It's possible that the beam may break if the loads outweigh its supports. 如果负荷过重,主梁的断裂是有可能发生的。
It is provided with a telescopic bracket.The box beam at the external side of the telescopic part of the bracket is inserted into the square hole in the main beam. 其中,拖架具有可伸缩功能,是通过可伸缩部分外侧的箱形梁插入货台主梁的方孔中,选择箱形梁上孔的位置来实现的。