Wing opening type carriage four-corner telescopic stand column

• Main Author: XU HONGSHUAI
• Format: Patent
• Language: Chinese; English
• Published: 10.01.2023
• Subjects: LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; TRAILERS; TRANSPORTING

The wing opening type carriage four-corner telescopic stand column comprises an outer stand column body, an inner stand column body and a hydraulic cylinder, the outer stand column body comprises a front U-shaped profile and a rear cover plate, the rear cover plate is fixedly connected to the rear end of the front U-shaped profile, a plurality of positioning holes are formed in the middle of the front end face of the front U-shaped profile from top to bottom, and a hinge hole penetrating through the rear cover plate and the front U-shaped profile is formed in the bottom of the outer stand column body; the bottom of a cylinder body of the hydraulic cylinder penetrates through a hinge hole of the outer stand column to be hinged through a bolt; the inner stand column is sleeved with the outer stand column and sleeved with the hydraulic cylinder. A piston rod of the hydraulic cylinder extends into the inner stand column corresponding to the transverse baffle and is in a state of stretching to abut against or dise