KR200377423Y1 - Floodgate opening and shutting adopted by water pressure difference - Google Patents

Abstract

The present invention relates to a drainage gate installed at the boundary between the river and the sea to prevent the backflow of the seawater and to measure the river water, and is installed at the boundary between the downstream river and the sea to block the flow of the river and the seawater. Literary; A plurality of drains which are formed to be spaced apart vertically from the door, and having a rotation groove disposed on an inner side lower portion thereof and a second magnetic material provided on an inner side upper portion thereof; And a rotation shaft corresponding to the rotation groove is provided at the lower side of the side to open and close the drain hole while opening and closing the drainage port toward the sea at the rotation point, and the first magnetic material corresponding to the second magnetic material is provided at the upper part, and the height of the seawater is changed. According to the buoyancy body receives a buoyancy is made up of a blocking door.

Description

Floodgate opening and shutting adopted by water pressure difference}

The present invention relates to a drainage gate installed at the boundary between the river and the sea to prevent the backflow of seawater and to measure the river water.

In areas such as the West Sea of Korea, where the tidal flats are large and there are many plains that can be farmed around the downstream rivers, the gates or drainage gates (the drainage gates) that meet the downstream rivers and the sea are used to prevent the backflow of seawater to utilize the river water as agricultural water. It is often installed at the boundary.

These drainage doors are opened to let freshwater river water flow into the sea during low tide, and at the time of high tide, it closes the seawater back to the river water, and also performs measures for rainy season or drought.

1 is a cross-sectional view schematically showing the operation of the conventional river drainage door will be described with reference to this.

(a) In the drawing, the drainage gate 10 is placed at the boundary between the river 1 and the sea 2 to prevent the river water from flowing into the sea 2. In this case, the water level is continuously increased as the river water is stored, and when the water level reaches a certain level, the river water is sent to the sea 2 while forcibly pushing the drainage door 10 at the water pressure. To this end, the drainage door 10 is configured to open and close toward the sea using the hinge 11 located at the top as a pivot point. ((B) drawing)

Thereafter, when the river water is sufficiently drained to the sea 2 or the water level of the sea 2 rises due to high water, the drain door 10 is forcibly closed by the water pressure to prevent the backflow of the sea water. Of course, the drainage door 10 is not closed to the river (1).

As a result, through the above-described principle, the conventional drainage door 10 operates naturally without any management. However, a problem arises that prevents the operation of the drainage door 10 that opens and closes to the sea as various soils, such as sand, are deposited by the flow of seawater and river water at the bottom of the drainage door 10 that is closed.

Such a problem could cause flooding of the river water by preventing the smooth opening and closing operation of the drainage door 10, and gradually paralyzed the dimensional function, causing a big problem.

Therefore, in recent years, in order to solve this problem, a method of opening and closing the drainage door 10 by moving up and down instead of opening and closing has been conceived. However, in this case, the above-mentioned principle of hydraulic pressure cannot be applied, and it has to be operated automatically and / or manually by mechanical operation.

However, since the drainage door that is opened and closed in such a mechanical manner is automatically operated in time or manually operated at the subjective judgment of the person, it is not possible to apply flexibly in an area where the flow rate is severely changed, and energy and manpower input are inevitable. Therefore, the initial construction cost of drainage doors, as well as the maintenance costs for managing them, have to be consumed.

Therefore, the present invention was devised to solve the above problems, and it is possible to flexibly dimension river water and sea water according to the naturally varying flow rate, and to minimize the maintenance cost required for operation, The purpose is to solve the problem that prevented the opening and closing.

The present invention to achieve the above object,

A flat portal gate installed at the boundary between the downstream river and the sea to block the flow of river and sea water;

A plurality of drains which are formed to be spaced apart vertically from the door, and having a rotation groove disposed on an inner side lower portion thereof and a second magnetic material provided on an inner side upper portion thereof; And

The lower side of the side is provided with a rotation shaft corresponding to the rotation groove, opening and closing the drainage opening and closing it toward the sea to the rotation point, the upper is provided with a first magnetic material corresponding to the second magnetic material, the change in the height of the sea water A gate containing a buoyant body buoyant accordingly;

It is an automatic opening and closing river drain door using a hydraulic pressure difference consisting of.

In order to achieve the above object, the present invention, in the river drainage door,

The drainage port is to be spaced apart from the other up and down adjacent to the drainage port, the narrower the separation distance.

In order to achieve the above object, the present invention, in the river drainage door,

It further includes a support having a fitting groove that is engaged with both ends of the door, the door is to be firmly fixed to the bottom of the river to resist downstream and current.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing a state of the river drain door according to the present invention, Figure 3 is an exploded perspective view showing one of the river drain door of Figure 2 will be described with reference to this.

The river drainage door 100 according to the present invention is a door-shaped door (110) that is installed at the boundary between the downstream river (1) and the sea (2) to block the flow of river and sea water; A plurality of drain holes 120 which are incision / formed to be spaced apart from the door 110 in a vertical direction, and a rotation groove 123 is disposed below the inner surface and a second magnetic body 122 is disposed on the upper portion thereof; And, the lower side is provided with a rotating shaft 132 corresponding to the rotating groove 123 to open and close the drain hole 120 by opening and closing it toward the sea to the rotating point, the upper portion corresponds to the second magnetic body 122 The first magnetic body 131 is provided, it is made of a blocking door 130 containing a buoyancy body 133 is buoyant according to the change in height of the sea water.

The door 110 is formed in the shape of a flat plate to be blocked by forcibly blocking the flow of river water and sea water, it may further include a separate support (140, 140 ') to increase the fixing. In general, the door 110 is made of a concrete structure with a large load without the addition of the support (140, 140 ') can be fixed enough to resist water pressure by weight, but if necessary to support the fixing force ( 140, 140 'are further provided. Although omitted in FIG. 3, the lower ends of the supports 140 and 140 ′ may include a high-density anchor (not shown) to be embedded in the river bed 3. On the other hand, since the door 110 is preferably in the shape of a plate, both ends of the door 110 on one side or both sides of the support (140, 140 ') for firm coupling with the support (140, 140') Each of these fitting grooves 141 and 141 'is formed.

The drain hole 120 is formed in the gate 110, through which the river water is drained. In this case, a plurality of drain holes 120 is formed in one door 110, two or more drain holes 120 must be formed to be spaced up and down. That is, a plurality of drain holes 120 are formed to be spaced apart up and down so that the water is gradually drained in accordance with the water level change of the river water.

By the way, the drain holes 120 may be a vertical interval, but may not be. In other words, in the preferred embodiment according to the present invention, the separation distance is narrowed upward from the separation distance with the other drain hole 120 adjacent up and down. This is to prevent the unopened drainage of the river water to utilize the stored river water as living water by preventing the water weight of the conventional drain door 10 does not open unless the river water is a certain amount or more. However, in the case of the river drainage door 100 according to the present invention, since the door ratio 110 is not closed for the drainage of the river water, the operation for achieving the above-described object cannot be achieved. Therefore, the above effect can be obtained by adjusting the separation distance of the drain hole 120 formed in a plurality of up and down on the door (110).

In the present invention, as described above, the separation distance between the immediately adjacent drains 120 is narrowed upwards, so that the distance between the drains enough to be drained enough to be drained only when a certain amount of river water is stored at the lower portion of the gate 110, When the river level rises above the average in the rainy season, the gap between the drainage outlets is narrowed at the upper portion of the gate door 110 to increase the drainage amount.

Meanwhile, the blocking door 130 is rotatably disposed in the drain hole 120 to open and close the drain hole 120. Therefore, the drain hole 120 is provided with a rotation groove 123 so that the blocking door 130 can be installed rotatably. In addition, the blocking door 130 is provided with a locking jaw such as the stopper 121 to open and close only to the sea so that the blocking door 130 does not open and close in the direction of the river (1) by the water pressure of the sea. The stopper 121 is an embodiment of the technical idea according to the present invention, that is, the position of the stopper 121 shown in FIG. 3 is an inner lower portion of the drain hole 120 and the pivot groove 123 and the rotation shaft. In addition to the structure in which the barrier gate 130 that is rotatably connected via 132 may not be rotated toward the river, it may be modified in various ways within the following claims.

The blocking door 130 has a rotating shaft 132 is formed on both sides of the lower side, the rotating shaft 132 is fitted into the rotating groove 123, the blocking door 130 is fixed to be rotatable. At this time, since the rotation shaft 132 and the rotation groove 123 is located at the lower end of the blocking door 130, the blocking door 130 is closed by using the lower end as the pivot point. This structure allows to overcome the conventional problem that opening and closing of the drainage door 10 was not easy due to the accumulated soil.

Figure 4 is a cross-sectional view showing the operation of the blocking door according to the present invention will be described in detail with reference to the blocking door 130.

The blocking door 130 has a lower portion of the pivot point to open and close the drain hole 120. Of course, the opening and closing of the blocking door 130 is due to the water pressure difference between the river (1) and the sea (2), which is shown in Figure 4 (a), (b) and (c). That is, when the water pressure of the river water is lower than the water pressure of the seawater, the barrier gate 130 is pushed to the water pressure of the seawater to close the drain hole 120 ((a) drawing), on the contrary, the water pressure of the river water is higher than the water pressure of the seawater In this case, the blocking door 130 is pushed by the water pressure of the river water to open the drain port 120. ((b) Figure) Therefore, it is possible to naturally prevent the back flow of sea water.

Meanwhile, the blocking door 130 may further include a buoyancy body 133. Blocking door 130 is rotated toward the sea (2) is affected by the water level of the sea. That is, when the water level of the sea water is increased, the barrier gate 130 should also prepare to close the drain port 120 accordingly, which is realized through buoyancy. Therefore, it is preferable that the blocking door 130 further includes a buoyancy body 133 so as to be easily affected by buoyancy.

On the other hand, when the blocking door 130 is rotated in the direction to close the drain hole 120 by the effect of the buoyancy body 133 as the water level of the sea water is increased, forcibly promotes its movement to the drain hole 120 Is to be closely closed by the blocking door 130, for this purpose was applied magnetic force.

A first magnetic body 131 is provided at an upper end of the blocking door 130, and a second magnetic body 122 is provided at an upper portion of the drain hole 120 corresponding thereto. At this time, the magnetic material is to be bonded to each other by magnetic force, one will be a metal that reacts to the magnetic force, such as iron and the other will be a magnet. As a result, the position of the blocking door 130 changes with the change of the seawater level, and when the seawater level becomes relatively higher than the water level of the river water, the blocking door 130 rotates in the direction of closing the drain 120. As a result, the drain port 120 is brought close to the drain port 120, and the first and second magnetic bodies 131 and 122 interact with each other to close the drain port 120 until an external force capable of overcoming the magnetic force is generated.

According to the present invention as described above, opening and closing of the drain is not hindered by the sedimentary soil deposited while the pivot point of the blocking door for opening and closing the drain opening, the blocking door is the water pressure of the seawater and river water by the buoyancy body and magnetic material Depending on the car, the drain can be opened and closed flexibly, thereby minimizing the maintenance cost for managing the drain door and maximizing the dimensional effect.

1 is a cross-sectional view schematically showing the operation of the conventional river drainage door,

Figure 2 is a perspective view showing the state of the river drain door according to the present invention,

3 is an exploded perspective view illustrating one of the river drainage gates of FIG. 2;

Figure 4 is a cross-sectional view showing the operation of the blocking door according to the present invention.

-Explanation of terms for main parts of attached drawings-

One ; River 2; Sea

3; Riverbed 10; Drainage door

11; Hinge 100; Drainage door

110; Mun 120; waterspout

121; Stopper 122; Second magnetic body

123; Revolving Groove 130; Block

131; First magnetic body 132; Pivot

133; Buoyancy bodies 140 and 140 '; Support

141, 141 '; Groove

Claims (3)

A flat portal gate installed at the boundary between the downstream river and the sea to block the flow of river and sea water; A plurality of drains which are formed to be spaced apart vertically from the door, and having a rotation groove disposed on an inner side lower portion thereof and a second magnetic material provided on an inner side upper portion thereof; And The lower side of the side is provided with a rotation shaft corresponding to the rotation groove, opening and closing the drainage opening and closing it toward the sea to the rotation point, the upper is provided with a first magnetic material corresponding to the second magnetic material, the change in the height of the sea water A gate containing a buoyant body buoyant accordingly; Automatic opening and closing river drain door using a hydraulic pressure, characterized in that consisting of. The method of claim 1, wherein the drain Automatically opening and closing river drain door using a water pressure difference, characterized in that the separation distance is narrowed toward the upper side, at a distance from the other adjacent drains up and down. The method according to claim 1 or 2, And a support having a fitting groove engaged with both ends of the door, so that the door is secured to the bottom of the river in response to downstream and current flows.