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Bottom horizontal rotary steel gate, involving water conservancy and hydropower engineering, structural engineering technical field gate with the urban landscape, including several mutual fixing of the lower door leaf, the door leaf fixed connection    bottom horizontal axis, horizontal axis of rotation of the bottom connect several trunnion base, left and right sides of the door leaf are provided hydraulic hoist, the bottom ends of the horizontal axis are fixed connections start arm, the upper end of each arm, respectively, corresponding to the start of the hydraulic hoist of telescopic rod hinge connection, each hydraulic hoist hinge attached to the holder, set the locking device separately within each seat, each locking means are each connected to one end of the actuation arm hinge. The utility model by the above design, hydraulic hoist arm drive bottom horizontal axis by starting rotation, so as to drive the gate arcuate movement, the opening angle of the control gate by a locking device. The utility model, simple structure, beautiful appearance, easy to operate, reliable, applicable to water, Flooding, artificial waterfalls and so on. The gate to a steel dam gate, gate belongs to the technical field of the present invention is an improvement on the existing steel gate structure rigidly connected to the bottom by the end of the shaft door leaf set in and near the end of the shaft is connected at both ends solid rod or gear such as fan gear or transmission parts, installation, the present invention were placed at both ends of the bottom axis within the bearing, so that under the action of the respective link swing drive means, or a gear or gear rotates fan , which led to the end of the shaft is rotated in a certain angular range, so that the door leaves as fan movement, in order to achieve the purpose of controlling the water level, simple structure, reliable performance, you can set up the doors water, lying over flood gates, you can also use the shutter doors top off water to form a landscape effect artificial waterfall, using natural without destroying nature, can solve the contradiction between the city flood control and water storage, and it helps protect the environment.

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