| 摘要 |
PURPOSE: An insulation crossarm for supporting overhead transmission and distribution lines is provided to prevent equipment from being damaged due to external force by reducing tension applied to the overhead transmission and distribution lines. CONSTITUTION: A support stand is horizontally installed on the upper side of a support(4). A support stand connecting device(2) is fixed to the support stand. A fixing device(3) is connected to the support connection device. The support stand connecting device includes a first connection unit(21), a second connection unit(22), and an elastic member. The first connection unit includes a top plate(211) and a bottom plate(212) which are separately installed. |
