Lining trolley for construction of tunnel widening section

The utility model relates to the field of tunnel construction, in particular to a lining trolley for construction of a widened section of a tunnel. The lining trolley for construction of the tunnel widening section comprises a connecting base, a stand column, a support and a widening section formwork. The stand columns are arranged on the two sides of the connecting base through telescopic devices. A support is arranged on the outer side of the stand column, a widened section formwork is arranged on the outer side of the support, and the distance between the widened section formwork and the support is adjustable. A first moving device is arranged at the bottom of the stand column on one side of the connecting base and can move in the length direction of the tunnel. A second moving device is arranged at the bottom of the stand column on the other side of the connecting base, the second moving device can ascend and descend in the vertical direction, the second moving device is divided into two parts, one part c