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预埋螺母对偏心连接件接合性能的影响

陈于书 肖宇虹

陈于书, 肖宇虹. 预埋螺母对偏心连接件接合性能的影响[J]. 北京林业大学学报, 2016, 38(9): 87-94. doi: 10.13332/j.1000-1522.20160049
引用本文: 陈于书, 肖宇虹. 预埋螺母对偏心连接件接合性能的影响[J]. 北京林业大学学报, 2016, 38(9): 87-94. doi: 10.13332/j.1000-1522.20160049
CHEN Yu-shu, XIAO Yu-hong.. Impact of embedded nut on the joint property of eccentric fittings.[J]. Journal of Beijing Forestry University, 2016, 38(9): 87-94. doi: 10.13332/j.1000-1522.20160049
Citation: CHEN Yu-shu, XIAO Yu-hong.. Impact of embedded nut on the joint property of eccentric fittings.[J]. Journal of Beijing Forestry University, 2016, 38(9): 87-94. doi: 10.13332/j.1000-1522.20160049

预埋螺母对偏心连接件接合性能的影响

doi: 10.13332/j.1000-1522.20160049
基金项目: 

林业公益性行业科研专项(201404502-1)。

详细信息
    作者简介:

    陈于书,博士,副教授。主要研究方向:家具设计及工程。Email:709365370@qq.com地址:210037江苏省南京市玄武区龙蟠路159号南京林业大学家具与工业设计学院。

Impact of embedded nut on the joint property of eccentric fittings.

  • 摘要: 为探索新型嵌入件螺母的可行性,以预埋螺母类型为单一变量,系统研究了T型和L型结构下,5种常用预埋螺母和2种新型嵌入件螺母对偏心连接件接合性能的影响,对比各连接方式的破坏弯矩、刚性效率、破坏特征等。结果表明:1) 各预埋螺母的破坏弯矩:嵌片嵌入件≈柱体嵌入件>梯形螺母≈内外牙螺母>尖刺螺母>四爪螺母>尼龙胶塞;2) 各预埋螺母的刚性效率:内外牙螺母>嵌片嵌入件≈柱体嵌入件≈梯形螺母>四爪螺母>尼龙胶塞>尖刺螺母;3)7种预埋螺母的破坏弯矩和刚性系数,T型构件较L型分别高约26.7%、26.8%;4)嵌入件螺母主要破坏特征为三合一连接杆和偏心轮的形变破坏,常用预埋螺母大多为预埋螺母拔出导致的木材撕裂破坏或局部挤压破坏;5)柱体嵌入件螺母T型连接方式中,在仅更换破坏的连接杆和偏心轮情况下,第2次破坏较第1次破坏破坏弯矩仅下降3.1%。预埋螺母类型对偏心连接件破坏弯矩影响显著,嵌入件预埋螺母较常用预埋螺母破坏弯矩大、刚性效率高,可通过更换破坏五金件实现板件的重复利用,具有明显的优势和可行性。

     

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出版历程
  • 收稿日期:  2016-01-28
  • 刊出日期:  2016-09-30

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