| 摘要 |
PURPOSE: A support arm for preventing an electric shock is provided to increase combination stability between the arm and a distribution line by decreasing an impact applied to a fixing combination part between the arm and the distribution line. CONSTITUTION: A support frame(1) has a square frame shape and is made of metal materials. A body(10) is made of ceramic materials. A moving unit(20) includes a cylinder(21), a rubber film(22a), a piston(22), a movable stand(23), a coupling stand(24), and a fixing stand(25). The rubber film is contacted with the inner side of the cylinder. A rotation unit(30) is installed in the bottom of the cylinder and a rotation shaft(1b). A buffer member(40) is fixed to the bottom of the cylinder and is inclined in the outer direction of the body. A switching layer(50) is rotatably fixed to the upper side of the cylinder. A separation sensor(60) outputs a separation signal according to the input of the fixing stand. A speaker(70) outputs an alarm in response to a separation signal. A battery(80) supplies power for operating the speaker. |
