Reinforcing device for outer frame of narrow fertilizer groove

The utility model discloses a reinforcing device for a narrow fertilizer groove outer frame, and relates to the field of building construction. The device comprises an L-shaped reinforcing piece, and the two ends of the L-shaped reinforcing piece are connected with an outer frame and a support correspondingly. The top end of the support is provided with a connecting hole for containing the support connecting part of the L-shaped reinforcing piece, and the outer frame connecting part of the L-shaped reinforcing piece is fixedly connected with the vertical rod of the outer frame through the outer frame buckle. The outer frame arranged in the fertilizer groove and the support are connected and reinforced stably through the L-shaped reinforcing piece, when a constructor uses the outer frame as an operation platform to conduct waterproof operation on the basement outer wall, the outer frame does not topple over, and the difficulty of building construction of the basement outer wall is reduced. 本实用新型公开了一种狭小肥槽外架的加固装