Cross beam device of multi-folding safe labor-saving cover plate

The utility model relates to a cross beam device of a multi-fold safe labor-saving type cover plate, which comprises a rectangular pipe and guide devices, symmetrical driving devices are uniformly distributed on two sides of the rectangular pipe, symmetrical guide devices are arranged at two end parts of the rectangular pipe, and each guide device comprises a first guide assembly and a second guide assembly which have the same structure. The first guide assembly and the second guide assembly are symmetrically installed on the two sides of the end of the rectangular pipe, the first guide assembly comprises an upper guide assembly, a side guide assembly and a lower guide assembly, and the side guide assembly and the lower guide assembly are both installed on an upper guide support of the upper guide assembly. The multi-folding labor-saving cover plate is simple in structure, easy to produce and manufacture and convenient to install and operate, solves the problem of a multi-folding labor-saving cover plate of a