Self-tilting type pallet fork rack for fork truck

The utility model discloses a self-tilting type pallet fork rack for a fork truck, which comprises a rear rack assembly, a front rack assembly, and a pallet force, wherein, the rear rack assembly, the front rack assembly and the pallet fork are hinged together through a tandem axle; two hydraulic oil cylinders are fixedly installed on the left and the right sides of the rear rack assembly; the piston of each hydraulic oil cylinder, after extending, is propped against the back of the front rack assembly; a steel pipe assembly matched with the oil inlet and the oil outlet of each hydraulic oil cylinder is installed inside the rear rack assembly; and the steel pipe assembly is externally connected to a hydraulic oil supply system. Before the gantry of the utility model is lifted to a high position and when the gantry tilts backwards, the gantry is guaranteed of staying still, thereby greatly improving the stability and safety of the whole vehicle, and further facilitating installation of additional attachments.