The utility model discloses a beam manufacturing lateral shifting slide in advance, including base, smooth bed, thrustor, smooth berth is on the base, and smooth bed one end is provided with the thrustor, smooth bed is used for bearing and removing the roof beam, and the thrustor promotes roof beam lateral shifting. Smooth bed includes first channel -section steel, second channel -section steel, roller bearing, backing plate, and first channel -section steel is fixed on the base, and the second channel -section steel sets up in first channel -section steel, and the solid matter traverse has a plurality of roller bearings between first channel -section steel and the second channel -section steel, has placed roof beam bottom cushion plate on the second channel -section steel. The thrustor includes positioning seat, push jack, footstock, and the positioning seat is fixed on the base, and push jack one end is connected with the positioning seat, and the footstock is connected to the other end, and the footstock is kept away from push jack one side and is leaned on with the roof beam subsides. The utility model discloses a beam manufacturing lateral shifting slide in advance, simple structure, preparation low cost, simple structure is durable, uses the jack as power, and the cooperation scale can be realized the accurate accuse beam manufacturing body and take one's place, and is steady with the time shift liangping, the security height.