Model: BFCK20-(porcelain models, origin) BCFK20-(× × × × ×) before the card closed doors type]

Two main parameters: a workload: 19.6KN (2tf). 2, the static test load: 49KN (5tf). 3, the screw travel: 120mm. 4, clamp weight: 6.5kg.

Three purposes: to 220kV the following lines, charged indirect replacement of one or a few slices of insulator string tension.

Supporting tools (optional): an insulated small drawing board, lever, take the bottle clamp.

, Methods of operation: According to the mount point of the porcelain model, origin, use the appropriate fixtures. Installed to the drawing board to adjust the length of the drawing board, according to the number of pieces of replacement porcelain lever open under cover pick hanging before the replacement porcelain, after porcelain (usually before and after the space between two porcelain), with operating cover the upper and lower rods together. The first card to withstand the leading edge of the steel cap, card top steel cap arc (as shown), the lever shake.