Four -wheel location lifts smooth device of machine side

The utility model discloses a four -wheel location lifts smooth device of machine side belongs to and cuts the flat board greatly and lift quick -witted field, by the board main part of sideslipping, big steel ball, steel ball dish, curb girder, extension spring mount pad, extension spring, extension spring stake, its characterized in that: install big steel ball on the steel ball dish, be equipped with big steel ball mounting hole and slot on its steel ball dish, the steel ball dish is laid on the curb girder, it is concentric with the middle slot of steel ball dish to be equipped with big round hole on its curb girder face, the curb girder back and extension spring mount pad assembly welding, the big round hole both sides of its extension spring mount pad assembly welding on the curb girder, the board main part of sideslipping is welded with the extension spring pile cluster, the board main part of sideslipping is pressed on the big steel ball of steel ball dish, the middle slot of steel ball dish is passed in its extension spring stake, pass the big round hole of curb girder, be connected with two extension springs between two extension spring mount pads and the extension spring stake. The utility model discloses simple structure, with low costs, it is inconvenient, with high costs that easily installation and maintenance, completion have compensatied four -wheel location lifts smooth device of machine side installation maintenance, and it is inflexible not enough to slide.