Fortune roof beam car carry roof beam device on back

The utility model discloses a fortune roof beam car carry roof beam device on back, including preceding spandrel girder, back spandrel girder, controlling two and carry roof beam platform truck, four ball pivot supports on the back, wherein, every is carried the roof beam platform truck on the back and supports preceding spandrel girders through two ball pivot supports, two spandrel girders prop on four fortune liang chezhuliang through four spherical hinge abutments, and under complicated road conditions, four whole highly thereupon just undulations of fortune roof beam car change. The spandrel girder that utilizes ball -type hinge structure around, can wholly articulate the follow -up and adjust, and forms whole flexonics between the fortune roof beam car, can ensure that four normal operatings of transporting the roof beam cars can be adjusted again to pack the bridge gesture, ensures to carry on the back smoothly the roof beam. 本实用新型公开种运梁车的驮梁装置，包括前承重梁、后承重梁、左右两个驮梁台车、四个球铰支座，其中，每个驮梁台车通过两个球铰支座支撑前承重梁；两个承重梁通过四个