Crank-arm steel dam gate

Abstract

The invention discloses a crank-arm steel dam gate comprising a steel dam gate leaf mounted between left and right side walls. The bottom of the steel dam gate leaf is connected with a dam body through a bottom cross shaft, and the steel dam gate leaf swings around the bottom cross shaft; water stopping is achieved when the steel dam gate leaf swings upwards, and water discharging is achieved whenthe steel dam gate leaf swings downwards. The crank-arm steel dam gate is characterized in that the steel dam gate leaf at the upstream face and/or the two ends of the bottom cross shaft are respectively connected with front extending crank arms, and a crank arm hinge is arranged on each crank arm; each crank arm hinge is connected with an opening and closing device which comprises a telescopic opening and closing oil cylinder, a water isolating plate is arranged on the steel dam gate leaf to isolate the crank arm exposed to the front of the upstream face from river water, the opening and closing devices are located at the rear end of the water isolating plate, and water sealing strips which are in contact with the left and right side walls are arranged on the water isolating plate. The crank-arm steel dam gate completely changes the basic shape and characteristics of a conventional steel dam gate, the defect which is not solved at present of the steel dam gate is overcome, and the crank-arm steel dam gate has important significance for popularization and application of the steel dam gate on water conservancy facilities.

Description

technical field [0001] The invention relates to a dam structure of a water conservancy facility, in particular to a crank arm steel dam gate. Background technique [0002] Steel dam gates are mechanical equipment in water conservancy and hydropower engineering facilities. It is mainly used in the construction of agricultural irrigation, fishery, ship locks, seawater tidal protection, urban river landscape engineering and small hydropower stations. The usual steel dam gate is a new type of gate that realizes the opening and closing of the steel dam gate by driving the bottom horizontal axis to rotate through hydraulic equipment. It has the advantages of rapid opening and closing, and durability. It mainly includes the bottom horizontal shaft, the steel dam door leaf, the hoist installed in the sluice chamber, etc. The steel dam door leaf is connected with the bottom horizontal shaft to form a gate, and the two ends of the bottom horizontal shaft pass through the walls of the...

AI Technical Summary

Problems solved by technology

Therefore, if a steel dam gate that does not need a hoist chamber is designed, the above problems will be completely solved. Although there has been a direct-push steel dam in the past, the hoist chamber has been cancelled, and it uses multiple lifting cylinders to directly push the steel dam. The dam door leaf can realize th

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