Self-propelled crawler traction pull type beet harvester

The invention discloses a self-propelled crawler traction pull type beet harvester, which relates to the technical field of beet harvesting equipment, and comprises an engine, a cab, a crawler traction chassis, trailer travelling wheels, a trailer, a threshing device, a crawler chassis main frame and a deep sinking wheel carrier, the crawler chassis main frame is connected with the front end of the trailer; a storage hopper is arranged on the trailer, and an unloading conveying belt is arranged in the storage hopper; a deviation rectifying frame is arranged at the front end of the crawler chassis main frame, and a sinking depth wheel frame is arranged at the front end of the deviation rectifying frame; a threshing device is arranged in front of the deep sinking wheel carrier; a sinking depth wheel is arranged below the sinking depth wheel carrier; a conveying screen is arranged below the crawler traction chassis, a miscellaneous soil removing conveying roller is arranged at the front end of the conveying scre