工业管道。小螺杆的螺栓。规范。
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。
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.
注脂螺栓连接是钢结构无滑移连接的一种新方式，通过在螺杆与孔壁缝隙间填充环氧树脂的方式，达到无滑移的目的。
Injection bolt gives an alternative to slip resistant connection. For injection bolt, the clearance between the bolt and the wall of the hole is completely filled with a two component resin.
平垫片和弹簧垫片，它们安装在防退膨胀管和螺栓六角帽之间的螺杆上；
The flat gasket and the spring gaskets are arranged on the bolt between the ante-receding expansion pipe and the hexagonal cap of the bolt.
本实用新型公开了一种防盗螺栓，它包括花键式螺栓头（1）、法兰盘（2）及螺杆；
The utility model discloses an anti-theft bolt which comprises a spline bolt head (1), a flange plate (2) and a screw rod;
本实用新型公开了一种防盗螺栓，它包括花键式螺栓头（1）、法兰盘（2）及螺杆；
The utility model discloses an anti-theft bolt which comprises a spline bolt head (1), a flange plate (2) and a screw rod;
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