KR20100111788A - Injection tube fixing apparatus - Google Patents

Injection tube fixing apparatus Download PDF

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Publication number
KR20100111788A
KR20100111788A KR1020090030162A KR20090030162A KR20100111788A KR 20100111788 A KR20100111788 A KR 20100111788A KR 1020090030162 A KR1020090030162 A KR 1020090030162A KR 20090030162 A KR20090030162 A KR 20090030162A KR 20100111788 A KR20100111788 A KR 20100111788A
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South Korea
Prior art keywords
hinge
injection tube
hole
coupled
locking
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KR1020090030162A
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Korean (ko)
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KR101038744B1 (en
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정의중
임사인
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주식회사 성우지오텍
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Priority to KR1020090030162A priority Critical patent/KR101038744B1/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/60—Piles with protecting cases
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
    • E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/14—Geometrical or physical properties resilient or elastic
    • E02D2200/146—Springs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/15—Geometrical or physical properties including at least a hinge

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

PURPOSE: An injection tube fixing apparatus is provided to completely and rapidly perform a pre-grouting work for the formation of a bulb formed on the ground. CONSTITUTION: An injection tube fixing apparatus comprises a body(10) and a hooking wing(20). The head unit is formed at the leading end of the body and a binding part(12) coupled with the leading end of the injection pipe is formed at the rear end thereof. A wing coupling recess(13) with a hinge-coupling groove(13a) is formed between the head unit and the joint part of the body. The rear end of the hooking wing is hinge-coupled with the hinge-coupling groove of the wing coupling recess.

Description

주입관 고정장치{injection tube fixing apparatus}Injection tube fixing apparatus

본 발명은 주입관 고정장치에 관한 것으로, 더욱 상세하게는 누수량이 많은 등의 여러가지 원인에 의한 지반붕괴 우려 지반(연약지반)에서 프리 그라우팅 작업을 하고자 할때 그라우재 주입용 주입관의 선단에 일체로 고정설치한 상태에서 소정깊이로 천공된 구멍에 삽입된 케이싱내로 주입관을 삽입설치한다음 케이싱을 인발하게 되면 주입관고정장치에 구비된 걸림날개가 축소된 상태에서 확장되면서 선단이 천공구멍 벽면에 박혀 고정됨으로써 케이싱 인발시 주입관이 동시에 외부로 따라 나오는 현상을 근본적으로 방지하여 줄 수 있는 고품질의 고품격의 주입관 고정장치에 관한 것이다.The present invention relates to an injection tube fixing device, and more particularly, to pre-grouting work in ground (soft ground) that is concerned with ground collapse due to various leaks, etc. When the injection tube is inserted into the casing inserted into the hole drilled to the predetermined depth in the fixed installation state, and the casing is pulled out, the distal end of the injection pipe fixing device is expanded and the tip is extended. The present invention relates to a high quality injection tube fixing device capable of fundamentally preventing a phenomenon in which an injection tube follows out at the same time when the casing is drawn out by being fixed to the tube.

일반적으로 누수량이 많거나 지반이 붕적토나 풍화대층으로 이루어져 있는 등의 여러가지 원인에 의한 지반붕괴 우려 지반(연약지반)에는 연약지반을 개량하기 위해서 첨부도면 도1a에 도시된 바와 같이 연약 지반에 천공비트가 장착되는 천공장치(미도시)를 이용하여 소정깊이로 천공작업을 하면서 천공구멍(1)이 막히지 않도록 케이싱(2)을 삽입설치한 다음 도1b에 도시된 바와같이 케이싱(2) 내부로 역류성 방지 주입밸브가 장착된 그라우트재 주입공(미도시)이 구비된 주입관(3)을 삽 입설치하고 도1c에 도시된 바와같이 케이싱(2)을 인발하여 외부로 빼낸 후 도1d에 도시된 바와같이 별도의 마개(4)를 이용하여 천공구멍(1)을 막고 천공구멍(1) 내부로 코킹재(5)를 주입하여 마개(4) 전방부 코킹작업을 완료한 후 도1e에 도시된 바와같이 주입관(3) 내부로 삽입된 주입로드(6)에 구비된 패커(6a)를 팽창시켜 주입관(3) 내면을 밀폐한 후 주입로드(6)로 그라우트재를 소정압력으로 공급하여 주입관(3)에 구비된 주입공(3a)을 통해 그라우트재가 천공구멍(1)에 주입되도록 하는 작업을 수차례 반복하여 지반에 개량된 구근을 형성하는 작업 즉 프리 그라우팅 작업을 하고 있다.In general, the ground (fragile ground), which has a large amount of leaks or the ground is composed of a contaminated soil or a weathered large layer, in order to improve the soft ground, as shown in FIG. Inserting and installing the casing (2) so that the drilling hole (1) is not blocked while drilling to a predetermined depth by using a punching device (not shown) is equipped with a reverse flow property into the casing (2) as shown in Figure 1b Insert and install an injection tube 3 equipped with a grout injection hole (not shown) equipped with an anti-injection valve and draw the casing 2 out to the outside as shown in FIG. As shown in FIG. 1E after closing the perforation hole 1 by using a separate stopper 4 and injecting the caulking material 5 into the perforation hole 1, the caulking operation of the stopper 4 is completed. Shovel into the injection tube (3) as shown The packer 6a provided in the injection rod 6 is expanded to seal the inner surface of the injection tube 3, and then the grout material is supplied to the injection rod 6 at a predetermined pressure to provide an injection hole provided in the injection tube 3. The grouting material is injected into the drilling hole 1 through (3a) several times, and the work of forming the improved bulb in the ground, that is, the pre grouting work is performed.

그런데 이와 같은 작업중 가장 문제점이 되는 것은 도1c에 도시된 바와같이 케이싱(2)을 외부로 빼내기 위해 인발할 때 연약지반이 무너지면서 케이싱(2) 선단을 통해 케이싱(2) 내부와 주입관(3) 외면사이에 누수와 함께 토사 등이 밀려 들어와 막힘(꽉끼임)으로써 케이싱(2) 인발과 동시에 주입관(3)이 같이 외부로 따라 나오는 현상이 자주 발생하였다.By the way, the most problematic of these operations, as shown in Fig. 1c is the soft ground collapses when pulling out the casing (2) to the outside, the casing (2) inside and the injection tube (3) through the tip of the casing (2) ) Soil and water were pushed in and clogged (tightly) between the outer surfaces so that the casing (2) was pulled out and the injection pipe (3) was often poured out together.

이와같이 케이싱(2)과 주입관(3)이 동시에 따라 나오게 되면 지반에 개량된 구근을 형성하는 작업 즉 프리 그라우팅 작업을 할 수 없게 되므로 이때에는 재천공을 한 후 주입관(3)을 다시 삽입설치하는 작업을 반복해야 하므로 작업이 매우 더디게 진행되는 것은 물론, 무엇보다도 재 천공시 전체 지반이 붕괴될 수 도 있는 위험성마저도 뒤따르게 된다.If the casing (2) and the injection tube (3) come out at the same time as described above, the operation of forming the improved bulb on the ground, that is, the pre-grouting operation is not possible. Since the work must be repeated, the work is very slow and, above all, the risk that the entire ground may collapse during re-punching is followed.

따라서, 케이싱(2) 인발과 동시에 주입관(3)이 같이 외부로 따라 나오는 현상을 근본적으로 그리고 비교적 완벽하게 방지하여 줄 수 있는 특수한 고정장치의 안출이 무엇보다도 절실하였다.Therefore, the detention of the special fixing device which can fundamentally and relatively completely prevent the phenomenon in which the injection pipe 3 comes out together at the same time as the drawing of the casing 2 is urgently needed.

본 발명은 상기와 같은 종래의 제반 문제점을 감안하여 안출한 것으로, 그라우재 주입용 주입관의 선단에 결합되는 결합부가 후단에 형성된 몸체에 스프링의 탄발력에 의해 항상 벌어지도록 힌지결합되는 걸림날개가 형성된 주입관고정장치를 만들어 이를 제공함으로써,The present invention has been made in view of the above-mentioned conventional problems, the engaging blade coupled to the front end of the injection pipe for injection of the grout material is hinged to the hinge formed so that the spring is always opened to the body formed at the rear end By making and providing the formed injection tube fixing device,

상기 주입관 고정장치를 주입관 선단에 일체로 고정설치한 상태에서 케이싱내로 삽입설치한 후 케이싱을 인발하면 케이싱내에서는 수축되어 있던 걸림날개의 선단이 케이싱을 벗어남과 동시에 스프링의 탄발력에 의해 외측으로 확장(활짝 벌어짐)되면서 이 걸림날개의 선단이 천공구멍 벽면에 박혀 후방으로 빠지지 않게 고정설치되므로 케이싱 인발시 주입관이 동시에 외부로 따라 나오는 현상이 근본적으로 방지되도록 하여 줌에 그 목적을 둔 것이다.If the injection tube fixing device is fixedly installed at the distal end of the injection tube and then inserted into the casing and the casing is pulled out, the distal end of the latching blade that has been contracted in the casing escapes the casing and is outwardly driven by the spring force. It is aimed at zooming so that the tip of the locking blade is fixed to the wall of the drilled hole so as not to be pulled out backward. .

상기와 같은 목적을 달성하기 위한 본 발명의 주입관 고정장치는 기본적으로 선단에는 헤드부가 형성되고 후단에는 주입관 선단에 결합되는 결합부가 형성되며 헤드부와 결합부 사이에는 힌지결합공이 구비된 날개결합요부가 형성되어진 몸체와,The injection tube fixing device of the present invention for achieving the above object is basically a head portion is formed at the front end and the coupling portion is formed in the rear end is coupled to the injection tube tip and the wing coupling provided with a hinge coupling hole between the head and the coupling portion The body is formed with a recess,

상기 몸체에 형성된 날개결합요부의 힌지결합공에 후단을 힌지결합하여 선단이 힌지를 중심으로 내측으로 오므라지게 결합되어지되 힌지에 동시 결합한 스프링의 탄발력에 의해 선단이 항상 외측으로 벌어진 상태를 유지하도록 결합설치된 걸 림날개를 포함하여 이루어짐에 그 특징이 있다.The rear end is hinged to the hinge coupling hole of the wing coupling recess formed in the body so that the front end is coupled to the inner side around the hinge so that the front end is always opened out by the elasticity of the spring coupled to the hinge at the same time. It is characterized in that it comprises a locking hook coupled to the installation.

본 발명의 주입관 고정장치는 주입관 선단에 일체로 고정설치한 상태에서 케이싱내로 삽입설치한 후 케이싱을 인발하면 케이싱내에서는 수축되어 있던 걸림날개의 선단이 케이싱을 벗어남과 동시에 스프링의 탄발력에 의해 외측으로 확장(활짝 벌어짐)되면서 이 걸림날개의 선단이 천공구멍 벽면에 박혀 후방으로 빠지지 않게 견고히 고정설치되므로 케이싱 인발시 주입관이 동시에 외부로 따라 나오는 현상이 근본적으로 방지되는 잇점이 있다.The injection tube fixing device of the present invention is inserted into the casing in the state fixedly fixed to the tip of the injection tube, and when the casing is drawn out, the tip of the catching blade contracted in the casing escapes from the casing and is applied to the spring force of the spring. By expanding (outwardly wide) by the outside, the tip of the locking blade is firmly installed in the wall of the perforation hole so as not to fall out of the back, so that the casing draws out at the same time, the phenomenon that the injection pipe comes out to the outside is advantageously prevented.

따라서, 케이싱 인발시 케이싱 선단을 통해 케이싱내부와 주입관 외면사이에 누수와 함께 토사 등이 밀려 들어와 막히더라도 절대로 주입관이 케이싱과 같이 빠져 나오는 현상이 전혀 없이 케이싱만을 인발하여 외부로 빼낼 수 있으므로 종래와 같이 주입관이 동시에 외부로 따라나와서 재천공 작업후 주입관을 다시 삽입설치하여야 하는 등의 불편함이 전혀 없이 후작업 즉, 지반에 개량된 구근을 형성하는 프리 그라우팅 작업을 신속하고 완벽하게 진행할 수 있는 등의 여러 가지 효과가 창출되는 매우 획기적인 발명인 것이다.Therefore, when the casing is drawn out, even if soil and sand are pushed through the casing tip and the outside of the inlet tube and the soil is pushed out, the inlet tube can never be pulled out like the casing. As shown in Fig. 1, the injection pipe is simultaneously poured out to the outside, and after the re-perforation operation, the injection pipe must be inserted again and again. It is a very innovative invention that can produce various effects such as.

이하, 본 발명의 일 실시예를 첨부도면에 의거 더욱 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

본 발명의 주입관 고정장치는 첨부도면 도2a 내지 도2d 및 도4에 도시된 바와같이,The injection tube fixing device of the present invention is as shown in the accompanying drawings, Figures 2a to 2d and 4,

선단에는 헤드부(11)가 형성되고 후단에는 주입관(3) 선단에 결합되는 결합 부(12)가 형성되며 헤드부(11)와 결합부(12) 사이에는 힌지결합공(13a)이 구비된 날개결합요부(13)가 형성되어진 진 몸체(10)와,A head portion 11 is formed at the front end, and a coupling part 12 coupled to the tip of the injection tube 3 is formed at the rear end, and a hinge coupling hole 13a is provided between the head part 11 and the coupling part 12. The body 10 and the wing coupling recess 13 is formed,

상기 몸체(10)에 형성된 날개결합요부(13)의 힌지결합공(13a)에 후단이 힌지(21)결합되어지되 힌지(21)에 동시 결합한 스프링(22)의 탄발력에 의해 선단이 외측으로 항상 벌어진 상태를 유지하도록 결합설치된 걸림날개(20)로 이루어진다.The rear end is coupled to the hinge 21 of the hinge coupling hole 13a of the wing coupling recess 13 formed in the body 10, but the front end is outward by the elastic force of the spring 22 coupled to the hinge 21 at the same time. It consists of a locking wing (20) coupled to maintain the open state at all times.

이와같은 구성으로 인해 본 발명의 주입관 고정장치를 주입관(3) 선단에 결합한 상태에서 케이싱(2) 내부로 삽입하면 상기 걸림날개(20)의 선단이 힌지(21)를 중심으로 몸체(10) 내측으로 오므라져 축소되었다가 케이싱(2)으로 부터 벗어나면 축소되어있던 걸림날개(20)가 스프링(22)의 탄발력에 다시 외측으로 활짝 벌어지게 된다.Due to such a configuration, when the injection tube fixing device of the present invention is inserted into the casing 2 in a state in which the injection tube fixing device is coupled to the distal end of the injection tube 3, the distal end of the locking blade 20 is centered around the hinge 21. ) When the inner side is collapsed and shrunk to escape from the casing 2, the latching blade 20 which has been reduced is widened outwardly again by the elastic force of the spring 22.

여기서 상기 걸림날개(20)의 외면에는 돌출걸림턱(20a)이 형성되어 있는데 이 돌출걸림턱(20a)은 걸림날개(20)가 최대한 벌어진 상태가 되면 헤드부(11) 하측 외연에 밀착되어 걸림날개(20)가 더이상 벌어지지 않도록 하는 역활을 하도록 구성된 것이다.Here, the outer surface of the locking blade 20 is formed with a projection locking jaw (20a), the projection locking jaw (20a) is in close contact with the outer edge of the lower portion of the head 11 when the locking blade (20) is as far as possible. It is configured to play a role so that the wings 20 do not open anymore.

한편, 상기 걸림날개(20)의 선단은 단순히 끝이 뾰족하고 날카롭게 형성할 수 도 있는 것은 물론, 도면에 도시된 바와같이 선단 외면에 끝이 뾰족하고 날카로운 걸림돌기(20b)를 별도로 형성하여 구성할 수 도 있다.On the other hand, the tip of the locking blade 20 may be simply formed sharp and sharp end, as shown in the figure is formed by separately forming a sharp and sharp locking protrusion 20b on the outer surface of the tip as shown in the figure Can also be.

또한, 첨부도면 도3a 도3b 및 도5에 도시된 바와같이 상기 걸림날개(20)의 선단에 힌지결합공(20c)을 형성하고 이에 걸림돌기(30a)가 외면에 형성된 별도의 회동걸림구(30)를 힌지(31) 결합하여 구성할 수 도 있는데 이때, 상기 힌지결합 공(20c)을 외측으로 경사진 경사장공으로 형성하여 힌지(31) 결합된 회동걸림구(30)가 경사장공으로 형성된 힌지결합공(20c)을 따라 위치변위가 가능하게 구성할 수 도 있다.In addition, as shown in Figures 3a and 3b and 5 of the accompanying drawings, a hinge engaging hole 20c is formed at the tip of the locking blade 20, and the locking projection 30a is formed on a separate rotation locking hole ( 30 may be configured by combining the hinge 31. At this time, the hinge engaging ball 20c is formed as an inclined long hole inclined outward so that the hinged engaging hole 30 coupled to the hinge 31 is formed as an inclined long hole. Positional displacement may be configured along the hinge coupling hole (20c).

여기서, 힌지(31)는 힌지결합공(20c)에서 빠져 이탈되지 못하도록 힌지(31) 끝부분에 고정핀이나 E링과 같은 결속구(미도시)를 결합하여야 할 것이나 본 발명에서는 경사장공으로 형성된 힌지결합공(20c)의 보이지 않을 것 같아 이들 결속구에 대해서는 생략하였다.Here, the hinge 31 is to be coupled to the binding hole (not shown) such as a fixing pin or E-ring to the end of the hinge 31 so as not to escape from the hinge coupling hole (20c) formed in the inclined long hole in the present invention Since the hinge coupling hole 20c was not seen, these binding spheres were omitted.

상기 미설명 부호14는 밀폐패킹이다.Reference numeral 14 is a sealed seal.

본 발명은 상기 실시예에 의해 결코 한정되는 것이 아닌 것으로 몸체(10)나 걸림날개(20) 그리고 걸림날개(20)의 선단에 일체로 형성된 걸림돌기(20b) 또는 별도로 힌지(31) 결합된 회동걸림구(30) 등의 형태나 크기, 길이는 다양하게 변형가능하다.The present invention is not limited in any way by the above embodiment, the locking projection 20b formed integrally with the front end of the body 10 or the locking blade 20 and the locking blade 20 or the hinge 31 is coupled to rotate separately The shape, size, and length of the catch 30 and the like can be variously modified.

상기와 같이 구성된 본 발명 주입관 고정장치의 사용상태를 설명한다.It describes the state of use of the injection tube fixing device of the present invention configured as described above.

본 발명 주입관 고정장치의 몸체(10) 후단에 형성된 결합부(12)를 주입관(3)의 선단에 결합한다음 나사(15)체결하여 빠지지 않도록 한다.The coupling part 12 formed at the rear end of the body 10 of the injection tube fixing device of the present invention is coupled to the tip of the injection tube 3 and then screwed to prevent the screw 15 from coming off.

이와 같이 하여 본 발명의 주입관 고정장치가 주입관(3)의 선단에 고정설치되면 이 주입관(3)을 연약 지반에 천공작업을 하면서 천공구멍(1)이 막히지 않도록 천공구멍(1)에 삽입된 케이싱(2) 내부로 삽입한다.In this way, when the injection tube fixing device of the present invention is fixedly installed at the tip of the injection tube 3, the injection tube 3 is drilled into the soft ground while the drilling hole 1 is not blocked. Insert into the inserted casing (2).

그러면 상기 걸림날개(20)의 선단이 케이싱(2) 내면에 의해 눌려지므로 걸림날개(20)의 선단이 힌지(21)를 중심으로 몸체(10) 내측으로 오므라져 축소되어지면 서 케이싱(2) 내부로 용이하게 삽입된다.Then, the tip of the locking blade 20 is pressed by the inner surface of the casing (2), so that the tip of the locking blade (20) is retracted to the inside of the body (10) around the hinge (21) and is reduced to a casing (2). Easily inserted into the interior

이와같이 하여 주입관(3)의 삽입설치가 완료되면 케이싱(2)을 인발한다.In this way, when the insertion installation of the injection pipe 3 is completed, the casing 2 is drawn out.

그러면 케이싱(2)이 후퇴함에 따라 케이싱(2) 내면에 눌려져 축소되어 있던 걸림날개(20)의 누름이 해지됨과 동시에 걸림날개(20)의 선단이 스프링(22)의 탄발력에 다시 외측으로 활짝 벌어지게 된다.(경우에 따라서는 처음부터 본 발명의 주입관 고정장치를 케이싱(2) 선단보다 더 깊숙히 삽입하여 걸림날개(20)가 바로 펴지도록 할 수 도 있음)Then, as the casing 2 is retracted, the pressing of the latching blade 20 which is pressed down on the inner surface of the casing 2 is released and the tip of the locking blade 20 widens outwardly due to the spring force of the spring 22. (In some cases, the inlet pipe fixing device of the present invention may be inserted deeper than the tip of the casing 2 so that the catching blade 20 may be straightened from the beginning.)

그러면 상기 걸림날개(20)의 선단에 천공구멍(1) 내벽에 밀착되거나 박히게 되는데 이때 상기 걸림날개(20)의 선단은 끝이 뾰족하고 날카롭게 형성되어져 있거나 또는 선단에 끝이 뾰족하고 날카로운 걸림돌기(20b)가 형성되어 있으므로 결과적으로 이들이 천공구멍(1) 내벽에 밀착되거나 박히게 되는 것이다.Then, the tip of the locking blade 20 is in close contact with or stuck to the inner wall of the perforation hole 1, wherein the tip of the locking blade 20 is sharply sharpened at the end or sharply sharp at the tip. 20b) are formed, and as a result, they are in close contact with or stuck to the inner wall of the perforation hole 1.

이와같은 상태에서 케이싱(2)을 계속해서 인발하게 되는데 인발 도중에 설사 연약지반이 무너지면서 케이싱(2) 선단을 통해 케이싱(2) 내부와 주입관(3) 외면사이에 누수와 함께 토사 등이 밀려 들어와 막힘(꽉끼임)게 되어 주입관(3)이 같이 외부로 따라 나오려는 현상이 발생하게 되더라도 주입관(3)이 후퇴하려는 힘이 작용하면 오히려 걸림날개(20)가 더 벌어지려고 하는 힘이 작용하면서 걸림날개(20) 선단이나 걸림날개(20) 선단에 형성된 걸림돌기(20b)가 천공구멍(1) 내벽에 더 깊숙히 박히게 되므로 주입관(3)은 고정된 상태에서 케이싱(2)만 외부로 빠져 나오게 된다.In this state, the casing (2) is continuously drawn out. During the drawing, the soft ground collapses, and the earth and sand are pushed together with the leakage between the inside of the casing (2) and the outside of the injection pipe (3) through the casing (2) tip. Entering and clogging (tightening), even if the injection tube (3) is going to follow the outside as a phenomenon occurs when the force to the retraction of the injection tube (3) rather than the force that the wing 20 is going to open more While acting, the locking projection 20b formed at the tip of the locking blade 20 or the tip of the locking blade 20 becomes more deeply embedded in the inner wall of the drilling hole 1, so that only the casing 2 is external to the injection tube 3 in a fixed state. Will exit.

이와같은 작용은 본 발명을 도3a 내지 도3b와 같이 구성한 경우에도 마찬가 지인데 이 경우에는 상기 걸림날개(20)의 선단에 형성된 힌지결합공(20c)에 걸림돌기(30a)가 외면에 형성된 별도의 회동걸림구(30)가 힌지(31) 결합되어져 있으므로 주입관(3)이 후퇴하려는 힘이 작용하면 오히려 걸림날개(20)가 더 벌어지려고 하는 힘이 작용함과 동시에 이때 회동걸림구(30)가 외측으로 회전하면서 외측으로 벌어지도록 하는 힘을 배가시켜서 더 수월하고 더 강력하게 걸림날개(20) 선단이 천공구멍(1) 벽면에 깊숙히 박히게 된다.Such an operation is the same when the present invention is configured as shown in FIGS. 3A to 3B. In this case, the locking protrusion 30a is formed on the outer surface of the hinge coupling hole 20c formed at the tip of the locking blade 20. Since the rotation catching mechanism 30 of the hinge 31 is coupled, when the force to retreat the injection tube 3 acts, the force that the catching blade 20 tries to open more and at the same time the rotating catching mechanism 30 The tip of the catching blade 20 is embedded in the wall of the perforation hole 1 more easily and more powerfully by doubling the force that causes the outside to rotate outward.

그러는 한편, 상기 회동걸림구(30)가 힌지(31)결합되는 힌지결합공(20c)을 외측으로 경사진 경사장공으로 형성한 경우에는 걸림돌기(30a)의 회전하는 힘과 이 힘의 작용시 회동걸림구(30)가 경사장공으로 형성된 힌지결합공(20c)을 따라 외측으로 이동하려는 힘이 추가적으로 더 작용하게 되므로 더욱 더 강력하게 날개선단이 천공구멍(1) 벽면에 깊숙히 박히게 된다.On the other hand, when the rotation catching mechanism 30 is formed by the hinge hole (20c) hinged 31 is coupled to the inclined long hole inclined outward when the force of the rotation of the locking projection (30a) and the action of this force Since the rotational catching mechanism 30 additionally acts to move outward along the hinge coupling hole 20c formed by the inclined long hole, the wing tip is more strongly embedded in the wall of the perforation hole 1.

따라서, 상기와 같이 본 발명의 주입관 고정장치를 사용하게 되면 주입관(3)을 천공구멍(1) 벽면에 견고하게 고정설치할 수 있으므로 주입관(3)이 케이싱(2)과 같이 빠져 나오는 현상이 전혀 없이 케이싱(2)만을 인발하여 외부로 빼낸 후 별도의 마개를 이용하여 천공구멍을 막고 천공구멍 내부로 코킹재를 주입하여 마개전방부 코킹작업을 완료한다음 주입관(3) 내부로 삽입된 주입로드(미도시)에 구비된 패커를 팽창시켜 주입관(3) 내면을 밀폐한 후 주입로드로 크라우트재를 소정압력으로 공급하여 주입관(3)에 구비된 주입공(3a)을 통해 그라우트재가 천공구멍에 주입되도록 하는 작업을 수차례 반복하여 지반에 개량된 구근을 형성하는 작업 즉, 프리 그라우팅 작업을 신속하고 완벽하게 진행 할 수 있다.Therefore, when the injection tube fixing device of the present invention is used as described above, the injection tube 3 can be firmly fixed to the wall of the perforation hole 1 so that the injection tube 3 comes out like the casing 2. Draw out only the casing (2) without this at all, and then use a separate plug to block the perforation hole and inject the caulking material into the perforation hole to complete the caulking operation in front of the stopper and then inserted into the injection tube (3). Inflating the packer provided in the injection rod (not shown) to seal the inner surface of the injection tube (3) and then supply the crowding material at a predetermined pressure to the injection rod through the injection hole (3a) provided in the injection tube (3) The grout material can be injected into the drilling hole several times to form improved bulbs in the ground, that is, the pre grouting work can be performed quickly and completely.

도1a 내지 도1e는 일반적인 프리 그라우팅 작업순서를 나타낸 도면으로서,1A to 1E are diagrams showing a general pre-grouting work procedure.

도1a는 천공구멍 형성 및 케이싱 삽입상태도.Fig. 1A is a view illustrating the formation of perforation holes and a casing insertion state.

도1b는 케이싱 내부로 주입관 삽입설치 상태도.Figure 1b is a state inserting the insertion tube inserted into the casing.

도1c는 케이싱 인발 상태도.1C is a casing drawing state.

도1d는 주입관 외면에 코킹재 주입상태도.Figure 1d is a caulking material injection state on the outer surface of the injection tube.

도1e는 주입관으로 이용 천공구멍에 그라우트재를 주입하는 상태도.1E is a state in which the grout material is injected into the drilled hole used as the injection tube.

도2a 내지 도2d는 본 발명의 일 실시예도로서,Figure 2a to 2d is an embodiment of the present invention,

도2a는 분해 사시도.Figure 2a is an exploded perspective view.

도2b는 조립 사시도.Figure 2b is an assembled perspective view.

도2c는 측면도.Figure 2c is a side view.

도2d는 측 단면도.2D is a side cross-sectional view.

도3a 내지 도3c는 본 발명의 다른 실시예도로서,3a to 3c show another embodiment of the present invention.

도3a는 조립 사시도.Figure 3a is an assembled perspective view.

도3b는 측면도.3B is a side view.

도3c는 회동걸림구의 위치변위 상태를 보인 요부 구성도.Figure 3c is a main portion of the configuration showing the position displacement state of the rotation latch.

도4는 본 발명의 일 실시예의 사용상태도.Figure 4 is a state diagram used in one embodiment of the present invention.

도5는 본 발명의 다른 실시예의 사용상태도.5 is a state diagram used in another embodiment of the present invention.

♣도면의 주요 부분에 대한 부호의 설명♣♣ Explanation of symbols for the main parts of the drawing

1:천공구멍 2:케이싱1: drilling hole 2: casing

3:주입관 10:몸체3: injection tube 10: body

11:헤드부 12:결합부11: head part 12: coupling part

13:날개결합요부 13a,20c:힌지결합공13: wing coupling recess 13a, 20c: hinge coupling hole

20:걸림날개 20a:돌출걸림턱20: jam wings 20a: protrusion jam jaw

20b,30a:걸림돌기 21,31:힌지20b, 30a: Jamming 21, 31: Hinge

30:회동걸림구It is a rotation latch 30

Claims (5)

선단에는 헤드부(11)가 형성되고 후단에는 주입관(3) 선단에 결합되는 결합부(12)가 형성되며 헤드부(11)와 결합부(12) 사이에는 힌지결합공(13a)이 구비된 날개결합요부(13)가 형성되어진 몸체(10)와,A head portion 11 is formed at the front end, and a coupling part 12 coupled to the tip of the injection tube 3 is formed at the rear end, and a hinge coupling hole 13a is provided between the head part 11 and the coupling part 12. Body 10 and the wing coupling recess 13 is formed, 상기 몸체(10)에 형성된 날개결합요부(13)의 힌지결합공(13a)에 후단을 힌지(21)결합하여 선단이 힌지(21)를 중심으로 내측으로 오므라지게 결합되어지되 힌지(21)에 동시 결합한 스프링(22)의 탄발력에 의해 선단이 항상 외측으로 벌어진 상태를 유지하도록 결합설치된 걸림날개(20)를 포함하여 이루어짐을 특징으로 하는 주입관 고정장치.The rear end is coupled to the hinge 21 of the hinge coupling hole (13a) of the wing coupling recess 13 formed in the body 10, the front end is coupled so as to be retracted inward with respect to the hinge (21) to the hinge (21) Injector fixing device characterized in that it comprises a locking wing (20) coupled to maintain the state that the tip is always opened to the outside by the elastic force of the spring 22 coupled at the same time. 제1항에 있어서,The method of claim 1, 상기 걸림날개(20)의 외면에는 돌출걸림턱(20a)이 형성되어 있는데 이 돌출걸림턱(20a)은 걸림날개(20)가 최대한 벌어진 상태가 되면 헤드부(11) 하측외연에 밀착되어 걸림날개(20)가 더이상 벌어지지 않도록 구성되어짐을 특징으로 하는 주입관 고정장치.Protruding locking jaw 20a is formed on the outer surface of the locking blade 20, and the locking locking jaw 20a is in close contact with the lower outer edge of the head 11 when the locking blade 20 is fully opened. Infusion tube holding device, characterized in that 20 is configured not to open anymore. 제1항에 있어서,The method of claim 1, 상기 걸림날개(20)의 선단은 끝이 뾰족하고 날카롭게 형성되거나 또는 선단 외면에 끝이 뾰족하고 날카로운 걸림돌기(20b)를 형성하여 구성되어짐을 특징으로 하는 주입관 고정장치.The distal end of the locking blade 20 is pointed and sharply formed or the injection tube fixing device, characterized in that the tip is formed by forming a sharp and sharp end projection (20b) on the outer surface. 제1항에 있어서,The method of claim 1, 상기 걸림날개(20)의 선단에 힌지결합공(20c)을 형성하고 이에 걸림돌기(30a)가 외면에 형성된 별도의 회동걸림구(30)를 힌지(31) 결합하여 구성함을 특징으로 하는 주입관 고정장치.The hinge coupling hole 20c is formed at the front end of the locking blade 20, and the locking projection 30a is formed by combining the hinge 31 with a separate rotation catching hole 30 formed on the outer surface thereof. Pipe fixtures. 제4항에 있어서,The method of claim 4, wherein 상기 회동걸림구(30)가 힌지(31)결합되는 힌지결합공(20c)을 외측으로 경사진 경사장공으로 형성하여 힌지(31) 결합된 회동걸림구(30)가 경사장공으로 형성된 힌지결합공(20c)을 따라 위치변위가 가능하게 구성되어짐을 특징으로 하는 특징으로 하는 주입관 고정장치.The hinge engaging hole 30 is formed by the inclined long hole formed by the inclined long hole in which the hinge engaging hole (20c) is coupled to the hinge 31, the hinge engaging hole (30c) is inclined outward. Injection tube fixing device, characterized in that the positional displacement is configured along the (20c).
KR1020090030162A 2009-04-08 2009-04-08 injection tube fixing apparatus KR101038744B1 (en)

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KR102184738B1 (en) * 2020-03-12 2020-12-01 에코엔텍 주식회사 soft ground reinforcement system with multiple excavations and soft ground reinforcement method using it

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KR101286937B1 (en) * 2011-12-02 2013-07-16 서호택 Device for reinforcing the ground
KR101927725B1 (en) 2018-03-09 2019-02-26 박경욱 An u-tube grouting injection pipe

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JPH0437952Y2 (en) 1985-06-20 1992-09-07
JP3832457B2 (en) 2003-07-23 2006-10-11 強化土エンジニヤリング株式会社 Fixing method of bundling injection capillaries in the ground
KR100703550B1 (en) 2005-09-12 2007-04-03 유진지오 주식회사 The expansion friction type spacer for soil nailing

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KR102184738B1 (en) * 2020-03-12 2020-12-01 에코엔텍 주식회사 soft ground reinforcement system with multiple excavations and soft ground reinforcement method using it

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