Lifting box overflow dam

Abstract

The invention discloses a box ascending and descending overflow dam in the field of hydraulic and hydro-power engineering. The box ascending and descending overflow dam comprises a hollow box and a middle partition which is located in the box and divides the box into an upper part and a lower part. One side of the box is hinged to the fixing end of the middle partition. The fixing end of the middle partition penetrates the box and is horizontally fixed to a concrete base. A rubber capsule is arranged between the middle partition and the upper part of the box, and a rubber capsule is arranged between the middle partition and the lower part of the box. The middle partition is provided with filling and discharging pipelines connected with the upper rubber capsule and the lower rubber capsule correspondingly. The box ascending and descending overflow dam has the beneficial effects that the box is divided into the upper part and the lower part through the middle partition, the rubber capsules of the upper box part and the lower box part are filled with gas or water or the gas or the water is discharged out of the rubber capsules of the upper box part and the lower box part, and therefore box ascending and descending are achieved; the structure is simple, construction is convenient, a plurality of boxes can be arranged in the width direction of the same river, a dam pier does not need to be arranged, and the box ascending and descending overflow dam is not affected by the river width, the structure is stable and reliable, and the water level can be flexibly adjusted while the overall appearance is not influenced.

Description

technical field [0001] The invention relates to the field of water conservancy and hydropower engineering, in particular to a lifting box overflow dam. Background technique [0002] In water conservancy and hydropower projects, especially in water landscape projects, it is often necessary to adjust the water level by building dams to meet the needs of the water level. At present, many schemes are adopted, including rubber dams, sluice gates, overflow dams, steel dams, etc. These dams have more or less disadvantages: general overflow dams cannot adjust the height of the dam, and on rivers with many sediments, low dams are easy If the dam is full of silt, the high dam is unfavorable for flood discharge during the flood season; although the sluice dam operates flexibly, it is often not well coordinated with the surrounding landscape. When the width of the river bed is wide, the number of sluice holes, hoisting equipment, and sluice piers are also large. , the cost is high; alt...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of existing water landscape projects such as complex structure, high cost, inflexibility and poor coordination, the technical problem to be solved by the present invention is to provide a lifting dam with simple structure, flexible operation and good adaptability. Box overflow dam

Images