KR102436717B1 - A method for manufacturing a perforated pipe with improved natural drainage function and a perforated pipe manufactured by the method - Google Patents

A method for manufacturing a perforated pipe with improved natural drainage function and a perforated pipe manufactured by the method Download PDF

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KR102436717B1
KR102436717B1 KR1020220036991A KR20220036991A KR102436717B1 KR 102436717 B1 KR102436717 B1 KR 102436717B1 KR 1020220036991 A KR1020220036991 A KR 1020220036991A KR 20220036991 A KR20220036991 A KR 20220036991A KR 102436717 B1 KR102436717 B1 KR 102436717B1
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South Korea
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perforated
perforated pipe
manufacturing
inclined surface
fluid
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KR1020220036991A
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Korean (ko)
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최종준
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최종준
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
    • B21D13/045—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling the corrugations being parallel to the feeding movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • F16L9/06—Corrugated pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure

Abstract

The present invention relates to a manufacturing method for a perforated pipe with directivity of an improved natural drainage function and a perforated pipe manufactured by the same. The perforated pipe has an improved structure to have directivity according to construction while a pore is arranged on an upwardly inclined surface rubbed with a fluid in a fluid flow direction in the perforated pipe. The fluid is compulsorily drained through the pore while the fluid collides with the upwardly inclined surface. Therefore, a natural drainage effect is improved. When a water level is low in the perforated pipe, the fluid remaining in a spiral groove is naturally drained through the pore to be clean so that bad odor and inhabitation of a harmful insect due to stagnant water are prevented. To achieve the purpose of the present invention, the manufacturing method for a perforated pipe includes a press step (S10), a rolling forming step (S20), and a spiral step (S30).

Description

자연배수 기능이 개선된 방향성을 가진 유공관 제조방법 및 이의 방법으로 제조된 유공관 {A method for manufacturing a perforated pipe with improved natural drainage function and a perforated pipe manufactured by the method}{A method for manufacturing a perforated pipe with improved natural drainage function and a perforated pipe manufactured by the method}

본 발명은 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법 및 이의 방법으로 제조된 유공관에 관련되며, 보다 상세하게는 유공관 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면에 유공이 배치되면서 유공관이 시공에 따른 방향성을 가지도록 구조 개선되어, 유체가 상향 경사면과 충돌되는 중에 유공을 통하여 강제 배수되므로 자연배수효율이 향상되고, 유공관 내에 수위가 낮은 경우, 나선형 골에 잔류하는 유체가 유공을 통하여 깨끗하게 자연 배수되어 고인물로 인한 악취, 해충서식을 방지할 수 있는 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법 및 이의 방법으로 제조된 유공관에 관한 것이다.The present invention relates to a method for manufacturing a perforated pipe having an improved natural drainage function and a perforated pipe manufactured by the method, and more particularly, based on the flow direction of the fluid in the perforated pipe, the perforated surface is disposed on an upward slope in friction with the fluid. The structure of the perforated pipe is improved to have a direction according to construction, and the fluid is forced to drain through the perforation while it collides with the upward slope, so the natural drainage efficiency is improved. It relates to a method for manufacturing a perforated pipe having an improved natural drainage function that can be naturally drained through clean water to prevent odor and pest growth caused by stagnant water, and a perforated pipe manufactured by the method.

일반적으로 유공관은 파이프 몸체에 형성된 다수개의 통공이 형성되고, 지중에 매립되어 통공을 통하여 파이프 내, 외측으로 유체가 이동할 수 있게 형성된 것으로, 운동장, 골프장, 스키장, 택지조성 등의 일반 토목용 지하설치 배수관, 도로, 철로 지반의 우수 및 지하수 처리 배수관 터널 측벽 및 배면 배수관, 벽면 보호용 배수관 등에 널이 이용되고 있다.In general, a perforated pipe is formed with a plurality of through holes formed in the pipe body, and is buried in the ground so that the fluid can move in and out of the pipe through the through holes. Drainage pipe, road, railroad, rainwater and underground water treatment drain pipe Tunnel side wall and back drain pipe, and the board is used for wall protection drain pipe.

하지만, 유공관이 아주 약한 충격에도 쉽게 뒤틀리고 굽혀지는 등의 손상이 발생되므로 시공시의 많은 문제점과 부작용이 빈번하게 발생하고 유지보수에 많은 시간과 인력이 낭비되는 실정이다.However, since the perforated tube is easily twisted and bent even with a very weak impact, many problems and side effects occur frequently during construction, and a lot of time and manpower is wasted in maintenance.

이에 종래에 개시된 등록특허 10-2106916호에서, 몸체부의 좌측부분에 해당하며 내부와 외부와 연통되도록 천공된 다수의 통공이 형성된 유공부와; 상기 몸체부의 우측부분에 해당하며 스파이럴 감김동작시 상기 유공부보다 더 큰 지름을 갖도록 상기 유공부로부터 단차지게 형성된 덮개부와; 상기 덮개부와 유공부의 측단 테두리에 서로 상반된 방향으로 대칭되도록 절곡된 제1,2절곡단;을 구비하여서, 스파이럴 감김동작시 상기 덮개부와 유공부가 번갈아 배치되며, 상기 덮개부가 유공부의 상측에서 길이방향으로 슬라이딩동작되어 전체 길이가 신축동작되는 기술이 선 제시된 바 있다.Accordingly, in Patent No. 10-2106916 disclosed in the prior art, a perforated portion corresponding to the left portion of the body portion and formed with a plurality of through holes perforated to communicate with the inside and the outside; a cover portion corresponding to the right side of the body portion and formed to be stepped from the perforated portion to have a larger diameter than the perforated portion during a spiral winding operation; and first and second bent ends bent so as to be symmetrically opposite to each other on the edge of the side end of the cover portion and the perforated portion, so that the cover portion and the perforated portion are alternately disposed during the spiral winding operation, and the cover portion of the perforated portion A technique in which the entire length is stretched and contracted by sliding in the longitudinal direction from the upper side has been previously presented.

그러나, 상기 종래기술은 통공이 천공된 유공부의 상측에서 덮개부를 슬라이딩 이동시켜 길이방향으로 신축동작시 배수성을 향상시키려는 것이나, 스파이럴 성형에 의해 폭방향 양측 단부가 서로 중첩되도록 맞물려 유동가능하게 연결되는 구조적 특성상 내구성이 취약하여 고하중에 견디지 못하고, 특히 통공이 형성되는 유공관의 유공부가 수평판으로 형성되어 유공관 내측에서 침적물에 의해 쉽게 막히고, 또, 유공관을 타고 이송되는 유체(물)의 자연배수 효과를 기대하기 어려운 문제점이 따랐다.However, the prior art is to improve drainage during expansion and contraction in the longitudinal direction by sliding the cover on the upper side of the perforated perforated part, but by spiral molding, both ends in the width direction are interlocked to overlap each other and flowably connected Due to its structural characteristics, the durability is weak, so it cannot withstand high loads. In particular, the perforated part of the perforated pipe where the through hole is formed is formed as a horizontal plate, so it is easily clogged by the sediment inside the perforated pipe, and the natural drainage effect of the fluid (water) transferred through the perforated pipe Problems that were difficult to expect followed.

이에 따라 본 발명은 상기한 문제점을 해결하기 위해 착안 된 것으로서, 유공관 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면에 유공이 배치되면서 유공관이 시공에 따른 방향성을 가지도록 구조 개선되어, 유체가 상향 경사면과 충돌되는 중에 유공을 통하여 강제 배수되므로 자연배수효율이 향상되고, 유공관 내에 수위가 낮은 경우, 나선형 골에 잔류하는 유체가 유공을 통하여 깨끗하게 자연 배수되어 고인물로 인한 악취, 해충서식을 방지할 수 있는 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법을 제공하는 것에 그 목적이 있다.Accordingly, the present invention was conceived to solve the above problems, and the structure is improved so that the perforated pipe has a direction according to construction while the perforated pipe is disposed on an upwardly inclined surface that rubs with the fluid based on the fluid flow direction in the perforated pipe. The natural drainage efficiency is improved because it is forced to drain through the hole while collides with the upward slope, and when the water level in the perforated pipe is low, the fluid remaining in the spiral valley is naturally drained cleanly through the hole to prevent odor and pest infestation caused by stagnant water. An object of the present invention is to provide a method for manufacturing a perforated pipe having improved directivity with natural drainage function.

이러한 목적을 달성하기 위해 본 발명의 특징은, 강판(10)에 소정의 간격으로 유공(110)을 형성하여 유공판(100)을 제조하는 프레스단계(S10); 상기 유공판(100)을 단계적으로 가압 성형하여, 상, 하향 경사면(121)(122)이 반복되면서 상, 하사점(123)(124)을 가지는 사인파형 파형부(120)와, 폭방향 양단부에 내, 외향 절곡부(130)(140)를 성형하는 롤링성형단계(S20); 상기 유공판(100)을 나선형으로 성형하면서 이웃하는 내, 외향 절곡부(130)(140)가 서로 결속되어 연결띠(210)를 형성하고, 파형부(120)에 의해 나선형 골(220)이 형성되는 유공관(200)을 제조하는 스파이럴단계(S30);를 포함하고, 상기 유공관(200) 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면(121)에 유공(110)이 배치되는 것을 특징으로 한다.In order to achieve this object, a feature of the present invention is a pressing step (S10) of forming the perforated plate 100 by forming perforated holes 110 in the steel plate 10 at predetermined intervals; By press-molding the perforated plate 100 step by step, the upper and lower inclined surfaces 121 and 122 are repeated while a sinusoidal wave part 120 having upper and lower dead points 123 and 124, and both ends in the width direction Rolling forming step (S20) of forming the inner and outward bent portions 130, 140; While forming the perforated plate 100 in a spiral, adjacent inward and outward bending portions 130 and 140 are bound to each other to form a connecting band 210 , and the spiral valley 220 is formed by the corrugated portion 120 . A spiral step (S30) of manufacturing the formed perforated pipe 200; and, based on the fluid flow direction in the perforated pipe 200, the perforated 110 is disposed on the upwardly inclined surface 121 in friction with the fluid. characterized.

이때, 상기 프레스단계(S10)에서, 강판(10)은 상, 하향 경사면(121)(122)이 접하는 가상의 경계라인(L)을 기준으로 절곡되고, 상기 유공(110)은 상향 경사면(121)과 대응하는 경계라인(L) 사이 영역에 배치되며, 상기 유공관(200)을 타고 이송되는 유체는 상향 경사면(121)에 마찰되면서 유공(110)을 통하여 유공관(200) 외부로 강제 배수되도록 구비되는 것을 특징으로 한다.At this time, in the pressing step (S10), the steel plate 10 is bent based on an imaginary boundary line L where the upper and lower inclined surfaces 121 and 122 are in contact, and the hole 110 is an upward inclined surface 121 . ) and the corresponding boundary line (L), and the fluid transported through the perforated pipe 200 is forcibly drained out of the perforated pipe 200 through the perforated pipe 110 while rubbing against the upwardly inclined surface 121 characterized by being

또한, 상기 유공(110) 지름은 이웃하는 경계라인(L) 사이 거리 대비 축소된 사이즈로 형성되고, 상기 유공(110)은 사인파형 파형부(120)의 하사점 측으로 편중되도록 배치되는 것을 특징으로 한다.In addition, the diameter of the hole 110 is formed in a reduced size compared to the distance between the adjacent boundary lines (L), and the hole 110 is arranged to be biased toward the bottom dead center of the sine wave wave part 120, characterized in that do.

또한, 상기 연결띠(210)는 하향 경사면(122)과 대응하는 위치에 형성되는 것을 특징으로 한다.In addition, the connection band 210 is characterized in that it is formed at a position corresponding to the downward inclined surface (122).

또한, 상기 나선형 골(220)은 유공관(200) 외경 지름 기준 4~5%에 해당하는 깊이로 형성되는 것을 특징으로 한다.In addition, the spiral trough 220 is characterized in that it is formed to a depth corresponding to 4 to 5% of the outer diameter of the perforated pipe 200 .

그리고, 본 발명에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법으로 제조된 유공관은, 유공(110)이 유공관(200)의 일측 경사면에 방향성을 가지도록 형성되는 것을 특징으로 한다.In addition, the perforated pipe manufactured by the method for manufacturing a perforated pipe with improved directivity according to the present invention is characterized in that the perforated 110 is formed so as to have a directionality on one inclined surface of the perforated pipe 200 .

이상의 구성 및 작용에 의하면, 본 발명은 유공관 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면에 유공이 배치되면서 유공관이 시공에 따른 방향성을 가지도록 구조 개선되어, 유체가 상향 경사면과 충돌되는 중에 유공을 통하여 강제 배수되므로 자연배수효율이 향상되고, 유공관 내에 수위가 낮은 경우, 나선형 골에 잔류하는 유체가 유공을 통하여 깨끗하게 자연 배수되어 고인물로 인한 악취, 해충서식을 방지할 수 있는 효과가 있다.According to the above configuration and action, the present invention is structurally improved so that the perforated pipe has a direction according to construction while the perforated pipe is disposed on an upwardly inclined surface that rubs against the fluid based on the fluid flow direction in the perforated pipe, so that the fluid collides with the upwardly inclined surface. The natural drainage efficiency is improved because it is forcibly drained through the hole during the process, and when the water level in the hole is low, the fluid remaining in the spiral valley is naturally drained cleanly through the hole, which has the effect of preventing odor and pest infestation caused by stagnant water. .

도 1은 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법을 개략적으로 나타내는 순서도.
도 2는 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법을 개략적으로 나타내는 구성도.
도 3은 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법의 유공 배치상태를 나타내는 구성도.
도 4는 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법으로 제조된 유공관의 시공상태를 나타내는 구성도.1 is a flow chart schematically showing a method for manufacturing a perforated pipe having an improved natural drainage function according to an embodiment of the present invention.
Figure 2 is a configuration diagram schematically showing a method for manufacturing a perforated pipe having an improved natural drainage function according to an embodiment of the present invention.
Figure 3 is a configuration diagram showing the configuration of the hole arrangement of the perforated pipe manufacturing method having an improved natural drainage function according to an embodiment of the present invention.
4 is a configuration diagram showing a construction state of a perforated pipe manufactured by a method for manufacturing a perforated pipe having an improved natural drainage function according to an embodiment of the present invention;

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법을 개략적으로 나타내는 순서도이고, 도 2는 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진유공관 제조방법을 개략적으로 나타내는 구성도이며, 도 3은 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법의 유공 배치상태를 나타내는 구성도이고, 도 4는 본 발명의 일실시예에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법으로 제조된 유공관의 시공상태를 나타내는 구성도이다.1 is a flowchart schematically illustrating a method for manufacturing a perforated pipe having an improved directivity with a natural drainage function according to an embodiment of the present invention, and FIG. 2 is a natural drainage function having improved directionality according to an embodiment of the present invention. It is a block diagram schematically showing a method for manufacturing a perforated pipe, and FIG. 3 is a block diagram showing a configuration of a perforated tube manufacturing method having an improved directivity with a natural drainage function according to an embodiment of the present invention, and FIG. 4 is a configuration diagram of the present invention It is a configuration diagram showing the construction state of a perforated pipe manufactured by a method for manufacturing a perforated pipe having an improved directivity with a natural drainage function according to an embodiment.

본 발명은 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법 및 이의 방법으로 제조된 유공관에 관련되며, 이때 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법 및 이의 방법으로 제조된 유공관은 유공관 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면에 유공이 배치되면서 유공관이 시공에 따른 방향성을 가지도록 구조 개선되어, 유체가 상향 경사면과 충돌되는 중에 유공을 통하여 강제 배수되므로 자연배수효율이 향상되고, 유공관 내에 수위가 낮은 경우, 나선형 골에 잔류하는 유체가 유공을 통하여 깨끗하게 자연 배수되어 고인물로 인한 악취, 해충서식을 방지할 수 있도록 프레스단계(S10), 롤링성형단계(S20), 스파이럴단계(S30)를 포함하여 주요 구성으로 한다.The present invention relates to a method for manufacturing a perforated pipe having an improved natural drainage function and a perforated pipe manufactured by the method, wherein the method for manufacturing a perforated pipe having an improved natural drainage function and a perforated pipe having an improved directionality and the perforated pipe manufactured by the method are fluid in the perforated pipe Based on the flow direction, the structure is improved so that the perforated pipe has a direction according to construction while the perforated pipe is disposed on the upward inclined surface that rubs against the fluid. , when the water level in the perforated pipe is low, the fluid remaining in the spiral valley is naturally drained cleanly through the perforations to prevent odors and insect infestation caused by stagnant water. Press step (S10), rolling forming step (S20), spiral step ( S30) including the main configuration.

1. 프레스단계(S10)1. Press step (S10)

본 발명에 따른 프레스단계(S10)는, 강판(10)에 소정의 간격으로 유공(110)을 형성하여 유공판(100)을 제조하는 단계이다.The pressing step (S10) according to the present invention is a step of manufacturing the perforated plate 100 by forming the perforated holes 110 in the steel plate 10 at predetermined intervals.

상기 강판(10)은 롤형태로 권취되고, 피딩기에 의해 프레스장치로 간헐이송되면서 유공(110)이 타공되도록 구비된다.The steel plate 10 is wound in the form of a roll and is intermittently transferred to the press device by a feeding machine so that the perforated hole 110 is perforated.

이때, 상기 유공(110)은 강판(10) 폭 및 길이방향으로 이격 배치되고, 강판(10) 폭방향으로 배치되는 유공(110)은 후술하는 상향 경사면(121)과 대응하는 영역에 형성된다.In this case, the holes 110 are spaced apart in the width and length directions of the steel plate 10, and the holes 110 arranged in the width direction of the steel plate 10 are formed in a region corresponding to the upward inclined surface 121 to be described later.

그리고, 상기 프레스단계(S10)에서, 강판(10)은 후술하는 상, 하향 경사면(121)(122)이 접하는 가상의 경계라인(L)을 기준으로 절곡되고, 상기 유공(110)은 상향 경사면(121)과 대응하는 경계라인(L) 사이 영역에 배치된다.And, in the pressing step (S10), the steel plate 10 is bent based on an imaginary boundary line (L) in contact with upper and lower inclined surfaces 121 and 122 to be described later, and the hole 110 is an upward inclined surface. (121) and the corresponding boundary line (L) is disposed in the region.

즉, 상기 유공(110)은 후술하는 유공관(200) 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면(121)에 유공(110)이 배치된다.That is, the hole 110 is disposed on the upwardly inclined surface 121 that rubs against the fluid based on the fluid flow direction in the hole tube 200 to be described later.

이에 도 4와 같이 상기 유공관(200)을 타고 이송되는 유체는 상향 경사면(121)에 마찰되면서 유공(110)을 통하여 유공관(200) 외부로 강제 배수되면서 자연배수율이 향상된다.Accordingly, as shown in FIG. 4 , the fluid transferred through the perforated pipe 200 is forcibly drained to the outside of the perforated pipe 200 through the perforated pipe 110 while rubbing against the upward inclined surface 121 , thereby improving the natural drainage rate.

도 3에서, 상기 유공(110) 지름은 이웃하는 경계라인(L) 사이 거리 대비 축소된 사이즈로 형성되고, 상기 유공(110)은 사인파형 파형부(120)의 하사점 측으로 편중되도록 배치된다.In FIG. 3 , the diameter of the hole 110 is reduced compared to the distance between the adjacent boundary lines L, and the hole 110 is arranged to be biased toward the bottom dead center of the sine wave wave part 120 .

이에 상기 유공관(200) 내에 유체 수위가 낮아서 내측 나선형 골(220)에 유체가 고인상태로 흐름이 정지되는 경우, 유공관(200) 바닥측으로 편중 배치되는 유공(110)에 의해 깨끗하게 자연 배수되므로, 고인물의 변질로 인한 악취발생이 방지되고, 모기유충 등의 서식공간을 미연에 제거할 수 있다.Accordingly, when the fluid level in the perforated pipe 200 is low and the flow is stopped while the fluid is stagnant in the inner spiral valley 220, the perforated pipe 200 is naturally drained cleanly by the perforated hole 110 that is biased toward the bottom side, so stagnant water It is possible to prevent the occurrence of bad odors due to the deterioration of the plant, and to remove the habitat of mosquito larvae in advance.

2. 롤링성형단계(S20)2. Rolling forming step (S20)

본 발명에 따른 롤링성형단계(S20)는, 상기 유공판(100)을 단계적으로 가압 성형하여, 상, 하향 경사면(121)(122)이 반복되면서 상, 하사점(123)(124)을 가지는 사인파형 파형부(120)와, 폭방향 양단부에 내, 외향 절곡부(130)(140)를 성형하는 단계이다.In the rolling forming step (S20) according to the present invention, the perforated plate 100 is press-molded in stages, and the upper and lower inclined surfaces 121 and 122 are repeated while having upper and lower dead points 123 and 124. This is a step of forming the sinusoidal wave portion 120 and the inwardly and outwardly bent portions 130 and 140 at both ends in the width direction.

상기 유공판(100)은 복수의 성형롤러가 연속 배치되는 성형장치로 투입되어, 단계적으로 성형되도록 구비된다.The perforated plate 100 is fed into a forming apparatus in which a plurality of forming rollers are continuously arranged, and is provided to be formed step by step.

그리고, 도 2(c)처럼 상기 사인파형 파형부(120)의 상향 경사면(121)에 유공(110)이 배치되고, 이때 상향 경사면(121)은 유체흐름방향과 마찰되는 측 경사면을 일컫는다.And, as shown in Fig. 2(c), the hole 110 is disposed on the upwardly inclined surface 121 of the sinusoidal wave part 120, and in this case, the upwardly inclined surface 121 refers to a side inclined surface that rubs against the fluid flow direction.

이때, 상기 사인파형 파형부(120)은 유공관(200)의 나선형 골(220)을 형성하고, 상기 내, 외향 절곡부(130)(140)는 서로 결속되어 연결띠(210)를 형성하게 된다. At this time, the sinusoidal wave portion 120 forms a spiral valley 220 of the perforated tube 200 , and the inward and outward bent portions 130 and 140 are bound to each other to form a connecting band 210 . .

3. 스파이럴단계(S30)3. Spiral step (S30)

본 발명에 따른 스파이럴단계(S30)는 상기 유공판(100)을 나선형으로 성형하면서 이웃하는 내, 외향 절곡부(130)(140)가 서로 결속되어 연결띠(210)를 형성하고, 파형부(120)에 의해 나선형 골(220)이 형성되는 유공관(200)을 제조하는 단계이다.In the spiral step (S30) according to the present invention, while forming the perforated plate 100 in a spiral, the adjacent inward and outward bent portions 130 and 140 are bound to each other to form a connecting band 210, and a corrugated portion ( 120) is a step of manufacturing the perforated pipe 200 in which the spiral valley 220 is formed.

즉, 상기 유공판(100)을 나선형으로 성형함과 동시에 이웃하는 내, 외향 절곡부(130)(140)를 중첩시킨 상태로 압착 성형하여 연결하므로 나선형 골(220)이 형성되는 유공관(200)이 연속 제조되고, 상향 경사면(121)과 대응하는 위치에 유공(110)이 배치된다.That is, since the perforated plate 100 is formed in a spiral and at the same time adjacent inward and outward bent portions 130 and 140 are overlapped and connected by compression molding, the helical trough 220 is formed. This is continuously manufactured, and the hole 110 is disposed at a position corresponding to the upward inclined surface 121 .

그리고, 상기 연결띠(210)는 하향 경사면(122)과 대응하는 위치에 형성되어, 유공관(200)으로 가하지는 하중에 연결띠(210)가 직접적으로 노출되지 않도록 구비된다.In addition, the connecting band 210 is formed at a position corresponding to the downward inclined surface 122 , so that the connecting band 210 is not directly exposed to the load applied to the perforated pipe 200 .

또한, 상기 나선형 골(220)은 유공관(200) 외경 지름 기준 4~5%에 해당하는 깊이로 형성됨에 따라 나선형 골(220)에 의한 유공관(200) 내구성이 향상된다. 여기서 나선형 골(220)을 형성하는 나사산의 피치는 30~50mm로 형성되는 것이 바람직하다.In addition, as the helical trough 220 is formed to a depth corresponding to 4 to 5% of the outer diameter of the perforated pipe 200 , the durability of the perforated pipe 200 is improved by the helical trough 220 . Here, the pitch of the threads forming the helical valley 220 is preferably formed to be 30-50 mm.

이때, 상기 나선형 골(220) 깊이가 유공관(200) 외경 지름 기준 4% 미만이면 나선형 골(220)에 의한 유공관(200) 내구성이 저하되고, 5%를 초과하면 유공관(200) 내경이 축소되어 유체 이동을 방해하는 요소로 작용하게 된다.At this time, if the depth of the helical trough 220 is less than 4% based on the outer diameter of the perforated pipe 200, the durability of the perforated pipe 200 due to the helical trough 220 is reduced, and if it exceeds 5%, the internal diameter of the perforated pipe 200 is reduced. It acts as a factor that impedes fluid movement.

이처럼 상기 유공관(200) 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면(121)에 유공(110)이 배치되면서 유공관(200)이 시공에 따른 방향성을 가지도록 구조 개선되어, 유체가 상향 경사면(121)과 충돌되는 중에 유공(110)을 통하여 강제 배수되므로 자연배수율이 향상되고, 유공관(200) 내에 수위가 낮은 경우, 나선형 골(220)에 잔류하는 유체가 유공을 통하여 깨끗하게 자연 배수되어 고인물로 인한 악취, 해충서식을 방지할 수 있는 이점이 있다. As such, based on the direction of fluid flow in the perforated tube 200, the perforated tube 200 is structurally improved so that the perforated tube 200 has a direction according to construction while the perforated 110 is disposed on the upwardly inclined surface 121 that rubs against the fluid, so that the fluid flows upward. Since it is forcibly drained through the hole 110 during collision with the inclined surface 121, the natural drainage rate is improved, and when the water level in the hole pipe 200 is low, the fluid remaining in the spiral valley 220 is naturally drained cleanly through the hole It has the advantage of preventing odors and pest infestation caused by stagnant water.

그리고, 본 발명에 따른 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법으로 제조된 유공관은, 유공(110)이 유공관(200)의 일측 경사면에 방향성을 가지도록 형성되는 바, 즉, 유체 흐름방향과 대응하는 경사면에 유공(110)이 형성되고, 이에 따른 유공관(200)의 상세한 구성은 상기 유공관 제조방법의 설명을 참조한다.And, the perforated pipe manufactured by the perforated pipe manufacturing method with improved directivity according to the present invention is formed such that the perforated 110 has a directionality on one inclined surface of the perforated pipe 200, that is, the fluid flow direction. The hole 110 is formed in the inclined surface corresponding to the , and the detailed configuration of the perforated tube 200 according to this refers to the description of the method for manufacturing the perforated tube.

10: 강판
100: 유공판 110: 유공
120: 사인파형 파형부 130: 내향 절곡부
140: 외향 절곡부
200: 유공관 210: 연결띠
220: 나선형 골10: steel plate
100: perforated plate 110: perforated
120: sinusoidal wave part 130: inward bending part
140: outward bend
200: perforated pipe 210: connecting band
220: spiral trough

Claims (6)

강판(10)에 소정의 간격으로 유공(110)을 형성하여 유공판(100)을 제조하는 프레스단계(S10);
상기 유공판(100)을 단계적으로 가압 성형하여, 상, 하향 경사면(121)(122)이 반복되면서 상, 하사점(123)(124)을 가지는 사인파형 파형부(120)와, 폭방향 양단부에 내, 외향 절곡부(130)(140)를 성형하는 롤링성형단계(S20);
상기 유공판(100)을 나선형으로 성형하면서 이웃하는 내, 외향 절곡부(130)(140)가 서로 결속되어 연결띠(210)를 형성하고, 파형부(120)에 의해 나선형 골(220)이 형성되는 유공관(200)을 제조하는 스파이럴단계(S30);를 포함하고,
상기 유공관(200) 내에 유체 흐름 방향을 기준으로, 유체와 마찰되는 상향 경사면(121)에 유공(110)이 배치되고,
상기 프레스단계(S10)에서, 강판(10)은 상, 하향 경사면(121)(122)이 접하는 가상의 경계라인(L)을 기준으로 절곡되고, 상기 유공(110)은 상향 경사면(121)과 대응하는 경계라인(L) 사이 영역에 배치되며,
상기 유공관(200)을 타고 이송되는 유체는 상향 경사면(121)에 마찰되면서 유공(110)을 통하여 유공관(200) 외부로 강제 배수되도록 구비되고,
상기 유공(110) 지름은 이웃하는 경계라인(L) 사이 거리 대비 축소된 사이즈로 형성되고, 상기 유공(110)은 사인파형 파형부(120)의 하사점 측으로 편중되도록 배치되는 것을 특징으로 하는 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법.A pressing step (S10) of forming the perforated plate (100) by forming the perforated (110) in the steel plate (10) at predetermined intervals (S10);
By press-molding the perforated plate 100 step by step, the upper and lower inclined surfaces 121 and 122 are repeated while a sinusoidal wave part 120 having upper and lower dead points 123 and 124, and both ends in the width direction Rolling forming step (S20) of forming the inner and outward bent portions 130, 140;
While forming the perforated plate 100 in a spiral, adjacent inward and outward bending portions 130 and 140 are bound to each other to form a connecting band 210 , and the spiral valley 220 is formed by the corrugated portion 120 . Including; a spiral step (S30) of manufacturing the formed perforated tube 200;
Based on the fluid flow direction in the perforated pipe 200, the perforated 110 is disposed on the upwardly inclined surface 121 that rubs against the fluid,
In the pressing step (S10), the steel plate 10 is bent based on an imaginary boundary line L where the upper and lower inclined surfaces 121 and 122 are in contact, and the hole 110 is formed with an upward inclined surface 121 and It is disposed in the area between the corresponding boundary lines (L),
The fluid transferred through the perforated pipe 200 is provided to be forcibly drained to the outside of the perforated pipe 200 through the perforated pipe 110 while rubbing against the upward inclined surface 121,
The diameter of the hole 110 is formed in a reduced size compared to the distance between the neighboring boundary lines (L), and the hole 110 is arranged to be biased toward the bottom dead center of the sine wave wave part 120. Nature, characterized in that A method for manufacturing a perforated pipe with improved drainage function. 삭제delete 삭제delete 제 1항에 있어서,
상기 연결띠(210)는 하향 경사면(122)과 대응하는 위치에 형성되는 것을 특징으로 하는 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법.The method of claim 1,
The connection band 210 is a perforated pipe manufacturing method with improved natural drainage function, characterized in that it is formed at a position corresponding to the downward inclined surface (122). 제 1항에 있어서,
상기 나선형 골(220)은 유공관(200) 외경 지름 기준 4~5%에 해당하는 깊이로 형성되는 것을 특징으로 하는 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법.The method of claim 1,
The spiral trough 220 is a perforated pipe manufacturing method with improved natural drainage function, characterized in that it is formed to a depth corresponding to 4 to 5% of the outer diameter of the perforated pipe 200. 제 1항, 제 4항, 제 5항 중 어느 한 항의 유공관 제조방법으로 제조되어, 유공(110)이 유공관(200)의 일측 경사면에 방향성을 가지도록 형성되는 것을 특징으로 하는 자연배수 기능이 개선된 방향성을 가진 유공관 제조방법으로 제조된 유공관.The natural drainage function is improved, characterized in that it is manufactured by the method for manufacturing the perforated pipe of any one of claims 1, 4, and 5, and the perforated 110 is formed to have a directionality on one inclined surface of the perforated pipe 200 A perforated tube manufactured by a perforated tube manufacturing method with
KR1020220036991A 2022-03-25 2022-03-25 A method for manufacturing a perforated pipe with improved natural drainage function and a perforated pipe manufactured by the method KR102436717B1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6453710B1 (en) * 1999-09-06 2002-09-24 Lindab Ab Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles
KR200416537Y1 (en) * 2006-02-22 2006-05-16 주식회사 준건설 Spiral pipe for drain
KR100709967B1 (en) * 2004-12-21 2007-04-25 주식회사 픽슨 Waveform half perforated drain pipe subject tub method
KR20100067476A (en) * 2008-12-11 2010-06-21 주식회사서인산업 Gyre drain-pipe
KR101172220B1 (en) * 2001-03-12 2012-08-07 토타쿠 고교 가부시키가이샤 Perforated tube, apparatus and method for making the same
KR102229304B1 (en) * 2020-08-06 2021-03-18 주식회사 천일공조 Method for manufacturing a spiral corrugated steel pipe drain pipe in which a zinc film is formed on the inner wall of a perforated catchment hole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6453710B1 (en) * 1999-09-06 2002-09-24 Lindab Ab Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles
KR101172220B1 (en) * 2001-03-12 2012-08-07 토타쿠 고교 가부시키가이샤 Perforated tube, apparatus and method for making the same
KR100709967B1 (en) * 2004-12-21 2007-04-25 주식회사 픽슨 Waveform half perforated drain pipe subject tub method
KR200416537Y1 (en) * 2006-02-22 2006-05-16 주식회사 준건설 Spiral pipe for drain
KR20100067476A (en) * 2008-12-11 2010-06-21 주식회사서인산업 Gyre drain-pipe
KR102229304B1 (en) * 2020-08-06 2021-03-18 주식회사 천일공조 Method for manufacturing a spiral corrugated steel pipe drain pipe in which a zinc film is formed on the inner wall of a perforated catchment hole

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