Novel cycloid hydraulic motor

The utility model relates to the technical field of hydraulic motors, in particular to a novel cycloid hydraulic motor. The novel cycloid hydraulic motor is composed of a rear cover, a supporting plate, a stator, a connecting plate, a body shell and a front cover, a limiting column is arranged at a left opening of a tooth groove, a limiting groove is formed in the right side face of the connecting plate, a positioning groove is formed in the limiting column, a positioning column is arranged on the left end face of a needle tooth, and the needle tooth is clamped with the limiting groove through the limiting column. Meanwhile, the positioning columns are clamped with the positioning grooves, so that the pin teeth are prevented from sliding off from the tooth grooves, and the pin teeth are convenient to assemble; a first power assisting assembly is arranged in the locking groove, a second power assisting assembly is arranged in the positioning groove, a third power assisting assembly is arranged in the groove of