Scraper knife guide rail and angle position device gap adjusting mechanism for land leveler

The utility model discloses a scraper knife guide rail and angle position device gap adjusting mechanism for a land leveler, two ends of an angle position device are respectively provided with an inner hole extending inwards horizontally, an adjusting stud is accommodated in each inner hole in a matched manner to move in the inner hole, and one end, extending into the angle position device, of each adjusting stud is a conical head; the inner end part of the threaded hole is communicated with a vertical steel ball raceway; a steel ball is accommodated in the steel ball raceway and moves in thesteel ball raceway; a cushion block capable of extending into the steel ball raceway to be in contact with the steel ball is arranged on the base plate, and when the adjusting stud is screwed forwards, the conical head at the front end extrudes the steel ball to move downwards to push the cushion block and the base plate to move downwards to extrude the copper guide groove. The gap between the scraper knife guide rail and