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一、引言我国新的汽车制动检验规范规定用检验制动距离和制动力取代检验轮胎印迹,这就给测检手段提出了新要求,促进了检测仪具的发展。近年来,有些单位先后研制成功了晶体管五轮仪,它比记录式五轮仪具有更多的优点,是较完善的仪器。但由于五轮仪的轮机构较笨重,安装校正还不够方便。因此,提出了研制“没有五轮的五轮仪”。五轮是五轮仪的主要传感器,不用五轮要保持仪器的功能不变,在技术上确非容易。不用五轮,也是国外同行长期以来的设想,在不断探索研制的过程中,也提出不少方案,但未
First, the introduction of China’s new car brake test specification test braking distance and braking force instead of test tire footprint, which gives the means of inspection put forward new requirements, and promote the development of testing instruments. In recent years, some units have successfully developed the transistor five wheel instrument, which has more advantages than the recorder five wheel instrument, is a better instrument. However, the wheel mechanism of the five-wheel device is bulky, and the installation and correction are not convenient enough. Therefore, proposed the development of “five rounds without five”. Five wheel is the main sensor of the five wheel device, do not have five wheel to keep the function of the instrument unchanged, technically not easy. Not five rounds, but also long-term foreign counterparts in the design, in the process of continuous exploration and development, but also put forward many proposals, but not