A kind of rail induction butt welding and heat treatment method
A heat treatment method and butt welding technology, applied in heat treatment furnaces, heat treatment equipment, rails, etc., can solve the problems of unstable quality of welded joints of rails, increase the requirements of construction sites, and low efficiency of rail construction organization, etc., to reduce the influence of human factors , reduce equipment and site requirements, and reduce the effect of labor intensity
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[0042] Such as figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13, a kind of rail induction butt welding and heat treatment method of the present invention comprises the following steps:
[0043] a. The two rails 20 are positioned through the positioning piece 21 attached to the lower part of the central axis 12 of the induction welding device 1; the induction welding device 1, hydraulic system, cooling system, induction heating power supply and blowing system are controlled by the PLC control system to execute subsequent actions;
[0044] b. The two clamping oil cylinders 3 on the induction welding device 1 drive the two groups of clamp bodies 10 and 6 to rotate around the central axis 12 respectively, so that the jaws 11 at the bottom of the two groups of clamp bodies 10 and 6 respectively hold the two steel rails 20 Clamp and center;
[0045] c. The upsetting oil cylinder 7 on the induction welding device 1 applies an initial upsetting force to make the end faces of ...
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