Heavy-load synchronous belt linear module

The utility model discloses a heavy load type synchronous belt linear module. Comprising a profile base, a driving wheel bearing seat is arranged at one end of the profile base, a driven wheel bearing seat is arranged at the other end of the profile base, an open cavity and a closed cavity are formed in the profile base, a middle partition plate is arranged between the open cavity and the closed cavity, and a sliding block assembly is arranged in the open cavity; the sliding block assembly is connected with a synchronous belt main sliding table, a side sliding table is arranged on one side of the synchronous belt main sliding table, a lateral guide rail nut mounting groove is formed in one side of the profile base, and the lateral guide rail nut mounting groove is connected with a lateral sliding rail assembly through a lateral guide rail nut. The bottom of the side sliding table is connected with the lateral sliding rail assembly. A side linear sliding block for bearing is locked on the guide rail sliding bl