Tunnel reflector rapid installation device

According to the tunnel reflector rapid installation device, one end of an expansion bolt extends into a preformed hole, the other end of the expansion bolt is provided with an extension steel pipe, an I-shaped steel piece is fixed to the extension steel pipe, a fixed steel piece is arranged on the I-shaped steel piece, and a reflector is fixed to the fixed steel piece; according to the utility model, the expansion bolt extends into the preformed hole for fixation, the installation is simple, the disassembly is easy, the I-shaped steel sheet is fixed through the hoop, the fixed steel sheet and the reflector are arranged on the I-shaped steel sheet, the direction and the position of the reflector can be flexibly adjusted according to the site, and if a measuring point is damaged, the measuring point can be replaced timely and quickly, so that the construction progress is ensured. 一种隧道反光片快速安装装置,膨胀螺栓的一端伸入预留孔、另一端设置有延长钢管，延长钢管上固定有工字钢片，工字钢片上设置有固定钢片，固定钢片上固定有反光片；本实用新型采用膨胀螺栓伸入预留孔的方式进行固定，安装简单、容易拆卸，通过卡箍固定工字钢片，将固定钢片和反光片设置