起(qi)升(sheng)(sheng)減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)用(yong)(yong)于起(qi)重(zhong)(zhong)機(ji)(ji)(ji)(ji)起(qi)升(sheng)(sheng)機(ji)(ji)(ji)(ji)構(gou)，位于電機(ji)(ji)(ji)(ji)與(yu)卷筒之間，為(wei)起(qi)吊設備(bei)提供所需的扭矩(ju)。根(gen)據各類(lei)型(xing)起(qi)重(zhong)(zhong)機(ji)(ji)(ji)(ji)起(qi)升(sheng)(sheng)機(ji)(ji)(ji)(ji)構(gou)的技(ji)術(shu)(shu)性(xing)能(neng)(neng)要(yao)求(qiu)和布置型(xing)式(shi)，可設計為(wei)單(dan)減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)型(xing)式(shi)、單(dan)減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)帶行(xing)星機(ji)(ji)(ji)(ji)構(gou)、單(dan)減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)高(gao)速(su)(su)(su)級(ji)硬鏈接、單(dan)減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)低(di)(di)速(su)(su)(su)級(ji)硬鏈接、雙減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)低(di)(di)速(su)(su)(su)軸(zhou)硬鏈接、三減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)品字形布置等。運行(xing)減(jian)(jian)(jian)速(su)(su)(su)機(ji)(ji)(ji)(ji)用(yong)(yong)于起(qi)重(zhong)(zhong)機(ji)(ji)(ji)(ji)行(xing)走(zou)機(ji)(ji)(ji)(ji)構(gou)，根(gen)據各類(lei)型(xing)起(qi)重(zhong)(zhong)機(ji)(ji)(ji)(ji)行(xing)走(zou)機(ji)(ji)(ji)(ji)構(gou)的技(ji)術(shu)(shu)性(xing)能(neng)(neng)要(yao)求(qiu)和布置型(xing)式(shi)，可設計為(wei)底座式(shi)、三支點(dian)式(shi)、套裝式(shi)、寶塔式(shi)等。