公开(公告)号：US20090084004A1

公开(公告)日：2009-04-02

申请号：US12236713

申请日：2008-09-24

申请人： Sang Deuk KIM

发明人： Sang Deuk KIM

IPC分类号： E02F9/00 ,  B60R9/00

CPC分类号： E02F9/0891 ,  E02F9/00 ,  E02F9/0833

摘要： Heavy equipment having a tool box opening in forward direction of the equipment is provided, in which a tool box door mounted on an upper frame of an excavator can be simply opened and closed through pressing of a button, an auxiliary structure, such as a handrail that is used when an operator ascent toward an engine room, is not required, and the shape of the tool box door can be freely designed to sufficiently secure storage space. The heavy equipment includes a lower driving structure; an upper frame mounted on the lower driving structure to be swiveled; a cap and an engine room mounted in front and in the rear of the upper frame; working devices including a boom fixed to the upper frame, an arm, a bucket, and hydraulic cylinders for driving the boom, the arm, and the bucket, respectively; a counter weight mounted in the rear of the upper frame to keep the balance of the equipment during working; a tool box door mounted on the upper frame to open from the rear to the front side of the equipment, and forming storage space; and a gas spring for opening the tool box door when a button mounted on an external surface of the tool box door is pressed.

摘要翻译： 提供具有沿设备向前开口的工具箱的重型设备，其中安装在挖掘机的上框架上的工具箱门可以通过按压按钮，诸如扶手的辅助结构简单地打开和关闭 当不需要操作者朝向发动机室上升时使用，并且可以自由地设计工具箱门的形状以充分确保存储空间。 重型设备包括较低的驾驶结构; 安装在所述下驱动结构上以便旋转的上框架; 安装在上框架的前部和后部的盖子和发动机室; 工作装置包括固定在上框架上的吊杆，臂，铲斗和用于分别驱动吊杆，臂和铲斗的液压缸; 安装在上框架后部的配重，用于在加工过程中保持设备的平衡; 安装在上框架上的工具箱门从设备的后部向前侧打开，并形成储存空间; 以及当按下安装在工具箱门的外表面上的按钮时，用于打开工具箱门的气弹簧。

公开(公告)号：US20090071141A1

公开(公告)日：2009-03-19

申请号：US12206775

申请日：2008-09-09

申请人： Bon Seok KOO

发明人： Bon Seok KOO

IPC分类号： F15B13/02

CPC分类号： F15B11/16 ,  F15B11/17 ,  F15B2211/20538 ,  F15B2211/20576 ,  F15B2211/275 ,  F15B2211/30525 ,  F15B2211/3116 ,  F15B2211/324 ,  F15B2211/329 ,  F15B2211/50518 ,  F15B2211/6051 ,  F15B2211/6355 ,  F15B2211/7142

摘要： A hydraulic circuit for heavy equipment is provided, which can prevent signal pressure exceeding a predetermined pressure from being formed in a pilot signal path provided in a switching valve to sense whether the switching valve has been shifted in a hydraulic system that minimizes the discharge flow rate of a hydraulic pump when a working device such as a boom is not driven. The hydraulic circuit includes first to fourth hydraulic pumps connected to an engine, first switching valves installed in flow paths of the first hydraulic pump and shifted to control hydraulic fluid fed to a working device, second switching valves installed in flow paths of the second hydraulic pump and shifted to control hydraulic fluid fed to a working device, third switching valves installed in flow paths of the third hydraulic pump and shifted to control hydraulic fluid fed to a swing device, a pilot signal path for sensing whether the first to third switching valves are shifted, a throttling part installed in the pilot signal path to form a signal pressure, and a valve installed in a parallel flow path branch-connected to the pilot signal path and supplying the signal pressure in the pilot signal path to the pilot signal pressure supply path when a signal pressure exceeding a predetermined pressure is formed in the pilot signal path.

摘要翻译： 提供一种用于重型设备的液压回路，其可以防止在设置在切换阀中的先导信号路径中形成超过预定压力的信号压力，以检测切换阀是否已经在最小化排出流量的液压系统中移位 当没有驱动诸如起重臂的工作装置时，液压泵。 液压回路包括连接到发动机的第一至第四液压泵，安装在第一液压泵的流路中的第一切换阀，并且移动以控制供给到工作装置的液压流体;第二切换阀安装在第二液压泵 并且移动以控制供给到工作装置的液压流体，安装在第三液压泵的流路中的第三切换阀，并且移动以控制供给到摆动装置的液压流体;导频信号路径，用于检测第一至第三切换阀是否为 移动，安装在导频信号路径中以形成信号压力的节流部分，以及安装在并行流路中的阀，分支连接到导频信号路径，并将导频信号路径中的信号压力提供给导频信号压力供应 在导频信号路径中形成超过预定压力的信号压力时的路径。

公开(公告)号：US07478671B2

公开(公告)日：2009-01-20

申请号：US11070423

申请日：2005-03-02

申请人： Toshimichi Ikeda ,  Chan Ju Na ,  Kyu Cheon Jeong

发明人： Toshimichi Ikeda ,  Chan Ju Na ,  Kyu Cheon Jeong

IPC分类号： B60H1/00

CPC分类号： B60H1/00378 ,  B60H1/14

摘要： A heating apparatus for a cabin of a construction equipment in which hot air ejected from an oil cooler is used for heating in the winter while it is ejected out in the summer, to maximize cooling or heating efficiency of the cabin of the construction equipment. The heating apparatus for a cabin of a construction equipment includes a duct ejecting air ejected from an oil cooler provided inside an automotive body at the rear of the cabin to the outside of the automotive body, and a switching unit provided in the duct to open and close an air vent in the duct, guiding the air inside the duct to the rear of the cabin if it is opened. The heating apparatus is automatically operated depending on its peripheral temperature condition to maximize cooling or heating efficiency of the cabin.

摘要翻译： 一种用于建筑设备的舱室的加热装置，其中在从夏季向外喷出的时候，使用从油冷却器喷出的热空气在冬天进行加热，以使建筑设备的舱室的冷却或加热效率最大化。 用于建筑设备的舱室的加热装置包括从设置在机舱后部的汽车车体内的油冷却器喷射出的空气到汽车车身的外部的管道，以及设置在管道中的开关单元， 关闭管道中的通风口，如果打开，将管道内的空气引导到机舱的后部。 加热装置根据其周围温度条件自动操作，以最大限度地提高机舱的冷却或加热效率。

公开(公告)号：US07464545B2

公开(公告)日：2008-12-16

申请号：US11571900

申请日：2005-06-22

申请人： Bo Vigholm

发明人： Bo Vigholm

IPC分类号： F16D31/02

CPC分类号： F15B11/17 ,  B62D5/07 ,  E02F9/2239 ,  E02F9/2292 ,  E02F9/2296 ,  F15B11/165 ,  F15B2211/20546 ,  F15B2211/20592 ,  F15B2211/251 ,  F15B2211/30505 ,  F15B2211/30525 ,  F15B2211/31576 ,  F15B2211/31594 ,  F15B2211/45 ,  F15B2211/6054 ,  F15B2211/781

摘要： A hydraulic system includes a first pump that delivers hydraulic fluid to a first load outlet point and to a second load outlet point, a second pump that delivers hydraulic fluid to the second load outlet point, but not to the first load outlet point, a pressure detector for detecting the load pressure at the first load outlet point and a pressure detector for detecting the load pressure at the second load outlet point. The system includes a controller for controlling the first pump on the basis of the detected load pressure at the first load outlet point and the detected load pressure at the second load outlet point, and a controller for controlling the second pump on the basis of the detected load pressure at the second load outlet point but not on the basis of the detected load pressure at the first load outlet point.

摘要翻译： 液压系统包括将液压流体输送到第一负载出口点和第二负载出口点的第一泵，第二泵，其将液压流体输送到第二负载出口点，但不向第一负载出口点输送压力 用于检测第一负载出口点处的负载压力的检测器和用于检测第二负载出口点处的负载压力的压力检测器。 该系统包括：控制器，用于根据检测到的第一负载出口点的负载压力和第二负载出口点处检测到的负载压力来控制第一泵;以及控制器，用于根据检测到的控制器控制第二泵 在第二负载出口点处的负载压力，但不是基于在第一负载出口点处检测到的负载压力。

公开(公告)号：US07458211B2

公开(公告)日：2008-12-02

申请号：US11510775

申请日：2006-08-25

申请人： Bon Seok Koo

发明人： Bon Seok Koo

IPC分类号： F16D31/02

CPC分类号： E02F9/2232 ,  E02F9/2296 ,  F15B11/055 ,  F15B11/165 ,  F15B2211/20546 ,  F15B2211/20553 ,  F15B2211/255 ,  F15B2211/3116 ,  F15B2211/329

摘要： A hydraulic control system is disclosed, which can minimize the flow rate of a hydraulic fluid being discharged from a variable displacement hydraulic pump by using pilot pressure constantly produced by a pilot pump when a switching valve is in a neutral position, and can adjust the flow rate of the hydraulic fluid being discharged from the variable displacement hydraulic pump by using pressure produced by a pressure generator positioned at the most downstream side of a bypass passage if a separate input signal is applied to the pressure generator when the switching valve is operated. The hydraulic control system includes a main variable displacement hydraulic pump, a pilot pump, a plurality of actuators, a switching valve interposed between the main pump and the actuators, a load pressure signal passage for guiding a part of the hydraulic fluid to a tank via the first flow control device, and a flow control device for the main pump installed on one side of the main pump to control the flow rate of the hydraulic fluid by adjusting the inclination angle of a swash plate in the main pump.

摘要翻译： 公开了一种液压控制系统，其可以通过在切换阀处于中立位置时由先导泵不断产生的先导压力使从可变排量液压泵排出的液压流体的流量最小化，并且可以调节流量 如果在切换阀操作时将单独的输入信号施加到压力发生器，则通过使用位于旁通通道最下游侧的压力发生器产生的压力，从可变排量液压泵排出的液压流体的速率。 液压控制系统包括主变量液压泵，先导泵，多个致动器，介于主泵和致动器之间的切换阀，用于将液压流体的一部分引导到油箱的负载压力信号通道 第一流量控制装置和主泵的流量控制装置，其安装在主泵的一侧，以通过调节主泵中的斜盘的倾斜角度来控制液压流体的流量。

公开(公告)号：US20080290724A1

公开(公告)日：2008-11-27

申请号：US12097265

申请日：2005-12-15

申请人： Christian Wargh ,  Bertil Lindell

发明人： Christian Wargh ,  Bertil Lindell

IPC分类号： B60B35/00

CPC分类号： B60G9/02 ,  B60B35/18 ,  B60G2200/322 ,  B60G2204/418 ,  B60G2300/09 ,  F16C17/26 ,  F16C33/20 ,  F16C2326/02 ,  F16C2326/05

摘要： A wheel axle bearing arrangement includes a wheel axle housing and a wheel axle support, which is configured to be rigidly connected to a vehicle frame, and a bearing arrangement configured to pivotably mount the wheel axle housing relative to the wheel axle support. The bearing arrangement includes at least two bearing sleeves arranged side by side.

摘要翻译： 轮轴轴承装置包括轮轴壳体和被构造成刚性地连接到车架的轮轴支撑件，以及被配置为相对于轮轴支撑件可枢转地安装轮轴壳体的轴承装置。 轴承装置包括至少两个并排布置的轴承套筒。

公开(公告)号：US20080268998A1

公开(公告)日：2008-10-30

申请号：US11994340

申请日：2005-07-01

申请人： Tim Kingston ,  Mats Akerblom

发明人： Tim Kingston ,  Mats Akerblom

IPC分类号： B60K17/04 ,  F16D65/853 ,  B60T1/06

CPC分类号： B60K17/046 ,  F16D65/186 ,  F16D2069/004 ,  F16D2121/02 ,  F16D2121/12 ,  F16D2123/00 ,  Y10S475/90

摘要： A planetary transmission includes a sun gear, which constitutes an input drive to the planetary transmission, a ring gear arranged around the sun gear, and a planet carrier which is designed to rotate and which carries at least one planet wheel, which planet wheel meshes with the sun gear and the ring gear. The planet carrier constitutes an output drive from the planetary transmission. The planetary transmission further includes a wet disk brake, a first set of brake disks in the brake being rotationally locked to the planet carrier and thereby in operation rotating at the rotational speed of the planet carrier. The planetary transmission further comprises an arrangement for circulation of a cooling fluid through the brake which is rotationally locked to the sun gear and thereby in operation rotates at the rotational speed of the sun gear.

摘要翻译： 行星传动装置包括太阳齿轮，其构成行星传动装置的输入驱动装置，围绕太阳齿轮布置的环形齿轮和设计成旋转的行星架，并且该行星架承载至少一个行星轮，行星轮与 太阳齿轮和齿圈。 行星架构成行星传动装置的输出驱动装置。 行星传动装置还包括湿盘式制动器，制动器中的第一组制动盘被旋转地锁定到行星架上，从而在行星架的旋转速度下旋转。 行星传动装置还包括用于使冷却流体通过制动器循环的装置，该制动器被旋转地锁定到太阳齿轮，从而操作以太阳齿轮的旋转速度旋转。

公开(公告)号：US20080236678A1

公开(公告)日：2008-10-02

申请号：US12075587

申请日：2008-03-12

申请人： Man Suk Jeon ,  Min Heik Kang

发明人： Man Suk Jeon ,  Min Heik Kang

IPC分类号： F16K17/06

CPC分类号： F16K17/065 ,  F16K17/10 ,  G05D16/187 ,  Y10T137/7747

摘要： A relief valve for heavy equipment is provided, which can prevent leakage of oil due to a secession of a guide that is released when pressure is set in order to re-set the set pressure of a relief valve for maintaining a set pressure of a hydraulic circuit, and can prevent damage of an O-ring mounted to seal a gap between contact surfaces. The relief valve includes a sleeve having an inlet port and a tank flow path for returning the hydraulic fluid a hydraulic tank, a poppet for opening/closing a flow path between the inlet port and the tank flow path, a valve sheet for forming a set pressure in a pressure chamber of the sleeve, a pilot poppet for draining the hydraulic fluid in the pressure chamber to the hydraulic tank; a plug screw-engaged inside the sleeve and having a tank inlet formed thereon; a guide screw-engaged inside the sleeve and having an O-ring for sealing a gap between contact surfaces with the plug and a step portion formed on the outer surface thereof; a main piston for variably controlling the set pressure in the pressure chamber; a control plug for receiving an inflow of the pilot signal pressure; and a stopper for preventing a secession of the guide from the plug by supporting the step portion when the guide is released from the plug.

摘要翻译： 提供重型设备的安全阀，其可以防止由于在设定压力时释放的导向件的分流导致的油泄漏，以便重新设定用于维持液压设定压力的安全阀的设定压力 电路，并且可以防止O形圈的损坏，以密封接触表面之间的间隙。 安全阀包括具有入口和用于使液压流体返回液压箱的罐流路的套筒，用于打开/关闭入口和罐流路之间的流路的提升阀，用于形成组件的阀板 套筒压力室内的压力，用于将压力室中的液压流体排放到液压箱的先导提升阀; 插塞螺纹接合在套筒内并具有形成在其上的罐入口; 导向螺纹接合在套筒内部并具有用于密封接触表面之间的间隙的O形环和插塞，以及形成在其外表面上的台阶部分; 用于可变地控制压力室中的设定压力的主活塞; 用于接收所述导频信号压力的流入的控制插头; 以及止动件，用于当引导件从插头释放时，通过支撑台阶部分来防止引导件从插头脱离。

公开(公告)号：US07427097B2

公开(公告)日：2008-09-23

申请号：US11280708

申请日：2005-11-16

申请人： Chun Jin Yoon

发明人： Chun Jin Yoon

IPC分类号： B60J7/00

CPC分类号： B60R21/131 ,  B60R21/11 ,  B60R2021/0081 ,  E02F9/163

摘要： An operator protective structure for a construction machine is designed to prevent a heavy object or a cabin of the construction machine deformed during the overturning or a drop collision from injuring a body of the operator. An operator protective structure includes a front supporting frame provided with a pair of front supporting rods vertically installed on one end of the upper frame, a rear supporting frame provided with a plurality of rear supporting rods vertically installed on the other end of the upper frame to encompass the cabin, and a top supporting frame defined by a pair of top supporting rods extended from an upper end of the front supporting frame to an upper end of the rear supporting frame and provided with a plurality of auxiliary beams between the top supporting rods.

摘要翻译： 用于建筑机械的操作者保护结构被设计成防止施工机械的重型物体或舱室在翻倒期间发生变形或下落碰撞，从而伤害操作者的身体。 操作者保护结构包括：前支撑框架，其设置有垂直安装在上框架的一端上的一对前支撑杆;后支撑框架，其设置有垂直安装在上框架的另一端上的多个后支撑杆， 包括舱室，以及由从前支撑框架的上端延伸到后支撑框架的上端的一对顶部支撑杆限定的顶部支撑框架，并且在顶部支撑杆之间设置有多个辅助梁。

公开(公告)号：US20080210505A1

公开(公告)日：2008-09-04

申请号：US11910614

申请日：2005-04-04

申请人： Bo Vigholm

发明人： Bo Vigholm

IPC分类号： F16F9/512 ,  G06F19/00

CPC分类号： E02F9/2292 ,  E02F9/2207 ,  E02F9/2296

摘要： A method for damping relative movements occurring between a first and a second part of a work vehicle during advance of the vehicle, which parts are interconnected by means of at least one hydraulic actuator, includes detecting at least one operation parameter of the vehicle, determining whether a damping condition is present based on the detected operation parameter and if the determined damping condition is present, controlling a displacement of a variable displacement hydraulic motor arranged downstream of the actuator in such a way that energy from a hydraulic fluid transmitted from the actuator is converted to a rotational energy in the motor, and transmitting the recovered energy from the motor to a power source.

摘要翻译： 一种用于阻止在车辆前进期间在工作车辆的第一和第二部分之间发生的相对运动的方法，该部件通过至少一个液压致动器相互连接，包括检测车辆的至少一个操作参数，确定是否 基于检测到的操作参数存在阻尼条件，并且如果确定的阻尼条件存在，则控制布置在致动器下游的可变排量液压马达的位移，使得来自致动器的液压流体的能量被转换 到电动机中的旋转能量，并将回收的能量从电动机传递到电源。