Safety protection device of lifting type tread feeding frame

The utility model belongs to the technical field of rubber mechanical equipment, and relates to a safety protection device of a lifting type tread feeding frame. Comprising a fixed guide wheel support arranged on a rack, a transition wheel rotationally arranged on the fixed guide wheel support, a guide rod arranged in parallel with the rack, a guide groove vertically formed in the guide rod, a guide wheel movably arranged in the guide groove, a balancing weight arranged on the guide wheel and a pull rope. Wherein one end of the pull rope is connected to the tread feeding frame, and the other end of the pull rope bypasses the transition wheel and is connected to the balancing weight. Compared with the prior art, the lifting type tread feeding frame can be prevented from falling off. 本实用新型属于橡胶机械设备技术领域，涉及一种升降式胎面供料架的安全防护装置，包括设于机架上的固定导向轮支架、转动设于固定导向轮支架上的过渡轮、与机架并列设置的导向杆、竖直开设于导向杆上的导向槽、移动设于导向槽内的导向轮、设于导向轮上的配重块，以及拉绳；其中所述拉绳一端连接于胎面供料架，另一端绕过过渡轮连接于配重块上。与现有技术相比，本实用新型可避免升降式胎面供料架坠落。