Metal pipeline straightening device

• Main Authors: WANG LEI, LAI XIAOLEI, ZHANG YULIAN, SHEN QIXIA, SUN JINLI, YANG TIEZHU, MA CHUNYAN, WEI SHANCHENG
• Format: Patent
• Language: Chinese; English
• Published: 22.01.2014
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; TRANSPORTING; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL

The invention discloses a metal pipeline straightening device which comprises a fixing base, a screw rod in threaded connection with the fixing base, a connecting shaft and a repairing head. The screw rod, the connecting shaft and the repairing head are arranged with an identical rotating axial line, the two ends of the screw rod stretch out of the two sides of the fixing base respectively, one end of the connecting shaft is connected with the screw rod through a coupling, the other end of the connecting shaft is hinged to the repairing head, the repairing head is provided with a prism which is used for stretching into the inner portion of a pipe and carrying out repair on the pipe, an inserting groove used for enabling the end portion of the pipe to be inserted is formed in the end face, facing the repairing head, of the fixing base, radial jackscrews are evenly distributed around the circumference of the fixing base, and the end portions of the jackscrews stretch into the inserting groove. The metal pipelin