KDC256/90D型煤矿用电动齿轨卡轨车，是以矿用隔爆型锂电池电源或

KDC256/90D型煤矿用电动齿轨卡轨车，是以矿用隔爆型锂电池电源或井下电缆供电为动力，采用永磁同步电动机驱动，在专用齿轨轨道上运行，主要用于煤矿井下物料、设备和人员的运输，可实现从地面或井底车场直达采掘工作面的运输工作。<br>采用永磁电机直接驱动，噪音小、无污染、效率高、响应快；采用传感器闭环矢量控制，可实现全速域速度精准控制（无极调速）、功率平衡和重载启动等功能；系统硬件冗余大、可靠性高，具备2.5倍过载启动能力；工作制动采用四象限变频回馈控制，无机械摩擦损耗；紧急制动器采用失效安全型制动器，安全可靠；采用矿用隔爆型锂电池电源供电，可快速换电，无续航里程限制；整机结构紧凑、体积小，井下适应性强；各个系统采用模块化设计，便于整机升级换代；配备备用液压系统，可为牵引车辆及其他设备提供液压动力；系统具备完善的机械、电气保护功能。

The KDC256/90D electric toothed rail clamp rail car for coal mines is powered by an explosion-proof lithium battery power supply or underground cable power supply, and is driven by a permanent magnet synchronous motor. It runs on a dedicated toothed rail track and is mainly used for the transportation of materials, equipment, and personnel underground in coal mines. It can achieve direct transportation from the ground or underground parking lot to the mining face.<br>Directly driven by a permanent magnet motor, with low noise, no pollution, high efficiency, and fast response; Adopting sensor closed-loop vector control, it can achieve precise control of full speed range (infinite speed regulation), power balance, and heavy load starting functions; The system has large hardware redundancy and high reliability, with a 2.5 times overload starting capability; The working brake adopts four quadrant variable frequency feedback control, without mechanical friction loss; The emergency brake adopts a fail safe brake, which is safe and reliable; Powered by a mining explosion-proof lithium battery power supply, it can be quickly changed without limit on range; The entire machine has a compact structure, small volume, and strong adaptability underground; Each system adopts modular design, making it easy to upgrade and upgrade the entire machine; Equipped with a backup hydraulic system that can provide hydraulic power for traction vehicles and other equipment; The system has complete mechanical and electrical protection functions.

KDC256/90D electric rack-and-rail car for coal mine is powered by mine flameproof lithium battery power supply or underground cable power supply, driven by permanent magnet synchronous motor, and runs on special rack-and-rail track. It is mainly used for the transportation of underground materials, equipment and personnel in coal mine, and can realize the transportation from the ground or the bottom yard to the mining face.<br> Directly driven by permanent magnet motor, with low noise, no pollution, high efficiency and fast response; The closed-loop vector control of sensor can realize the functions of accurate speed control (stepless speed regulation), power balance and heavy load start-up in full speed domain. The system has high hardware redundancy and reliability, and has 2.5 times overload starting ability; Working braking adopts four-quadrant frequency conversion feedback control, without mechanical friction loss; The emergency brake adopts fail-safe brake, which is safe and reliable; It is powered by mine flameproof lithium battery power supply, which can change power quickly and has no cruising range limit; The whole machine has compact structure, small volume and strong underground adaptability; Each system adopts modular design, which is convenient for upgrading the whole machine; Equipped with standby hydraulic system, which can provide hydraulic power for towing vehicles and other equipment; The system has perfect mechanical and electrical protection functions.