on the eyes.
  • Further alternatives to a shift fork of the generic type are described in DE 101 25 098 A1.
  • DE 101 25 098 A1 first provides a shift fork in which the guide and the base are formed as a unit in one piece and separately from the base body, and then further a shift fork in which the guide, the base and the base body are each manufactured as individual parts and are then connected to one another.
  • the components of the shift forks are made of sheet metal.
  • the guide according to the prior art which is designed in one piece with the base, is formed from a sheet metal strip which is initially bent in a ring shape to form a guide. Legs of the sheet metal strip which extend from the guide are then aligned parallel to one another and, with the flat side of the sheet metal strip, lying against one another in the direction of the base body. The actual guide is closed on the circumferential side by welding at the joint gap where the legs lie against each other with the flat side. Finally, the ends of the sheet metal strip are angled from one another so that each of these legs partially overlaps the base body at the connection to the base. The base body is attached to the legs and stiffened by them. In the guide hole of the guide, a slide bush for the sliding seat of the shift fork sits on a switching element.
  • the shift fork of the prior art under consideration which is made from individual parts, has a base from two angles.
  • One leg of one of the angles lies flat against one leg of the other angle and is attached with its free end to a sleeve-shaped guide.
  • the other leg of each of the angles overlaps in one direction of the base body and is welded to the base body.
  • the legs stiffen the base body at the connection, also due to their wavy design.
  • shift forks do not prove to be stiff enough under high loads, in particular at the connection of the base body to the guide.
  • Such shift forks are often provided with additional stiffening by means of ribs, beads or the like.
  • the number of individual parts and / or the effort required to manufacture the shift forks is relatively high.
  • the shift forks must be due to positioning tolerances between the individual parts before joining and due to the heat distortion of the thin-walled sheet metal components after joining, they are laboriously aligned and adjusted to their functional dimensions.
  • the object of the invention is therefore to provide a shift fork of the type described above, in which the connection of the base body to the guide is stiffer and which can be produced simply and inexpensively.
  • the guide and the base are formed in one piece from an iron material which is at least circumferentially closed around the guide hole.
  • the iron material of the molded part has a continuous cohesion in the structure of the iron material, at least on the circumferential side of the guide hole and between the guide and the base, that is to say a structure which is homogeneous in this sense.
  • the material of such a molded part is not separated on the circumference of the guide hole and between the guide and the base by reshaping, nor is its structure interrupted or changed by remelting as a result of a welded connection.
  • the guide of the shift fork according to the invention like the guide described above, which is formed from a sheet metal strip, is produced as a one-piece unit from guide and base by forming.
  • the guide of the shift fork according to the invention has no joining gap, but is at least surrounded by homogeneous material around the guide hole.
  • the material of the guide is homogeneous in the cohesion between the guide and the base.
  • the material of the sleeve-shaped guide is high on the circumference. may be trained, but at the connection to the base z. B. interrupted by a joint gap and a weld.
  • the guide and the guide hole are preferably rotationally symmetrical about a common axis of rotation.
  • the base then protrudes from the cylindrical outer surface of the guide in a cam-like manner transversely to the axis of rotation or to the guide.
  • the guide hole either runs longitudinally through the guide or, alternatively, the guide hole extends blindly along the guide.
  • the invention further provides a guide hole that extends longitudinally through the guide.
  • the guide is preferably designed as a hollow cylinder and the base encompasses the axis of rotation at least partially on the circumference.
  • a guide z. B formed as a rectangular cross-section hollow profile.
  • the shift fork according to the invention has a guide which, in contrast to the state of the art considered, is comparatively solid.
  • the rigidity against deformation under load is increased.
  • Positioning tolerances between the guide and base no longer need to be taken into account, since the unit is made in one piece.
  • the shift fork is therefore precisely manufactured.
  • the massive design of the guide is also for the production of welded connections between the guide and other components of the shift fork, for. B. for establishing a connection with a switching arm, advantageous.
  • there is more material available for the material bond during welding there is more material available for the material bond during welding.
  • the guide absorbs a larger proportion of the amount of heat introduced during welding, so that the heat distortion on a thin sheet metal part to be welded to the guide is reduced.
  • an embodiment of the invention provides that the wall section of the hollow body, which is radially thinnest in the direction of the axis of rotation, is thicker than the sheet metal of the base body at the thinnest point.
  • the leadership is compared to the thin wall
  • the main body is solid, so that the above-mentioned advantages become particularly important if the main body is also attached to the guide in addition to the base.
  • the base protrudes from the guide in a cam-like manner transverse to the longitudinal axis of the guide.
  • the base has two end faces which are parallel to one another and face away from one another along the guide and merge into the guide.
  • the base is delimited by a surface connecting the end faces and pointing away from the guide.
  • the end faces are connected to one another by two flanks which point away from one another and merge into the guide.
  • the surface pointing away from the guide connects the end faces and the flanks with each other.
  • the shift fork according to the invention has a base which, in contrast to the prior art considered, is comparatively solid. The rigidity against deformation under load is increased because the base also functions as a stiffening element of the connection.
  • the massive design of the base is also used to create welded connections with the base body and with other components of the shift fork, e.g. B. with a switching arm, advantageous.
  • the base absorbs a larger proportion of the heat introduced during welding and away from the thin-walled sheet metal parts, in particular from the base body.
  • the heat distortion on a thin sheet metal part to be welded to the base is thus reduced.
  • the base body is attached to the base and at points on the guide which are remote from the base by welding.
  • the base body can, for example, first be tacked to the base and then welded to the guide. This measure also minimizes the heat draft due to welding in the base body, since the base body is anchored to the base and fixed in place by means of the tack seams or points before the actual weld seam is introduced.
  • An embodiment of the invention provides on a solid base that (a) the smallest distance between the end faces is at least as large as three times the thickness of the sheet metal of the base body at the thinnest point.
  • a base on a hollow cylindrical guide that the base at least partially encompasses the axis of rotation on the circumference and that the smallest distance between the flanks is at least as large as the largest outer diameter of the guide at the cohesion between the guide and the base.
  • Further configurations of the invention relate to the configurations of the base and the base body at the connection. It is provided that the surface delimiting the base and pointing away from the guide points at least partially to the base body.
  • the base engages at least partially in the base body between two ribs pointing in the direction of the guide and thereby pointing away from two fork ends of the base body spaced apart from one another.
  • the ribs face each other along the guide. In each case one of the ribs lies against or is attached to one of the end faces of the base.
  • one of the ribs is fastened to the guide on one of the end faces and additionally separately from the base, preferably by welding.
  • the guidance of the shift fork provided by the invention is a molded part which is produced in particular by the sub-groups of die forming or pushing through the process group pressure forming.
  • the invention also provides a method for producing a shift fork according to the invention.
  • the individual components of the shift fork are initially produced as individual parts, preferably by shaping and stamping.
  • the guide is manufactured together with the base from a blank by cold forming.
  • the method is preferably extrusion and again a combination of the known transverse and reverse press methods.
  • the following method steps are preferably provided for producing the guide: First, a blank is cut off from the length of an endless wire. The blank has essentially the same mass and thus the same volume as the finished guide.
  • the blank is then shaped in a combination of cup or hollow reverse extrusion presses and cross extrusion presses.
  • the base is then essentially completed.
  • the guide is then completed by backward extrusion or solid holes, whereby the guide hole is also calibrated to its final dimensions. Machining or fine machining of the guide is not necessary or only necessary in exceptional cases due to the high precision of extruded parts.
  • the method for producing the shift fork then provides for joining the previously individually manufactured individual parts, such as base body and guide, to one another in a further method step.
  • the components are preferably welded to one another, in particular laser welding or capacitor discharge welding, but also all other suitable welding methods being provided.
  • FIG. 1 shows a shift fork with a base body made of sheet metal and with a guide part produced by extrusion, in which the base body is fastened to the guide and the base of the guide
  • Figure 2 shows the leadership and the connection of the leadership to the
  • FIG. 3 shows a front view of the guidance of the shift fork according to FIG. 1,
  • Figure 4 shows another embodiment of a shift fork according to
  • Figure 5 shows another embodiment of a shift fork according to
  • Figures 6, 7 is a schematic representation of the extrusion of a guide for a shift fork according to the invention and.
  • the exemplary embodiment of a shift fork 1 according to FIG. 1 has a base body 2, a guide 10 and a shift arm 3.
  • the switching arm 3 is provided with a switching mouth 4 and attached to the guide 10.
  • the base body 2 is a fork-shaped sheet metal part.
  • Slide shoes 9 made of plastic are fastened to the fork ends 7 and 8.
  • the sheet metal part of the base body 2 is deformed such that ribs 5 and 6 pointing away from the fork ends 7 and 8 are angled in the direction of the guide 10.
  • the ribs 5 and 6 lie parallel to one another along the guide 10, so that the base body 2 has a U-shaped longitudinal section at the connection to the guide 10.
  • the guide hole 12 as an individual part has a guide hole 12 and is designed to be rotationally symmetrical with the guide hole 12 about a common axis of rotation 13.
  • the guide hole 13 leads longitudinally through the guide 10.
  • the base 11, which is formed in one piece with the guide 10, projects from the guide 10 in a cam-like manner transversely to the axis of rotation 13.
  • the base 11 encompasses the axis of rotation 13 with an arc length B which corresponds to half the circumference of the outer diameter of the rotationally symmetrical guide 10.
  • the guide 10 is of solid construction and a hollow body with a wall thickness S that is closed on the circumference around the guide hole 12, the wall being thicker than the sheet thickness a of the sheet from which the base body 2 is made.
  • the guide hole 12 is provided with chamfers 18 and 19, respectively.
  • the chamfers 18 and 19 optionally facilitate the insertion of a switching element, not shown, such as a switching rod, or a sliding or rolling bearing.
  • the guide 10 is aligned with the base body 2 such that the base 11 points with the surface 17 in the direction of the base body 2.
  • the base 11 engages between the ribs 5 and 6.
  • the end faces 14 lie closely on the ribs 5 and 6.
  • the base body 2 is positively positioned on the guide 10 with a fillet 2a with the inner radius r.
  • the inner radius r corresponds to the radius that describes the outer circumference of the hollow cylindrical guide 10.
  • the guide 10, the base 11 and the base body 2 are integrally connected to the shift fork 1 by means of weld seams 20 and 21.
  • Figure 4 describes an embodiment of a shift fork 22, the base body 25 is formed in several parts. Furthermore, the shift fork 22 has a guide 23 and a shift arm 31.
  • the base body 25 is formed from a fork 29 and from two mutually symmetrical support plates 26 and 27.
  • the support plates 26 and 27 each have a guide eye 28, in which the guide 23 engages.
  • the base 24 on the guide 23 extends in the direction of the base body 25 with a surface 30 facing away from the guide 23 and bears against the fork 29 with this.
  • the switching arm 31 is fastened to one of the flanks 24a of the base 24.
  • the individual parts of the shift fork 22 are positively connected to one another with the weld seams 32, 33 and 34.
  • FIG. 5 shows a shift fork 35 in which a base body 36 is fastened to the surface 17 of the base 11 facing away from the guide 10 by means of weld seams 37.
  • FIGS. 6 and 7 the method for producing a guide 10 or 23 is shown in simplified form and not to scale.
  • a blank 38 is guided in a divided tool 39.
  • the punches 40 and 41 the material is displaced from the blank 38 transversely to the direction of action of the tool 39 through the die 42 into the cavity 43.
  • the inner contour of the cavity 43 corresponds to the outer contour of a base 11 or 24.
  • the material is deformed by means of the stamp 40 against the direction of action of the tool 39 indicated by the arrow to form the hollow body of the guide 10 or 23.
  • the cup-shaped workpiece is shaped and calibrated by means of solid holes to form the hollow cylindrical guide 10 or 23, the inner circumference of the tool 39 being the outer circumference of the guide 10 or 23 and the outer diameter of the punch 40 being the inner diameter of this guide 10 or 23 corresponds to.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne une fourchette de commande (1) qui comprend un corps de base (2) en forme de fourche constitué de tôle, ainsi qu'un guide (10). Selon l'invention, cette fourchette de commande (1) présente une base (11) qui est conçue en une seule pièce avec le guide (10), ce dernier étant formé d'un corps creux en matériau ferreux présentant une structure fermée autour d'un trou de guidage (12).
PCT/EP2004/001454 2003-03-05 2004-02-17 Fourchette de commande comprenant un corps de base en forme de fourche constitue de tole Ceased WO2004079232A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10309407.5 2003-03-05
DE2003109407 DE10309407B4 (de) 2003-03-05 2003-03-05 Schaltgabel mit einem gabelförmigen Grundkörper aus Blech und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
WO2004079232A1 true WO2004079232A1 (fr) 2004-09-16

Family

ID=32945830

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/001454 Ceased WO2004079232A1 (fr) 2003-03-05 2004-02-17 Fourchette de commande comprenant un corps de base en forme de fourche constitue de tole

Country Status (2)

Country Link
DE (1) DE10309407B4 (fr)
WO (1) WO2004079232A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2053283A1 (fr) * 2007-10-24 2009-04-29 C.R.F. Società Consortile per Azioni Fourche de sélection de vitesse pour boîte de vitesse de véhicule
WO2011082786A1 (fr) * 2009-12-16 2011-07-14 Koki Technik Transmission Systems Gmbh Timonerie de changement de vitesses soudée
CN103119341A (zh) * 2010-06-14 2013-05-22 科奇科技传送系统股份有限公司 手动变速器的传动装置及止动套筒
WO2015010784A1 (fr) * 2013-07-23 2015-01-29 Koki Technik Transmission Systems Gmbh Fourchette de boîte de vitesse
US20190152316A1 (en) * 2017-11-20 2019-05-23 Borgwarner Inc. Transfer case having an actuator assemby with cam follower that is molded into a plastic actuator structure
EP3521665A1 (fr) * 2018-02-06 2019-08-07 ArvinMeritor Technology, LLC Fourche de changement de vitesses et son procédé de fabrication
CN110513475A (zh) * 2019-09-09 2019-11-29 深圳臻宇新能源动力科技有限公司 变速器换挡拨叉结构和具有其的车辆
CN115701815A (zh) * 2023-01-04 2023-02-14 象山申达轿车配件有限公司 换挡拨叉铣削夹具及铣削装置

Families Citing this family (8)

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DE102005006973A1 (de) 2005-02-16 2006-08-24 Schaeffler Kg Schaltanordnung mit einer Schaltgabel
DE102005028094A1 (de) 2005-06-17 2006-12-21 Schaeffler Kg Betätigungsvorrichtung für eine Schaltmuffe in einem Zahnräderwechselgetriebe
DE102005062248A1 (de) * 2005-12-24 2007-07-05 Schaeffler Kg Schaltanordnung mit einer Schaltgabel
DE102007028110A1 (de) 2007-06-19 2008-12-24 Schaeffler Kg Welle-Nabe-Verbindung, insbesondere einer Schaltgabeleinheit, und Verfahren zur Herstellung einer derartigen Welle-Nabe-Verbindung
DE102011080495B4 (de) 2011-08-05 2018-04-05 Schaeffler Technologies AG & Co. KG Schaltanordnung mit einer Schaltgabel
DE102013208934B4 (de) * 2013-05-15 2020-06-04 Bayerische Motoren Werke Aktiengesellschaft Handschaltgetriebe mit einer Schaltgabel
DE102015214720A1 (de) 2015-08-03 2017-02-09 Schaeffler Technologies AG & Co. KG Schaltgabeleinheit und Schaltvorrichtung mit Schaltgabeleinheit
DE102021100861A1 (de) 2021-01-18 2022-07-21 Schaeffler Technologies AG & Co. KG Schaltgabel und Schaltanordnung für ein Zahnräderwechselgetriebe

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DE7105111U (de) * 1971-05-27 Rheinstahl Hanomag Ag Metallische Schaltgabel zum Fuhren und Axialverschieben von metallischen Schaltmuffen bei Getrieben
DE10125098A1 (de) * 2001-05-23 2002-11-28 Ina Schaeffler Kg Schaltgabel für ein Wechselgetriebe mit einem gabelförmig ausgebildeten Grundkörper aus Blech
DE10126437A1 (de) * 2001-05-31 2002-12-05 Ina Schaeffler Kg Schaltgabel eines Schaltgetriebes

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DE1018703B (de) * 1953-11-12 1957-10-31 Kabel Und Metallwerke Neumeyer Gesenk zum Rueckwaertsfliesspressen eines metallischen Werkstueckes mit Flansch
DE4432382A1 (de) * 1994-09-12 1996-03-14 Schaeffler Waelzlager Kg Übertragungselement für eine Getriebeschaltung
DE19950584A1 (de) * 1999-10-21 2001-04-26 Schaeffler Waelzlager Ohg Führung eines Übertragungsgliedes in einem Schaltgetriebe

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
DE7105111U (de) * 1971-05-27 Rheinstahl Hanomag Ag Metallische Schaltgabel zum Fuhren und Axialverschieben von metallischen Schaltmuffen bei Getrieben
DE10125098A1 (de) * 2001-05-23 2002-11-28 Ina Schaeffler Kg Schaltgabel für ein Wechselgetriebe mit einem gabelförmig ausgebildeten Grundkörper aus Blech
DE10126437A1 (de) * 2001-05-31 2002-12-05 Ina Schaeffler Kg Schaltgabel eines Schaltgetriebes

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942075B2 (en) 2007-10-24 2011-05-17 C.R.F. Societa Consortile Per Azioni Gear selector fork for a motor vehicle gearbox
CN101418856B (zh) * 2007-10-24 2013-08-21 C.R.F.阿西安尼顾问公司 机动车辆变速箱的变速选择器拨叉
EP2053283A1 (fr) * 2007-10-24 2009-04-29 C.R.F. Società Consortile per Azioni Fourche de sélection de vitesse pour boîte de vitesse de véhicule
CN102781619B (zh) * 2009-12-16 2015-12-02 科奇科技传送系统股份有限公司 焊接的换挡杆
WO2011082786A1 (fr) * 2009-12-16 2011-07-14 Koki Technik Transmission Systems Gmbh Timonerie de changement de vitesses soudée
CN102781619A (zh) * 2009-12-16 2012-11-14 科奇科技传送系统股份有限公司 焊接的换挡杆
CN103119341A (zh) * 2010-06-14 2013-05-22 科奇科技传送系统股份有限公司 手动变速器的传动装置及止动套筒
WO2015010784A1 (fr) * 2013-07-23 2015-01-29 Koki Technik Transmission Systems Gmbh Fourchette de boîte de vitesse
CN105339711A (zh) * 2013-07-23 2016-02-17 科奇科技传送系统股份有限公司 换挡拨叉
US20190152316A1 (en) * 2017-11-20 2019-05-23 Borgwarner Inc. Transfer case having an actuator assemby with cam follower that is molded into a plastic actuator structure
US10500952B2 (en) * 2017-11-20 2019-12-10 Borgwarner Inc. Transfer case having an actuator assembly with cam follower that is molded into a plastic actuator structure
EP3521665A1 (fr) * 2018-02-06 2019-08-07 ArvinMeritor Technology, LLC Fourche de changement de vitesses et son procédé de fabrication
US10738887B2 (en) 2018-02-06 2020-08-11 Arvinmeritor Technology, Llc Shift fork and method of manufacture
CN110513475A (zh) * 2019-09-09 2019-11-29 深圳臻宇新能源动力科技有限公司 变速器换挡拨叉结构和具有其的车辆
CN115701815A (zh) * 2023-01-04 2023-02-14 象山申达轿车配件有限公司 换挡拨叉铣削夹具及铣削装置

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Publication number Publication date
DE10309407A1 (de) 2004-10-21
DE10309407B4 (de) 2014-01-23

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