| 摘要 |
The present invention relates to a power line drawing box with an adjustable height according to the depth of a burial place. The present invention simplifies components and forms the components on a power line drawing box body of a power line drawing box to adjust a height according to the depth of a burial place. Therefore the present invention has excellent workability, facilitates on-site work regardless of burial depth, and shortens a working time. Construction costs and labor costs can be reduced. The construction quality is excellent, and construction results are always same by accurately measuring the burial depth in a required height through a gradation display part or a sliding protrusion so as to facilitate constant height construction. Also, post-treatment of the power line drawing box is easy. |
