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    • 2. 发明授权
    • Tower crane with load limiting apparatus
    • 具有负载限制装置的塔式起重机
    • US3767061A
    • 1973-10-23
    • US3767061D
    • 1972-01-25
    • TAX HFRANKE RHOSLER K
    • TAX HFRANKE RHOSLER K
    • B66C23/90A47F5/02A47F13/00
    • B66C23/90
    • The load limiting apparatus of a tower crane, which inactivates the load lifting winch when a predetermined load is exceeded, is controlled in such a manner that the maximum permissible load Lmax varies with the angle Alpha between the boom and the horizontal, and the corresponding horizontal spacing a between the projections of the boom pivot and of the depending load carrying cable in a manner to satisfy the equation Lmax L0max k1a wherein L0max is the value of Lmax when a is at a minimum, and k1 is a proportionality factor and constant for all practical purposes. Under these conditions, the maximum tensile stress developed in the boom is constant, at least for an optimum boom length, while a varies between amin and amax, and the structural strength of the material can be fully utilized under all conditions.
    • 塔架起重机的负载限制装置在超过预定载荷时使起重绞盘失活的装置限制装置被控制为最大允许载荷Lmax随着悬臂与水平面之间的角度α而变化,并且相应的水平 以满足方程Lmax = L0max-k1a的方式在悬臂枢轴的凸起与悬挂负载传送电缆之间间隔a,其中当a为最小时,L0max为Lmax的值,k1为比例系数, 为所有实际目的不变。 在这些条件下,在起重臂中产生的最大拉伸应力是恒定的,至少对于最佳起重臂长度,而a和amax之间变化,材料的结构强度可以在所有条件下得到充分利用。
    • 3. 发明授权
    • Light display
    • 光显示
    • US3736832A
    • 1973-06-05
    • US3736832D
    • 1970-01-26
    • FRANKE HFRANKE R
    • FRANKE HFRANKE R
    • A63J19/00A63J17/00G09F13/34
    • A63J19/00A63J2019/003
    • A light display apparatus comprising a plurality of light sources controlled by circuitry and a display screen. The display apparatus can project images of an object onto the screen in several relative positions to create apparent motion in coordination with a sound wave signal. Illumination of the respective light sources is coordinated to respond to various amplitudes of a sound wave signal by contact structure placed in different actuated positions under control of divers voltage amplitudes of an output signal from an audio-amplifier.
    • 一种光显示装置,包括由电路和显示屏控制的多个光源。 显示装置可以在几个相对位置将物体的图像投影到屏幕上,以与声波信号协调来产生明显的运动。 通过在来自音频放大器的输出信号的潜在的电压幅度的控制下,通过位于不同的致动位置的接触结构来协调各个光源的照明来响应声波信号的各种振幅。
    • 4. 发明授权
    • Loading crane for shipping containers of different size
    • 装载起重机不同尺寸的集装箱
    • US3709543A
    • 1973-01-09
    • US3709543D
    • 1970-10-19
    • TAX HFRANKE R
    • TAX HFRANKE R
    • B63B27/10B66C1/10B66C1/00
    • B63B27/10B66C1/101B66C1/102
    • A crane for loading and unloading container ships and for otherwise handling large containers is equipped with two elongated lifting frames suspended from the cables or ropes of two hoists in such a manner that the frames may be longitudinally aligned in end-to-end relationship. Each frame is equipped to be lengthened in a direction away from the other frame by 5 ft. to 20 ft. of effective length, and the frames may be rigidly coupled so that the frame, singly or jointly, may carry any container having a length of 15, 20, 30, 35, or 40 feet.
    • 用于装载和卸载集装箱船并且用于处理大型集装箱的起重机配备有两个细长的提升架,这两个提升架以两个起重机的电缆或绳索悬挂,使得框架可以以端对端的关系纵向对齐。 每个框架被设计为在远离另一框架的方向上延长5英尺至20英尺的有效长度,并且框架可以刚性地联接,使得框架可以单独地或共同地承载任何具有长度的容器 15,20,30,35或40英尺。