Monorail vehicle framework size detection device

The utility model discloses a monorail vehicle framework size detection device which comprises a base platform (1), a first framework supporting seat mechanism (2), a second framework supporting seatmechanism (3), a first detection reference limiting mechanism (4), a second detection reference limiting mechanism (5), a detection reference expanding mechanism (8) and more than two supporting mechanisms (6). A first datum line (11) and a second datum line (12) are pre-carved on the base platform (1), detection of a to-be-detected framework is achieved through expansion of the first datum line (11) and the second datum line (12), and the detection device is easy to operate, accurate in detection, comprehensive in detection item point and efficient in detection. 本实用新型公开了一种单轨车辆构架尺寸检测装置，包括底座平台（1）、第一构架支撑座机构（2）、第二构架支撑座机构（3）、第一检测基准限位机构（4）、第二检测基准限位机构（5）、检测基准扩展机构（8）、两个以上的支撑机构（6），所述底座平台（1）上预刻有基准线一（11）及基准线二（12），通过对基准线一（11）及基准线二（12）的扩展，实现对待检测构架的检测，本实用新型操作简单、检测准确、检测项点全面、检测高效。