Adjustable height limiting frame device

• Main Authors: ZHANG XIAOLONG, LIU WEIXING, XIAO YUAN, WANG SONGYUAN, XIAO LIQIANG
• Format: Patent
• Language: Chinese; English
• Published: 21.10.2022
• Subjects: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS

The utility model discloses an adjustable height limiting frame device which comprises two supporting columns, a jacking cylinder is inserted into the tops of the supporting columns, a threaded groove is formed in the surface of the jacking cylinder, and a fixing sleeve is fixedly connected to the surface of the jacking cylinder in a sleeved mode. According to the adjustable height limiting frame device, the jacking barrel is in threaded sleeve connection with the inner wall of the internal thread sleeve, the jacking barrel telescopically displaces in the supporting column according to the thread displacement principle, then the external surface of the internal thread sleeve is meshed with the inner wall of the closed sleeve, and the internal thread sleeve is positioned; the rotation of an internal thread sleeve is protected through a cap barrel and an external lock, the regulated and controlled limiting baffle plate is fixed, so that the limiting height of passing vehicles can be quickly regulated and contro