Asphalt needle penetration measurement device

An asphalt needle penetration measurement device comprises a workbench, a pillar, a machine head, a needle connection rod, a standard needle, a sample utensil, a non-contact displacement sensor and a controller, wherein the pillar is installed on the workbench and sleeved with the machine head, and a rough regulation mechanism for regulating the position of the machine head on the pillar is arranged between the machine head and the pillar; the needle connection rod is installed on the machine head, and a fine regulation mechanism for regulating the position of the regulation needle on the machine head is arranged between the needle connection rod and the machine head; the standard needle is installed at the lower end of the needle connection rod; the sample utensil is placed at a position of the workbench, corresponding to the standard needle; the non-contact displacement sensor is installed at the upper end of the pillar, and a detection end of the non-contact displacement sensor is corresponding to the need