Dehiscence-proof heating and thermal insulation welding method for rudder carrier soldering joint

Abstract

The invention introduces a cracking prevention heating welding method of rudder bearing welding seam. The method is characterized in that a movable heating mechanism formed by a controllable group of oxyacetylene burner arranged in the cavity of a rudder bearing body can controllably heat the inner of the rudder bearing body. At the same time, asbestos insulation cloth is used to pack the rudder bearing body that has finished welding seam welding process and the relative component parts of the hull which is connected with the rudder bearing body on the periphery of the rudder bearing body. The welded part is naturally and slowly cooled down under the insulation condition, and therefore the whole welding process of the rudder bearing is finished. The oxyacetylene is used as heating source, and the moveable mechanism designed by using movable rod preheats the rudder bearing through the flaming oxyacetylene blaze. The relative component parts of the bull are synchronously preheated through the welding seam joint surface, and the temperature difference between the rudder bearing and the bull is eliminated. At the same time, the heat is preserved by the asbestos cloth, and the temperature of the welding surface can not be fallen rapidly, which has significant meaning for ensuring the welding seam quality and the firmness.

Description

technical field [0001] The invention relates to a welding method, in particular to an anti-cracking heating and heat preservation welding method for a rudder bearing weld seam. Background technique [0002] The lyrics of "sea navigation depends on the helmsman" not only expresses the importance of the "person" of the "helmsman" in navigation, but also shows the important role of the mechanical component of the "rudder" in the ship from the aspect of "things". . The "rudder" installed at the stern of the ship is actually the steering gear of the ship. Its performance and safety are of great significance to the safe driving of the entire ship. Since the "rudder" can only form a functional device through the combination of the "rudder bearing" connected to the hull, only by ensuring the firm combination of the "rudder bearing" and the welding of the hull can the use of the "rudder" installed with the rudder bearing be safe and secure. reliability. [0003] However, it is alw...

AI Technical Summary

Problems solved by technology

Although this original method can solve some problems, this method is not only always problematic for the operator, as well as the harmony and safety of the working environment, but more importantly: the original method is essential for achieving high-quality welding There is a certain risk in terms of the firm and long-term safe connection between the bearing and the hull, which must be inspected and verified by more stringent welding inspection methods.

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