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    • 1. 发明授权
    • Multiple actuator hydraulic system and rotary control valve therefor
    • 多执行器液压系统和旋转控制阀
    • US4838145A
    • 1989-06-13
    • US63558
    • 1987-06-18
    • Alexander H. SlocumJames P. Peris
    • Alexander H. SlocumJames P. Peris
    • F15B13/07
    • F15B13/07Y10T137/86654Y10T137/86662
    • A hydraulic system has a rotary valve which controls multiple hydraulic dces such as double-acting piston type actuators and which prevents deactivated devices from creeping. The valve has an outer housing and a rotatable inner member which form high pressure inlet, low pressure outlet, and control stages. The control stages utilize partial commutators (part circumferential grooves) and ports on the valve member selectively to couple control ports of the housing respectively to the inlet stage or the outlet stage by rotating the inner valve member (the control ports being connected to the hydraulic devices). At the inlet and outlet stages, the valve member has full annular commutators which communicate continuously with a high pressure inlet port and a low pressure vent port of the housing as the valve member is rotated. The valve member also has internal passageways which connect each control stage partial commutator and fluid port to either the inlet commutator or the outlet commutator. The control stages are arranged such that control ports not selected for coupling to the inlet stage will be coupled to the outlet stage and therefore vented to low pressure. This prevents any high pressure fluid leakage within the valve from flowing to non-selected devices, which therefore cannot creep. Thrust loads on the rotatable valve member are prevented by porting the inner end of the valve member to the outlet commutator in order to vent fluid from the closed inner end of the housing.
    • 液压系统具有旋转阀,其控制多个液压装置,例如双作用活塞式致动器,并且防止停用的装置爬行。 阀具有形成高压入口,低压出口和控制级的外壳和可旋转的内部构件。 控制级使用部件换向器(部分圆周槽)和阀构件上的端口选择性地通过旋转内部阀构件(控制端口连接到液压装置)将壳体的控制端口分别连接到入口级或出口级 )。 在入口和出口阶段,阀构件具有完整的环形换向器,其随着阀构件的旋转而与壳体的高压入口和低压通气口连续连通。 阀构件还具有内部通道,其将每个控制级部分换向器和流体端口连接到入口换向器或出口换向器。 控制级布置成使得未被选择用于联接到入口级的控制端口将联接到出口级并因此被排放到低压。 这防止阀内的任何高压流体泄漏流入未选择的装置,因此不能蠕变。 通过将阀构件的内端移动到出口换向器来防止可旋转阀构件上的推力负载,以便从壳体的封闭内端排出流体。
    • 2. 发明授权
    • Micromanipulator system
    • 微操纵器系统
    • US4694230A
    • 1987-09-15
    • US838748
    • 1986-03-11
    • Alexander H. SlocumJames P. Peris
    • Alexander H. SlocumJames P. Peris
    • B25J9/18B66B9/02G05B19/42G05B19/10
    • B66B9/02G05B19/42G05B2219/36417G05B2219/37292G05B2219/37357G05B2219/37425G05B2219/39319G05B2219/40087G05B2219/49113G05B2219/49283G05B2219/50168
    • A micromanipulator system for precisely positioning an object in an xz plane and then grossly moving the object in the y direction into a hole z is disclosed. The micromanipulator system includes a base and a platform mounted to the base having five different degrees of movement (in the x direction, y direction, z direction, about the x axis, and about the z axis). Suitable moving mechanisms are provided for reversibly moving the platform in the five degrees of movement. Four of the degrees of movement being for fine or precise positioning of the platform and the fifth degree of movement in the y direction being a coarse positioning movement. A device for holding the obejct to the platform is then provided such that after precisely positioning the platform in the xz plane, the object is coarsely moved in the y direction toward the hole. Preferably, a device is provided for detecting an opposition force to the coarse movement of the object in the y direction. In addition, measuring devices are provided for measuring movements of the platform in each of the five degrees of movement. Preferably, the moving mechanisms are linear actuators, two of which serve for axles for rotation of the platform about the x and z axes. A suitable rolling friction system is provided with the linear actuators which includes a ball in a rounded trough. The object is inserted in the hole by a suitable search pattern after a robot initially locates the micromanipulator adjacent the hole.
    • 公开了一种用于将物体精确定位在xz平面中,然后将物体沿y方向大致移动到孔z中的显微操纵器系统。 显微操纵器系统包括底座和安装到基座的平台,其具有五个不同的运动程度(x方向,y方向,z方向,绕x轴,绕Z轴)。 提供适当的移动机构用于在五个运动中可逆地移动平台。 用于精细或精确定位平台的运动程度的四个和在y方向上的第五运动程度是粗略的定位运动。 然后提供用于保持对平台的装置,使得在将平台精确地定位在xz平面中之后,物体在y方向上朝向孔粗略移动。 优选地,提供用于检测物体在y方向上的粗略移动的对抗力的装置。 此外,提供测量装置用于在五个运动的每一个中测量平台的运动。 优选地,移动机构是线性致动器,其中两个用于用于使平台围绕x和z轴旋转的轴。 提供了一种合适的滚动摩擦系统,其中包括在圆形槽中的球的线性致动器。 机器人最初将微型操纵器定位在孔附近之后,通过合适的搜索模式将物体插入孔中。
    • 3. 发明授权
    • Method and mechanism for fixturing objects
    • 固定物体的方法和机构
    • US4685661A
    • 1987-08-11
    • US747486
    • 1985-06-21
    • Alexander H. SlocumJames P. Peris
    • Alexander H. SlocumJames P. Peris
    • B23Q16/00B25B1/18B25B1/20B25B1/24B23Q3/00
    • B25B1/241B23Q16/001B25B1/18B25B1/20B25B1/24B25B1/2405B25B1/2452
    • A programmably controllable vise has mechanisms for automatic adjustment oforkpiece position relative to three orthogonal axes. The positions of the vise jaws (during clamping) establish workpiece position along a first axis, and stop members (e.g., piston actuated stops) selectively extendable from the jaws establish workpiece position along a second axis. Two levelling bars supported adjacent the jaws by respective servo-actuators (e.g., double-acting piston type actuators) which adjust the bars along the jaws establish workpiece position along the third axis, as well as workpiece tilt about the first and second axes. Because the adjustments may be made automatically, the vise may operate unattended, with workpieces being loaded and unloaded by a robot. The vise jaws preferably incorporate replaceable jaw elements which are constructed for attachment and removal by a robot and which may be machined to accommodate non-prismatic workpieces. One of the jaws may be fixed to a housing of the vise, with the other jaw being supported on a movable carriage driven by a feedback-controlled linear drive. An open side of the housing adjacent the jaws is protectively covered by a sheet metal band wrapped around the housing and having opposite ends respectively attached to the front and rear of the carriage. The band circulates around the housing with movement of the carriage, and the open side of the housing thus remains covered to avoid the entry of contaminants.
    • 可编程控制的虎钳具有相对于三个正交轴自动调整工件位置的机构。 虎钳爪的位置(在夹紧期间)沿着第一轴线建立工件位置,并且从钳口选择性地延伸的止动构件(例如,活塞致动止动件)沿第二轴线建立工件位置。 通过相应的伺服致动器(例如,双作用活塞式致动器)支撑的两个平衡杆,其沿着钳口调节杆沿着第三轴线建立工件位置以及围绕第一和第二轴线的工件倾斜。 由于可以自动进行调整,所以台钳可以无人值守操作,工件由机器人装载和卸载。 虎钳爪优选地包括可更换的爪元件,其被构造用于机器人的附接和移除,并且可以被加工以适应非棱柱形工件。 钳口中的一个可以固定在台钳的壳体上,另一个爪被支撑在由反馈控制的线性驱动器驱动的可移动托架上。 邻近夹爪的壳体的开口侧由围绕壳体的金属带保护地覆盖,并且具有分别附接到托架的前部和后部的相对端部。 该带通过滑架的运动在壳体周围循环,并且壳体的敞开侧因此保持被覆盖,以避免污染物的进入。
    • 6. 发明授权
    • Force monitoring methods and apparatus
    • 力监测方法和装置
    • US08047085B2
    • 2011-11-01
    • US12472840
    • 2009-05-27
    • Raymond C. CadyJames P. PerisG. Clinton Shay
    • Raymond C. CadyJames P. PerisG. Clinton Shay
    • G01L5/12
    • C03B17/068G01L5/16
    • Methods and apparatus (7) for monitoring the tension (17) and pinch force (19) associated with the contact of angled stub rollers (91) with a glass ribbon (23) are provided. The apparatus (7) includes a support member (39) which supports the shaft (13) of the stub roller (91). The support member (39) undergoes linear displacement (45) in response to tension (17) in the glass ribbon (23) and rotation (59) in response to a pinch force (19). The linear displacement (45) and rotation (59) are detected and converted to force values by a calibration procedure. By monitoring these forces, glass attributes such as residual stress can be improved which is of importance in glass sheets used in such applications as the manufacture of liquid crystal displays.
    • 提供了用于监视与玻璃带(23)的倾斜短轴(91)的接触相关联的张力(17)和夹紧力(19)的方法和装置(7)。 装置(7)包括支撑短轴(91)的轴(13)的支撑构件(39)。 响应于夹紧力(19),支撑构件(39)响应于玻璃带(23)中的张力(17)和旋转(59)而经历线性位移(45)。 线性位移(45)和旋转(59)被检测并通过校准程序转换成力值。 通过监测这些力,可以提高诸如残余应力之类的玻璃属性,这在诸如制造液晶显示器的应用中使用的玻璃板中是重要的。
    • 7. 发明授权
    • Method and apparatus for measuring machine cutting tool positions
    • 用于测量机床刀具位置的方法和装置
    • US4699551A
    • 1987-10-13
    • US838726
    • 1986-03-11
    • James P. Peris
    • James P. Peris
    • B23Q17/22G01B7/004
    • B23Q17/2216G01B7/004Y10T409/308624
    • An apparatus and method are provided for on-line measurement of a lathe cing tool position using a measuring head with a rotatable square plate engaged with three cylindrical plungers and a positioning mechanism for pivoting the measuring head. The positioning mechanism includes a movable member mounted on a base on the lathe headstock and a rotating unit for rotating the movable member about an axis. A stop member is provided to stop the movable member at a locating position. The measuring head includes a square plate supported inside a housing and rotatable about a y-axis therein. The plungers extend into the housing to contact the plate near its corners. In response to a force applied by a cutting tool mounted in a turret, the plungers move respectively in +x, -x, -z directions relative to the housing to cause the square plate to rotate correspondingly. A transducer detects the rotation of the square plate and provides an output signal which is calibrated to yield an indication of the absolute displacement of the plunger and hence the position of the cutting tool relative to a machine datum position.
    • 提供一种装置和方法,用于使用具有与三个圆柱形柱塞接合的可旋转正方形板的测量头和用于枢转测量头的定位机构在线测量车床切削刀具位置。 定位机构包括安装在车床头架上的基座上的可动构件和用于使可动构件绕轴线旋转的旋转单元。 设置止动构件以将可动构件停止在定位位置。 测量头包括支撑在壳体内并可围绕其中的y轴旋转的正方形板。 柱塞延伸到壳体中以在其拐角附近接触板。 响应于由安装在转台中的切割工具施加的力,柱塞相对于壳体以+ x,-x,-z方向分别移动,以使方板相应地旋转。 传感器检测方形板的旋转并提供输出信号,其被校准以产生柱塞的绝对位移的指示,并因此提供切削工具相对于机床基准位置的位置。