Failure safety type barring driving oil cylinder

• Main Authors: ZHOU ZHITONG, MA JIANFENG, CHEN ZHEN, HE LIANG, YANG SONGHUA, YU CHANGMENG, ZHENG ZHIGUO, BAI MEI, YU SEN
• Format: Patent
• Language: Chinese; English
• Published: 15.02.2022
• Subjects: BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The utility model provides a fail-safe barring driving oil cylinder. The fail-safe barring driving oil cylinder comprises an oil cylinder body, an elastic piece, a piston and a connecting rod, wherein the elastic piece, the piston and the connecting rod are arranged in the oil cylinder body. One end of the elastic piece is located at the top in the oil cylinder body, and a locking ring is arranged at the other end of the elastic piece. The locking ring is further connected with the piston and the connecting rod. A frame is arranged at the end of the connecting rod, a clamping piece is arranged at the tail end of the frame, and the clamping piece is movably meshed with a ratchet wheel on the steam turbine rotor. According to the barring device, after barring work is completed, the barring mechanism is stopped. The elastic piece is simple in structure and is not influenced by external factors such as oil pressure and manual operation, the position of the piston is still locked at the lowest end of the oil cylin