Adjusting device for hydraulic braking system of forklift

The utility model belongs to the technical field of forklift hydraulic brake systems, and particularly relates to an adjusting device for a forklift hydraulic brake system, which comprises an air storage tank, an oil storage tank, a brake pump, a lagging adjusting valve, an adjustable front residual valve and an adjustable rear residual valve. An oil inlet of the brake pump is communicated with an oil outlet of the oil storage tank through a pipeline, an oil outlet of the brake pump is communicated with an inlet of the lagging adjusting valve through a pipeline, an outlet of the lagging adjusting valve is divided into two paths, one path is communicated with the rear residual valve through a pipeline, and the other path is communicated with the front residual valve through a pipeline. Hydraulic oil of the brake pump enters the rear residual valve and the front residual valve in sequence after being adjusted by the lagging adjusting valve, so that the braking time difference between the front wheel and the rea