KR200212748Y1 - Pre-casted Culvert - Google Patents

Abstract

The present invention is a prefabricated manhole culvert that forms a predetermined space by a plurality of laminated members, which is installed on one side of the laminated member protruding toward the other laminated member to be connected and extends horizontally in the longitudinal direction The hooking member having a hooking portion having a hooked hook portion, and a hook receiving portion which is installed on another stacking member in contact with the stacking member and protrudes horizontally in a longitudinal direction on an inner wall surface of the hook receiving portion and the hook receiving portion. Characterized in that it comprises a female fastening member having at least one hook engaging portion capable of fastening. Thereby, it is possible to facilitate assembly of the manhole culvert and provides a prefabricated manhole culvert that can shorten the air.

Description

Prefab Manhole Culvert {Pre-casted Culvert}

The present invention relates to a prefabricated manhole culvert forming a predetermined accommodation space.

In the construction of manholes for the maintenance and management of underground buried materials, the construction of foundation works after underground excavation work, forming molds around the steel frame, and injecting cement mortar into the molds for curing curing are used. . This method of on-site pouring requires a skilled worker in building one manhole, and there is a problem in that it takes a lot of time and effort in the curing process.

Therefore, to compensate for this drawback, the manhole culvert is separated into an upper member, an intermediate member and a lower member so as to form a receiving space therein, and a through hole penetrating in the vertical direction is formed on the side wall of the corner region of each member. By doing so, the prefabricated manhole ambulator is installed in the Republic of Korea Utility Model Publication No. 99-8371 after the installation in the field to pass the steel bar through the through-hole to tighten the steel bar by bolts.

In the installation of the prefabricated manhole culvert, first, excavate the construction position to form the underground cavity, and then install the lower member separately manufactured in the formed underground cavity, and then stack the intermediate member and the upper member thereon, and the sidewall of each member. The manhole culvert installation is completed by joining the upper and lower laminated members by tightening and tightening each of the upper and lower members by using a bolt to penetrate the through-hole formed in the through-hole.

By the way, such a conventional prefabricated manhole chamfer, when assembling each of the upper and lower laminated members and fastened with steel bars, a number of through holes penetrating up and down the side walls of each laminated member and steel bars and tightening bolts through the through holes must Components are required, and the installation procedure is complicated by installing steel rods on the lower member during construction and laminating the upper members and then fastening them, and finally exposed to the upper plate of the upper member in the step of tightening the steel rods. Since the end of the steel bar is tightened by using a bolt, it is difficult to sufficiently press the upper and lower members by using only the steel bar extending from the lower member.

Accordingly, it is an object of the present invention to provide a prefabricated manhole culvert that can firmly couple each laminated member while facilitating the assembly of the separated manhole members.

1 is an exploded perspective view of a prefabricated manhole culvert according to the present invention,

FIG. 2 is a perspective view illustrating a coupling state of FIG. 1; FIG.

3 is an exploded perspective view of the joint anchor,

4 is a cross-sectional view of the combined anchor anchor,

5 is a cross-sectional view of the arm fastening member.

* Explanation of symbols for the main parts of the drawings

10: lower laminated member 11: bottom plate

12, 21, 32: partial side wall 14a, 14b, 14c: connection port

15: ladder 20: middle chuck layer member

30: upper laminated member 31: top plate

33: manhole 35: cover support

37: manhole cover 41: rib receiving groove

42: bleed rib 50: male fastening member

51 hook portion 53 fastening portion

55: embedded anchor member 57: anchor

60: female fastening member 61: hook receiving portion

63: hook hook portion 65: hook hook ball

67: locking projection 69: elastic member

The above object is, according to the present invention, in the prefabricated manhole chamfer to form a predetermined space by a plurality of laminated members, protruding toward the other laminated member is installed on one side of the laminated member and connected to the length A male fastening member having a hook portion extending laterally in a direction, and a hook accommodating member installed on another stacking member in contact with the stacking member and accommodating the male fastening member, and horizontally in a length direction on an inner wall surface of the hook accommodating portion. Produced by a prefabricated manhole culvert, characterized in that it comprises a female fastening member having at least one hook engaging portion capable of protruding the hook hook All.

Here, the female fastening member is preferably at least a portion to be embedded in the side wall of the stacking member.

Further comprising at least one anchor extending in the longitudinal direction from the arm fastening member and then bent in the transverse direction, there is a high fixed stability when the arm fastening member is embedded.

The male fastening member has a male screw thread formed in an end region facing the hook portion, which is preferable for easy coupling with each other.

A female screw thread is formed to be coupled to the male fastening member, and further includes an embedded anchor member material coupled to the male fastening member and embedded in the lamination member, thereby easily installing the male fastening member to the lamination member.

The hook catching portion includes a hook catching hole and an elastic member on the inner wall of the hook receiving portion so as to retract elastically, so that the male fastening member can be easily coupled to the female fastening member.

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

1 is an exploded perspective view of a prefabricated manhole culvert according to the present invention, Figure 2 is a perspective view showing a coupling state of Figure 1, Figure 3 is an exploded perspective view of a joint anchor. The prefabricated manhole culverts shown in these figures are somewhat exaggerated sidewalls for convenience of description of the drawings, and thus the receiving spaces formed inside the prefabricated manhole culverts are shown small. As shown, the prefabricated manhole culvert according to the present application and the lower laminated member 10 of the lowest layer is installed on the bottom of the excavated underground cavity, and the intermediate laminated member 20 coupled to the upper end of the lower laminated member 10 and The upper laminated member 30 is coupled to the upper end of the intermediate laminated member 20 and closes the receiving space formed by the upper laminated member 30.

The lower laminated member 10 has a substantially rectangular bottom plate 11 and a partial side wall 12 formed almost perpendicularly from the edge of the bottom plate 11. A ladder 15 is formed to protrude inwardly on an inner side surface of the partial side wall 12 on one side, and a plurality of underground pipes 14a may be formed on opposite sidewalls adjacent to each other. The upper end of each sidewall 12 of the lower laminated member 10 is recessed from the plate surface to form a rib receiving groove 41.

The intermediate lamination member 20 is formed of an almost rectangular tubular body to be coupled to the upper end of the lower lamination member 10, and the lower lamination member 20 to be coupled to the rib accommodation groove 41 formed at the upper end of the lower lamination member 10. A slit rib 43 protruding downward from the plate surface is formed. The upper end portion is formed with a rib receiving groove 41 recessed from the surface. In addition, a plurality of connecting tube holes 14b are formed in the long side wall portions facing each other so that connecting pipes of underground buried materials can be connected to each other through the plate surface.

And, the upper laminated member 30 is coupled to the upper end of the intermediate laminated member 20 and the upper plate 31 for blocking the upper opening of the receiving space, and formed almost perpendicularly protruding from the plate surface of the upper plate 31 manhole It has a partial side wall 32 which forms a partial section of the side wall of the space. The upper plate 31 is formed with a manhole 33 penetrating through the plate surface adjacent to one side side wall, and the introduction portion of the manhole 33 is reduced in the radial direction so as to support the manhole cover 37 and is separated from the upper surface. The cover support part 35 cut in the thickness direction is provided. The side wall 32 formed adjacent to the manhole 33 is provided with a ladder 15 so as to facilitate entry and exit, and the mutually opposing long side walls are provided with connection pipes 14c through the plate surface. And, at the free end of each side wall 32, a bleed rib 43 protruded downward so as to be coupled to the rib receiving groove 41 formed in the upper end of the intermediate layer member 20.

On the other hand, in the central region of each corner region of the bottom of the rib receiving groove 41 formed in the upper end of each side wall 12 of each lower laminated member 10 and the intermediate laminated member 20 and the long side wall (part side wall) A plurality of arm fastening members 60 provided to protrude along the vertical direction of 12) are respectively embedded. In addition, the slit rib 43 formed at the lower end of the upper laminated member 30 and the intermediate laminated member 20 has a middle laminated member 20 and a lower laminated member 10 at each corner region of the plate surface and the central region of the long side wall. The male fastening member 50 is embedded embedded so that it can be coupled to the female fastening member 60 installed in the).

The interlocking members 50 and 60 that assemble and couple the stacking members 10, 20, and 30 at the contact ends in which the stacking members 10, 20, and 30 are connected to each other are as shown in FIGS. 3 and 4. Likewise, the male member 50 having a hook portion 51 which is embedded in the plate surface to which the stacking members 10, 20, 30 are connected, and extends in the horizontal direction toward the longitudinal direction of the free end portion and has a hook shape. , The female fastening member 60 is embedded at the other end corresponding to the male fastening member 50 and has a hook receiving portion 61 formed therein to accommodate the hook portion 51 of the male fastening member 50.

The female fastening member 60 includes a hook accommodating portion 61 at least partially embedded in the rib accommodating groove 41 of the upper end of the stacking members 10 and 20, and the hook accommodating portion 61 is hollow. It has a cylindrical shape, and a space capable of accommodating the hook portion 51 of the male fastening member 50 is formed therein. The hook accommodating portion 61 has an inner diameter surface of the hook-shaped hook engaging portion 63 protruding to receive and hook the hook portion 51 of the male fastening member 50. The hook catching portion 63 has a hook catching hole 63 formed on the inner wall of the hook receiving portion 61, and by inserting an elastic member 67 such as a compression coil spring therein, the hook catching portion ( 63 is formed to elastically retreat forward. In addition, the outer wall of the hook engaging portion 63 includes at least one anchor 57 extending in the longitudinal direction to be embedded and bent in the transverse direction at the end thereof to have a hook shape.

The male fastening member 50 has a cylindrical shape formed by protruding in the horizontal direction on the plate surfaces of the laminated members 10, 20, and 30 to be connected, and the hook of the male fastening member 50 coupled with the female fastening member 60. There is a fastening portion 53 in which a male thread is formed in an area facing the portion 51, and a separate embedded anchor member 55 in which a female thread is formed so as to correspond to the male thread of the male fastening member 50 is formed. It is prepared. The buried anchor member 55 also has at least one anchor 57 extending in the longitudinal direction, the end portion of which is bent into a hook shape.

According to this configuration, when assembling the prefabricated manhole culvert, excavate the designated position to form a cavity, the bottom laminated member 10 is installed on the bottom, and then the rib receiving groove formed in the upper end of the lower laminated member 10 ( 16) installs the intermediate lamination member 20 so that the bleeding rib 23 is accommodated. Connection pipes (not shown) of underground buried material are connected to the connection pipes 14a and 14b formed on the sidewalls 12 and 21, and the connection pipe holes 14a and 14b to which the connection pipes are not connected are separated from each other. To prevent foreign substances from entering into the receiving space. Then, the male fastening member 50 installed in the female fastening member 60 of the rib receiving groove 41 formed in the upper end of the intermediate laminated member 20 and the bite rib 43 formed in the lower end of the upper laminated member 30. To be fastened together. When the connection tube 14c formed on the side wall 32 is not used, a separate blocking member is used to block the connection tube 14c so that foreign matter does not flow into the accommodation space. At this time, when the respective stacking members 10, 20, 30 are stacked, the male fastening member 50 is installed on the locking ribs in the female fastening member 60 installed in the rib receiving groove 41, even if no separate force is applied. If the alignment is put up, the hook portion 51 is inserted into the hook hook portion 61 only by the weight of the laminated member while pushing the locking projections 65 in the hook hook hole 63 to the side and inserted, the hook portion Since 51 is caught by the locking projection 65, it is fastened firmly so that it may not retreat.

Meanwhile, the stacking members 10, 20, and 30 may be separately manufactured as unit members having appropriate sizes connected laterally, and may be mutually fastened to contact end surfaces of the side walls to which the unit members are joined. By installing and assembling the female fastening member 60 and the male fastening member 50, it is possible to complete one laminated member.

As described above, the prefabricated manhole culvert according to the present invention is separately manufactured by a plurality of laminated members, the female fastening member 43 and the rib receiving groove 41 formed on the mutual contact surface, respectively, the female fastening member 60 and the male fastening member By installing the 50 to be interlocked with each other, it is easy to assemble at the time of installation, the screw thread is formed in the body of the water fastening member 50, and by adjusting the bolt through a separate bolt, the combination of the manhole arm assembly Not only can it be firmly coupled, there is an advantage that the pressure is tightly adjusted to be in close contact with each other on the contact surface of each of the laminated members (10, 20, 30) as needed.

As another embodiment, the male fastening member 50 does not have a separate buried anchor member 55, by directly forming an anchor on the male fastening member 50, the laminated members (10, 20, 30) It can be purchased and installed directly in. Then, the number of members to be used is reduced by one, and there is an advantage in that the number of processes is reduced even in installation, thereby shortening the air.

As described above, according to the present invention, the female fastening member is provided on the side wall of any one of the laminated members composed of a plurality of laminated members, the male fastening member is provided on the side wall of the other laminated member that is correspondingly connected, thereby assembling at the time of installation This simple and tightly coupled prefabricated manhole arm is provided.

Claims (6)

In the prefabricated manhole chamfer to form a predetermined space by a plurality of laminated members, A male fastening member installed on one side of any one of the laminated members, protruding toward another laminated member to be connected and having a hook portion extended laterally in the longitudinal direction; At least one hook installed at another stacking member in contact with the stacking member and protruding horizontally in a longitudinal direction on the inner wall surface of the hook receiving portion and the hook receiving portion to accommodate the male fastening member; A prefabricated manhole culminator comprising a female fastening member having a locking portion. The method of claim 1, The arm fastening member is a prefabricated manhole armger, characterized in that at least a portion is embedded in the side wall of the stacking member. The method of claim 2, The prefabricated manhole armger, characterized in that it further comprises at least one anchor formed in the longitudinal direction extending from the arm fastening member and then bent in the transverse direction. The method of claim 1, The male fastening member has a male screw thread formed in the end region facing the hook portion. The method of claim 4, wherein Prefabricated manhole culverter is characterized in that the female thread is formed so as to be coupled to the male fastening member and the buried anchor member is coupled to the male fastening member and embedded in the laminated member. The method of claim 1, The hook engaging portion is prefabricated manhole armger, characterized in that it comprises a hook hooking hole and an elastic member on the inner wall of the hook receiving portion so as to retract elastically.