KR102346694B1 - nailing device and the method of installing nailing device - Google Patents

nailing device and the method of installing nailing device Download PDF

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Publication number
KR102346694B1
KR102346694B1 KR1020210065059A KR20210065059A KR102346694B1 KR 102346694 B1 KR102346694 B1 KR 102346694B1 KR 1020210065059 A KR1020210065059 A KR 1020210065059A KR 20210065059 A KR20210065059 A KR 20210065059A KR 102346694 B1 KR102346694 B1 KR 102346694B1
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South Korea
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diameter
nail
fixing
nailing device
coupled
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KR1020210065059A
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Korean (ko)
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이태민
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주식회사 구마에스앤씨(S＆C)
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    • 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
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/003—Injection of material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/30—Miscellaneous comprising anchoring details
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/40—Miscellaneous comprising stabilising elements

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The present invention relates to a nailing apparatus of a new structure, which is able to have a simple structure and be easy to install. According to the present invention, in the nailing apparatus, a fixing unit (B) includes: an extendable body (10) engaged with an outer side of a front end unit of a nail member (A); and a front support member and a rear support member (21, 22) engaged with the nail member (A) to be respectively located on a front side and a rear side of the extendable body (10). The extendable body (10) includes: a pair of extendable members (11) placed on both sides of the nail member (A), and having an insertion groove (11a), into which the outer circumferential surface of the nail member (A) is inserted, formed on a nearby surface to be extended in a forward-backward direction, and having a concave groove (11b) formed on the outer circumferential unit to be extended to the sides; and a ring-shaped fixing member (13) engaged with the concave groove (11b) for surrounding the circumferential surface of the extendable member (11) and fixing the extendable member (11) not to be apart from each other. When a worker pulls the nail member (A) toward a rear side, the extendable member (11) is opened toward an outer side by the front support member (22), thereby being fixed on the inner circumferential surface of a punched hole (1). Therefore, the structure is very simple and the nailing apparatus can be easily fixed on the punched hole (1).

Description

네일링장치 및 시공방법{nailing device and the method of installing nailing device}Nailing device and the method of installing nailing device

본 발명은 구조가 간단하면서 설치가 용이한 새로운 구조의 네일링장치 및 시공방법에 관한 것이다.The present invention relates to a nailing apparatus and a construction method of a new structure having a simple structure and easy installation.

일반적으로, 건설공사에서 발생되는 토압, 풍압, 수압, 지진력 등의 외력으로부터 사면이나 옹벽, 굴착면 등을 보호하기 위해 사용되는 네일링장치는, 전단부가 사면에 형성된 천공구멍에 삽입되는 네일부재와, 상기 네일부재의 전단부에 구비되며 상기 천공구멍의 내부에 고정되는 고정유닛으로 구성된다.In general, a nailing device used to protect a slope, a retaining wall, an excavated surface, etc. from external forces such as earth pressure, wind pressure, water pressure, and seismic force generated in construction work includes a nail member inserted into a perforation hole formed in the slope at the front end and , is provided at the front end of the nail member and consists of a fixing unit fixed to the inside of the drilling hole.

따라서, 상기 고정유닛이 천공구멍의 내부에 삽입되도록 네일부재를 설치한 후, 상기 천공구멍의 내부로 시멘트페이스트를 주입하여 경화시킴으로써, 네일링장치를 시공할 수 있다.Therefore, the nailing device can be constructed by installing the nail member so that the fixing unit is inserted into the drilling hole, and then injecting cement paste into the drilling hole to harden it.

그런데, 이러한 네일링장치는 상기 고정유닛의 구조가 복잡하고, 고정유닛이 천공구멍의 내부에 고정되도록 하는 방법이 번거로운 문제점이 있었다.However, in this nailing device, the structure of the fixing unit is complicated, and the method of fixing the fixing unit to the inside of the drilling hole is cumbersome.

따라서, 이러한 문제점을 해결할 수 있는 새로운 방법이 필요하게 되었다.Therefore, there is a need for a new method to solve these problems.

등록특허 10-1175112호,Registered Patent No. 10-1175112,

본 발명은 상기의 문제점을 해결하기 위한 것으로서, 구조가 간단하면서 설치가 용이한 새로운 구조의 네일링장치 및 시공방법을 제공함에 그 목적이 있다.The present invention is to solve the above problems, and an object of the present invention is to provide a nailing device and a construction method of a new structure that is simple in structure and easy to install.

상기한 목적을 달성하기 위한 본 발명은, 전단부가 사면에 형성된 천공구멍(1)에 삽입되는 네일부재(A)와, 상기 네일부재(A)의 전단부에 구비되며 상기 천공구멍(1)의 내부에 고정되는 고정유닛(B)을 포함하는 네일링장치에 있어서, 상기 고정유닛(B)은 상기 네일부재(A)의 전단부 외측에 결합된 확경통체(10)와, 상기 확경통체(10)의 전후방에 위치되도록 상기 네일부재(A)에 결합된 전후방 지지부재(21,22)를 포함하고, 상기 확경통체(10)는 상기 네일부재(A)의 양측에 구비되며 인접면에는 상기 네일부재(A)의 외주면이 삽입되는 삽입홈(11a)이 전후방향으로 연장되도록 형성되고 외측 둘레부에는 측방향으로 연장된 오목홈(11b)이 형성된 한 쌍의 확경부재(11)와, 상기 확경부재(11)의 둘레면을 감싸도록 상기 오목홈(11b)에 결합되어 상기 확경부재(11)가 상호 이격되지 않도록 고정하는 링형상의 고정부재(13)를 포함하는 것을 특징으로 하는 네일링장치가 제공된다.The present invention for achieving the above object is provided in the front end of the nail member (A) and the nail member (A) is inserted into the drilling hole (1) formed on the slope at the front end of the drilling hole (1) In the nailing device comprising a fixing unit (B) fixed therein, the fixing unit (B) is an expansion tube body 10 coupled to the outside of the front end of the nail member (A), the expansion tube body It includes front and rear support members 21 and 22 coupled to the nail member A so as to be positioned at the front and rear sides of the 10 , and the expansion tube 10 is provided on both sides of the nail member A and adjacent surfaces A pair of enlarged diameter members 11 formed with an insertion groove 11a into which the outer circumferential surface of the nail member A is inserted extends in the front-rear direction, and a concave groove 11b extending laterally on the outer periphery. and a ring-shaped fixing member 13 coupled to the concave groove 11b to surround the circumferential surface of the diameter expanding member 11 and fixing the diameter expanding member 11 not to be spaced apart from each other. A nailing device is provided.

본 발명의 다른 특징에 따르면, 상기 확경부재(11)의 인접면에 구비되어 확경부재(11)가 상호 외측으로 이격되도록 탄성적으로 가압하는 탄성부재(12)를 더 포함하는 것을 특징으로 하는 네일링장치가 제공된다.According to another feature of the present invention, it is provided on the adjacent surface of the enlarged diameter member 11, characterized in that it further comprises an elastic member 12 that elastically presses the expanding member 11 to be spaced apart from each other outward. A nailing device is provided.

본 발명의 또 다른 특징에 따르면, 상기 삽입홈(11a)의 전단부에는 전방으로 갈수록 내경이 커지는 경사부(11c)가 형성되고, 상기 전방 지지부재(21)의 후단부는 후방으로 갈수록 직경이 작아지도록 구성된 것을 특징으로 하는 네일링장치가 제공된다.According to another feature of the present invention, the front end of the insertion groove (11a) is formed with an inclined portion (11c) of which the inner diameter increases toward the front, the rear end of the front support member (21) has a smaller diameter toward the rear. There is provided a nailing device, characterized in that it is configured to be.

본 발명의 또 다른 특징에 따르면, 상기 삽입홈(11a)의 전단부에는 전방으로 갈수록 내경이 커지는 경사부(11c)가 형성되고, 상기 확경통체(10)는 상기 네일부재(A)의 외측에 구비되며 외주면이 상기 경사부(11c)에 밀착되는 쐐기부재(14)를 더 포함하는 것을 특징으로 하는 네일링장치가 제공된다.According to another feature of the present invention, an inclined portion 11c having an inner diameter increasing toward the front is formed at the front end of the insertion groove 11a, and the expansion tube 10 is the outer side of the nail member (A). There is provided a nailing device, characterized in that it further comprises a wedge member (14) provided in the outer peripheral surface is in close contact with the inclined portion (11c).

본 발명의 또 다른 특징에 따르면, 상기 네일부재(A)의 후단부 외측에 결합되며 전단부가 상기 확경부재(11)의 후측면에 밀착되는 가압관(30)을 더 포함하는 것을 특징으로 하는 네일링장치가 제공된다.According to another feature of the present invention, it is coupled to the outside of the rear end of the nail member (A), the front end characterized in that it further comprises a pressure tube (30) in close contact with the rear surface of the diameter expansion member (11) A nailing device is provided.

본 발명의 또 다른 특징에 따르면, 상기 확경부재(11)의 둘레면에는 오목부(11e)가 형성되고, 상기 확경부재(11)에는 확경부재(11)의 인접면에서 상기 오목부(11e)로 개방되도록 연장된 가이드공(11f)이 형성되며, 기단부에 구비된 회동축(31a)에 의해 상기 오목부(11e)의 내부에 선단부가 외측으로 회동가능하게 결합되며 기단부에는 걸림턱(31b)이 형성된 앵커바(31)와, 상기 앵커바(31)에 연결되어 앵커바(31)의 선단부가 외측으로 회동되도록 탄성적으로 가압하는 보조탄성부재(32)와, 상기 확경부재(11)의 인접면에서 연장되어 반대편에 위치된 확경부재(11)의 가이드공(11f)에 삽입되며 선단부는 상기 앵커바(31)의 걸림턱(31b)에 결합되어 앵커바(31)의 선단부가 상기 오목부(11e)의 내부에 위치되도록 앵커바(31)를 고정하는 고정바(33)를 더 포함하는 것을 특징으로 하는 네일링장치가 제공된다.According to another feature of the present invention, a concave portion 11e is formed on the circumferential surface of the enlarged diameter member 11 , and the concave portion 11e is formed on the adjacent surface of the diameter enlarged member 11 in the enlarged diameter member 11 . A guide hole 11f extending to be opened to (11e) is formed, and the front end is rotatably coupled to the inside of the concave portion 11e by a rotation shaft 31a provided at the base end, and the proximal end has a locking protrusion. An anchor bar 31 having (31b) formed thereon, an auxiliary elastic member 32 connected to the anchor bar 31 and elastically pressing the tip end of the anchor bar 31 to rotate outward, and the diameter expansion member (11) extended from the adjacent surface and inserted into the guide hole 11f of the enlarged diameter member 11 located on the opposite side, and the tip end is coupled to the locking protrusion 31b of the anchor bar 31, and the anchor bar 31 There is provided a nailing device, characterized in that it further comprises a fixing bar (33) for fixing the anchor bar (31) so that the front end of the concave portion (11e) is located inside.

본 발명이 또 다른 특징에 따르면, 선단부에 상기 고정유닛(B)이 결합된 네일부재(A)의 선단부를 천공구멍(1)의 내부로 삽입하는 단계와, 상기 네일부재(A)의 후단부 외측에 가압관(30)을 결합하여 가압관(30)의 전단부가 상기 확경부재(11)의 후측면에 밀착되도록 하는 단계와, 상기 가압관(30)을 지지한 상태로 네일부재(A)를 후방으로 당겨 전방 지지부재(21)에 의해 상기 고정부재(13)가 손상되면서 확경부재(11)가 외측으로 벌어지도록 하는 단계와, 상기 가압관(30)을 철거하는 단계와, 천공구멍(1)의 내부에 시멘트페이스트를 주입하는 단계를 포함하는 것을 특징으로 하는 네일링장치 시공방법이 제공된다.According to another feature of the present invention, the step of inserting the front end of the nail member (A) to which the fixing unit (B) is coupled to the front end into the drilling hole (1), the rear end of the nail member (A) The step of coupling the pressure tube 30 to the outside so that the front end of the pressure tube 30 is in close contact with the rear surface of the enlarged diameter member 11, and the nail member (A) while supporting the pressure tube 30 ) pulling backward, the fixing member 13 is damaged by the front support member 21 so that the diameter expansion member 11 is opened to the outside, the step of removing the pressure tube 30, and perforation There is provided a nailing device construction method comprising the step of injecting cement paste into the hole (1).

본 발명에 따른 네일링장치는 네일링장치는 상기 고정유닛(B)은 상기 네일부재(A)의 전단부 외측에 결합된 확경통체(10)와, 상기 확경통체(10)의 전후방에 위치되도록 상기 네일부재(A)에 결합된 전후방 지지부재(21,22)로 구성되고, 상기 확경통체(10)는 상기 네일부재(A)의 양측에 구비되며 인접면에는 상기 네일부재(A)의 외주면이 삽입되는 삽입홈(11a)이 전후방향으로 연장되도록 형성되고 외측 둘레부에는 측방향으로 연장된 삽입홈(11a)이 형성된 한 쌍의 확경부재(11)와, 상기 확경부재(11)의 둘레면을 감싸도록 상기 오목홈(11b)에 결합되어 상기 확경부재(11)가 상호 이격되지 않도록 고정하는 링형상의 고정부재(13)로 구성되어, 작업자가 네일부재(A)를 방으로 당기면, 상기 전방 지지부재(22)에 의해 화경부재(11)가 외측으로 벌어지면서 천공구멍(1)의 내주면에 밀착고정됨으로, 구조가 매우 간단할 뿐 아니라, 네일링장치를 천공구멍(1)에 용이하게 고정할 수 있는 장점이 있다.In the nailing device according to the present invention, the fixing unit (B) has an expansion tube body 10 coupled to the outside of the front end of the nail member (A), and front and rear of the expansion tube body (10). It is composed of front and rear support members 21 and 22 coupled to the nail member A so as to be positioned, and the expansion tube 10 is provided on both sides of the nail member A and adjacent to the nail member A ) is formed so that the insertion groove 11a into which the outer circumferential surface is inserted is extended in the front-rear direction, and a pair of diameter expansion members 11 having an insertion groove 11a extending laterally on the outer periphery, and the diameter expansion member It is coupled to the concave groove 11b so as to surround the circumferential surface of 11 and consists of a ring-shaped fixing member 13 for fixing the enlarged diameter member 11 not to be spaced apart from each other, so that the operator can use the nail member A ) is pulled into the room, the flower diameter member 11 opens outward by the front support member 22 and is fixed in close contact with the inner circumferential surface of the drilling hole 1, so the structure is very simple and the nailing device is drilled There is an advantage that can be easily fixed to the hole (1).

도 1은 본 발명에 따른 네일링장치를 도시한 측단면도,
도 2는 본 발명에 따른 네일링장치의 요부를 도시한 측면도,
도 3은 본 발명에 따른 네일링장치의 요부를 도시한 측단면도,
도 4는 본 발명에 따른 네일링장치의 분해상태를 도시한 측단면도,
도 5는 도 3의 C-C선 단면을 도시한 정단면도,
도 6은 도 3의 D-D선 단면을 도시한 정단면도,
도 7 내지 도 9는 본 발명에 따른 네일링장치의 시공방법을 도시한 측단면도,
도 10은 본 발명에 따른 네일링장치의 제2 실시예를 도시한 측단면도,
도 11은 본 발명에 따른 네일링장치의 제3 실시예를 도시한 정단면도,
도 12는 본 발명에 따른 네일링장치의 제3 실시예의 작용을 도시한 정단면도이다.1 is a side cross-sectional view showing a nailing device according to the present invention;
2 is a side view showing the main part of the nailing device according to the present invention;
3 is a side cross-sectional view showing the main part of the nailing device according to the present invention;
4 is a side cross-sectional view showing an exploded state of the nailing device according to the present invention;
5 is a front sectional view showing a cross-section taken along line CC of FIG. 3;
6 is a front sectional view showing a cross-section taken along line DD of FIG. 3;
7 to 9 are side cross-sectional views showing the construction method of the nailing device according to the present invention;
10 is a side cross-sectional view showing a second embodiment of the nailing device according to the present invention;
11 is a front sectional view showing a third embodiment of the nailing device according to the present invention;
12 is a front sectional view showing the operation of the third embodiment of the nailing device according to the present invention.

이하, 본 발명을 첨부된 예시도면에 의거하여 상세히 설명한다.Hereinafter, the present invention will be described in detail based on the accompanying illustrative drawings.

도 1 내지 도 9는 본 발명에 따른 네일링장치를 도시한 것으로, 전단부가 사면에 형성된 천공구멍(1)에 삽입되는 네일부재(A)와, 상기 네일부재(A)의 전단부에 구비되며 상기 천공구멍(1)의 내부에 고정되는 고정유닛(B)으로 구성된 것은 종래와 동일하다.1 to 9 show a nailing device according to the present invention, the front end of which is provided at the front end of the nail member (A) inserted into the drilling hole (1) formed on the slope, and the nail member (A). The structure of the fixing unit (B) fixed to the inside of the perforation hole (1) is the same as in the prior art.

이때, 상기 네일부재(A)는 둘레면에 나사산이 형성된 강철재질의 나사축을 이용한다.At this time, the nail member (A) uses a screw shaft made of a steel material having a screw thread formed on the circumferential surface.

그리고, 본 발명에 따르면, 상기 고정유닛(B)은 상기 고정유닛(B)은 상기 네일부재(A)의 전단부 외측에 결합된 확경통체(10)와, 상기 확경통체(10)의 전후방에 위치되도록 상기 네일부재(A)에 결합된 전후방 지지부재(21,22)와, 상기 네일부재(A)의 후단부 외측에 결합되는 가압관(30)으로 구성된다.And, according to the present invention, in the fixing unit (B), the fixing unit (B) is coupled to the outside of the front end of the nail member (A) and the expansion tube body (10), and the expansion tube body (10) It consists of front and rear support members 21 and 22 coupled to the nail member A so as to be positioned in the front and rear, and a pressure tube 30 coupled to the outside of the rear end of the nail member A.

상기 확경통체(10)는 상기 네일부재(A)의 양측에 구비되며 인접면에는 상기 네일부재(A)의 외주면이 삽입되는 삽입홈(11a)이 전후방향으로 연장되도록 형성되고 외측 둘레부에는 측방향으로 연장된 오목홈(11b)이 형성된 한 쌍의 확경부재(11)와, 상기 확경부재(11)의 인접면에 구비되어 확경부재(11)가 상호 외측으로 이격되도록 탄성적으로 가압하는 탄성부재(12)와, 상기 확경부재(11)의 둘레면을 감싸도록 상기 오목홈(11b)에 결합되어 상기 확경부재(11)가 상호 이격되지 않도록 고정하는 고정부재(13)로 구성된다.The expansion tube body 10 is provided on both sides of the nail member (A), and on an adjacent surface, an insertion groove (11a) into which the outer peripheral surface of the nail member (A) is inserted is formed to extend in the front-rear direction, and on the outer periphery A pair of diameter expansion members 11 having concave grooves 11b extending in the lateral direction are provided on an adjacent surface of the diameter expansion member 11 and elastically so that the diameter expansion members 11 are spaced apart from each other outward. An elastic member 12 for pressing with a , and a fixing member 13 coupled to the concave groove 11b to surround the circumferential surface of the diameter expanding member 11 and fixing the expanding diameter member 11 not to be spaced apart from each other ) is composed of

상기 확경부재(11)는 각각 전방에서 볼 때 반원형태로 구성되어, 네일부재(A)의 둘레면이 상기 삽입홈(11a)에 삽입되도록 확경부재(11)를 결합하면, 도 5 및 도 6에 도시한 바와 같이, 확경부재(11)가 전후방향으로 연장된 원통형을 이루도록 구성된다.The enlarged diameter member 11 is each configured in a semicircular shape when viewed from the front, and when the enlarged diameter member 11 is coupled so that the peripheral surface of the nail member A is inserted into the insertion groove 11a, FIG. 5 and 6, the diameter expansion member 11 is configured to form a cylindrical shape extending in the front-rear direction.

이때, 상기 삽입홈(11a)은 지름이 상기 네일부재(A)의 지름과 동일한 호형상으로 구성되며, 삽입홈(11a)의 전후단에는 전후방향으로 갈수록 내경이 커지는 경사부(11c)가 형성된다.At this time, the insertion groove (11a) is configured in an arc shape having the same diameter as the diameter of the nail member (A), and at the front and rear ends of the insertion groove (11a), an inclined portion (11c) whose inner diameter increases in the front-rear direction is formed. do.

그리고, 상기 오목홈(11b)은 확경부재(11)의 전후방 외주면에 각각 1개씩 총 2개가 형성된다.In addition, a total of two concave grooves 11b are formed on the front and rear outer peripheral surfaces of the diameter expansion member 11, one each.

또한, 도 4 및 도 6에 도시한 바와 같이, 상기 확경부재(11)의 인접면에는 상기 탄성부재(12)가 삽입되는 고정공(11d)이 형성된다.In addition, as shown in FIGS. 4 and 6 , a fixing hole 11d into which the elastic member 12 is inserted is formed on the adjacent surface of the diameter expansion member 11 .

상기 탄성부재(12)는 양단이 상기 확경부재(11)의 고정공(11d)에 삽입되어 확경부재(11)가 상호 이격되도록 탄성적으로 가압하는 압축코일스프링을 이용한다.The elastic member 12 uses a compression coil spring having both ends inserted into the fixing holes 11d of the diameter expanding member 11 to elastically press the expanding member 11 to be spaced apart from each other.

상기 고정부재(13)는 강도가 낮은 합성수지재질의 링형상으로 구성된 것으로, 후술하는 바와 같이, 상기 전방 지지부재(21)를 이용하여 확경부재(11)가 상호 이격되도록 할 때, 고정부재(13)가 손상되면서 확경부재(11)가 이격될 수 있도록 한다.The fixing member 13 is composed of a ring shape of a synthetic resin material with low strength, and as will be described later, when the diameter expansion member 11 is spaced apart from each other by using the front support member 21, the fixing member ( 13) is damaged so that the diameter expansion member 11 can be spaced apart.

상기 전후방 지지부재(21,22)는 전후방으로 연장된 원형블록형태로 구성된 것으로, 중앙부에는 관통공(23)이 전후단을 관통하도록 형성되며, 상기 관통공(23)의 내주면에는 상기 네일부재(A)의 나사산에 대응되는 나사산이 형성된다.The front and rear support members 21 and 22 are configured in the form of a circular block extending forward and backward, and a through hole 23 is formed in the central portion to pass through the front and rear ends, and the nail member ( A thread corresponding to the thread of A) is formed.

이때, 상기 전방 지지부재(21)의 후단부와 후방 지지부재(22)의 전단부에는 지름이 큰 확경부(24)가 형성되고, 상기 확경부(24)는 후방 또는 전방으로 갈수록 직경이 작아지도록 구성된다.At this time, an enlarged diameter portion 24 having a large diameter is formed at the rear end of the front support member 21 and the front end of the rear support member 22, and the diameter of the enlarged diameter portion 24 is smaller toward the rear or front. is configured to

상기 가압관(30)은 전후방향으로 연장된 금속재의 파이프를 이용하는 것으로, 내경이 상기 네일부재(A)에 비해 크고 외경이 상기 확경부재(11)에 비해 작게 구성되어, 도 1에 도시한 바와 같이, 상기 네일부재(A)의 후단부 외측에 결합된 상태로 전단부는 상기 확경부재(11)의 후측면에 밀착되도록 설치된다.The pressure tube 30 uses a metal pipe extending in the front-rear direction. The inner diameter is larger than that of the nail member (A) and the outer diameter is smaller than that of the enlarged diameter member (11), as shown in FIG. As shown, the front end of the nail member (A) in a state coupled to the outside of the rear end is installed so as to be in close contact with the rear surface of the diameter expansion member (11).

이와 같이 구성된 네일링장치를 시공하는 방법을 설명하면 다음과 같다.A method of constructing the nailing device configured as described above will be described as follows.

우선, 상기 확경부재(11)의 사이에 상기 탄성부재(12)를 삽입하고, 상기 오목홈(11b)에 상기 고정부재(13)를 결합하여, 확경부재(11)가 전후방향으로 연장된 원형관체의 형상을 이루도록 결합함으로써, 상기 확경통체(10)를 조립한다.First, the elastic member 12 is inserted between the diameter expansion members 11, and the fixing member 13 is coupled to the concave groove 11b so that the diameter expansion member 11 extends in the front-rear direction. By combining to achieve the shape of a circular tube body, the expansion tube body 10 is assembled.

이때, 상기 확경부재(11)는 상기 삽입홈(11a)이 상기 네일부재(A)의 지름에 대응되는 원형을 이루도록 결합된다.At this time, the diameter expansion member 11 is coupled so that the insertion groove (11a) forms a circle corresponding to the diameter of the nail member (A).

그리고, 상기 네일부재(A)의 전단부에 상기 후방 지지부재(22)를 나사결합하고, 네일부재(A)의 외측에 상기 확경통체(10)를 결합한 후, 상기 네일부재(A)의 전단부에 다시 상기 전방 지지부재(21)를 나사결합하여 상기 고정유닛(B)을 네일부재(A)의 전단부에 설치할 수 있다.Then, the rear support member 22 is screwed to the front end of the nail member (A), and after coupling the expansion tube body 10 to the outside of the nail member (A), the nail member (A) is By screwing the front support member 21 back to the front end, the fixing unit B may be installed at the front end of the nail member A.

이때, 상기 전후방 지지부재(21,22)는 전후단부가 상기 확경부재(11)의 경사부(11c)에 밀착되도록 조여진다.At this time, the front and rear end portions of the front and rear support members 21 and 22 are tightened so as to be in close contact with the inclined portion 11c of the diameter expansion member 11 .

그리고, 작업자가 도 7에 도시한 바와 같이, 상기 고정유닛(B)이 사면에 형성된 천공구멍(1)의 내부 끝부분 까지 삽입되도록 상기 네일부재(A)를 설치한 후, 도 1에 도시한 바와 같이, 네일부재(A)의 후단부 외측에 상기 가압관(30)을 결합하고, 가압관(30)을 전방으로 밀어 가압관(30)의 전단부가 상기 확경부재(11)의 후측면에 밀착되도록 한다.Then, as shown in FIG. 7, after the operator installs the nail member (A) so that the fixing unit (B) is inserted up to the inner end of the drilling hole (1) formed on the slope, as shown in FIG. As shown, the pressure tube 30 is coupled to the outside of the rear end of the nail member A, and the pressure tube 30 is pushed forward so that the front end of the pressure tube 30 is the rear side of the enlarged diameter member 11 . to be adhered to.

그리고, 도 8에 도시한 바와 같이, 상기 가압관(30)이 움직이지 않도록 지지한 상태로 네일부재(A)를 후방으로 당기면, 상기 전방 지지부재(21)가 확경부재(11)의 경사부(11c)를 가아압하여, 확경부재(11)를 외측으로 밀어낸다.And, as shown in FIG. 8 , when the nail member A is pulled rearward in a state in which the pressure tube 30 is supported so as not to move, the front support member 21 is inclined of the diameter expansion member 11 . By pressing the portion 11c, the diameter expansion member 11 is pushed outward.

이때, 충분히 강한힘으로 네일부재(A)를 후방으로 당기면, 상기 고정부재(13)가 손상되면서 확경부재(11)가 외측으로 벌어져, 확경부재(11)의 외측둘레면이 천공구명(1)의 내주면에 밀착된다.At this time, when the nail member (A) is pulled backward with a sufficiently strong force, the fixing member 13 is damaged and the diameter expansion member 11 is opened to the outside, and the outer peripheral surface of the diameter expansion member 11 is drilled hole ( 1) adheres to the inner circumferential surface.

그리고, 도 9에 도시한 바와 같이, 상기 가압관(30)을 철거하고, 천공구멍(1)의 내부에 시멘트페이스트를 주입 및 경화시킴으로써, 네일링장치를 천공구멍(1)에 고정할 수 있다.Then, as shown in FIG. 9 , the nailing device can be fixed to the drilling hole 1 by removing the pressure tube 30 and injecting and hardening the cement paste into the drilling hole 1 . .

그리고, 시멘트페이스트가 충분히 경화된 후, 천공구멍(1)의 외부로 연장된 네일부재(A)를 적절한 길이로 절단하거나, 네일부재의 외측단에 패널을 설치함으로써, 사면의 보강을 완료할 수 있다.Then, after the cement paste is sufficiently hardened, the reinforcement of the slope can be completed by cutting the nail member (A) extending outside the drilling hole (1) to an appropriate length or by installing a panel at the outer end of the nail member. have.

이와 같이 구성된 네일링장치는 상기 고정유닛(B)은 상기 네일부재(A)의 전단부 외측에 결합된 확경통체(10)와, 상기 확경통체(10)의 전후방에 위치되도록 상기 네일부재(A)에 결합된 전후방 지지부재(21,22)로 구성되고, 상기 확경통체(10)는 상기 네일부재(A)의 양측에 구비되며 인접면에는 상기 네일부재(A)의 외주면이 삽입되는 삽입홈(11a)이 전후방향으로 연장되도록 형성되고 외측 둘레부에는 측방향으로 연장된 오목홈(11b)이 형성된 한 쌍의 확경부재(11)와, 상기 확경부재(11)의 둘레면을 감싸도록 상기 오목홈(11b)에 결합되어 상기 확경부재(11)가 상호 이격되지 않도록 고정하는 링형상의 고정부재(13)로 구성되어, 작업자가 네일부재(A)를 후방으로 당기면, 상기 전방 지지부재(22)에 의해 화경부재(11)가 외측으로 벌어지면서 천공구멍(1)의 내주면에 밀착고정됨으로, 구조가 매우 간단할 뿐 아니라, 네일링장치를 천공구멍(1)에 용이하게 고정할 수 있는 장점이 있다.In the nailing device configured as described above, the fixing unit (B) includes the expansion tube body 10 coupled to the outside of the front end of the nail member (A), and the nail member so as to be positioned at the front and rear sides of the expansion tube body 10 . It is composed of front and rear support members 21 and 22 coupled to (A), the expansion tube body 10 is provided on both sides of the nail member (A), and the outer peripheral surface of the nail member (A) is inserted into the adjacent surface. A pair of diameter expansion members 11 formed so that the insertion groove 11a is formed to extend in the front-back direction and a concave groove 11b extending in the lateral direction is formed on the outer periphery of the diameter expansion member 11 It consists of a ring-shaped fixing member 13 coupled to the concave groove 11b so as to surround the surface and fixing the diameter expansion member 11 not to be spaced apart from each other, and when the operator pulls the nail member A backward, , by the front support member 22, the hwagyeong member 11 is spread outwardly and is closely fixed to the inner circumferential surface of the drilling hole 1, so the structure is very simple and the nailing device is installed in the drilling hole 1 It has the advantage of being easily fixed.

그리고, 상기 확경부재(11)의 인접면에는 확경부재(11)가 상호 외측으로 이격되도록 탄성적으로 가압하는 탄성부재(12)가 구비됨으로, 확경부재(11)가 벌어지면, 확경부재(11)가 상기 탄성부재(12)에 의해 천공구멍(1)의 내주면에 견고하게 밀착고정되는 장점이 있다.And, since an elastic member 12 is provided on the adjacent surface of the diameter-expanding member 11 to elastically press the diameter-expanding member 11 to be spaced apart from each other, when the diameter-expanding member 11 is widened, There is an advantage that the hard member 11 is firmly fixed to the inner circumferential surface of the perforation hole 1 by the elastic member 12 .

또한, 상기 삽입홈(11a)의 전단부에는 전방으로 갈수록 내경이 커지는 경사부(11c)가 형성되고, 상기 전방 지지부재(21)의 후단부는 후방으로 갈수록 직경이 작아지도록 구성됨으로, 네일부재(A)를 후방으로 당길 때, 상기 전방 지지부재(21)가 경사부(11c)에 밀착되어, 확경부재(11)가 원활히 외측으로 벌어지도록 할 수 있는 장점이 있다.In addition, the front end of the insertion groove (11a) is formed with an inclined portion (11c) that increases the inner diameter toward the front, the rear end of the front support member (21) is configured to have a smaller diameter toward the rear, the nail member ( When pulling A) to the rear, the front support member 21 is in close contact with the inclined portion 11c, there is an advantage that the diameter expansion member 11 can be smoothly spread outward.

특히, 상기 네일부재(A)의 후단부 외측에는 전단부가 상기 확경부재(11)의 후측면에 밀착되는 가압관(30)이 결합됨으로, 네일부재(A)를 후방으로 당길 때, 상기 확경부재(11)가 후방으로 당겨지지 않도록 효과적으로 지지할 수 있는 장점이 있다.In particular, when the nail member (A) is pulled backward, the pressure tube 30 is coupled to the outside of the rear end of the nail member (A), so that the front end is in close contact with the rear side of the diameter expansion member (11). There is an advantage of being able to effectively support the hard member 11 so as not to be pulled back.

본 실시예의 경우, 상기 고정부재(13)는 강도가 낮은 합성수지재질로 구성된 것을 예시하였으나, 상기 고정부재(13)는 종이를 비롯한 다양한 재질의 것으로 변경될 수 있다.In the present embodiment, the fixing member 13 is made of a low-strength synthetic resin material, but the fixing member 13 may be made of various materials including paper.

특히, 상기 고정부재(13)를 물에 젖으면 손상되는 종이재질로 구성할 경우, 상기 고정유닛(B)과 네일부재(A)를 천공구멍(1)에 삽입한 후, 천공구멍(1)의 내부에 물이나 콘크리트페이스트를 주입하면, 고정부재(13)가 물에 젖어 손상됨으로써, 확경부재(11)가 탄성부재(12)의 탄성에 의해 자동으로 벌어지도록 할 수 있다.In particular, when the fixing member 13 is made of a paper material that is damaged when wet with water, after inserting the fixing unit (B) and the nail member (A) into the drilling hole (1), the drilling hole (1) When water or concrete paste is injected into the inside, the fixing member 13 is wet and damaged, so that the diameter expansion member 11 can be opened automatically by the elasticity of the elastic member 12 .

또한, 상기 확경통체(10)에서 상기 탄성부재(12)의 구조는 필요에 따라 생략될 수 있다.In addition, the structure of the elastic member 12 in the expansion tube body 10 may be omitted if necessary.

도 10은 본 발명에 따른 다른 실시예를 도시한 것으로, 상기 삽입홈(11a)의 전단부에는 전방으로 갈수록 내경이 커지는 경사부(11c)가 형성된다.10 shows another embodiment according to the present invention, the front end of the insertion groove (11a) is formed with an inclined portion (11c) having an inner diameter increases toward the front.

그리고, 상기 확경통체(10)에는 상기 네일부재(A)의 외측에 구비되며 외주면이 상기 경사부(11c)에 밀착되는 쐐기부재(14)가 더 구비된다.And, the expansion tube body 10 is provided on the outside of the nail member (A), the outer peripheral surface is further provided with a wedge member 14 in close contact with the inclined portion (11c).

상기 쐐기부재(14)는 상기 네일부재(A)가 관통하는 관통공(14a)이 중앙부에 전후면을 관통하도록 형성되고, 외경은 전방으로 갈수록 더 커지도록 구성된다.The wedge member 14 is configured such that the through hole 14a through which the nail member A passes through the front and rear surfaces is formed in the central portion, and the outer diameter becomes larger toward the front.

따라서, 앵커부재를 천공구멍(1)에 삽입하고, 상기 가압관(30)을 설치한 상태에서 상기 네일부재(A)를 후방으로 당기면, 상기 전방 지지부재(21)가 상기 쐐기부재(14)를 후방으로 가압하며, 상기 쐐기부재(14)와 경사부(11c)의 작용에 의해 확경부재(11)가 외측으로 벌어지면서, 확경부재(11)의 외주면이 천공구멍(1)의 내주면에 밀착된다.Therefore, when the anchor member is inserted into the perforation hole 1 and the nail member A is pulled rearward in the state in which the pressure tube 30 is installed, the front support member 21 becomes the wedge member 14. is pressed backward, and the diameter expansion member 11 is opened outward by the action of the wedge member 14 and the inclined portion 11c, and the outer circumferential surface of the diameter expansion member 11 is the inner circumferential surface of the drilling hole 1 is attached to

이와 같이 구성된 앵커부재는 상기 쐐기부재(14)를 이용하여 확경부재(11)가 외측으로 벌어지도록 함으로, 확경부재(11)가 더욱 효과적으로 외측으로 벌어질 뿐 아니라, 쐐기부재(14)와 경사부(11c)의 작용에 의해, 확경부재(11)가 더욱 강하게 천공구멍(1)의 내주면에 밀착되는 장점이 있다.The anchor member configured in this way allows the diameter expansion member 11 to open outward using the wedge member 14, so that the diameter expansion member 11 is more effectively spread outward, as well as the wedge member 14 and By the action of the inclined portion 11c, there is an advantage that the diameter expansion member 11 is more strongly in close contact with the inner circumferential surface of the perforation hole (1).

도 11 및 도 12는 본 발명에 따른 제3 실시예를 도시한 것으로, 상기 확경부재(11)의 둘레면에는 오목부(11e)가 형성되고, 상기 확경부재(11)에는 확경부재(11)의 인접면에서 상기 오목부(11e)로 개방되도록 연장된 가이드공(11f)이 형성된다.11 and 12 show a third embodiment according to the present invention, a concave portion 11e is formed on the circumferential surface of the diameter expansion member 11, and the diameter expansion member 11 is formed on the diameter expansion member 11. A guide hole (11f) extending to be opened to the concave portion (11e) from the adjacent surface of (11) is formed.

그리고, 기단부에 구비된 회동축(31a)에 의해 상기 오목부(11e)의 내부에 선단부가 외측으로 회동가능하게 결합되며 기단부에는 걸림턱(31b)이 형성된 앵커바(31)와, 상기 앵커바(31)에 연결되어 앵커바(31)의 선단부가 외측으로 회동되도록 탄성적으로 가압하는 보조탄성부재(32)와, 상기 확경부재(11)의 인접면에서 연장되어 반대편에 위치된 확경부재(11)의 가이드공(11f)에 삽입되며 선단부는 상기 앵커바(31)의 걸림턱(31b)에 걸려 앵커바(31)의 선단부가 상기 오목부(11e)의 내부에 위치되도록 앵커바(31)를 고정하는 고정바(33)가 더 구비된다.And, an anchor bar 31 having a distal end rotatably coupled to the inside of the concave portion 11e by a rotation shaft 31a provided at the proximal end and having a locking protrusion 31b formed at the proximal end thereof, and the anchor bar An auxiliary elastic member 32 that is connected to 31 and elastically presses the tip end of the anchor bar 31 to rotate outward, and an enlarged diameter extending from the adjacent surface of the diameter expanding member 11 and positioned on the opposite side The anchor bar is inserted into the guide hole 11f of the ashes 11 and the tip end of the anchor bar 31 is caught on the hook 31b of the anchor bar 31 so that the front end of the anchor bar 31 is positioned inside the recess 11e. A fixing bar 33 for fixing the 31 is further provided.

상기 앵커바(31)는 기단부가 상기 가이드공(11f)의 상하단에 각각 위치되도록 설치되며, 상기 걸림턱(31b)은 앵커바(31)의 선단부가 오목부(11e)의 내부로 삽입된 상태에서 상기 가이드공(11f)을 향하도록 위치설정된다.The anchor bar 31 is installed so that the proximal end is positioned at the upper and lower ends of the guide hole 11f, respectively, and in the locking step 31b, the front end of the anchor bar 31 is inserted into the recess 11e. It is positioned to face the guide hole (11f) in the.

상기 보조탄성부재(32)는 상기 회동축(31a)의 둘레부에 결합되며 양단이 상기 앵커바(31)와 오목부(11e)의 바닥면에 각각 고정되어 회동축(31a)의 선단부가 오목부(11e)의 외측으로 회동되도록 탄성적으로 가압하는 토션스프링을 이용한다.
상기 고정바(33)는 기단부가 상기 확경부재(11)의 인접면에 고정되어, 화경부재(11)가 외측으로 벌어지면, 즉, 도 12에 도시한 바와 같이, 상기 확경부재(11)의 간격이 벌어지면, 고정바(33)가 외측으로 슬라이드되면서 고정바(33)의 선단부가 걸림턱(31b)으로 부터 이탈되도록 구성된다.The auxiliary elastic member 32 is coupled to the periphery of the rotation shaft 31a and both ends are fixed to the bottom surfaces of the anchor bar 31 and the concave portion 11e, respectively, so that the front end of the rotation shaft 31a is concave. A torsion spring that elastically presses the portion 11e to rotate outwardly is used.
The fixing bar 33 has a base end fixed to the adjacent surface of the diameter expansion member 11, and when the diameter expansion member 11 opens outward, that is, as shown in FIG. 12, the diameter expansion member 11 ) is widened, the fixed bar 33 slides outwardly and the front end of the fixed bar 33 is configured to be separated from the engaging projection 31b.

따라서, 도 11에 도시한 바와 같이, 상기 고정부재(13)에 의해 확경부재(11)가 상호 인접방향으로 근접되도록 고정된 상태에서는, 상기 고정바(33)가 상기 앵커바(31)의 걸림턱(31b)에 걸려, 앵커바(31)가 상기 오목부(11e)의 내부로 삽입되도록 회동되도록 고정된다.Therefore, as shown in FIG. 11 , in the state where the diameter expansion member 11 is fixed so as to be adjacent to each other by the fixing member 13 , the fixing bar 33 is the anchor bar 31 . It is caught on the locking protrusion 31b, and the anchor bar 31 is fixed to be rotated so as to be inserted into the concave portion 11e.

그리고, 상기 네일링장치가 천공구멍(1)에 삽입된 상태에서, 도 12에 도시한 바와 같이, 상기 확경통체(10)가 외측으로 확경되면 상기 확경부재(11)의 간격이 멀어지게 되며, 이에 따라, 상기 고정바(33)가 걸림턱(31b)으로 부터 이탈되어 상기 고정바(33)와 걸림턱(31b)의 고정이 해제됨으로, 상기 보조탄성부재(32)에 의해 상기 앵커바(31)의 선단부가 확경부재(11)의 외측으로 돌출되도록 회동되면서, 앵커바(31)의 선단부가 상기 천공구멍(1)의 내주면에 박히게 된다.And, in the state in which the nailing device is inserted into the drilling hole 1, as shown in FIG. 12, when the diameter expansion cylinder 10 is expanded to the outside, the spacing between the diameter expansion members 11 is increased. As a result, the fixing bar 33 is separated from the locking jaw 31b and the fixing of the fixing bar 33 and the locking jaw 31b is released, so that the anchor by the auxiliary elastic member 32 While the front end of the bar 31 is rotated to protrude to the outside of the diameter expansion member 11 , the front end of the anchor bar 31 is embedded in the inner circumferential surface of the drilling hole 1 .

따라서, 단순히 상기 확경부재(11)의 외주면이 천공구멍(1)의 내주면에 밀착되어 확경통체(10)가 움직이지 않도록 고정하는 전술한 제1 실시예와 달리, 앵커바(31)의 선단부가 천공구멍(1)의 내주면에 박혀, 확경통체(10)가 더욱 효과적으로 움직이지 않도록 고정할 수 있는 장점이 있다.Therefore, unlike the first embodiment in which the outer circumferential surface of the diameter expansion member 11 is in close contact with the inner circumferential surface of the drilling hole 1 and the diameter expansion cylinder 10 is fixed so as not to move, the anchor bar 31 of The tip portion is embedded in the inner circumferential surface of the perforation hole (1), there is an advantage that can be fixed so that the expansion tube body (10) does not move more effectively.

A. 네일부재 B. 고정유닛
10. 확경통체 21,22. 전후방 지지부재A. Nail member B. Fixing unit
10. Hakgyeong Tongche 21,22. Front and rear support members

Claims (7)

전단부가 사면에 형성된 천공구멍(1)에 삽입되는 네일부재(A)와,
상기 네일부재(A)의 전단부에 구비되며 상기 천공구멍(1)의 내부에 고정되는 고정유닛(B)을 포함하는 네일링장치에 있어서,
상기 고정유닛(B)은
상기 네일부재(A)의 전단부 외측에 결합된 확경통체(10)와,
상기 확경통체(10)의 전후방에 위치되도록 상기 네일부재(A)에 결합된 전후방 지지부재(21,22)를 포함하고,
상기 확경통체(10)는
상기 네일부재(A)의 양측에 구비되며 인접면에는 상기 네일부재(A)의 외주면이 삽입되는 삽입홈(11a)이 전후방향으로 연장되도록 형성되고 외측 둘레부에는 측방향으로 연장된 오목홈(11b)이 형성된 한 쌍의 확경부재(11)와,
상기 확경부재(11)의 인접면에 구비되어 확경부재(11)가 상호 외측으로 이격되도록 탄성적으로 가압하는 탄성부재(12)와,
상기 확경부재(11)의 둘레면을 감싸도록 상기 오목홈(11b)에 결합되어 상기 확경부재(11)가 상호 이격되지 않도록 고정하는 링형상의 고정부재(13)를 포함하고,
상기 확경부재(11)의 둘레면에는 오목부(11e)가 형성되고,
상기 확경부재(11)에는 확경부재(11)의 인접면에서 상기 오목부(11e)로 개방되도록 연장된 가이드공(11f)이 형성되며,
상기 네일부재(A)의 후단부 외측에 결합되며 전단부가 상기 확경부재(11)의 후측면에 밀착되는 가압관(30)과,
기단부에 구비된 회동축(31a)에 의해 상기 오목부(11e)의 내부에 선단부가 외측으로 회동가능하게 결합되며 기단부에는 걸림턱(31b)이 형성된 앵커바(31)와,
상기 앵커바(31)에 연결되어 앵커바(31)의 선단부가 외측으로 회동되도록 탄성적으로 가압하는 보조탄성부재(32)와,
상기 확경부재(11)의 인접면에서 연장되어 반대편에 위치된 확경부재(11)의 가이드공(11f)에 삽입되며 선단부는 상기 앵커바(31)의 걸림턱(31b)에 결합되어 앵커바(31)의 선단부가 상기 오목부(11e)의 내부에 위치되도록 앵커바(31)를 고정하는 고정바(33)를 더 포함하는 것을 특징으로 하는 네일링장치.
The front end of the nail member (A) is inserted into the drilling hole (1) formed on the slope,
In the nailing device comprising a fixing unit (B) provided at the front end of the nail member (A) and fixed to the inside of the drilling hole (1),
The fixing unit (B) is
And the expansion tube body 10 coupled to the outside of the front end of the nail member (A),
and front and rear support members 21 and 22 coupled to the nail member A so as to be positioned at the front and rear of the expansion tube body 10,
The expansion tube 10 is
Insertion grooves 11a provided on both sides of the nail member A and into which the outer circumferential surface of the nail member A is inserted are formed on the adjacent surface to extend in the front-rear direction, and concave grooves extending laterally on the outer periphery ( 11b) a pair of diameter expansion members 11 formed therein;
An elastic member 12 provided on the adjacent surface of the diameter expansion member 11 and elastically pressing the diameter expansion member 11 to be spaced apart from each other outward;
A ring-shaped fixing member 13 coupled to the concave groove 11b so as to surround the circumferential surface of the diameter-expanding member 11 and fixing the diameter-expanding member 11 not to be spaced apart from each other,
A concave portion 11e is formed on the circumferential surface of the enlarged diameter member 11,
A guide hole 11f extending from the adjacent surface of the diameter expansion member 11 to the concave portion 11e is formed in the diameter expansion member 11,
A pressure tube 30 coupled to the outside of the rear end of the nail member (A) and having the front end in close contact with the rear surface of the enlarged diameter member (11);
An anchor bar 31 having a distal end rotatably coupled to the inside of the concave portion 11e by a rotation shaft 31a provided at the proximal end portion and having a locking protrusion 31b formed at the proximal end portion;
An auxiliary elastic member 32 connected to the anchor bar 31 and elastically pressing the tip end of the anchor bar 31 to rotate outward;
It extends from the adjacent surface of the enlarged diameter member 11 and is inserted into the guide hole 11f of the enlarged diameter member 11 positioned on the opposite side, and the tip is coupled to the locking jaw 31b of the anchor bar 31 to anchor the anchor. Nailing device, characterized in that it further comprises a fixing bar (33) for fixing the anchor bar (31) so that the front end of the bar (31) is located inside the recess (11e).
 삭제delete 제 1항에 있어서,
상기 삽입홈(11a)의 전단부에는 전방으로 갈수록 내경이 커지는 경사부(11c)가 형성되고,
상기 전방 지지부재(21)의 후단부는 후방으로 갈수록 직경이 작아지도록 구성된 것을 특징으로 하는 네일링장치.
The method of claim 1,
At the front end of the insertion groove (11a), an inclined portion (11c) whose inner diameter increases toward the front is formed,
The nailing device, characterized in that the rear end of the front support member (21) is configured to have a smaller diameter toward the rear.
 제 1항에 있어서,
상기 삽입홈(11a)의 전단부에는 전방으로 갈수록 내경이 커지는 경사부(11c)가 형성되고,
상기 확경통체(10)는 상기 네일부재(A)의 외측에 구비되며 외주면이 상기 경사부(11c)에 밀착되는 쐐기부재(14)를 더 포함하는 것을 특징으로 하는 네일링장치.
The method of claim 1,
At the front end of the insertion groove (11a), an inclined portion (11c) whose inner diameter increases toward the front is formed,
The expansion tube body (10) is provided on the outside of the nail member (A) and the outer peripheral surface of the nailing device, characterized in that it further comprises a wedge member (14) in close contact with the inclined portion (11c).
 삭제delete 삭제delete 제 1항에 나타난 네일링장치를 시공하는 방법으로서,
선단부에 상기 고정유닛(B)이 결합된 네일부재(A)의 선단부를 천공구멍(1)의 내부로 삽입하는 단계와,
상기 네일부재(A)의 후단부 외측에 가압관(30)을 결합하여 가압관(30)의 전단부가 상기 확경부재(11)의 후측면에 밀착되도록 하는 단계와,
상기 가압관(30)을 지지한 상태로 네일부재(A)를 후방으로 당겨 전방 지지부재(21)에 의해 상기 고정부재(13)가 손상되면서 확경부재(11)가 외측으로 벌어지도록 하는 단계와,
상기 가압관(30)을 철거하는 단계와,
천공구멍(1)의 내부에 시멘트페이스트를 주입하는 단계를 포함하는 것을 특징으로 하는 네일링장치 시공방법.As a method of constructing the nailing device shown in claim 1,
Inserting the tip of the nail member (A) to which the fixing unit (B) is coupled to the tip into the inside of the drilling hole (1);
coupling the pressure tube 30 to the outside of the rear end of the nail member (A) so that the front end of the pressure tube 30 is in close contact with the rear surface of the diameter expansion member 11;
Pulling the nail member (A) to the rear while supporting the pressure tube (30) so that the fixing member (13) is damaged by the front support member (21) so that the diameter expansion member (11) is opened to the outside Wow,
removing the pressure pipe 30;
A method of constructing a nailing device comprising the step of injecting cement paste into the drilling hole (1).
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100934274B1 (en) * 2009-04-09 2009-12-28 (자)한진개발공사 Soil nail of a ground pressure type and constructing method thereof
KR101175112B1 (en) 2011-10-27 2012-08-21 한지호 Multipurpose nailing anchor and construction method thereof
KR101241404B1 (en) * 2012-06-21 2013-03-11 주식회사 대성방재기술 Compress and tensile rock bolt and method for reinforcing ground using thereof
KR101985956B1 (en) * 2018-12-19 2019-06-05 주식회사 성지엔지니어링 Ground pressure type anchor with wedge having maximum expansion property for cross slope

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100934274B1 (en) * 2009-04-09 2009-12-28 (자)한진개발공사 Soil nail of a ground pressure type and constructing method thereof
KR101175112B1 (en) 2011-10-27 2012-08-21 한지호 Multipurpose nailing anchor and construction method thereof
KR101241404B1 (en) * 2012-06-21 2013-03-11 주식회사 대성방재기술 Compress and tensile rock bolt and method for reinforcing ground using thereof
KR101985956B1 (en) * 2018-12-19 2019-06-05 주식회사 성지엔지니어링 Ground pressure type anchor with wedge having maximum expansion property for cross slope

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