EP1584756B1 - Système d'activation pour un système de contrôle d'appareil - Google Patents

Système d'activation pour un système de contrôle d'appareil Download PDF

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Publication number
EP1584756B1
EP1584756B1 EP05102479A EP05102479A EP1584756B1 EP 1584756 B1 EP1584756 B1 EP 1584756B1 EP 05102479 A EP05102479 A EP 05102479A EP 05102479 A EP05102479 A EP 05102479A EP 1584756 B1 EP1584756 B1 EP 1584756B1
Authority
EP
European Patent Office
Prior art keywords
switch
seat
swivel seat
work vehicle
swivel
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.)
Active
Application number
EP05102479A
Other languages
German (de)
English (en)
Other versions
EP1584756A3 (fr
EP1584756A2 (fr
Inventor
James Gerard Merten
Robert Joseph Hachmann
Bruce Allan Musmaker
Michael Gacioch
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
Publication of EP1584756A2 publication Critical patent/EP1584756A2/fr
Publication of EP1584756A3 publication Critical patent/EP1584756A3/fr
Application granted granted Critical
Publication of EP1584756B1 publication Critical patent/EP1584756B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools
    • E02F3/964—Arrangements on backhoes for alternate use of different tools of several tools mounted on one machine
    • 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
    • E02F9/2012—Setting the functions of the control levers, e.g. changing assigned functions among operations levers, setting functions dependent on the operator or seat orientation
    • 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
    • E02F9/24—Safety devices, e.g. for preventing overload

Definitions

  • the invention relates to a working vehicle, in particular backhoe bucket, with an activatable and deactivatable device control device, a pivotal seat, which has a first and a second pivoting seat position, means for determining the position of the pivoting seat, which indicate when the pivoting seat in the first, the second or a third pivot seat position is, wherein the third pivot seat position between the first and the second pivot seat position is an ignition switch, with which in a first switch position, an ignition and switched off in a second switch position, and at least one changeover switch for activating the device control device, which in a first and in a second changeover switch position is switchable and further a logic control unit is provided, which detects the switch positions of the individual switches.
  • Conventional backhoe control systems have floor-mounted hydraulic levers with appropriate shifting resistance and clearance from the pivotal seat to prevent accidental actuation. Some have rudimentary clearance facilities, such as an operator presence control to detect a weight on the vehicle seat to activate the conventional control systems. Others, in turn, have systems with pilot controls, which systems automatically activate and deactivate the pilot controls depending on the orientation of the vehicle seat, such that, for example, activation typically requires alignment of the vehicle seat with the lever assembly to be operated.
  • the US-B1-6 643 577 discloses a work vehicle having more than one work function.
  • the work vehicle has a swivel seat that allows an operator to assume various work positions.
  • the work vehicle has a control device with which corresponding work functions can be activated or deactivated via corresponding controls as a function of the position of the swivel seat.
  • the object underlying the invention is seen to provide a working vehicle of the type mentioned, by which the aforementioned problems are overcome.
  • a work vehicle of the type mentioned is designed such that an activation of the device control device only takes place when ideal or non-ideal activation conditions are present, ideal Activation conditions then exist when the ignition switch is in its first switch position and the at least one changeover switch is switched to its first changeover switch position, while the ignition switch is in its first switch position and the means for determining the position of the pivot seat indicate that the pivot seat is in its first and not in its second or third pivot position, and wherein non-ideal activation conditions are present when the ignition switch is in its first switch position and the at least one changeover switch is switched to its first changeover switch position, while the ignition switch is turned on and the means for determining the Specify position of the pivoting seat that the pivoting seat is not in its first pivotal position, further comprising an activation of the device control device in response to that detected by the logic control unit and wherein a deactivation of the device control device is made as soon as one of the switches changes its switch position.
  • a release device which, compared to conventional systems, provides a higher security against manipulation by intentional acts of an operator.
  • the release device accomplishes this by requesting release states and an intentional action by an operator to release the device control device.
  • Ideal release requires the following release conditions: 1. the swivel seat, often associated with backhoes 2. is in a backhoe operating position and not in another operating position, 2. the ignition switch is in the "on" position and 3. a device control changeover switch is switched to a release position for the device control device, during 1st and 2nd ideal release state is present.
  • a device control changeover switch is switched to a release position for the device control device, during 1st and 2nd ideal release state is present.
  • Non-ideal release requires the following conditions: 1. the swing seat is not in the backhoe operating position, 2. the ignition switch is in the "on" position, and 3. the device control changeover switch is in a release position for the device control device, while 1 and 2. non-ideal release state.
  • the non-ideal release is actually a bypass state in which the device controller changeover switch functions as a bypass switch.
  • the operator is signaled by means of an optical alarm from a display device of a monitor and / or by means of a signal from a loudspeaker of the monitor that a non-ideal release is present.
  • the signaling can be done by a single short-time alarm, a periodic alarm or by a constant alarm.
  • the non-ideal release allows the operator to perform multiple functions when required.
  • an operator may pivot his seat into a loader operating position or between the backhoe operating position and the loader operating position and manipulate his bucket or move his work vehicle while simultaneously operating his backhoe work implement. Swiveling the seat into or out of any position deactivates the device controller and requires reactivation before the device controller is released.
  • a memory for the backhoe functions a hydraulic safety pressure and allows the operator to lower the backhoe attachment to the ground in a controlled manner if the engine stops or fails.
  • FIG. 1 shows a special work vehicle 10, in which the invention can be used.
  • the special work vehicle 10 which in FIG. 1 is shown a backhoe, which usually has two functions.
  • the functions of this particular work vehicle 10 are those of a backhoe and a loader.
  • the work vehicle 10 includes a cab 15, a pivotal seat 20, at least one implement controller 160, a backhoe area 50 and a loader area 60. Further, the work vehicle 10 also includes wheels 70 and a drive system (not shown) for propelling it on the ground in a known manner.
  • the pivot seat 20 has at least two seating positions, ie pivoting angle positions in which the seat 20 can be detected.
  • These seating positions have at least one angular position, in which the pivot seat 20 faces the backhoe area 50 and an angular position in which the pivot seat faces the loader area 60. Usually, these are separated at an angle of 180 °, as in FIG. 1 is indicated.
  • the pivot seat 20 is in a backhoe or loader operating position when it is within about 15 ° to the appropriate seating position.
  • FIG. 2 a block diagram is shown, which illustrates an exemplary embodiment of the invention.
  • the diagram includes: an ignition switch 100, a first seat switch 110 for determining whether or not the seat 20 is in the backhoe operation position, a second seat switch 120 for determining whether the seat 20 is in the loader operating position or not, a device control device 160, a device controller changeover switch 130 for enabling the device controller 160, which also functions as a bypass switch, and a logic controller 150.
  • the logic controller may be a conventional control computer onboard the work vehicle 10, a conventional hardwired shift mechanism, or a conventional group of switches Relays which are arranged so that the logic according to the invention can be carried out by methods known to a person skilled in the art.
  • FIG. 3 shows a flowchart in which a detailed control circuit 200 for the individual operating steps according to the invention, as shown in FIG. 2 are shown is shown.
  • the operations illustrated may be implemented in the hardware and / or by software programming of the logic controller 150 by techniques known to those skilled in the art.
  • step 210 that is, turning on the ignition switch to initiate a flow of energy needed to activate all the other switches.
  • the process immediately ends with step 270 and the device controller 160 is not activated when the ignition switch 100 is turned off in step 210. Once the ignition switch 100 is turned on, the switch position of the first seat switch 110 is checked in step 220.
  • step 230 determines the switch position of the second seat switch 120. If the second seat switch 120 is not in its first switch position, then the process continues to step 240. In step 240, if the device controller changeover switch 130 is switched to its first toggle switch position, then the device controller 160 is ideally activated.
  • step 220 If, at step 220, the first seat switch 110 is not in its first seat switch position or, at step 230, the second seat switch 120 is in its first seat switch position, the process moves to step 270 and the device control 160 is not activated; unless the device controller changeover switch 130 is switched to its first changeover switch position in step 260. If, under these conditions, the device controller changeover switch 130 is used as a bypass switch and is switched to its first toggle switch position, then the process continues to step 250 where the device controller is not ideally activated and proceeds to step 280 in FIG the operator, by means of a monitor 180 and a display device 181 and / or a beep generator 190 is informed about the non-ideal activation.
  • a memory 191 is shown, which increases the reliability of the activation system.
  • the memory functions as a fail-safe mechanism in the event of a catastrophic fall in the engine 170 and pump 189 (see FIG. 2 ) provided hydraulic pressure. Such a failure could occur, as a result z.
  • the memory 191 is used for temporary pressure maintenance and allows the operator to operate the device controller 160 to properly control the implement, which in the Typically a backhoe is to bring and in an appropriate position, for example in a parking position.
  • the means for determining the swing seat position include two swing seat switches, ie, the first and second swing seat switches 110, 120.
  • comparable functionalities may be achieved with a larger number of switches, or with a single switch.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (13)

  1. Véhicule utilitaire (10), notamment pelleteuse, avec un système de contrôle d'appareil (160) pouvant être activé et désactivé, un siège pivotant (20) comportant une première et une deuxième position de siège pivotant, des moyens de détermination de la position du siège pivotant (20) qui indiquent lorsque le siège pivotant (20) se trouve dans la première, la deuxième ou une troisième position de siège pivotant, la troisième position de siège pivotant se trouvant entre la première et la deuxième position de siège pivotant, un commutateur d'allumage (100) avec lequel un allumage peut être connecté dans une première position de commutateur et déconnecté dans une deuxième position de commutateur et au moins un commutateur inverseur (130) pour activer le système de contrôle d'appareil (160), lequel commutateur inverseur est commutable dans une première et une deuxième position de commutateur inverseur, une unité de commande (150) logique étant en outre prévue, celle-ci détectant les positions de commutateur des différents commutateurs (100, 130), caractérisé en ce qu'une activation du système de contrôle d'appareil (160) ne se produit qu'en présence de conditions d'activation idéales ou non idéales, des conditions d'activation idéales étant présentes lorsque le commutateur d'allumage (100) se trouve dans sa première position de commutateur et que l'au moins un commutateur inverseur (130) est commuté dans sa première position de commutateur inverseur tandis que le commutateur d'allumage (100) est dans sa première position de commutateur et que les moyens de détermination de la position du siège pivotant (20) indiquent que le siège pivotant (20) se trouve dans sa première et non pas dans sa deuxième ou troisième position de siège pivotant et des conditions d'activation non idéales étant observées lorsque le commutateur d'allumage (100) se trouve dans sa première position de commutateur et que l'au moins un commutateur inverseur (130) est commuté dans sa première position de commutateur inverseur, tandis que le commutateur d'allumage (100) est connecté et que les moyens de détermination de la position du siège pivotant (20) indiquent que le siège pivotant (20) ne se trouve pas dans sa première position de siège pivotant, une activation du système de contrôle d'appareil (160) se produisant en outre en fonction de la détection de l'unité de commande (150) logique et une désactivation du système de contrôle d'appareil (160) se produisant dès lors qu'un des commutateurs (100, 130) modifie sa position de commutateur.
  2. Véhicule utilitaire (10) selon la revendication 1, caractérisé en ce que les moyens de détermination de la position du siège pivotant (20) englobent au moins un commutateur de siège (110, 120) qui comporte au moins respectivement une position de commutateur de siège qui indique que le siège pivotant (20) se trouve dans la première, la deuxième ou la troisième position de siège pivotant.
  3. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les moyens de détermination de la position du siège pivotant (20) englobent un premier commutateur de siège (110) qui présente une première et une deuxième position de commutateur de siège et un deuxième commutateur de siège (120) qui comporte une première et une deuxième position de commutateur de siège, le premier commutateur de siège (110) étant dans sa première position de commutateur de siège lorsque le siège pivotant (20) se trouve pour l'essentiel dans la première position de siège pivotant et le deuxième commutateur de siège (120) étant dans sa première position de commutateur de siège lorsque le siège pivotant (20) se trouve pour l'essentiel dans la deuxième position de siège pivotant.
  4. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un appareil de surveillance (180) est pourvu d'un générateur de signal sonore (190), le générateur de signal sonore (190) émettant un signal sonore à l'activation du système de contrôle d'appareil (160) lorsqu'aucunes conditions d'activation ne sont présentes.
  5. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un appareil de surveillance (180) est pourvu d'un dispositif d'affichage (181), le dispositif d'affichage (181) affichant un message indiquant que le système de contrôle d'appareil (160) est activé lorsqu'aucunes conditions d'activation ne sont présentes.
  6. Véhicule utilitaire (10) selon la revendication 4 ou 5, caractérisé en ce que le générateur de signaux (190) émet un signal sonore lorsque le premier et le deuxième commutateur de siège pivotant (110, 120) se trouvent dans leur première position de commutateur.
  7. Véhicule utilitaire (10) selon la revendication 5 ou 8, caractérisé en ce que l'appareil de surveillance (180) affiche un message indiquant que des conditions d'activation non idéales sont présentes lorsque le premier et le deuxième commutateur de siège pivotant (110, 120) se trouvent dans leur première position de commutateur.
  8. Véhicule utilitaire (10) selon la revendication 6 ou 7, caractérisé en ce que l'unité de commande (150) logique ordonne au générateur de signaux (190) d'émettre le signal sonore.
  9. Véhicule utilitaire (10) selon la revendication 7 ou 8, caractérisé en ce que l'unité de commande (150) logique ordonne à l'appareil de surveillance (180) d'afficher un message.
  10. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le système de contrôle d'appareil (160) prend la forme d'une mannette de type joystick.
  11. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le siège pivotant (20) se trouve pour l'essentiel dans la première position de siège pivotant lorsque le siège pivotant (20) se trouve dans un angle de 15° par rapport à une position de fonctionnement de pelleteuse.
  12. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que le siège pivotant (20) se trouve pour l'essentiel dans la deuxième position de siège pivotant lorsque le siège pivotant (20) se trouve dans un angle de 15° par rapport à une position de fonctionnement d'appareil de chargement.
  13. Véhicule utilitaire (10) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que l'au moins un commutateur inverseur (130) prend la forme d'un commutateur d'activation pour activer le système de contrôle d'appareil (160) en présence de conditions d'activation idéales et d'un commutateur de contournement pour activer le système de contrôle d'appareil (160) en présence de conditions d'activation non idéales.
EP05102479A 2004-04-01 2005-03-30 Système d'activation pour un système de contrôle d'appareil Active EP1584756B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US816109 1992-01-02
US10/816,109 US7283903B2 (en) 2004-04-01 2004-04-01 Enabling system for an implement controller

Publications (3)

Publication Number Publication Date
EP1584756A2 EP1584756A2 (fr) 2005-10-12
EP1584756A3 EP1584756A3 (fr) 2006-04-05
EP1584756B1 true EP1584756B1 (fr) 2011-07-27

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EP05102479A Active EP1584756B1 (fr) 2004-04-01 2005-03-30 Système d'activation pour un système de contrôle d'appareil

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EP (1) EP1584756B1 (fr)

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Also Published As

Publication number Publication date
US20050222733A1 (en) 2005-10-06
US7283903B2 (en) 2007-10-16
EP1584756A3 (fr) 2006-04-05
EP1584756A2 (fr) 2005-10-12

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