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    • 5. 发明授权
    • Electronic winch monitoring system
    • 电子绞车监控系统
    • US07063306B2
    • 2006-06-20
    • US10888948
    • 2004-07-09
    • Mark E. SandersDavid E. Johnson
    • Mark E. SandersDavid E. Johnson
    • B99D1/08
    • B66D5/26B66D1/485B66D1/54
    • An electronic winch monitoring system for a winch having a fixed-ratio gearbox with input and output shafts, a winch drum connected to the output shaft, and an auxiliary brake connected to the output shaft activated by reducing the pressure in a brake release hydraulic circuit. The system comprises an input shaft speed sensor, an output shaft speed sensor, and an electronic control unit having a monitoring section and a brake control section. The monitoring section receives the speed signals, processes them to produce a calculated ratio of actual input to output shaft speeds, and produces a fault indication signal when the value of the difference between the calculated speed ratio and the fixed ratio exceeds a predetermined value. The brake control section, upon receiving the fault signal, reduces the hydraulic pressure in the brake circuit using a nonlinear pressure-time profile to engage the auxiliary brake and stop the winch drum.
    • 一种用于具有输入和输出轴的固定比率齿轮箱,连接到输出轴的绞盘鼓和连接到输出轴的辅助制动器的绞盘的电子绞盘监控系统,其通过减小制动解除液压回路中的压力来启动。 该系统包括输入轴速度传感器,输出轴速度传感器和具有监控部分和制动控制部分的电子控制单元。 监视部接收速度信号,处理它们以产生实际输入与输出轴转速的计算比,并且当计算出的速比与固定比之间的差的值超过预定值时,产生故障指示信号。 制动控制部分在接收到故障信号时,使用非线性压力 - 时间曲线来减小制动回路中的液压压力以接合辅助制动器并停止绞盘鼓。
    • 8. 发明授权
    • Hand and foot control system for an off-highway implement
    • 用于非公路工具的手脚控制系统
    • US5197347A
    • 1993-03-30
    • US822068
    • 1992-01-17
    • John M. MoffittMarvin L. MorrisDavid E. Johnson
    • John M. MoffittMarvin L. MorrisDavid E. Johnson
    • F16H59/06G05G11/00
    • F16H59/06G05G11/00Y10T477/656Y10T74/20012Y10T74/2022Y10T74/20612Y10T74/2066
    • A control system including interfaced hand and foot control assemblies for independently conditioning an off-highway implement by selectively positioning a regulator thereof relative a neutral position. The hand and foot control assemblies utilize a common force transfer mechanism in the form of a push/pull cable for moving and positioning the regulator. The foot control assembly includes a self-centered foot pedal and linkages for arranging the push/pull cable relative to the regulator in a manner inhibiting binding forces from being imparted to the cable. The hand control assembly requires independent movement of a control lever in two different planes to shift the hand control assembly from a neutral condition. Moreover, the hand control assembly is isolated from spring forces acting to self center the foot pedal and thus requires low operator efforts to adjust the position of the regulator. The control system of the present invention further includes a mechanism for governing operation of the regulator. A neutral switch assembly is preferably arranged in combination with the hand control assembly for controlling auxiliary functions on the implement.
    • 一种控制系统,包括接口的手和脚部控制组件,用于通过相对于中立位置选择性地定位其调节器来独立地调节非高速公路工具。 手和脚部控制组件利用用于移动和定位调节器的推/拉电缆形式的公共力传递机构。 脚踏控制组件包括一个以自我为中心的脚踏板和联动装置,用于以一种抑制绑定力传递给电缆的方式相对于调节器布置推/拉电缆。 手控组件需要控制杆在两个不同平面中的独立移动,以将手控组件从中性状态移动。 此外,手控组件与作用于使脚踏板自身中心的弹簧力隔离,因此需要较低的操作者努力来调整调节器的位置。 本发明的控制系统还包括用于调节调节器的操作的机构。 中性开关组件优选地与手控组件一起配置,用于控制器具上的辅助功能。