一种曲轴连杆衬套的装配方法
申请公布号:CN102500999A
申请号:CN201110346788.8
申请日期:2011.11.07
申请公布日期:2012.06.20
发明人:孙海涛;丛建臣;葛全会;朱海峰;孙军
分类号:B23P11/02(2006.01)I
主分类号:B23P11/02(2006.01)I
代理人:王元生
地址:264400 山东省威海市文登市天润路2-13号
摘要:本发明涉及一种曲轴连杆衬套的装配方法,其首先采用前端为感应线圈的加热设备对曲轴连杆小头孔进行加热,加热时感应线圈放入连杆小头孔内,感应线圈产生交变磁场,交变磁场在连杆内部产生涡流,从而使连杆小头孔部位发热膨胀,孔径变大;然后再将连杆衬套过盈压入连杆小头孔;自然冷却后,连杆小头孔孔径变小,与连杆衬套外壁紧密贴合成一体,完成装配。本发明采用热装工艺,其方法简单,组装容易,省力省时,过盈压入连杆衬套,与连杆小头孔之间受力较小,可以避免出现划伤等问题,衬套与连杆小头孔之间紧密贴合,贴合度好。
主权项:一种曲轴连杆衬套的装配方法,其特征是:首先采用前端为感应线圈的加热设备对曲轴连杆小头孔进行加热,加热时感应线圈放入连杆小头孔内,感应线圈产生交变磁场,交变磁场在连杆内部产生涡流,从而使连杆小头孔部位发热膨胀,孔径变大;然后再将连杆衬套过盈压入连杆小头孔;自然冷却后,连杆小头孔孔径变小,与连杆衬套外壁紧密贴合成一体,完成装配。
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