Planetary gear speed reducer for crane

• Main Authors: CHEN JIANBING, QU JIANHUA, LI JIANTANG, ZHAO JINSHAN, LIU CAIJUAN, XU JINYUN, YANG HUA
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The planetary gear speed reducer for the crane comprises a front housing and a rear housing, the end of the front housing and the end of the rear housing are fixed through bolts, a first shaft hole is formed in the side wall of the end of the front housing, a main shaft is rotationally connected into the first shaft hole through a bearing, the end of the main shaft is fixedly connected with a planet carrier, and the planet carrier is fixedly connected with a planetary gear. The side wall of the planet carrier is fixedly connected with a plurality of annularly-distributed transverse shafts, the ends of the transverse shafts are in key connection with planet gears, the side walls of the ends of the transverse shafts are fixedly connected with supporting shafts, the ends of the supporting shafts are rotationally connected with round-head shaft seats through bearings, and the side walls of the round-head shaft seats are fixedly connected with the inner wall of the rear housing. According to the planetary gear spe