阅读说明：本技术 用于重型矿桥驱动桥的多台阶轴的轴头表面淬火感应器 (Shaft head surface quenching inductor for multi-step shaft of heavy mine bridge drive axle ) 是由 张宏宇 付国涛 康国宁 武黎明 宁重生 唐中正 周恩棋 马庆坡 梁栋 刘正超 于 2021-08-10 设计创作，主要内容包括：本发明涉及一种用于重型矿桥驱动桥的多台阶轴的轴头表面淬火感应器,包括用于多台阶轴轴头加热的半包围线圈结构,半包围线圈结构包括U型感应线圈和位于多台阶轴轴头两侧的第一感应线圈和第二感应线圈,第一感应线圈和第二感应线圈所在的平面与U型感应线圈所在的平面垂直,多台阶轴轴头位于U型感应线圈内,且U型感应线圈所在的平面与多台阶轴轴头的轴线垂直,且第一感应线圈和第二感应线圈的形状与多台阶轴轴头两侧的外边缘轮廓对应,半包围线圈结构上设有多个导磁体。如此,多台阶轴轴头各截面硬度高而且加热均匀,淬硬层深度合格,提高了零件的强度和热处理质量。(The invention relates to a shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge drive axle, which comprises a semi-surrounding coil structure for heating the multi-step shaft head, wherein the semi-surrounding coil structure comprises a U-shaped induction coil and a first induction coil and a second induction coil which are positioned on two sides of the multi-step shaft head, the plane where the first induction coil and the second induction coil are positioned is vertical to the plane where the U-shaped induction coil is positioned, the multi-step shaft head is positioned in the U-shaped induction coil, the plane where the U-shaped induction coil is positioned is vertical to the axis of the multi-step shaft head, the shapes of the first induction coil and the second induction coil correspond to the outer edge contours of the two sides of the multi-step shaft head, and a plurality of magnetizers are arranged on the semi-surrounding coil structure. Therefore, each section of the multi-step shaft head has high hardness and uniform heating, the depth of a hardening layer is qualified, and the strength and the heat treatment quality of parts are improved.)