Swing type unloading bottom door device for hopper car

• Main Authors: LONG JIANGUO, SHU MEI, PENG LIAO, YUAN LIANG, ZHANG XIANFENG, XUE HAILIAN, LIU CAN, HUANG RUI, LI JUNSHENG, ZHANG RUIGUO, LIU BING, YANG CAN, CHENG HUIXIA, LI DONG, YANG SHIWEI
• Format: Patent
• Language: Chinese; English
• Published: 29.01.2021
• Subjects: BODY DETAILS OR KINDS OF RAILWAY VEHICLES; CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; PERFORMING OPERATIONS; RAILWAYS; SAFES; TRANSPORTING; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The invention discloses a swing type unloading bottom door device for the hopper car. The device comprises a dovetail-shaped hopper opening, wherein a feeding channel used for being connected with a car body is arranged at the top of the hopper opening, and a first discharging channel and a second discharging channel are symmetrically arranged on the two sides of the bottom of the hopper opening;the first discharging channel is gradually lowered in the discharging direction, a first discharging port is formed in the side, away from the feeding channel, of the first discharging channel, the first discharging port is in an arc shape, and the first swinging bottom door is used for sealing the first discharging port; and a first oil cylinder for pushing the first swinging bottom door to swingis arranged on the outer wall of the funnel opening. During unloading, the first swing bottom door rotates to enable the first discharge port to be communicated with the outside to achieve unloading,and rotation of the first