Braking apparatus and method for storage and retrieval vehicles
    1.
    发明授权
    Braking apparatus and method for storage and retrieval vehicles 失效
    用于存储和检索车辆的制动装置和方法

    公开(公告)号:US5209325A

    公开(公告)日:1993-05-11

    申请号:US684410

    申请日:1991-04-12

    摘要: Novel braking system, assemblies, and methods for storage and retrieval vehicles finding particular application on dual mast storage and retrieval vehicles where it is important to brake both sides of a carriage disposed between the two masts simultaneously. The braking system comprises an actuator assembly which further comprises a tach/generator which derives rotational energy from the rate-of-travel of the carriage relative to an associated guide rail. An electrical circuit, which runs off power derived from the tach/generator, detects overspeed rate-of-travel of the carriage and sends an electrical signal, also deriving power from the tach/generator, to electrically actuate at least one brake. Each brake is firmly affixed to the carriage and comprises a cam which is electrically driven by a solenoid, to engage an associated guide rail when actuated. When the cam is actuated and the carriage falls toward the braking cam, interposed shock absorbers decelerate the carriage. The brake comprises a lower housing assembly which provides support for the cam and shock absorbers and an upper housing assembly against which the shock absorbers act to decelerate the carriage. An intermediate assembly suspends the lower housing assembly from the upper housing assembly, providing a rhomboid attachment whereby the shock absorbers are maintained in a substantially perpendicular disposition relative to the upper housing assembly independent of the offset of the lower housing assembly from the upper housing assembly.

    摘要翻译: 用于存储和检索车辆的新型制动系统,组件和方法在双桅杆存储和取回车辆上找到特定应用,其中重要的是同时制动设置在两个桅杆之间的滑架的两侧。 该制动系统包括致动器组件,该致动器组件进一步包括一个速度/发电机,其从相对于相关联的导轨的滑架的行进速度导出旋转能量。 从电动/发电机产生的功率消耗的电路检测到滑架的超速行驶速度,并且发送电信号,该电信号也从电动发生器发出电力,以电致动至少一个制动器。 每个制动器牢固地固定到滑架上,并且包括一个由螺线管电驱动的凸轮,以在致动时与相关联的导轨接合。 当凸轮被致动并且滑架朝向制动凸轮落下时,插入的减震器使滑架减速。 制动器包括下壳体组件,其提供对凸轮和减震器的支撑和上壳体组件,减震器用于使滑架减速。 中间组件将下壳体组件从上壳体组件悬挂,提供菱形附件,由此减震器相对于上壳体组件保持基本垂直的布置,而与下壳体组件与上壳体组件的偏移无关。

    Guide wire communication system and method
    2.
    发明授权
    Guide wire communication system and method 失效
    导线通讯系统及方法

    公开(公告)号:US4902948A

    公开(公告)日:1990-02-20

    申请号:US214242

    申请日:1988-07-01

    IPC分类号: G05D1/02

    CPC分类号: G05D1/0297 G05D1/0265

    摘要: A guidance system for guiding a plurality of unmanned vehicles along guide wires. A plurality of data communication circuits are provided which form an extensive network. A traffic control computer composes a coded vehicle instruction for assigning tasks and allocates resources to said unmanned vehicles. The traffic control computer polls the status of each vehicle at varying time intervals and receives a response from said vehicle.The network connecting the computer and the communication circuits prevents reception of data transmissions from more than one vehicle at a time. Other messages are temporarily stored.Data transmitters generate low frequency, low power signals which have a high data transmission rate.Digital data is converted at the transmitters into cosine waveforms of selected frequencies. The cosine waveforms are transposed into sine waveforms at receivers. Low impedance or high impedance characteristics are imposed upon the guide wires.A low frequency, high gain transmit antenna for each vehicle is prorated.

    摘要翻译: 一种用于沿导丝引导多个无人驾驶车辆的引导系统。 提供形成广泛网络的多个数据通信电路。 交通控制计算机构成用于分配任务的编码车辆指令,并向所述无人车辆分配资源。 交通控制计算机以变化的时间间隔轮询每个车辆的状态并接收来自所述车辆的响应。 连接计算机和通信电路的网络阻止一次从多于一个车辆接收数据传输。 暂时存储其他消息。 数据发射机产生具有高数据传输速率的低频,低功率信号。 发射机将数字数据转换成所选频率的余弦波形。 余弦波形在接收器处转换成正弦波形。 引导线上施加低阻抗或高阻抗特性。 每个车辆的低频,高增益发射天线是按比例分配的。

    Guide wire communication system and method
    3.
    发明授权
    Guide wire communication system and method 失效
    导线通讯系统及方法

    公开(公告)号:US4791570A

    公开(公告)日:1988-12-13

    申请号:US873032

    申请日:1986-06-11

    IPC分类号: G05D1/02 G06F15/48

    CPC分类号: G05D1/0297 G05D1/0265

    摘要: A guidance system for guiding a plurality of unmanned vehicles along guide wires. A plurality of data communication circuits are provided which form an extensive network. A traffic control computer composes a coded vehicle instruction for assigning tasks and allocates resources to said unmanned vehicles. The traffic control computer polls the status of each vehicle at varying time intervals and receives a response from said vehicle. The network connecting the computer and the communication circuits prevents reception of data transmissions from more than one vehicle at a time. Other messages are temporarily, stored. Data transmitters generate low frequency, low power signals which have a high data transmission rate. Digital data is converted at the transmitters into cosine waveforms of selected frequencies. The cosine waveforms are transposed into sine waveforms at receivers. Low impedance or high impedance characteristics are imposed upon the guide wires. A low frequency, high gain transmit antenna for each vehicle is prorated.

    摘要翻译: 一种用于沿导丝引导多个无人驾驶车辆的引导系统。 提供形成广泛网络的多个数据通信电路。 交通控制计算机构成用于分配任务的编码车辆指令,并向所述无人车辆分配资源。 交通控制计算机以变化的时间间隔轮询每个车辆的状态并接收来自所述车辆的响应。 连接计算机和通信电路的网络阻止一次从多于一个车辆接收数据传输。 暂时存储其他消息。 数据发射机产生具有高数据传输速率的低频,低功率信号。 发射机将数字数据转换成所选频率的余弦波形。 余弦波形在接收器处转换成正弦波形。 引导线上施加低阻抗或高阻抗特性。 每个车辆的低频,高增益发射天线是按比例分配的。