Active gate bottom-edge device with function of adjusting water column pressure

Abstract

The invention relates to the field of water conservancy machinery, in particular to a gate bottom-edge device, namely an active gate bottom-edge device with a function of adjusting water column pressure, which comprises a rotating support, a rotating power mechanism, a gate leaf, a bottom-edge frame and a bottom-edge mechanism. The rotating support is fixedly mounted on the gate leaf. One end of the rotating power mechanism is hinged to the rotating support, and the other end of the rotating power mechanism is hinged to the bottom-edge mechanism. The bottom-edge frame is fixedly mounted at the bottom of the gate leaf. The bottom-edge mechanism is disposed on the bottom-edge frame through a hinge shaft. The bottom-edge mechanism on the gate is controlled to move up and down and rotate or move back and forth through the independent auxiliary power mechanism of the gate bottom-edge device, the rotatable bottom edge is turned back and forth to adjust the water position at the tail end of the bottom edge in contact with water flow, and accordingly resultant force required by the gate in operation is adjusted, closing force required by the gate is increased to the maximum extent, holding force and opening force required by the gate are increased, and finally capacity of a hoist is reduced.

Description

technical field [0001] The invention relates to the field of water conservancy machinery, in particular to a gate bottom edge device. Background technique [0002] A gate is a movable mechanism used to close, open or partially open a water orifice in a hydraulic structure. Its main function is to control the water level and regulate the flow. The gate is an important part of the hydraulic structure. Its safety and applicability affect the operation effect of the entire hydraulic structure to a large extent, and the opening and closing force required by the gate is an important part of the gate performance. [0003] At present, the planar gates of the submerged hole prefer to adopt the water sealing form of the upstream panel and downstream water sealing when conditions permit. The advantage of this form is that the water column pressure borne by the top of the gate is used instead of other forms of aggravation, thereby reducing the total cost of the gate. , the bottom edge...

AI Technical Summary

Problems solved by technology

[0003] At present, the planar gates of the submerged hole prefer to adopt the water sealing form of the upstream panel and downstream water sealing when conditions permit. The advantage of this form is that the water column pressure on the top of the gate can be used instead of other forms of aggravation, thereby reducing the total cost of the gate. The bottom edge of this kind of gate is fixed, and the gate starts to bear the water column pressure at any position entering the orifice. When the gate falls to the bottom, the water column pressure bears the maximum. The matching hoisting equipment with larger capacity costs more

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