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    • 7. 发明申请
    • Steel pipe pole base and reinforcing method thereof
    • 钢管底座及其加固方法
    • US20050166485A1
    • 2005-08-04
    • US10753851
    • 2004-01-07
    • Masakazu SugimotoTomonori TominagaTetsumi Kondoh
    • Masakazu SugimotoTomonori TominagaTetsumi Kondoh
    • B24C1/10E04H12/22E02D27/00
    • E04H12/2261B24C1/10
    • The present invention: provides a steel pipe pole base and a method for reinforcing the steel pipe pole base that do not allow the strength to lower in the vicinity of the weld toe of a rib even in the event of applying repeated bending moment; and is characterized by forming peening processed portions 20 by ultrasonic vibration at the weld toes 16 of tabular ribs 12 welded to the base of a steel pipe pole 10 in the form of a T-joint or the weld toes of inverted-U shaped ribs 13 or inverted-V shaped ribs 14, the ribs being bent at the upper end portions, welded to the base of a steel pipe pole 10 in the form of a T-joint. Preferable treatment conditions are 20 to 50 μm in amplitude and 10 to 50 kHz in frequency. In particular, the present invention makes it possible to remarkably improve the fatigue property because stress concentration is relaxed by the synergetic effect of bending the upper end portions 16 of the ribs 13 and applying a peening treatment.
    • 本发明提供一种钢管极基座和加强钢管极基座的方法,即使在施加重复的弯矩的情况下也不允许肋的焊趾附近的强度降低; 其特征在于,在焊接到T形接头的钢管极10的基部的焊接脚趾16上,通过超声波振动形成喷丸处理部20,或者将U形肋13的焊接脚趾 或倒V形肋14,肋在上端弯曲,焊接到T形接头形式的钢管杆10的基部。 优选的治疗条件是振幅为20至50um,频率为10至50kHz。 特别地,本发明能够显着地提高疲劳特性,因为通过弯曲肋13的上端部16并进行喷丸处理的协同效应来减轻应力集中。