Foldable grain suction arm

• Main Authors: CHEN SHUANGMING, CHEN CHUNYU, NIE FANGWEI, WU XIANGYU, YE YUJUN, WU YOUZHAO, WANG SHUAIBING, WU YONGYAO, XIE GONGSHENG, YUAN HAOQIANG, ZHAO GUOSHUI, ZHAO YONG, LI DONG
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2024
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

The utility model discloses a foldable grain suction arm, the posture of a mechanical arm body can be flexibly changed by adjusting the included angle between each joint, a grain suction pipe can be conveniently driven to go in and out of a cabin, and the foldable grain suction arm can be folded and contracted when not in use, the technical scheme is that the foldable grain suction arm comprises the mechanical arm body and the grain suction pipe arranged on the mechanical arm body, the mechanical arm body comprises a first joint, a second joint, a third joint, a fourth joint and a fifth joint which are hinged in sequence; the first driving module drives the first joint to rotate around the hinge axis of the first joint; the second driving module drives the second joint to rotate around the hinge axis of the second joint; the third driving module drives the third joint to rotate around the hinge axis of the third joint; the fourth driving module is used for driving the fourth joint to rotate around the hinge a