Assembled guardrail

The utility model discloses a split mounting type guardrail, and relates to the technical field of road traffic guardrails. The assembled guardrail comprises a base, supporting legs and a guardrail body, two grooves are formed in each of the left side surface and the right side surface of the guardrail body, and reset mechanisms are arranged in the supporting legs. When the assembled guardrail is used and the guardrail body is slightly impacted, the long rotating shaft, the rotating chain wheel, the rotating drum, the rope, the limiting plate, the short rotating shaft, the fixing plate and the through hole are matched to drive the guardrail body to move correspondingly, so that the guardrail body is prevented from being damaged due to hard contact with a vehicle, and after the vehicle leaves, the guardrail body is prevented from being damaged. The guardrail body can be driven to reset under the torque effect of the torsion spring, traffic is prevented from being affected, through cooperation of the arranged m