The plate hydraulic support is selected as the research object, the model of the bracket under the impact load is established. The impact characteristics of the trapezoidal wave and the triangular wave are studied. The load waveform is subjected to the equivalent treatment and the simulation analysis under the partial load condition. The anti-eccentric loading ability of the plate hydraulic support is systematically studied. According to the test results, the improved method of the support is put forward,wh...
【更新日期】
2017-08-28
【分类号】
TD355.4
【正文快照】
0引言支护问题是困扰煤炭高效生产的重要问题,作为全机械化采煤设备的主体,液压支架的成本约为全机械化采矿设备总成本的70%,因此,降低液压支架的成本是提高综采设备竞争能力的关键。板式液压支架在安全性、经济性等方面具有明显优势,本文以工作阻力3 500 k N,最大高度2 600 mm
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