由内蒙古自治区公路局高级工程师辛国树等技术人员研制的一种可折叠、防盗的高速公路组合护栏,近日获国家实用新型专利,这是他从上世纪90年初以来在公路科技方面获得的第4项专利。高速公路一般每隔2公里在中央分隔带设置一段活动护栏装置。当道路维修或有意外事故发生,车辆需改道行驶时,可将这部分活动护栏拿掉或收拢,作为临时道口通行,事故处理完毕后,再 A collapsible and anti-theft freeway combination guardrail developed by technicians such as Xin Guoshu, a senior engineer of Highway Bureau of Inner Mongolia Autonomous Region, recently won the national utility model patent, which is the fourth item he has obtained in road science and technology since the early 1990s patent. The expressway is usually set at a distance of 2 km in the central divider with a fence activities. When the road maintenance or accident occurs, the vehicle needs to divert traffic, this part of the activities of the fence can be removed or Shoulong, as a temporary crossing passage, the accident is completed, and then