Combine and adopt working face supporting device and face -end support thereof

• Main Authors: Zhang Fangwei, Liang Yong, Yan Yan, Shi Lei, Si Haoran, Cao Yingou, Zheng Yongqiang, Zhang Xuhe, Sun Yan, Chen Sufang
• Format: Patent
• Language: Chinese; English
• Published: 03.08.2016
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a combine and adopt working face supporting device and face -end support thereof. Face -end support includes the back timber that support subject and top set up, and the left side of back timber or right side are the transition side, being equipped with on the back timber to prevent down the side and chooses the piece, prevent down that the side is chosen and the back timber between be equipped with to be used for driving when the state of extension and prevent down that the side is chosen and stretch out, prevent down the side and choose the piece and prevent down inclining and choose drive arrangement what the transition of back timber was inclined and is withdrawn returning to drive when contracting the state from the transition side of back timber. The utility model discloses well face -end support the preventing down that the side chooses to push up the support that passes through and push away the support of assembly on through the back timber, combining like this and adoptin