EP1199278A2 - Machine de travail mobile avec deux pupitres de commande - Google Patents

Machine de travail mobile avec deux pupitres de commande Download PDF

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Publication number
EP1199278A2
EP1199278A2 EP01124537A EP01124537A EP1199278A2 EP 1199278 A2 EP1199278 A2 EP 1199278A2 EP 01124537 A EP01124537 A EP 01124537A EP 01124537 A EP01124537 A EP 01124537A EP 1199278 A2 EP1199278 A2 EP 1199278A2
Authority
EP
European Patent Office
Prior art keywords
control
control panel
work machine
machine according
active state
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
EP01124537A
Other languages
German (de)
English (en)
Other versions
EP1199278A3 (fr
EP1199278B1 (fr
Inventor
Volker Dipl.-Ing. Haspel
Rolf Dipl.-Ing. Bez (Fh)
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.)
Still Wagner GmbH and Co KG
Original Assignee
Still Wagner GmbH and Co KG
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
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Application filed by Still Wagner GmbH and Co KG filed Critical Still Wagner GmbH and Co KG
Publication of EP1199278A2 publication Critical patent/EP1199278A2/fr
Publication of EP1199278A3 publication Critical patent/EP1199278A3/fr
Application granted granted Critical
Publication of EP1199278B1 publication Critical patent/EP1199278B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems

Definitions

  • the invention relates to a mobile machine, in particular an industrial truck at least two control panels, on which control elements for different Functions of the working machine are arranged, with at most one control panel is in the active state, while at the same time every further control panel is in inactive state, and being only the one on the active State control panel located controls can be operated effectively are.
  • Control panels On which at least partially Control elements for the same functions of the working machine are arranged.
  • the Control panels can be activated or deactivated alternately. This means, that the different functions of the industrial truck only work with those on the Active control panel arranged controls can be controlled.
  • the present invention has for its object a work machine to provide the type mentioned above, in which a switch between the control panels with a simple, according to the machine guidelines as "safe" to be classified.
  • An expedient development of the invention is that the Status signal outputs of the control panels connected to an electrical circuit having a control signal output having a first control signal value assumes when at most one control panel is in the active state, and the assumes a second control signal value when more than one control panel is in active state.
  • the electrical circuit processes the output values of the Status signal outputs of the control panels and generates a control signal from them, the value of which depends on whether the control panels are in a safe state, or not.
  • the safe state is defined so that at most a control panel is active.
  • the safe state is defined in such a way that exactly one control panel is active.
  • the status signal outputs are the Control panels connected to an electrical circuit that has a control signal output has a first control signal value if exactly one Control panel is in the active state, and a second control signal value assumes when no or more than one control panel is in the active state.
  • the most common application of the invention is when there are exactly two control panels are provided. The operator can therefore switch between two control panels and activate them mutually.
  • the electrical Circuit has at least two relays, each by a status signal output the control panels are switchable.
  • the output values of the status signal outputs can be defined, for example, so that a voltage value of 24V the active state and a voltage value of 0V the inactive state of a control panel signals. If a status signal output with the coil one Relay is connected, this remains at a voltage value of 0V in its Rest position and switches against a force at a voltage value of 24V Feather around.
  • the electrical circuit preferably has a parallel connection of in each case two Series switched relay contacts.
  • each branch of the parallel connection is one of the state signal output of the first control panel and one from the status signal output of the second control panel switchable relay contact arranged.
  • the four relay contacts are thus in the Parallel connection arranged crosswise. This can ensure that the electrical circuit is only continuous when the safe state is present and exactly one control panel is active.
  • the control signal output of the electrical circuit is direct or indirect with a Control device of the work machine connected.
  • the control device of the Work machine for example, be formed by an electronic control can, switches at a control signal value that corresponds to an unsafe state, functions of the industrial truck automatically.
  • control signal output is the electrical circuit via a dead man's switch with a control device Machine connected.
  • the industrial truck can only be operated if when the control signal output of the electrical control a safe state signaled and at the same time the dead man's switch is operated by the operator.
  • each control panel has an external signal transmitter, For example, a steering sensor assigned, the output signal is not the one with the Control panels connected digital computing unit is supplied.
  • the external Signal generator is arranged on the control panel, but its output signal is from evaluated by a separate computing unit.
  • an electrical circuit is provided, which is designed such that always the output signal of exactly one external signal generator of a control device Working machine is fed. After a correct switch between the Control panels, if exactly one control panel is active, is always the one on the active one Control panel arranged external signal transmitter connected to the control device.
  • the electrical circuit has at least one memory relay has that directly or indirectly through the state signal outputs of the Control panels are switchable.
  • the memory relay can be switched by two coils that directly or indirectly connected to the status signal outputs of the control panels are.
  • the memory relay has two switching positions, which defines it be controlled that one of the coils is energized, and the others don't. When each coil or no coil is energized, remains the memory relay in its previous switching position.
  • the memory relay can only change its switching position if exactly one control panel is in an active state.
  • the figure shows the electrical arrangement of two control panels BP1, BP2 Work machine, for example an industrial truck with a lifting driver's platform, with the associated electrical circuit S.
  • the control panels BP1 and BP2 point each have an activation element 1, 2 which can be actuated by an operator. By Operating the corresponding activation element 1, 2 specifies the operator which control panel BP1, BP2 should be put into the active state.
  • the Arithmetic units BP1, BP2, not shown exchange the computing units Information about the actuation of an activation element 1, 2 via the digital Signal line 3 off.
  • the software contained in the computing units the control panel BP1 in active State and the control panel BP2 in inactive state. Accordingly, the Status signal output 4 of the control panel BP1 is supplied with voltage and the Status signal output 5 of the control panel BP2 separated from the voltage source.
  • the electrical circuit S is initially without the integrated circuit Steering circuit L considered.
  • the circuit S comprises four relay contacts 6, 7, 8, 9, which are connected in pairs in parallel with a voltage source 10.
  • the Relay contacts 6, 7, 8, 9 are shown in their rest position and are switched, by the coils K1, K2 alternately assigned to them with voltage be charged.
  • the coil K1 from the status signal output 4 of the Control panels BP1 and the coil K2 from the status signal output 5 of the BP2 control panels can be energized.
  • the relay contacts 6 and 9 are through the coil K2 switchable, while the relay contacts 7 and 8 through the coil K1 are switchable.
  • a control signal output 11 of the electrical circuit S is energized when a control panel BP1 or BP2 is active and the other control panel BP2 or BP1 is not active. If both BP1 and BP2 are not active or both control panels BP1 and BP2 are active Control signal output 11 no voltage on.
  • the electrical circuit S embodies thus a logical exclusive-OR circuit.
  • the electrical circuit S has a steering circuit L, which essentially consists of a memory relay.
  • the memory relay has three Relay contacts 18, 19, 20 on; always common when the memory relay is actuated can be switched, which is symbolized by dashed lines.
  • the The memory relay of the steering circuit L is actuated by means of two coils 16, 17, which can be supplied with voltage via the relay contacts 6, 7.
  • the memory relay of the steering circuit L switched by applying voltage to the coil 17 and at the same time the Coil 16 is not applied. So that the memory relay in the other switching position switches, the coil 16 must be energized while at the same time the coil 17 is not acted upon.
  • control signal output 11 as a voltage source for a dead man's switch is used.
  • a power interruption by the electrical control S as a result incorrect switching of the control panels BP1, BP2 is then in a Control device of the working machine treated the same as one Dead man switch power cut.
  • control panels BP1, BP2 With regard to the information of the operator regarding the operating state of the Control panels BP1, BP2, it is useful if the control panels BP1, BP2 with a Optical signaling device is equipped, the active state of a control panel BP1, BP2 signaled.
  • the optical signal device can from the Control panels already existing display elements, or from an additional Lamp be formed. Additionally or alternatively, a successful and / or a unsuccessful switching between the control panels BP1, BP2 by an acoustic Signaling device can be signaled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
EP20010124537 2000-10-17 2001-10-12 Machine de travail mobile avec deux pupitres de commande Expired - Lifetime EP1199278B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000151449 DE10051449A1 (de) 2000-10-17 2000-10-17 Mobile Arbeitsmaschine mit zwei Bedienpulten
DE10051449 2000-10-17

Publications (3)

Publication Number Publication Date
EP1199278A2 true EP1199278A2 (fr) 2002-04-24
EP1199278A3 EP1199278A3 (fr) 2005-02-02
EP1199278B1 EP1199278B1 (fr) 2006-06-21

Family

ID=7660093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010124537 Expired - Lifetime EP1199278B1 (fr) 2000-10-17 2001-10-12 Machine de travail mobile avec deux pupitres de commande

Country Status (2)

Country Link
EP (1) EP1199278B1 (fr)
DE (2) DE10051449A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117302077A (zh) * 2023-11-29 2023-12-29 杭叉集团股份有限公司 一种拣选车安全控制方法、系统和装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6971470B2 (en) * 2003-07-31 2005-12-06 The Raymond Corporation Control system for material handling vehicle with dual control handles
DE102007018646A1 (de) 2007-04-19 2008-10-30 Liebherr-Werk Nenzing Gmbh Verfahren zum Steuern einer Lastbewegungsvorrichtung und Steuerung einer Lastbewegungsvorrichtung
DE102009043671A1 (de) 2009-10-01 2011-04-07 Krones Ag Vorrichtung zum Behandeln von Behältnissen mit mobiler Anzeige
DE102010047629A1 (de) 2010-10-06 2012-04-12 Kion Warehouse Systems Gmbh Mobile Arbeitsmaschine, insbesondere Flurförderzeug, mit mindestens zwei Bedieneinheiten

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231994A (ja) * 1983-06-14 1984-12-26 Shin Meiwa Ind Co Ltd 光信号による遠隔制御装置
US4566599A (en) * 1982-09-09 1986-01-28 Fmc Corporation Telecontrol system for cranes
JP2000086179A (ja) * 1998-09-09 2000-03-28 Nippon Yusoki Co Ltd リフトトラック

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59003715D1 (de) * 1990-08-16 1994-01-13 Abus Kransysteme Gmbh & Co Kg Funkfernsteuerung für Krananlagen.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566599A (en) * 1982-09-09 1986-01-28 Fmc Corporation Telecontrol system for cranes
JPS59231994A (ja) * 1983-06-14 1984-12-26 Shin Meiwa Ind Co Ltd 光信号による遠隔制御装置
JP2000086179A (ja) * 1998-09-09 2000-03-28 Nippon Yusoki Co Ltd リフトトラック

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN Bd. 0091, Nr. 06 (E-313), 10. Mai 1985 (1985-05-10) & JP 59 231994 A (SHINMEIWA KOGYO KK), 26. Dezember 1984 (1984-12-26) *
PATENT ABSTRACTS OF JAPAN Bd. 2000, Nr. 06, 22. September 2000 (2000-09-22) & JP 2000 086179 A (NIPPON YUSOKI CO LTD), 28. März 2000 (2000-03-28) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117302077A (zh) * 2023-11-29 2023-12-29 杭叉集团股份有限公司 一种拣选车安全控制方法、系统和装置
CN117302077B (zh) * 2023-11-29 2024-02-20 杭叉集团股份有限公司 一种拣选车安全控制方法、系统和装置

Also Published As

Publication number Publication date
EP1199278A3 (fr) 2005-02-02
DE10051449A1 (de) 2002-04-18
EP1199278B1 (fr) 2006-06-21
DE50110224D1 (de) 2006-08-03

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