By improving the BTR1-PST286 wish single sucperd hydraulie trepanner made in Germany.Realize adjustable of electric line.preventing accidents of electric line or stecly line fall down.

通过对新引进的全德国制BTR1-PST286钻车配套单轨吊技改,实现电缆的,避免了电缆脱或起吊钢丝绳掉事故的发生。