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昆明钢铁厂罗次铁矿双革组于1978年11月试验成功了超高压软管接头加压器。这种加压器与并联的两台五十吨千斤顶联合使用,其结构简单合理,用起来方便。我们矿用这种加压器加工的超高压软管接头,经在3米~3液压柴油铲上进行的工业实验证明,当工作压力上升到320～400(公斤/厘米~2)时,未发现有渗漏、拔脱和炸裂现象,能够满足设备的正常运转。这一革新成果在罗次铁矿解决了软管加工问题,给生产带来一些有利条件,随时都可以加工更换接头。
Kunming Iron and Steel Plant Luozhuang Iron and Steel Shuanggu of the success of the test in November 1978 the ultra-high pressure hose joint pressure device. This type of pressurizer is used in combination with two 50-ton jacks in parallel. The structure is simple and reasonable and easy to use. Our mine ultra-high-pressure hose joints machined with this kind of pressurizer have been proved by industrial experiments on 3 ~ 3 hydraulic diesel shovels that when working pressure rises to 320 ~ 400 (kg / cm ~ 2) Found that leakage, pull-off and burst phenomenon, to meet the normal operation of equipment. This innovation has solved the problem of hose processing in Luozi Iron Mine, brought some favorable conditions for production and can process and replace joints at any time.