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今年1月我县粮食局一职工驾驶一台新工农—15型手扶拖拉机,到雅龙西河口接其岳父进城看病,行至雅新公路一300米弯道处,突然发生自动转向,由于机手临危措施不当,未紧急制动和用强力拉正扶手架,拖拉机翻于公路右侧的雅龙江边,造成死亡5人的恶性事故。为调查事故原因,现场拆下变速箱盖检查,右转向拨叉轴有锈,锈长1.5厘米,轴在轴套内难以转动。拖拉机行至弯道时,强制分开转向离合器后,转向弹簧的力不能使牙嵌式离合器主从动牙嵌结合,加上道路右边有松土,结果造成自动转向、车翻人亡的事故。
In January this year, a staff of County Grain Bureau drove a new worker-peasant -15 walking tractor to take care of his father-in-law in the estuary of the Yalong River to go to the city to see a doctor at a 300-meter bend on the Ya-Xin Highway. Sudden automatic steering occurred. Improper hand measures, not emergency braking and with a strong pull is the handrail, the tractor rollover on the right side of the Yalong River, killing 5 people caused by the vicious accident. To investigate the cause of the accident, the scene removed the gearbox cover inspection, right to fork shaft rust, rust length 1.5 cm, the shaft in the sleeve is difficult to rotate. Tractor line to the corner, forced to separate the steering clutch, the steering spring force can not make the jaw clutch main and driven teeth together, coupled with loose soil on the right road, as a result of the automatic steering, car crash accident.