| 摘要 |
FIELD: hydraulic equipment, particularly for concreting channel sides. ^ SUBSTANCE: concreting device comprises basic machine, frame-like form and receiving bunker. Frame-like form is pivotally secured to bracket secured to basic machine frame. Concrete vibrating screed is installed in upper part of frame-like form so that it may reciprocate along it. Tray-like concrete distribution means is arranged over frame-like form. Frame-like form walls are of stepped shape and include inclined and horizontal plates. Inclined plates have angle of plate inclination to vertical line increasing towards upper part of frame-like form. Frame-like form is of telescopic shape. ^ EFFECT: decreased water losses during water filtering operation and decreased labor inputs. ^ 2 cl, 3 dwg |
