首页>
外国专利>
DEVICE FOR MAINTAINING THE PARALLELNESS OF THE WALLS OF SOME SIMULATING MODELS FOR MINING WORKS
DEVICE FOR MAINTAINING THE PARALLELNESS OF THE WALLS OF SOME SIMULATING MODELS FOR MINING WORKS
展开▼
机译：用于维护采矿作业某些模拟模型的墙的并行性的设备
展开▼
页面导航
摘要
著录项
相似文献
摘要
the invention refers to a device for maintaining paralelismului pit walls during the run and experiment models of equivalent materials, used in mining research.the device according to the invention, provides for the mounting of threaded metal rods.equipped with a pair of wrench for maintaining desired distanu00e2ei and another pair of wrench rod for catching the metal skeleton.the rod is placed in the inside of metal tubes with larger diameter to eliminate contact between the rods and the formations move with the tubes.and inside thereof is inserted a spongy material which offers a low resistance to displacement of tubes with formation model.
展开▼
