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实用新型
CN209319143U 夹持式焊接活动顶尖 有权 质押

夹持式焊接活动顶尖
摘要：
本实用新型涉及一种夹持式焊接活动顶尖，属于管件焊接技术领域。包括固定套，固定套开口端套装活动杆，活动杆上开设活动槽，对应活动槽，贯穿固定套设有限位螺栓，固定套另一端设有固定座，活动杆另一端连接活动顶尖，活动杆上套装压簧，压簧一端连接活动顶尖，压簧直径大于固定套内经，压簧直径小于活动顶尖直径。本实用新型能够保持焊接过程中管件顶紧，焊缝均匀，焊接质量好。
摘要（英）：

The utility model relates to a clamping type welding live center, and belongs to the technical field of pipe fitting welding. The device comprises a fixing sleeve, a movable rod sleeves the opening end of the fixed sleeve; the other end of the fixed sleeve is provided with a fixed seat; the other end of the movable rod is connected with a movable centre; the movable rod is sleeved with a pressurespring; one end of the pressure spring is connected with the movable centre; the diameter of the pressure spring is greater than the inner diameter of the fixed sleeve; according to the utility model,the pipe fitting can be tightly propped in the welding process, welding seams are uniform and the welding quality is good.

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