Dragging device for scraping of large slide carriage

The utility model discloses a dragging device for scraping of a large slide carriage, which is characterized in that the dragging device comprises a scraping support (1), the scraping support (1) is fixedly connected with a dragging support (2), the scraping support (1) is provided with a slide carriage (6), and a ram (5) is arranged on the plastic pasting surface (61) of the slide carriage (6) in a pressing manner; an adjusting mechanism (3) is fixedly arranged on the dragging support (2), a dragging oil cylinder (4) is fixedly arranged on the adjusting mechanism (3), one end of the dragging oil cylinder (4) is connected with a ram (5) through a connecting disc (47), and the other end of the dragging oil cylinder (4) is connected with a hydraulic control station (7) through an oil pipe. Accurate control over the dragging stroke, operation simplicity and automation degree can be effectively guaranteed, and the scraping and grinding device can be suitable for scraping and grinding of various large slide carria