Cross novel ladder type alloy plastic cable crane span structure of line hole size adjustable

The utility model discloses a cross novel ladder type alloy plastic cable crane span structure of line hole size adjustable, including the crane span structure main part, be provided with terraced pole between the crane span structure main part, crane span structure main part side was provided with the line hole, it is provided with the spout on the downthehole wall of line to cross, be provided with the slide opening on the spout inner wall, be provided with the litter in the slide opening, the litter lower extreme is provided with the slider, the slider lower extreme is provided with the sealing strip, the litter upper end is provided with the pressing tablet. Beneficial effect lies in: this cross novel ladder type alloy plastic cable crane span structure of line hole size adjustable isin set up on the lateral surface of crane span structure main part and be style of calligraphy range cross the line hole, moreover cross the big or small accessible in line hole the slider is manual to be adjusted, has made t