Breast board trailer

The utility model belongs to the field of road maintenance, and particularly relates to a breast board trailer which comprises a trailer body and a towing rack, the trailer body comprises a flat plate, at least one side of the flat plate is provided with a breast board, a plurality of wheels are installed at the bottom of the flat plate in a matched mode, and at least one wheel is provided with a wheel hydraulic brake. A brake oil cylinder is installed on the supporting and hanging frame in a matched mode and provided with a piston push rod, and the brake oil cylinder is connected with a wheel hydraulic brake in a matched mode through an oil pipe. The trailer has the advantages that the trailer can be automatically braked along with a cart, danger is avoided, and safety of the trailer is guaranteed; the breast boards are installed on the side faces of the flat plates, and objects are not prone to falling off. 本实用新型属于道路养护领域，具体涉及一种栏板拖车，包括拖车主体和拖挂架，所述拖车主体包括平板，所述平板至少一侧设置栏板，平板的底部配合安装若干车轮，所有车轮中至少有一车轮具有车轮液压制动器，所述托挂架上