The friction force in the clutch works just like the blocks in the frication section of brake, except that the spring presses on the clutch plate instead of weight pressing the block into the ground.

离合器的摩擦力和制动器的摩擦力起一样的作用，不同的是压在地面上的重压力变成了离合器中弹簧压在离合器盘上的压力。

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The brake beam(connecting plate) is often broken, and the bolts for fixing the connecting plate are loosed due to the crane′s dynamic load when D series of crane beams are working in a steel plant.

某钢厂列吊车梁在工作中，由于吊车工作的动态作用，导致制动梁（连接板）经常发生断裂，固定连接板的螺栓松动。

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The test solution is to sense light shine, put the coil with the plate, a long red light when taking iron, brake rod fall automatically is normal.

测验办法是，地感红灯闪耀时，用铁板放在线圈上，红灯长亮时取走铁板，闸杆主动落下则正常。

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