Telescopic stand column of semitrailer

• Main Authors: ZHANG GUOLI, ZHU JINGUANG, WANG YANG
• Format: Patent
• Language: Chinese; English
• Published: 13.09.2022
• Subjects: LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; TRAILERS; TRANSPORTING

The utility model discloses a telescopic stand column of a semitrailer, and relates to the technical field of semitrailers. The semitrailer carriage bottom plate comprises a semitrailer carriage bottom plate body and is characterized in that a plurality of stand columns are arranged on the outer side of the upper end of the carriage bottom plate body; a plurality of drawing square holes correspondingly matched with the stand columns are uniformly formed in the outer side of the carriage bottom plate body; spiral rods are rotationally connected into the drawing square holes; the outer sides of the screw rods are in threaded connection with inner side square pipes, and the inner side square pipes are in sliding fit connection with the drawing square holes; the outer side square tube and the inner side square tube of the carriage bottom plate body are fixedly connected with the stand columns. The side rail has the advantages that the positions of the side rails can be adjusted, cargoes can be conveniently carrie