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    • 2. 发明授权
    • Proximity control system
    • 接近控制系统
    • US4947759A
    • 1990-08-14
    • US278852
    • 1988-12-02
    • Robert J. Uhl
    • Robert J. Uhl
    • B61L3/14B61L23/34
    • B61L23/34B61L3/14
    • A proximity switching system comrising a plurality of self-propelled vehicles mounted in tandem on a track and carrying magnetic proximity switches for controlling the vehicle propulsion. Each vehicle has a first magnet mounted on the front end at a first position, a second magnet mounted on the back end at a second position, a first magnetic reed switch mounted on the front end at a position congruent with the second position on the back end, and a second magnetic reed switch mounted on the back end at a position congruent with the first position on the front end. A pair of electric rails are mounted next to the track. Each vehicle includes contacts for receiving voltages on the rails. A DC motor drives the vehicles on the track in one of two directions dependent on the polarity of the voltages, and for not driving the vehicles in response to the closure of the first switch when the voltage has one polarity and in response to the closure of the second switch when the voltage has an opposite polarity. The magnet on a given vehicle has two functions: first, it will close the reed switch on an approaching vehicle if it comes within a predetermined distance from the given vehicle and second, it will bias a switch mounted adjacent to the magnet on the approaching vehicle to vary the distances that the switch opens or closes. The effect of the magnet on the front of the approaching vehicle is to apply a magnetic biasing field to the switch mounted adjacent to the magnet on the approaching vehicle. The magnet on the back of the given vehicle will provide a magnetic field in the same direction and therefore additive to the magnetic biasing field at the front of the approaching vehicle which additive magnetic and magnetic biasing fields when two vehicles are in proximity will cause the switch at the front of the approaching vehicle to close and disable the drive mechanism of the approaching vehicle.
    • 一种接近开关系统,包括串联安装在轨道上并承载用于控制车辆推进的磁接近开关的多个自行车辆。 每个车辆具有安装在第一位置的前端上的第一磁体,在第二位置安装在后端的第二磁体;第一磁簧片开关,安装在前端与位于背面的第二位置相同的位置 并且在与前端的第一位置一致的位置处安装在后端上的第二磁舌开关。 一对电动轨道安装在轨道旁边。 每个车辆包括用于在轨道上接收电压的触点。 DC电机根据电压的极性在两个方向中的一个方向上驱动车辆,并且当电压具有一个极性时响应于第一开关的闭合并且响应于闭合而驱动车辆 当电压具有相反的极性时,第二个开关。 给定车辆上的磁铁具有两个功能:首先,如果距离给定车辆处于预定距离内,则它将关闭接近的车辆上的簧片开关,其次将使靠近磁体的开关偏置在接近的车辆上 以改变开关打开或关闭的距离。 磁铁在接近车辆前方的影响是将磁偏置磁场施加到靠近接近的车辆上磁铁附近安装的开关。 给定车辆背面的磁体将在相同方向上提供磁场,因此与接近车辆前部的磁偏置场相加,当两个车辆接近时,附加磁场和磁偏置场将导致开关 在接近的车辆的前方关闭和禁用接近的车辆的驱动机构。
    • 3. 发明授权
    • Aerial transport system
    • 空中运输系统
    • US4345522A
    • 1982-08-24
    • US110333
    • 1980-01-08
    • Keiichi MiyamotoNaohiko InoueYasuhisa Takeuchi
    • Keiichi MiyamotoNaohiko InoueYasuhisa Takeuchi
    • B60M3/04B60M7/00B61L3/14B66C21/00B61B3/02B60L15/22
    • B60M3/04B60M7/00B61L3/14B66C21/00Y02T10/7258
    • Disclosed is an aerial transport system which comprises an aerial track having therealong a pair of electric current-carrying cables in a parallel relationship with respect to one another and with respect to the track, and self-propelled carriages. Each carriage has an electric current collector to collect electric power from the current-carrying cables and to supply the power to an electrical driving mechanism mounted thereon for driving wheels engaging with the track. The current-carrying cables are separated at longitudinal given intervals so as to define respectively independent electric power supply zones. The transport system further includes a system for controlling electric power supply for the vehicle or carriage including a mechanism for detecting a vehicle or carriage position in the track provided in each power supply zone. The vehicle or carriage position detecting mechanism has a circuit which is closed when the vehicle or carriage is present within the zone, and a detector for detecting an electric current flowing in the zone when the circuit is closed. The detector is associated with a holding relay control circuit. The holding relay controls an electric power supply control circuit having a controlling contactor connected with a contact of the holding relay.
    • 公开了一种航空运输系统,其包括具有沿着彼此并且相对于轨道和自推进滑架平行关系的一对电流承载电缆的架空轨道。 每个托架具有集电器,用于从载流电缆收集电力,并将电力供应到安装在其上的电驱动机构,用于驱动与轨道接合的轮子。 载流电缆以纵向给定间隔分开,以便分别独立地定义供电区域。 运输系统还包括用于控制车辆或车厢的电力供应的系统,其包括用于检测设置在每个供电区域中的轨道中的车辆或托架位置的机构。 车辆或滑架位置检测机构具有当车辆或滑架存在于区域内时关闭的电路,以及用于在电路闭合时检测在该区域中流动的电流的检测器。 检测器与保持继电器控制电路相关联。 保持继电器控制具有与保持继电器的触点连接的控制接触器的电力供应控制电路。
    • 6. 发明授权
    • Transport system with electric rail cars
    • 运输系统与电动轨道车
    • US5450796A
    • 1995-09-19
    • US184979
    • 1994-01-20
    • Tatsuya Sakagami
    • Tatsuya Sakagami
    • B61B13/06B60L13/00B61C13/04B61L3/14B65G1/04B61B3/00
    • B61C13/04B61L3/14B60L2200/26Y02T30/40
    • A transport system having a first electric rail car adapted to be propelled over a guide rail, a rail car stopping device being disposed separately from the first rail car along the guide rail, the first rail car having a brakeless motor, an electric power supply circuit for the motor, a wheel driven from the electric motor, a first limit switch, a second limit switch, the first and second limit switches being in the electric power supply circuit for selectively cutting off the supply of electricity to the motor, a stop engaging member, and stopping control device for a second electric rail car following the first electric rail car, the stopping control device having an elongated member projecting rearwardly from the first electric rail car for opening a second limit switch of the second electric rail car when the second electric rail car approaches the first electric rail car closer than a predetermined distance to prevent a collision between the first and second electric rail cars, the stopping control device having a flat control face portion for controlling an electrical limit switch of the second electric rail car so that the second rail car continues to move by its momentum after electric power to its motor was cut off when the second limit switch was opened by contact with the stopping control device.
    • 一种具有适于在导轨上推进的第一电动轨道车的运输系统,沿着导轨与第一轨道车厢分开设置的轨道车停止装置,第一轨道车辆具有无刷马达,电力供应电路 对于电动机,从电动机驱动的车轮,第一限位开关,第二限位开关,第一和第二限位开关位于供电电路中,用于选择性地切断对电动机的供电,停止接合 所述停止控制装置具有从所述第一电动轨道车厢向后突出的细长构件,用于打开所述第二电动轨道车辆的第二限位开关,当所述第二电动轨道轿厢 电动轨道车辆接近第一电动轨道车辆比预定距离更近,以防止第一和第二电动轨道车辆t之间的碰撞 他的停止控制装置具有平坦的控制面部分,用于控制第二电动轨道车厢的电气限位开关,使得当第二限位开关打开时,第二轨道车辆在其电动机的电力被切断之后继续移动其动力 通过与停止控制装置的接触。