篮球运动是我国开展最普及的运动项目之一,深受广大青少年学生的喜爱。但安置在室外的篮球架,由于风吹、日晒、雨淋,加之在篮球的不断撞击下,篮板易于断裂,连接篮板的燕尾槽容易松动,篮圈也容易下垂。篮板的价格昂贵,而一般学校的体育经费又很有限,因此,只要我们留心观察一下学校操场上安置的篮球架,其篮板和篮圈没有几副是完好的,特别是中小学,更为严 Basketball is one of the most popular sports in our country, and is loved by the majority of young students. However, due to the wind, the sun and the rain, and the constant impact from the basketball, the rebounding is easy to break. The dovetail connecting the backboard is easy to loosen and the ring is easily drooped. Rebounding boards are expensive, and sports expenses in schools are very limited. Therefore, as long as we look closely at the basketball stands placed on the school playground, there are few pairs of rebounds and baskets that are good, especially in primary and secondary schools.