Device for pipe jacking curve tunneling

The utility model relates to the technical field of underground excavation construction, in particular to a device for pipe jacking curve tunneling, which comprises a pipe jacking machine main body and pipe joints, a plurality of groups of hinging components are arranged between the adjacent pipe joints, each group of hinging components comprises an auxiliary oil cylinder and a support, and the auxiliary oil cylinder is hinged on the pipe joint on the corresponding side through the support. A spherical groove is formed in the support; the auxiliary oil cylinders are connected through hydraulic oil pipes, each auxiliary oil cylinder comprises a cylinder body, a piston and a piston rod, spherical bosses are fixed to one ends of the cylinder bodies and the piston rods respectively, and the spherical bosses are contained in the spherical grooves; the space in the cylinder body is divided into a rodless cavity part and a rod cavity part, the hydraulic oil pipe comprises a branch I and a branch II, the rodless cavi