KR101330998B1 - Manufactoring apparatus for monolithic connecting pipe of manhole - Google Patents

Abstract

The present invention relates to a manhole integrated connection pipe manhole and its manufacturing apparatus, the manhole is the upper sphere (10); Vertical sphere 20; And a lower sphere 30; and the connection pipe 40 is fixedly coupled to the outer circumference of the lower sphere 20 integrally. In addition, the manufacturing apparatus of the manhole forms an inner wall of the manhole lower sphere, the inner wall mold 50 having an inverter protrusion 52 for forming the inverter at the bottom; And an outer wall mold 60 positioned outside the inner wall mold 50 to form an outer wall of the lower sphere 30, wherein the outer wall mold 60 is connected to the outer wall mold 60. A connection tube hole 65 for insertion is formed, and the connection tube hole 65 is provided with a connection tube protrusion 66 protruding outward. Accordingly, the manhole manufacturing cost can be reduced and various types of manholes can be manufactured.

Description

Manufactoring apparatus for monolithic connecting pipe of manhole}

The present invention relates to a manhole manufacturing apparatus integrated with a means connecting pipe connection tube, and more particularly, to a manhole manufacturing apparatus produced by the injection of concrete in a state in which a means connecting pipe connecting tube is inserted.

The manhole is a facility installed underground to allow people to enter and exit. The manhole is connected to a water supply pipe for supplying sewage, living water, or industrial water, or a water pipe such as an electric or communication line, and the manhole is a water pipe. It is installed every certain length with the gap between. That is, the water pipe is to be installed for the connection between the manhole, the lower portion of the manhole is formed with one or more connecting grooves that can be connected to the water pipe.

In the past, manhole-shaped formwork was installed at the site and concrete mansion was constructed.However, due to the delay of air curing and the limitation of the connection between the support pipe and the manhole, the manhole is formed into an upper sphere, a vertical sphere and a lower sphere. After the production of a separate form of assembling each sphere in the field has been gradually commercialized.

In general, the connecting means tube is connected to the outer circumference of the lower sphere, in order to facilitate the connection of the manhole and the supporting means pipe during construction, an intermediate connection connecting tube is provided on the outer peripheral surface of the lower sphere.

Patent Application No. 20-0394004 (Registration Date: 2005.08.19.) Filed by the present applicant in a manner of fixing the connection tube to the lower sphere, and Figure 1a is a bracket on the outer peripheral surface of the manhole according to the prior art It is an exploded perspective view which shows what is provided. As shown in FIG. 1A, after the concrete molding is formed such that a fastener 2a is formed around the connection pipe hole 2 and the connection pipe hole 2 on one surface of the outer circumferential surface, the connection connection is performed using a bracket 3. Secure the tube (1).

As another conventional technique for fixing the connecting tube 1 to the connecting tube hole 2, a registration application No. 10-0728309 (registration date: 2007.06.07.) Is disclosed, Figure 1b is a prior art It is an exploded perspective view showing that the bracket is buried in the manhole. As shown in FIG. 1B, a molding process is performed in a state in which a buried bracket 3a for connecting and fixing the connection connector hole 2 to the connection connector 1 is embedded in the connection connector hole 2.

The prior art has an advantage that the connection can be easily and precisely constructed by connecting the connecting means (1) is provided with a separate connection connecting pipe (1) compared to the conventional formwork. However, the prior art requires that the brackets 3 and 3a be separately provided, which causes additional costs such as mold making costs according to the manufacture of the brackets 3 and 3a. In addition, there is a problem in that the manhole wall 3b in the surroundings becomes thinner and the strength of the manhole becomes weak due to the property that the investment bracket 3a is buried in the connection pipe hole 2.

KR 20-0394004 Y1 2005.08.19. KR 10-0728309 B1 2007.06.07.

The present invention has been made to solve the problems of the prior art, according to the present invention, the connecting means is buried in the manhole directly connected to the manhole without a separate connecting member such as a bracket integrated manhole and various connection connection diameter An object of the present invention is to provide a manufacturing apparatus capable of manufacturing a manhole integrated with a tube connecting connector having an inverter.

The manhole of the present invention for achieving the above object is composed of an upper sphere, a vertical sphere and a lower sphere, the support means tube connecting connection is fixedly integrally coupled to the outer circumference of the lower sphere, the connection connecting tube of the lower sphere It is formed to communicate with the inverter formed on the lower, characterized in that the stepped and the sealing groove is formed on the upper and lower surfaces of the upper sphere, the vertical sphere and the lower sphere.

On the other hand, the mandrel of the manhole manufacturing apparatus integrated connection pipe connecting pipe of the present invention forms an inner wall of the manhole lower sphere, the inner wall mold and the inner wall mold provided with an inverter protrusion for forming the inverter at the lower end to the outside Located in the outer wall mold for forming the outer wall of the manhole lower sphere, the outer wall mold is formed with a connection tube hole for insertion of the connection tube, the connection tube hole is connected to the connector connecting to the outside It is characterized in that the protrusion is provided.

In addition, the connection connector hole of the present invention is connected to the connection tube is inserted and fixed, the outer surface of the connection tube is further provided with a water-tight ring for preventing leakage, the connection connection tube for connecting with the inverter projection of the inner wall mold An end portion of the inner wall fitting member for smoothly contacting the protrusions for the inverter is characterized in that it is further provided.

In addition, the inner circumferential surface of the connection connecting tube protrusion of the present invention is further provided with a connection connecting tube support member, the length of the connection connecting tube protrusion is characterized in that it has a length of 1 to 1.5 times the thickness of the side wall of the lower sphere.

In the case of using the one-way manganese tube connection connection tube integrated manhole according to the present invention, a separate process for fixing the connection connection tube insertion during construction is omitted, it is possible to perform a quick construction and to reduce the cost of manufacturing the manhole.

In addition, in the case of using the manufacturing means of the mandrel pipe connection tube integrated manhole according to the present invention, it is possible to block the leakage occurring between the connection pipe and the connection hole of the manhole.

In addition, according to the manufacturing apparatus of the manhole tube connecting connection tube integrated manhole of the present invention, by using the inner wall fitting member to be in close contact with the circumferential surface of the mold for the inner wall, it is possible to easily cope with the manufacture of a manhole having a large inner diameter.

In addition, according to the manufacturing device of the manhole tube connecting connection tube integrated manhole of the present invention, by providing a demolding means inside the inner wall fitting member can be easily demolded of the inner wall fitting member after curing the concrete.

Figure 1a is an exploded perspective view showing that the bracket is provided on the outer peripheral surface of the manhole according to the prior art.
Figure 1b is an exploded perspective view showing that the bracket is buried in the manhole according to the prior art.
Figure 2 is an exploded cross-sectional view showing a manhole pipe connecting tube integrated manhole according to the present invention.
Figure 3 is a perspective view showing a lower portion of the mandrel pipe connection tube integrated manhole according to the present invention.
Figure 4 is an exploded perspective view of the lower sphere mold of the manipulator tube integrated manhole manufacturing apparatus according to the present invention.
Figure 5 is an exploded perspective view showing a connection tube of the manhole manufacturing apparatus integrated connection pipe integrated connection pipe according to the present invention.
Figure 6 is an exploded perspective view showing an embodiment of the manipulator tube connecting connector integrated manhole manufacturing apparatus according to the present invention.
Figure 7 is a state diagram showing the manipulators for manipulators integrated connection pipe connecting means according to the invention.

Hereinafter will be described in more detail with reference to the accompanying drawings, the manipulator tube connecting manipulator and its manufacturing apparatus according to the present invention.

Figure 2 is an exploded cross-sectional view of the manhole tube connecting connector integrated manhole according to the present invention. As shown in FIG. 2, the integral manhole of the present invention consists of an upper sphere 10, a vertical sphere 20 and a lower sphere 30, with corresponding assembly surfaces 12, 21, 22, 31 of each sphere. ) Are fixed to each other to complete one manhole.

The assembling surfaces 12, 21, 22, and 31 are formed with interlocking jaws 23 and sealing grooves 24, and the inclined surfaces 23a are formed on the stepping walls 23 so that each sphere in the field is formed. To be easily assembled. The sealing groove 24 is for inserting and fixing a sealing member 25, such as a rubber ring, the sealing member 25 for preventing leakage between the assembly surface (12, 21, 22, 31) of each sphere will be.

The upper surface of the vertical sphere 20 and the lower sphere 30 is buried and fixed so that a part of the fastening bolt 36 protrudes, the fastening bolt 36 performs two functions. One is a lifting means, by fastening the eye bolt and the like to the fastening bolt 36, it is used during the lifting operation for the vertical assembly of each sphere. The other is a fixing means, which is used to fix each sphere with a nut 36a or the like so that the assembly is firmly maintained even if an external force acts on the circumferential surface of the manhole buried for various reasons such as ground subsidence. Since the fixing means is not required on the upper surface of the upper sphere 10, only the eyebolt fastening hole 18a necessary for the lifting operation is formed. In addition, a fastening bolt through hole 19 and a fastening space 19a are formed in the lower assembly surfaces 12 and 21 of the upper spherical body 10 and the vertical spherical body 20 for fixing the fastening bolt 36. In addition, the fastening bolts 36 are fixed to each sphere so that the deformed reinforcing bar 18 is connected to the fastening bolts 36 and fixed in a state buried in concrete. In this case, the deformed reinforcing bar 18 is to be buried in the concrete end in a ring shape, to be more firmly buried. In addition, a ladder (2) is provided on the inner wall of each sphere to facilitate the entry and exit of the operator, the ladder fixing hole (16) is formed on the inner wall of each sphere to fix the ladder (2) to the inner wall.

The upper sphere 10 is made so that the lower part is opened and the upper part is closed, but the upper part of the upper part is formed with a cap receiving groove 17 so that the manhole cover (3) is fixed, for fixing the manhole cover (3) A plurality of bolt fastening holes for bolt fastening are provided around the lid accommodating groove 17.

Since the vertical sphere 20 is a cylindrical upper and lower open, it is relatively easy to manufacture compared to the upper sphere 10 and the lower sphere 30, it can be manufactured to have a variety of height to adjust the height of the entire manhole. have.

Figure 3 is a perspective view of the lower sphere 30 of the mandrel pipe connection tube integrated manhole according to the present invention. As shown in Figures 2 and 3, the lower sphere 30 is made so that the upper portion is opened and the lower portion is formed with a closed bottom surface, at least two or more connection pipes (inlet and outlet) on the circumferential surface ( It is buried in the concrete with the 40) inserted. Although the bottom surface of the lower surface is flat, the connection tube 40 may be inserted and fixed to the circumferential surface, but in this case, the connection tube 40 is blocked by sedimentation such as dirt or sedimentation during heavy rain. Things can happen. In order to prevent this, an inverter 38 communicating with an external support means tube is formed, and an inclined surface 38a is formed between the inverter 38 and an inner wall of the lower sphere 30. In addition, since the branch tube is connected in various forms, such as a 'b' shape (a) or 'T' shape (b) in addition to the straight line from the manhole, the inverter 38 also needs to be provided in various forms for this connection. .

The connection connecting pipe 40 is mainly made of synthetic resin, when the construction site can be misaligned with the construction error when the manhole connecting the construction means, the connection connecting pipe 40 so that the connection is made while receiving the construction error ) Is preferably made of a flexible corrugated pipe. In addition, the connection pipe 40 made of fiber-reinforced plastics (FRP) capable of withstanding the water pressure when the connection with the support means pipe with high water pressure may be buried in the lower sphere (30).

Hereinafter will be described in detail with respect to the manufacturing apparatus of the manipulator tube connection connection tube integrated manhole according to the present invention. Figure 4 is an exploded perspective view of the lower concrete mold of the manipulator pipe integrated manhole manufacturing apparatus according to the present invention. As shown in Figures 2 and 4, the manufacturing apparatus is a cylindrical assembly consisting of the upper sphere 10, the vertical sphere 20 and the lower sphere 30, the mold of each sphere in common An inner wall mold 50 forming an inner shape of the manhole; An outer wall mold 60 forming an outer shape of the manhole; And a hollow flange 70 forming the assembling surfaces 12, 21, 22, and 31 of the manhole.

A bolt hole 71 is formed in the flange 70 to be fixed to the inner wall mold 50 or the outer wall mold 60, and a rebar portion 18 for fixing the fastening bolt 36 is inserted into the concrete. After curing, it can be fixed, and a shape 72 corresponding to the step 23 and the sealing groove 24 of the assembling surfaces 12, 21, 22, and 31 is formed. In addition, the inner circumferential surface of the inner wall mold 50 and the outer circumferential surface of the outer wall mold 60 are separated to separate the mold after the reinforcing rib 62 and concrete solidification so that the mold is not damaged or deformed by the weight of the injected concrete. 64 is provided. In addition, a plurality of bolt fastening holes 64a are formed on the separation surface 64 for assembly and disassembly. Particularly, in the case of the lower spherical mold to be described later, concrete is injected in a state in which the connection connecting pipe 40 is inserted, so that the separating surface 64 is formed in the vertical direction of the connecting connecting pipe protrusion 66, so that the external wall is solidified after concrete solidification. Allow the mold 60 to be separated from the lower sphere 30.

The upper surface of the upper concrete mold is provided with a lid receiving groove mold (not shown) for forming the lid receiving groove 17 of the manhole cover (3). In addition, since the vertical sphere mold determines the overall height of the manhole by adjusting the length of the vertical sphere 20 as described above, the vertical sphere mold of various lengths needs to be provided.

5 is an exploded perspective view showing the connection pipe 40 of the manhole manufacturing device integrated manipulator pipe connecting device according to the present invention. As shown in FIGS. 4 and 5, an inverter protrusion part 52 for forming an inverter 38 is formed under the inner wall mold 50 of the lower spherical mold. In addition, a connection connector hole 65 for inserting the connection connector 40 is formed in the outer wall mold 60 of the lower concrete mold, and the connection connector hole 65 has a connection connection projecting outward to a predetermined length. The tube projection 66 is provided. That is, since the connection pipe projection 66 has a predetermined length, even when the connection pipe 40 receives the buoyancy of the concrete in the concrete injection process, the connection pipe projection 66 receives the support of the connection pipe projection 66 40 and the inverter 38 can be accurately communicated. In order to have such a supporting function, the length L of the connection pipe projection 66 is preferably 1 to 1.5 times the distance between the inner wall and the outer wall, that is, the sidewall thickness of the manhole.

In order to buried the connecting tube 40 smaller than the diameter of the connecting tube hole 65, the outer tube is connected to the hollow tube-type connecting tube support member 70 of the same diameter as the inner diameter of the connecting tube hole 65 Insert 40 into the connection tube hole 65. This is to increase the versatility of the manufacturing apparatus according to the present invention by being able to manufacture a lower sphere 30 having a connection pipe 40 of various diameters with one lower sphere mold. The length of the connection pipe support member 70 is equal to the length of the connection pipe projection 66, so as to have a connection pipe 40 support function corresponding to the concrete buoyancy. In addition, a plurality of ribs 70a are formed on the outer circumferential surface of the connection pipe support member 70 so that the connection pipe support is reinforced. In addition, the connection pipe 40 is buried in the concrete portion to prevent the leakage between the connection pipe 40 and the concrete so that the water-tight ring 76 of the elastic material is inserted and fixed.

An inner wall fitting member 74 is inserted into the connection connecting tube 40 so that the cavity is continuous between the connection connecting tube 40 and the protrusion 52 for the inverter. The shape of the inner wall fitting member 74 is a plate. Is a cylindrically rolled shape, one end of which is formed of a curved surface 74a rounded to be in close contact with the circumferential surface of the inner wall mold 50. The inside of the inner wall fitting member 74 is provided with a demolding means (74b) to adjust the length, so that the diameter of the inner wall fitting member 74 rolled in a cylindrical shape can be adjusted. This increases the length of the demolding means 74b so that the outer circumferential surface of the inner wall fitting member 74 is in close contact with the inner circumferential surface of the connection connecting tube 40, and shortens the length after curing of the concrete to form the inner wall fitting member 74. This is to make it easy to demold.

Figure 6 is an exploded perspective view showing an embodiment of a manhole manufacturing apparatus integrated connection pipe connection connecting pipe according to the present invention. As shown in FIG. 6, the inner wall mold 50 allows the lower part thereof to be separated, and a protrusion for inverters such as 'a' shape (a) or 'T' shape (b) in addition to the straight line on the top. By allowing the 52 to be combined with the formed lower portion, it is possible to manufacture a manhole equipped with various types of inverters 38.

The manufacturing process of the manhole according to the present invention using the manufacturing apparatus is roughly made in the order of a mold assembly process, concrete injection process, mold demolding process and manhole completion process.

In the assembly process, the inner wall mold 50, the outer wall mold 60, and the flange 70 of each sphere are assembled. Fix the above-described deformed reinforcing bar 18, the ladder fastening hole forming mold (not shown) and the connecting connection pipe 40, etc., and seal the surroundings of the fixed portion with an adhesive such as mortar to prevent the concrete from leaking out. .

Figure 7 is a state diagram illustrating the manhole manufacturing apparatus integrated with a connecting means pipe connecting pipe according to the present invention. As shown in FIG. 7, in the concrete injection process, concrete is injected between an inner wall and an outer wall. In the case of the lower sphere mold, injection is performed in a state in which the upper and lower sides of the mold are overturned so that concrete is easily injected. After the injection is completed, a predetermined pressure is applied to the upper surface of the concrete so that the concrete is evenly introduced into the mold.

In the mold demolition process, after curing the concrete, the mold is dismantled, and the trimming and the like caused by the leakage of concrete are removed.

The manhole completion process is to complete the manhole by drying the concrete with steam of 40 ~ 60 ℃ to prevent air shortening and freezing damage in winter.

In the case of using the integrated manhole tube connecting tube integrated manhole according to the present invention, a separate process for fixing the connection connecting tube inserted during construction can be omitted, it is possible to perform a quick construction and save the manhole manufacturing cost. In addition, in the case of using the manufacturing device of the mandrel pipe connection tube integrated manhole according to the present invention, it is possible to block the leakage occurring between the connection pipe and the connection pipe hole of the manhole, and by using a connection pipe support member Connection and coupling of the connecting tube having a diameter can be easily made, and by having a demolding means inside the inner wall fitting member can be easily demolded of the inner wall fitting member after curing the concrete.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: upper sphere 20: vertical sphere
23: step 24: sealing groove
30: lower spherical body 40: connecting tube
38: inverter 50: inner wall mold
52: protrusion for inverter 60: mold for outer wall
65: connector tube hole 66: connector tube projection
70: connecting connection pipe support member 74: inner wall fitting member
76: water milling

Claims (7)

delete delete In the manhole manufacturing apparatus integrated with a connecting means pipe connecting member
An inner wall mold 50 which forms an inner wall of the lower manhole 30 and has an inverter protrusion 52 for forming an inverter 38 at a lower end thereof; And
Is located outside to surround the inner wall mold 50, the outer wall mold 60 for forming the outer wall of the manhole lower sphere 30;
The outer wall mold 60 is formed with a connection tube hole 65 for inserting the connection tube 40, the connection tube hole 65 is provided with a connection tube projection 66 projecting toward the outside. ,
The connection tube 40 is inserted and fixed to the connection tube hole 65, the outer surface of the connection tube 40 is further provided with a water-tight ring (76) for preventing leakage,
At the end of the connection connecting pipe 40 to be connected to the inverter protrusion 52 of the inner wall mold 50, the inner wall of the shape in which the plate is rolled in a cylindrical shape to facilitate contact with the inverter protrusion 52 In addition to the member 74, the inner wall fitting member 74 is provided with a deforming means 74b of which the length is adjusted so that the diameter of the inner wall fitting member rolled in a cylindrical shape can be adjusted. Increasing the length of the means (74b) so that the outer peripheral surface of the inner wall fitting member 74 is in close contact with the inner circumferential surface of the connecting tube, shortening the length of the demolding means (74b) after curing of concrete to the inner wall fitting member 74 ) Can be easily demolded,
The inner circumferential surface of the connection pipe projections 66 is further provided with a connection pipe support member 70 having a plurality of ribs 70a formed on the outer circumferential surface thereof.
The length (L) of the connection pipe protrusion 66 is a manhole manufacturing device integrated connector, characterized in that it has a length of 1 ~ 1.5 times the thickness of the side wall of the lower sphere (30).
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