KR100430316B1 - Jacking & Connecting Device of Single Wire - Google Patents

Jacking & Connecting Device of Single Wire Download PDF

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Publication number
KR100430316B1
KR100430316B1 KR10-2001-0052618A KR20010052618A KR100430316B1 KR 100430316 B1 KR100430316 B1 KR 100430316B1 KR 20010052618 A KR20010052618 A KR 20010052618A KR 100430316 B1 KR100430316 B1 KR 100430316B1
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South Korea
Prior art keywords
steel wire
stranded
wedge
socket
spring
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KR10-2001-0052618A
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Korean (ko)
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KR20010110216A (en
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이창남
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이창남
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • E04G21/122Machines for joining reinforcing bars
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162Connectors or means for connecting parts for reinforcements
    • E04C5/163Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165Coaxial connection by means of sleeves

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Mechanical Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

본 발명은 한가닥강선(4, 4a)을 동일 선상에서 공간을 적게 차지하면서 모양좋게 잇는 한가닥강선긴장이음장치(1)에 관한 것이다.The present invention relates to a single-stranded wire tensioning device (1) that connects the single-stranded wires (4, 4a) in good shape while occupying little space on the same line.

구조물에 한가닥강선(4, 4a)을 정착, 긴장 보강하기 위해서는 정착단이 필요하나, 한가닥강선의 두 정착단 중 어느 곳에서도 강선을 긴장시키는 작업이 불가능할 때가 있다. 또한 한가닥강선의 정착단 사이의 간격이 너무 멀어서 도중에 강선을 이어야 할 경우, 그 이어주는 장소에서 강선을 긴장시키는 작업도 겸할 수 있도록 한다.In order to fix and reinforce the single-stranded steel wires 4 and 4a on the structure, a fixing stage is required, but there are times when it is impossible to tension the steel wire in either of the two strands of the single-stranded steel wire. In addition, if the distance between the settling end of the strand strand is too far, the steel wire should be pulled along the way.

쐐기스프링(10)이 내장된 스프링카플러(6) 양단에 수나사정착콘(7)을 돌려 끼우고 서로 이으려는 한가닥강선(4, 4a)의 끝을 유압실린더(17)로 긴장하면서 밀어 넣으면 수나사정착콘(7)의 쐐기(8) 내면에 조성된 톱날 같은 암나사가 스프링(13)과 협력하여 한가닥강선을 물어서 일체로 이어주는 방법이다. 한가닥강선 끝을 긴장하면서 수나사정착콘(7)에 밀어 넣는 방법은 스프링카플러(6)의 한쪽 끝을 쌍두콘소켓(2)에 지지시키고 다른 한쪽 끝에서 적당한 위치의 한가닥강선(4a)에 미리 끼워둔 집게쐐기(15)를 쌍두실린더소켓(3)의 집게콘(14)에 끼워 두 개의 유압실린더(17)를 쌍두실린더소켓(3) 뒷면에 대고 긴장용강선(5)을 잡아당기는 것이다. 유압실린더의 압력게이지로 한가닥강선의 긴장력을 확인하면 유압실린더의 압력을 풀어 강선홈(11, 11a)을 통해 쌍두콘소켓(2)과 쌍두실린더소켓(3)을 한가닥강선(4, 4a)과 분리하고 집게쐐기(15)를 제거하는 것으로 작업이 완료된다.Screw the fixing screw (7) on both ends of the spring coupler (6) with the wedge spring (10) and push the ends of the stranded steel wires (4, 4a) to be connected to each other with the hydraulic cylinder (17). A female screw like a saw blade formed on the inner surface of the wedge 8 of the cone 7 cooperates with the spring 13 to bite a single stranded steel wire and connect it integrally. The method of pushing the end of the stranded wire into the male screw fixing cone (7) while tensioning it is to support one end of the spring coupler (6) to the twin head socket (2) and insert it into the stranded steel wire (4a) at an appropriate position in advance from the other end. The tweezer wedge 15 is inserted into the tong cone 14 of the two-head cylinder socket 3, and the two hydraulic cylinders 17 are pulled against the back of the two-head cylinder socket 3 to pull the tension steel wire 5. After checking the tension of the stranded steel wire with the pressure gauge of the hydraulic cylinder, the pressure of the hydraulic cylinder is released and the double headed socket (2) and the double headed socket (3) are connected to the single stranded steel wire (4, 4a) through the steel wire grooves (11, 11a). The operation is completed by removing and removing the tong wedge 15.

Description

한가닥강선긴장이음장치{Jacking & Connecting Device of Single Wire}Single stranded wire tensioning device {Jacking & Connecting Device of Single Wire}

본 발명은 한가닥강선(4, 4a)을 중간에서 이으면서 동시에 긴장하는 장치로 한가닥강선의 단부 정착단에서 긴장하는 작업이 여의치 않을 경우, 또는 강선 중간에서 부득이 이어주는 작업이 필요할 경우, 차지하는 공간도 크지 않고 모양도 좋은 것이 필요함을 충족시키기 위한 것이다.The present invention is a device that tensions at the same time while the strand strands (4, 4a) in the middle and at the same time when the tension in the end anchoring end of the strand strands is not feasible, or when the unavoidable work in the middle of the strands, the space occupied is also large It is to satisfy the need for good shape.

종래에는 한가닥강선을 도중에서 잇기 위해서 강선 좌우에 각각 1개의 강선을 영구 배치하여야 편심 없는 이음이 가능했었다.In the related art, in order to connect a single stranded steel wire in the middle, one steel wire may be permanently disposed on the left and right sides of the steel wire to allow eccentric joints.

양단에 암나사를 조성하고 쐐기스프링(10)을 내장시킨 스프링카플러(6)에 서로 잇고자 하는 두 개의 한가닥강선(4, 4a) 끝 중 한 개에는 집게쐐기(15)와 수나사 정착콘(7)과 쐐기(8)를 끼우고 나머지 한 개에는 수나사 정착콘(7)과 쐐기(8)만을 끼운 채로 수나사정착콘(7)을 스프링카플러(6)에 돌려 맞춘 후 한가닥강선(4a)을 강제로 밀어 넣으면 쐐기스프링(10)의 밀대(12)가 스프링(13)의 힘으로 쐐기(8)를 밀어주므로 한가닥강선(4, 4a)은 쐐기(8)에 물려서 전진 정착하게 되는 것이다.One end of two stranded steel wires (4, 4a) to be connected to each other on a spring coupler (6) having a female thread formed at both ends and having a wedge spring (10) embedded therein, a tong wedge (15) and a male screw fixing cone (7). And wedge (8) and the other one, while only the male screw fixing cone (7) and the wedge (8), while turning the male screw fixing cone (7) to the spring coupler (6) and forced the strand strand (4a) When pushed in, the push rod 12 of the wedge spring 10 pushes the wedge 8 by the force of the spring 13, so that the stranded steel wires 4 and 4a are bitten by the wedge 8 to be fixed forward.

한가닥강선(4a) 끝을 긴장하면서 수나사정착콘(7)에 밀어 넣는 방법은 스프링카플러(6)의 한쪽 끝을 쌍두콘소켓(2)에 지지시키고 다른 한쪽 끝에서 적당한 위치의 한가닥강선(4a)에 미리 끼워둔 집게쐐기(15)를 쌍두실린더소켓(3)의 집게콘(14)에 끼워 두 개의 유압실린더(17)를 쌍두실린더소켓(3) 뒷면에 대고 긴장용강선(5)을 잡아당기는 것이다. 유압실린더(17)의 압력게이지로 한가닥강선(4, 4a)의 긴장력을 확인하면 유압실린더의 압력을 풀어 강선홈(11, 11a)을 통해 쌍두콘소켓(2)과 쌍두실린더소켓(3)을 한가닥강선(4, 4a)과 분리하고 집게쐐기(14)를 제거하는 것으로 작업이 완료된다.The method of pushing the end of the stranded steel wire 4a into the male screw fixing cone 7 while tensioning it is to support one end of the spring coupler 6 to the double head socket 2 and the stranded steel wire 4a of the proper position at the other end. Clamp the tension wire (5) against the rear of the twin cylinder socket (3) by inserting the prescrew wedge (15) pre-fitted to the clamp cylinder (14) of the twin cylinder socket (3). will be. When the tension force of the stranded steel wires 4 and 4a is confirmed by the pressure gauge of the hydraulic cylinder 17, the pressure of the hydraulic cylinder is released and the two head socket socket 2 and the two head cylinder socket 3 are opened through the steel wire grooves 11 and 11a. The work is completed by separating the strand strands 4 and 4a and removing the wedge 14.

기존 구조물의 구조부재, 예를 들어 보의 단면에서 인장 응력이 초과하는 부분 외부표면에 강선을 배열하여 유압실린더로 긴장하는데 있어서 강선의 정착단은 보의 최 외단에 부착하여야 보강 효과가 좋은 경우가 많다. 그러나, 그 부분에는 슬래브나 다른 보 또는 기둥이 가로막고 있어서 유압실린더를 배치하여 긴장 작업을 하는데 지장을 있다. 이를 해소하기 위하여 정착단은 최 외곽단에 부착하고 강선을 중간 적당한 위치에서 절단하여 둘을 긴장하면서 이어줄 수 있는 방법이 필요하다. 그러나 지금까지 개발된 강선 긴장용 유압실린더는 긴장하고자 하는 강선 한쪽 끝단을 유압실린더 단면 중심을 통과시키면서 잡아끄는 방식이므로 적용이 불가능하다. 따라서 이으려는 좌우 강선 끝을 강선 외곽에서 긴장하여 잇는 방법이 모색되어야 한다. 그러나 한 개의 유압실린더로 그 작업을 하기 위해서는 유압실린더 중심축과 강선과의 사이에 편심 응력이 생기므로 실린더가 휨모멘트를 부담하여야하므로 크기가 커지며, 크기를 키운만큼 편심 응력이 더 늘어나는 악순환이 발생한다. 따라서 이를 해소하는 방법으로 두 개의 유압실린더를 평행으로 고정시켜 배치하는 전용 긴장장치도 고려하였으나, 부속 자재들의 중량 때문에 현장 작업에 어려움이 있다. 따라서 중량이 가벼우면서도 재래식 유압 실린더를 활용할 수 있는 간편한 방법이 필요하다.In the case of tensioning with hydraulic cylinders by arranging steel wires on structural members of existing structures, for example, the outer surface of the section where the tensile stress is exceeded in the cross section of the beam, the fixing end of the steel wire should be attached to the outermost end of the beam in order to have good reinforcing effect. many. However, the slab or other beams or pillars are blocked in the part, which interferes with the tensioning of the hydraulic cylinders. In order to solve this problem, the anchoring end needs to be attached to the outermost edge and cut the steel wire at a suitable position in the middle to connect the two with tension. However, the steel cylinder tension cylinder developed so far is not applicable because it pulls one end of the steel wire to be passed through the center of the hydraulic cylinder cross section. Therefore, the method of tensioning the ends of the left and right wires to be formed outside the wires should be sought. However, in order to work with one hydraulic cylinder, an eccentric stress is generated between the central axis of the hydraulic cylinder and the steel wire, so the cylinder has to bear the bending moment, which increases in size and the vicious cycle in which the eccentric stress increases as the size is increased. do. Therefore, in order to solve this problem, but also considered a dedicated tension device for fixing the two hydraulic cylinders in parallel, there is a difficulty in the field work because of the weight of the accessories. Therefore, there is a need for an easy way to utilize conventional hydraulic cylinders while being light in weight.

또한 지금까지 강선을 도중에 잇기 위하여 사용하는 카플러들은 모두가 암나사와 수나사를 서로 돌려 끼우는 것이나, 긴장 작업시 강선의 축이 조금이라도 중심선을 이탈하거나 각도가 달라져도 나사를 돌리는 작업에 지장을 주므로 강선을 단순히 밀어 넣기만 하면 물어주는 간편한 방법이 필요하다.In addition, the couplers that are used to connect the steel wire in the middle so far are all screwed together with the female screw and the male screw, but during the tensioning work, the steel wire is simply interrupted when the axis of the steel wire is slightly off the center line or the angle is changed. Just push it and you need a simple way to ask.

도1은 한가닥강선긴장이음장치(1)를 작동하는 과정을 설명하는 사시도이다.1 is a perspective view illustrating a process of operating the single-stranded wire tensioning device (1).

도2는 스프링카플러의 사시도이다.2 is a perspective view of a spring coupler.

도3은 쐐기스프링의 사시도이다.3 is a perspective view of a wedge spring.

<도면의 부호에 대한 간단한 설명><Brief description of the symbols in the drawings>

1 : 한가닥강선긴장이음장치1: strand strand wire tensioning device

2 : 쌍두콘소켓2: Double head socket

3 : 쌍두실린더소켓3: double head cylinder socket

4, 4a : 한가닥강선4, 4a: single stranded wire

5 : 긴장용강선5: tension steel wire

6 : 스프링카플러6: spring coupler

7 : 수나사정착콘7: Male thread fixing cone

8 : 쐐기8: wedge

9 : 긴장용강선구멍9: tension steel wire hole

10 : 쐐기스프링10: wedge spring

11, 11a : 강선홈11, 11a: steel wire groove

12 : 밀대12: push rod

13 : 스프링13: spring

14 : 집게콘14: tong cone

15 : 집게쐐기15: tong wedge

16 : 밀대턱16: wheat sill

17 : 유압실린더17: hydraulic cylinder

도 1에서 직4각형 철판 중앙에 한가닥강선(4)이 자유롭게 드나들 수 있는 강선홈(11)을 조성하고, 그 좌우에 쐐기(8)를 끼울 수 있도록 콘을 뚫은 쌍두콘소켓(2)과, 직사각형 철판 중앙에 쌍두콘소켓(2)처럼 한가닥강선(4a)용 강선홈(11a)을 조성한 한쪽면에 집게콘(14)이 부착되고 그 좌우에는 긴장용강선구멍(9)을 뚫은 쌍두실린더소켓(3)을 나란히 놓고 좌우에 긴장용강선(5)을 끼우고 쌍두실린더소켓(3) 뒷면에 유압잭을 걸어 긴장용강선(5)을 긴장시키면 쌍두실린더소켓(3)이 쌍두콘소켓(2) 방향으로 이동하게 된다.In Figure 1 in the center of the rectangular iron plate to form a steel wire groove (11) that can be freely entered into the strands (4), and double head socket (2) and drilled the cone so that the wedge (8) can be fitted to the left and right A double head cylinder with a tong cone 14 attached to one side of the steel plate groove 11a for the single stranded steel wire 4a, such as the double head socket 2 in the center of a rectangular steel plate, and the left side of the steel wire hole 9 is drilled to the left and right sides thereof. Place the sockets (3) side by side and insert the tension steel wires (5) on the left and right side and hang the hydraulic jack on the back of the two head cylinder socket (3) to tension the tension steel wire (5) .The two head cylinder socket (3) is the two head socket socket (2). Direction).

스프링카플러(6)의 한쪽에는 한가닥강선(4)을 끼우고 나머지 한쪽에는 적당한 위치에 집게쐐기(15)가 장착된 한가닥강선(4a)을 끼워서 쌍두콘소켓(2)과 쌍두실린더소켓(3) 사이에 끼우면 2개의 유압실린더(17)로 한가닥강선(4, 4a)을 긴장하여 이어줄 작업 준비가 완료된다.Insert one stranded steel wire (4) on one side of the spring coupler (6) and one stranded steel wire (4a) on which the tongs wedge (15) is mounted at a suitable position on the other side, and the two head socket (2) and the two head cylinder socket (3). When sandwiched between two hydraulic cylinders 17, the stranded steel wires (4, 4a) is ready to work to tension the connection.

도 1, 도 2, 도 3에서 양단에 암나사와 밀대턱(16)을 조성하고 쐐기스프링(10)을 내장시킨 스프링카플러(6)의 양단에 잇고자 하는 한가닥강선(4, 4a)를 끼우는 요령은 아래와 같다. 즉 한가닥강선(4a) 끝에는 집게쐐기(15)와 수나사정착콘(7)과 쐐기(8)를 끼우고 한가닥강선(4a)에는 수나사 정착콘(7)과 쐐기(8) 만을 끼운 채로 수나사정착콘(7)을 스프링카플러(6)에 돌려 맞춘 후 한가닥강선(4a)을 강제로 밀어 넣으면 밀대(12)가 스프링(13)의 힘으로 쐐기(8)를 수나사정착콘(7) 방향으로 밀어주므로 한가닥 강선(4a)은 쐐기(8) 내면에 조성된 톱날 같은 암나사에 물려서 후퇴 없는 전진만 하게 되는 것이다.1, 2, and 3 in the two ends of the female screw and the straw jaw (16) to form the tip of the stranded wire (4, 4a) to be connected to both ends of the spring coupler (6) in which the wedge spring (10) is built Is shown below. That is, the pinned wedge 15, the male screw fixing cone 7 and the wedge 8 are inserted at the end of the strand strand 4a, and the male screw fixing cone 7 and the wedge 8 are inserted only at the strand of the strand 4a. (7) is screwed into the spring coupler (6) and then pushed the stranded steel wire (4a) forcibly pushed the wedge (8) in the direction of the male screw mounting cone (7) by the force of the spring 13 Single-stranded wire 4a is only going forward without retraction by being bitten by a saw blade-like female screw formed on the inner surface of the wedge 8.

한가닥강선(4a)을 스프링카플러(6) 방향으로 밀어주는 방법은 도 1에서 집게쐐기(15)를 쌍두실린더소켓(3)의 집게콘(14)에 끼우고 집게쐐기(15)가 없는 쪽의 스프링카플러(6) 끝이 쌍두콘소켓(2)에 면하도록 한가닥강선(4)을 강선홈(11)에 끼우고, 쌍두실린더소켓(3) 뒷면에서 한가닥 강선(4a)의 좌우에 위치한 두 개의 긴장용강선(5)을 각각의 유압실린더(17)로 동시 긴장시키면 집게쐐기(15)가 한가닥강선(4a)을 물어 스프링카플러(6) 안으로 밀어 넣는 것이다.The method for pushing the stranded steel wire 4a in the direction of the spring coupler 6 is to insert the tongs wedge 15 into the tongs cone 14 of the double head cylinder socket 3 in FIG. 1 and to the side without the tongs wedge 15. Insert the single stranded steel wire 4 into the steel wire groove 11 so that the end of the spring coupler 6 faces the double head socket 2, and the two two strands located on the left and right sides of the single stranded steel wire 4a at the rear of the double head cylinder socket 3 Simultaneous tension of the tension steel wire (5) with each hydraulic cylinder (17) is the forceps wedge 15 is pushed into the spring coupler (6) by biting the strand strand (4a).

유압실린더(17)의 게이지로 소정의 긴장력 확보를 확인하면 유압을 풀고 스프링카플러(6)로 이어진 한가닥강선(4, 4a)에서 쌍두소켓(2)과 쌍두실린더소켓(3) 및 집게쐐기(15)를 제거한다.When the hydraulic tension of the hydraulic cylinder (17) confirms that the predetermined tension is secured, the hydraulic pressure is released and the double head socket (2), the double head socket (3) and the tong wedge (15) on the single stranded steel wires (4, 4a) connected to the spring coupler (6). ).

보강하고자 하는 구조 부재의 최외단에다 강선 정착단을 부착할 수 있어서보강 효과가 크며, 강선 이음 카플러의 외관이 아름답다. 또한 긴장 정착하는 유압실린더는 일반용을 활용할 수 있어서 경제적이며, 긴장장치의 중량이 적고 분리형이어서 긴장작업 효과가 좋다.The steel wire fixing end can be attached to the outermost end of the structural member to be reinforced, so the reinforcing effect is large, and the appearance of the steel wire coupling coupler is beautiful. In addition, the hydraulic cylinder for tension fixing is economical because it can be used for general use, and the tension device is light and the separation type is good, so the tension work effect is good.

Claims (4)

한가닥강선(4a) 끝에 집게쐐기(15)를 설치하여 강선홈(11a)을 조성한 쌍두실린더소켓(3) ;Two-head cylinder socket (3) having a steel wire groove (11a) is formed by installing a tong wedge (15) at the end of the strand strand (4a); 상기 쌍두실린더소켓(3)은 긴장용강선(5)이 통과할 수 있는 철판의 한쪽 면에 집게콘(14)을 끼우고, 반대편의 쌍두콘소켓(2)에는 한가닥강선(4)이 자유롭게 통과할 수 있는 강선홈(11)을 조성하며 좌우에 긴장용강선(5)을 고정한 쐐기(8)를 끼울 수 있도록 구성하고 ;The two-head cylinder socket (3) is inserted into the clamping cone (14) on one side of the iron plate through which the tension steel wire (5) can pass, the single-strand steel wire (4) is freely passed through the two-headed socket socket (2) Forming a steel wire groove (11) to be configured to fit the wedge (8) fixing the tension steel wire (5) on the left and right; 상기 쌍두실린더소켓과 쌍두콘소켓 사이에 설치된 스프링카플러(6)는 한가닥강선(4a)의 좌우에 위치한 두 개의 긴장용강선(5)을 유압실린더(17)로 긴장하여 스프링카플러(6) 안으로 밀어 한가닥강선(4a)을 긴장하도록 구성된 것을 특징으로 하는 한가닥강선긴장이음장치The spring coupler 6 installed between the two head cylinder socket and the two head socket connects the two tension steel wires 5 located on the left and right sides of the single stranded steel wire 4a with the hydraulic cylinder 17 to push the spring coupler into the spring coupler 6. Single-stranded wire tensioning device characterized in that configured to tension the stranded wire (4a) 제1항에 있어서, 스프링카플러(6)는 양단에 암나사와 밀대턱(16), 수나사정착콘(7)을 조성하여 쐐기스프링(10)이 내장되도록 구성하고 ;The method of claim 1, wherein the spring coupler (6) is formed so that the wedge spring (10) is built by forming a female screw, a wheat chin (16), a male screw fixing cone (7) at both ends; 상기 쐐기스프링은 한가닥강선(4a)을 강제로 밀어 넣으면 밀대(12)가 스프링(13)의 힘으로 쐐기(8)를 수나사정착콘(7) 방향으로 밀어주므로 한가닥강선(4a)이 쐐기(8) 내면에 조성된 톱날 같은 암나사에 물려 후퇴 없는 전진만 하도록 구성된 것을 특징으로 하는 한가닥강선긴장이음장치.When the wedge spring is forcibly pushed on the stranded steel wire 4a, the rod 12 pushes the wedge 8 in the direction of the male screw fixing cone 7 by the force of the spring 13, so the stranded steel wire 4a is wedge 8 ) Stranded wire tensioning device characterized in that it is configured to advance only without retraction by being bitten by a female screw like a saw blade formed on the inner surface. 삭제delete 삭제delete
KR10-2001-0052618A 2001-08-29 2001-08-29 Jacking & Connecting Device of Single Wire KR100430316B1 (en)

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