KR100653437B1 - Manufacturing equipment for a manhole block, assembling method for the same equipment, manufacturing method for a manhole block, and manhole block using the same method - Google Patents

Abstract

An apparatus and a method for manufacturing a manhole block are provided to reduce the manufacturing hours and processes by manufacturing the bottom and wall of a manhole block at once, to produce various sized manhole blocks by forming an outer mold and an inner mold with plural mold frames ad to form an inverter of a manhole block easily by coupling a mold for inverter formation to an inner mold. An apparatus for manufacturing a manhole block contains: an outer mold(110) formed by assembling plural mold frames(111,112), which are composed of plural sub mold frames(111a,111b,112a,112b), by connectors(115) to form the outward appearance of a manhole block; an inner mold(120) placed in the outer mold to form the inside space of the manhole block and formed by assembling plural mold frames by connectors; and a pallet coupled to the outer mold and the inner mold to connect the outer mold and the inner mold. Hereon the outside of the pallet and the outer mold are coupled by fasteners(136), and the inside of the pallet and the inner mold are coupled by fasteners. An assembling method of a manhole block manufacturing apparatus comprises the steps of assembling an outer mold with plural mold frames by coupling sub mold frames of an outer mold, forming an outer mold by connecting plural mold frames with connectors, forming an inner mold by connecting plural mold frames with connectors, coupling the inner mold to a pallet and coupling the outer mold to the pallet, coupling a mold for inverter formation(150) on the upper part of the inner mold using fasteners, and coupling a mold for port formation(140) on the outer mold. A manufacturing method of a manhole block comprises the steps of inputting concrete mixture in a shaping space between an outer mold and an inner mold, shaping a manhole block on the upper part of the shaping space between the outer mold and the inner mold using the manhole block manufacturing apparatus, hardening the shaped manhole block at the appointed temperature or naturally, overturning the shaped manhole block and the manhole block manufacturing apparatus, separating the outer mold and separating the pallet and the inner mold from the manhole block.

Description

Manufacture device for a manhole block, assembling method for the same equipment, manufacturing method for a manhole block, and manhole block using the same method}

1 is an exploded perspective view showing a typical manhole block;

2 is a longitudinal sectional view showing a state in which the manhole block of FIG. 1 is coupled;

3 is a perspective view showing a manhole block manufacturing apparatus according to a first embodiment of the present invention;

4 is a cross-sectional view taken along line II of FIG. 3;

5 is a bottom view of FIG. 3;

Figure 6 is a perspective view showing a manhole block manufacturing apparatus according to a second embodiment of the present invention;

7 is a cross-sectional view taken along the line II-II of FIG. 6;

8 is a perspective view illustrating the spacer of FIG. 6;

<Description of Symbols for Major Parts of Drawings>

1: manhole block 10: top manhole block

11: manhole cover receiving portion 20: vertical sphere manhole block

23: spigot 25: socket

30: lower spherical manhole block 31: connection port

33: spigot 37: inverter

41, 42: sealing member 51: fastening nut

54: transfer bolt 110: outer mold

111, 112: mold frame 115: connecting means

116,117: fastening hole 119: filling member

120: inner mold 121, 122: mold frame

125: connecting means 130: pallet

135,136: fastening member 140: mold for forming a connection port

150: mold for forming an inverter 155: fastening member

161: fastening member 162: nut for fastening the connection member

170: support member 210: spacer

220: bottom plate 230: sealing member

225: fastening member 270: support member

The present invention relates to an apparatus for manufacturing a manhole block, a method for assembling thereof, a method for manufacturing a manhole block, and a manhole block manufactured by the same, and more particularly, an apparatus for manufacturing a manhole block, which improves quality and productivity by improving a structure thereof, An assembly method, a method of manufacturing a manhole block, and a manhole block manufactured thereby.

In various civil works, building works, and road works, sewage pipes for treating rainwater, sewage, and wastewater are required. The manhole block is installed in the middle of the sewer pipe for the purpose of inspection, cleaning, ventilation, ventilation, bonding, branching, etc. in the conduit.

The manufacturing method of manhole generally used is largely divided into the method of cast-in-place and the method of using a ready-made manhole block.

Currently, the field casting method that is widely used is to install the formwork in the place where the actual manhole block is installed, and to assemble the reinforcing bar, and then the concrete produced by mixing the predetermined materials is poured into the formwork and after the predetermined curing period, This is a method of manufacturing the manhole block by removing the.

However, the above-described site casting method has many problems. First, the manufactured manhole block has a problem in that it is difficult to completely block leakage due to the inability of connecting the inlet and outlet pipes to be precisely constructed, and to install the formwork at the site, thereby making it difficult to adjust the height of the manhole block. In addition, there is a problem in that the construction period is prolonged due to the need for curing period of the poured concrete, resulting in traffic jams, thereby increasing civil complaints. In addition, construction costs are also relatively high.

As an alternative to the on-site casting method, which has many problems as described above, a method of combining using a ready-made manhole block has been proposed, and a national standard (KS F 4012: sewage concrete manhole block) was enacted and revised in 1970. Over and over to the present.

Referring to Figures 1 and 2, the configuration of a general ready-made manhole block is as follows.

As shown in FIG. 1, the ready-made manhole block 1 has a connection port through which an inlet pipe and an outlet pipe can be connected, and is coupled to an upper portion of the lower sphere manhole block, the lower portion of which is blocked, and an upper portion and a lower portion thereof. The vertical spherical manhole block 20 is opened, and is provided on the upper portion of the vertical spherical manhole block 20, and comprises a top plate manhole block 10 having a manhole cover insert portion 11 into which the manhole cover is inserted. . And the sealing member (41, 42) for blocking the leakage is fitted to the site where each manhole block is assembled.

The ready-made manhole block 1 has spigots 23 and 33, which are fitting parts of the manhole blocks, or sockets 15 and 25, which are parts corresponding to the spigots when the manhole blocks are mutually coupled. Formed. First, a spigot 33 is formed at an upper portion of the lower spherical manhole block, and a socket 15 is formed at a lower portion of the upper manhole block 10. In addition, the vertical sphere manhole block 20 has a spigot 23 at the top and a socket 25 at the bottom, respectively.

By the spigots 23 and 33 and the sockets 15 and 25, the respective manhole blocks can be smoothly coupled and can withstand the external force in the transverse direction.

Meanwhile, although not shown, an inclined sphere manhole block may be further provided between the vertical sphere manhole block 20 and the upper plate manhole block 10 so as to narrow the upper tube diameter and sufficiently endure the load on the road surface.

And the transfer bolts (53, 54) that can transfer the molded manhole block is fastened to the fastening nut provided on the outer surface of the manhole block. 1 and 2 illustrate a form in which the transfer bolts 53 and 54 are fastened to the vertical spherical manhole block 20 and the lower spherical manhole block 30, respectively.

On the other hand, the lower spherical manhole block is provided with a plurality of connection ports for connecting the inlet pipe or outlet pipe.

In addition, an inverter 37 may be provided at an inner lower portion of the lower spherical manhole block 30, and the inverter serves to facilitate the flow of sewage in the manhole block and to prevent sedimentation. Perform. Such inverter is mainly provided in the manhole block for the treatment of sewage.

Among the ready-made manhole blocks, the general manufacturing apparatus of the lower spherical manhole block includes an outer mold having a bottom, and an inner mold installed at a position raised by the bottom thickness of the lower sphere in the outer mold. And a predetermined fixing device is installed so that the inner mold is positioned to be raised by a predetermined height in the outer mold.

It will be described a method of manufacturing the lower sphere manhole block through such a manufacturing apparatus.

First, the concrete produced by mixing a predetermined material in the molding space formed between the outer mold and the inner mold is introduced to the bottom thickness of the lower sphere manhole block, and the concrete is first cured, and then the outer wall of the lower sphere manhole block is formed. The concrete is put back into the space and cured again.

Here, curing refers to a process of curing the completed manhole block by a predetermined method, by the curing process to protect the concrete in a condition suitable for the hydration of the cement for a certain period of time to allow the concrete to harden.

After curing is completed, the inner mold and the outer mold are demolded, the fixed politics installed on the floor are removed, the fixing device is removed, and the remaining space is filled with concrete to complete the manufacture of the manhole block.

On the other hand, the concrete to be put into the molding space uses the wet concrete, the slump value, which is a value for measuring the degree of concrete dough is not "0".

However, the above-described conventional manhole block manufacturing method and the manhole block has the following problems.

First, a separate fixing device is required to raise the inner mold by a predetermined height in the outer mold, and after the demoulding, the remaining space from which the fixing device is removed needs to be filled with concrete again, which makes the manufacturing process complicated and the product is less dense. There was this.

Secondly, the bottom surface and the wall of the lower spherical manhole block could not be manufactured at one time, resulting in a long manufacturing time. In addition, when the bottom surface and the wall of the lower spherical manhole block were simultaneously manufactured by adding concrete at the same time, there was a problem in which the internal mold was caused to rise due to the buoyancy of the concrete which has not yet hardened.

Third, since the height of the outer mold or the inner mold should be changed according to the height of the lower spherical manhole block to be manufactured, there is a problem that the manufacturing cost of the mold increases because a full set of molds must be separately prepared according to the standard.

Fourth, there was a problem that it is impossible to form an inverter that must be installed in the manhole block for the treatment of sewage in order to facilitate the flow of sewage and to prevent sedimentation. Therefore, there was a hassle to install a separate inverter at the construction site.

Fifth, it was not easy to form a fastening nut, a connection port, etc. for fastening a spigot or a transport bolt, which must be essentially configured in the manhole block, with a conventional manhole block manufacturing apparatus.

Sixth, when using the method of inserting the connecting member in the manhole block to couple the manhole blocks to each other, the upper part of the lower spherical manhole block should be formed with a connecting member fastening hole for fastening with the connecting member, but it was not easy to install Even if it is possible to install even precise placement was difficult.

The present invention has been made to solve the above problems, an object of the present invention is to provide a manhole block and a manufacturing apparatus thereof is dense without a fixing device for fixing the inner mold in the outer mold.

Another object of the present invention is to provide a manhole block manufacturing apparatus that manufactures the bottom surface and the wall of the lower spherical manhole block at a time, the manufacturing time is short, and the manufacturing process is simple.

Still another object of the present invention is to provide a manhole block manufacturing apparatus capable of producing manhole blocks of various specifications and a manhole block manufacturing method using the same.

Still another object of the present invention is to provide a manhole block manufacturing apparatus capable of forming an inverter in a step of forming a manhole block and a manhole block manufacturing method using the same.

Still another object of the present invention is to provide a manhole block manufacturing apparatus and a manufacturing method using the same that can easily form a spigot, a fastening nut for fastening a transfer bolt, a connection port, and the like to a manhole block.

Still another object of the present invention is to provide a manhole block manufacturing apparatus and a manufacturing method using the same, which can easily form a connection member fastening hole for mutually coupling a manhole block by a connection member.

In order to achieve the above object, the present invention, in the manhole block manufacturing apparatus for molding the manhole block is put concrete, the outer mold for forming the outer shape of the manhole block; The present invention provides a manhole block manufacturing apparatus including an inner mold forming an inner space of the manhole block, and having a structure in which a bottom surface of the manhole block is formed at an upper portion of a molding space formed by the outer mold and the inner mold.

And the manhole block manufacturing apparatus is preferably provided with a pallet (pallet) connecting the outer mold and the inner mold. In addition, the pallet is more preferably formed in a predetermined step corresponding to the shape of the spigot which is a part to be fitted during the mutual coupling of the manhole block to be formed.

On the other hand, it is preferable that the manhole block manufacturing apparatus is provided with a mold for forming an inverter, which is provided inside the outer mold and forms an inverter for smoothing the flow of sewage in the manhole block and preventing deposition of dirt. . Further, the mold for forming the inverter is provided on the upper portion of the inner mold, it is more preferably coupled to the inner mold by a predetermined connection device.

In addition, the manhole block manufacturing apparatus is preferably provided with at least one mold for forming a connection port detachably coupled to the inside of the outer mold by a predetermined fastening member, to form a connection port in the manhole block. Do. In the outer mold, one or more fastening holes may be arranged at predetermined intervals so that the mold for forming the connection hole can be fastened to the outer mold by a fastening member.

On the other hand, the inner side of the outer mold, a fastening nut is provided to be coupled to the bolt that can transport the molded manhole block, the fastening nut is embedded in the manhole block is formed integrally formed with the manhole block It is desirable to be. In the outer mold, it is more preferable that at least one fastening hole is arranged at a predetermined interval so that the fastening nut can be fastened to the outer mold by a fastening member.

In addition, it is preferable that a filling member filling the main body of the manufacturing mold is coupled to the fastening hole which is not fastened by the fastening member. In addition, the pallet is provided with a connection member fastening nut for fastening a predetermined connection member to the molded manhole block, the connection member fastening nut is embedded in the manhole block to be formed integrally formed with the manhole block More preferably.

On the other hand, the outer mold, it is preferable that a plurality of mold frames are assembled by a predetermined connecting means.

According to the first embodiment of the present invention, the inner mold is formed by assembling a plurality of mold frames by predetermined connection means. And it is preferable that the support member which supports the said pallet is provided in the lower part of the said pallet.

According to a second embodiment of the present invention, the inner mold is formed to extend further downwardly through the pallet to change the relative position of the inner mold relative to the pallet. And a spacer provided between the pallet and a lower end of the inner mold to fix a relative position of the inner mold with respect to the pallet.

In addition, it is preferable that a sealing member is provided between the pallet and the spacer to prevent the concrete from flowing out between the pallet and the inner mold penetrating the pallet. And the inner peripheral surface of the spacer is more preferably in contact with the outer peripheral surface of the inner mold extending further downward through the pallet.

On the other hand it is preferably configured to include a bottom plate connected to the lower end of the inner mold, and supporting the inner mold and the spacer. And it is more preferable that the support member for supporting the bottom plate is provided below the bottom plate.

Assembly method of the manhole block manufacturing apparatus according to the present invention, the inner mold coupling step of coupling the inner mold to form the inner space of the manhole block on the pallet; An outer mold coupling step of coupling an outer mold forming an outer shape of the manhole block to the pallet; The upper part of the inner mold, it is configured to include a step for coupling the mold for forming the inverter to smooth the flow of sewage in the manhole block and prevent the deposition of dirt.

And coupling at least one mold for forming a connector to the outer mold by a fastening member to form a connector in the manhole block.

Manhole block manufacturing method according to the present invention, the concrete input step of injecting the concrete produced by mixing a predetermined material into the space formed by the inner mold and the outer mold; A manhole block forming step of forming a manhole block by a manhole block manufacturing apparatus having a structure in which a bottom surface of a manhole block is formed at an upper portion of a forming space formed by the outer mold and the inner mold; Curing step of curing the completed manhole block to a predetermined strength; And, it comprises a demolding step of separating the curing the completed manhole block and the manufacturing mold.

Manhole block according to the present invention, and a concrete input step of injecting the concrete produced by mixing a predetermined material into the space formed by the inner mold and the outer mold; A manhole block forming step of forming a manhole block by a manhole block manufacturing apparatus having a structure in which a bottom surface of a manhole block is formed at an upper portion of a forming space formed by the outer mold and the inner mold; Curing step of curing the completed manhole block to a predetermined strength; Then, the curing is completed through a demolding step of separating the completed manhole block from the manufacturing mold.

And the manhole block, it is preferable that the spigot (spigot) that is a portion that is fitted when the mutual coupling of the manhole block is formed. In addition, the manhole block, it is more preferable that the fastening nut for coupling the bolt that can transport the molded manhole block is integrally coupled therein.

On the other hand, it is preferable that at least one connection port is formed in the manhole block.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be specifically realized are described with reference to the accompanying drawings. In the description of this embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted.

The present invention mainly provides a manufacturing apparatus, an assembly method thereof, and a manufacturing method using the manufacturing apparatus for the lower spherical manhole block.

Referring to Figures 3 to 5, the first embodiment of the manhole block manufacturing apparatus according to the present invention will be described.

3 is a perspective view illustrating a manhole block manufacturing apparatus according to the present embodiment, FIG. 4 is a sectional view taken along line II of FIG. 3, and FIG. 5 is a bottom view of FIG. 3.

The apparatus for manufacturing a manhole block according to the present embodiment basically includes an outer mold 110, an inner mold 120, and a pallet 130.

The outer mold 110 is a component forming the outer shape of the manhole block, the outer shape of the manhole block is determined according to the shape of the outer mold 110.

The cross section of the manhole block is generally made of a hollow circle, but may have various cross-sectional shapes, such as a quadrangle, a square with four corners, and a quadrangle groove formed at four corners.

Therefore, the shape of the outer mold 110 forming the outer shape of the manhole block may also be formed as a quadrangle, a square chamfered at four corners, a quadrangular groove formed at four corners, and the like, according to a desired shape of the manhole block.

In the present embodiment, in order to manufacture a manhole block having a rectangular shape in which a square groove is formed at four corners, which is generally used for a lower spherical manhole block, a square groove at four corners of the cross section of the outer mold 110. It will be exemplified that the formed rectangular shape.

On the other hand, in the present embodiment, a plurality of mold frames 111 and 112 are assembled by a predetermined connecting means so that the outer mold 110 can form a manhole block of various heights. The connecting means 115 may be formed by, for example, inserting a bolt into a fastening hole provided in the mold frame and tightening it with a nut.

Through such a configuration, even if the plurality of external molds 110 according to the standard are not provided, a plurality of mold frames 131 and 132 may be appropriately combined to produce manhole blocks having various standards.

In addition, the mold frame 111, 112 of the outer mold is composed of a plurality of sub-mold frame (111a, 111b, 112a, 112b) each divided vertically to form a structure that can be combined and disassembled. In the present embodiment, the mold frame 112 located at the upper portion is composed of two sub mold frames 112a and 112b, and the mold frame 111 positioned at the lower portion is also formed of two sub mold frames 111a and 111b. .

By forming the outer mold 110 by the combination of a plurality of vertically divided sub-mold frames 111a, 111b, 112a, and 112b, the molded manhole block and the outer mold 110 are easily separated and demolded. To make it smooth.

The inner mold 120 is provided inside the outer mold 110 to form an inner space of the manhole block.

Since the inner cross-section of the manhole block to be formed may be circular or square, the inner mold 120 has a shape corresponding thereto.

In this embodiment, to form a manhole block having a circular cross section of the inner space, the cross-sectional view of the inner mold 120 is made of a circular corresponding to this.

The inner mold 120 also has a form in which a plurality of mold frames 121 and 122 are assembled by a predetermined connecting means 125 as in the case of the outer mold 110 described above.

Through this configuration, the depth of the inner space of the manhole block can be produced in various forms, and even if not provided with a plurality of inner mold 120, by appropriately combining a plurality of mold frames 121, 122, manhole blocks of various depths Can produce

On the other hand, the outer mold 110 and the inner mold 120 is made upside down shape, forming the bottom surface of the manhole block in the upper portion of the molding space formed by the outer mold 110 and the inner mold 120 It consists of a structure.

Therefore, as in the prior art, there is no need for a separate fixing device for fixing the inner mold 120 to a position raised by a predetermined height in the outer mold 110. In addition, after demolding the outer mold 110 and the inner mold 120, there is no hassle of filling concrete in the remaining space while removing the fixing device, and the product structure becomes dense because the manhole block is integrally formed.

In addition, in the conventional manufacturing mold to solve the problem that the inner mold 120 rises due to the buoyancy of the concrete, it is possible to manufacture the bottom surface and the wall of the lower sphere manhole block at once.

The pallet 130 is coupled to the outer mold 110 and the inner mold 120, and serves to connect the outer mold 110 and the inner mold 120. In the present embodiment, the outer side and the outer mold 110 of the pallet 130 is coupled by the fastening member 136, the inner and inner mold 120 of the pallet 130 to the fastening member 135 Are combined by.

On the other hand, the pallet 130 to form a spigot 33, which is a part to be fitted at the time of mutual coupling of the manhole block to be formed, it is made of a predetermined step corresponding to the shape. The spigot 33 of the lower spherical manhole block formed by this configuration is made to correspond to the shape of the socket 25 of the vertical spherical manhole block 20 coupled to the lower spherical body.

The lower portion of the pallet 130, the support member 170 for supporting the pallet 130 is provided, so that the lower portion of the pallet 130 does not directly touch the floor.

By the support member 170, it is possible to easily transport with a forklift when moving the manhole block manufacturing apparatus is completed.

On the other hand, the manhole block manufacturing apparatus may be further provided with a connecting die forming mold 140 or a fastening nut 52 and a connection member fastening nut 162 as necessary.

The connection hole forming mold 140 is detachably coupled to the outer mold 110 by a predetermined fastening member 141 to allow the connection hole 31 to be formed in the manhole block, and at least one die. The above may be arranged.

As described above, the lower spherical manhole block 30 is formed with a connection hole 31 to which the inlet pipe or the outlet pipe is connected, and the connection hole 31 is formed in the manhole block through the connection hole forming mold 140. .

In addition, the outer mold 110 is provided with a fastening hole 116 to allow the connector 140 to be coupled to the outer mold 110 by a fastening member at predetermined intervals. 3 illustrates a shape in which the fastening holes 116 are disposed at four intervals on the outer mold 110 at regular intervals in the vertical direction.

On the other hand, the filling member 119 is coupled to the fastening hole 116 to which the connection hole forming mold 140 is not fastened. For example, the filling member 119 may have a wrench bolt applied thereto.

The fastening nut 52 is a component that allows the fastening bolt 54 to be coupled for the transport of the molded manhole block, the fastening nut 52 is the desired of the outer mold 110 It is embedded in the manhole block formed at the position and formed integrally with the manhole block.

The transfer bolt 54 is specifically used for transfer, loading, unloading, construction, etc., and it is common to use an eye bolt as shown in FIGS. 1 and 2.

That is, unlike the other mold, the fastening nut 52 is integrally formed inside the manhole block to be molded. In addition, at least one fastening hole 117 is disposed in the outer mold 110 to allow the fastening nut 52 to be fastened to the outer mold by a fastening member. Therefore, it is possible to couple the transport bolt 54 to various positions of the manhole block to be formed by fastening the fastening nut 52 to the fastening hole 117 corresponding to the position where the transport bolt 54 is fastened.

The fastening nut has to be adapted to the arrangement of the conveying bolts 54 in the manhole block to be formed, and is preferably arranged at the same height and at opposite positions to each other.

On the other hand, since the fastening nut is a component that is coupled to the transfer bolt 54, the fastening member for coupling the fastening nut 52 to the outer mold 110 is a thread of the same dimensions as the transfer bolt 54. Should have Therefore, it is desirable to use the feed bolt 54 itself as a fastening member to couple the fastening nut to the manufacturing mold body.

In addition, the filling member 119 is coupled to the fastening hole 117 that is not fastened with the fastening nut 52 among the fastening holes 117 as in the case of the connection hole forming mold 140.

On the other hand, the fastening hole 116 for fastening the connection hole forming mold 140 and the fastening hole 117 for fastening the fastening nut 52 may be used interchangeably. In this embodiment, two types of fastening holes 116 and 117 are not used separately from one another, but fastening holes are arranged on four surfaces at regular intervals in the vertical direction, and a fastening nut or a connection die forming mold (if necessary) 140) is configured to be fastened.

The inverter forming mold 150 is provided in the outer mold 110 to form an inverter 37 in the manhole block. The inverter 37 serves to smooth the flow of sewage in the manhole block and prevent deposition of dirt.

On the other hand, when the inverter 37 is to be formed in the manhole block to be formed, the inverter forming die 150 is provided in the outer mold. In more detail, the inverter forming mold 150 is provided on the inner mold 120, and is configured to be integrally coupled with the inner mold 120 by the fastening member 155 to form an inverter of the manhole block. (37) is easily formed.

The inverter 37 of the manhole block may have a variety of shapes, such as (-), (+), (T), (Y), if necessary, the mold for forming the inverter 150 is required It may be configured to correspond to the inverter 37 of the shape.

However, when the inverter 37 does not need to be formed according to the purpose of the manhole block, the inverter forming mold 150 may be omitted in the manhole block manufacturing apparatus.

And the pallet 130 is provided with a connection member fastening nut 162 to fasten a predetermined connection member to the molded manhole block, the connection member fastening nut 162 is embedded in the manhole block is molded It is preferably formed integrally with the manhole block.

6 to 8, a second embodiment of the manhole block manufacturing apparatus according to the present invention will be described.

6 is a perspective view illustrating a manhole block manufacturing apparatus according to the present embodiment, FIG. 7 is a cross-sectional view taken along the line II-II of FIG. 6, and FIG. 8 is a perspective view illustrating the spacer of FIG. 6.

The basic configuration of this embodiment is the same as that of the first embodiment described above. However, in the present embodiment, the inner mold 120 is formed in the outer mold 110 and extends further below the pallet 130 through the pallet 130.

The above configuration will be described in more detail as follows.

In the present embodiment, as shown in FIG. 7, the inner mold 120 extends further downward from the pallet 130 through the pallet 130, thereby forming an inner mold (for the pallet 130). The relative position of 120). As such, by changing the relative position of the inner mold 120, it is possible to adjust the height of the inner mold 120 in the outer mold 110, resulting in easy adjustment of the height of the inner space of the manhole block is formed. Will be.

Since the height of the manhole block inner space is determined to include the height of the inverter 37, even if the height of the manhole block inner space is the same, the height of the inner mold 120 is changed according to the specifications of the inverter 37 is installed.

For example, assuming that the height of the inner space of the manhole block is 1000 mm, assuming that the vertical length of the inverter 37 is 300 mm according to the specification of the inverter 37, the height of the inner mold 120 is 700 It should be mm. However, when the size of the inverter 37 is 500 mm, 700 mm, the height of the inner mold 120 should be changed to 500 mm, 300 mm, respectively.

As described above, the height of the inner mold 120 should be changed according to the size of the inverter 37 to be installed. In this embodiment, the length of the inner mold 120 is sufficiently long than the height of the inner space of the manhole block. Fabrication, by changing the relative position of the inner mold 120 relative to the pallet 130 to change the height of the inner mold 120 in the outer mold 110 to facilitate the height of the interior space of the manhole block that is formed as a result It is configured to be adjustable.

As described above, in this embodiment, the relative position of the inner mold 120 with respect to the pallet 130 can be changed, so that the manhole is formed even if the inner mold 120 is not made by the combination of a plurality of mold frames The height of the inner space of the block can be easily adjusted.

On the other hand, it is also possible to adjust the height between the inverter of the lower sphere manhole block and the lower surface of the lower sphere manhole block by introducing concrete less than the height of the outer mold. That is, by adjusting the input amount of concrete within the height of the outer mold, it is possible to adjust the height of the manhole block.

In addition, the manhole block manufacturing apparatus may further include a spacer 210 between the pallet 130 and the lower end of the inner mold 120.

The spacer 210 serves to fix the relative position of the inner mold 120 with respect to the pallet 130, and by having spacers 210 of various heights, the inner mold in the outer mold 110. 120, the height can be easily changed.

And the pallet 130 is provided with a connection member fastening nut 162 to fasten a predetermined connection member to the molded manhole block, the connection member fastening nut 162 is embedded in the manhole block is molded It is preferably formed integrally with the manhole block.

Meanwhile, as shown in FIG. 8, a fastening member hole 215 is disposed on the spacer 210 to avoid interference with the fastening member 161 for fastening the connection member fastening nut 162 to the pallet 130. Is formed.

In addition, the sealing member 230 may be provided between the pallet 130 and the spacer 210. The sealing member 230 may be formed, for example, in the form of an O-ring, and the concrete is discharged to the outside between the pallet 130 and the inner mold 120 by the sealing member 230. It can prevent.

Although there is no limitation on the material of the sealing member 230, it is preferable that the rubber material is excellent in elasticity to effectively prevent the outflow of concrete.

The inner circumferential surface of the spacer 210 is configured to contact the outer circumferential surface of the portion of the inner mold 120 which extends further downward through the pallet 130, so that the inner mold 120 is formed by the spacer 210. It is desirable to be able to be supported more effectively.

Meanwhile, the bottom plate 220 is connected to the lower end of the inner mold 120 by the fastening member 225 to support the inner mold 120 and the spacer 210. And a lower portion of the bottom plate 220 is provided with a support member 270 for supporting the bottom plate 220, so that the bottom plate 220 does not directly touch the floor.

By the support member 270, it is possible to easily transport with a forklift when moving the manhole block manufacturing apparatus is completed.

Referring to the assembly method of the manhole block manufacturing apparatus as follows.

First, the outer mold 110 is assembled into a plurality of mold frames by combining the sub mold frames of the outer mold 110. Then, the plurality of mold frames are connected by connecting means to form the outer mold 110. The inner mold 120 is also formed by connecting a plurality of mold frames by the connecting means like the outer mold 110. However, as in the case of the second embodiment of the manhole block manufacturing apparatus described above, when the inner mold 120 is formed of one frame, the step of connecting a plurality of frames is omitted.

The inner mold 120 is coupled to the pallet 130, and then the outer mold 110 is coupled to the pallet 130.

Next, the inverter forming mold 150 is integrally coupled to the upper part of the inner mold 120 by using a predetermined fastening member.

Then, the assembly of the manhole block manufacturing apparatus is completed by coupling the mold 140 for forming the manhole block to the outer mold 110.

Referring to the method of manufacturing the manhole block using the manhole block manufacturing apparatus as follows.

The manhole block manufacturing method is subjected to concrete input step, manhole block forming step, curing step, demolding step.

The concrete input step is a step of injecting the concrete produced by mixing a predetermined material into the manufacturing mold. That is, concrete is introduced into the molding space formed between the outer mold 110 and the inner mold 120.

At this time, it is preferable to pour the concrete while crushing the concrete using a predetermined vibrator in order to inject the concrete precisely.

As the concrete, in consideration of installation conditions or required strength, concrete of various components, such as polymer concrete, cement mortar, and permeable concrete, may be used in addition to general concrete as necessary. In addition, it is also possible to manufacture a manhole block using a material that can be replaced in addition to concrete.

The manhole block forming step is a step of forming a manhole block by a manhole block manufacturing apparatus having a structure in which the bottom surface of the manhole block is formed on the upper part of the molding space formed by the outer mold and the inner mold.

The curing step is a step of curing the molded manhole block by a predetermined method. The curing step may be accomplished by a planned temperature schedule or may be in a natural state. In general, the concrete curing is the work to protect the concrete to a condition suitable for the hydration of the cement for a certain period of time to harden the concrete. Conditions suitable for curing are to maintain the proper temperature and humidity, to protect against external shock and sinking, and to maintain the same conditions throughout the curing period.

The demolding step is to separate the mold and the product from which curing has been completed, and is performed in the following order.

First, the molded manhole block and the manhole block manufacturing apparatus are reversed. That is, the pallet 130 is upside down so that the pallet 130 is positioned upward. At this time, forklift or crane can be used for rotation.

Next, the outer mold 110 is dismantled, and the pallet and the inner mold 120 are dismantled from the manhole block. Next, the mold release is completed by separating the invert forming die and the connection hole forming die 140 from the manhole blocks that are sequentially formed.

However, unlike the above-described demoulding sequence, by inserting the annular rebar for demoulding the product in advance, by lifting the annular reinforcing bar formed integrally with the outer mold 110 and the inner mold 120 without vertical rotation of the mold. It is also possible to perform demolding.

As described above, the preferred embodiments of the present invention have been described, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope thereof has ordinary skill in the art. It is obvious to them.

Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

The manufacturing apparatus of the manhole block according to the present invention described above, an assembly method thereof, a manufacturing method of the manhole block, and the effects of the manhole block manufactured thereby will be described.

First, since the bottom surface of the manhole block is molded at the upper part of the molding space formed by the outer mold and the inner mold, there is no need for a fixing device for fixing the inner mold in the outer mold and demolding the outer mold and the inner mold. After removing the fixing device, the hassle of filling concrete in the remaining space is eliminated, and since the manhole block is integrally formed, the product structure is compact.

Second, the bottom surface and the wall of the lower spherical manhole block can be manufactured at once, there is an advantage that the manufacturing time is reduced and productivity is improved.

Third, by combining the plurality of mold frames of the outer mold and the inner mold, it is possible to produce a manhole block of various specifications.

Fourth, there is an advantage that the inverter of the manhole block can be easily formed by coupling the mold for forming the inverter for forming the inverter of the manhole block to the inner mold.

Fifth, there is an advantage that can accurately manufacture the spigot of the manhole block.

Sixth, there is an advantage that can easily form a fastening nut, connection port for fastening the transfer bolt to the manhole block.

Claims (27)

In the manhole block manufacturing apparatus for molding the manhole block is injected into the concrete, An outer mold forming an outer shape of the manhole block; And, An inner mold forming an inner space of the manhole block; Manhole block manufacturing apparatus consisting of a structure in which the bottom surface of the manhole block is molded in the upper portion of the molding space formed by the outer mold and the inner mold. The method of claim 1, The manhole block manufacturing apparatus further comprises a pallet (pallet) for connecting the outer mold and the inner mold. The method of claim 2, The palette is The manhole block manufacturing apparatus, characterized in that the predetermined end is formed in a true shape corresponding to the shape of the spigot (pitgot) which is a part fitted during mutual coupling of the manhole block to be formed. The method of claim 1, In the manhole block manufacturing apparatus, Is provided inside the outer mold, the manhole block manufacturing apparatus, characterized in that the mold for forming the inverter to facilitate the flow of sewage in the manhole block and to form an inverter (inverter) to prevent the deposition of dirt. The method of claim 4, wherein The mold for forming the inverter, The upper mold is provided on the inner mold, the manhole block manufacturing apparatus, characterized in that coupled to the inner mold integrally by a predetermined connection device. The method of claim 1, The manhole block manufacturing apparatus, Removably coupled to the inside of the outer mold by a predetermined fastening member, the manhole block manufacturing apparatus characterized in that the at least one mold for forming the connection hole is further provided to form a connection port in the manhole block. The method of claim 6, The outer mold, Manhole block manufacturing apparatus, characterized in that one or more fastening holes are arranged at a predetermined interval so that the mold for forming the connector can be fastened to the outer mold by a fastening member. The method of claim 1, Inside the outer mold, The fastening nut is provided to allow the bolt to transfer the molded manhole block is provided, the fastening nut is embedded in the manhole block to be formed is manhole block manufacturing, characterized in that formed integrally with the manhole block Device. The method of claim 8, The outer mold, At least one fastening hole for the fastening nut is fastened to the outer mold by a fastening member is characterized in that the manhole block manufacturing apparatus, characterized in that arranged at a predetermined interval. The method according to claim 7 or 9, Manhole block manufacturing apparatus characterized in that the filling member for filling the manufacturing mold body is coupled to the fastening hole which is not fastened by the fastening member of the fastening hole. The method of claim 2, In the palette, A connecting member fastening nut is provided to allow a predetermined connection member to be fastened to the molded manhole block, and the connection member fastening nut is embedded in the manhole block to be molded and formed integrally with the manhole block. Manhole block manufacturing device. The method of claim 1, The outer mold, Manhole block manufacturing apparatus, characterized in that the plurality of mold frame is assembled by a predetermined connecting means. The method of claim 1, The inner mold, Manhole block manufacturing apparatus, characterized in that the plurality of mold frame is assembled by a predetermined connecting means. The method of claim 2, At the bottom of the pallet, Manhole block manufacturing apparatus characterized in that the support member for supporting the pallet is further provided. The method of claim 2, The inner mold penetrates the pallet and extends further downward than the pallet, and is configured to change a relative position of the inner mold relative to the pallet. The method of claim 15, And a spacer provided between the pallet and a lower end of the inner mold to fix a relative position of the inner mold with respect to the pallet. The method of claim 16, Sealing member is provided between the pallet and the spacer, the manhole block manufacturing apparatus, characterized in that to prevent the concrete outflow between the pallet and the inner mold penetrating the pallet. The method of claim 16, The inner circumferential surface of the spacer is in contact with the outer circumferential surface of the inner mold further extended to the lower through the pallet manhole block manufacturing apparatus. The method of claim 16, Manhole block manufacturing apparatus is connected to the lower end of the inner mold, further comprising a bottom plate for supporting the inner mold and the spacer. The method of claim 19, At the bottom of the bottom plate, Manhole block manufacturing apparatus characterized in that the support member for supporting the bottom plate is further provided. An inner mold joining step of joining an inner mold forming an inner space of the manhole block on a pallet; An outer mold coupling step of coupling an outer mold forming an outer shape of the manhole block to the pallet; And, And coupling an inverter forming mold to an upper portion of the inner mold to form an inverter for smoothing the flow of sewage in the manhole block and preventing deposition of dirt. The method of claim 21, And assembling at least one or more connection forming dies to the outer mold by a fastening member to enable the connection hole to be formed in the manhole block. Concrete input step of injecting the concrete produced by mixing a predetermined material into the space formed by the outer mold and the inner mold; A manhole block forming step of forming a manhole block by a manhole block manufacturing apparatus having a structure in which a bottom surface of a manhole block is formed at an upper portion of a forming space formed by the outer mold and the inner mold; Curing step of curing the completed manhole block to a predetermined strength; And, Manhole block manufacturing method comprising a demolding step of separating the curing of the completed manhole block and the manufacturing mold. A concrete input step of injecting concrete generated by mixing predetermined materials into a space formed by the inner mold and the outer mold; A manhole block forming step of forming a manhole block by a manhole block manufacturing apparatus having a structure in which a bottom surface of a manhole block is formed at an upper portion of a forming space formed by the outer mold and the inner mold; Curing step of curing the completed manhole block to a predetermined strength; And, A manhole block manufactured through a demolding step of separating the curing manhole block from the manufacturing mold. The method of claim 24, The manhole block, One side of the manhole block characterized in that the spigot (spigot) which is a part that is fitted during mutual coupling of the manhole block is formed. The method of claim 24, The manhole block, Manhole block, characterized in that the fastening nut for coupling the bolt that can transport the molded manhole block is integrally coupled therein. The method of claim 24, The manhole block, Manhole block, characterized in that at least one connection port is formed.

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