Driving and parking braking integrated hydraulic caliper disc brake

The utility model discloses a driving and parking braking integrated hydraulic caliper disc brake. The single-acting parking brake system comprises a single-acting parking brake hydraulic oil cylinderand a dry caliper disc brake, a piston B of the single-acting parking brake hydraulic oil cylinder is connected with a brake piston A of the dry caliper disc brake, a driving position switch is arranged on the single-acting parking brake hydraulic oil cylinder, and the piston B retracts to touch the driving position switch to be connected. Compared with the prior art, the device has the beneficial effects that 1) the device is simple and convenient to use and low in use cost; 2) by adopting the device, the safety and high efficiency of the parking system can be ensured while the original service braking performance is not influenced, and meanwhile, the system can also be used as an emergency brake when the power of engineering machinery is lost; 3) the brake caliper can be used with low requirements for users and