EP1558980B1 - Bedienungshandgriff für elektrohydraulische vorrichtung - Google Patents

Bedienungshandgriff für elektrohydraulische vorrichtung Download PDF

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Publication number
EP1558980B1
EP1558980B1 EP03782515A EP03782515A EP1558980B1 EP 1558980 B1 EP1558980 B1 EP 1558980B1 EP 03782515 A EP03782515 A EP 03782515A EP 03782515 A EP03782515 A EP 03782515A EP 1558980 B1 EP1558980 B1 EP 1558980B1
Authority
EP
European Patent Office
Prior art keywords
power
handle
signal
cursor
electrohydraulic device
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.)
Expired - Lifetime
Application number
EP03782515A
Other languages
English (en)
French (fr)
Other versions
EP1558980A1 (de
Inventor
Didier Merletti
Xavier Roussin
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.)
Bosch Rexroth DSI SAS
Original Assignee
Bosch Rexroth DSI SAS
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 Bosch Rexroth DSI SAS filed Critical Bosch Rexroth DSI SAS
Publication of EP1558980A1 publication Critical patent/EP1558980A1/de
Application granted granted Critical
Publication of EP1558980B1 publication Critical patent/EP1558980B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • 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
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G9/04785—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks the controlling member being the operating part of a switch arrangement
    • G05G9/04788—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks the controlling member being the operating part of a switch arrangement comprising additional control elements
    • 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
    • G05G9/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/04774—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks with additional switches or sensors on the handle
    • 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
    • Y10T74/20201—Control moves in two planes

Definitions

  • the present invention relates to a manipulator control handle for controlling at least one electrohydraulic device.
  • the invention relates to the control handles installed on public works machinery to control at least one of the movements of these machines.
  • the setpoint signal delivered by the setpoint generator is of a power too low to be usable in the state in the control of the electrohydraulic device. It is therefore necessary to implement an intermediate electronic stage between the control handle and the electrohydraulic device to transform the reference signal into a power signal that can control said device.
  • Such an intermediate electronic stage is currently directly implanted in the vicinity of the electrohydraulic device, or even located in any position, on board the machine, between the control handle usually located in the operator's cabin, and the electrohydraulic device for example implanted in the vicinity of rotating parts of the machine.
  • electrohydraulic devices are located in locations where the temperature, humidity, oil projection, or even vibrations are high.
  • the intermediate electronic board is exposed to the same constraints so that the operation of the assembly can be affected.
  • the reference signal generated by the control handle must be transported to the location of the electronic card intermediate. As the power of the setpoint signal is low, this signal can be affected by the electromagnetic disturbances during its transport. The control of the electrohydraulic device can thus be affected.
  • US 5293900 discloses a manipulator according to the preamble of claim 1.
  • This document describes a manipulator comprising a handle and a base portion on which is mounted the handle in which is performed a detection of the movement of the handle by electrical means and an amplification of the signal by a power card.
  • Such a manipulator structure effectively makes it possible to amplify the signal near the setpoint generator.
  • this structure can not be used in the case of hydraulic manipulators including a sensor of the movement of the hydraulic type handle.
  • the technical problem underlying the invention is therefore to provide a hydraulic type of manipulator with an electric power amplification for electrical setpoint generators, while maintaining a simple assembly of the manipulator.
  • the subject of the present invention is a manipulator according to claim 1.
  • the control handle 1 shown in the figures is a handle intended to be mounted on the manipulators of public works machinery. These manipulators are generally intended to control fluid dispensing devices 2 known in themselves and which are commonly encountered on board public works machinery to control the movements of these machines.
  • the control of the fluid distributor 2 is for example carried out by means of electrohydraulic devices 3 and 4.
  • the manipulators are hydraulic.
  • the electrohydraulic devices 3 and 4 may for example be pressure reducers controlled by a solenoid.
  • these reducers each receive a power signal P 1 and P 2 which are directly supplied to them by the control handle 1.
  • control handle 1 is constituted in a manner known per se of an envelope 5 which internally delimits a cavity 6.
  • This envelope generally takes the form of a shell whose shape is ergonomic to be easily manipulated by the operator.
  • the control handle 1 generally comprises a setpoint generator 7 which has, on the one hand, generator means 8 capable of delivering a setpoint signal and, on the other hand, slider means 9 which are intended to be actuated by the operator of the public works machinery on which is installed the handle.
  • the reference generating means 8 are located inside the shell 5, in the cavity 6, and deliver a setpoint signal through a cable 10.
  • the slider means 9 are located outside the cavity 6, on the surface of the envelope 5, and are actuated by the operator to modulate the setpoint signal.
  • the slider means 9 are generally moved independently to the general movement of the handle 1.
  • the slider means 9 have for example a rotational movement.
  • these slider means may have a linear motion.
  • the value of the reference signal is proportional to the displacement of the slider means 9.
  • control handle 1 further comprises a power electronic card 15 which converts the reference signal into a power signal P 1 or P 2 which is delivered to the electrohydraulic devices 3 and 4.
  • the power electronic card 15 is directly implanted in the cavity 6 of the envelope 5, downstream of the reference generator 7 and delivers the power signal through a power cable 16 which extends from the envelope 5, towards pressure reducers 3 and 4 located in the vicinity of the moving parts of the public works machine.
  • the power electronic board 15 increases the power of the setpoint signal delivered by the setpoint generator 7 so that the power signal leaving the handle 1 through the power cable 16 is directly usable to control the electrohydraulic devices downstream. .
  • the control handle 1 thus makes it possible to generate a power signal which is not affected by electromagnetic disturbances.
  • the power electronic card 15 is protected by the envelope 5 of the handle 1 which is itself implanted in the operator's cabin in which prevail less restrictive conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Manipulator (AREA)
  • Control Of Eletrric Generators (AREA)
  • Feedback Control In General (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Mechanically-Actuated Valves (AREA)

Claims (8)

  1. Manipulator zum Steuern mindestens einer elektrohydraulischen Vorrichtung (3, 4), insbesondere für Tiefbaumaschinen, der folgendes umfasst:
    - einen vom Bedienungsmann zu betätigenden Bedienungshandgriff, bestehend aus:
    - einem Mantel (5), der im Inneren einen Hohlraum (6) begrenzt,
    - mindestens einem Einstellwert-Geber, der Vorrichtungen (8) umfasst, die ein Einstellwert-Signal abgeben und die sich im Hohlraum des Mantels befinden, und einen Gleitkontakt (9) bildende Mittel, die sich an der Oberfläche des Mantels befinden und die dazu bestimmt sind, von einem Bedienungsmann betätigt zu werden, wobei der Wert des abgegebenen Einstellwert-Signals, um die elektrohydraulische Vorrichtung (3, 4) zu steuern, in Beziehung steht mit der Verschiebung der einen Gleitkontakt (9) bildenden Mittel, und
    - eine elektronische Leistungsplatine (15), die die Stärke des vom Einstellwert-Geber (7) abgebenden Einstellwert-Signals erhöht, wobei diese Platine (15) das Einstellwert-Signal in ein Leistungssignal umwandelt, dessen Stärke größer ist als die Stärke des Einstellwert-Signals und das dazu bestimmt ist, an die elektrohydraulische Vorrichtung (3, 4) abgegeben zu werden,
    dadurch gekennzeichnet, dass
    der Manipulator hydraulisch ist,
    die elektronische Leistungsplatine (15) in den Hohlraum (6) des Mantels (5) des Handgriffs integriert ist,
    diese Platine das Leistungssignal durch ein Leistungskabel 16 abgibt, das aus dem Handgriff herauskommt und von Mantel (5) aus zur elektrohydraulischen Vorrichtung (3, 4) hinführt,
    das Leistungssignal, das aus dem Handgriff (1) durch das Leistungskabel (16) austritt, direkt verwendet werden kann, um die nachfolgend angeordnete elektrohydraulische Vorrichtung (3, 4) zu steuern.
  2. Manipulator nach Anspruch 1, bei dem die Verschiebung der den Gleitkontakt (9) bildenden Mittel des Einstellwert-Gebers (7) unabhängig ist von der Bewegung des Handgriffs (1).
  3. Manipulator nach Anspruch 1 oder 2, bei dem die Verschiebung der den Gleitkontakt (9) bildenden Mittel linear erfolgt.
  4. Manipulator nach Anspruch 1 oder 2, bei dem die Verschiebung der den Gleitkontakt (9) bildenden Mittel drehend erfolgt.
  5. Manipulator nach einem der Ansprüche 1 bis 4, bei dem der Wert des Einstellwert-Signals proportional ist zur Verschiebung der den Gleitkontakt (9) bildenden Mittel.
  6. Manipulator nach einem der Ansprüche 1 bis 5, bei dem die elekrohydraulische Vorrichtung (3, 4) einen Druckminderer umfasst.
  7. Manipulator nach einem der Ansprüche 1 bis 6, bei dem das vom Handgriff (1) abgegebene Leistungssignal ein Signal mit Pulsbreiten-Modulation ist.
  8. Manipulator nach einem der Ansprüche 1 bis 6, bei dem das vom Handgriff (1) abgegebene Leistungssignal ein Signal mit aufgeprägter Überlagerung ist.
EP03782515A 2002-11-07 2003-11-05 Bedienungshandgriff für elektrohydraulische vorrichtung Expired - Lifetime EP1558980B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0213944 2002-11-07
FR0213944A FR2847068A1 (fr) 2002-11-07 2002-11-07 Poignee de commande pour dispositif electrohydraulique
PCT/FR2003/003304 WO2004044669A1 (fr) 2002-11-07 2003-11-05 Poignée de commande pour dispositif électrohydraulique

Publications (2)

Publication Number Publication Date
EP1558980A1 EP1558980A1 (de) 2005-08-03
EP1558980B1 true EP1558980B1 (de) 2007-04-25

Family

ID=32116446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03782515A Expired - Lifetime EP1558980B1 (de) 2002-11-07 2003-11-05 Bedienungshandgriff für elektrohydraulische vorrichtung

Country Status (8)

Country Link
US (1) US20060053925A1 (de)
EP (1) EP1558980B1 (de)
JP (1) JP2006509640A (de)
AT (1) ATE360848T1 (de)
AU (1) AU2003290152A1 (de)
DE (1) DE60313485T2 (de)
FR (1) FR2847068A1 (de)
WO (1) WO2004044669A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2905482B1 (fr) * 2006-09-05 2009-07-03 Bosch Rexroth D S I Soc Par Ac Poignee pour une telecommande d'engin mobile, en particulier engin de travaux publics, engin agricole ou de manutention.
CN103617900B (zh) * 2013-11-07 2015-12-02 中联重科股份有限公司 手柄安全操作控制方法、装置及系统
US10301009B2 (en) * 2016-08-26 2019-05-28 Kitty Hawk Corporation Aircraft hand controller with decoupled throttle
US11268262B2 (en) 2020-02-11 2022-03-08 Cnh Industrial America Llc Interchangeable multi-function handle for a work vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386553A (en) * 1980-10-27 1983-06-07 The Bendix Corporation Control system for doser actuator
DE4109233A1 (de) * 1991-03-21 1992-09-24 Rexroth Mannesmann Gmbh Digitale ansteuerelektronik mit pulsweitenmoduliertem (pwm)-ausgangssignal zum ansteuern elektrischer stellglieder eines hydraulischen systems
US5293900A (en) * 1992-09-30 1994-03-15 Hydro Electronic Devices Inc. (Hed) Joystick with contactless direct drive device
US5675609A (en) * 1995-05-26 1997-10-07 Dakota Research, Inc. Sinusoidal pulse and pulse train signaling apparatus
USH1831H (en) * 1998-12-18 2000-02-01 Caterpillar Inc. Ergonomic motor grader vehicle control apparatus
JP3664665B2 (ja) * 2001-06-01 2005-06-29 株式会社カワサキプレシジョンマシナリ ジョイスティック装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP1558980A1 (de) 2005-08-03
JP2006509640A (ja) 2006-03-23
FR2847068A1 (fr) 2004-05-14
AU2003290152A1 (en) 2004-06-03
WO2004044669A1 (fr) 2004-05-27
US20060053925A1 (en) 2006-03-16
DE60313485T2 (de) 2007-09-06
ATE360848T1 (de) 2007-05-15
DE60313485D1 (de) 2007-06-06

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