Full-protection offset machine lane forepoling

The invention discloses a full-protection offset machine lane forepoling. The forepoling is arranged at the lower side of the machine lane; no polings are arranged at the upper side of the machine lane but a reversed loader; a two-level side support structure comprising a first-level side support and a second-level side support is adopted at the side of the forepoling facing the reversed loader; and the second-level side support is set up above the reversed loader. According to the invention, the forepoling has an ultra-long horizontal support range and is adaptable for the supporting requirements of "three machines." 本发明公开了一种全防护偏置式机巷超前支架，该超前支架布置在机巷下帮侧，机巷上帮侧未布置支架，机巷上帮侧布置有转载机；该超前支架朝向转载机的一侧采用双级护帮结构。双级护帮结构包括一级护帮、二级护帮，二级护帮支护在所述转载机的上方。该超前支架具备横向超长支护的能力，对于三机配套要求的适应性强。