Bottom opening type flap gate and water storing and draining method implemented by same

Abstract

The invention discloses a bottom opening type flap gate and a water storing and draining method implemented by the same. The bottom opening type flap gate comprises a dam, a gate leaf supporting seat, a gate leaf shaft, bottom water-stop rubber, a gate leaf, a sliding shaft, a slide rail, side water-stop rubber, a hydraulic cylinder, a strut, a cylinder shaft, a cylinder supporting seat, a strut shaft, a strut supporting seat, a hydraulic system, a buttress, a sealing block and a poured adjusting layer. The bottom opening type flap gate and the water storing and draining method have the advantages that the bottom opening type flap gate and the water storing and draining method are applicable to storing and draining water for river channels, a gate can be opened during water storing and can be closed during water draining completely by means of controlling the hydraulic system, and is supported by the strut when in closed or open state, and the hydraulic system is in a closed state, so that the hydraulic cylinder can be prevented from being stressed for a long time; the gate can be opened until the gate leaf is in a horizontal state, so that the water draining capacity can be maximized; various shortcomings such as impact damage due to objects, impurity blockage, shaking, flapping, floating and the like of the traditional flap gate can be overcome; a remote real-time monitoring effect can be realized by the aid of the hydraulic system, the bottom opening type flap gate is simple in structure, the cost is low, and technical merits are obvious.

Description

Technical field [0001] The invention relates to a flap gate, in particular to a downward-opening flap gate and a method for storing and releasing water. Background technique [0002] The flap gate is a water-retaining structure used for water storage and discharge of dams. The traditional flap gate is a hydraulic automatic control flap gate, which is a gate designed based on the principle of leverage. When the upstream water level exceeds the normal storage level, the flap gate opens automatically. The higher the water level, the greater the opening. When this type of flap gate is fully opened, there is overcurrent on the top and bottom of the water retaining part, which makes it difficult for moving objects to pass, and even directly hits the water retaining part to damage the flap gate. After this type of flap gate is opened to a certain extent, the flap gate is in an unstable state when the water blocking part of the flap gate is in an unstable state, and the flap gate's wate...

AI Technical Summary

Problems solved by technology

When this type of flap gate is fully opened, the upper and lower sides of the water-retaining part have flow, which makes it difficult for moving objects to pass through, and even directly hits the water-retaining part to damage the flap gate.

After this type of flap gate is opened to a certain extent, when there is flow through the upper and lower parts of the flap gate, the flap gate is in an unstable state. ", floating away and other phenomena

[0003] The structure of the traditional flap gate is complicated, and there are many redundant constraints. Among them, the commonly used slide rail and roller structure are easy to rust and be blocked by sundries.

The opening and closing of the traditional hydraulic self-controlled flap gate is completely dependent on the level of the water storage level. The opening mode of the flap gate is passive, which cannot realize the timely opening of the flap gate. Moreover, the traditional flap gate mainly relies on the flap during the non-flood discharge period. The bottom of the gate is open for drainage, and the suspended garbage on the water surface cannot be removed. The suspended garbage is easy to get stuck in the lower part of the flap gate, so that the flap gate cannot be closed tightly.

When the flap gate is open, the gate body is in the middle of the water body, resulting in poor flood discharge capacity of the flap gate

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