KR100600516B1 - Waterproof-sealed manhole - Google Patents

Abstract

The present invention relates to a manhole buried underground, more specifically, in a manhole buried underground and installed in water or sewage pipes, electric or whole body, water and sewage valves, electrical or whole body booth box inside An inherent lower body, integrally coupled to or separated from an upper portion of the lower body, and having an upper body having an upper passage through which a manipulator and a user pass on an upper surface thereof, wherein the lower body and the upper body are formed in a cylindrical enclosure Waterproof paint is applied to the inner and outer sides of the manhole, and formed of a metal material, especially steel and cast iron, to form a enclosure so that it is watertightly sealed, and it is difficult to repair and replace water and sewage pipe valves and electrical / telephone booths. Watertight and airtight man to maximize the efficiency of manhole manufacturing and installation work by manhole standardization and excellent watertight sealing effect Relate to.

Manholes, underground, waterproof, water and sewage pipes, piping

Description

Waterproof-sealed Manhole

1 is a schematic perspective view of the waterproof sealed manhole of the present invention.

Figure 2 is a schematic cross-sectional view at one side of the waterproof sealed manhole of the present invention.

3 is a schematic cross-sectional view from another side of the waterproof hermetic manhole of the present invention.

Figure 4 is a detailed view of the coupling portion of the watertight sealed manhole of the present invention.

<Description of the symbols for the main parts of the drawings>

2: manhole 3: piping

5: valve

10: lower body

20: upper body

30: upper and lower joint flange

32: upper conjugate 36: lower conjugate

50: Packing

The present invention relates to a manhole buried underground, more specifically to a watertight sealed manhole that is formed in a cylindrical enclosure of the lower body and the upper body, which is waterproof and easy to repair and replace the inner member. It is about.

In general, the manhole is installed underground, and is connected to the water and sewage pipes, electrical and telegraph pipes, transmission pipes and the like. Inside the manhole, valves for water and sewage pipes, booths for electric and telegraphs, and the like are installed.

In the conventional manhole, the main material is concrete cement, and the installation process is performed by digging the ground where water, sewage pipes, or electric and telegraph pipes are installed, and then installing the manholes according to the manhole installation. Secure the place of installation. After manufacturing the formwork for concrete, after pouring concrete to form a manhole, connecting the other pipes and connecting the valves and booths, the subsequent piping continues to be installed continuously.

The conventional manhole through this process has a problem in that the entire piping construction period is prolonged due to the considerable time required for concrete pouring because it is installed in concrete. In addition, since the manhole is formed by concrete pouring, it is difficult to standardize the concrete. Therefore, a large gap is formed in the joint portion between the conventional manhole and the pipe, so that water, moisture, etc., caused by groundwater or rainwater, seep into the interior of the manhole. do. Such water and moisture easily corrode the inner member of the manhole, and when a considerable amount of water accumulates in the manhole, there is an inconvenience in repairing, replacing and inspecting the inner member, such as watering out before crushing.

In particular, when it is necessary to replace an internal member such as a valve or other booth in a manhole, since a large internal member cannot be taken out as the vertical movement passage for the user to move, the upper part of the manhole integrally formed by concrete casting is used. Since it is necessary to take out the inner member to the hole secured by breaking using, unnecessary work is required, and problems such as the upper part of the concrete manhole become poor.

An object of the present invention for solving the above problems is to provide a manhole so that the inner and outer sides are watertightly sealed, provided with a metal material, in particular steel, cast iron material so that the waterproofing coating is applied to the inner and outer sides and formed into a box shape. It is to make it easy to repair and replace sewage pipe valves, electric booths, etc., and to standardize manholes to maximize the efficiency of manufacturing and installation of manholes and to provide excellent waterproof sealing effect.

The present invention for achieving the above object is buried in the basement installed in the water, sewage pipe, electric or whole body manhole, the lower body of the water and sewage valve, electrical or whole body booth box, A watertight and sealed manhole which is integrally coupled to or separated from the upper portion of the lower body, and has an upper body having an upper passage through which a manipulator and a user pass on the upper surface, and wherein the lower body and the upper body are formed in a cylindrical box shape. to provide.

At this time, the lower body and the upper body is provided with a steel or cast iron, is formed in a circular shape to surround the coupling portion of the lower body and the upper body is provided with a pair of upper and lower joint flanges facing the upper and lower sides, Paired upper and lower joint flanges are provided with an upper joint formed with an upper flange, which is a wing in contact with the upper body, and a lower joint formed with a lower flange, a wing, which is in contact with the lower body. A horizontal flange is formed to protrude in a plate shape so as to be fixed by a plurality of bolts. The outer surface is coated by powder-fused polyethylene or solid glass flake epoxy, and the inner surface is a liquid-tight seal manhole that is waterproof and coated with liquid epoxy. to provide.

Hereinafter, with reference to the accompanying drawings as follows.

1 is a schematic perspective view of a waterproof sealed manhole of the present invention, Figure 2 is a schematic cross-sectional view from one side of the waterproof sealed manhole of the present invention, Figure 3 is a schematic cross-sectional view from another side of the waterproof sealed manhole of the present invention. 4 is a detailed view of the coupling portion of the waterproof sealed manhole of the present invention.

That is, the present invention relates to a manhole (2) buried in the underground ground (1) and installed in the water and sewage pipe, electric or whole body, as shown in Figure 1 to 4, the water and sewage valve (5) The lower body 10 having an internal or internal booth box is integrally coupled to or separated from an upper portion of the lower body 10 and the upper passage 22 through which the manipulator 21 and the user pass on the upper surface. It is provided with an upper body 20 is provided, the lower body 10 and the upper body 20 is formed to be integrally coupled in a cylindrical box shape, in particular the lower body 10 and the upper body 20 was provided with steel or cast iron.

That is, the manhole 2 is formed in a cylindrical shape, but the flat cross section is formed in a shape suitable for a situation among square, triangular and polygonal shapes or circular shapes. As described above, since the manhole 2 of the present invention is formed in a cylindrical shape to be sealed off from the outside, moisture from groundwater or rainwater is prevented from penetrating into the manhole 2 from the outside, thereby preventing corrosion of the inner member. In addition, even when working in the manhole (2), it is possible to work immediately without removing the water in the manhole as in the prior art.

In addition, since the upper body 20 and the lower body 10 of the manhole 2 are made of metal or iron, especially steel or cast iron, the manufacturing process is easy and simple, and the working process is shortened. In other words, in the case of using a conventional cement or formed into an irregular shape, even after the manhole construction point is selected, the concrete formwork is formed, and the construction date is again formed by forming a hole for water and sewage or electrical and electronic equipment in the molded outer wall. Although significant, according to the present invention manhole (2), because it is formed of a metal material can be mass-produced by standardizing the manhole (2), because the installation of the standardized manhole (2) is expected to shorten the construction date, etc. There is a good point of.

Therefore, the upper body 20 and the lower body 10 can be manufactured by steel by bending, and also can be manufactured by cast iron by casting, and any can be produced as a pre-calculated standard product, and also of water and sewage Since it can be manufactured in various sizes according to the pipe capacity, the size of the installation member for electrical and electronics, the size of the manhole (2) to a variety of forms to make it possible to manufacture.

Particularly, when the upper body 20 and the lower body 10 are made of steel using steel pipes, the prefabricated steel pipes are cut to a suitable length, so that the manufacturing process is simple and the cost required for manufacturing is reduced. You can maximize the efficiency of production, such as shortening the period. In addition, since the standardized steel pipe is used, the manhole 2 made of the upper body 20 and the lower body 10 produced by this can also be easily manufactured to be standardized, and other subsequent piping work can be expected. , Can maximize the efficiency of installation and maintenance work using the manhole (2) according to the present invention.

In this case, in order to facilitate assembly and separation of the lower body 10 and the upper body 20, the lower body 10 and the upper body 20 is formed in a circular shape so as to surround the upper and lower parts facing A pair of upper and lower joint flanges 30 are formed. As shown in FIG. 1, the upper and lower joint flanges 30 may be formed to be spaced apart from the upper side of the pipe 3 so that the pipe 3 may be coupled to the lower body 10. In addition, as shown in FIG. 2, the upper and lower joint flanges 30 are formed to have a height overlapping with the pipe 3.

That is, when the height of the upper and lower joint flange 30 is provided so as to be spaced apart from the height to which the pipe 3 is coupled, as shown in Figure 1, the flange end pipe 51 to which the pipe 3 is coupled is a lower body ( 10) to be formed integrally. Therefore, the flange end pipe 51 and the outside of the pipe 3 to be inserted and coupled to the inside are sealed to each other to maintain airtightness.

In addition, when the height of the upper and lower joint flange 30 is provided so as to overlap with the height of the pipe 30, as shown in Figure 2, the upper portion of the flange end pipe 51 surrounding the outer periphery of the pipe 30 is the upper body 20 It is provided in, the lower portion is provided with one side to the lower body 10, when the upper body 20 and the lower body 10 is combined, the flange end pipe 51 is wrapped around the outer peripheral surface of the pipe 3 to maintain airtightness I did it.

As shown in FIG. 4, the pair of upper and lower junction flanges 30 as shown in FIG. 4 have an upper flange 31 and a lower body, in which upper flanges 31, which are wings in contact with the upper body 20, are upwardly formed. Lower junction 35, which is a wing which is in contact with 10, is provided with a lower junction 36 formed downward, and the upper junction 32 and the lower junction 36 are in contact with each other by protruding in a disc shape outward. The horizontal flanges 33 and 37 to be fixed by the plurality of bolts 40 are formed. A sealing packing 50 is provided between the horizontal flanges 33 and 37 in contact with the upper junction 32 and the lower junction 36, and in the contact portion between the upper body 10 and the lower body 20. In order to prevent external water or moisture from penetrating into the interior.

Thus, after the upper body 20 and the lower body 10 are coupled in the state in which the packing 50 is positioned, the upper and lower joints 32 and the lower joints are joined to the upper body 20 and the lower body 10. 36 is positioned so that it is fastened by the bolt (40). Therefore, to maintain the airtight by the packing 50, it is to facilitate the separation and coupling of the upper body 20 and the lower body 10 by the bolt 40 and the upper and lower joint flange 30.

Therefore, when you want to repair or replace the accessories in the interior of the manhole (2) by loosening the bolt 40, then lifting the upper body 20, it is easy to replace the internal accessories. In particular, when the size of the internal accessory is larger than the size of the upper passage 22 can be usefully used.

In addition, when repairing or replacing the accessories of the manhole (2), as in the conventional manhole, because it is not necessary to remove the water in the manhole before the operation, the operation is easy and the cost can be reduced accordingly.

In addition, in order to prevent corrosion of the lower body 10 and the upper body 20, each outer surface is to be applied by powder-fused polyethylene or / and the solid glass flake epoxy, and each inner surface Applying epoxy to the liquid, to be waterproof, to prevent corrosion of the body of the manhole (2), to be used semi-permanently.

At this time, the powder-fused polyethylene or / and glass flake epoxy to be applied to the outer surface used in the present invention to be waterproof is used in the field of steel pipes in general.

The process of manufacturing the manhole 2 of the present invention provided as described above is as follows.

That is, the upper body 20 and the lower body 10 of the manhole 2 according to the present invention can be provided with the main configuration made of metal, in particular steel pipe or cast iron. Therefore, the manufacturing process will be described with an example provided as a steel pipe in particular. However, even if the cast iron or alloy is provided by the same or similar manufacturing process is natural.

That is, when the upper body 20 and the lower body 10 is formed of a steel pipe, the cylindrical steel is cut to a certain size. The length of the cut and the diameter of the steel pipe is to be determined according to the conditions of the manhole (2) applied to each. In the steel pipe cut in this way, the upper body 20 is joined to the upper plate of the plate-shaped circular plate by welding. In addition, after cutting the part in which the manipulator 21 is installed and the part in which the upper passage 22 is moved by the user, the manipulator 21 and the upper passage 22 are joined by welding or bolts, respectively, The sieve 20 is fully equipped.

And the lower body 10 is also joined by welding a flat plate-shaped circular plate to the lower part. In this case, the upper body 20 and the lower body 10 are preferably formed in each of the wing-shaped flanges in contact with each other to facilitate the coupling.

In this way, the preparation of the upper body 20 and the lower body 10 is completed, such an upper body 20 and the lower body 10 may be provided with a variety of sizes depending on the use and environment. In addition, it is possible to manufacture in large quantities by standardized and determined size to maximize the production production efficiency.

Looking at the process of installing the present invention manhole (2) prepared as follows. In other words, during the work on the water and sewage pipes (3) or the electric and telegraph pipes, use the equipment to dig up the ground to secure the installation place in the area where the water and sewage valves (5) or the electric and electric booths should be installed. do.

In addition, a flat horizontal surface is formed on the bottom of the installation site by concrete placing or plate.

And the lower body 10 produced by the above manufacturing method is located on the bottom of the installation place. At this time, the lower junction 36 of the upper and lower junction flange 30 is preferably bonded to the lower body 10 in advance to facilitate the subsequent coupling.

The upper body 20 is then positioned to engage with the lower body 10. At this time, the packing 50 is positioned at the coupling portion of the upper body 20 and the lower body 10. The packing 50 is formed in a circular ring shape as a whole, but formed to have a cross section of an appropriate shape according to the shape of the coupling portion of the lower body 10 and the upper body 20, so that the efficiency of airtightness is high. It is preferable to.

Then, after inserting the upper junction 32 into the upper body 20, the upper junction 32 and the lower junction 36 to be coupled and fastened by the bolt 40, the installation of the manhole 2 of the present invention You are done.

The present invention provided as described above relates to a manhole provided with a metal material, in particular, steel, cast iron material so that the inner and outer sides are watertightly sealed so that the waterproofing coating is applied to the inner and outer sides and is formed in the shape of an enclosure. It is easy to repair and replace electric / telephone booth, and it is easy to replace because water is not accumulated in the manhole because water is not accumulated in the manhole, and it is standardized to manufacture the manhole. It is effective to maximize the efficiency of installation work. In addition, since the metal manhole is composed of upper and lower parts, the inner part is assembled after the lower part is installed, and then the upper part is installed. Edo can be maximized because it works in the state that the upper member is lifted out. In particular, since the manhole is formed in a tubular enclosure using a steel pipe, it is easy to manufacture using a steel pipe, thereby maximizing the production efficiency by simplifying the manufacturing cost and manufacturing process.

Claims (4)

In the manhole which is buried underground and installed for water and sewage pipe, electricity or whole body, Lower body 10 in which water and sewage valves, electric or whole-body booth boxes are embedded inside, It is provided with an upper body 20 which is integrally coupled to or separated from the upper portion of the lower body 10, and provided with an upper passage 22 through which the manipulator 21 and the user pass on the upper surface. Watertight and sealed manhole, characterized in that the lower body (10) and the upper body (20) is formed in a cylindrical box shape. The method of claim 1, The lower body (10) and the upper body (20) is a waterproof sealed manhole, characterized in that provided with steel or cast iron. The method of claim 2, The lower body 10 and the upper body 20 A pair of upper and lower joining flanges 30 are formed in a circular shape so as to surround a coupling portion of the lower body 10 and the upper body 20 so that the upper and lower parts thereof face each other. The pair of upper and lower joint flanges 30 are upper flanges 32 having upper flanges 31, which are wings in contact with the upper body 20, and lower flanges 35, which are wings in contact with the lower body 10. Is provided with a lower junction 36, the upper junction 32 and the lower junction 36 is in contact with the horizontal flange (33, 37) to protrude in a disc shape outwardly to be fixed by a plurality of bolts Waterproof sealed manhole characterized in that is formed. The method according to any one of claims 1 to 3, The lower body 10 and the upper body 20 Outer surface is applied by powder fused polyethylene or solid glass flake epoxy, The inner side is a watertight and sealed manhole characterized in that the liquid epoxy is coated to be waterproof.

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