Ground surface crack repairing device for coal mining subsidence area: Fid-Bau Portal

Ground surface crack repairing device for coal mining subsidence area

ZOU SHUANGYING / SHAO YINCHUAN / LI QINGLIN / LI DAOYONG

The invention relates to the technical field of crack repairing, and discloses a coal mining subsidence area ground surface crack repairing device which comprises a vehicle body provided with a grouting mechanism, the vehicle body is connected with a left pressing plate and a right pressing mechanism which are used for extruding the ground surface, and a first height adjusting mechanism is arranged between the right pressing mechanism and the vehicle body; a top baffle and two side baffles are arranged between the left pressing plate and the right pressing mechanism, the top baffle is connected with the left pressing plate and the right pressing mechanism through soft belts, one end of each side baffle is fixedly connected with the left pressing plate, and the other end of each side baffle is connected with the right pressing mechanism in a sliding and sealing mode. A slurry blocking space is defined by the left pressing plate, the right pressing mechanism, the top baffle, the soft belt and the two side baffles. When grouting is conducted on the crack, even if the heights of the ground surfaces on the two sides of the crack are different, slurry can be blocked through the slurry blocking space, the slurry is prevented from flowing out of the ground surface with the lower height, and waste of the slurry is avoided.

本发明涉及裂缝修复技术领域，且公开了一种采煤塌陷区地表裂缝修复装置，包括设置有注浆机构的车体，所述车体上连接有用于挤压地表面的左压板和右压机构，所述右压机构与车体之间设置有第一高度调节机构，所述左压板和右压机构之间设置有顶挡板和两个侧挡板，所述顶挡板通过软带与左压板和右压机构相连接，所述侧挡板的一端与左压板固定连接，另一端与右压机构滑动密封连接，所述左压板、右压机构、顶挡板、软带以及两个侧挡板之间合围成阻浆空间。本发明对裂缝进行灌浆时，即使面对裂缝两侧的地表面高度不同的情况，也可通过阻浆空间对浆料进行阻挡，防止浆料从高度较低的地表面流出至外部，以避免浆料的浪费。

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