Fence device for maintenance site

The utility model discloses a retaining device for a maintenance site, which comprises a bracket, a baffle plate connected to the bottom of the bracket, a rod groove arranged on one side of the baffle plate, a fixed block arranged on one side of the rod groove, a rotating rod connected to one side of the fixed block, a support plate sleeved on the outer ring of the rotating rod, and a plurality of U-shaped fixed blocks arranged on the side surface of the bracket, a clamping block is movably arranged in an inner cavity of the U-shaped fixing block, and one side of the clamping block is connected with a connecting rod. The fence device can be quickly assembled through cooperative use of the inserting grooves, the U-shaped fixing blocks, the clamping blocks and the connecting rods, the clamping blocks at the two ends of the connecting rods are connected with the U-shaped fixing blocks on one sides of the two supports in a clamped mode, the U-shaped fixing blocks are fixed to one sides of the supports, connection