Pliers for gas charging connection of SF6 circuit breakers

• Main Authors: MENG QINGHAI, JI YOUQIANG, OUYANG GANG, ZHAO DAYONG, WANG KAI, LIU JING, TIAN BAOXIANG
• Format: Patent
• Language: English
• Published: 29.10.2014
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The utility model in particular relates to a pair of pliers for gas charging connection of SF6 circuit breakers, belonging to the technical field of pliers for connection. The pliers for gas charging connection of SF6 circuit breakers are applicable to various models of circuit breakers and are convenient to use. The pliers comprise a pliers shell and are structurally characterized in that an upper U-shaped jaw is arranged at the front end of the upper part of the pliers shell; a lower U-shaped jaw corresponding to the upper U-shaped jaw is arranged below the upper U-shaped jaw; the rear end of the lower U-shaped jaw is fixed with the front end of the lower part of a hooked connecting piece; the upper end of the hooked connecting piece is connected with a fixed block at the front end of the upper part on the inner side of the pliers shell via a spring; a circular through hole is formed in the upper part of the hooked connecting piece; an axle rod penetrates through the circular through hole; the two ends of the axle rod extend out of the through hole; the diameters of the two ends of the axle rod are greater than the diameter of the through hole; vertical wavy through holes corresponding to the two ends of the axle rod are formed in the pliers shell; the axle rod is connected with the wavy through holes in a clamping manner.