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辽宁桥式起重机打滑的原因 辽宁桥式起重机消除打滑方法

辽宁桥式起重机打滑的原因及消除

The cause of the bridge crane skid and eliminate

辽宁桥式起重机打滑指车轮在轮道或地面上产生的有滑或在原地产生空转现象。辽宁桥式起重机打滑一般发生在启动或制动时。

Bridge crane skid refers to wheel on the wheel, or ground of slide or in situ have an idling phenomenon. Bridge crane skid generally happens at startup or when braking.

造成打滑的主要原因有电动机功率选择过大,驱动力大于车轮与道轨间最大摩擦力;车轮轮压小;制动器制动力矩过大,制动时间少于3~4s造成桥式起重机制动时打滑。

The main cause of skid have motor power to choose too large, driving force is greater than the maximum friction between wheels and rails; The wheel pressure small; The brake torque is too big, the braking time is less than 3 ~ 4 s cause of bridge crane brake skid.

消除辽宁桥式起重机打滑现象,首先必须分析产生打滑原因,根据不同原因采取相应措施。

Eliminate the phenomenon of bridge crane skid, first must analyze causes skid, take corresponding measures according to different reasons.

1 正确选择桥式起重机匹配电动机,不宜过大

1 correct selection of bridge crane, matching motor shoulds not be too big

2 中确计算桥式起重机载荷能力和轮压承载能力,保证车轮对车轮对轨面有足够压力。

2 is calculated carrying capacity of bridge crane load capacity and wheel pressure, guarantee the wheel to wheel to rail surface have enough pressure.

3 启、制动时间适宜,一般小车启动时间为4~6s,制动时间为3~4s。

3, braking time is appropriate, generally the car start time is 4 ~ 6 s, braking time is 3 ~ 4 s.

4 消除轨道霜雪、油污及积水以增加摩擦力。

4 eliminate orbit frost and snow, the oil and water in order to increase the friction.

更多辽宁桥式起重机资料技术资料尽在   辽宁门式起重机

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