Fork lift belt actuating device

The utility model discloses a fork lift truck belt transmission device, which is formed by arranging and connecting an axle change assembly, a belt, a setting wheel speed changing device, a gear pump, and an electric generator single-cylinder diesel engine. The utility model is characterized in that the axle change assembly (1) is fixed and arranged at the front end of a fork lift truck frame, a belt wheel on the axle change assembly is connected with a belt wheel at one end of the setting wheel speed changing device (3) through the belt (2), the setting wheel speed changing device (3) is arranged on the middle part of the fork lift truck frame, the belt wheel at the other end is connected with the belt wheel of the single-cylinder diesel engine (6) arranged on the rear part of the fork lift truck, the gear pump (4) is arranged on the upper part of a setting wheel device, an electric generator (5) is arranged between the gear pump and the single-cylinder diesel engine, and the gear pump (4) and the electric g