Steel wire rope fixing and adjusting device and crane

The utility model discloses a steel wire rope adjusting device and a crane, and belongs to the technical field of hoisting equipment, the steel wire rope adjusting device comprises a fixing mechanism, a first traction mechanism and a second traction mechanism, the first traction mechanism and the second traction mechanism are arranged on the fixing mechanism, and the first traction mechanism and the second traction mechanism are arranged in parallel; wherein the structures of the first traction mechanism and the second traction mechanism are the same, and the first traction mechanism comprises an adjusting piece, a traction rope connected with the adjusting piece and a pulley block connected with the traction rope; the adjusting part is arranged on the fixing mechanism, the position of the adjusting part on the fixing mechanism is adjusted to take up and pay off the traction rope, and the pulley block is connected with the traction rope to change the direction of the traction rope. According to the utility mo