Car door locking device of underground man car for coal mining

• Main Authors: ZHANG XIAOQI, LI YONGLIN, REN CHUANWEI, ZHANG YULONG, HOU CHUNFANG, WU YONGGUO, LIN KEJING, CAO DONGZHI, WANG HONGHAI, FAN LIGANG, WANG TIANMIN, FAN BAOZHOU
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2012
• Subjects: BODY DETAILS OR KINDS OF RAILWAY VEHICLES; PERFORMING OPERATIONS; RAILWAYS; TRANSPORTING

The utility model discloses a car door locking device of an underground man car for coal mining. The car door locking device comprises a hanging rod, a limiting block, a locking rod, a rotating shaft, a supporting rod, an opening handle, a tensioning spring and a fixing base, wherein the limiting block is fixed on the upper part of a car door; the fixing base is arranged on the hanging rod; the supporting rod is arranged on the fixing base; the locking rod is horizontally fixed on the upper part of the supporting rod through the rotating shaft; an inclined end and a slot are arranged at the left end of the locking rod in turn; the tensioning spring is arranged between the right end of the locking rod and the fixing base; and the opening handle is fixedly arranged at the right end of the locking rod. The phenomenon of opening the car door caused by bumping and shaking is avoided; the safety of personnel during the process of sitting in the man car is ensured; and the car door locking device has the characteris