EP0160719A1 - Dispositif de réglage à levier unique - Google Patents

Dispositif de réglage à levier unique Download PDF

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Publication number
EP0160719A1
EP0160719A1 EP84105076A EP84105076A EP0160719A1 EP 0160719 A1 EP0160719 A1 EP 0160719A1 EP 84105076 A EP84105076 A EP 84105076A EP 84105076 A EP84105076 A EP 84105076A EP 0160719 A1 EP0160719 A1 EP 0160719A1
Authority
EP
European Patent Office
Prior art keywords
lever
actuator
lever arm
clutch
pivot axis
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
Application number
EP84105076A
Other languages
German (de)
English (en)
Other versions
EP0160719B1 (fr
Inventor
Bernd Rabe
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.)
Deere and Co
Original Assignee
Deere 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 Deere and Co filed Critical Deere and Co
Priority to EP84105076A priority Critical patent/EP0160719B1/fr
Priority to DE8484105076T priority patent/DE3479354D1/de
Priority to US06/725,182 priority patent/US4641545A/en
Priority to CA000480188A priority patent/CA1243586A/fr
Priority to DK198885A priority patent/DK198885A/da
Priority to BR8502108A priority patent/BR8502108A/pt
Priority to ES542826A priority patent/ES8606685A1/es
Publication of EP0160719A1 publication Critical patent/EP0160719A1/fr
Application granted granted Critical
Publication of EP0160719B1 publication Critical patent/EP0160719B1/fr
Expired 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
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/08—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlled members being actuated successively by progressive movement of the controlling member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20073—Control of plural mechanisms [e.g., control of transmission and control of 4 - wheel drive]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20213—Interconnected
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20582—Levers
    • Y10T74/2063—Stops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y10T74/20672—Lever engaging rack
    • Y10T74/20696—Finger lever release
    • Y10T74/20702—Slidable

Definitions

  • the invention relates to a single-lever actuating device with a pivotably mounted, at least one guideway, lever against an abutment and a pivotably mounted actuator with a cam following the guideway, switching operations on the actuating device being assigned via the actuating path of the lever and the actuating member Work organs or drive devices are feasible.
  • a single-lever adjusting device of the type mentioned at the outset is already known (DE-AS 1 962 108), which is equipped with a lever arm and a rocker arm connected to it, which is pivotably mounted in a holder. Control elements are connected to the lever and to the rocker arm, via which switching functions can be triggered on a working device. With such an actuating device, however, only relatively few switching operations can be carried out, so that this device can only be used to a small extent.
  • the object of the invention is to design and arrange an actuating device in such a way that a relatively large number of switching functions can be triggered on working elements using only a few components.
  • This object has been achieved in that the guideway of the actuator lies on a circular arc arranged concentrically to the pivot axis of the actuator and an adjoining curved path, the radius of which changes continuously with respect to the pivot axis of the actuator. Due to the advantageous design and arrangement of the single-lever adjusting device using a guideway with different radii, various switching functions on a transmission or on a hydraulic motor can be triggered in a simple manner while by the actuator can trigger a further switching function, for example for a reversing gear.
  • the lever is connected via a first actuating part to switching parts of a first clutch and the actuating element via a second actuating part to a second clutch and via a third actuating part to a control valve of a hydraulic working element.
  • the actuator is pivotally mounted on a bracket and is arranged with its pivot axis at a distance from the pivot axis of the lever also mounted on a bracket and that the actuator is designed as a two-armed lever arm and that the one lever arm has a guideway designed as a guide slot and the other lever arm is connected to the second clutch via the second actuating part. Since the actuator is designed as a two-armed lever arm, one lever arm can be easily connected to an operating element for actuating a clutch and the other lever arm with the guide. equip train, so that the actuator is easily guided over the lever.
  • lever arm of the actuator having the guide slot is larger than the second lever arm of the actuator and the center of mass of the larger lever arm lies above the pivot axis of the actuator. It is also advantageous that the actuator for the control valve is connected to the larger lever arm.
  • latching points are provided for receiving a pawl pivotably mounted on the lever and that between two End positions of the lever each have a locking point designed as a groove and that between the two locking points there is provided an abutment designed as a knob, against which the pawl can be brought into contact when the lever is pivoted in the direction of the small lever arm, with a stop at a distance from the abutment is provided, which forms a passage path for the pawl with the abutment.
  • the lever Since the lever is pivoted from its working position, in which the one gearbox is switched on, into its second working position, it is advantageous that it is not easily pivoted into the second working position.
  • the pivoting movement of the lever is briefly interrupted during this actuation process, namely until the pawl is raised and pivoted behind the stop, thus releasing the lever's travel. This ensures that the drive direction, which is set to forward travel, is changed over to backward travel with a time delay.
  • the lever for receiving a linkage connected to the pawl has an axial bore and a spring is provided on the linkage between the pawl and the lower end of the lever and that the lever is extended beyond its pivot axis and has a small lever arm connected to the first actuating element, which acts against the Effect of a spring is adjustable. It is also advantageous that the cam is fixedly connected to the lever arm and that the distance between the cam track of part of the guide slot and the pivot axis of the lever is continuously smaller.
  • the opposite ends of the guide slot can be contact points for the cam and that the lever can be fixed in three positions, the clutch for driving the cutting mechanism and a feeder of a combine harness being engaged in one position and in the second and third position this clutch is disengaged, in the third position of the lever the actuator engages the second clutch actuated by it for a reversing gear and thus the drive for an inclined conveyor element can be switched to return.
  • Due to the cam arranged on the lever arm and the slot guide provided in the actuating part a forced guidance for the actuating part is obtained in a simple manner, which is only adjusted with the lever for a certain actuating path.
  • the pivot points of the lever can also be limited in a simple manner by the stop points provided in the slot guide.
  • the single-lever adjusting device with the associated parts can be used in a simple manner for a combine harvester that has an inclined conveyor in its harvesting device, which can be equipped with an elevator conveyor.
  • the elevator conveyor can be easily switched on and switched off in the event of blockages and then driven in reverse, so that the blockages that occur in the inclined conveyor housing can be eliminated.
  • 10 in FIG. 1 denotes a single-lever adjusting device for switching two clutches (not shown in the drawing) and the hydraulic motor of a motor vehicle, for example a combine harvester.
  • the single-lever adjusting device consists of a lever 12 which is formed from a cylindrical tube 14 which is fixedly arranged on a lever arm 16.
  • a holder 18 is provided in the combine harvester on which the lever arm 16 is mounted by means of a pivot pin 20.
  • a second lever arm or an adjusting part 22 connects to the lever arm 16 and is connected to a clutch, not shown in the drawing.
  • the clutch is located between the cutting unit, also not shown in the drawing, and a belt transmission, which is connected to the internal combustion engine of the combine harvester via further belt transmissions.
  • the lever 12 In the position shown in FIG. 1, the lever 12 is in its neutral position, ie the clutch which can be actuated via the actuating part 22 is disengaged, so that the drive for the cutting mechanism is interrupted.
  • a second bracket 24 provided in the combine harvester serves to pivotally accommodate an actuator 26, which for this purpose is connected to the neck via a pivot pin 28 24 is connected.
  • the control part 26 is also formed as two-armed lever arm, said lower smaller lever arm 30 is connected to an adjusting part or shifter 32, a clutch also not shown in the drawing can be actuated via the, the uh- between the drive shaft of the inclined conveyor for a M thresher and a belt gear or chain gear is arranged. If the lever 12 assumes the position shown in FIG. 1, the clutch which can be actuated via the actuating part 32 is also disengaged and the drive for the inclined conveyor is interrupted.
  • the upper lever arm 34 connected to the lever arm 30 consists of a circular arc segment with an outer guideway 36, in which two grooves 38 and 40 arranged at a distance from one another are embedded.
  • One groove 40 is located between the pivot pin 28 and an abutment 42 protruding from the guideway 36, against which a pawl 44 pivotably mounted on the lever arm 16 can be brought into contact.
  • a third groove can also be provided in addition to the groove 40.
  • the pawl 44 is fastened on one side of the lever arm 16 by means of a bolt 46.
  • the free end of the abutment 42 consists of an inwardly bent nose 48, which comes to bear against the abutment 42 in the neutral position of the single-lever adjusting device 10.
  • the nose 48 opposite end of the pawl 44 is movably connected to a linkage 50 which is slidably received in the tube 14 of the lever 12 and has an operating button 52 at its upper end, via which the lever 12 pivots about its pivot pin 28 and over which the linkage 50 can be adjusted in the axial direction of the tube 14.
  • the control button 52 has a projection 54 which projects into the upper end of the tube 14 and thus radially fixes the linkage 50 in the tube 14.
  • a tension spring 56 which Pawl 44 is pivoted upward and presses the nose 48 into the groove 38 or 40 or against the surface of the guideway 36.
  • a stop 49 In the area of the abutment 42 there is a stop 49, against which the nose 48 comes to rest and which prevents further adjustment of the lever 12 when the nose 48 has been pivoted upwards via the pawl 44.
  • the stop 49 is arranged at a distance from the guideway 36 such that the nose 48 can move through the space (see arrow 80) between the stop 49 and the guideway 36 up to the abutment 42. This ensures that the lever 12 can not be easily adjusted from its position II beyond the position I. Only when the nose 48 comes to bear against the abutment 42 can the nose 48 be pivoted upward behind the stop 49 via the pawl 44 and then the lever 12 can be brought into position III.
  • a guide slot 60 is provided in the curved lever arm 34 concentrically with the guide track 36 and serves to receive a cam or a roller 62 arranged on the lever arm 16.
  • the roller 62 is secured by means of a screw bolt 64 and a guide disk 68 running along the outside of the lever arm 34, so that the roller 62 cannot be guided out of the side of the guide slot 60.
  • the guide slot 60 provided in the lever arm 34 consists of two curve sections 70 and 72.
  • the curve section 70 extends between the lower end face 74 of the lever arm 34 and the groove 38.
  • the curve section 70 is arranged concentrically with the pivot axis of the pivot pin 28.
  • the radius for the curve section 70 is indicated by R 1 in FIG. 1.
  • the curve section 70 is followed by a smaller curve section 72, the radius R 2 of which continuously decreases between the points A and B with respect to the pivot axis of the pivot pin 28. If, for example, the roller 62 is moved out of the curve section 70 into the curve section 72, then the actuator 26 is automatically adjusted and thus at the same time the lever arm 30 and the actuator 32 connected to the lever arm for actuating the clutch. The actuator 26 is therefore positively guided via the lever 12.
  • the lever arm 34 also engages between the pivot pin 28 of the actuator 26 and the roller 62, a third actuator or a shift cable 76 which is automatically adjusted when the actuator 26 is adjusted.
  • the directional control valve of a hydraulic motor for the return or the reversing of the inclined conveyor and the cutting mechanism can be influenced via the adjusting part 76.
  • a tension spring 78 is provided, which pivots the actuating part 22 in the counterclockwise direction and thereby presses the nose 48 against the abutment 42, so that the lever 12 is its in Fig. 1 shown neutral position I maintains.
  • FIG. 3 The various positions of the lever 12 are shown in FIG. 3.
  • I shows the neutral position, II the operating position of the cutting unit and the feeder for the cutting device of the combine harvester and III the reversing position. If the lever 12 is to be pivoted from its neutral position I into the operating position II, it only needs to be pulled upwards, the nose 48 of the pawl sliding along the guide track 36 until it engages in the groove 38 of the actuator 26.
  • the clutch for the cutting mechanism and the inclined conveyor is engaged so that the drive to the traction mechanism drive driven by the internal combustion engine is produced and the cutting mechanism and inclined conveyor can operate normally.
  • the lever 12 can be moved from its operating position II to the reverse position III.
  • the pawl 44 is pressed down via the control button 52 so that the nose 48 releases the groove 38.
  • a direct adjustment of the lever 12 from position II to position III is to be prevented.
  • the abutment 42 is provided on the guide track 36, against which the pawl 44 comes to rest.
  • the stop 49 prevents when the lever 12 is pivoted from the operating position II into the reversing position III that the lever 12 can only be pivoted beyond this position after a brief stop in the neutral position I, since even with the nose 48 pivoted completely upwards, this counter the stop 49 would come to rest. Only when the nose 48 comes to rest against the abutment 42 can the nose 48 be pivoted completely upward behind the stop 49 via the pawl 44 and thus the lever 12 can be adjusted to the position III. In this way, damage to the drive device and to the reversing gear mechanism can be eliminated, since it is impossible to move too quickly from position II to position III or vice versa.
  • the cam or the roller 62 is also moved into the curve section 72 of the guide slot 60 and the actuator 26 is thus also automatically adjusted.
  • the directional control valve associated with the control part 76 is adjusted into a flow position via the control part 76, so that the hydraulic motor for driving the reversing gear can be supplied with pressure medium.
  • the clutch between the reversing gear and the shaft or on the drive device for the cutting mechanism and for the feeder is engaged, so that the cutting unit and the feeder can be driven in reverse and thus the material jam in the feeder housing can dissolve.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Harvester Elements (AREA)
  • Mechanical Control Devices (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
EP84105076A 1984-05-05 1984-05-05 Dispositif de réglage à levier unique Expired EP0160719B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP84105076A EP0160719B1 (fr) 1984-05-05 1984-05-05 Dispositif de réglage à levier unique
DE8484105076T DE3479354D1 (en) 1984-05-05 1984-05-05 Single lever setting device
US06/725,182 US4641545A (en) 1984-05-05 1985-04-19 Single lever control arrangement
CA000480188A CA1243586A (fr) 1984-05-05 1985-04-26 Commande monobras
DK198885A DK198885A (da) 1984-05-05 1985-05-02 Etgrebs-indstillingsindretning
BR8502108A BR8502108A (pt) 1984-05-05 1985-05-03 Instalacao de comando de alavanca unica
ES542826A ES8606685A1 (es) 1984-05-05 1985-05-03 Dispositivo de ajuste de una sola palanca,en particular paratransmisiones o motores hidraulicos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84105076A EP0160719B1 (fr) 1984-05-05 1984-05-05 Dispositif de réglage à levier unique

Publications (2)

Publication Number Publication Date
EP0160719A1 true EP0160719A1 (fr) 1985-11-13
EP0160719B1 EP0160719B1 (fr) 1989-08-09

Family

ID=8191926

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105076A Expired EP0160719B1 (fr) 1984-05-05 1984-05-05 Dispositif de réglage à levier unique

Country Status (7)

Country Link
US (1) US4641545A (fr)
EP (1) EP0160719B1 (fr)
BR (1) BR8502108A (fr)
CA (1) CA1243586A (fr)
DE (1) DE3479354D1 (fr)
DK (1) DK198885A (fr)
ES (1) ES8606685A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4966044A (en) * 1989-05-30 1990-10-30 J. I. Case Company Directional control system for a tractor transmission
WO1995013933A1 (fr) * 1993-11-15 1995-05-26 Scandmec Ab Dispositif d'actionnement
US5727426A (en) * 1996-04-12 1998-03-17 Case Corporation Mechanism for selecting limits of travel of a lever
US6047609A (en) * 1998-09-04 2000-04-11 Brunswick Corporation Remote control mechanism
ES2160511B1 (es) * 1999-09-06 2002-06-01 Batz S Coop Tensor de cable.
IT1314157B1 (it) * 1999-11-11 2002-12-04 New Holland Italia Spa Dispositivo di comando per veicoli, in particolare per veicoliagricoli.
DE102004005001A1 (de) * 2004-01-30 2005-08-18 Robert Bosch Gmbh Betätigungselement für eine Aufladeeinrichtung an Verbrennungskraftmaschinen
US7458438B2 (en) * 2004-10-15 2008-12-02 Kubota Corporation Working vehicle with a speed maintaining apparatus
US7878558B1 (en) 2006-10-26 2011-02-01 William Russell Bell Gate latch
WO2010043030A1 (fr) * 2008-10-14 2010-04-22 Magna Seating Inc. Appuie-tête et poignée plate de rangement de siège
US9074648B2 (en) 2012-10-12 2015-07-07 Steelcase Inc. Braking mechanism
US9579241B2 (en) 2012-10-12 2017-02-28 Steelcase Inc. Support arrangement with activation mechanism
KR20140130790A (ko) * 2013-05-02 2014-11-12 경창산업주식회사 시프트 바이 와이어 방식의 자동변속기의 주차모드 수동 해제 장치에 사용되는 케이블 당김 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586367A (fr) * 1968-06-17 1970-02-20
DE1962108A1 (de) * 1968-12-13 1970-07-02 North American Rockwell Einhebelsteuervorrichtung
US4106604A (en) * 1976-12-20 1978-08-15 Nippon Cable System Inc. Control unit for throttle and clutches
US4119186A (en) * 1977-02-28 1978-10-10 Outboard Marine Corporation Single lever control having a throttle warm-up lever

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394985A (en) * 1944-06-13 1946-02-19 Deere & Co Lever
US3085447A (en) * 1960-09-06 1963-04-16 Robert R Shay Single stick boat control
US3134269A (en) * 1962-04-09 1964-05-26 Outboard Marine Corp Single lever control
US3153945A (en) * 1963-03-11 1964-10-27 Robert E Smalley Shift and throttle control unit for outboard motors
GB1023296A (en) * 1964-03-18 1966-03-23 Morris Motors Ltd Remote control mechanism for reversing-gearing
US3250350A (en) * 1964-04-30 1966-05-10 Outboard Marine Corp Single lever control for clutch and motor
US4140027A (en) * 1977-07-13 1979-02-20 Caterpillar Tractor Co. Lever mechanism
US4215771A (en) * 1978-03-08 1980-08-05 J. I. Case Company Single lever control system
FR2489985B1 (fr) * 1980-09-06 1985-10-04 Massey Ferguson Services Nv Systeme de levier de commande notamment pour tige ou cable de bowden

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586367A (fr) * 1968-06-17 1970-02-20
DE1962108A1 (de) * 1968-12-13 1970-07-02 North American Rockwell Einhebelsteuervorrichtung
US4106604A (en) * 1976-12-20 1978-08-15 Nippon Cable System Inc. Control unit for throttle and clutches
US4119186A (en) * 1977-02-28 1978-10-10 Outboard Marine Corporation Single lever control having a throttle warm-up lever

Also Published As

Publication number Publication date
DK198885D0 (da) 1985-05-02
BR8502108A (pt) 1985-12-31
ES8606685A1 (es) 1986-04-16
CA1243586A (fr) 1988-10-25
ES542826A0 (es) 1986-04-16
DE3479354D1 (en) 1989-09-14
US4641545A (en) 1987-02-10
DK198885A (da) 1985-11-06
EP0160719B1 (fr) 1989-08-09

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