轮椅作为一种代步工具,在八十年代以前,主要供先天性残疾人使用,结构非常之简单,称为三轮单车,用于转动连杆,经转动链使之行走,座垫是用帆布或木板制成,比较粗糙,现在基本上找不到了。 到了八十年代,随着人民生活日益提高,交通事故的不断增多,老年问题的出现,轮椅的产品进入研究及成熟期,由于轮椅使用的特殊性,材质要求较高,特别是工字斜撑管,每时每刻承受人的重力,不同材质的轮椅,结构上也有不同,铁管轮椅采用单工字斜撑管,铝合金轮椅采用双工字斜撑管,并且材料厚度是铁的一倍。 Wheelchair as a means of transport until the early 1980s, mainly for people with disabilities to use, the structure is very simple, known as the three-wheeled bicycle, used to rotate the connecting rod, the chain rotation to make travel, the seat cushion is canvas Or made of wood, rough, basically can not find it. In the 1980s, with the increasing people's life, increasing traffic accidents, the emergence of the elderly, wheelchair products into the research and maturity, due to the special nature of wheelchairs, the material requirements are high, especially the word diagonal brace Tube, bearing the gravity every moment, different material wheelchairs, the structure is also different, iron tube wheelchair with single-word diagonal tube, aluminum alloy wheelchair with double-word diagonal tube, and the thickness of the material is iron Times