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我国石油矿场普遍使用重锤式防碰天车装置，针对其使用过程中存在的问题，经改进设计后，生产出结构简单而新颖的双重锤式防碰天车装置。经现场试验表明，该装置具有刹车灵敏、安全、可靠性高、寿命长、限位调整方便、制造成本低和技术经济效益和社会效益显著等优点，深受现场使用者的欢迎
In order to solve the problems existing in the process of using it, the heavy hammer anti-collision crane device is widely used in China’s oil mines. After the improved design, a simple and novel double-hammer anti-collision crane device is produced. The field tests show that the device has the advantages of brake sensitive, safe, high reliability, long life, convenient limit adjustment, low manufacturing cost and significant technical and economic benefits and social benefits