我国货车上目前使用的缓冲器,主要是三号、二号和新投产的MX-1型摩擦橡胶缓冲器,其他还有四号、五号、六号等杂型缓冲器。一九六七年,四方所和天津工厂曾对货车缓冲器进行过一次调查。该调查报告(已报送有关单位,并发表在《铁道车辆》1969年3、4期合刊上)提出的结论是正确的。在那次调查的基础上,设计了MX-1型摩 The buffer currently used on trucks in our country mainly includes the No. 3, No. 2 and MX-1 friction rubber buffers newly put into operation. Other types include the No. 4, No. 5 and No. 6 special shock absorbers. In 1967, Sifangsuo and Tianjin factories conducted a survey of truck bumpers. The conclusion of the investigation report (submitted to relevant units and published in the Joint Issue of Railways 1969, 3, and 4) is correct. On the basis of that survey, the MX-1 model was designed