KR100747708B1 - A prefabricated form for a manhole and the using method thereof - Google Patents

Abstract

A prefabricated form for a manhole is provided to manufacture a manhole by regulating the installation angles of half spools fixed to a manhole according to the angle of a sewer pipe. The invention relates to a prefabricated form(1) for manufacturing a manhole by regulating the installation angles of half spools fixed to a manhole, which comprises an inner form(2) divided into many equal parts and assembled in a cylindrical shape opened upward and downward, an outer form(3) composed of a main panel(4), an angle regulating panel(9) and many unit panels(11) to be assembled in a cylindrical shape opened upward and downward and installed to the outside of the inner form at a certain distance, and half spools(12b) inserted to primary and secondary half spool insertion holes(10) formed on the outer form.

Description

Prefabricated form for a manhole and the using method

1 is a schematic perspective view of a manhole forming prefabricated formwork according to the present invention;

Figure 2 is a perspective schematic view of a state in which the manhole forming prefabricated formwork according to the present invention is disassembled

Figure 3 is a perspective view showing the main panel of the manhole forming prefabricated formwork according to the present invention

Figure 4 is a perspective view showing an angle control panel of the manhole forming prefabricated formwork according to the present invention

Figure 5 is a perspective view showing a unit panel of the manhole forming prefabricated formwork according to the present invention

Figure 6 is a longitudinal cross-sectional view of a state in which the angle between the support means tube in the manhole forming prefabricated form according to the present invention is adjusted to 180 °

Figure 7 is a longitudinal cross-sectional view of a state in which the angle between the support means tube in the manhole forming prefabricated form according to the present invention is adjusted to 120 °

Figure 8 is a longitudinal cross-sectional view of a state in which the angle between the support means tube 90 ° in the manhole forming prefabricated form according to the present invention is adjusted to 90 °

Figure 9 is a longitudinal cross-sectional view of a state in which the number of the support pipe is increased by the assembly of a plurality of angle control panel to the manhole action prefabricated formwork according to the invention

10 is a perspective schematic view showing another embodiment of the manhole forming prefabricated formwork according to the present invention;

11 is a perspective view of a manhole manufactured through the manhole forming prefabricated formwork according to the present invention

              <Description of Symbols for Major Parts of Drawings>

1. Manhole prefabricated formwork 2. Inner formwork

3. Outer formwork 4. Main panel

5. First means pipe insertion hole 6a, 6b, 6c, 6d, 6e, 6f. Side panels

7a, 7b, 7c. Through hole 8. Fastening wire or rope

9, 9 '. Angle adjustment panel 10. 2nd paper guide tube insertion hole

11. Unit panels 12a, 12b, 12c. Branch office

13. Secondary formwork M: Manhole

The present invention relates to a form which can manufacture a manhole by freely adjusting the installation angle of the support means to be integrally placed in the manhole, more specifically, the cylindrical inner formwork and a predetermined interval spaced outside the inner formwork and a plurality of In the manhole forming form consisting of an outer formwork which is assembled in a cylindrical shape in the state divided into dogs and a support means pipe inserted into the outer formwork, the outer formwork is perforated with a first support means tube insertion hole in one lower portion of the outer form Between the first paper guide tube insertion hole and the second paper guide tube insertion hole, the second paper means tube insertion hole is drilled in the lower center of the lower panel in the shape of an arc shape, and the arc shape has a short cross section. The distance between the support means pipe is inserted into the first and second support means insertion hole respectively It consists of a plurality of divided unit panels interposed between the main panel and the angle control panel in an arc shape having a short cross-sectional shape to be cut out to form a cylindrical outer formwork, the main panel And the angle control panel and the plurality of unit panels each have left and right side plates protruding outward and through-holes are perforated in the center portion of the side plates so that the fastening wires or ropes are fitted along the through-holes and the outer formwork is cylindrical. It relates to a manhole-made prefabricated formwork and a method of using the same, characterized in that it is easy to fasten.

In general, plastic pipes are embedded in the ground to form flow paths when various sewage, rainwater or wastewater, etc. generated at industrial sites or homes flow to predetermined purification facilities, or when irrigating agricultural and industrial water. Alternatively, a sewage pipe such as a concrete fume pipe is used, and a manhole of concrete material is connected to the starting point or intersection point of the thickness or flowing direction of the sewage pipe so that the flow of sewage or rainwater can be smoothly made.

In general, in order to form the manhole as described above, the inner formwork is assembled in a plurality of equally divided state and the outer formwork is assembled in a plurality of equally divided state in a state spaced apart at a predetermined interval on the outside of the inner formwork. The outer formwork is provided with a means for inserting and inserting a means for inserting and draining a normal means sewer pipe connected to the manhole at 90 ° or 180 ° intervals depending on the position of the inlet and outlet sewage pipes. After each of the perforations are inserted into each of the means pipe insertion hole, and the concrete between the inner formwork and the outer formwork, the curing is to produce a manhole integrally formed with the inlet and outlet to serve as the inlet and outlet.

As a conventional technique for manufacturing a manhole as described above, Korean Utility Model Registration No. 20-0246023 discloses, "In the conventional formwork filling the ready-mixed concrete and curing the manhole, the outer wall formwork has a panel having semi-circular fume pipe holes and supports the panel. Forming a panel frame to form a formwork so that it can be disassembled by bolts or screws, the formwork forms an outer wall formwork with an equivalent angle of 45 ° corresponding to 1/8 of a circular circle in a plane, or 1/4 of a circle Before filling the manhole forming ready-mixed concrete by constructing a quadrilateral outer wall formwork having an equiangular angle corresponding to 90 °, and having a small fume tube hole to be selectively disassembled and combined with the outer wall formwork. The replacement formwork for forming a fume tube-integrated manhole to combine the fume tube and the manhole is formed.

However, the conventional formwork as described above is coupled to one by one using a plurality of bolts and nuts when assembling the outer formwork divided into a plurality of times, it takes a lot of time to assemble and disassemble the outer formwork, and also to the manhole The angle between the branch pipe (fume pipe), which is installed integrally and acts as an inlet and outlet, is made only at an angle of 90 ° or 180 °, so that the existing inlet and outlet sewage pipe and the newly installed manhole paper pipe When the angle does not fit frequently occurs, in this case, there was an inconvenience of additionally connecting a curved elbow pipe between the sewer pipe and the branch pipe, and installing the curved elbow pipe as described above. Sewage and earth and sediment pile up on the curved part, so that the sewage flows smoothly. There was a problem that backflow or drainage blocked.

The present invention is to solve the above problems, assembling and disassembly of the outer formwork divided into a plurality of simple fastening by one fastening wire or rope fastening and disassembly of the outer formwork in a short time, the manhole The purpose of the present invention is to provide a prefabricated form of manhole-made formwork that can be freely adjusted according to the angle of the inflow and outflow sewage pipes that are fixedly installed on the inlet and outlet sewer pipes. .

In order to achieve this purpose, a manhole composed of an inner formwork which is assembled and fastened in a cylindrical shape and spaced apart from the inner formwork at regular intervals, and an outer formwork that is assembled in a cylindrical shape in a plurality of equal parts and a branch means pipe inserted into the outer formwork. In the manufacturing formwork, the outer formwork is a main panel of the first paper means tube insertion hole is drilled in the lower side of one side and the semi-circular arc shape of the cross section, and the second paper means tube insertion hole in the lower center portion of the arc shape of the short cross section The distance between the first paper means tube insertion hole and the second paper means tube insertion hole is adjusted while being positioned on the same circumference as the main panel to adjust the angle between the paper means tubes respectively inserted into the first and second paper means tube insertion holes. The main panel and the angle adjustment panel in an arc shape having a short cross section It consists of a plurality of divided unit panels which are interposed to complete the cylindrical outer formwork, the main panel, the angle control panel and the plurality of unit panels, respectively, the left and right sides of the side panels protrude outwards A through hole is drilled in the center portion of the side plate, so that a fastening wire or a rope is fitted along the through hole to easily fix the outer formwork to a cylindrical shape.

Hereinafter, the preferred configuration according to the present invention will be described in detail with reference to the drawings.

Manhole action prefabricated formwork (1) of the present invention is free to adjust the installation angle of the support means 12a, 12b fixedly installed in the manhole (M), as shown in Figure 1 to 11 manhole (M) As the formwork to be manufactured, the inner formwork (2) to be assembled and fastened into an open cylindrical upper and lower parts, and is installed at regular intervals apart from the inner formwork (2), the upper and lower parts in an open cylindrical shape divided into a plurality It consists of an outer formwork 3 to be assembled and fastened, and a support means 12a and 12b respectively inserted into the first and second support means insertion holes 5 and 10 drilled in the outer formwork 3.

The inner formwork (2) is the same height as the height of the manhole (M) to be manufactured as shown in Figures 1, 2, 6 to 8 and is divided into a plurality of states, the upper and lower parts open in the assembled state It is designed to be assembled into a cylindrical shape, and to be firmly fastened on the inner side using a conventional bolt and nut.

As the outer formwork 3 is assembled in the upper and lower portions as shown in Figures 1 to 8, the outer form of the inner formwork (2) surrounded by a predetermined spaced apart in a state where the concrete is to be poured The main panel 4, the angle control panel 9 and a plurality of unit panels (11).

As shown in FIG. 3, the main panel 4 has a semicircular arc-shaped cross section at the same height as the height of the inner formwork 2, and a first supporting means tube insertion hole 5 is formed at one lower side of the main panel 4. As a result of the perforation, the short cylindrical support means 12a are inserted therethrough, and the side panels 6a and 6b are fixedly attached to the left and right ends of the main panel 4 so as to protrude outward, respectively. The side plates 6a and 6b of 4) and the side plates 6c and 6d of the angle adjustment panel 9 and the side plates 6e and 6f of the plurality of unit panels 11 abut against each other on the same circumference. As the surfaces are in close contact with each other, the concrete placed inside the outer formwork 3 does not flow out between the gaps between the main panel 4, the angle control panel 9, and the plurality of unit panels 11, and the side plates 6a. In the middle of 6b, through holes 7a through which fastening wires or ropes 8 are fitted are drilled, respectively. The.

As shown in FIG. 4, the angle control panel 9 has an arc shape having a short cross section at the same height as the main panel 4, and a second support means tube insertion hole 10 is drilled in the lower center portion. Since the short cylindrical support means 12b is inserted through, the angle adjustment panel 9 is positioned on the same circumference as the main panel 4 while the first index formed on one side lower part of the main panel 4 The distance between the second insertion means pipe insertion hole 10 formed in the short pipe insertion hole 5 and the angle control panel 9 is adjusted so that the first insertion means pipe insertion hole 5 and the second supporting means pipe insertion hole 10 are adjusted. The angle between the support means tube 12a, 12b inserted into each is adjusted according to the position of the angle control panel 9, and the left and right ends of the angle control panel 9 are side panels of the main panel 4, respectively. Fixed parts with side plates 6c and 6d having the same shape as 6a and 6b, respectively, protruding outward. And there is a through hole (7b), the center of the wire or rope (8) for the fastening to be fitted in the side plate (6c), (6d) are respectively perforated.

The plurality of unit panels 11 are short or long arc-shaped cross section at the same height as the angle control panel 9 and the main panel 4, as shown in Figure 5 and the angle control panel (9) and the main panel (4) is arranged on the same circumference to form a cylindrical shape, the main panel (4) in a state where the position between the main panel (4) and the angle control panel (9) is adjusted as described above And a plurality of interposed between the angle control panel (9) and the cylindrical outer formwork (3), respectively, and the plurality of unit panels (11), respectively, the main panel (4) at the left and right both ends Side plates 6a, 6b and side plates 6e, 6f of the same shape as the side plates 6c, 6d of the angle adjustment panel 9 are fixedly attached to each other so as to protrude outward. In the center portion of the side plates 6e and f6, through holes 7c into which the fastening wire or the rope 8 is fitted, respectively The side panels 6a, 6b, 6c and 6d in a state in which the main panel 4, the angle adjustment panel 9 and the plurality of unit panels 11 are in contact with each other and assembled in a cylindrical shape. One fastening wire or rope 8 is inserted through the through holes 7a, 7b, and 7c formed in 6e) and 6f to wrap and fasten the outer formwork 3 as a whole to fix the outer formwork within a short time. It is designed to fasten easily.

In addition, instead of the fastening wire or rope 8, a long rod-shaped fastening rod made of a synthetic resin or a metal material of a flexible material suitable for the diameter of the through holes 7a, 7b, and 7c (not shown). The through-hole 7a, 7b, 7c can be easily fixed to the outer formwork 3 by inserting it into the through hole 7a, 7b, 7c.

On the other hand, if necessary, as shown in FIG. 9, an additional angle adjusting panel 9 'is added by being disposed on the same circumference between the main panel 4 and the basic angle adjusting panel 9. A separate support means tube 12c is inserted through ') to manufacture a manhole M to which a plurality of support means tubes 12a, 12b and 12c are fixedly attached.

The means means tube 12a, 12b is a short cylindrical tube made of a PVC material, and the first means means inserted into the main panel 4 and the angle control panel 9 of the outer formwork 3, respectively. The diameter of the ball 5 and the second support means tube insertion hole 10 is to be exactly matched, and one side is inserted into the first and second support means tube insertion holes 5, 10, respectively, the support means pipe 12a One end of the round (12b) is rounded inward so that one end of the round ground means tube (12a) (12b) is in contact with the outer circumferential surface of the inner formwork 2 assembled in a cylindrical shape to maintain a close contact state. In addition, the manhole M is fixedly attached to the manhole M as shown in FIG. 11 in a state of being controlled at a predetermined angle by concrete poured between the inner mold 2 and the outer mold 3. Conventional sewer pipes (not shown) pre-installed, forming inlets and outlets Are connected to each other.

Meanwhile, as another embodiment according to the present invention, as shown in FIG. 10, the height of the outer formwork 3 is formed to a height lower than half of the height of the inner formwork 2 as a whole to assemble the outer formwork 3. The fastening is made simpler and the overall formwork is placed on the upper surface portion of the assembled outer formwork 3 by placing a cylindrical auxiliary formwork 13 having upper and lower portions having the same diameter as the outer formwork 3. 1) can also be completed to vary the height of the auxiliary formwork 13 in accordance with the height of the manhole (M) is to be able to manufacture a manhole (M) having a suitable height.

Hereinafter, a method of manufacturing the manhole M using the manhole forming prefabricated formwork 1 according to the present invention will be described.

First, assembling and placing the inner formwork (2) in the form of a plurality divided into the upper portion of the bottom concrete to be the bottom surface of the manhole (M) in a state spaced apart at a predetermined interval on the outside of the inner formwork (2) The outer formwork (3) consisting of the main panel (4), the angle control panel (9) and the plurality of unit panels (11) is assembled into a cylindrical shape. The angle adjustment panel (9) is formed on the same circumference as the main panel (4). Position) but between the first support means tube insertion hole 5 drilled in one lower portion of the main panel 4 and the second support means tube insertion hole 10 drilled in the lower center portion of the angle control panel 9. 6 to 8, the main panel 4 and the angle control panel 9 are positioned and adjusted in a state where they are adjusted to be positioned in accordance with pre-installed sewer pipes at various angles such as 90 °, 120 °, and 180 ° as shown in FIGS. Outside the unit panel 11 divided into a plurality between Side plate (6a) (6b) protruding outwardly on the left and right sides of the main panel (4), the angle control panel (9) and the plurality of unit panels (11) to form a perfect cylindrical shape (3) 6c) (6d) (6e) (6f) through the through holes (7a) (7b) (7c) through the fastening wire or rope (8) is wrapped around the outer peripheral surface of the outer formwork (3) to securely tighten fastening One side of the supporting means 12a, 12b is inserted into the first supporting means insertion hole 5 and the second supporting means insertion hole 10, respectively, so that one end of the supporting means 12a, 12b is formed inwardly. The installation of the manhole-operated prefabricated formwork 1 is completed by maintaining the state in close contact with the outer circumferential surface of 2).

Next, when the concrete is poured between the inner mold (2) and the outer mold (3) to maintain a state in which the support means 12a, 12b fixedly attached to the manhole (M) and a predetermined curing period After disassembling and removing the outer formwork (3) and the inner formwork (2), the angle between the branch means pipes (12a) and (12b) is precisely angled to the inlet and outlet pipes of the installed sewer pipes (M) This is done.

According to the present invention as described above, the assembly of the plurality of outer formwork divided into a simple fastening by one fastening wire or rope can be assembled and disassembled the outer form within a short time, the index is fixed to the manhole Manholes can be formed while freely adjusting the angle between the inlet and outlet sewer pipes installed, so there is no need for a separate elbow or additional connecting pipe between the branch and sewer pipes fixed to the manhole during construction. Not only is it simple, but there is no curved part, and the phenomenon of blocking sewage due to accumulation of sewage and earth and sand, etc., is significantly reduced.In addition, the use of auxiliary formwork reduces the height of the outer formwork, which is generally made of heavy metal materials. The user can easily make the outside form which is lighter After assembling and placing the auxiliary formwork of various heights on the outer formwork upper surface, there is an effect that the assembly installation of the entire formwork can be made more easily.

Claims (5)

An inner formwork which is assembled into a cylindrical shape in which the upper and lower parts are opened in a plurality of equal parts, and an outer formwork which is installed at a predetermined interval on an outer side of the inner formwork and assembled into a cylindrical shape in which the upper and lower parts are opened in a divided state; It consists of a support means which is inserted through the outer formwork, wherein the outer formwork is the same height as the inner formwork, the main panel, the first paper means tube insertion hole perforated, the same height as the main panel, the second means means insertion hole Perforated angle control panel and arc shape with short or long cross section are interposed between main panel and angle control panel in the same circumference with the position between the main panel and angle control panel adjusted, completing cylindrical outer formwork The main panel and the angle control panel and a plurality of units In the manhole forming formwork, in which the side panels of the state protruding outwardly are fixedly attached to both left and right ends of the panel, and the side plates are brought into close contact with each other, and the main panel 4 has a semi-circular arc shape in cross section. The first support means tube insertion hole (5) is perforated on one side lower part, and the angle adjustment panel (9) has an arc shape with a short cross section, and the second support means tube insertion hole (10) is perforated on the lower middle part. Although the position is adjusted on the same circumference as the main panel 4, the installation angle between the support means 12a, 12b by adjusting the distance between the first means means insertion hole 5 and the second means means insertion hole 10 The side plates 6a, 6b, 6c, 6d, 6e, and 6f are perforated holes 7a, 7b, and 7c, respectively, in the center portion thereof. Fastening wires or ropes 8 are fitted through balls 7a, 7b and 7c to assemble in a cylindrical shape. Side mold (3) assembled mold for manufacturing a manhole, characterized in that it is wrapped around to engage the outer peripheral surface of the fixed simply. An inner formwork which is assembled into a cylindrical shape in which the upper and lower parts are opened in a plurality of equal parts, and an outer formwork which is installed at a predetermined interval on an outer side of the inner formwork and assembled into a cylindrical shape in which the upper and lower parts are opened in a divided state; It consists of a support means pipe inserted into the outer form, the outer form is the main panel, the first paper means tube insertion hole is punctured, the same angle as the main panel and the second angle means tube insertion hole and the angle control panel The unit is divided into a plurality of units to form a cylindrical outer formwork while interposed between the main panel and the angle control panel on the same circumference in a state where the position between the main panel and the angle control panel is adjusted in a short or long arc shape. The main panel, the angle control panel and the plurality of unit panels are formed on the outside of the left and right ends of the panel. In the manhole forming formwork which is fixed to each of the side plates protruding by the side plates are in contact with each other, the main panel (4) is semi-circular in cross section at a height lower than the height of the inner formwork (2) The first support means tube insertion hole (5) is perforated on one side lower portion, and the angle adjustment panel (9) has an arc shape having a short cross section, and the second support means tube insertion hole (in the lower middle part). 10) is perforated, but the position control on the same circumference as the main panel 4, the distance between the first paper guide tube insertion hole (5) and the second paper guide tube insertion hole (10) by the local means pipe (12a) (12b) The installation angles between the side plates 6a, 6b, 6c, 6d, 6e, and 6f are perforated by through holes 7a, 7b, and 7c, respectively. Fastening wires or ropes 8 are inserted through the through holes 7a, 7b and 7c to form a cylindrical shape. The outer circumferential surface of the assembled outer formwork (3) is simply fixed and fastened, and the upper and lower portions having the same diameter as the outer formwork (3) are opened in the upper surface portion of the outer formwork (3) assembled in a cylindrical shape. The auxiliary formwork 13 is stacked, the manhole action prefabricated formwork, characterized in that to maintain the same height as the inner formwork (2). delete delete The outer formwork divided into a main panel, an angle control panel, and a plurality of unit panels is placed on the upper side of the bottom concrete, which is the bottom surface of the manhole, assembled into a cylindrical assembly, and the outer formwork is divided into the outer formwork. After assembling the cylindrical assembly at a predetermined interval in the state and inserting the first and second means means tube insertion holes drilled in the main panel and the angle control panel, respectively, the main panel and the angle control panel and a plurality of units After fastening the outer formwork by fastening each side plate to be in contact with each other in the state protruding outward to the left and right ends of the panel, respectively, and then to cure by pouring concrete between the inner formwork and the outer formwork, The manhole is made to disassemble and remove the inner formwork to produce a manhole whose angle is adjusted between the means pipe. In the method of using the prefabricated formwork for manufacturing, an angle adjusting panel 9 having an arc shape having a short cross section is positioned on the same circumference as the main panel 4 having a semicircular arc shape in a cross section, and the main panel ( 4) the angle between the first support means tube insertion hole (5) perforated in the lower side of one side and the second support means tube insertion hole (10) perforated in the lower center portion of the angle control panel (9) to fit the sewer pipes already installed Adjust the position of the angle control panel (9) and then complete the cylindrical outer formwork (3) by interposing the unit panel (11) divided into a plurality between the main panel (4) and the angle control panel (9) Fastening wires or ropes along each of the through holes 7a, 7b, 7c perforated in the center portions of the side plates 6a, 6b, 6c, 6d, 6e, and 6f. 8) by tightening the outer circumferential surface of the outer formwork (3) assembled in a cylindrical shape and tightening to tighten the prefabricated formwork (1) Manhole Usage of prefabricated mold for making which comprises.

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