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煤炭科学基金研究项目“选煤厂结构改进动力计算和减震措施研究”已于90年4月底通过总公司技术发展局组织的专家鉴定,评定该科研成果属国内先进水平,建议推广应用。从设计角度看,该科研成果密切结合当前选煤厂设计的需要,解决一些疑难问题,对指导今后选煤厂厂房振动计算有帮助。 该科研成果分三个专题: 1.梁系带有弹性支承体时,结构自振频率的合理计算,具体说,即是当筛子或其他机器通过弹簧支承在梁上时结构的自振频率计算问题。研究成果得出了一个很实用的结论,在此情况下,结构自振频率的计算可
The Research Project of Coal Science Fund “Research on dynamic calculation and damping measures for structure improvement of coal preparation plant” passed the expert appraisal organized by the Technology Development Bureau of the head office at the end of April 1990, and assessed that the scientific research results are at the domestic advanced level and it is recommended to popularize and apply. From a design point of view, this scientific research achievement closely combines the needs of the current coal preparation plant design, solves some difficult problems, and helps to guide the vibration calculation of the future coal preparation plant. The scientific research results are divided into three topics: 1. The reasonable calculation of the structure’s natural vibration frequency when the beam is provided with an elastic support body. Specifically, it is the calculation of the natural vibration frequency of the structure when the screen or other machine is supported on the beam by the spring. problem. The results of the study yield a very practical conclusion. In this case, the calculation of the structural natural frequency can be