In order to reduce the traffic accident caused by over high vehicles, a new design of laser height-limiting instrument based on laser phase-shift rang finding is introduced in the paper.
为了减少超高车辆所造成的交通事故，本文基于相位式激光测距原理，设计了单机可探测多条车道的激光车辆限高仪。
The paper describes the features of laser anti-impact in multi-function overhead crane and the idea of adding laser anti-impact system to the crane to avoid the accident of impact when crane moving.
阐述了多功能天车行走激光防撞技术的特点及增加激光防撞系统的设计思路。该系统的采用有效杜绝了天车在运行过程中相撞事故的发生。
应用推荐