| 摘要 |
Provided is an earth retaining plate used for a construction site of an apartment building. The earth retaining plate used for a construction site of an apartment building includes: a case installed between H-beams and having an insertion hole on the inner side, a short protrusion groove formed on an upper end of the insertion hole, a guide groove formed on adjacent both sides of the insertion hole, a through hole for connecting the guide groove and the insertion hole between the guide groove and the insertion hole, an extended protruding unit formed on the front, a vertical through hole formed on the inner side of the extended protruding unit, and a cover formed on the rear surface to finish the rear side of the insertion hole and the guide groove; a hanging connection piece connected to slide along the guide groove; an elastic unit connected between the guide groove and the hanging connection piece to provide an elastic force pulling the hanging connection piece to the inner side of the guide groove and having a fixing bracket fixed to an end of the hanging connection piece and a connection bracket fixed to an inner wall of the guide groove, wherein a curved arc-shaped plate spring is connected and fixed between the fixing bracket and the connection bracket; and a pressing unit inserted and connected into the insertion hole. The pressing unit has: a pressing rod protruding from one side of a pressing block protruding to the insertion hole to the guide groove through the through hole; a connection pin having an inclined surface on upper and lower ends of the pressing block; multiple attached protruding units on both sides; a short protrusion installed at an upper end; and a connection ring formed in the lower part of the short protrusion. The pressing unit is inserted and connected into the insertion hole to press the connection pin. Therefore, the earth retaining plate has construction convenience and a stable installation structure. |
