Single-loop low-crossing high-span strain tower

A single-loop low-crossing high-span strain tower comprises tower legs, a tower body and a tower head, the tower head is sequentially provided with a ground wire cross arm, an upper wire cross arm anda lower wire cross arm from top to bottom, the ground wire cross arm comprises a left ground wire cross arm and a right ground wire cross arm, and the upper wire cross arm comprises a right upper wire cross arm and a left lower wire cross arm. The lower wire cross arm comprises a left lower wire cross arm and a right lower wire cross arm, a middle wire jumper cross arm is arranged on the upper portion of the tower head on the side perpendicular to the ground wire cross arm, a left lower wire tension string is hung on the left lower wire cross arm, and a left upper wire tension string is hungon the left upper wire cross arm; a right lower wire tension string is hung on the right lower wire cross arm, and a right upper wire tension string is hung on the right upper wire cross arm; a middle-lower wire tension string