The utility model relates to a cable sealing device which can be repeatedly used, which comprises a semicircle inner flange plate embedded with a nut, a semicircle outer flange plate with a bolt mounting hole, an opening sealing ring made of rubber for compression expansion, a ring opening rubber gasket for strengthening the sealing effect, a bolt and a nut for axially penetrating the plug, etc.
 In this technical specification, the cable duct blocker refers to: it is used to block the empty pipes of various sizes and specifications and the pipes with cables. It is required that the product has high strength, flame retardant, simple construction and maintenance, long service life, wide application range and good sealing effect. It can prevent water, rat, fire and corrosion. It is suitable for all kinds of power equipment accessories, plastic products and pipeline plugging products. It can keep good operation environment of cable pipeline. Blocking in sections or whole sections can reduce the probability of cable transmission accidents and shorten the time of emergency repair.
 

1.Cable row pipe laying with protective casing pipe sealing;
2.Substation cable inlet and outlet pipe sealing;
3.Power distribution room and distribution box cables inlet and outlet pipe sealing.