KR101416598B1 - Underground cable support apparatus for apartment house - Google Patents

Underground cable support apparatus for apartment house Download PDF

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Publication number
KR101416598B1
KR101416598B1 KR1020140067558A KR20140067558A KR101416598B1 KR 101416598 B1 KR101416598 B1 KR 101416598B1 KR 1020140067558 A KR1020140067558 A KR 1020140067558A KR 20140067558 A KR20140067558 A KR 20140067558A KR 101416598 B1 KR101416598 B1 KR 101416598B1
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KR
South Korea
Prior art keywords
center bracket
underground cable
curvature
bracket
slide block
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KR1020140067558A
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Korean (ko)
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조영기
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(주)상우엔지니어링
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Priority to KR1020140067558A priority Critical patent/KR101416598B1/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
    • H02G9/065—Longitudinally split tubes or conduits therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/26—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0456—Ladders or other supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
    • H02G9/025—Coverings therefor, e.g. tile

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The present invention relates to an underground cable support apparatus for apartment houses capable of installing an underground cable installed at a curved section of an underground power conduit pipe by controlling a curvature of the underground cable according to a curvature of the curved section. A long guide hole (33g) is formed at the center of an upper plate (33) of a center bracket (30). A movable part (41) inserted into the long guide hole (33g) is formed at a slide block (40). Guide pins (42a, 42b) coming into contact with the lower surface of the upper plate (33) of the center bracket (30) are inserted into pin holes (41a, 41b) formed at the movable part (41) in order for both ends thereof to protrude. An end of the curvature variable screw (50) coupled with a screw hole (41t) formed at the movable part (41) is installed at a bending piece (35) formed at the end of the center bracket(30). A handle (52) is installed at the end of the curvature variable screw (50), and vertical axes (61,63) for supporting a rotation block (70) are installed at lateral brackets (60, 62) which are installed on both sides of the center bracket(30). Rubber supports (80,85) for supporting the underground cable (27) are coupled with a slide block (40) and a rotation block (70), respectively. Through holes (37a, 37b, 67) for inserting the guide pins (42a, 42b) into the center bracket (30) are formed at the center bracket (30) and the lateral brackets (60, 62).

Description

공동주택용 지중선로 케이블 지지장치{Underground cable support apparatus for apartment house}BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cable support apparatus for an apartment house,

본 발명은 공동주택용 지중선로 케이블 지지장치에 관한 것으로, 더욱 상세하게는 지중케이블을 지중전력구의 곡선구간의 곡률에 맞게 조절하여 설치할 수 있도록 한 공동주택용 지중선로 케이블 지지장치에 관한 것이다.More particularly, the present invention relates to an underground cable support device for an underground cable which can be installed by adjusting an underground cable to a curvature of a curved section of an underground power cable.

지중선로는 도시미관확보와 가공선로 시설이 기술적으로 불가능하고, 유지보수가 곤란한 지역에 주로 설치되며, 특히, 가공선이 집중되어 있는 변전소 인출 부근, 부하밀도가 높고 고층빌딩으로서 공급여력을 확보하는데 다회선 구성이 기술적으로 곤란한 개소 등에 설치된다.It is mainly installed in the area where underground facilities are technically impossible and maintenance is difficult because of securing the aesthetics of the city and the facilities of the processing line. Especially, it has a high load density and secure the supply capacity as a high-rise building near the substation where the processing lines are concentrated. It is installed in a place where the circuit configuration is technically difficult.

이와 같은 지중선로에 이용되는 종래 케이블 지지구조는 첨부도면 도 1 및 도 2에 도시된 바와 같이 전력구 벽면(10)에 수직으로 설치되는 앵글(11)에 수직장공(12)이 상하방향으로 일정한 간격을 이루도록 형성되어 있고, 그 수직장공(12)에 끼워져 걸리는 "T"자 모양의 걸림쇠(13)가 케이블지지대(14)의 측면에 형성되어 있으며, 케이블지지대(14)의 하단 중앙에는 직각으로 절곡된 걸림턱(15)이 형성되어 케이블지지대(14)를 상측으로 기울인 상태에서 걸림쇠(13)를 수직장공(12)에 끼운 다음 케이블지지대(14)를 수평하게 내리게 되면, 걸림쇠(13)가 수직장공(12)에 걸리는 동시에 케이블지지대(14)에 형성된 걸림턱(15)이 앵글(11)의 단부에 걸리도록 되어 있었다.The conventional cable support structure used for such an underground cable has a structure in which a vertical slot 12 is formed in an angle 11 vertically installed on a power hole wall 10 as shown in FIGS. 1 and 2, Quot; T "-shaped latch 13, which is inserted into the vertical slot 12, is formed on the side of the cable support 14, and the lower end of the cable support 14 is formed at a right angle When the cable support 14 is lowered horizontally after the bent portion 15 is formed and the cable support 14 is tilted upward and the cable 13 is inserted into the vertical slot 12, The engagement protrusion 15 formed on the cable support 14 is caught by the end of the angle 11 while being caught by the vertical slot 12.

즉, 케이블지지대(14)에 형성된 걸림쇠(13)는 측방향으로 이탈되는 것을 방지하는 작용을 하고, 걸림턱(15)은 케이블지지대(14)가 수평을 유지하도록 하는 작용을 하게 된다.In other words, the latch 13 formed on the cable support 14 acts to prevent lateral detachment, and the latching jaw 15 serves to keep the cable support 14 horizontal.

그러나, 이와 같은 종래 지중선로용 케이블 지지구조는 지중전력구 벽면의 곡선구간에 설치되는 경우 지중케이블을 곡선구간의 곡률에 맞추어 부드럽게 구부리지 못하고, 지중케이블의 중간중간을 벤딩하여 다각도를 이루도록 설치할 수 밖에 없어 설치작업에 어려움이 있었으며, 지중케이블의 벤딩부위에 휨응력이 과도하게 집중되어 절연피복부의 수명이 단축되는 문제점이 있었다.However, in the conventional cable supporting structure for a underground cable, when the cable is installed in the curved section of the underground power wall, the underground cable can not be bent smoothly according to the curvature of the curved section, There is a problem that the installation work is difficult and the bending stress is excessively concentrated at the bending portion of the underground cable to shorten the life time of the insulating cover portion.

KRKR 10-101937210-1019372 B1B1 KRKR 10-092014810-0920148 B1B1

본 발명은 상기와 같은 문제점을 해결하기 위하여 이루어진 것으로, 그 목적은 공동주택의 지중전력구 곡선구간에 설치되는 지중케이블을 곡선구간의 곡률에 맞추어 곡선형으로 조절할 수 있는 공동주택용 지중선로 케이블 지지장치를 제공함에 있다.SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an underground cable for a residential house, which can be curved in accordance with the curvature of a curved section, .

이러한 본 발명의 목적을 달성하기 위하여 센터브래킷의 상판 중앙에 가이드장공을 형성하고, 가이드장공에 삽입되는 가동부를 슬라이드블록에 형성하며, 센터브래킷의 상판 저면에 접촉되는 가이드핀을 가동부에 형성된 핀구멍에 삽입하여 양단을 돌출되게 설치하고, 가동부에 형성된 나사구멍에 결합되는 곡률가변스크류의 단부를 센터브래킷의 끝부분에 형성된 절곡편에 설치하며, 곡률가변스크류의 단부에 핸들을 설치하고, 센터브래킷의 양쪽 측면에 설치된 측면브래킷에 회전블록을 지지하기 위한 수직축을 설치하며, 지중케이블을 지지하기 위한 고무받침을 슬라이드블록과 회전블록에 각각 결합하고, 가이드핀을 센터브래킷 안쪽으로 집어넣기 위한 관통구멍을 센터브래킷과 측면브래킷에 형성하여 공동주택용 지중선로 케이블 지지장치가 제공된다.In order to achieve the object of the present invention, a guide slot is formed at the center of the upper plate of the center bracket, a movable block inserted into the guide slot is formed in a slide block, and a guide pin contacting the bottom surface of the upper plate of the center bracket is inserted into a pin hole And the end of the variable-angle screw is coupled to the screw hole formed in the movable portion. The end portion of the variable-angle screw is provided at the bent portion formed at the end of the center bracket. The handle is provided at the end of the variable- A rubber bracket for supporting the underground cable is coupled to the slide block and the rotation block, and a through hole for inserting the guide pin into the center bracket, To the center bracket and the side bracket, It is provided.

이상에서 설명한 바와 같은 본 발명은 슬라이드블록과 회전블록에 의해 지중케이블을 지중전력구 곡선구간의 곡률에 맞게 곡선형으로 편리하게 조절할 수 있으므로, 지중케이블의 설치작업이 신속하고 간편하게 되는 효과가 있다.As described above, according to the present invention, the underground cable can be conveniently adjusted in a curved shape according to the curvature of the underground power curved line section by the slide block and the rotating block, so that the installation work of the underground cable can be performed quickly and easily.

또, 슬라이드블록과 회전블록에 탄성을 갖는 고무받침이 각각 설치되어 있기 때문에 지중전력구의 곡선구간 곡률에 맞게 지중케이블의 곡률을 조절할 때 지중케이블의 변형에 따라 고무받침의 케이블지지면도 곡면형태로 탄성변형되어 지중케이블을 지지면을 균일한 압력으로 지지할 수 있는 효과가 있다.In addition, since the slide block and the rotating block are provided with resilient rubber bearings, when the curvature of the underground cable is adjusted according to the curvature curvature of the underground power sphere, the cable support surface of the rubber bearer, The support surface can be supported at a uniform pressure by deforming the underground cable.

또한, 고무받침의 탄성력을 떨어뜨리는 수직홈이 형성되어 있으므로 고무받침의 탄성변형이 부드럽게 이루어져 곡률조절작업에 힘이 적게 드는 효과가 있다.Further, since the vertical grooves for reducing the elastic force of the rubber base are formed, the elastic deformation of the rubber base is made smooth, so that the force for adjusting the curvature is less.

더 나아가서 본 발명은 측면브래킷과 센터브래킷에 형성되어 있는 관통구멍에 의해 슬라이드블록에 결합되는 가이드핀을 센터브래킷의 안쪽으로 편리하게 집어넣을 수 있도록 배려되어 있기 때문에 가이드핀과 슬라이드블록의 조립작업 또는 분해작업을 편리하게 할 수 있는 효과도 있다.Furthermore, since the guide pin coupled to the slide block by the through-hole formed in the side bracket and the center bracket is designed to be easily inserted into the center bracket, the assembly operation of the guide pin and the slide block There is also an effect that the disassembly operation can be made convenient.

또, 보강축에 의해 센터브래킷의 벌어짐을 줄일 수 있도록 되어 있기 때문에 센터브래킷의 강도가 향상된다.In addition, since the expansion of the center bracket can be reduced by the reinforcing shaft, the strength of the center bracket is improved.

도 1은 종래 지중선로용 케이블 지지구조를 보인 정면측 사시도
도 2는 종래 지중선로용 케이블 지지구조를 보인 배면측 분해사시도
도 3은 본 발명에 따른 공동주택용 지중선로 케이블 지지장치를 보인 사시도
도 4는 본 발명에 따른 공동주택용 지중선로 케이블 지지장치에 지중케이블이 설치된 것을 보인 사시도
도 5는 도 4의 저면사시도
도 6은 본 발명에 따른 공동주택용 지중선로 케이블 지지장치를 보인 평면도
도 7은 본 발명에 따른 공동주택용 지중선로 케이블 지지장치를 보인 저면도
도 8은 도 6의 A-A'선 단면도
도 9는 도 6의 B-B'선 단면도
도 10은 본 발명에 따른 공동주택용 지중선로 케이블 지지장치를 보인 분해사시도
도 11은 본 발명에 따른 센터브래킷을 보인 사시도
도 12는 본 발명에 따른 측면브래킷과 수직축을 보인 분리사시도
도 13은 본 발명에 따른 슬라이드블록과 고무받침 및 가이드핀을 보인 분리사시도
도 14 본 발명에 따른 회전블록과 고무받침을 보인 분리사시도FIG. 1 is a front view of a conventional cable supporting structure for an underground cable.
2 is a rear exploded perspective view showing a cable supporting structure for a conventional underground cable.
Fig. 3 is a perspective view showing a cable supporting device for an underground cable for a dwelling house according to the present invention; Fig.
Fig. 4 is a perspective view showing an underground cable installed in an underground cable support apparatus for a dwelling house according to the present invention; Fig.
Figure 5 is a bottom perspective view of Figure 4,
Fig. 6 is a plan view showing a cable supporting device for an underground cable for a dwelling house according to the present invention
FIG. 7 is a bottom view showing a cable supporting device for an underground cable for a dwelling house according to the present invention
8 is a sectional view taken along the line A-A 'in Fig. 6
9 is a sectional view taken along line B-B '
Fig. 10 is an exploded perspective view showing a cable support device for a subway underground line according to the present invention
11 is a perspective view showing a center bracket according to the present invention.
12 is a perspective view of a side bracket according to the present invention,
13 is an exploded perspective view showing the slide block, the rubber base, and the guide pin according to the present invention.
Figure 14 is an exploded perspective view showing the rotating block and the rubber base according to the present invention.

이하 본 발명에 따른 실시예를 첨부도면을 참조하여 상세히 설명한다.Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

첨부도면 도 3내지 도 14 도시된 바와 같이 센터브래킷(30)의 상판(33) 중앙에 길이방향을 따라 일정한 폭으로 장방형의 가이드장공(33g)을 형성하고, 가이드장공(33g)에 삽입되어 직선운동되는 가동부(41)를 슬라이드블록(40)의 하부에 일체로 형성하며, 슬라이드블록(40)은 센터브래킷(30)의 상판(33)에 얹혀진 상태에서 미끄러지도록 설치한다.A guide elongated hole 33g having a predetermined width along the longitudinal direction is formed at the center of the upper plate 33 of the center bracket 30 as shown in FIGS. 3 to 14 and inserted into the guide elongated hole 33g, The movable block 41 is integrally formed at a lower portion of the slide block 40 and the slide block 40 is slidably mounted on the upper plate 33 of the center bracket 30.

또, 가이드장공(33g)으로 삽입된 가동부(41)가 분리되는 것을 방지하기 위해 센터브래킷(30)의 상판(33) 저면에 접촉되는 가이드핀(42a)(42b)을 가동부(41)에 형성된 핀구멍(41a)(41b)에 삽입한 후 가이드핀(42a)(42b)의 양단을 양쪽으로 돌출되게 설치한다.Guide pins 42a and 42b which are in contact with the bottom surface of the upper plate 33 of the center bracket 30 are formed in the movable portion 41 so as to prevent the movable portion 41 inserted into the guide slot 33g from being separated. Both ends of the guide pins 42a and 42b are inserted into the pin holes 41a and 41b so as to protrude from both sides.

핀구멍(41a)(41b)에 삽입되는 가이드핀(42a)(42b)은 압입하거나 삽입전 접착제 등을 도포하여 영구히 결합할 수도 있으며, 가동부(41)에 형성된 나사구멍(41t)에는 곡률가변스크류(50)를 결합하고, 곡률가변스크류(50)의 단부를 센터브래킷(30)의 끝부분에 형성된 절곡편(35)에 설치하여 곡률가변스크류(50)가 축방향으로는 움직이지 못하고 회전만 가능하도록 설치하며, 곡률가변스크류(50)를 손으로 돌릴 수 있도록 곡률가변스크류(50)의 단부에 핸들(52)을 설치한다.The guide pins 42a and 42b inserted into the pin holes 41a and 41b may be permanently engaged by pressurizing or applying an adhesive agent or the like before insertion. In the screw hole 41t formed in the movable portion 41, The end of the curvature variable screw 50 is attached to the bent piece 35 formed at the end of the center bracket 30 so that the curvature variable screw 50 can not move in the axial direction, And a handle 52 is provided at an end of the variable-curvature screw 50 so that the curvature variable screw 50 can be turned by hand.

곡률가변스크류(50)는 회전시 축방향으로 움직이는 것을 방지하기 위해 적어도 곡률가변스크류(50)의 한쪽 단부를 절곡편(35)에 지지하며, 이를 위해 절곡편(35)에 원형구멍(35h)을 형성하고, 이 원형구멍(35h)으로 곡률가변스크류(50)의 한쪽 단부를 통과시키면서 동시에 절곡편(35) 양측면에 밀착되어 회전되는 칼라(54)와 핸들(52)을 곡률가변스크류(50)의 단부에 결합한다.The curvature variable screw 50 supports at least one end of the curvature variable screw 50 on the bending piece 35 in order to prevent the bending piece 35 from moving in the axial direction during rotation, And the collar 54 and the handle 52 which are rotated while being in contact with both sides of the bent piece 35 while passing one end of the curvature variable screw 50 through the circular hole 35h are inserted into the curved variable screw 50 ).

이때 칼라(54)와 곡률가변스크류(50)에 중심이 일치되게 각각 형성된 압입구멍(54h)(50a)에 삽입되는 고정핀(53)에 의해 칼라(54)를 곡률가변스크류(50)에 결합하며, 핸들(52)과 곡률가변스크류(50)에 중심이 일치되게 각각 형성된 압입구멍(52h)(50b)에 삽입되는 고정핀(55)에 의해 의해 핸들(52)을 곡률가변스크류(50)에 고정한다.At this time, the collar 54 is coupled to the curvature variable screw 50 by the fixing pin 53 inserted into the press-in hole 54h (50a) formed in the center of the collar 54 and the curvature variable screw 50, And the handle 52 is fixed to the curvature variable screw 50 by the fixing pin 55 inserted into the press-in holes 52h and 50b formed in the center of the handle 52 and the curvature variable screw 50, .

또, 센터브래킷(30) 위에 설치되는 슬라이드블록(40)은 도시된 예에서와 같이 3개의 슬라이드블록(40)을 간격을 이루도록 설치할 수 있으나 꼭 이러한 슬라이드블록(40)의 개수에 한정하지 않는다.The slide blocks 40 provided on the center bracket 30 may be spaced apart from each other by three slide blocks 40 as in the illustrated example. However, the number of the slide blocks 40 is not limited thereto.

상기 센터브래킷(30)은 지중전력구 곡선벽체(25)에 수직으로 평행하게 설치되어 있는 두 개의 수직앵글(20)(22)에 의해 지지되며, 이를 위해 수직앵글(20)(22)에는 열쇠구멍 모양의 걸림구멍(20a)(22a)을 상하방향으로 일정한 간격을 이루도록 형성하고, 수직앵글(20)(22)의 걸림구멍(20a)(22a)에 결합되는 버섯머리형태의 걸림핀(31a)(31b)(32a)(32b)을 센터브래킷(30)의 후방측면(31)(32)에서 동일방향을 향하도록 설치한다.The center bracket 30 is supported by two vertical angles 20 and 22 installed parallel to the underground power curved wall 25 so that the vertical angles 20 and 22 are provided with a key Shaped hooking holes 20a and 22a are formed at regular intervals in the vertical direction and hooked on hooking holes 20a and 22a of the vertical angles 20 and 22, 32b and 32b are provided so as to face in the same direction on the rear side surfaces 31 and 32 of the center bracket 30.

또, 수직앵글(20)(22)을 앵커볼트(21)(23)에 의해 지중전력구 곡선벽체(25)에 설치할 때 곡선벽체(25)에 모르타르(26)를 발라서 곡면을 평활하게 한 다음 시공하거나 수직앵글(20)(22)을 곡선벽체(25)에 설치한 다음 곡선벽체(25)와 수직앵글(20)(22)의 들뜬 부위에 무수축 모르타르 등을 주입하면 수직앵글(20)(22)을 견고하게 설치할 수 있다.When the vertical angles 20 and 22 are provided on the underground power curved wall 25 by the anchor bolts 21 and 23, the curved wall 25 is coated with the mortar 26 to smooth the curved surface Or vertical angles 20 and 22 are installed on the curved wall 25 and non-shrinking mortar or the like is injected into the excited portions of the curved wall 25 and the vertical angles 20 and 22, (22) can be firmly installed.

상기 걸림핀(31a)(31b)(32a)(32b)은 원반형의 두툼한 머리부(31c)와 잘록한 원기둥형태의 허리부(31d)로 구성되며, 걸림구멍(20a)(22a)은 서로 이어진 상부구멍(22b)과 하부장공(22c)으로 이루어지고, 상부구멍(22b)의 내경을 하부장공(22c)의 폭보다 크게 형성하며, 상부구멍(22b)의 내경을 걸림핀(31a)(31b)(32a)(32b)에 형성된 머리부(31c)의 외경을 보다 크게 형성하여 머리부(31c)가 상부구멍(22b)을 통과할 수 있도록 하고, 허리부(31d)의 외경은 하부장공(22c)의 폭보다 약간 작은 크기로 형성하여 허리부(31d)가 하부장공(22c)에 끼워지도록 한다.The latching pins 31a, 31b, 32a and 32b are composed of a disk-shaped thick head portion 31c and a constricted cylindrical waist portion 31d. The latching holes 20a and 22a are connected to each other The inner diameter of the upper hole 22b is formed to be larger than the width of the lower long hole 22c and the inner diameter of the upper hole 22b is set to be larger than the inner diameter of the fastening pins 31a and 31b, The outer diameter of the head portion 31c formed on the upper portion 32a and the outer portion 32b of the waist portion 31b is made larger so that the head portion 31c can pass through the upper hole 22b, So that the waist portion 31d is fitted in the lower elongated hole 22c.

상기 센터브래킷(30)은 거꾸로 뒤집은 "U"자 모양의 단면모양을 갖도록 강판을 이용해서 절곡한 것이며, 벌어지거나 변형을 방지하기 위해 센터브래킷(30)의 내측에 보강축(34)을 용접한다.The center bracket 30 is bent using a steel plate so as to have a "U" -shaped cross section inverted upside down. The reinforcing shaft 34 is welded to the inside of the center bracket 30 to prevent it from being opened or deformed .

측면브래킷(60)(62)과 센터브래킷(30)의 결합면에는 체결공(66)(67)과 탭구멍(36a)(36b)을 각각 형성하여 센터브래킷(30)의 양쪽 측면에 측면브래킷(60)(62)을 밀착시킨 상태에서 탭스크류(64)(65)를 체결공(66)(67)를 통해 탭구멍(36a)(36b)에 결합하여 측면브래킷(60)(62)을 고정하도록 하며, 측면브래킷(60)(62)의 보강을 위해 코너부에 예컨대 삼각형의 보강리브(60r)(62r)를 형성할 수 있다.A pair of fastening holes 66 and 67 and tapped holes 36a and 36b are formed in the mating surfaces of the side brackets 60 and 62 and the center bracket 30 to form side brackets 30 on both sides of the center bracket 30, The tab screws 64 and 65 are coupled to the tapped holes 36a and 36b through the fastening holes 66 and 67 in a state in which the side brackets 60 and 62 are in tight contact with the side brackets 60 and 62, For example, triangular reinforcing ribs 60r, 62r may be formed at corners to reinforce the side brackets 60,

또, 측면브래킷(60)(62)에는 회전블록(70)에 형성된 축삽입구멍(75)에 끼워지는 수직축(61)(63)을 설치하며, 지중케이블(27)을 지지하기 위한 고무받침(80)(85)을 슬라이드블록(40)과 회전블록(70)에 각각 설치한다.The side brackets 60 and 62 are provided with vertical shafts 61 and 63 to be fitted in the shaft insertion holes 75 formed in the rotary block 70, 80) 85 are installed in the slide block 40 and the rotary block 70, respectively.

수직축(61)(63)의 상단부에 형성된 환형의 멈춤홈(61g)(63g)에는 회전블록(70)의 이탈을 방지하기 위해 멈춤링(61s)(63s)을 설치하며, 수직축(61)(63)은 측면브래킷(60)(62)에 형성된 수직구멍(60h)(62h)에 삽입한 다음 하단부를 측면브래킷(60)(62)에 용접하여 영구적으로 결합할 수도 있다.The stop rings 61s and 63s are provided in the annular stop grooves 61g and 63g formed at the upper ends of the vertical shafts 61 and 63 to prevent the rotation block 70 from being separated from the vertical shafts 61g and 63g, 63 may be inserted into the vertical holes 60h and 62h formed in the side brackets 60 and 62 and then welded to the side brackets 60 and 62 to permanently join the lower ends thereof.

가이드핀(42a)(42b)을 가동부(41)에 형성된 핀구멍(41a)(41b)에 결합하기 위해서는 우선 가이드핀(42a)(42b)을 센터브래킷(30) 안쪽으로 집어넣어야 하는데, 마땅한 입구가 없으므로, 가이드핀(42a)(42b)을 센터브래킷(30) 안쪽으로 집어넣기 위한 관통구멍(37a)(37b)(67)을 센터브래킷(30)과 측면브래킷(60)(62)에 형성하여 조립이 가능하도록 한다.The guide pins 42a and 42b must be inserted into the center bracket 30 in order to engage the guide pins 42a and 42b with the pin holes 41a and 41b formed in the movable portion 41, The through holes 37a and 37b and 67 for inserting the guide pins 42a and 42b into the center bracket 30 are formed in the center bracket 30 and the side brackets 60 and 62 So that assembling is possible.

슬라이드블록(40)과 회전블록(70)에 각각 결합되는 고무받침(80)(85)은 탄성을 갖는 소재이며 지중케이블(27)의 곡률에 따라 탄성변형을 일으키면서 지중케이블(27)을 지지하도록 한다.The rubber mounts 80 and 85 coupled to the slide block 40 and the rotary block 70 are elastic materials and support the underground cable 27 while causing elastic deformation in accordance with the curvature of the underground cable 27. [ .

슬라이드블록(40)과 회전블록(70)에는 각각 더브테일돌기(43)(73)를 수직으로 형성하고, 고무받침(80)(85)에는 더브테일홈(81)(86)을 수직으로 형성하여 슬라이드블록(40)과 고무받침(80)의 결합시 더브테일돌기(43)와 더브테일홈(81)에 의해 결합되도록 하며, 마찬가지로 회전블록(70)과 고무받침(85)의 결합시에도 더브테일돌기(73)와 더브테일홈(86)에 의해 결합되도록 한다.The dovetail projections 43 and 73 are vertically formed on the slide block 40 and the rotary block 70 are formed vertically and the dovetail grooves 81 and 86 are formed vertically on the rubber bearings 80 and 85, The dowel tail protrusion 43 and the dovetail groove 81 are engaged with each other when the slide block 40 and the rubber bearing 80 are engaged and also when the rotary block 70 and the rubber bearing 85 are engaged And the dovetail projection 73 and the dovetail groove 86. [

이와 같은 고무받침(80)(85)은 "L"형의 단면모양을 갖으며, 지중케이블(27)과 접촉되는 부분에 4분할원 모양의 케이블지지면(80a)(85a)을 형성하고, 특히 슬라이드블록(40)에 결합되는 고무받침(80)과 회전블록(70)에 결합되는 고무받침(85)은 지중케이블(27)을 기준으로 서로 대칭을 이루도록 설치한다.The rubber supports 80 and 85 have an L-shaped cross-section and are formed with four split cable support surfaces 80a and 85a at portions contacting the underground cable 27, The rubber bearing 80 coupled to the slide block 40 and the rubber bearing 85 coupled to the rotating block 70 are symmetrically arranged with respect to the underground cable 27.

고무받침(80)(85)의 더브테일홈(81)(86) 중앙에 수직홈(80g)(85g)을 형성하여 고무받침(80)(85)이 지중케이블(27)에 의해 곡선으로 변형될 때 수직홈(80g)(85g)에 의해 형성된 공간부에 의해 탄성변형이 원활하게 되도록 한다.The vertical grooves 80g and 85g are formed in the centers of the dovetail grooves 81 and 86 of the rubber mounts 80 and 85 so that the rubber mounts 80 and 85 are deformed into a curved line by the underground cable 27 The elastic deformation is smoothly performed by the space formed by the vertical grooves 80g and 85g.

이하 본 발명에 따른 작용을 첨부된 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, the operation according to the present invention will be described in detail with reference to the accompanying drawings.

첨부도면 도 3내지 도 14 도시된 바와 같이 곡선벽체(25)에 설치된 수직앵글(20)(22)에 센터브래킷(30)을 조립하는 과정은 센터브래킷(30)에 설치된 걸림핀(31a)(31b)(32a)(32b)의 머리부(31c)가 수직앵글(20)(22)에 형성된 걸림구멍(20a)(22a)의 상부구멍(22b)으로 통과되도록 삽입한 다음 센터브래킷(30)을 밑으로 하강시키게 되면, 걸림핀(31a)(31b)(32a)(32b)의 허리부(31d)가 걸림구멍(20a)(22a)의 하부장공(22c)에 걸리면서 센터브래킷(30)이 수평을 유지하게 된다.3 to 14, the process of assembling the center bracket 30 to the vertical angles 20 and 22 provided on the curved wall 25 is the same as the process of assembling the center bracket 30 with the engagement pin 31a The head 31c of the center bracket 30 is inserted into the upper hole 22b of the engaging hole 20a 22a formed in the vertical angle 20 and 22, The waist portion 31d of the engaging pins 31a, 31b, 32a and 32b is caught by the lower elongated hole 22c of the engaging holes 20a and 22a so that the center bracket 30 And maintains the horizontal level.

이때 수직앵글(20)(22)에 형성되어 있는 여러 개의 걸림구멍(20a)(22a) 중 필요로 하는 높이에 형성된 걸림구멍(20a)(22a)에 걸림핀(31a)(31b)(32a)(32b)을 결합하게 되면, 센터브래킷(30)의 높이를 임의로 변경할 수 있게 된다.At this time, the engaging holes 20a and 22a formed in the vertical angles 20 and 22 are formed with the engaging pins 31a, 31b and 32a, The height of the center bracket 30 can be arbitrarily changed.

한편, 슬라이드블록(40)을 센터브래킷(30)에 조립하고, 곡률가변스크류(50)와 결합하는 과정은 슬라이드블록(40)의 하부에 형성된 가동부(41)를 센터브래킷(30)에 형성된 가이드장공(33g)에 삽입하게 되면, 슬라이드블록(40)이 센터브래킷(30)의 상판(33)에 지지된 상태로 결합된다.The process of assembling the slide block 40 to the center bracket 30 and combining the slide block 40 with the curvature variable screw 50 is performed by inserting the movable portion 41 formed at the lower portion of the slide block 40 into the guide formed in the center bracket 30 The slide block 40 is coupled to the upper plate 33 of the center bracket 30 while being supported by the upper plate 33g.

이후 슬라이드블록(40)의 가동부(41)에 형성된 핀구멍(41a)(41b)에 가이드핀(42a)(42b)을 결합하기 위해 우선 슬라이드블록(40)을 이동시켜서 센터브래킷(30)의 측면에 형성된 관통구멍(37a)(37b)과 핀구멍(41a)(41b)의 중심을 서로 일치시킨 다음 가이드핀(42a)(42b)을 관통구멍(37a)(37b)을 통해 핀구멍(41a)(41b)으로 삽입하게 되면, 가이드핀(42a)(42b)이 센터브래킷(30)의 상판(33) 저면에 접촉되면서 슬라이드블록(40)의 이탈을 방지하는 작용을 하게 된다.The slide block 40 is first moved to engage the guide pins 42a and 42b in the pin holes 41a and 41b formed in the movable portion 41 of the slide block 40 so that the side surfaces of the center bracket 30 And the guide pins 42a and 42b are inserted into the pin holes 41a through the through holes 37a and 37b after the centers of the through holes 37a and 37b and the pin holes 41a and 41b formed in the pin holes 41a and 41b are aligned with each other. The guide pins 42a and 42b are brought into contact with the bottom surface of the upper plate 33 of the center bracket 30 to prevent the slide block 40 from coming off.

이때 가이드핀(42a)(42b)의 양단을 가동부(41) 양측으로 균일한 길이로 돌출되도록 한 다음 다른 슬라이드블록(40)을 설치하기 위해 가이드핀(42a)(42b)이 결합된 슬라이드블록(40)은 가이드장공(33g)을 따라 이동시킨 후 다른 슬라이드블록(40)의 가동부(41)를 가이드장공(33g)에 삽입하고 가이드핀(42a)(42b)을 결합하는 과정을 반복하면 복수의 슬라이드블록(40)을 가이드핀(42a)(42b)에 의해 센터브래킷(30)에 설치할 수 있게 된다.At this time, both ends of the guide pins 42a and 42b are protruded to both sides of the movable part 41 with a uniform length, and then the slide blocks 40a and 42b, to which the guide pins 42a and 42b are coupled, 40 are moved along the guide slot 33g and then the moving part 41 of the other slide block 40 is inserted into the guide slot 33g and the guide pins 42a and 42b are repeated, The slide block 40 can be installed on the center bracket 30 by the guide pins 42a and 42b.

이후 곡률가변스크류(50)를 절곡편(35)에 형성된 원형구멍(35h)을 통해 센터브래킷(30)의 안쪽으로 삽입한 후 회전시키면, 곡률가변스크류(50)가 슬라이드블록(40)의 가동부(41)에 형성된 나사구멍(41t)에 순차적으로 결합된다.Thereafter, when the curvature variable screw 50 is inserted into the center bracket 30 through the circular hole 35h formed in the bending piece 35 and then rotated, the curvature variable screw 50 is inserted into the movable part 35 of the slide block 40, (41t) formed on the base plate (41).

이때 곡률가변스크류(50)를 나사구멍(41t)에 결합하기 전 복수로 이루어진 슬라이드블록(40)의 간격을 미리 정해 움직이지 못하도록 잡고 있는 상태에서 곡률가변스크류(50)를 결합하게 되면, 슬라이드블록(40) 간의 간격을 임의로 설정할 수 있게 된다.When the curvature variable screw 50 is engaged in a state in which the interval of the plurality of slide blocks 40 is not predetermined and can not be moved before the curvature variable screw 50 is coupled to the screw hole 41t, It is possible to arbitrarily set the interval between the first and second electrodes 40a and 40b.

그 다음 절곡편(35)을 사이에 두고 칼라(54)와 핸들(52)을 곡률가변스크류(50)의 단부에 결합한 후 고정핀(53)(55)을 압입구멍(50a)(50b)(52h)(54h)에 삽입하게 되면, 곡률가변스크류(50)가 회전만 가능하고 축방향으로는 움직일 수 없게 된다.The collar 54 and the handle 52 are engaged with the ends of the curvature adjustable screw 50 with the bending piece 35 therebetween and then the fixing pins 53 and 55 are inserted into the press fitting holes 50a and 50b 52h) 54h, the curvature variable screw 50 can rotate only and can not move in the axial direction.

이후 탭스크류(64)(65)에 의해 센터브래킷(30)의 측면에 측면브래킷(60)(62)을 설치한 다음 측면브래킷(60)(62)에 설치된 수직축(61)(63)을 회전블록(70)의 축삽입구멍(75)에 끼우고, 수직축(61)(63)의 상단에 형성된 멈춤홈(61g)(63g)에 멈춤링(61s)(63s)을 결합하게 되면, 회전블록(70)이 수직축(61)(63)으로부터 이탈되는 것이 방지되고, 동시에 회전블록(70)이 측면브래킷(60)(62)에 지지된 상태에서 수직축(61)(63)을 중심으로 수평방향으로 회전되는 것이 가능하게 된다. The side brackets 60 and 62 are provided on the side of the center bracket 30 by the tap screws 64 and 65 and then the vertical shafts 61 and 63 provided on the side brackets 60 and 62 are rotated When the stop rings 61s and 63s are engaged with the stop grooves 61g and 63g formed at the upper ends of the vertical shafts 61 and 63 by inserting into the shaft insertion hole 75 of the block 70, The vertical blocks 61 and 63 are prevented from being separated from the vertical shafts 61 and 63 while the rotary block 70 is supported by the side brackets 60 and 62, As shown in Fig.

한편, 지중전력구 곡선벽체(25)의 곡률에 맞추어 지중케이블(27)을 곡선형태로 지지해야 하는 경우 곡률가변스크류(50)의 단부에 설치되어 있는 핸들(52)을 시계방향 또는 반시계방향으로 회전시키게 되면, 곡률가변스크류(50)와 나사결합 되어 있는 가동부(41)가 가이드장공(33g)을 따라 전후방향으로 직선운동된다.On the other hand, when the underground cable 27 is to be supported in a curved shape in accordance with the curvature of the underground power curved wall 25, the handle 52 provided at the end of the curvature variable screw 50 is rotated clockwise or counterclockwise The movable portion 41 threadedly engaged with the curvature variable screw 50 is linearly moved along the guide slot 33g in the forward and backward directions.

이때 가동부(41)와 일체로 되어 있는 슬라이드블록(40)이 고무받침(80)에 지지된 지중케이블(27)을 전후방향으로 밀거나 이완시키면서 지중케이블(27)의 곡률이 변경되며, 동시에 측면브래킷(60)(62)의 수직축(61)(63)에 설치되어 있는 회전블록(70)이 지중케이블(27)의 곡률에 따라 그 자리에서 회전되면서 지중케이블(27)을 지지하는 역할을 하게 된다.At this time, the curvature of the underground cable 27 is changed while pushing or loosening the underground cable 27 supported by the rubber support 80 in the forward and backward directions, and the slide block 40 integrated with the movable portion 41 changes the curvature of the underground cable 27, The rotary block 70 provided on the vertical shafts 61 and 63 of the brackets 60 and 62 rotates in accordance with the curvature of the underground cable 27 to support the underground cable 27 do.

더욱이 고무받침(80)(85)은 탄성을 갖는 소재로 만들어져 있기 때문에 지중케이블(27)의 곡률에 따라 탄성변형되면서 지중케이블(27)의 하부를 지지하게 되며, 특히 고무받침(80)(85)에 형성된 수직홈(80g)(85g)은 빈공간을 제공하여 변형이 보다 쉽게 일어나도록 하는 작용을 하게 된다.Further, since the rubber mounts 80 and 85 are made of a material having elasticity, they are elastically deformed according to the curvature of the underground cable 27 to support the lower portion of the underground cable 27. In particular, the rubber mounts 80 and 85 The vertical grooves 80g and 85g formed on the upper and lower surfaces of the upper and lower plates 80 and 80 provide an empty space to facilitate deformation.

또, 곡률조정작업을 마친 지중케이블(27)을 결속밴드나 로프 등으로 센터브래킷(30) 또는 측면브래킷(60)(62)에 결속해두면 이탈을 방지할 수 있다.If the ground cable 27 after the curvature adjustment operation is bound to the center bracket 30 or the side brackets 60, 62 with a binding band, a rope, or the like, it is possible to prevent the cable from escaping.

20,22 : 수직앵글 20a,22a : 걸림구멍
22b : 상부구멍 22c : 하부장공
21,23 : 앵커볼트 25 : 곡선벽체
26 : 모르타르 27 : 지중케이블
30 : 센터브래킷 31,32 : 후방측면
31a,31b,32a,32b : 걸림핀 31c : 머리부
31d : 허리부 33 : 상판
33g : 가이드장공 34 : 보강축
35 : 절곡편 35h : 원형구멍
37a,37b,67 : 관통구멍 36a,36b : 탭구멍
40 : 슬라이드블록 41 : 가동부
41a,41b : 핀구멍 41t : 나사구멍
42a,42b : 가이드핀 43,73 : 더브테일돌기
50 : 곡률가변스크류 50a,50b,52h,54h : 압입구멍
52 : 핸들 54 : 칼라
53,55 : 고정핀 60,62 : 측면브래킷
60h,62h : 수직구멍 60r,62r : 보강리브
61,63 : 수직축 61s,63s : 멈춤링
61g,63g : 멈춤홈 64,65 : 탭스크류
66,67 : 체결공 70 : 회전블록
75 : 축삽입구멍 80,85 : 고무받침
80a,85a : 케이블지지면 80g,85g : 수직홈
81,86 : 더브테일홈20, 22: vertical angle 20a, 22a:
22b: upper hole 22c: lower slot
21,23: Anchor bolt 25: Curved wall
26: Mortar 27: Underground cable
30: center bracket 31, 32: rear side
31a, 31b, 32a, 32b: engaging pin 31c:
31d: waist portion 33: top plate
33g: Guide hole 34: Reinforcing shaft
35: bending piece 35h: circular hole
37a, 37b, 67: through holes 36a, 36b:
40: Slide block 41:
41a, 41b: pin hole 41t: screw hole
42a, 42b: guide pin 43, 73: dovetail projection
50: Curvature variable screw 50a, 50b, 52h, 54h:
52: handle 54: collar
53,55: fixing pin 60,62: side bracket
60h, 62h: vertical holes 60r, 62r: reinforcing ribs
61, 63: vertical axis 61s, 63s: stop ring
61g, 63g: stop groove 64, 65: tab screw
66, 67: fastener 70: rotating block
75: Shaft insertion hole 80, 85: Rubber bearing
80a, 85a: Cable supporting surface 80g, 85g: Vertical groove
81,86: dovetail home

Claims (1)

센터브래킷(30)의 상판(33) 중앙에 가이드장공(33g)을 형성하고, 가이드장공(33g)에 삽입되는 가동부(41)를 슬라이드블록(40)에 형성하며, 센터브래킷(30)의 상판(33) 저면에 접촉되는 가이드핀(42a)(42b)을 가동부(41)에 형성된 핀구멍(41a)(41b)에 삽입하여 양단을 돌출되게 설치하고, 가동부(41)에 형성된 나사구멍(41t)에 결합되는 곡률가변스크류(50)의 단부를 센터브래킷(30)의 끝부분에 형성된 절곡편(35)에 설치하며, 곡률가변스크류(50)의 단부에 핸들(52)을 설치하고, 센터브래킷(30)의 양쪽 측면에 설치된 측면브래킷(60)(62)에 회전블록(70)을 지지하기 위한 수직축(61)(63)을 설치하며, 지중케이블(27)을 지지하기 위한 고무받침(80)(85)을 슬라이드블록(40)과 회전블록(70)에 각각 결합하고, 가이드핀(42a)(42b)을 센터브 래킷(30) 안쪽으로 집어넣기 위한 관통구멍(37a)(37b)(67)을 센터브래킷(30)과 측면브래킷(60)(62)에 형성하여 구성한 것을 특징으로 하는 공동주택용 지중선로 케이블 지지장치.A guide slot 33g is formed at the center of the upper plate 33 of the center bracket 30 and the movable block 41 inserted into the guide slot 33g is formed in the slide block 40, The guide pins 42a and 42b which are in contact with the bottom surface of the movable member 41 are inserted into the pin holes 41a and 41b formed in the movable member 41 so as to protrude at both ends thereof, The end portion of the curvature variable screw 50 coupled to the center bracket 30 is provided at the bending piece 35 formed at the end of the center bracket 30 and the handle 52 is provided at the end of the curvature variable screw 50, Vertical shafts 61 and 63 for supporting the rotating block 70 are installed on the side brackets 60 and 62 provided on both sides of the bracket 30 and a rubber bearing 80) 85 are coupled to the slide block 40 and the rotation block 70 and the through holes 37a and 37b for inserting the guide pins 42a and 42b into the center bracket 30, (67) Emitter bracket 30 and the side brackets (60) co-premises cable support device in underground cable, characterized in that is configured to form (62).
KR1020140067558A 2014-06-03 2014-06-03 Underground cable support apparatus for apartment house KR101416598B1 (en)

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KR101455679B1 (en) 2014-09-18 2014-10-30 (주)진전기엔지니어링 Underground power lines support apparatus for apartment house
KR101571455B1 (en) * 2015-04-15 2015-11-24 (주)성화기술단 Mechanism for power transmission and distribution cable arrangement with the position variable and elasticity
KR101631156B1 (en) * 2016-04-04 2016-06-20 한인택 Underground Power Cable Support Device
CN107425500A (en) * 2016-12-30 2017-12-01 广州市科卡通信科技有限公司 A kind of cable duct cable bradyseism erecting structure
CN107437784A (en) * 2016-12-30 2017-12-05 广州市科卡通信科技有限公司 A kind of safe cable duct cable erecting structure
CN107437786A (en) * 2016-12-30 2017-12-05 广州市科卡通信科技有限公司 A kind of cable duct cable erecting structure for facilitating night work
CN107437785A (en) * 2016-12-30 2017-12-05 广州市科卡通信科技有限公司 A kind of novel cable ditch cable erecting structure
KR101866260B1 (en) * 2018-03-30 2018-06-11 (주)건일엠이씨 Underground Cable Support Device
CN111585222A (en) * 2019-02-18 2020-08-25 伊顿智能动力有限公司 Electrical enclosure cable management and support rack assembly, system and method
CN112467658A (en) * 2020-11-26 2021-03-09 国网山东省电力公司曹县供电公司 Cable fixing support for cable trench
CN116845802A (en) * 2023-09-01 2023-10-03 国网山东省电力公司五莲县供电公司 Supporting structure for power supply line installation

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101455679B1 (en) 2014-09-18 2014-10-30 (주)진전기엔지니어링 Underground power lines support apparatus for apartment house
KR101571455B1 (en) * 2015-04-15 2015-11-24 (주)성화기술단 Mechanism for power transmission and distribution cable arrangement with the position variable and elasticity
KR101631156B1 (en) * 2016-04-04 2016-06-20 한인택 Underground Power Cable Support Device
CN107425500A (en) * 2016-12-30 2017-12-01 广州市科卡通信科技有限公司 A kind of cable duct cable bradyseism erecting structure
CN107437784A (en) * 2016-12-30 2017-12-05 广州市科卡通信科技有限公司 A kind of safe cable duct cable erecting structure
CN107437786A (en) * 2016-12-30 2017-12-05 广州市科卡通信科技有限公司 A kind of cable duct cable erecting structure for facilitating night work
CN107437785A (en) * 2016-12-30 2017-12-05 广州市科卡通信科技有限公司 A kind of novel cable ditch cable erecting structure
KR101866260B1 (en) * 2018-03-30 2018-06-11 (주)건일엠이씨 Underground Cable Support Device
CN111585222A (en) * 2019-02-18 2020-08-25 伊顿智能动力有限公司 Electrical enclosure cable management and support rack assembly, system and method
CN112467658A (en) * 2020-11-26 2021-03-09 国网山东省电力公司曹县供电公司 Cable fixing support for cable trench
CN116845802A (en) * 2023-09-01 2023-10-03 国网山东省电力公司五莲县供电公司 Supporting structure for power supply line installation
CN116845802B (en) * 2023-09-01 2024-02-02 国网山东省电力公司五莲县供电公司 Supporting structure for power supply line installation

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