Special back towing bracket for directional drilling crossing of pipeline

• Main Authors: NIU QINGLEI, ZHANG LI, LI BO
• Format: Patent
• Language: Chinese; English
• Published: 10.06.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a special back towing bracket for pipeline directional drilling crossing, which relates to the technical field of pipeline construction, and comprises a structure main body, the bottom of the structure main body is provided with a bottom frame, the top of the bottom frame is provided with a support frame, and the middle position of the top of the support frame is uniformly connected with a plurality of groups of first rolling balls in a rolling manner; blocking frames are rotationally connected to the two sides of the supporting frame correspondingly, butt joint blocks are arranged at the two ends of the two sides of the supporting frame correspondingly, and electric telescopic rods are rotationally installed on the two sides of the top of the bottom frame correspondingly. When pipelines with different diameters need to be dragged back, the pipeline to be dragged back is firstly placed at the top of the supporting frame, then under the action of electric power, the length of the ou