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    • 8. 发明申请
    • BENDING BEAM WEIGHING DEVICE
    • 弯曲光束称重装置
    • WO1989008822A1
    • 1989-09-21
    • PCT/AU1989000107
    • 1989-03-17
    • KELLENBACH, Arthur
    • G01G03/12
    • G01G21/10G01G3/1402G01G17/08G01G21/02
    • The weighing device has a bending beam (20, 31, 41) from which bending moment transmission means (35, 36, 42, 43) extend laterally. Relatively rigid members (24, 27, 30, 32) are coupled to the bending moment transmission means (35, 36, 42, 43) by force transmission elements (13, 37, 38). Loads applied to the rigid members (24, 27, 30, 32) are measured by a strain gauge (33) mounted on the bending beam (20, 31, 41). Each force transmission element (13, 37, 38) comprises a rectangular prismatic body of elastomeric material, such as natural rubber, which may have concave sides (15) to reduce shear forces in the body. Fixing studs (17) may be attached to plates (16) bonded to the upper and lower surfaces of the body. The material of the body is chosen to exhibit creep, hystersis and linearity characteristics approximating those of an ideal spring.
    • 称重装置具有弯曲梁(20,31,41),弯矩传递装置(35,36,42,43)从该弯梁横向延伸。 相对刚性构件(24,27,30,32)通过力传递元件(13,37,38)联接到弯矩传递装置(35,36,42,43)。 施加到刚性构件(24,27,30,32)的载荷通过安装在弯梁(20,31,41)上的应变仪(33)来测量。 每个力传递元件(13,37,38)包括弹性体材料的矩形棱柱体,例如天然橡胶,其可以具有凹面(15)以减小体内的剪切力。 固定螺柱(17)可以附接到结合到主体的上表面和下表面的板(16)。 选择身体的材料表现出与理想弹簧相似的蠕变,滞后和线性特性。