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    • 5. 发明申请
    • Method and device for calibrating rotary axis
    • 用于校准旋转轴的方法和装置
    • US20040050139A1
    • 2004-03-18
    • US10296368
    • 2003-11-03
    • Paul ComerDavid PurtellSatish Shivaswamy
    • G01C025/00G01B021/22
    • B23Q1/5406B23Q17/2233G01B21/24G05B19/401G05B2219/37376G05B2219/50027G05B2219/50132
    • A present invention is for a device and method for measuring and calibrating the rotary motion of a rotatable machine member, such as a pivotable swivel member (2b) of a spindle (2) of a five-axis machine tool (1). The device includes an arm (110) mounted to the spindle, a housing (120) mounted to the arm, an optical encoder mounted internal to the arm and positioned therein to measure rotation about an axis extending lengthwise along the housing, which such axis is parallel to the axis about which the swivel member rotates. The device also includes a rotary table (170) mounted to the housing opposite the arm, the rotary table comprising a stator (171) fixedly mounted to the housing and a rotor (172) clampedly affixed to a shaft passing through the housing. The shaft is coupled to an input shaft of the encoder such that rotary movement of the rotor can be measured by the encoder. An electronic level (190) fixedly secured to the rotor, such as by a bracket (180). The encoder, the rotary table and the level are each electronically coupled to a control system which is adapted to obtain readings from the encoder and from the level and to command controlled rotation of the rotor relative to the stator.
    • 本发明涉及一种用于测量和校准诸如五轴机床(1)的主轴(2)的可枢转的旋转构件(2b)的可旋转机器构件的旋转运动的装置和方法。 该装置包括安装到主轴的臂(110),安装到臂的壳体(120),安装在臂内部并定位在其中的光学编码器,以测量围绕沿着壳体纵向延伸的轴线的旋转,该轴线是 平行于旋转构件旋转的轴线。 该装置还包括安装在与臂相对的壳体上的转台(170),旋转台包括固定地安装在壳体上的定子(171)和夹紧地固定到穿过壳体的轴的转子(172)。 轴连接到编码器的输入轴,使得转子的旋转运动可以由编码器测量。 固定地固定到转子的电子水平面(190),例如通过支架(180)。 编码器,旋转台和液位每个电子耦合到控制系统,该控制系统适于从编码器获取读数,并从控制系统获得读数,并且指令转子相对于定子的受控旋转。
    • 6. 发明申请
    • ARTICULATED ARM COORDINATE MEASURING MACHINE
    • 铰链臂坐标测量机
    • US20090249634A1
    • 2009-10-08
    • US12417146
    • 2009-04-02
    • Bo PETTERSSON
    • Bo PETTERSSON
    • G01B5/008
    • G01B5/008G01B7/008G05B2219/33263G05B2219/37193G05B2219/37376G05B2219/40233G05B2219/45061
    • The invention relates to a coordinate measuring machine (CMM) for determining a measuring position of a probe. The CMM comprises an articulated arm having first and second ends and at least one joint between the first and the second end, the first end forming a base being positionable on a supporting surface, the second end being movable relative to the first end and having attached the probe. Further exists at least one sensing unit for measurement of an actual relative setting of said at least one joint and at least one computing unit for calculating a measuring position of the probe relative to the base, as well as for referencing the measuring position in an external coordinate system by using a provided base-position in the external coordinate system.
    • 本发明涉及一种用于确定探头的测量位置的坐标测量机(CMM)。 所述CMM包括铰接臂,所述铰接臂具有第一和第二端以及所述第一和第二端之间的至少一个接头,所述第一端形成基座,所述第一端可定位在支撑表面上,所述第二端可相对于所述第一端移动并具有附接 探针。 还存在用于测量所述至少一个关节的实际相对设置的至少一个感测单元和用于计算探针相对于基座的测量位置的至少一个计算单元以及用于参考外部测量位置 通过在外部坐标系中使用提供的基准位置来确定坐标系。
    • 7. 发明授权
    • Actively stabilized platform system
    • 积极稳定的平台系统
    • US5922039A
    • 1999-07-13
    • US716568
    • 1996-09-19
    • Raymond V. WelchWilliam W. DorseyStephen J. FujikawaCharles F. SettgastDavid Reed
    • Raymond V. WelchWilliam W. DorseyStephen J. FujikawaCharles F. SettgastDavid Reed
    • H01Q1/18H01Q1/34G06F19/00
    • H01Q1/34H01Q1/18G05B2219/37376G05B2219/45001G05B2219/50046
    • A stabilized platform useable for various purposes to provide compensation for motion in two axes, such as pitch and roll on a ship. The system operates independently of the object to be stabilized and without the use of gyroscopes by using accelerometers, position sensors and a proportional drive controller augmented with estimation and filtering. The mechanical design reduces size, weight, and power requirements, by providing a system including a stabilized structure; a base structure for supporting the stabilized structure; an enclosure to protect the system from environment elements; first sensors for measuring angular displacements of the stabilized structure with respect to the base structure; and second sensors for measuring acceleration data and acceleration vector angles; and a processor for receiving the angular displacements of the stabilized structure with respect to the base structure from the first sensors and determining an angle of the base structure relative to the stabilized structure, for receiving the acceleration data and acceleration vector angles from the second sensors and determining a direction of local vertical relative to the base structure, and for maintaining the stabilized structure at a desired orientation utilizing the angle of the base structure relative to the stabilized structure and the direction of local vertical relative to the base structure.
    • 一个稳定的平台,可用于各种目的,以提供两个轴上的运动补偿,例如船上的俯仰和滚动。 该系统独立于要稳定的物体运行,并且不使用陀螺仪通过使用加速度计,位置传感器和具有估计和滤波的比例驱动控制器。 机械设计通过提供包括稳定结构的系统来减小尺寸,重量和功率要求; 用于支撑稳定结构的基础结构; 保护系统免受环境因素的外壳; 用于测量稳定结构相对于基座结构的角位移的第一传感器; 以及用于测量加速度数据和加速度矢量角度的第二传感器; 以及处理器,用于从所述第一传感器接收相对于所述基座结构的所述稳定结构的角位移,并且确定所述基部结构相对于所述稳定结构的角度,用于接收来自所述第二传感器的加速度数据和加速度矢量角,以及 确定相对于基础结构的局部垂直方向,以及利用基底结构相对于稳定结构的角度和相对于基部结构的局部垂直方向将稳定的结构维持在期望的方向。