JP2002047636A - Sluice gate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sluice gate realizing reduction of the weight of a door stop and reduction of the number of parts required for an installation in an initial installation construction for the sluice gate and an easy exchanging work for only a door body without destroying a foundation in an exchange construction of the sluice gate and improving working efficiency of the whole of the mounting execution. SOLUTION: This sluice gate A is provided with a pair of door stops 3 which have U-shaped parts 1 in plan view buried in left and right wall bodies F or a foundation G, respectively, so that vertical grooves 2 face each other and are made of a corrosion resistant material and a door body 4 fitted elevatably into the vertical grooves 2 of the left and right door stops 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water control door installed in a waterway.

[0002]

2. Description of the Related Art As shown in FIGS. 4 and 5, a water control door installed to open or close a flow channel in a water supply and sewage channel, an irrigation channel, and the like is generally provided with a holding plate 43 as shown in FIGS. A pair of vertical frame portions 3 forming the grooves 32, 32
The door stop 33 includes a door stop 33 provided with the door groove 34 and the door groove 34. The door stop 33 and the door body 34 are made of cast iron (FC200). Left and right vertical frame 3
1 are connected by upper and lower horizontal frame portions 35 and left and right vertical frame portions 3.
The portion surrounded by 1 and the upper and lower horizontal frame portions 35 is an opening 33a through which water passes. 6 and 7, the vertical frame portion 31 forms a side frame portion 31a that forms a wide surface along the water flow direction of the water channel, and a wide surface along the width direction of the water channel. A front frame portion 31b is formed.

A door stop water stop plate 36 is fixed to the front surface of the front frame portion 31b and the front surface of the upper and lower horizontal frame portions 35, and the rear surfaces of the door body 34 corresponding to the door stop water stop plate 36 at the upper, lower, left and right sides. The door body water stop plate 37 is fixed to. And the door stop 33
On the side, a wedge-shaped fixing tool 38 having an inclined surface is attached to a lower front surface of the side frame portion 31a via a holding plate 43. On the door body 34 side, the wedge-shaped fixing member 38 on the front surface of both side edges thereof is provided. A wedge-shaped member 39 is provided at a position corresponding to the fixing member 38.
Is attached. The wedge-shaped member 39 and the wedge-shaped fixing member 38
Means that when the door body 34 is lowered, the mutually inclined surfaces are in sliding contact with each other and push the door body 34 to the rear side. Then, when the door body 34 is completely closed, the door body 34 is pressed against the door stop 33, and the door stop water stop plate 36 and the door body water stop plate 37 adhere to each other to maintain water tightness.

After the door stop 33 is positioned, as shown in FIG. 7, the rear surface of the front frame portion 31b and the wall F
Is fixed integrally to a foundation G such as mortar or concrete to be poured and cured. Also, the front frame portion 31b
Since the heavy water control door cannot be sufficiently supported only by the adhesion strength to the foundation G only on the rear surface portion, the door stop 33 is firmly attached to the wall F side by tightening with the anchor bolts 40 and the nuts 44. Fix it. Anchor bolt 40
Is fixed to the reinforcing bar 42 of the wall F via the auxiliary bar 41.

[0005]

However, in the conventional water control door, since the door stop 33 is made of cast iron as described above, there is a problem that rust is easily generated and the door is deteriorated. If it becomes necessary to replace the water control door due to aging, the work of demolishing the foundation G and removing the door stop 33 is required, and the problem that the replacement work takes a lot of labor and time is required. is there. In addition, door stop 33
Needs sufficient strength to support the door body 34 when the wedge-shaped fixing member 38 and the wedge-shaped member 39 come into sliding contact with each other. There is also a problem that the labor burden of the worker increases. Further, members such as the anchor bolt 40 must be buried in advance on the wall body F side, and the replacement work of the nut 44 is required at the time of replacement work.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem. In the initial installation work of the water control door, the weight per door and the number of members required for the installation are reduced. In the replacement work of the water control door, it is an object to provide a water control door in which a simple replacement operation of only the door body is realized without breaking down the foundation, and the work efficiency of the entire installation work can be improved.

[0007]

In order to solve the above-mentioned problems, the present invention has a U-shaped portion in plan view, and the U-shaped portion is formed on the left or right wall or the base so that the vertical grooves face each other. The water control door includes a pair of left and right door stops made of a corrosion-resistant material and embedded in the vertical grooves of the left and right door stops so as to be vertically movable.

[0008]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan sectional view showing a water control door according to the present invention, FIG. 2 is a perspective view of the same appearance, and FIG. 3 is a plan sectional view showing a form of forming a foundation.

The water control door A has a U-shaped portion 1 in plan view.
And a pair of left and right door stops 3 made of a corrosion-resistant material, and the left and right door stops 3 each having a U-shaped portion 1 embedded in the left or right wall body F or the foundation G such that the vertical grooves 2 face each other. Door 4 which is fitted into the vertical groove 2 so as to be able to move up and down.

A recessed groove Fa is formed in the left and right walls F along the longitudinal direction so as to face each other, and the U-shaped portions 1 of the left and right door stops 3 are arranged so that their openings face each other. Into the respective concave grooves Fa. Then, after performing accurate positioning adjustment such as verticality, mortar or the like is injected into the gap between the U-shaped portion 1 and the concave groove Fa, and cured, and the foundation G
To form Thus, the door stop 3 is buried in the wall F via the foundation G. In some cases, basic G
The U-shaped portion 1 may be fixed directly to the concave groove when the wall F (usually made of concrete) is formed without any intervening holes. Further, the left and right door stops 3 may be connected at the bottom of the water channel W.

The U-shaped portion 1 has a wall F on its three surfaces.
(Or the base G), it is not necessary to have a high strength as a single member because it is fixedly supported. In the present embodiment, a thin steel plate is formed and bent to form a U-shape. That is, the weight per door 3 can be reduced. Door stop 3
Is made of a material having excellent corrosion resistance so that it will not be replaced in the future, and is desirably a stainless steel material (particularly SUS304). This SUS 304 is a steel material having excellent wear resistance, and is effective because the degree of wear at the time of sliding contact with the door water stop plate 5 is reduced as described later.

In this embodiment, as described above, the door stop 3 is made of a material having excellent wear resistance, so that the door stop water stop plate 36 described in the prior art is not provided, and the door stop water stop plate 5 is provided. Are directly slid in contact with one side of the U-shaped portion 1 (hereinafter, in the U-shaped portion 1, the door water blocking plate 5
Is referred to as a rear surface 1a, and a surface facing the rear surface 1a is referred to as a front surface 1b).

The left and right side edges of the door body 4 are U-shaped portions 1.
Is set in the vertical groove 2 so as to be lowered from above the water channel. A rod 6 is attached to the upper part of the door body 4, and the door body 4 is
It is raised and lowered by a switch (not shown) located above. The door body water stop plate 5 is fixed to the rear surface of the left and right side edges of the door body 4 along the vertical direction. It is desirable that the door body water stop plate 5 be made of a material softer than the door stop 3. For example, when the door stop 3 is made of stainless steel, the door body water stop plate 5 is made of a bronze casting material. Thus, the degree of wear of the door stop 3 can be further reduced.

On the front side 3b of the door stop 3, a wedge-shaped fixing tool 7 having an inclined surface is attached to the front side 1b.
On the door body 4 side, a wedge-shaped member 8 is attached at a position corresponding to the wedge-shaped fixing member 7 on the front surface of both side edges thereof. When the door body 4 is lowered, the wedge-shaped member 8 and the wedge-shaped fixing tool 7 are brought into sliding contact with each other when the door body 4 is lowered, and push the door body 4 rearward. When the door body 4 is completely closed, the door body 4 comes into close contact with the door body 4 and is pressed against the door stop 3, so that the rear surface portion 1a of the U-shaped portion 1 and the door body water stop plate 5 come into close contact with each other. Keeps watertight. Further, for example, a water stop plate (not shown) is also attached to the bottom of the door body 4 and the bottom of the water channel, respectively, and when the door body 4 is lowered, the watertightness at the water channel bottom is maintained.

The formation of the foundation G is shown in FIG.
In addition to the one shown in FIG. 3A, as shown in FIG. 3B, it may be formed outside the protruding wall F. In this case as well, the U-shaped portion 1 is firmly attached to the base G on its three surfaces. Will be fixedly supported.

As described above, the U-shaped portion 1 has the U-shaped portion 1 in a plan view, and the vertical grooves 2 are opposed to each other.
Are buried in the left and right walls F or the foundation G, respectively.
If the water control door A is provided with a pair of left and right door stops 3 made of a corrosion resistant material and a door body 4 which is fitted into the vertical groove 2 of the left and right door stops so as to be able to move up and down, the weight of the door stop 3 can be reduced. Thus, the labor burden on the worker when the object is brought into the site is reduced. Also,
The U-shaped part 1 has a wall F or a foundation G on its three surfaces.
Since it is firmly fixedly supported, members such as the anchor bolts 40 and the studs 41 described in the related art are not required, and a simple door stop 3 installation work with a small number of members is constructed. .

Further, since the door stop 3 is made of a corrosion-resistant material, it is hardly deteriorated and can be replaced semi-permanently, and the replacement work of the water control door only requires replacement of the door body 4 alone. Therefore, there is no demolition of the foundation G, and it is a simple replacement work of the water control door.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the contents described in the drawings, and the shapes and mounting positions of the respective components are appropriately designed without departing from the gist thereof. Changes are possible.

[0019]

According to the present invention, in the first installation work of the water control door, the weight per door and the number of members required for the installation are reduced, and in the replacement work of the water control door, the foundation is demolished. The simple replacement work of only the door body is realized without any trouble, and the work efficiency of the entire installation work is improved.

[Brief description of the drawings]

FIG. 1 is a plan sectional view showing a water control door according to the present invention.

FIG. 2 is an external perspective view showing a water control door according to the present invention.

FIG. 3 is a plan cross-sectional view showing a form of forming a foundation.

FIG. 4 is a front view showing the structure of a general water control door.

FIG. 5 is a vertical sectional side view showing a structure of a general water control door.

FIG. 6 is an external perspective view showing a mounting structure of a conventional water control door.

FIG. 7 is a plan sectional view showing a conventional structure for mounting a water control door.

[Explanation of symbols]

 A Water control door F Wall body G Foundation 1 U-shaped section 2 Vertical groove 3 Per door 4 Door body 5 Door water stop plate

Claims (1)

[Claims] 1. A pair of left and right doors made of a corrosion-resistant material, each having a U-shaped portion in a plan view, wherein the U-shaped portions are respectively buried in left and right walls or foundations so that vertical grooves face each other. A water control door, comprising: a hit; and a door body that is fitted into the vertical groove of the right and left doors so as to be able to move up and down.