Height-variable wheel set device

The utility model discloses a height-variable wheel set device which comprises a supporting plate, a front wheel box and a rear wheel box, the top end of the front wheel box and the top end of the rear wheel box are rotatably hinged to the lower end of the supporting plate, wheels are installed in the front wheel box and the rear wheel box respectively, adjusting blocks capable of movably adjusting positions are installed in the front wheel box and the rear wheel box respectively, and the adjusting blocks are connected with the supporting plate. And the two adjusting blocks are detachably connected with each other. According to the height-variable wheel set device, the stepless height adjusting function of the wheel set device is achieved, operation is easy, the structure is stable, the application scene of the wheel set device is expanded, and repeated utilization of the wheel set device is achieved. 本实用新型公开了一种可变高度轮对装置，包括支撑板、前轮箱和后轮箱，所述前轮箱和后轮箱的顶端能转动地铰接在所述支撑板的下端，所述前轮箱和后轮箱内均安装有车轮，所述前轮箱和后轮箱均安装有能活动调位的调整块，两个所述调整块能