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不久前,一辆“白玉兰”牌折叠式自行车在一个名不见经传的小厂脱颖而出,并由此而引起了大家的极大关注。现就笔者了解的情况简要介绍如下。生产折叠式自行车的厂是上海市郊青浦县白鹤乡的一个乡镇企业,该厂原是一家生产阀门的小厂,只有300余名职工。1987年,该厂因产品经济效益差而转产自行车。该厂生产的这种折叠式自行车(由航天局803研究所设计和提供技术)的结构,是单斜梁方管形式,“U”形车把,不锈钢前后泥板,前后钳形闸,1/4链罩,20″前后车轮,快卸式上下可调鞍座。折叠的铰接点在下管下端处(离中接头约100毫米),旋转180°后,前轮即可与后
Not long ago, a “Magnolia” brand folding bicycle stood out in a small but unknown factory and caused great concern. Now I understand the situation briefly described below. The factory producing folding bicycle is a township and village enterprise in Baihe Township, Qingpu County, Shanghai. The factory was originally a small factory producing valves with only 300 workers. In 1987, the plant was converted into a bicycle due to the poor economic efficiency of its products. The structure of the folding bike produced by the plant, designed and supplied by NASA 803 Institute, is of the monocline square tube type with the U-shaped handlebars, stainless steel fore and aft mudflaps, front and rear clamp gates, 1 / 4 Chain cover, 20 "front and rear wheels, quick-release adjustable saddle up and down Folding hinge point at the lower end of the tube (about 100 mm from the adapter), rotated 180 °,