The utility model relates to a line construction tool, and specially relates to an adjustable line tackle, comprising a tackle body (1) and a track. The track mainly comprises a transverse rail (2) and an inclined rail (3) which are hinged to each other; the bottom of the transverse rail is provided with an elevating device (4) for supporting; one end of the inclined rail (3) obliquely supported on the ground; and the bottom of the tackle body (1) is mutually cooperated with the transverse rail (2) and the inclined rail (3) through double pulleys. The effects are provided as following: a lead is transferred to an insulating porcelain rod for colligation in a labor saving and time saving manner, unsafe factors are prevented, and simultaneously, damage to the lead is little.