KR101129676B1 - Manufacturing method of polygon manhole and that device - Google Patents

Abstract

PURPOSE: A manufacturing method and a manufacturing device of a polygonal manhole for a multi-complex structure are provided to improve water tightness by forming top and bottom bodies using resin concrete. CONSTITUTION: A manufacturing method of a polygonal manhole for a multi-complex structure is as follows. An internal member(20) is extruded by melting synthetic resin. The extruded internal member is wound around a winding unit(11) and is formed in a flat pipe shape. A first primary resin is supplied to the outer side of the flat pipe. A core layer is formed by supplying a mixture of sand and resin or a mixture of sand and concrete to the outer side of the primary resin. A secondary resin is supplied to the outer side of the core layer. A fiber coated layer is formed in a main body(100) by supplying glass fiber or carbon fiber to the outer side of the secondary resin. Reinforcing bars are arranged on lower and upper molds of the main body, and a watertight packing is installed in the top end of the main body. The main body is located at the molds, and the molds are filled with resin concrete.

Description

Manufacturing method and apparatus of polygonal manhole for multiple compound structures

The present invention relates to a method for manufacturing a polygonal manhole for a multi-composite structure, and an apparatus thereof, and more particularly, to an inner diameter part made of a synthetic resin, a core layer mixed with light weight resin and sand, and a coating layer using resin and glass fiber. Light weight and strong body makes it easy to install and semi-permanent in life. The bottom body and upper body are made of resin concrete, so it is water tight and semi-permanent. The present invention relates to a method for manufacturing a polygonal manhole for a multi-complex structure and an apparatus thereof.

In general, the manhole is a hole that allows people to enter and exit the road, and the place where it is installed is installed at the place where the thickness or direction of the pipe changes, the starting point, the intersection point, the middle of the straight line between the length, and the air. It is generally installed at intervals of about 50 meters.

The shape is the most convenient circle for construction, in addition to the square, oval, etc. The entrance is surrounded by a frame or stone made of iron around it and covered with a round lid, usually cast iron or reinforced concrete, about 60 cm in diameter.

The body is made of concrete or brick, and the inside diameter of the passage hole is often 1 ~ 1.2m, and the bottom is the same as the bottom of the pipeline or lowered to accommodate the sediment. The depth depends on the depth of the pipeline, but the depth is over 100m.

The manhole is embedded in the ground and used, connecting pipes are integrally formed on both lower sides of the manhole body, flanges are formed on the upper and lower parts of the body, and a lid is installed at the center of the body.

These manholes are mainly made of concrete, and they are constructed by using concrete ready-made concrete that is cast in the field or made into a certain form.

In case of placing concrete on site, it is necessary to install some form of formwork, insert reinforcing bars into the installed formwork, and then add concrete. Therefore, construction is not easy and construction is delayed, which is the main cause of traffic congestion.

In addition, when using concrete ready-made products made in a certain form, the factory manufactures them to specifications and transports them to the site, which causes inconvenience in the removal process that requires the mobilization of large heavy equipment, and the expense of additional equipment. .

In addition, when the concrete is manufactured and installed, its own elasticity is insufficient, and durability due to vibration of the ground is not sufficient, and watertightness is not good.

When attaching the branch pipe, since the opening is formed in the inner and outer molds, it is impossible to work precisely according to the outer diameter of the tube, and the strength of the connection after the connection may be weakened. If the ground load acts differently, the bending stress is applied to the joints, so that the cracks can easily occur at the joints.

Document 1. Patent Publication No. 10-2004-0005716 (published Jan. 16, 2004) Document 2. Patent Publication No. 10-2009-0105617 (2009. 10. 07. publication) Document 3. Patent number 0931929 (registered Dec. 07, 2009) Document 4. Patent No. 0752268 (registered Aug. 20, 2007)

Therefore, the problem of the present invention devised in order to solve the above-mentioned drawbacks, while extruded to have a predetermined width using a synthetic resin (PE, PP, PVC, etc.) while the inner surface is smooth in a shape and the outer surface is predetermined It is supplied spirally while extruding into a shape, and the inner diameter member is prefabricated to form various types of tubes such as square, hexagon, and octagon, and in the process of discharging the tube, the resin and resin are mixed with the material. By forming a core layer by forming a coating layer made of a material mixed with a resin (resin) and glass fibers in the outer diameter to provide a light and easy to manufacture polygonal manhole body.

Another object of the present invention is to provide a polygonal manhole that allows the body coupled to the upper side and the lower side of the main body to provide high external pressure strength by forming a resin concrete using a resin as a binder and to improve watertightness. It is.

The present invention is an extruder for extruding the inner diameter member by supplying a synthetic resin;
A winding device for supplying the inner diameter member in a spiral manner and overlapping at a predetermined width to be coupled to any one tube among square, hexagon, and octagons having a smooth inner diameter;
A cutting device for cutting the inner diameter member supplied from the winding device to a predetermined length;
A primary resin supply device for supplying and coating primary resin to an outer diameter of the inner diameter member;
A core supply device for supplying any one of sand and resin or a mixture of sand and concrete to the outer diameter of the primary resin to form a core layer;
A secondary resin supply device for supplying and coating secondary resin to an outer diameter of the core layer;
A leftward fiber winding device and a rightward fiber winding device for forming a fiber coating layer by spirally feeding one of glass fibers or carbon fibers in different directions to the outer diameter of the secondary resin;
After drilling both sides from the lower side of the main body on which the coating layer is formed, the connecting tube is fitted and connected, and the upper and lower sides of the main body are connected to the formwork to fill and cure the resin concrete to form the upper body to the upper side of the main body. It is characterized in that the bottom body is integrally molded by molding.

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The present invention is an extruder for extruding the inner diameter member by supplying a synthetic resin;
A winding device for supplying the inner diameter member in a spiral manner and overlapping at a predetermined width to be coupled to any one tube among square, hexagon, and octagons having a smooth inner diameter;
A cutting device for cutting the inner diameter member supplied from the winding device to a predetermined length;
A primary resin supply device for supplying and coating primary resin to an outer diameter of the inner diameter member;
A core supply device for supplying any one of sand and resin or a mixture of sand and concrete to the outer diameter of the primary resin to form a core layer;
A secondary resin supply device for supplying and coating secondary resin to an outer diameter of the core layer;
A leftward fiber winding device and a rightward fiber winding device for forming a fiber coating layer by spirally feeding one of glass fibers or carbon fibers in different directions to the outer diameter of the secondary resin;
After drilling both sides from the lower side of the main body on which the coating layer is formed, the connecting tube is fitted and connected, and the upper and lower sides of the main body are connected to the formwork to fill and cure the resin concrete to form the upper body to the upper side of the main body. It is characterized in that the bottom body is integrally molded by molding.

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The present invention is extruded using a synthetic resin (PE, PP, PVC, etc.) to have a predetermined width while the inner surface is smooth in the shape of the outer and the outer surface is formed with a locking projection and double fixing projections and connecting grooves are supplied spirally double The inner diameter member is continuously assembled by the combination of the groove, the connecting protrusion and the locking groove to form various types of pipes such as square, hexagon, and octagon, and to the resin (resin) in the process of discharging the pipe. By forming a core layer by forming a fiber coating layer on the outer diameter is to provide a main body for polygonal manhole which can be integrally bonded and not separated.

The present invention is formed by the resin concrete using the resin as a binding material to the body to be bonded to the upper and lower side of the main body is high tensile elongation, strong resistance to cracking, low dimensional stability and shrinkage and can provide a high external pressure strength To provide a polygonal manhole.

1 is a plan view of a production process showing a preferred embodiment of the present invention
Figure 2a is a front view of the cross-sectional state of the inner diameter member of the present invention
Figure 2b is a front view of the engaged state for the inner diameter member of the present invention
Figure 2c is an enlarged front view of the main portion of the engaging portion for the inner diameter member of the present invention
Figure 3a is a cross-sectional view of the core layer formed on the inner diameter member of the present invention
Figure 3b is a cross-sectional view of the fiber coating layer formed on the core layer of the present invention
Figure 4 is a cross-sectional view showing the interior of the manhole of the present invention
5 is a perspective view of a preferred embodiment of the manhole of the present invention;
6 is a cross-sectional view of a preferred embodiment of the manhole of the present invention.
7 is a perspective view of the winding apparatus of the present invention;
8 is a plan view of another embodiment of a manhole of the present invention;
9 is a plan view of another embodiment of a manhole of the present invention;

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

Figure 1 shows a plan view of a production process showing a preferred embodiment of the present invention.

By supplying and melting the synthetic resin to install a winding device 11 in front of the extruder 10 for extruding the inner diameter member 20 in a predetermined form by winding the inner diameter member 20 in a spiral, round or square and various types of pipe Molded by cutting to the desired length.

Resin (resin) in the primary resin supply device 30 in the process of rotating the inner diameter member 20 is formed into a tube having a variety of shapes, such as rectangular, hexagonal, octagonal, cut into a predetermined length and supplied to a conventional rotating device to rotate This is supplied so that the entire upper surface of the inner diameter portion 21 is coated.

The resin may be supplied in the form of a spray or the method in which the inner diameter member 20 is wound and impregnated in the tank containing the resin is passed.

The core layer 41 is formed from the core supplier 40 on the upper side of the drawing of the inner diameter portion 21 supplied with the primary resin 31 supplied from the primary resin supplier 30.

The outer diameter of the core layer 41 is coated by supplying the secondary resin 51 from the secondary resin supply device 50.

The outer diameter of the secondary resin 51 is supplied with a glass fiber in one direction from the left direction fiber winding device 60, and the glass fibers supplied from the right direction fiber winding device 70 are wound in opposite directions to each other to form a fiber coating layer ( 110).

The outer diameter of the fiber coating layer 110 is formed by coating a protective layer 120, the main body 100 formed of the protective layer 120 is to be cooled by the cooling device (80).

Figure 2a is a cross-sectional front view of the inner diameter member of the present invention, Figure 2b is a front view of the coupling state for the inner diameter member of the present invention, Figure 2c shows an enlarged front view of the main portion of the coupling portion for the inner diameter member of the present invention.

In the inner diameter member 20 formed by injection molding into a starburst resin, a locking protrusion 22 is formed at a left end portion of the inner diameter portion 21 having a predetermined thickness and width, and the right side of the locking protrusion 22 is formed. As such, the double fixing protrusions 23 are installed at regular intervals, and the connection grooves 24 are formed at the center between the double fixing protrusions 23.

A sealing connecting portion 25 is formed on the right side of the double fixing protrusion 23, and a locking jaw 26 is formed on the right side of the sealing connecting portion 25 in a “┒” shape, and at a predetermined interval from the locking jaw 26. As a result, a plurality of reinforcing protrusions 28 having a coupling protrusion 28a formed thereon protrude.

The rightmost side of the reinforcing protrusion 28 is formed with a double groove 23a to which the double fixing protrusion 23 is coupled to the right side on which the engaging groove 22a is formed, and a connection groove 24 between the double grooves 23a. The coupling protrusion 24a to which the coupling is provided is provided, and the central protrusion 29 is formed on the coupling protrusion 24a.

On the right side of the central protrusion 29, a sealing protrusion 25a protrudes and is caught by the locking jaw 26, and a portion of the sealing protrusion 25a is formed with a sealing groove 27 in which the sealing material 27a is located. Watertightness is maintained at the sealing connection 25.

The inner diameter member 20 is spirally supplied to the winding device 11 is coupled to each other at regular intervals are wound in the shape of a square, hexagon, octagon, and the like.

3A is a cross-sectional view of a state in which a core layer is formed on an inner diameter member of the present invention, and FIG. 3B illustrates a cross-sectional view of a state in which a fiber coating layer is formed on a core layer of the present invention.

The inner diameter member 20 is formed into a tube having a rectangular, hexagonal, octagonal, or the like shape and cut into the required length so that the tube can be rotated on both sides.

In the process of supplying and rotating the tube made of the inner diameter member 20, the resin (resin) is supplied from the primary resin supply device 30 so that the entire upper surface of the inner diameter portion 21 is coated.

The resin may be supplied in the form of a spray or the method in which the inner diameter member 20 is wound and impregnated in the tank containing the resin is passed.

The core layer 41 is formed from the core supplier 40 on the upper side of the drawing of the inner diameter portion 21 supplied with the primary resin 31 supplied from the primary resin supplier 30.

The core layer 41 is preferably supplied with sand, or a material in which sand and resin (resin) are mixed, or a mixture of sand and cement.

The outer diameter of the core layer 41 is coated by supplying the secondary resin 51 from the secondary resin supply device 50.

The outer diameter of the secondary resin 51 is supplied with either glass-fiber or carbon-fiber impregnated with the resin (resin) in one direction from the left-hand fiber winding device 60, One side of the left-hand fiber winding device 60 is wound, either glass-fiber or carbon-fiber impregnated in the resin (resin) from the right-hand fiber winding device 70 Is supplied and wound, and at this time, the glass fiber or carbon fiber is wound in opposite directions to form the fiber coating layer 110 to form the main body 100.

The outer diameter of the fiber coating layer 110 is formed by coating a protective layer 120, the protective layer 120 is preferably formed of a tape made of vinyl.

Figure 4 is a cross-sectional view showing the inside of the manhole of the present invention, the inner diameter member 20 is molded by injection molding, the inner diameter member 20 can be injected and stored to be supplied and molded when necessary After the inner diameter member 20 is injected into a synthetic resin and molded, the core layer 41 including the primary and secondary resins 31 and 51 is formed in the outer diameter, and then the fiber coating layer 110 spirals in the left and right directions. The main body 100 is molded by impregnating and supplying resin (resin) so as to cross each other in the direction.

Figure 5 is a perspective view of a preferred embodiment of the manhole of the present invention, Figure 6 shows a cross-sectional view of a preferred embodiment of the manhole of the present invention.

The bottom body 12 installed below the main body 100 and the upper body 13 installed above have a resin concrete made of unsaturated polyester resin and aggregate (sand, gravel), fly ash, iron wire, etc., which are highly resistant to corrosion. It is molded after inserting into mold.

The bottom body 12 is used to reinforce the reinforcement (12a), and the lower part of the main body 100 is locked to be molded integrally, both sides of the main body 100 to connect the connecting pipe (11a) integrally will be.

The upper body 13 is coupled to the watertight packing (10a) to the upper end of the main body 100, and protrudes the reinforcing bars (13a) in the outward direction from the upper side of the main body 100 to form a resin concrete in the mold To be.

The upper body 13 is to install the lid 15 in the center, the lower side is to form a waterway so that the upper, sewer flows through the connecting pipe (11a).

The inner diameter of the main body 100 is installed so that the worker can pass by connecting a conventional ladder (14).

Figure 7 shows a perspective view of the winding device of the present invention, the winding device 11 is installed a chain 250 made of a square, the chain 250 is installed at a predetermined interval by the internal rotating rod 260 Connected.

The chain 250 is connected to the transfer gear box 210, the hydraulic hose 240 is connected from the outside to receive the hydraulic pressure, in the transfer gear box 210 and the rotating rod 260 of the chain 25 It is connected to be rotated at the same time is connected so as to proceed in one direction by the rotational power to rotate by supplying power to the coupling roller (22).

The coupling roller 22 has a concave-convex shape, such as the outer shape of the inner diameter member 20 is pressed to the inner diameter member 20 to be coupled in a spiral.

One side of the transfer gear box 210 is a supply guide 230 is installed to guide the inner diameter member 20.

Figure 8 shows a plan view of another embodiment of the manhole of the present invention, the main body 100 forming the manhole can be formed in a square by forming the winding device 11 in a square, but formed in a hexagonal inner diameter member ( It is possible to form a manhole into a hexagon by forming 20 to be wound in a hexagon.

Figure 9 shows a plan view of another embodiment of the manhole of the present invention, the main body 100 constituting the manhole can be formed in a square by forming the winding device 11 in a square, it is formed in an octagonal inner diameter member It is possible to form the manhole in an octagon by forming the 20 to be wound in an octagon.

The present invention having such a configuration is to supply and melt the synthetic resin raw material by extruding and cooling the inner diameter member 20 in front of the extruder 10, and then spirally supplied to the winding device 11 or wound around the drum.

When the inner diameter member 20 is supplied to the supply guide 230 and spirally guided to the winding device 11, the inner diameter member 20 is pressed by the power supplied by the hydraulic hose 240 to the transfer gear box 210, and the sealing protrusion is pressed. The sealing material 27a formed in the sealing groove 27 while the sealing groove 27 is positioned at the sealing connecting portion 25 at a pressure that is supplied to the locking jaw 26 and is pressed from the outside is a sealing connecting portion ( 25) to keep the watertight stable.

As the double fixing protrusion 23 is coupled to the double groove 23a formed at the lower side of the central protrusion 29, the connecting protrusion 24a is coupled to the connecting groove 24, and the locking protrusion 22a is provided at the locking protrusion 22a. 22) are spirally coupled at the same time.

Since the inner diameter member 20 is helically supplied through the supply guide 230, the inner diameter member 20 is coupled by the coupling roller 220, so that the central axis of the transfer gear box 210 is connected to the rotating rod 260. Is coupled to the transfer gear box 210 is rotated in the clockwise direction, while the transfer gear box 210 is slowly moved forward while generating the force to be pushed forward by the inner diameter member 20 is caught in the supply guide 230 It will rotate.

As the transfer gear box 210 rotates in a clockwise direction, the inner diameter member 20 is coupled and the battery is forwarded. Since the shape of the chain 250 is a quadrangle, the inner diameter member 20 is quadrangular along the shape of the chain 250. ) Are combined to form a continuous tube.

Since the inner diameter member 20 is spirally supplied, the coupling is made by a continuous coupling structure, and since the solid and stable coupling force is made at a low height, the double fixing protrusion 23 and the double groove 23a and the connecting groove are combined after being combined. By the combination of the 24 and the connecting projection (24a) to prevent the loosening phenomenon in the horizontal direction in the drawing, the watertight is kept stable by the sealing material (27a), the sealing projection (25a) and the locking step (26) By the sealing is made is a strong bonding force is provided.

Since the inner diameter member 20 wound in a quadrangular shape by the chain 250 may be difficult to maintain a quadrangle, it is possible to install a rectangular frame at regular intervals on an inner diameter at which the inner diameter member 20 is formed into a quadrangle. Do.

According to the shape of the winding device 11 by the spiral coupling of the inner diameter member 20, it is possible to wind in various shapes such as hexagons, octagons, etc., in addition to the quadrangle, and the cutting device to the required length if the predetermined length in the form of a tube ( Cut at 90).

After cutting the tube, the primary resin 31 is sprayed or impregnated from the primary resin supply device 30 to the outer surface of the inner diameter member 20 while being rotatably connected to both sides of the tube.

The inner resin member 20 coated with the primary resin 31 is supplied with a core or a material in which a mixture of sand, sand and resin (resin), or a mixture of concrete and sand is supplied from the core supply device 40. Form layer 41.

The core layer 41 is preferably formed at the end of the reinforcement protrusion 28 or at the same height as the middle height of the engaging projection 28a.

The secondary resin 51 is sprayed or impregnated from the secondary resin supply device 50 to the outer diameter of the core layer 41.

In the outer diameter coated with the secondary resin 51, the glass fiber is wound from the left-hand fiber winding device 60 in the left direction, and the glass fiber is supplied from the right-hand fiber winding device 70 in the right direction and wound. Will be to form a fiber coating layer (110).

The fiber coating layer 110 is to form the main body 100 by winding the fiber glass or carbon fiber impregnated in the resin (resin) is supplied in different directions.

The main body 100 is cooled by the cooling device 80, the fiber coating layer 110 is to protect the protective layer 120 by coating with a vinyl or the like.

The core layer 41 and the fiber coating layer 110 is able to provide superiority in strength by the reinforcing protrusions 28 of the inner diameter member 20, the coupling protrusion formed on the reinforcing protrusions 28 ( By 28a), the bonding force between the core layer 41 and the fiber coating layer 110 is greatly improved, so that the mechanical strength can be greatly improved.

The main body 100 is to cut and supply a predetermined length, form a form forming the bottom body 12 and the upper body 13 of a predetermined shape, the reinforcing bars 12a in the space where the bottom body 12 is to be formed ) Is installed to the upper side of the main body 100 so that the watertight packing (10a) and the reinforcing bar (13a) to the outer diameter.

The lower side of the main body 100 is connected to the connecting pipe (11a) in advance to coat the glass fiber and to coat the resin to be molded to be integral.

The bottom body 12 is molded like a resin concrete so that a part of the lower side of the main body 100 is locked so as to be integrated, and the upper body 13 is made of resin concrete so that the upper body 13 is integrated with the main body 100 even from the upper side of the main body 100. It is molding.

The resin concrete is formed from a formwork by mixing an aggregate of the unsaturated polyester resin and corrosion resistant sand and sand or gravel and sand and gravel with fly ash and the like.

The resin concrete has a high tensile elongation, is resistant to cracking, has low dimensional stability and shrinkage, and provides high corrosion resistance against erosion of acidic soil or seawater.

The main body 100 connecting between the bottom body 12 and the upper body 13 made of the resin concrete can provide a stable watertightness because the inner diameter member 20 made of a synthetic resin is spirally coupled to the inner body. The core layer is light in weight and is easy to handle, and is made of a fiber coating layer to provide a very solid manhole.

When the manhole is formed by forming the chain 250 in a hexagon as shown in FIG. 8, the manhole may be formed in a hexagonal manhole. As shown in FIG. 9, the manhole may be formed by forming the chain 250 in an octagon. In this case, since it is possible to shape the octagon manhole, it is possible to form a polygon such as a square, a hexagon, and an octagon in addition to a circle.

The present invention is used as a pipe for water and sewage, the inner diameter is a synthetic resin layer which is assembled by molding and then helically supplied by extrusion into a synthetic resin and the outside is made of a core layer and a high-strength fiber coating layer is mutually adhesive and mechanical strength Excellent, strength and durability is greatly improved and light to provide a user-friendly body, by molding the bottom body and the upper body to be bonded with the resin resin can provide a crack-free and dimensional stability manhole.

10: extruder 11: winding device
11a: connector 12: bottom body
12a, 13a: rebar 13: upper body
14: ladder 15: lid
20: inner diameter member 21: inner diameter portion
22: locking projection 22a: locking groove
23: double fixing protrusion 23a: double groove
24: connecting groove 24a: connecting projection
25: sealing connection portion 25a: sealing projection
26: jam jaw 27: sealing groove
27a: locking groove 28: reinforcing protrusion
28a: engaging projection 29: central projection
30: primary resin supply device 31: primary resin
40: core supply device 41: core layer
50: secondary resin supply device 51: secondary resin
60: left direction fiber winder 70: right direction fiber winder
100: main body 110: fiber coating layer
120: protective layer 210: transfer gear box
220: combined roller 230: supply guide
240: hydraulic hose 250: chain
260: rotating rod

Claims (4)

(a) extruding the inner diameter member 20 by supplying and melting a synthetic resin;
(b) a winding step of spirally feeding the extruded inner diameter member 20 to the winding device 11 and winding the spiral inner diameter member 20 into a tube of any one of square, hexagon, and octagons having a smooth inner diameter;
(c) a primary resin supplying step of supplying the primary resin (31) to the outer diameter of the smooth pipe wound around the inner diameter member (20);
(d) a core layer forming step of forming a core layer 41 by supplying any one of sand and resin or a material mixed with sand and concrete to the outer diameter of the primary resin 31;
(e) a secondary resin supplying step of supplying the secondary resin 51 to the outer diameter of the core layer 41;
(f) a coating step of forming a fiber coating layer 110 by spirally feeding one of glass fibers or carbon fibers in different directions to the outer diameter of the secondary resin 51;
(g) forming a connecting pipe (11a) by punching both sides of the lower side of the main body 100 in which the fiber coating layer 110 is formed;
(h) reinforcing the reinforcing bars (12a, 13a) to the lower and upper formwork of the main body (100), and installing a watertight packing (10a) on the upper end of the main body (100);
(i) positioning the main body 100 in the formwork and filling the resin concrete formwork to cure the main body 100 and the bottom body 12 and the upper body 13, characterized in that it comprises the step of integrally coupling Method of manufacturing a polygonal manhole for multiple composite structures.
An extruder 10 for extruding the inner diameter member 20 by supplying a synthetic resin;
A winding device (11) for supplying the inner diameter member (20) spirally and overlapping at a predetermined width so as to be coupled to any one tube among square, hexagon, and octagons having a smooth inner diameter;
A cutting device 80 for cutting the inner diameter member 20 supplied from the winding device 11 to a predetermined length;
Primary resin supply device 30 for supplying and coating the primary resin 31 to the outer diameter of the inner diameter member 20;
A core supply device 40 for supplying any one of sand and resin or a mixture of sand and concrete to the outer diameter of the primary resin 31 to form a core layer 41;
A secondary resin supply device 50 for supplying and coating a secondary resin 51 to an outer diameter of the core layer 41;
Left fiber winding device 60 and right fiber winding device for forming the fiber coating layer 110 by spirally feeding any one of the glass fibers or carbon fibers in different directions to the outer diameter of the secondary resin 51 ( 70);
After drilling both sides from the lower side of the main body 100 on which the coating layer 110 is formed, the connector pipe 11a is fitted to each other, and the upper and lower sides of the main body 100 are coupled to formwork to connect the resin concrete to the formwork. Filling and curing to the upper side of the main body 100, the upper body 13 to the lower side of the bottom body 12 is integrally combined to form a multi-component polygonal manhole manufacturing apparatus, characterized in that the molding.
The method of claim 2,
The extruder 10 for extruding the inner diameter member 20 forms a connection groove 24 between the double fixing protrusions 23 to the left side of the inner diameter portion 21 and installs the locking jaw 26 in the sealing connection portion 25. The reinforcing protrusions 28 are formed at regular intervals to the upper side of the inner diameter portion 21, and the right side of the connecting protrusion 24a formed between the double grooves 23a at the right end of the inner diameter portion 21. Forming a sealing projection (25a) to be wound in a spiral wound;
Forming a sealing groove 27 in the sealing projection (25a) to further install a sealing material (27a) to be sealed,
The locking groove 22a formed to the left side of the double fixing protrusion 23 is formed by forming the locking groove 22a at the lower side of the double groove 23a and the connecting protrusion 24a, and the upper side of the double groove 23a. Apparatus for producing a multi-component polygonal manhole, characterized in that for extruding the inner diameter member 20 protruding from the central projection (29).
The method of claim 2,
The winding device 11 includes a chain 250 having a rotating rod 260 formed in any one of a square, hexagon, and octagon shape;
It is connected to any one of the rotating rods 260 installed at regular intervals inside the chain 25 and installs a coupling roller 220 for assembling the inner diameter member 20 to the outside and guides the inner diameter member 20 in a spiral manner. Apparatus for manufacturing a polygonal manhole for a multi-complex structure, characterized in that consisting of a feed gear box 210 is provided with a supply guide 230.

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