Improved roadway forepoling bracket

• Main Authors: LIU KUO, CAO DONGJING, LI MING, ZHANG XINFENG, SUN CONG, SUN SHOUTIAN, QIAN HAIFENG, GONG YIKUN
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses an improved roadway forepoling support which comprises a base, an open groove is formed in the top of the base, a movable seat is arranged in the open groove, a stand column is arranged at the top of the movable seat, a top beam is arranged at the end, away from the movable seat, of the stand column, and the two ends of the top beam are both rotationally connected with side protecting plates. The bottom lifting jacks can drive the device to ascend and descend, the motor can drive the rotating rod to rotate, the rotating rod can drive the gear to rotate, and the gear can drive the movable seat to move through the rack, so that the movable seat can be conveniently adjusted to move front and back, and the four bottom lifting jacks can simultaneously drive the base to ascend and descend. The device is simple in structure and convenient to adjust, and meanwhile the supporting device can have better stability in the adjusting process. 本实用新型公开了一种改进型巷道超前支护支架，包括底座，所述底座的顶部设置有开槽，所述开槽的内部设置有活动座