Fastener for subway rail: Fid-Bau Portal

Fastener for subway rail

LI HAO / JIN JING / ZHANG YEZHEN / GUO KANGKANG / YANG LIFEI

The invention relates to the technical field of fasteners, in particular to a subway rail fastener which comprises a bolt body and a bolt cap arranged on the periphery of the bolt body in a threaded and sleeving mode. A containing groove is formed in the periphery of the middle of the upper surface of the bolt cap, a blocking piece is placed at the bottom end of the interior of the containing groove, the portion, above the blocking piece, of the containing groove is filled with a binder, and a plurality of guide channels are formed in one side of the inner wall of the containing groove; the transmission adjusting device arranged at the bottom of the bolt body can effectively adjust the position of the block piece in the bolt cap, and when a subway rail accessory located between the bolt body and the bolt cap is loosened, the distance between the upper portion of the bolt cap and the bolt body is increased; according to the metro rail bolt, the containing groove is formed in the bolt body, so that a binder in the containing groove can enter the multiple guide channels by means of the lifting effect of the blocking piece, the fastening performance between the bolt body and the bolt cap can be further improved through the bonding effect of the binder, and the stability and safety of a metro rail are effectively improved.

本发明涉及紧固件技术领域，具体涉及一种地铁路轨的紧固件，包括栓体、以及螺纹套设在栓体外围的栓帽；所述栓帽上表面中部四周均开设有容置槽，所述容置槽内部底端摆放有格挡件，所述格挡件上方的容置槽内填充有粘结剂，所述容置槽内壁一侧开设有多个引导通道；通过在栓体底部设有的传动调节装置能够有效的调整栓帽内的格挡件的位置，当位于栓体与栓帽之间的地铁路轨配件出现松动扩大栓帽上方与栓体之间的距离时，使得容置槽内的粘结剂能够借助格挡件的抬升作用进入至多个引导通道内，从而能够通过粘结剂的粘合作用进一步提升栓体与栓帽之间的紧固性，有效的提升了地铁路轨的稳固安全性。

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