Pull rod type overload protection device, turnover plow and agricultural machinery equipment

• Main Authors: LIU DONG, ZHAO LONG, ZHONG WENJIE, WANG KUNKUN, LIU JIANMIN, HE NIANDONG, XU ZHIPENG
• Format: Patent
• Language: Chinese; English
• Published: 01.11.2022
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; SOIL WORKING IN AGRICULTURE OR FORESTRY; TRAPPING

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a pull rod type overload protection device, a turnover plow and agricultural machinery equipment. The pull rod type overload protection device comprises a mounting seat; the supporting arm is provided with a front port and a rear port which are communicated with each other in the length direction of the supporting arm; the front end of the supporting arm is movably connected with the mounting seat, and the supporting arm can swing up and down relative to the mounting seat; the pull rod is arranged in the supporting arm; the front end of the pull rod penetrates through the front port of the supporting arm and is movably connected with the mounting seat; the connecting end of a telescopic rod of the hydraulic cylinder extends into the rear port of the supporting arm and is detachably connected with the rear end of the pull rod; the supporting arm is provided with an assembling opening penetrating through the