Portable speedometer for traffic equipment

The utility model discloses a portable speedometer for traffic equipment. The utility model belongs to the technical field of velocimeters, a tachymeter comprising a tachymeter body, wherein a shell is fixedly connected to the lower surface of the tachymeter body, bearings a are clamped to the left side face and the right side face of the tachymeter body, rotating shafts a are sleeved with the bearings a, the outer surfaces of the two rotating shafts a are fixedly connected with the two ends of a handle, the handle is located on the front side of the shell, and the outer surface of the handleis sleeved with a silica gel sleeve; a shell, a sleeve, a supporting column and a supporting leg are arranged; the supporting column can extend out of the sleeve; the ground is supported by the supporting legs; the distance of the supporting column extending out of the sleeve is controlled, the height of the shell away from the ground can be adjusted, the use condition of the speed measuring instrument body is adjusted, w