EP1959329A1 - Moyen de commande de tracteur - Google Patents

Moyen de commande de tracteur Download PDF

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Publication number
EP1959329A1
EP1959329A1 EP07003389A EP07003389A EP1959329A1 EP 1959329 A1 EP1959329 A1 EP 1959329A1 EP 07003389 A EP07003389 A EP 07003389A EP 07003389 A EP07003389 A EP 07003389A EP 1959329 A1 EP1959329 A1 EP 1959329A1
Authority
EP
European Patent Office
Prior art keywords
hand
control means
adjustment wheel
means according
adjustment
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.)
Withdrawn
Application number
EP07003389A
Other languages
German (de)
English (en)
Inventor
Max Ott
Johann Epple
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.)
AGCO GmbH and Co
Original Assignee
AGCO GmbH and Co
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 AGCO GmbH and Co filed Critical AGCO GmbH and Co
Priority to EP07003389A priority Critical patent/EP1959329A1/fr
Publication of EP1959329A1 publication Critical patent/EP1959329A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/005—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unintentional use of a control mechanism

Definitions

  • the invention relates to a control means for utility vehicles, in particular for tractors usable for agricultural purposes, having a switching element carrier, arranged in proximity to the leading end region of an arm rest of the driver's seat, for a group of switching elements comprising a large number of switches for controlling various vehicle units, which carrier has a hand rest provided with a spherical surface for the palm of the vehicle driver's hand.
  • Control means of this type are intended not only to make the vehicle easier to operate for the driver of the vehicle but also to offer him effective driving comfort, his arm and hand being in a relaxed position, with a large number of actuating elements, such as pushbuttons and switches, provided for the actuation of various vehicle units, arranged so as to be as ergonomically advantageous as possible.
  • a control means meeting these requirements to a high degree is described in EP 0 813 993 B1 .
  • This document discloses a switching element carrier having a spherically shaped hand rest carrying a large number of actuating elements. These are basically pushbuttons or rocker switches for the rapid raising of a front tool carried by the front hoisting gear, the interruption of all functions and the rapid raising of a rear mounted implement carried by the rear hoisting gear. It should be noted in this regard that the rocker switches for the rapid removal of the front and rear mounted implements are also used for controlling the lowering thereof into the working position.
  • This document does not refer to a console which is arranged next to the arm rest on the side wall of the driver's cabin and carries further actuating elements.
  • These further actuating elements include two actuating elements for the setting or adjusting of the desired values of the front and rear hoisting gears, i.e. for inputting the desired working position of the tools.
  • This known arrangement forces the driver, whenever a change in the working position is desirable or necessary, to release his hand from the hand rest and to swivel his right forearm to the console in order to reach the actuating elements.
  • the driver has to pivot back his forearm before he can place his hand on the hand rest and optionally actuate the pushbutton for the rapid raising of the front or rear mounted implement.
  • It is an object of the invention is to improve a control means of the type described at the outset by increasing the degree of operational and driving comfort for the driver.
  • an adjustment wheel for controlling a switching element is mounted in the switching element carrier, the edge of the adjustment wheel has a setting rim which extends from the switching element carrier in a region which can be reached by the fingers of the hand resting on the hand rest and the hand rest includes a sensor to detect the presence of the driver's hand on the hand rest.
  • the sensor may be of the infrared, magnetic or photocell type.
  • a stop control may be provided which stops the operation of all vehicle units and which can be operated whether or not the sensor detects a hand on the hand rest.
  • each adjustment wheel having a setting rim which can be reached by the fingers.
  • the adjustment wheels can easily be reached and rotated by the driver's fingers, thus ruling out accidental adjustment of the upper adjustment wheel in the event of adjustment of the lower adjustment wheel.
  • accidental adjustment of the adjustment wheels can be prevented in that the adjustment wheels and marker rings associated with the or each adjustment wheel cooperate with the carrier via friction linings.
  • the friction linings can, for this purpose, easily be in the form of friction rings mounted on the adjustment wheels, the carrier and/or the marker rings.
  • the diameter of the lower adjustment wheel which is larger than that of the upper adjustment wheel, further produces the advantage that the upwardly pointing faces of intermediate base plates of the carrier can each be provided in their outer edge region with a scale which facilitates the adjustment and recovery of a specific desired value.
  • the switching elements for example potentiometers
  • the adjustment wheels simple assembly thereof is provided if they are fastened to the hand rest or an intermediate base plate of the carrier one above the upper adjustment wheel and one below the lower adjustment wheel.
  • the switching element carrier has a base housing part provided with a base face which encloses an angle with the axes of the switching elements and receives, within the grasp of the fingers of a hand resting on the hand rest, a plurality of pushbuttons, preferably five pushbuttons, for controlling various units of the vehicle.
  • the switching element carrier shown in the figures is fastened to the arm rest 1 of a tractor seat the front portion of which rises upwards slightly.
  • the switching element carrier consists of a lower housing part 2, a central housing part 3 and an upper housing part 4.
  • the lower, substantially truncated housing part 2 - also referred to as the base housing part - carries five switching elements 6, 7, 8, 9, 10 which can be in the form of pushbuttons or rocker switches.
  • the switching elements are used for controlling the front power take-off, for the rapid raising of the front hoisting gear, for stopping all functions, for the rapid raising of the rear hoisting gear and for controlling the rear power take-off respectively.
  • the lower housing part 2 is upwardly delimited by an intermediate base plate 2a.
  • the lower housing part 2 is provided with a base face 2b which encloses a sufficiently large angle ⁇ with the intermediate base plate 2a.
  • the intermediate base plate 2a has a central through-hole and, on the upwardly pointing face, an annular groove which is coaxial therewith and contains an annular friction lining 11.
  • Fastened to the underside of the intermediate base plate 2a is a potentiometer 12, the actuating shaft 13 of which is guided through the through-hole and non-rotatably received by a central through-hole in an adjustment wheel 14.
  • Ring 15 is centred below the adjustment wheel 14, on its hub. In order to prevent the marker ring 15 from being adjusted accidentally during harsh operation, the marker ring 15 abuts the friction lining 11 with slight biasing.
  • the adjustment wheel 14 is provided with a truncated setting rim 14a having a slip-proof outer surface. Its external diameter is smaller than the diameter of the intermediate base plate 2a, so that an outer edge region of the intermediate base plate 2a remains visible around the setting rim 14a.
  • the edge region of the plate 2a is provided with a scale 16 which facilitates the setting of the desired value of the height of a rear mounted implement using wheel 14.
  • Attached to the lower housing part 2 is the central housing part 3 which continues, on the side of the carrier opposite to the switching elements 6 to 10, the truncated form of the lower housing part 2 and has an upper intermediate base plate 3a closely spanning the adjustment wheel 14.
  • the outer surface 3b of this housing part 3 extends circumferentially for less than 180°, so that a large portion of the circumference of the adjustment wheel 14 is accessible for manual adjustment.
  • Two pins 3c, 3d are formed integrally on the top and bottom of the intermediate base plate 3a.
  • the lower pin 3c engages, so as to ensure guidance of the adjustment wheel 14 without play, in the through-hole in said adjustment wheel.
  • said adjustment wheel is provided with a friction lining 17 which abuts the intermediate base plate 3a with slight biasing.
  • the upper pin 3d is used for centring a marker ring 18 with a marker tab 18a which is associated with a further adjustment wheel 19 which has a setting rim 19a and is located above the intermediate base plate 3a.
  • This adjustment wheel 19 is substantially of the same construction as the adjustment wheel 14, only its external diameter being smaller so as to allow both adjustment wheels and the switching elements 6 to 10 to be reached and actuated without difficulty. In this case, too, there remains visible an outer edge region of the intermediate base plate 3a which is provided with a scale 20 facilitating setting of the desired value of a front mounted implement.
  • the marker ring 18 and the adjustment wheel 19 are also protected from accidental adjustment using friction linings 21, 22 abutting the intermediate base plate 3a and the housing part 4 respectively.
  • the adjustment wheel 19 is connected to a potentiometer 24 via an actuating shaft 23 mounted in the pin 3d.
  • the potentiometer is fastened to the inside of an upper housing part 4 which, together with the outer surfaces of the central and lower housing parts 2, 3, forms a spherically shaped hand rest at least in the upper portion. So as to allow a large portion of the circumference of the upper adjustment wheel 19 to be accessible for adjustment, the lateral extent of the upper housing part 4 decreases upwardly, starting from the lateral extent of the outer surface of the central housing portion 3 up to almost the external diameter of the adjustment wheel 19, thereby spanning said adjustment wheel in the manner of a dome.
  • the Control means is additionally provided with a hand rest sensor 25 for detecting whether operator's hand is placed on the upper housing part 4.
  • the sensor is installed inside the housing part 4 beneath the highest extent of the hand rest area and the sensing head penetrates the top wall of the upper housing part 4 and must be sealed towards the housing parts to avoid water or dirt impact on any inside parts.
  • the hand rest sensor 25 can work according different principles to detect the hand, For example, the sensor may sence the presence of the hand by sensing :-
  • buttons can be activated (depending on the tractor configuration):
  • the other control elements 8 (which stops all functions) and 14, 19 (which change the setpoints for the lifting units) can be activated without positive recognition of the presence of a hand by the sensor 25.
  • control means includes two adjustment wheels 14 and 19, only one adjustment wheel and associated marker ring and scale may be used in some installations.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Agricultural Machines (AREA)
EP07003389A 2007-02-19 2007-02-19 Moyen de commande de tracteur Withdrawn EP1959329A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07003389A EP1959329A1 (fr) 2007-02-19 2007-02-19 Moyen de commande de tracteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07003389A EP1959329A1 (fr) 2007-02-19 2007-02-19 Moyen de commande de tracteur

Publications (1)

Publication Number Publication Date
EP1959329A1 true EP1959329A1 (fr) 2008-08-20

Family

ID=38229901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07003389A Withdrawn EP1959329A1 (fr) 2007-02-19 2007-02-19 Moyen de commande de tracteur

Country Status (1)

Country Link
EP (1) EP1959329A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010103221A1 (fr) * 2009-03-12 2010-09-16 Dura Automotive Systems Sas Dispositif d'activation d'un ecran tactile
FR2981095A1 (fr) * 2011-10-11 2013-04-12 Manitou Bf Dispositif de commande a fonctions multiples comportant une conformation d'interaction avec la paume de la main d'un operateur
US10053346B2 (en) 2015-01-29 2018-08-21 Crown Equipment Corporation Control module and palm rest for a materials handling vehicle
CN110446993A (zh) * 2017-03-02 2019-11-12 利奥波德·科世达责任有限股份公司 操作元件
EP3936968A1 (fr) * 2020-07-06 2022-01-12 Grammer Ag Dispositif de direction pour véhicules
EP4159586A1 (fr) * 2021-09-30 2023-04-05 Grammer Ag Dispositif pour véhicules pour effectuer un mouvement de direction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8905298U1 (fr) * 1989-04-26 1989-06-15 T.E.A. Di Meliconi D. & C. S.N.C., Gaglianico, Vercelli, It
US5396222A (en) * 1993-03-25 1995-03-07 United States Surgical Corporation Ergonomic machine actuator
DE19642994A1 (de) * 1996-10-18 1998-04-30 Klaus Wolter Multifunktionssteuerknüppel
DE19934186A1 (de) * 1999-07-21 2001-01-25 Wacker Werke Kg Bedienungsvorrichtung mit Lichtdetektor
US20020157498A1 (en) * 2001-04-26 2002-10-31 Black Phillip John Split grip control lever for heavy machinery
US6590171B1 (en) * 2002-07-02 2003-07-08 Itt Manufacturing Enterprises, Inc. Hand control for machinery
DE202006002969U1 (de) * 2005-11-08 2006-05-11 Agco Gmbh Steuereinrichtung für Nutzfahrzeuge

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8905298U1 (fr) * 1989-04-26 1989-06-15 T.E.A. Di Meliconi D. & C. S.N.C., Gaglianico, Vercelli, It
US5396222A (en) * 1993-03-25 1995-03-07 United States Surgical Corporation Ergonomic machine actuator
DE19642994A1 (de) * 1996-10-18 1998-04-30 Klaus Wolter Multifunktionssteuerknüppel
DE19934186A1 (de) * 1999-07-21 2001-01-25 Wacker Werke Kg Bedienungsvorrichtung mit Lichtdetektor
US20020157498A1 (en) * 2001-04-26 2002-10-31 Black Phillip John Split grip control lever for heavy machinery
US6590171B1 (en) * 2002-07-02 2003-07-08 Itt Manufacturing Enterprises, Inc. Hand control for machinery
DE202006002969U1 (de) * 2005-11-08 2006-05-11 Agco Gmbh Steuereinrichtung für Nutzfahrzeuge

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010103221A1 (fr) * 2009-03-12 2010-09-16 Dura Automotive Systems Sas Dispositif d'activation d'un ecran tactile
FR2943160A1 (fr) * 2009-03-12 2010-09-17 Dura Automotive Systems Sas Dispositif d'activation d'un ecran tactile
FR2981095A1 (fr) * 2011-10-11 2013-04-12 Manitou Bf Dispositif de commande a fonctions multiples comportant une conformation d'interaction avec la paume de la main d'un operateur
US10053346B2 (en) 2015-01-29 2018-08-21 Crown Equipment Corporation Control module and palm rest for a materials handling vehicle
CN110446993A (zh) * 2017-03-02 2019-11-12 利奥波德·科世达责任有限股份公司 操作元件
EP3936968A1 (fr) * 2020-07-06 2022-01-12 Grammer Ag Dispositif de direction pour véhicules
US11609594B2 (en) 2020-07-06 2023-03-21 Grammer Ag Steering device for vehicles
EP4159586A1 (fr) * 2021-09-30 2023-04-05 Grammer Ag Dispositif pour véhicules pour effectuer un mouvement de direction

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