DE102008054846A1 - Electro-pneumatic switch unit for vehicle gear box, has area auxiliary transmission pneumatically switched by valves with two transmission ratio levels and manually switched main gear box - Google Patents
Electro-pneumatic switch unit for vehicle gear box, has area auxiliary transmission pneumatically switched by valves with two transmission ratio levels and manually switched main gear box Download PDFInfo
- Publication number
- DE102008054846A1 DE102008054846A1 DE200810054846 DE102008054846A DE102008054846A1 DE 102008054846 A1 DE102008054846 A1 DE 102008054846A1 DE 200810054846 DE200810054846 DE 200810054846 DE 102008054846 A DE102008054846 A DE 102008054846A DE 102008054846 A1 DE102008054846 A1 DE 102008054846A1
- Authority
- DE
- Germany
- Prior art keywords
- transmission
- shift
- gear
- electro
- gear box
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
-
- 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
- F16H63/34—Locking or disabling mechanisms
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/307—Actuators with three or more defined positions, e.g. three position servos
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0248—Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
- F16H61/702—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using electric or electrohydraulic control means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
Description
Die Erfindung betrifft eine elektro-pneumatische Schalteinheit nach dem Oberbegriff des Anspruchs 1.The The invention relates to an electro-pneumatic switching unit according to the preamble of claim 1.
Getriebe von größeren Nutzfahrzeugen sind häufig in einen Hauptgetriebeteil, ein Bereichsgruppengetriebe und teilweise noch ein Splitgruppengetriebe aufgeteilt. Moderne Getriebe vor allem in Nutzfahrzeugen weisen dabei eine durch eine Pneumatik unterstützte Schalteinrichtung auf, die pneumatische Schaltungen im Splitgruppengetriebe und im Bereichsgruppengetriebe durchführt, während die Schaltungen im Hauptgetriebeteil manuell vom Fahrzeugführer durchgeführt werden und dabei in der ausübenden Kraft durch die Pneumatik unterstützt werden können.transmission of larger commercial vehicles are common in a main transmission part, a range group transmission and partially split another split group transmission. Above all, modern gears in commercial vehicles have a supported by a pneumatic Switching on the pneumatic circuits in the split group transmission and in the range group transmission while the circuits in the main transmission part manually from the driver be carried out while doing in the exercising Power can be supported by the pneumatics.
Zur Steuerung von heute üblichen Kraftfahrzeuggetrieben werden in zunehmendem Maße elektronische Anordnungen vorgesehen. Diese Anordnungen dienen, neben anderen Zwecken, auch der Unterstützung der Verhinderung von Schaltungen im Getriebe, die auf Grund sonstiger Bedingungen, wie insbesondere zu hoher Fahrzeuggeschwindigkeit bezogen auf den zu schalten beabsichtigten Gang, nicht zulässig sind.to Control of today's standard automotive transmissions increasingly provided electronic arrangements. These arrangements serve, among other purposes, also the support the prevention of shifting in the transmission, due to other Conditions, such as in particular related to high vehicle speed to the intended gear, not allowed are.
Eine
derartige pneumatische Schalteinrichtung mit Schutzmechanismen gegen
falsches Betätigen ist beispielhaft aus der
Diese ansonsten wirkungsvolle Schalteinrichtung sieht keine Maßnahmen vor zur Unterbindung nicht zulässiger Schaltungen bei solchen Schaltungen, die nicht mit der Umschaltung des Bereichsgruppengetriebes zusammenhängen.These otherwise effective switching device sees no action to prevent inadmissible circuits in such circuits, which are not related to the switching of the area group transmission.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine pneumatische Schalteinrichtung zu schaffen, die eine vergrößerte Schutzmöglichkeit gegen das Schalten unzulässiger Übersetzungsstufen ermöglicht.Of the present invention is based on the object, a pneumatic Switching device to create an enlarged Protection against the switching of improper translation stages allows.
Die Aufgabe wird gelöst mit den Merkmalen des Anspruchs 1. Ausgestaltungen sind Gegenstand von Unteransprüchen.The The object is achieved with the features of claim 1. Embodiments are the subject of dependent claims.
Erfindungsgemäß wird vorgeschlagen, bei einer elektro-pneumatischen Schalteinheit für ein Fahrzeuggetriebe mit einem über Ventile pneumatisch geschalteten Bereichsgruppengetriebe mit zwei Übersetzungsstufen und einem manuell geschalteten Hauptgetriebe, dessen Gangstufen in Schaltgassen vom Fahrzeugführer mechanisch ausgewählt und geschaltet wenden, mit einer Sperreinrichtung zur mechanischen Unterbindung der manuellen Schaltung nicht zulässiger Übersetzungsverhältnisse des Fahrzeuggetriebes und mit einer elektronischen Steuereinrichtung, die Sperreinrichtung so vorzusehen, dass diese in einer ersten Aktivierungsstufe oberhalb einer ersten Fahrzeuggeschwindigkeitsschwelle den Wechsel in eine Schaltgasse unterbindet, die wenigstens eine Gangstufe aufweist, deren Einschaltung nur unterhalb der vorgegebenen, ersten Fahrzeuggeschwindigkeitsschwelle zulässig ist, und dass die Sperreinrichtung in einer zweiten Aktivierungsstufe oberhalb einer zweiten Fahrzeuggeschwindigkeitsschwelle oberhalb der ersten Fahrzeuggeschwindigkeitsschwelle den Wechsel zwischen denjenigen weiteren Schaltgassen unter bindet, die in beiden Übersetzungsstufen des Bereichsgruppengetriebes anwählbar sind.According to the invention proposed in an electro-pneumatic switching unit for a vehicle transmission with a pneumatically over valves switched range group transmission with two gear ratios and a manually-operated main gearbox whose gear stages in shift lanes mechanically selected by the driver and switched turn, with a locking device for mechanical ligation the manual circuit not allowed gear ratios of the Vehicle transmission and with an electronic control device, to provide the blocking device so that they are above in a first activation stage a first vehicle speed threshold the change in a Schaltgasse prevents, which has at least one gear, their activation only below the predetermined, first vehicle speed threshold is permissible, and that the locking device in a second Activation level above a second vehicle speed threshold above the first vehicle speed threshold the change between those further shift gates under binds, in both translation stages of the area group transmission are selectable.
Die Schaltgassen, die in beiden Übersetzungsstufen des Bereichsgruppengetriebes anwählbar sind, sind üblicherweise einerseits die Schaltgasse für den ersten und zweiten Gang in Verbindung mit der langsamen Übersetzungsstufe des Bereichsgruppengetriebes und dem fünften und sechsten Gang in Verbindung mit der schnellen Übersetzungsstufe, und andererseits die Schaltgasse für den dritten und vierten Gang in Verbindung mit der langsamen Übersetzungsstufe des Bereichsgruppengetriebes und dem siebten und achten Gang in Verbindung mit der schnellen Übersetzungsstufe. Die weitere Schaltgasse kann einen Rückwärtsgang und/oder einen Kriechgang aufweisen, die beide aufgrund ihres Übersetzungsverhältnisses nur bei geringen Geschwindigkeiten eingeschaltet werden dürfen.The Schaltgassen, in both translation stages of the range group transmission are selectable, are usually one hand the shift gate for the first and second gear in conjunction with the slow gear ratio of the range group transmission and the fifth and sixth gear in conjunction with the fast translation stage, and on the other hand, the shift gate for the third and fourth gear in conjunction with the slow gear ratio of the range group transmission and the seventh and eighth gear in conjunction with the fast gear ratio. The further shift gate can reverse and / or creeping, both due to their gear ratio may only be switched on at low speeds.
In einer besonders vorteilhaften Ausgestaltung erfolgt die mechanische Auswahl der Schaltgasse durch eine axiale Verschiebung der Schaltwelle und die mechanische Schaltung der Gangstufe in der jeweiligen Schaltgasse erfolgt durch eine anschließende Verdrehung der Schaltwelle.In In a particularly advantageous embodiment, the mechanical Selection of the shift gate by an axial displacement of the shift shaft and the mechanical circuit of the gear in the respective shift gate takes place by a subsequent rotation of the switching shaft.
Eine weitere besonders vorteilhafte Ausführungsform sieht als Sperreinrichtung einen Gassensperrzylinder vor, der zwei unverbundene, miteinander kommunizierende Kolben mit unterschiedlicher Kolbenfläche beinhaltet.A another particularly advantageous embodiment provides as Locking device before a gas barrier cylinder, the two unconnected, mutually communicating pistons with different piston area includes.
Die Erfindung wird anhand einer Zeichnung näher erläutert. Es zeigen:The The invention will be explained in more detail with reference to a drawing. Show it:
Die
Die
Den
Wechsel des Bereichsgruppengetriebes
Das
Splitgruppengetriebe
Wie
bereits ausgeführt, muss der Fahrzeugführer den
Wechsel des Bereichsgruppengetriebes
Um
Fehlschaltungen zu vermeiden, müssen in der Schalteinrichtung
zusätzliche Absicherungen getroffen werden. Dazu ist ein
Gassensperrzylinder
Eine
Schaltung in die linke Schaltgasse gemäß dem Schaltbild
Dazu
wird die Abtriebsdrehzahl des Getriebes
Das
Schalten zwischen verschiedenen Gangstufen, bei dem eine Umschaltung
des Bereichsgruppengetriebes
Durch
die unterschiedlich große Kolbenfläche der beiden
Kolben
Die
Bei
Aktivierung der zweiten Stufe, die in der unteren Abbildung der
Die
Ventile
- 22
- Fahrzeugvehicle
- 44
- Antriebsmaschineprime mover
- 66
- Getriebetransmission
- 88th
- Kupplungclutch
- 1010
- HauptgetriebeteilThe main transmission part
- 1212
- SplitgruppengetriebeSplitter unit
- 1414
- BereichsgruppengetriebeRange gear
- 1616
- Schalthebelgear lever
- 1818
- Verbindungsleitungconnecting line
- 2020
- Steuereinrichtungcontrol device
- 2222
- Kippschaltertoggle switch
- 2424
- Kippschaltertoggle switch
- 2626
- Verbindungsleitungconnecting line
- 2828
- Schaltbildcircuit diagram
- 3030
- KupplungsauslöseventilClutch release valve
- 3232
- Leitungmanagement
- 3434
- Luftvorratair supply
- 3636
- VentilValve
- 3838
- VentilValve
- 4040
- Schaltzylinderswitching cylinder
- 4242
- Hauptabschaltventilmain shut
- 4444
- VentilValve
- 4646
- VentilValve
- 4848
- Schaltzylinderswitching cylinder
- 5050
- Sensorsensor
- 5252
- VentilValve
- 5454
- GassensperzylinderGassensperzylinder
- 5656
- rechte Zylinderkammerright cylinder chamber
- 5858
- Schaltwelleshift shaft
- 6060
- Ventilblockmanifold
- 6262
- VentilValve
- 6868
- linke Zylinderkammerleft cylinder chamber
- 8080
- Leitungmanagement
- 8282
- Leitungmanagement
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10029497 A [0004] - DE 10029497 A [0004]
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810054846 DE102008054846A1 (en) | 2008-12-18 | 2008-12-18 | Electro-pneumatic switch unit for vehicle gear box, has area auxiliary transmission pneumatically switched by valves with two transmission ratio levels and manually switched main gear box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810054846 DE102008054846A1 (en) | 2008-12-18 | 2008-12-18 | Electro-pneumatic switch unit for vehicle gear box, has area auxiliary transmission pneumatically switched by valves with two transmission ratio levels and manually switched main gear box |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008054846A1 true DE102008054846A1 (en) | 2010-07-01 |
Family
ID=42220560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810054846 Ceased DE102008054846A1 (en) | 2008-12-18 | 2008-12-18 | Electro-pneumatic switch unit for vehicle gear box, has area auxiliary transmission pneumatically switched by valves with two transmission ratio levels and manually switched main gear box |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008054846A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102889380A (en) * | 2012-10-17 | 2013-01-23 | 浙江万里扬变速器股份有限公司 | Interlocking device of main transmission assembly with main-secondary box structure |
EP2587096A1 (en) * | 2011-10-31 | 2013-05-01 | Eaton Truck Components Sp. z.o.o. | A transmission protection system and an electronic transmission control unit for the transmission protection system |
CN105840817A (en) * | 2016-06-02 | 2016-08-10 | 陕西法士特齿轮有限责任公司 | Control air circuit structure for transmission |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10029497A1 (en) | 2000-06-15 | 2002-01-10 | Zahnradfabrik Friedrichshafen | Electro-pneumatic switching unit |
DE10252429A1 (en) * | 2002-11-12 | 2004-05-27 | Zf Friedrichshafen Ag | Electropneumatic switching unit for a vehicle drive especially a truck drive has mechanism to block forbidden gear ratio changes |
-
2008
- 2008-12-18 DE DE200810054846 patent/DE102008054846A1/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10029497A1 (en) | 2000-06-15 | 2002-01-10 | Zahnradfabrik Friedrichshafen | Electro-pneumatic switching unit |
DE10252429A1 (en) * | 2002-11-12 | 2004-05-27 | Zf Friedrichshafen Ag | Electropneumatic switching unit for a vehicle drive especially a truck drive has mechanism to block forbidden gear ratio changes |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2587096A1 (en) * | 2011-10-31 | 2013-05-01 | Eaton Truck Components Sp. z.o.o. | A transmission protection system and an electronic transmission control unit for the transmission protection system |
WO2013064553A1 (en) * | 2011-10-31 | 2013-05-10 | Eaton Truck Components Sp. Z O.O. | A transmission protection system |
CN104145142A (en) * | 2011-10-31 | 2014-11-12 | 伊顿卡车部件有限公司 | A transmission protection system |
CN102889380A (en) * | 2012-10-17 | 2013-01-23 | 浙江万里扬变速器股份有限公司 | Interlocking device of main transmission assembly with main-secondary box structure |
CN105840817A (en) * | 2016-06-02 | 2016-08-10 | 陕西法士特齿轮有限责任公司 | Control air circuit structure for transmission |
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R016 | Response to examination communication | ||
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