Intelligent refitting support for safety helmet

The utility model provides an intelligent refitted support of a safety helmet. The device comprises a first support strip and a push ring, a second supporting strip is welded to the middle of the topend of the first supporting strip. A micro hydraulic cylinder is welded at the top end of the second supporting strip; an output end flange of the micro hydraulic cylinder is connected with a hydraulic rod; a sleeve is welded at the top end of the hydraulic rod; a sliding groove is formed in the edge of the inner wall of the sleeve, a sliding block is installed in the sliding groove, a fixing rodis welded to the inner wall of the sliding block, a push ring is welded to the top end of the sleeve, an elastic rope is bolted to the top end of the push ring, a positioning block is welded to the top end of the fixing rod, and a bearing plate is installed on the outer side wall of the positioning block. According to the safety helmet, due to the fact that the first supporting strip and the second supporting strip are arr