Suspension device and vehicle

The invention relates to the technical field of suspension devices, and discloses a suspension device and a vehicle. A first stator of the suspension device is connected with a first lifting lug; the first transmission structure comprises a first lead screw and a first nut assembly, the first nut assembly is fixedly connected with a first rotor of the first motor, and one end of the first lead screw is in transmission fit with the first nut assembly; the other end of the first lead screw is connected with the second lifting lug; the second stator is connected with the first lifting lug; the second transmission structure comprises a second lead screw and a second nut assembly, the second lead screw is fixedly connected with a second rotor of the second motor, and the second nut assembly and the second lead screw have a transmission matching state and a self-locking state; in the self-locking state, when the second nut assembly is stressed in the axial direction, the second lead screw and the second nut assembl