Agricultural greenhouse film covering device

The utility model discloses an agricultural greenhouse film covering device which comprises a base and second supporting columns, the top of the base is provided with a moving assembly, the two ends of the top of the base are fixedly provided with first supporting columns through screws respectively, and the interiors of the two first supporting columns are connected with first lifting columns respectively; the first supporting column and the second supporting column are connected with the first lifting column, the interiors of the two sets of second supporting columns are connected with the second lifting columns respectively, the tops of the two sets of second lifting columns are connected with the supporting frames respectively, and the moving assembly operates on the tops of the first supporting column and the second supporting columns. Two sets of arc-shaped rolling wheels are installed at the bottom of a rubber clamping plate in the moving assembly to be aligned with a greenhouse framework, the stabilit