HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINERY
    1.
    发明公开
    HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINERY 有权
    HYDRAULIKSCHALTUNGFÜREINE BAUMASCHINE

    公开(公告)号:EP3104019A1

    公开(公告)日:2016-12-14

    申请号:EP15746552.7

    申请日:2015-02-05

    Inventor: IWASAKI, Hitoshi

    Abstract: Cost for a direction switching valve (third direction switching valve is) reduced while oil is supplied from two pumps to one actuator (third actuator).
    A hydraulic circuit 30 for construction machinery includes a first unloading passage 31 connected with a first pump 11, a second unloading passage 32 connected with a second pump 12, a first supply passage 41 connected with the first pump 11, a second supply passage 42 connected with the second pump 12, a third supply passage 43, and third direction switching valves (53E and 53F). The third supply passage 43 is connected with the first supply passage 41 and the second supply passage 42. The third direction switching valves (53E and 53F) are connected with the third supply passage 43, the first unloading passage 31, the second unloading passage 32, and the tank passage 35, and supply and discharge oil to and from the third actuators (23E and 23F).

    Abstract translation: 当从两个泵向一个致动器(第三致动器)供应油时,方向切换阀(第三方向切换阀)的成本降低。 用于工程机械的液压回路30包括与第一泵11连接的第一卸载通道31,与第二泵12连接的第二卸载通道32,与第一泵11连接的第一供应通道41, 第二泵12,第三供应通道43和第三方向切换阀(53E和53F)。 第三供给通道43与第一供应通道41和第二供应通道42连接。第三方向切换阀(53E和53F)与第三供应通道43,第一卸载通道31,第二卸载通道32 和油箱通道35,并且向第三致动器(23E和23F)供应和排出油。

    Dispositif de fixation d'un outil sur un engin, notamment un engin de chantier ou agricole
    3.
    发明公开
    Dispositif de fixation d'un outil sur un engin, notamment un engin de chantier ou agricole 失效
    的固定装置在车辆上实现,尤其是农业或工程车辆。

    公开(公告)号:EP0312489A1

    公开(公告)日:1989-04-19

    申请号:EP88810575.6

    申请日:1988-08-23

    Applicant: Kohler, Rudolf

    Inventor: Kohler, Rudolf

    CPC classification number: E02F3/364 E02F3/42

    Abstract: Ce dispositif a pour but de fournir des moyens permettant de transformer un engin de chantier ou agricole en un engin comportant un dispositif de changement rapide de l'outil. Il comporte un élément mâle (1) destiné à être fixé sur l'outil (26) et un élément femelle (9) destiné à être fixé sur le bras (25) de l'engin. L'élément mâle (1) comporte un V destiné à s'encastrer dans un autre V porté par l'élément femelle (9).

    Abstract translation: 该装置的目的是提供一种装置使其能够施工或农用车辆转换成具有改变的实现了一个快速动作装置的车辆。 它包括用于一个阳元件(1)被紧固到所述工具(26)和(9)旨在在阴元件被紧固到所述车辆的所述臂(25)。 阳元件(1)包括用于装配到由阴元件(9)中进行另一V A V。

    MOBILE ARBEITSMASCHINE MIT EINEM FAHRWERK UND EINEM TRAGRAHMEN

    公开(公告)号:EP4442912A1

    公开(公告)日:2024-10-09

    申请号:EP24162730.6

    申请日:2024-03-11

    Inventor: Finzel, Robert

    CPC classification number: E02F9/2207 E02F9/26 E02F3/42

    Abstract: Es wird eine mobile Arbeitsmaschine (7), insbesondere Radlader, Teleskoplader, Bagger oder dergleichen, mit einem Fahrwerk (21) und einem Tragrahmen (22), wobei der Tragrahmen (22) auf dem Fahrwerk (21) angeordnet ist, wobei wenigstens eine Antriebseinheit zum Antreiben wenigstens eines Antriebselementes des Fahrwerks (21) vorgesehen ist, wobei der Tragrahmen (22) wenigstens eine Werkzeughaltevorrichtung (3) zum Halten eines Arbeitswerkzeugs (18) umfasst, wobei die Werkzeughaltevorrichtung (3) wenigstens eine um eine Schwenkachse verschwenkbare Tragvorrichtung (3) umfasst, wobei eine wenigstens eine Hydraulikflüssigkeit und eine Hydraulikleitung umfassende Hydraulikeinheit zum Betätigen und/oder Druckbeaufschlagen der Werkzeughaltevorrichtung (3) und/oder der Tragvorrichtung (3) und/oder des Arbeitswerkzeugs (18) und/oder des Antriebselementes vorgesehen ist, vorgeschlagen, wobei die Nachteile des Stands der Technik wenigsten teilweise verbessert werden, insbesondere ein gegenüber dem Stand der Technik erheblich schwingungsärmeres Arbeiten realisierbar ist. Dies wird erfindungsgemäß dadurch erreicht, dass wenigstens ein Tragrahmen-Schwingungssensor (15) zum Erfassen von Schwingungen des Tragrahmens (22) vorgesehen ist.

    HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINERY

    公开(公告)号:EP3104019A4

    公开(公告)日:2017-10-11

    申请号:EP15746552

    申请日:2015-02-05

    Applicant: NABTESCO CORP

    Inventor: IWASAKI HITOSHI

    Abstract: Cost for a direction switching valve (third direction switching valve is) reduced while oil is supplied from two pumps to one actuator (third actuator). A hydraulic circuit 30 for construction machinery includes a first unloading passage 31 connected with a first pump 11, a second unloading passage 32 connected with a second pump 12, a first supply passage 41 connected with the first pump 11, a second supply passage 42 connected with the second pump 12, a third supply passage 43, and third direction switching valves (53E and 53F). The third supply passage 43 is connected with the first supply passage 41 and the second supply passage 42. The third direction switching valves (53E and 53F) are connected with the third supply passage 43, the first unloading passage 31, the second unloading passage 32, and the tank passage 35, and supply and discharge oil to and from the third actuators (23E and 23F).

    CONTROL SYSTEM FOR CONSTRUCTION MACHINERY AND CONTROL METHOD FOR CONSTRUCTION MACHINERY
    10.
    发明公开
    CONTROL SYSTEM FOR CONSTRUCTION MACHINERY AND CONTROL METHOD FOR CONSTRUCTION MACHINERY 审中-公开
    建筑机械控制系统及施工机械控制方法

    公开(公告)号:EP3305994A2

    公开(公告)日:2018-04-11

    申请号:EP17194790.6

    申请日:2017-10-04

    Abstract: A control system for construction machinery includes a first hydraulic pump (100), first and second actuators (20) connected to the first hydraulic pump through first and second hydraulic lines (220,222) respectively and operable by a working oil discharged from the first hydraulic pump, first and second control valves (320,322) installed in the first and second hydraulic lines respectively and configured to control operations of the first and second actuators, a first spool displacement adjusting valve (420) supplying a pilot signal pressure to a spool of the first control valve (320) in proportion to an inputted control signal to control a displacement amount of the spool of the first control valve, and a controller (500) configured to output the control signal to the first spool displacement adjusting valve (420) corresponding to a manipulation signal (600) of an operator, and configured to adjust a spool displacement amount of the first control valve (320) according to an amount of the working oil to be supplied to the first actuator (20) when the first actuator performs a single or multiple operation by self-load.

    Abstract translation: 一种用于工程机械的控制系统包括:第一液压泵(100);分别通过第一和第二液压管线(220,222)连接到第一液压泵并且可以通过从第一液压泵排出的工作油来操作的第一和第二致动器(20) ,分别安装在第一和第二液压管线中并且被配置为控制第一和第二致动器的操作的第一和第二控制阀(320,322),第一阀芯位移调节阀(420),其将引导信号压力供应到第一 控制阀(320),与输入的控制信号成比例地控制第一控制阀的阀芯的位移量;以及控制器(500),构造成将控制信号输出至第一阀芯位移调节阀(420) 操作者的操作信号(600),并且被配置为根据操作者的操作信号(600)的量来调节第一控制阀(320)的阀芯位移量 当第一致动器通过自身负载执行单个或多个操作时,工作油将被供应到第一致动器(20)。

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