Hydraulic operating mechanism and working cylinder thereof

• Main Authors: JI XINMING, LIU FENG, ZENG CHUNYAN, LYU XIANGYUN, SHU JINLEI, DUAN ALI, LI XIAOPEI, PENG GUANGYUAN, WANG KAI, WANG GUANGYUAN, MAI XIAOFEI, LU JIWEI
• Format: Patent
• Language: Chinese; English
• Published: 31.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; FLUID-PRESSURE ACTUATORS; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS; HEATING; HYDRAULICS OR PNEUMATICS IN GENERAL; LIGHTING; MECHANICAL ENGINEERING; RELAYS; SELECTORS; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; WEAPONS

The invention relates to a hydraulic operating mechanism and a working cylinder thereof, and belongs to the technical field of circuit breakers, and the working cylinder comprises an outer cylinder body, a piston is assembled in the outer cylinder body, an operating rod is arranged on the piston, a limiting pin shaft is arranged on the outer cylinder body, an outer matching part is arranged on the piston, and a pin shaft driving structure is arranged corresponding to the limiting pin shaft; when the hydraulic operating mechanism is in a closed state, the limiting pin shaft can be driven to move towards the piston, so that the inner locking end is inserted into the outer matching part to which the piston moves, and the piston is locked in the left-right direction to ensure that the piston and the operating rod are fixed; when the hydraulic operating mechanism is switched off, the limiting pin shaft can be driven to move back to the piston, so that the inner locking end and the outer matching part are separated