Array ( [id] => 422 [memberid] => 1 [fimg] => /uploads/infos/u1/20200511/202005111589187786.png [tittle] => 钢轨鱼尾板的安装原理及作用 [keywords] => [contents] =>

 鱼尾板是一种用于钢轨与钢轨之间连接固定的紧固件，鱼尾板的使用比钢轨对 焊要省事省工，安装简单快捷，鱼尾板与鱼尾螺栓配套使用。鱼尾板中部设有鱼尾螺栓孔，沿鱼尾螺栓孔水平轴线的上、下两侧设有与钢轨相接触的接触面，与钢轨顶部相接触的接触面向上沿伸形成一段高于轨侧的过渡段，该过渡段沿鱼尾板长度方向形成中间高两端低的桥拱形。桥拱形鱼尾板结构可减少车轮对钢轨接头的冲击，增加了接头处钢轨纵向的连续性，提高了列车通过时的平顺性。

[create_time] => 2020-04-29 16:08:03 [update_time] => 2020-05-11 17:03:09 [clicknum] => 0 [status] => 1 [classid] => 317 [state] => 1 [reject] => [des] => 鱼尾板俗称道夹板，在钢轨接头处起连接作用。分为轻轨用鱼尾板、重轨用鱼尾板和起重轨用鱼尾板。 [listorder] => 0 [tagkeywords] => 4 [relatedkeywords] => 4 [labelkeywords] => Array ( [0] => ) [labelval] => Array ( [0] => ) [relatedinfos] => [toprelated] => 0 [istuijian] => 0 [seotittle] => [seokey] => [seodes] => [classname] => Array ( [id] => 317 [pid] => 0 [classname] => 产品知识 [icon] => [create_time] => 2020-04-29 16:02:44 [update_time] => [status] => 1 [listorder] => 0 [memberid] => 1 [seotittle] => [seokey] => [seodes] => ) )

回
到
顶
部