文章摘要信息 关键词 : 拉杆;预紧力;水压机;有限元法 [gap=732]Keywords : tension-bolt;pretension;hydraulic press;finite element method
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tension bolt 拉紧螺栓 ; 力螺栓
high tension bolt 耐拉螺栓 ; 高拉力焊支
central tension bolt 中心拉紧螺栓
tension-bolt conmmutator 拉栓式换向器
rotor shoe tension bolt 转子端板拉紧螺栓
high strength tension bolt 高抗拉强度螺栓
tension wheel adjusting bolt 张紧轮调整螺栓
double-headed bolt tension meter 双头螺栓张力计
tension adjusting bolt 张力调节螺栓
So, in the same bolt tension narrow narrow smooth after the pressure stress increases.
这样,在螺栓张力相同的情况下,缩小后的窄光滑面的压紧应力就会增大。
It is difficult to pull out the bolt with ordinary socket wrench that can not provide axial tension because of the bolt drilling hole deformation and the collapse of holes.
煤矿井下可回收锚杆一般用于煤层巷道,由于锚杆钻孔的变形和塌孔等原因,用普通套筒扳手拆卸锚杆时,因不能给锚杆提供轴向拉力,很难将锚杆拆卸拔出。
As the bolt tension increase, the tension of rail web, stress of joint bar and stress of joint bolt would increase accordingly, but the displacement of rail would become smaller.
螺栓扭矩增大,接头区钢轨轨腰拉力、夹板应力、螺杆内应力都会增大,而钢轨位移会随着螺栓扭矩的增大而减小。
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