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    Force transducer
    31.
    发明授权
    Force transducer 失效
    力传感器

    公开(公告)号：US4276772A

    公开(公告)日：1981-07-07

    申请号：US81348

    申请日：1979-10-03

    Applicant: Andrew C. Ferguson

    Inventor： Andrew C. Ferguson

    IPC: G01G3/14 ,  G01L1/22

    CPC classification number: G01G3/1412 ,  G01L1/2243

    Abstract: A force transducer comprises a block of material which is formed with a generally U-shaped or pi-shaped throughaperture 24 and a generally T-shaped throughaperture 26 in such a way as to form two loading members 10, 12 coupled together by first flexure elements 14, 16 which constrain the loading members to move in a predetermined direction under load and a second pair of flexure elements 18, 20 united by a connecting portion 22. In use, one loading member is connected to a fixture and the other is connected to a force receiver so that when one loading member is displaced relative to the other in said predetermined direction, the second flexure strips 18, 20 undergo a lateral deflection which is a measure of the applied force. This arrangement is particularly suitable for use with strain gauges as the flexures 18, 20 are subjected to a substantially uniform stress along their lengths when loaded.

    Abstract translation: 力传感器包括一块材料，其形成有大致U形或π形的通孔24和大致T形的通孔26，以便形成由第一挠曲元件连接在一起的两个装载构件10,12 14，16，其限制装载构件在负载下沿预定方向移动，第二对弯曲元件18,20由连接部分22联合。在使用中，一个装载构件连接到固定装置，另一个连接到 力接收器，使得当一个装载构件在所述预定方向上相对于另一个装载构件移位时，第二挠曲带18,20经受作为施加力的量度的横向偏转。 这种布置特别适用于应变仪，因为挠曲18,20在加载时沿其长度受到基本均匀的应力。

    Miniature load beams
    32.
    发明授权
    Miniature load beams 失效
    微型负载梁

    公开(公告)号：US4208905A

    公开(公告)日：1980-06-24

    申请号：US944757

    申请日：1978-09-22

    Applicant: Martin Spoor

    Inventor： Martin Spoor

    IPC: G01B7/16 ,  G01D5/16 ,  G01L1/22

    CPC classification number: G01L1/2243

    Abstract: Precision strain-gage transducers of low-cost construction, which lend themselves well to expression in the form of protectively-enclosed miniature load beams, are developed from sensing elements fine-blanked from wholly flat thin metallic sheet stock, the shaping and dimensioning of critical strain-responsive portions being controlled by the fine-blanking of both inner and outer edges of the element. Versatile mounting and loading provisions are conveniently associated with the element by way of simple openings formed laterally of the strain-responsive portions, and protective enclosure of sensitive strain gages and the strain-responsive portions is achieved by the transverse build-up of the element with stamped sheet-stock flanges affixed and sealed to it at spaced positions and to ends of a surrounding tubular bellows.

    Abstract translation: 低成本结构的精密应变计传感器以保护性封闭的微型负载梁的形式表现出来，是从完全平整的薄金属板材精细冲裁的感应元件开发出来的，关键的成形和尺寸 应变响应部分通过元件的内边缘和外边缘的精细冲裁来控制。 多种安装和装载方式通过简单的开口与应变响应部分横向形成，方便地与元件相关联，敏感应变计的保护外壳和应变响应部分通过元件的横向积聚来实现， 冲压的板料凸缘在间隔开的位置和周围的管状波纹管的端部处固定并密封。

    Parallel beam load cell insensitive to point of application of load
    33.
    发明授权
    Parallel beam load cell insensitive to point of application of load 失效
    平行梁称重传感器对负载点的应用不敏感

    公开(公告)号：US4128001A

    公开(公告)日：1978-12-05

    申请号：US833818

    申请日：1977-09-16

    Applicant: Eugene A. Marks

    Inventor： Eugene A. Marks

    IPC: G01G3/14 ,  G01L1/22 ,  G01L1/26 ,  G01L25/00

    CPC classification number: G01L1/2243 ,  G01G3/1412 ,  G01L1/26

    Abstract: A parallel beam load cell wherein sensitivity to transverse load position changes is reduced by changing the shape of one of the beams in the vicinity of one strain gage element whereby the neutral axis of said beam is changed with respect to said strain gage element. Longitudinal load position sensitivity is reduced by changing the cross sectional area of one of the beams adjacent one strain gage element.

    Abstract translation: 通过改变一个应变计元件附近的一个光束的形状，从而相对于所述应变计元件改变所述光束的中性轴线而改变对横向载荷位置变化的灵敏度的平行光束称重传感器。 通过改变邻近一个应变计元件的一个梁的横截面积来减小纵向载荷位置灵敏度。

    LOADPIN
    37.
    发明申请
    LOADPIN 审中-公开

    公开(公告)号：US20180087978A1

    公开(公告)日：2018-03-29

    申请号：US15276211

    申请日：2016-09-26

    Applicant: tecsis GmbH

    Inventor： Mark JONES ,  Bruce YOHR ,  Reinhold OST ,  Hasan MUSTAFA

    IPC: G01L1/04

    CPC classification number: G01L1/04 ,  G01L1/12 ,  G01L1/18 ,  G01L1/2243 ,  G01L1/24

    Abstract: A load pin configured for measuring a force, the load pin including two sensors spaced apart from each other for measuring stress or tension. An axis includes a lateral surface configured to be subjected to a load from an upside in an area of the axis between the two sensors. A slot divides the axis into a lower portion and an upper portion, the slot extending essentially in an axial direction of the axis.

    STRAIN GAUGE SPAN BLOCK
    40.
    发明申请
    STRAIN GAUGE SPAN BLOCK 审中-公开
    应变计数块

    公开(公告)号：US20170016756A1

    公开(公告)日：2017-01-19

    申请号：US14802257

    申请日：2015-07-17

    Applicant: Tesco Corporation

    Inventor： Brian Dale Dewald

    IPC: G01G3/14

    CPC classification number: G01G3/1402 ,  E21B3/02 ,  E21B44/00 ,  E21B47/0006 ,  E21B47/01 ,  G01L1/18 ,  G01L1/2243 ,  G01L1/242

    Abstract: A system includes a span block configured to couple with an extension from a top drive at a first end of the span block and configured to couple to a tubular at a second end of the span block. The system also includes a sensor block of the span block. The sensor block extends between the first end and the second end of the span block. Moreover, the sensor block is configured to provide an electronic indication of deformation of a portion of the sensor block in response to forces placed on the span block.

    Abstract translation: 系统包括跨距块，其被配置为在跨距块的第一端处与顶部驱动器的延伸部联接并且被配置为在跨距块的第二端处联接到管状件。 该系统还包括跨距块的传感器块。 传感器块在跨距块的第一端和第二端之间延伸。 此外，传感器块被配置为响应于放置在跨距块上的力而提供传感器块的一部分的变形的电子指示。

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