Double-track railway tunnel inverted-arch side wall concrete pouring device and using method thereof

The invention discloses a double-track railway tunnel inverted-arch side wall concrete pouring device and a using method thereof. The double-track railway tunnel inverted-arch side wall concrete pouring device comprises a supporting device, a first longitudinal sliding chute, a second longitudinal sliding chute, a first rolling wheel, a second rolling wheel, a sliding shuttle groove and an extension shuttle groove which are fixed to the side face of a large hydraulic movable trestle; the top face of the supporting device tilts downwards in the radial direction of a tunnel; the first longitudinal sliding chute and the second longitudinal sliding chute are fixed to the top face of the supporting device in the longitudinal direction of the tunnel; the bottom face of the sliding shuttle grooveis provided with the first rolling wheel and the second rolling wheel which are be clamped in the first longitudinal sliding chute and the second longitudinal sliding chute correspondingly; and the extension shuttle groove i