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Lordf Fin Tube-Manual tube expansion tool for finned tube

Manual tube expansion tool for finned tube
The utility model discloses a manual tube expansion tool for a finned tube, which includes a fixing plate, one end of the fixing plate is provided with a lifting ear, and the other end of the fixing plate is provided with a plurality of expansion rods. One end of the rod is screwed with an expansion head, and the other end of the fixed plate is further provided with a guide base, and the guide base is sleeved on the outside of the expansion rod, between the guide base and the expansion rod. A self-lubricating bearing is provided, and the expanded rod is slidingly fitted to the self-lubricating bearing. A guide groove is provided on one side of the guide base, and the diameter of the guide groove is matched with the diameter of the cooling pipe. A plurality of fastening threads are provided on the fixing plate, and the diameter of the fastening threads is larger than the diameter of the threads inside the expansion head. The utility model improves the quality of a finned tube, can process multiple finned tubes at the same time, improves production efficiency, is convenient, reliable, and has a long service life.
A manual tube expansion tool for a finned tube, comprising a fixing plate, one end of the fixing plate is provided with a lifting ear, the other end of the fixing plate is provided with a plurality of expansion rods, and one end of the expansion rod An expansion head is screwed, characterized in that the other end of the fixing plate is further provided with a guide base, and the guide base is sleeved on the outside of the expansion rod, and the guide base and the expansion rod are connected to each other. A self-lubricating bearing is provided between the expansion rod and the self-lubricating bearing, and the guide base is provided with a guide groove on a side of the enlarged head. The diameter of the guide groove and the cooling pipe are provided. The fixing plate is provided with a plurality of fastening threads, and the diameter of the fastening threads is larger than the diameter of the threads inside the expansion head.
The manual tube expansion tool for a finned tube according to claim 1, wherein a protrusion is provided around a middle portion of the expansion head, and an axial cross-section of the protrusion has a ladder shape

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