Mounting and adjusting device used before secondary grouting of track foundation bolt and construction method

The invention relates to the field of track construction, and discloses a mounting and adjusting device before secondary grouting of a track foundation bolt and a construction method. The mounting and adjusting device comprises a frame structure plate, and the left side and the right side of the frame structure plate are each provided with a plurality of clamping plates; the supporting structure plates are fixed to the upper surface of the frame structure plate, the supporting structure plates are inverted and face the L shape of the outer side of the frame structure plate, and vertical adjusting bolts facing downwards penetrate through the horizontal parts of the supporting structure plates; a horizontal adjusting bolt facing the outer side penetrates through the vertical part of the supporting structure plate. The vertical reinforcing plate is arranged on the upper surface of the frame structure plate, and a wing plate is arranged on the vertical reinforcing plate. The device is simple in structure, materia