Mechanical type overspeed protection device

• Main Authors: CAI XIAOJIE, TANG YONGHONG, MENG XIANGCHUN, DONG KAI, LIU CHUN, WANG HONGBO, ZHANG WUYI, DENG QIANFENG
• Format: Patent
• Language: Chinese; English
• Published: 13.02.2018
• Subjects: ARRANGEMENTS OR DISPOSITIONS OF BRAKES OR OTHER RETARDINGAPPARATUS IN RAIL VEHICLES; BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAILVEHICLES; CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; RAILWAYS; TRANSPORTING

The utility model provides a mechanical type overspeed protection device, includes casing, shaft and hydraulic brake valve, and the shaft is established in the end section of shaft through the movablecentrifugal piece of the left side centrifugation piece and the right side that is provided with of round pin axle in wearing to locate the casing, and the fixed cover of the other end of shaft is equipped with the gear, between the left and right centrifugation piece along the shaft cross -section radially be provided with the brake spring, the lower tip of right side centrifugation piece is equipped with the light round pin, brake spring one end is equipped with the adjusting nut who is used for adjusting the brake spring position, and the adjusting nut rigid coupling is epaxial in the wheel, the other end of brake spring has still set firmly bullet spring shaft, play spring shaft with mutual block is sold to light, and the position that corresponds with bullet spring shaft on the casing has set firmly hydrauli