Finite Element Analysis on Static Strength of Truck-mounted Workover Rig Derrick
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摘要: 车载修井机井架静强度分析中,通常略去绷绳和风载的影响,这与井架的实际工况不符。以ABAQUS软件为工具,对某车载修井机井架进行了有限元分析。在不同的静钩载及风载作用下,得出了井架所能承受的最大静钩载以及确定了井架薄弱点所处的位置。并通过计算合理地缩短了绷绳的斜拉范围。Abstract: Conventionally, the influence of guy wire and wind load on derrick was often ignored in the static strength analy-sis on derrick of truck-mounted workover rig, but it does not accord with the actual working conditions.This paper made the finite element analysis on a derrick of truck-mounted workover rig through ABAQUS software.Under different static hock loads and wind loads, the maximum static hock load the derrick can bear was obtained and the weak point position on der-rick was determined.Based on the calculation, the cable-stayed range of guy wire was reasonably shortened.
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Key words:
- derrick /
- finite element analysis /
- stress /
- static hock load /
- guy wire
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