Profile shape milling and grinding device of railway track

A profile shape milling and grinding device of railway track comprises at least two cars, wherein the car before the operation direction is defined as the preceding car, and the car behind the operation direction is defined as the followed car; according to the basic operation sequence of the milling and grinding device, a milling device, a milling chamber, a milling iron scrap collection air compressor are arranged from the head to tail between a front operation turning frame and a back operation turning frame at the lower portion of a device rack of the front car; an operation driver room, operation driver room and high speed running function, a milling device hydraulic pump room, a milling device iron scrap collection air compressor room, a milling device electrical room, an iron scrap collection screw conveyor, an iron scrap air compressor vent port, left and right sides iron discharge bands are arranged on the upper portion of the device rack in the sequence front the head to tail; the back end potion of the chassis of the front car is provided with an air source system and a coupling traction device; a pneumatic air cylinder system is arranged on the upper portion of the device rack of the followed car in front of the operation direction; the diameter of the milling disk of the milling device is not less than 600 mm.