为提高铁路现场工具器材的现代化水平,改善职工的劳动条件,确保铁路运输安全。由铁道部科学研究院金属及化学研究所与北京通海科技开发公司共同研制开发的“通用型高强度道岔钩锁器”,经过现场反复试验后定型,目前已投入批量生产,并率先在大秦铁路广泛应用。现已获得国家专利(专利号92236218.1)。 In order to improve the modernization level of railway tools and equipment at the scene, improve the working conditions of workers and ensure the safety of railway transportation. By the Institute of Metals and Chemical Research Institute of Ministry of Railways and Beijing Tonghai Science and Technology Development Company jointly developed a “universal high-strength switch off the hook,” after repeated field trials stereotypes, has been put into mass production, and take the lead in the Daqin Railway widely used. Now won the national patent (Patent No. 92236218.1).