Soft movable dam easy to open

Abstract

The invention discloses a soft movable dam easy to open, aims to overcome the defects of the prior art, and provides the soft movable dam without constructing a diversion canal or interception without short construction period and easy opening. The dam foundation consists of a pedestal and a bracket, wherein the bracket is arranged on the dam base and is vertical to a riverbed; and a dam body consists of cables arranged on the bracket. When the bracket is vertical to the pedestal, the bracket blocks the flow of river to achieve the effect of a dam; when the bracket is parallel to the pedestal through rotation of a rotating shaft, the bracket is in a state parallel to the riverbed, cannot cause blockage on navigation of a vessel, thereby achieving the aim of opening and closing the soft dam through up-down reciprocation of the bracket. The dam is suitable for rivers, and controls the height of river level, insulation of a water area of rivers, lakes and seas, water level adjustment and the like, in particular to blockage on saline water intrusion.

Description

technical field [0001] The invention relates to a dam facility, in particular to an easy-to-open soft movable dam. technical background [0002] Although humans have used dams for many years and have mature technologies, the construction process of water conservancy projects is complicated, the cycle is long, and the investment is large, involving various factors such as sediment discharge and the impact of the ecological environment. Although there are also methods of using movable dams, such as the herringbone-shaped movable dam in Amsterdam, the Netherlands, the production process is complicated and the cost is as high as three billion euros; now, due to the decrease in the amount of water flowing into the river, the water level drops when it enters the sea, resulting in the intrusion of salty tides, which affects water use. Safety, such as the frequent salt tide invasion in Guangzhou City. Also have some technologies now as disclosed in the utility model of the applicat...

AI Technical Summary

Problems solved by technology

[0002] Although humans have used dams for many years and have mature technologies, the construction process of water conservancy projects is complicated, the cycle is long, and the investment is large, involving various factors such as sediment discharge and the impact of the ecological environment.

Although there are also methods of using movable dams, such as the herringbone-shaped movable dam in Amsterdam, the Netherlands, the production process is complicated and the cost is as high as three billion euros; now, due to the decrease in the inflow of rivers, the water level when entering the sea is lowered, resulting in the intrusion of salty tides, which affects water use. Safety, such as frequent salt tide invasion in Guangzhou

Also have some technologies now as disclosed in the utility model of the application number 95233607.3 of application number 95233607.3 of applying on April 8th, 1995 on 1996.11. But it can only be used when the water level is low and the river surface is narrow, and the cost is high, the construction is difficult, the service life is short and the function is single

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