WO2003089815A1 - Elektro-pneumatische schalteinheit - Google Patents
Elektro-pneumatische schalteinheit Download PDFInfo
- Publication number
- WO2003089815A1 WO2003089815A1 PCT/EP2003/003890 EP0303890W WO03089815A1 WO 2003089815 A1 WO2003089815 A1 WO 2003089815A1 EP 0303890 W EP0303890 W EP 0303890W WO 03089815 A1 WO03089815 A1 WO 03089815A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pneumatic
- valves
- driver
- support device
- shuttle valve
- Prior art date
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
- F16H61/70—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
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
- F16H2059/0286—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing with range or splitter selector on selector lever
-
- 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
- F16H2061/301—Hydraulic or pneumatic motors or related fluid control means therefor for power assistance, i.e. servos with follow up action
-
- 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
- F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
- F16H59/56—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the main clutch
-
- 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
- F16H63/40—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 comprising signals other than signals for actuating the final output mechanisms
- F16H63/44—Signals to the control unit of auxiliary gearing
Definitions
- the invention relates to an electro-pneumatic switching unit according to the preamble of claim 1.
- Transmissions of larger commercial vehicles are divided into a main transmission part, a split group transmission and a range group transmission.
- Modern gearboxes especially in commercial vehicles, have a switching device supported by pneumatics, which carries out pneumatic shifting in the split group transmission and in the range group transmission, while the shifting in the main transmission part is carried out manually by the vehicle driver and the pneumatic force can be used to assist in this ,
- the invention has for its object to determine the supply of supporting compressed air to a switching device without much additional effort.
- An electro-pneumatic shift unit for a vehicle transmission comprises a main transmission shifted manually by the driver on a shift lever and a split group transmission shifted via valves electro-pneumatically.
- the shifting of the split group transmission can be preselected manually by the driver using switches on the shift lever.
- a sensor or switch detects a manual one
- a shuttle valve is provided, each of which is connected to an outlet line of the valves with an inlet opening.
- Valves open each time there is a clutch actuation signal and that always opens the one of the two valves that was selected on the shift lever when the switch for the split group transmission was last actuated.
- An outlet opening of the shuttle valve is connected via a pneumatic line to a pneumatic servo support device, which supports the driver in manual switching in the main transmission.
- the change Selventil only allows the air supply from one of the two valves of the split group transmission to the pneumatic line and thus to the servo support device, while the other connection line is shut off by the shuttle valve. This prevents the connected shift cylinder for the split group transmission from receiving an air supply for its two shift directions.
- the pneumatic line between the shuttle valve and the servo support device is designed such that the air flowing through the shuttle valve goes directly into the pneumatic servo support device to assist the vehicle driver.
- the servo support device comprises a 3/2-way valve which is actuated by the air flowing through the pneumatic line and then releases air from an air supply to the pneumatic servo support device.
- Figure 1 is a schematic representation with arrangement of the transmission.
- FIG. 2 shows a typical control handle with circuit diagram
- Fig. 3 shows a first embodiment of the switching unit with a direct air supply
- Fig. 4 shows a second embodiment of the switching unit with air supply via a valve.
- the transmission 6 has a main transmission part 10, a split group transmission 12 and a range group transmission 14.
- the main transmission part 10 is switched manually by the vehicle driver via a shift lever 16.
- the transmission 6 is connected to an electronic control device 20 via connecting lines 18.
- a valve block 60 arranged in the housing of the transmission 6 is connected to an air supply 34 via a feed line 72.
- a servo support device 74 mounted on or in the housing is operatively connected to the shift lever or the elements actuated by the shift lever in the main transmission part 10.
- FIG. 2 shows an exemplary shift lever 16 in an enlarged representation for a shift pattern 28 which is referred to as "superimposed-H".
- a toggle switch 22 for preselecting the shift lever 16
- a further toggle switch 24 is provided on the front of the shift lever 16, via which the range group transmission 14 is shifted. Both toggle switches 22, 24 are electrical switches that have an electrical switch
- Connecting line 26 are connected to the control device 20.
- each end position of the shift lever 16 is in the forward gears assigned two gear ratios, each differing by the gear ratio step of the range group transmission 14.
- the rocker arm division "slow” the gear ratios one to four and the reverse gear are engaged, with the rocker arm position "fast”, the gears five to eight are engaged.
- the neutral position of the main transmission part 10 is indicated in the alley between the gear ratios three and four or seven and eight.
- the vehicle driver must preselect the change of the range group transmission 14 by means of the toggle switch 24 on the shift lever 16. The change is carried out as soon as the neutral position is manually inserted in the main transmission part 10.
- the split group transmission 12 is preselected in the "L” or “S” positions using the toggle switch 22 on the side of the shift lever 16 and shifted by actuating the clutch 8.
- 3 shows a clutch pedal 62 which actuates an electrical switch 64 which is connected to the control device 20.
- the approval of circuits in the split group transmission 12 is determined by the control device 20 with the switch 64 closed, air being constantly present at the two electro-pneumatic 3/2-way valves 36 and 38.
- the valves 36 and 38 are connected to the electronic control device 20 and are controlled as a function of the switch position of the toggle switch 22 on the switching lever 16.
- the vehicle driver must preselect the change of the range group transmission 14 by means of the toggle switch 24 on the shift lever 16. The change is then carried out as soon as the neutral position is manually inserted in the main transmission part 10.
- a main shut-off valve 42 mechanically coupled to the switching movement releases the air from the air supply 34 to two 3/2-way electropneumatic valves 44 and 46.
- the valves 44 and 46 are connected to the electronic control device 20 and become dependent the switch position of the toggle switch 24 is controlled on the shift lever 16.
- a lane lock cylinder 54 is provided, which preferably prevents the shift from the right shift gate of the circuit diagram 28 to the left shift gate, that is, the shift from the third or fourth gear ratio to the first or in the slow gear ratio of the range group transmission above a certain output speed of the gear mechanism 6 second stage of translation is prevented. This is to prevent the driver from mistakenly translating into the first instead of the fifth to switch stage if he has forgotten to preselect the rapid transmission in the range group transmission with the toggle switch 24. In the fast gear stage of the range group transmission, the same device can be used to prevent shifting from the eighth to the fifth gear stage.
- the output speed of the transmission 6 is detected by a sensor 50 and passed on to the electronic control device 20 as a signal. If the output speed is too high, the control device 20 emits a signal to an electropneumatic 3/2-way valve 52, which allows air from the air supply 34 to reach the gas-blocking cylinder 54 via line 94, the tappet of which via a deflection lever 56 Selector shaft 58 engages and presses it in the direction of the right shift gate of the circuit diagram 28. This arrangement is from
- the driver can be overridden with increased effort and thus allows the gear ratios to be switched in the left shift gate of the circuit diagram 28 in extreme situations.
- a group lock suppresses the shifting of the range group transmission 14 into the slow gear ratio above a predetermined vehicle speed and protects both the synchronization of the range group transmission 14 and the synchronizations of the main transmission part 10.
- the vehicle speed is detected by the sensor 50 in accordance with the transmission output speed and sent as a signal to the control device 20 passed.
- the control device 20 controls the valves 36 and 38 as a function of this signal and permits switching to the slow gear ratio only if corresponding suitable signals are present.
- the valves 36, 38, 42, 44, 46, 52 and 54 are housed together in the valve block 60 as a common housing which is directly connected to a housing in which the selector shaft 58 of the transmission 6 is housed. This results in a compact unit of the
- Valve block 60 which is arranged on the transmission 6 (Fig. 1).
- the short line lengths between the individual valves advantageously result in short response times and switching times.
- the electrical connection between valve block 60 and control device 20 can take place via a central electrical connection on valve block 60.
- the valve block 60 can be connected to an existing transmission without design changes to the transmission being necessary.
- An output line 76 leads from the valve 36 to the shift cylinder 40 of the split group transmission 12 and to a first input opening 78 of a shuttle valve 80.
- an output line 82 leads to the shift cylinder 40 of the split group transmission 12 and to a second input opening 84 of the shuttle valve 80.
- An outlet opening 86 of the shuttle valve 80 is connected to a pneumatic line 88 on which the servo support device 74 is connected.
- the air flowing through the pneumatic line 88 is sufficient to generate a sufficient force in the servo support device 74.
- the pneumatic line 88 is not connected directly to the servo support device, but rather a 3/2-way valve 92 is actuated via the pneumatic line 88, which then activates the air from the air supply 34 releases via a line 90 to the servo support device 74.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50305683T DE50305683D1 (de) | 2002-04-19 | 2003-04-15 | Elektro-pneumatische schalteinheit |
EP03725027A EP1497575B1 (de) | 2002-04-19 | 2003-04-15 | Elektro-pneumatische schalteinheit |
JP2003586510A JP4165705B2 (ja) | 2002-04-19 | 2003-04-15 | 電気空圧式ギヤシフトユニット |
BRPI0309346-8A BRPI0309346B1 (pt) | 2002-04-19 | 2003-04-15 | Unidade de comando eletropneumática |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10217482.2 | 2002-04-19 | ||
DE2002117482 DE10217482A1 (de) | 2002-04-19 | 2002-04-19 | Elektro-pneumatische Schalteinheit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003089815A1 true WO2003089815A1 (de) | 2003-10-30 |
Family
ID=28798578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/003890 WO2003089815A1 (de) | 2002-04-19 | 2003-04-15 | Elektro-pneumatische schalteinheit |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1497575B1 (de) |
JP (1) | JP4165705B2 (de) |
CN (1) | CN100385150C (de) |
BR (1) | BRPI0309346B1 (de) |
DE (2) | DE10217482A1 (de) |
WO (1) | WO2003089815A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004042259A1 (de) * | 2002-11-06 | 2004-05-21 | Zf Friedrichshafen Ag | Schalteinheit |
DE102007032936A1 (de) | 2007-07-14 | 2009-01-15 | Zf Friedrichshafen Ag | Verfahren und Schaltungsanordnung zum Unterstützen eines Schaltvorgangs bei einem Handschaltgetriebe |
EP2025975A2 (de) | 2007-08-16 | 2009-02-18 | ZF Friedrichshafen AG | Verfahren und Schaltungsanordnung zum Wählen und Schalten eines Ganges bei einem Handschaltgetriebe eines Fahrzeugs |
DE102007046737A1 (de) | 2007-09-28 | 2009-04-02 | Zf Friedrichshafen Ag | Mehrgruppengetriebe |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255395A1 (de) | 2002-11-28 | 2004-06-09 | Zf Friedrichshafen Ag | Schalteinheit |
DE10337582A1 (de) * | 2003-08-16 | 2005-03-17 | Zf Friedrichshafen Ag | Elektro-pneumatische Schalteinheit |
DE10339151A1 (de) | 2003-08-26 | 2005-03-24 | Zf Friedrichshafen Ag | Elektro-pneumatische Schalteinheit |
DE102006034947A1 (de) * | 2006-07-28 | 2008-01-31 | Zf Friedrichshafen Ag | Schaltvorrichtung für ein Gruppengetriebe und Verfahren zur Steuerung einer Schaltvorrichtung für ein Gruppengetriebe |
DE102006042213A1 (de) * | 2006-09-08 | 2008-03-27 | Zf Friedrichshafen Ag | Schaltvorrichtung für Kraftfahrzeug-Wechselgetriebe |
DE102008001681A1 (de) | 2008-05-09 | 2009-11-12 | Zf Friedrichshafen Ag | Schalteinrichtung eines Kraftfahrzeuggetriebes |
DE102012020704A1 (de) | 2012-10-23 | 2013-05-02 | Daimler Ag | Getriebe für einen Kraftwagen |
CN104613171A (zh) * | 2015-01-05 | 2015-05-13 | 王建军 | 一种基于强制操纵式变速器汽车的atm仿真操纵机构 |
CN106499813A (zh) * | 2015-09-06 | 2017-03-15 | 林会明 | 车用机械变速箱的气动换挡系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839855A1 (de) * | 1998-09-02 | 2000-03-09 | Zahnradfabrik Friedrichshafen | Schalteinrichtung für Kraftfahrzeug-Wechselgetriebe |
DE10029497A1 (de) * | 2000-06-15 | 2002-01-10 | Zahnradfabrik Friedrichshafen | Elektro-pneumatische Schalteinheit |
US20020032100A1 (en) * | 1999-10-12 | 2002-03-14 | Eaton Corporation | Control for engaging start ratios in controller-assisted, manually shifted, splitter-type compound transmission |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3238219A1 (de) * | 1982-10-15 | 1984-04-19 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | Hilfskraftbetaetigtes getriebe |
GB8809945D0 (en) * | 1988-04-27 | 1988-06-02 | Eaton Corp | Pneumatic control system |
DE4015285A1 (de) * | 1989-05-16 | 1990-11-22 | Zahnradfabrik Friedrichshafen | Elektropneumatisches schaltsystem |
US5199311A (en) * | 1992-01-23 | 1993-04-06 | Eaton Corporation | Variable pressure range section actuator assembly |
DE19839854A1 (de) * | 1998-09-02 | 2000-03-09 | Zahnradfabrik Friedrichshafen | Schaltvorrichtung für Kraftfahrzeug-Wechselgetriebe |
-
2002
- 2002-04-19 DE DE2002117482 patent/DE10217482A1/de not_active Withdrawn
-
2003
- 2003-04-15 DE DE50305683T patent/DE50305683D1/de not_active Expired - Lifetime
- 2003-04-15 JP JP2003586510A patent/JP4165705B2/ja not_active Expired - Fee Related
- 2003-04-15 EP EP03725027A patent/EP1497575B1/de not_active Expired - Lifetime
- 2003-04-15 CN CNB038066033A patent/CN100385150C/zh not_active Expired - Lifetime
- 2003-04-15 WO PCT/EP2003/003890 patent/WO2003089815A1/de active IP Right Grant
- 2003-04-15 BR BRPI0309346-8A patent/BRPI0309346B1/pt active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839855A1 (de) * | 1998-09-02 | 2000-03-09 | Zahnradfabrik Friedrichshafen | Schalteinrichtung für Kraftfahrzeug-Wechselgetriebe |
US20020032100A1 (en) * | 1999-10-12 | 2002-03-14 | Eaton Corporation | Control for engaging start ratios in controller-assisted, manually shifted, splitter-type compound transmission |
DE10029497A1 (de) * | 2000-06-15 | 2002-01-10 | Zahnradfabrik Friedrichshafen | Elektro-pneumatische Schalteinheit |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004042259A1 (de) * | 2002-11-06 | 2004-05-21 | Zf Friedrichshafen Ag | Schalteinheit |
DE102007032936A1 (de) | 2007-07-14 | 2009-01-15 | Zf Friedrichshafen Ag | Verfahren und Schaltungsanordnung zum Unterstützen eines Schaltvorgangs bei einem Handschaltgetriebe |
EP2017502A2 (de) | 2007-07-14 | 2009-01-21 | ZF Friedrichshafen AG | Verfahren und Schaltungsanordnung zum Unterstützen eines Schaltvorgangs bei einem Handschaltgetriebe |
EP2017502A3 (de) * | 2007-07-14 | 2011-08-24 | ZF Friedrichshafen AG | Verfahren und Schaltungsanordnung zum Unterstützen eines Schaltvorgangs bei einem Handschaltgetriebe |
EP2025975A2 (de) | 2007-08-16 | 2009-02-18 | ZF Friedrichshafen AG | Verfahren und Schaltungsanordnung zum Wählen und Schalten eines Ganges bei einem Handschaltgetriebe eines Fahrzeugs |
DE102007038605A1 (de) | 2007-08-16 | 2009-02-19 | Zf Friedrichshafen Ag | Verfahren und Schaltungsanordnung zum Wählen und Schalten eines Ganges bei einem Handschaltgetriebe eines Fahrzeugs |
DE102007046737A1 (de) | 2007-09-28 | 2009-04-02 | Zf Friedrichshafen Ag | Mehrgruppengetriebe |
DE102007046737B4 (de) | 2007-09-28 | 2020-07-09 | Zf Friedrichshafen Ag | Mehrgruppengetriebe und zugehöriges Schaltverfahren |
Also Published As
Publication number | Publication date |
---|---|
CN100385150C (zh) | 2008-04-30 |
DE50305683D1 (de) | 2006-12-28 |
CN1643274A (zh) | 2005-07-20 |
BRPI0309346B1 (pt) | 2015-08-11 |
BR0309346A (pt) | 2005-03-01 |
JP4165705B2 (ja) | 2008-10-15 |
EP1497575B1 (de) | 2006-11-15 |
EP1497575A1 (de) | 2005-01-19 |
JP2005526934A (ja) | 2005-09-08 |
DE10217482A1 (de) | 2003-11-06 |
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