Fast rail-exchanging vehicle for jointless track and rail-exchanging method
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The invention relates to a fast rail-exchanging vehicle for a jointless track and a rail-exchanging method. The front and back ends of a travel mechanism of a fast rail-exchanging vehicle for a railway are provided with a guardrail recovering device; a crosstie-pressing device, a steel rail retraction device for clamping and moving a new steel rail and an old steel rail, a steel rail clincher and an operating position are arranged at intervals below the vehicle body between two bogies of the travel mechanism, the operating position is arranged according to the need; and the crosstie-pressing device and the steel rail clincher are arranged respectively close to the bogies at the two ends; and the vehicle can perform the marshalling operation together with the auxiliary vehicles, such as a fastener recovered vehicle, and the like. When the fast rail-exchanging vehicle for the railway is adopted for construction, the operation is divided into two parts of the old steel rail retraction operation and the new steel rail retraction operation which are synchronously carried out. The vehicle can reach the rail-exchanging speed of more than 2km/h, can be applied to the fast rail-exchanging need of the jointless track, complete the rail exchanging within 50 meters and is suitable for the construction needs of the section with less curve radius. The invention has the advantages of safety and high degree of automation.