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Eccentric Bottom Shaft Horizontal Gate

An eccentric bottom, horizontal technology, used in water conservancy projects, marine engineering, coastline protection and other directions, can solve the problems of bottom shaft jamming, reducing water displacement, hindering the operation of rotating shafts, etc., achieving no card group, effective cleaning, and reliable structure. Effect

Active Publication Date: 2016-06-08
WUHAN SHENGYU DRAINING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The Chinese patent application number is "201120300200.0", and the patent name is "Single Arm Driven Bottom Shaft Type Flap Steel Gate", which discloses the technical scheme of "the bottom shaft is set under the bottom sill of the river, and the bottom shaft is connected to the flap gate". Since the bottom shaft of this technical solution is set under the river, various sediments in the water will accumulate at the bottom of the irrigation canal, which will reduce the drainage over time and even hinder the operation of the rotating shaft, causing the bottom shaft to jam.

Method used

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  • Eccentric Bottom Shaft Horizontal Gate
  • Eccentric Bottom Shaft Horizontal Gate
  • Eccentric Bottom Shaft Horizontal Gate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] refer to figure 2 , this solution is to fix the arc track 4 on the bottom of the conduit 3, wherein the angle of the arc track 4 is not more than 90°, and one end of the arc track 4 is located directly below the central axis of the rotating shaft 2.

[0022] In this embodiment, the arc track 4 is arranged on the left side of the weir plate 1. In the initial state, the bottom of the weir plate 1 is in contact with the arc track 4 whose end is directly below the central axis of the rotating shaft 2. At this time, the weir plate 1 is the closed state, the gate has the interception function:

[0023] Driven by the rotating shaft 2, the weir plate 1 rotates clockwise. When the bottom of the weir plate 1 rotates to the other end of the arc-shaped track 4, the water flow is the largest. At this time, because the bottom of the weir plate 1 and the arc-shaped track 4 are sliding In the connected state, the water flow cannot flow through the bottom of the conduit 3;

[0024] D...

Embodiment 2

[0028] When the water flow of the duct 3 is too large, the arc track 4 arranged on the upper end surface of the bottom of the duct 3 in the first embodiment may be washed away by the water flow. In order to improve this phenomenon, the second embodiment is in the duct 3 The arc track 4 is set in the bottom of the , and the arrangement of the arc track 4 can be arranged in two ways:

[0029] 1. Set the two ends of the arc track 4 to be level with the bottom of the conduit 3;

[0030] Two, reference image 3 , the arc track 4 can be set as a first arc segment 4.1 and a second arc segment 4.2 whose ends are connected to each other and arranged eccentrically, the first arc segment 4.1 is a track that can be slidably connected to the end of the cleaning plate 4 The distance from the first arc segment 4.1 to the central axis of the rotating shaft 2 is smaller than the distance from the second arc segment 4.2 to the central axis of the rotating shaft 2, and at least one second arc s...

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Abstract

The invention discloses an eccentric bottom shaft horizontal gate, which comprises a weir plate and a horizontally arranged rotating shaft, the weir plate is fixedly connected with the rotating shaft, the rotating shaft intersects the vertical central axis of the weir plate, and the central axis of the rotating shaft It does not intersect with the horizontal central axis of the weir plate, and the rotation axis is located above the bottom of the weir plate; below the rotation axis, there is an arc-shaped track that matches the running track of the weir plate bottom, and the arc-shaped track can be slidably connected to the bottom of the weir plate and separated from each other. The eccentric bottom shaft horizontal gate of the present invention controls the opening and closing of the weir plate through the rotating shaft. When the weir plate is in the closed state, the bottom of the weir plate and the arc track are in a sliding connection state, and the two form a sealing structure. The structure It has the advantages of good sealing effect, reliable structure, long trial life, no card group, etc. At this time, the gate has the function of intercepting the flow; when the weir plate is opened, the bottom of the weir plate is separated from the arc track, and the gate is in the open state, and the water flow is discharged , and then can effectively clean the bottom of the river.

Description

technical field [0001] The invention relates to the technical field of drainage systems, in particular to a horizontal gate with an eccentric bottom shaft. Background technique [0002] In the drainage system, in order to achieve the purpose of not only controlling the interception flow of water, but also solving the problem of massive discharge of water flow, weir plates are usually used for control. The weir plate is a kind of water-passing structure. When the weir plate is closed and the upstream water level is lower than the top of the weir plate, it will not pass through the water. At this time, the weir plate only has the function of retaining water or intercepting the flow; when the upstream water level exceeds the top of the weir plate, the interception capacity The water turned over the top of the weir plate to be discharged; if the upstream water level does not exceed the top of the weir plate and needs to be discharged, open the weir plate, and the upstream water ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B7/40
Inventor 何锐周超
Owner WUHAN SHENGYU DRAINING SYST