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基于SolidWorks的渐进式安全钳制动过程研究

Research of braking process on progressive safety gear based on SolidWorks
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摘要 为解决电梯安全钳的磨损和使用寿命等问题,利用Solid Works软件对渐进式安全钳的制动过程进行了仿真分析。通过SolidWorks/Motion对特定形式渐进式安全钳的制动过程进行了运动学仿真,得到了安全钳在制动时的减速度、摩擦力和制停距离动态变化曲线,在此基础上对安全钳的制动动态特性进行了分析,结合仿真结果和能量磨损理论对电梯型式试验、监督检验和定期检验3种不同制动形式过程中安全钳锲块的磨损进行了评价。研究结果表明,该特定形式渐进式安全钳在一次监督检验过程中的磨损量占使用寿命内总磨损允许量的6%,在一次定期检验过程中的磨损量占使用寿命内总磨损允许量的2.4%,安全钳的磨损将限制其使用寿命,因此必须规定安全钳的正常使用寿命以保证其能可靠工作。 In order to solve the problems of the safety gear's abrasion and lifetime, the simulation analysis of progressive safety gear in the braking process based on SolidWorks was investigated. The braking process of a particular type of progressive safety gear was simulated based on SolidWorks/Motion and variation curves of the deceleration, the friction and the sliding distance were obtained. The dynamic behavior of the progressive safety gear in the braking process was analyzed on this basis. The abrasion of wedge block during lift type test, supervisory in- spection and periodical inspection were evaluated based on the simulation result and the friction energy theory. The results show that the wear volume of a particular type of progressive safety gear during the supervisory inspection stands at around 6 percent of the total acceptable wear volume and stands at around 2.4 percent during the periodical inspection, the safety gear's abrasion will limit its lifetime, it's necessary to restrict the safety gear's normal lifetime to ensure that it can work reliably.
出处 《机电工程》 CAS 2015年第9期1218-1221,共4页 Journal of Mechanical & Electrical Engineering
关键词 SOLIDWORKS 电梯 渐进式安全钳 磨损 SolidWorks lift progressive safety gear abrasion
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