Jointless track fast rail replacing work vehicle

The utility model relates to a fast rail replacing work vehicle for replacing a jointless track. The front and rear ends of the walking mechanism of the railway fast rail replacing work vehicle are provided with a guard rail resetting device, under the vehicle body between the two bogies of the walking mechanism are disposed a sleeper pressing device for pressing sleepers, a steel rail storing device for clamping and moving new steel rails and old steel rails, a steel rail positioner for positioning steel rails, and an operative position as needed at an interval. The sleeper pressing device and the steel rail positioner are respectively arranged close to the bogies at the both ends. The rail replacing work vehicle can marshall with other auxiliary work vehicles like coupler recovery vehicle etc. The procedures of above railway fast rail replacing work vehicle are divided into two parts, i.e. old steel rail storing work and new steel rail storing work, which are working at the same time. The fast rail replacing work vehicle can achieve the speed of more than 2km/h in rail replacing work, can meet the need of jointless track fast rail replacing work and can finish the replacing work in 50 meters, as well as is suitable for the construction in the road section with smaller curve radius, in addition, the vehicle has the advantages of safety and high degree of automatization.