摘要
为了解决目前国内外大型立式快开盲板无专用吊装设备,需雇佣吊车方能开关的难题,通过对现有中小规格盲板进行动力驱动布局、材料优选、结构优化等创新设计,并采用有限元分析方法对关键零部件进行结构受力分析,研制出1台PN11、DN1500大型立式快开盲板。该盲板最大特点是具有自动提升与自动旋转功能,其旋转与提升机构具有足够的强度和刚度,完全满足安全操作要求;同时该盲板能够满足1人在5 min内轻松实现大型立式快开盲板开启的要求。通过现场开启测试,验证了所研制设备的合理性,提高了国产大型立式快开盲板的自动化水平。目前,该盲板已在实际管道站场项目中得到良好应用。
At present, no special lifting equipment is available for large vertical quick opening closure at home and abroad, so it cannot be switched without the hoist. To solve this problem, existing medium and small blinds were innovatively designed from the aspects of power driven layout, material selection and structure optimization, the stress on the key components was analyzed by means of finite element analysis method. And consequently, one large vertical quick opening closure(PN11 MPa, DN 1 500) was developed. Its most significant feature is the function of automatic lifting and automatic rotation. And the lifting and rotation mechanisms are strong and stiff enough to satisfy safe operation. This large vertical quick opening closure can be opened easily by one person within 5 minutes. Finally, its rationality was verified by means of on-site opening test. Based on this large vertical quick opening closure, the automation level of domestic large vertical quick opening closure is improved. It has been applied well in the actual projects of pipeline stations.
引文
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