HYBRID CONSTRUCTION MACHINE
    2.
    发明公开
    HYBRID CONSTRUCTION MACHINE 有权
    混合式建筑机械

    公开(公告)号:EP2811171A1

    公开(公告)日:2014-12-10

    申请号:EP13744241.4

    申请日:2013-01-24

    Abstract: A hybrid construction machine includes first and second main pumps, first and second supply passages, first and second circuit systems, a hydraulic motor, a motor generator, an assist pump, a joint passage connected to the assist pump and branched off, first and second logic valves, a switching valve disposed in the other branch passage and switchable to a state where the assist pump is connected to the second supply passage on the upstream side of the second logic valve and a state where the second main pump is connected to the hydraulic motor, and a check valve. A poppet diameter of the first logic valve is smaller than that of the second logic valve.

    Abstract translation: 本发明提供一种混合动力式工程机械,该混合动力式工程机械具有:第一主泵和第二主泵;第一供给通路和第二供给通路;第一回路系统和第二回路系统;液压马达;电动发电机;辅助泵; 逻辑阀;切换阀,其设置在另一分支通路中,并可切换到辅助泵连接到第二逻辑阀的上游侧的第二供给通路的状态;以及第二主泵连接到液压的状态 电机和一个止回阀。 第一逻辑阀的提升阀直径小于第二逻辑阀的提升阀直径。

    Dual positive displacement pump pressure regulating control
    4.
    发明公开
    Dual positive displacement pump pressure regulating control 有权
    DruckregelsteuerungfürDoppelverdrängerpumpe

    公开(公告)号:EP2568182A2

    公开(公告)日:2013-03-13

    申请号:EP12183694.4

    申请日:2012-09-10

    Inventor: Rosner, Jason E.

    Abstract: A hydraulic system (10), including fluid flow generated by a primary pump (14) and a secondary pump (16), utilizes a regulator control assembly (20) to control fluid flow from each of the primary and secondary pumps (14, 16) such that a desired fluid flow and pressure is maintained at the outlet (48) for varying actuator demands. The regulator control assembly (20) controls the transition from using only the primary pump (14), to using both the primary and secondary pumps (14, 16) to provide a desired fluid flow and pressure through the outlet (48) to an actuator (12).

    Abstract translation: 包括由主泵(14)和次级泵(16)产生的流体流的液压系统(10)利用调节器控制组件(20)来控制来自主泵和副泵(14,16)中的每一个的流体流 ),使得在出口(48)处保持期望的流体流动和压力以改变致动器需求。 调节器控制组件(20)控制从仅使用主泵(14)到使用主泵(14,16)的过渡,以将期望的流体流动和压力通过出口(48)提供给致动器 (12)。

    METHOD FOR CONTROLLING DRIVING FLOW OF WHEEL EXCAVATOR
    5.
    发明公开
    METHOD FOR CONTROLLING DRIVING FLOW OF WHEEL EXCAVATOR 审中-公开
    VERFAHREN ZUR STEUERUNG DES ANTRIEBS EINES RADBAGGERS

    公开(公告)号:EP2916012A1

    公开(公告)日:2015-09-09

    申请号:EP13850555.7

    申请日:2013-08-07

    Abstract: The present invention controls a proportional control valve controlling the maximum flow of the flow pump to perform controlling the maximum flow of the hydraulic oil pump after checking whether the pump joint control is normal, receiving a flow value of the flow pump controlled by the proportional control valve, checking an error when the flow value received during a control of the maximum flow has an error, and assigning a weight value to the checked error to compensate for the flow value. Therefore, the present invention may decrease a number of an engine revolution speed and lower a driving fuel consumption and reduce a driving noise.

    Abstract translation: 本发明控制比例控制阀,控制流量泵的最大流量,在检查泵接头控制是否正常之后,控制液压油泵的最大流量,接收由比例控制器控制的流量泵的流量值 阀门,当在最大流量控制期间接收的流量值有错误时,检查错误,并将重量值分配给所检查的误差以补偿流量值。 因此,本发明可以减少发动机转速的数量,降低驱动燃料消耗并降低驱动噪声。

    Hydraulic driving system of construction machinery
    6.
    发明公开
    Hydraulic driving system of construction machinery 审中-公开
    工程机械液压传动系统

    公开(公告)号:EP2458098A2

    公开(公告)日:2012-05-30

    申请号:EP12155586.6

    申请日:2003-08-29

    Abstract: The invention relates to a construction machine comprising a travel body (79), a swing body (13) swingably mounted onto said travel body (79), a boom (75), an arm (76), and a bucket (77) and a hydraulic drive system.
    The hydraulic drive system comprises a plurality of directional flow control valves (10a-f; 10a-h) including a boom, arm and bucket directional flow control valves, a boom inflow control valve (201), an arm inflow control valve (202), and a bucket inflow control valve (203).
    It is proposed that said boom inflow control valve (201), said arm inflow control valve (202) and said bucket inflow control valve (203) are provided only for the rod pushing-side chamber (5aA, 5bA) of a boom hydraulic cylinder (5a, 5b), the rod pushing-side chamber (6A) of an arm hydraulic cylinder (6) and the rod pushing-side chamber (7A) of a bucket hydraulic cylinder (7).
    Furhter, said plurality of directional flow control valves (10a-f; 10a-h) including the boom, arm and bucket directional flow control valves are disposed in said swing body,said boom inflow control valves (201), said arm inflow control valves (20) and said bucket inflow control valve (203) are all disposed together in one control valve unit (190), and
    said one control valve unit (190) is disposed on the upper surface of said boom (75).

    Abstract translation: 本发明涉及包括行驶体(79),可摆动地安装在所述行驶体(79)上的摆动体(13),动臂(75),臂(76)和铲斗(77)的建筑机械以及 一个液压驱动系统。 液压驱动系统包括包括动臂,斗臂和铲斗方向流量控制阀,动臂流入控制阀(201),斗杆流入控制阀(202)的多个方向流量控制阀(10a-f; 10a-h) ,以及铲斗流入控制阀(203)。 建议所述悬臂流入控制阀(201),所述悬臂流入控制阀(202)和所述铲斗流入控制阀(203)仅设置在悬臂液压缸的杆推动侧室(5aA,5bA) (5a,5b),斗杆液压缸(6)的杆推动侧室(6A)和铲斗液压缸(7)的杆推动侧室(7A)之间。 所述多个方向流量控制阀(10a-f; 10a-h)包括所述动臂,斗杆和铲斗方向流量控制阀,所述动臂流入控制阀(201),所述动臂流入控制阀 (20)和所述铲斗流入控制阀(203)一起设置在一个控制阀单元(190)中,并且所述一个控制阀单元(190)设置在所述悬臂(75)的上表面上。

    HYDRAULIC DRIVING SYSTEM OF CONSTRUCTION MACHINERY
    7.
    发明公开
    HYDRAULIC DRIVING SYSTEM OF CONSTRUCTION MACHINERY 审中-公开
    水力发电机组FÜRBAUMASCHINEN

    公开(公告)号:EP1536071A1

    公开(公告)日:2005-06-01

    申请号:EP03794140.8

    申请日:2003-08-29

    Abstract: A hydraulic drive system comprises directional flow control valves (10a-f) for selectively supplying a hydraulic fluid from a first hydraulic pump (1a, 1b), inflow control valves (201-203) disposed respectively in branch lines (150A-C) branched from a supply line (100) for supplying a hydraulic fluid delivered from a second hydraulic pump (3a, 3b) to rod pushing-side chambers (5aA, 5bA, 6A, 7A) of hydraulic cylinders, a bypass flow control valve (204) disposed in a line (104) connecting the supply line (100) and a reservoir (2), and a controller (31) for computing control variables corresponding to operation command signals from control levers (32, 33) and controlling the inflow control valves (201-203) and the bypass flow control valve (204) in accordance with the computed control variables. As a result, the number of flow control valves and the length of piping required for connection of the flow control valves can be further cut, and a total pressure loss can be further reduced. A reduction in the number of flow control valves contributes to simplifying layouts of hydraulic piping between hydraulic sources and actuators receiving hydraulic fluids from the hydraulic sources.

    Abstract translation: 液压驱动系统包括用于选择性地从第一液压泵(1a,1b)供应液压流体的定向流量控制阀(10a-f),分别设置在分支管路(150A-C)中的分支管线(150A-C) 从用于将从第二液压泵(3a,3b)输送的液压油供应​​到液压缸的推杆侧室(5aA,5bA,6A,7A)的供给管线(100),旁通流量控制阀(204) 设置在连接供应管线(100)和储存器(2)的管线(104)中,以及控制器(31),用于计算与来自控制杆(32,33)的操作命令信号相对应的控制变量,并控制流入控制阀 (201-203)和旁路流量控制阀(204)。 结果,能够进一步切断流量控制阀的数量和连接流量控制阀所需的配管长度,能够进一步降低总的压力损失。 流量控制阀的数量的减少有助于简化液压源和从液压源接收液压流体的致动器之间的液压管路的布局。

    Hydrostatisches Antriebssystem mit einer einstellbaren Pumpe und mehreren Verbrauchern
    8.
    发明公开
    Hydrostatisches Antriebssystem mit einer einstellbaren Pumpe und mehreren Verbrauchern 失效
    静液压驱动系统,其包括可调节的泵和多个消费者。

    公开(公告)号:EP0053323A1

    公开(公告)日:1982-06-09

    申请号:EP81109744.3

    申请日:1981-11-17

    Inventor: Krusche, Alfred

    Abstract: Hydrostatisches Antriebssystem mit mindestens einer mittels einer hydraulischen Einrichtung einstellbaren Pumpe, die in eine Förderleitung fördert, an die über je ein willkürlich betätigbares Schaltorgan mehrere Verbraucher anschließbar sind, wobei zu dem Zwecke, daß sich Änderungen des Druckes, die an einem Verbraucher durch Änderung von dessen Belastung entstehen, auf die anderen Verbraucher nicht auswirken, so daß jedem Verbraucher das Druckmittel mit dem für diesen Verbraucher erforderlichen Druck mit dem willkürlich gewählten Strom zufließt in jeder jeweils zu einem Verbraucher führenden Zweigleitung eine einstellbare Parallelschaltungsdrosselstelle angeordnet ist, deren Einstellorgan auf der einen Seite vom Druck in der Förderleitung 12 bzw. der Förderzweigleitung 28,82,104,105 und auf der anderen Seite von einem Steuerdruck und einer Feder beaufschlagt ist und wobei dieser Steuerdruck an allen Parallelschaltungsdrosselstellen gemeinsam ist und die von diesem beaufschlagte Seite des Einstellorganes über eine Steuerdruckzweigleitung 76, 77 an eine gemeinsame Steuerdruckleitung 80, 81, 83 angeschlossen ist, wobei in jeder Steuerdruckzweigleitung 76,78 ein zur gemeinsamen Steuerdruckleitung 80, 81, 83 hin öffnendes Rückschlagventil 79, 77 angeordnet ist.

    Abstract translation: 静液压驱动系统,其具有至少一个可调节由它提供到进料管线到该液压装置泵的装置每一个都具有一个任意致动切换构件的多个消费者的连接,其中,对于所述目的通过的修改的压力变化给消费者其 负载结果,在其他消费者没有影响,使得每个消费者能够流入压力介质与用于与所述任意的电流可调平行节流点此消费者压力需要被布置在每个在每种情况下导致消费者支线由其调节构件上的一个侧 压力在输送线路12或输送机分支线28,82,104,105和在另一侧上采取行动由控制压力和一个弹簧,并且其中,所述控制压力是共同的所有平行节流点和从该 通过控制压力分支线76,77被连接到共同的控制压线80,81,83,其中,单向阀开口79,77被布置在每个控制压力支线76,78到公共控制压力管路80,81,83向下作用的设定构件的一侧。

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