Two-degree-of-freedom parallel-connection rotating platform with eccentric torque unloading device

• Main Authors: YAO JIANTAO, XU YUNDOU, YANG FAN, ZHAO YONGSHENG, NIE SHENGLONG, FENG ZONGQIANG, ZHOU YULIN, JIANG ZE, LI YONGJIE
• Format: Patent
• Language: Chinese; English
• Published: 24.04.2020
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a two-degree-of-freedom parallel-connection rotating platform with an eccentric torque unloading device. The platform comprises a fixed platform, a movable platform, a supporting branch chain, a driving branch chain and an auxiliary branch chain, wherein the auxiliary branch chain comprises a tension-compression spring device, the tension-compression spring device comprisesa lower supporting rod, the bottom end of the lower supporting rod is hinged to the fixed platform, the lower supporting rod is sleeved with an annular sleeve movably connected with the lower supporting rod, a radial locking nut is fixed to the top of the lower supporting rod, an upper compressed spring is installed between the radial locking nut and the annular sleeve, a lower compressed springis arranged between the annular sleeve and the bottom of the lower supporting rod, the outer wall of the annular sleeve is fixedly connected with the bottom of an upper supporting rod arranged above the lower supporting rod th