| abstract |
The present invention relates to a new portable fence and method for safety prevention and control of metering operation sites, which comprises a control column and a plurality of load-bearing columns; Fixed base; wherein, the upper end of the control column is equipped with an electronic cabin I, and the load-bearing column is equipped with an electronic cabin II; the electronic cabin I is used for on-site operation lighting and monitoring shooting angle adjustment, which includes shell I, lighting accessories, monitoring accessories ;A cabin column connector is provided between the electronic cabin I and the control column and/or between the electronic cabin II and the bearing column to ensure the thread between the electronic cabin I and the control column and/or between the electronic cabin II and the bearing column The connection includes a spacer piece, a ferrule with an external thread and a hoop piece; upper steps are respectively provided on the top of the control column and/or the bearing column; the spacer piece is placed on the ferrule with an external thread and the control column or Between the load-bearing columns, the cushion piece includes a plurality of conical pieces, which are cohesively formed into a cone-shaped cylinder; the present invention has reasonable design, compact structure and convenient use. |