Overflow dam with flood discharge function for water conservancy project

Abstract

The invention belongs to the technical field of water conservancy projects, and particularly relates to an overflow dam with a flood discharge function for a water conservancy project. When the overflow dam is used and the upstream water level is full during the flood peak period, water blocked by the overflow dam can be completely released only by slowly lifting an inserting plate, when the inserting plate is lifted, the water flow at the bottom impacts on a first rotating wheel, at the moment, a rope winding wheel starts to wind a rope, then a lifting force is provided for the inserting plate, and the problem that the inserting plate is lifted in a more labor-saving mode is solved. According to the scheme, the overflow dam comprises a dam body, wherein the dam body is of a prism-shaped structure with a cavity; a notch is reserved in the middle of the dam body; T-shaped sliding grooves are formed in the opposite sides of the notch; and the same inserting plate with a flat cuboid structure with a cavity is connected between the two T-shaped sliding grooves in a sliding mode. The overflow dam is novel in structure, good in drainage smoothness performance and good in silt dischargingeffect, the high water level can be reduced in time, and the flood discharge capacity and speed are improved.

Description

technical field [0001] The invention relates to the technical field of water conservancy engineering, in particular to an overflow dam with flood discharge function used in water conservancy engineering. Background technique [0002] The overflow dam is actually a low-rolling dam, a low-height water-retaining structure whose main function is to raise the upstream water level and retain mud and sand. The main principle is to raise the water level to a certain position. When the water rises, the excess water can freely overflow to the downstream, and it can also be used as the main part of the water diversion project. After raising the water level, the water will flow along the artificially dug river. Into the artificial river, but the existing rolling dams are all made of concrete stones. Although they are extremely strong, when the water level is raised, the flooded area will be raised at the peak of the flood, and the flood discharge speed will be reduced; in addition to me...

AI Technical Summary

Problems solved by technology

The dam body is a reinforced concrete structure. A culvert is arranged on the top of the dam body. Door slots are provided on the inner and outer walls of both sides of the culvert. In the gate slot, the opening and closing handle at the top of the gate can be freely inserted and inserted. However, this device can only have a small adjustment function during the flood discharge, and it still cannot fundamentally solve the problem of the upstream basin area caused by the raised water level. Bigger problem

Images