起(qi)(qi)升減(jian)速(su)(su)機(ji)用(yong)于起(qi)(qi)重(zhong)(zhong)機(ji)起(qi)(qi)升機(ji)構(gou)(gou)的機(ji)械(xie)傳(chuan)動(dong)。根據(ju)各類型起(qi)(qi)重(zhong)(zhong)機(ji)起(qi)(qi)升機(ji)構(gou)(gou)的技(ji)術(shu)性(xing)能(neng)(neng)要求和(he)型式布置，可(ke)設(she)計(ji)(ji)為行星傳(chuan)動(dong)、棘輪棘爪傳(chuan)動(dong)、中(zhong)間過輪硬聯接式傳(chuan)動(dong)的三減(jian)速(su)(su)機(ji)、二減(jian)速(su)(su)機(ji)或(huo)單(dan)減(jian)速(su)(su)機(ji)布置等，設(she)計(ji)(ji)、工(gong)藝性(xing)能(neng)(neng)優良，使(shi)用(yong)性(xing)能(neng)(neng)可(ke)靠；運行減(jian)速(su)(su)機(ji)用(yong)于起(qi)(qi)重(zhong)(zhong)機(ji)行走(zou)機(ji)構(gou)(gou)的機(ji)械(xie)傳(chuan)動(dong)。根據(ju)各類型起(qi)(qi)重(zhong)(zhong)機(ji)行走(zou)機(ji)構(gou)(gou)的技(ji)術(shu)性(xing)能(neng)(neng)要求和(he)型式布置，可(ke)設(she)計(ji)(ji)為底座(zuo)式和(he)三支點式聯接型式，設(she)計(ji)(ji)、工(gong)藝性(xing)能(neng)(neng)優良，使(shi)用(yong)性(xing)能(neng)(neng)可(ke)靠