KR20050039814A - Opening and closing device for manhole cover - Google Patents

Opening and closing device for manhole cover Download PDF

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Publication number
KR20050039814A
KR20050039814A KR1020050028915A KR20050028915A KR20050039814A KR 20050039814 A KR20050039814 A KR 20050039814A KR 1020050028915 A KR1020050028915 A KR 1020050028915A KR 20050028915 A KR20050028915 A KR 20050028915A KR 20050039814 A KR20050039814 A KR 20050039814A
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manhole cover
rope
holes
opening
shaped
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KR1020050028915A
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Korean (ko)
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김규섭
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김규섭
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Publication of KR20050039814A publication Critical patent/KR20050039814A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0305—Constructional arrangements
    • G02F1/0311—Structural association of optical elements, e.g. lenses, polarizers, phase plates, with the crystal

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

맨홀 직경보다 훨씬 긴 가로방향 장방형 기대(1)상의 중앙에 통상의 유압잭(2)이 직립 설치되고, 상기 유압잭의 상단에는 V자형 로프홈(3)이 파인 반달형 로프지지구(4)가 장착되며, 상기 장방형 기대(1)양단에는 사다리꼴 지지판(5)(5')이 세로방향으로 직립용접되고, 상기 지지판(5)(5')의 전후 하단에는 이동용 롤러(6)(6')(6a)(6a')가 장착되며, 맨홀뚜껑의 직경방향으로 양쪽에 형성된 뚜껑 개폐용 반원형 개폐홈(7)(7')과 수직으로 일치되는 상기 장방형 기대(1) 양쪽에는 와이어로프(8) 관통공(9)(9')이 천설되고, 그 관통공(9)(9')들의 상기 유압잭(2)쪽으로는 둘레에 V자형 로프홈(10)(10')이 형성된 활차(滑車)(11)(11')가 회전되게 장착된 축(12)(12')이 세로방향으로 용접고정되며, 상기 와이어로프(8)는 그 중앙이 상기 반달형 로프지지구(4)의 V자형 로프홈(3)에 걸치면서 그 양단(23)(23')은 상기 와이어로프 관통공(9)(9')으로 관통되어 금속재질의 수직형 맨홀뚜껑 파지구(13)(13')의 중공부(24)(24')에 삽입되어 압착고정되고, 상기 수직형 맨홀뚜껑 파지구(13)(13')의 중간부위는 그 외주면에 너트(14)(14')가 승강되게 나사산(15)(15')이 형성되며, 그 하부에는 그 파지구 하단에 용접되어 내측이 길게 연장된 받침판(18)(18')에 의해 맨홀뚜껑 두께보다 약간 넓은 뚜껑 파지용의 ㄷ자형 요홈(17)(17')이 형성되고 상기 장방형 기대(1) 중앙에 설치된 잭(2) 바닥의 전후측면에는 볼트머리 반대편에만 너트 고정용 나사가 있는 관통볼트(20)(20')에 의해 ＼＿형 회전 지지봉(19)(19')의 상단이 상기 볼트를 중심으로 회전되게 장착되고 상기 사다리꼴 양쪽 지지판(5)(5') 하단 전후에는 전체 개폐장치 견인용 고리(21)(21') 삽탈용 구멍(22)(22')(22a)(22a')이 각각 천설된 것으로 구성된다.A normal hydraulic jack (2) is installed upright in the center on the horizontal rectangular base (1), which is much longer than the manhole diameter, and a half moon rope support (4) with a V-shaped rope groove (3) is mounted on the upper end of the hydraulic jack. Trapezoidal support plates 5, 5 'are erected in the longitudinal direction at both ends of the rectangular base 1, and moving rollers 6, 6', 6a are disposed at the front and bottom of the support plates 5, 5 '. (6a ') is mounted, the wire rope (8) through holes on both sides of the rectangular base (1) vertically coincident with the semicircular opening and closing grooves (7) (7') for opening and closing the lid formed on both sides in the radial direction of the manhole cover. (9) (9 ') and a pulley (11) formed with V-shaped rope grooves (10, 10') around the hydraulic jack (2) of the through holes (9) and (9 '). The shaft 12, 12 'on which the 11 ' is rotated is welded and fixed in the longitudinal direction, and the wire rope 8 has a V-shaped rope groove 3 of the half-moon rope support 4 at the center thereof. Over) Both ends 23 and 23 'penetrate through the wire rope through-holes 9 and 9' so that the hollow portions 24 and 24 'of the metal vertical manhole cover gripping holes 13 and 13'. It is inserted into the crimp and fixed, and the middle portion of the vertical manhole cover gripping openings 13 and 13 'is formed with threads 15 and 15' such that nuts 14 and 14 'are lifted on the outer circumferential surface thereof. In the lower part, a c-shaped groove (17) (17 ') for holding a lid slightly wider than the thickness of the manhole cover is formed by a support plate (18) (18') which is welded to the lower end of the holding hole and the inner side thereof is elongated. On the front and back sides of the bottom of the jack (2) installed in the center of the rectangular base (1), the 회전 -shaped rotary support rods (19) and (19 ') are provided by through bolts (20, 20') with nuts for fixing nuts only on opposite sides of the bolt head. The upper end of the bolt is mounted so as to rotate about the bolt, and the trapezoidal both support plates 5, 5 'before and after the lower end of the entire opening / closing traction hook 21, 21' for inserting and removing holes 22, 22 '( 22a) (22a ') It consists in the cheonseol.

Description

맨홀뚜껑 개폐용 장치{Opening and closing device for manhole cover}Opening and closing device for manhole cover

본 발명은 맨홀뚜껑의 개폐장치에 관한 것으로서, 특히 맨홀뚜껑의 직경방향의 양쪽에 형성된 뚜껑 개폐용 홈에 개폐장치의 뚜껑 파지구를 삽입하여 유압잭에 의해 뚜껑을 개방 또는 폐쇄할 수 있는 맨홀뚜껑 개폐장치에 관한 것이다.The present invention relates to an opening and closing device of the manhole cover, in particular the opening and closing of the manhole cover that can be opened or closed by the hydraulic jack by inserting the lid gripping opening of the opening and closing device in the opening and closing the lid formed on both sides of the manhole cover in the radial direction Relates to a device.

현재까지는 한전이나, 통신공사, 상수도업체, 가스공사등의 맨홀을 취급하는 기관이나 업체에서는 육중한 맨홀의 뚜껑을 열때 일일이 맨홀뚜껑의 직경방향의 양쪽에 반달형으로 파인 홈을 통하여 지렛대의 끝을 억지 삽입하여 들어 올린 다음 사람의 손이나 기타 기구를 이용하여 뚜껑을 밖으로 밀쳐내어 열게되고, 반대로 뚜껑을 닫을때에도 지렛대나 기타의 도구를 이용하거나 사람의 힘으로 뚜껑을 닫게되므로, 뚜껑을 열고 닫을 때 상당한 힘이 필요함은 물론이고 지렛대나 도구를 사용하거나 인위적으로 뚜껑을 이동중에는 상당한 위험부담도 갖게되며 따라서 잘못하면 실수로 사고의 위험마저도 있게 된다.Until now, organizations and companies dealing with manholes such as KEPCO, telecommunications, water supply companies, and gas corporations have forced the ends of levers through half-grooves on both sides in the radial direction of the manhole cover when opening the heavy manhole cover. The lid is pushed out and then pushed out using a human hand or other device to open the lid. On the contrary, when the lid is closed, the lid is closed by lever or other tool or by human force. In addition to the need for force, there are significant risks of using levers, tools, or artificially moving the lid, and if you do it wrong, there is a risk of accidental accident.

그러나 그와같은 힘들고 위험한 문제가 있음을 알면서도 그 맨홀뚜껑을 안전하게 개폐할 수 있는 장치는 현재까지 개발된 바가 없었다.However, knowing that such a difficult and dangerous problem, a device that can safely open and close the manhole cover has not been developed until now.

본 발명은 상기한 바와같은 맨홀뚜껑의 개폐에 따른 위험과 어려움을 해소하여 직접 인체를 접촉하지 않고도 맨홀뚜껑 개폐용 장치의 파지구를 맨홀뚜껑에 장착하여 유압잭(Jack)으로 맨홀뚜껑 개폐용 장치를 승강시키면서 맨홀뚜껑을 개폐시킬 수 있는 맨홀뚜껑 개폐용 장치를 제공코저하는 것으로서 이를 첨부된 도면을 참조하면서 상세히 설명하면 다음과 같다.The present invention is to solve the risk and difficulty of opening and closing the manhole cover as described above to install the gripping port of the manhole cover opening and closing device to the manhole cover without directly contacting the human body to the manhole cover opening and closing device with a hydraulic jack (Jack) While providing a manhole cover opening and closing device that can open and close the manhole cover while lifting, as described in detail with reference to the accompanying drawings as follows.

맨홀 직경보다 훨씬 긴 가로방향 장방형 기대(1)상의 중앙에 통상의 유압잭(2)이 직립 설치되고, 상기 유압잭의 상단에는 V자형 로프홈(3)이 파인 반달형 로프지지구(4)가 장착되며, 상기 장방형 기대(1)양단에는 사다리꼴 지지판(5)(5')이 세로방향으로 직립용접되고, 상기 지지판(5)(5')의 전후 하단에는 이동용 롤러(6)(6')(6a)(6a')가 장착되며, 맨홀뚜껑의 직경방향으로 양쪽에 형성된 뚜껑 개폐용 반원형 개폐홈(7)(7')과 수직으로 일치되는 상기 장방형 기대(1) 양쪽에는 와이어로프(8) 관통공(9)(9')이 천설되고, 그 관통공(9)(9')들의 상기 유압잭(2)쪽으로는 둘레에 V자형 로프홈(10)(10')이 형성된 활차(滑車)(11)(11')가 회전되게 장착된 축(12)(12')이 세로방향으로 용접고정되며, 상기 와이어로프(8)는 그 중앙이 상기 반달형 로프지지구(4)의 V자형 로프홈(3)에 걸치면서 그 양단(23)(23')은 상기 와이어로프 관통공(9)(9')으로 관통되어 금속재질의 수직형 맨홀뚜껑 파지구(13)(13')의 중공부(24)(24')에 삽입되어 압착고정되고, 상기 수직형 맨홀뚜껑 파지구(13)(13')의 중간부위는 그 외주면에 너트(14)(14')가 승강되게 나사산(15)(15')이 형성되며, 그 하부에는 그 파지구 하단에 용접되어 내측이 길게 연장된 받침판(18)(18')에 의해 뚜껑을 파지할 수 있도록 맨홀뚜껑 두께보다 약간 넓은 ㄷ자형 요홈(17)(17')이 형성되고 상기 장방형 기대(1) 중앙에 설치된 잭(2) 바닥의 정면에는 볼트머리 반대편에만 너트고정용 나사산이 형성된 관통볼트(20)(20')에 의해 ＼＿형 회전 지지봉(19)(19')의 상단이 상기 볼트를 중심으로 회전되게 장착되고 상기 사다리꼴 양쪽 지지판(5)(5') 하단 전후에는 전체 개폐장치 견인용 고리(21)(21') 삽탈용 구멍(22)(22')(22a)(22a')이 각각 천설된 것으로 구성된다.A normal hydraulic jack (2) is installed upright in the center on the horizontal rectangular base (1), which is much longer than the manhole diameter, and a half moon rope support (4) with a V-shaped rope groove (3) is mounted on the upper end of the hydraulic jack. Trapezoidal support plates 5, 5 'are erected in the longitudinal direction at both ends of the rectangular base 1, and moving rollers 6, 6', 6a are disposed at the front and bottom of the support plates 5, 5 '. (6a ') is mounted, the wire rope (8) through holes on both sides of the rectangular base (1) vertically coincident with the semicircular opening and closing grooves (7) (7') for opening and closing the lid formed on both sides in the radial direction of the manhole cover. (9) (9 ') and a pulley (11) formed with V-shaped rope grooves (10, 10') around the hydraulic jack (2) of the through holes (9) and (9 '). The shaft 12, 12 'on which the 11 ' is rotated is welded and fixed in the longitudinal direction, and the wire rope 8 has a V-shaped rope groove 3 of the half-moon rope support 4 at the center thereof. Over) Both ends 23 and 23 'penetrate through the wire rope through-holes 9 and 9' so that the hollow portions 24 and 24 'of the metal vertical manhole cover gripping holes 13 and 13'. It is inserted into the crimp and fixed, and the middle portion of the vertical manhole cover gripping openings 13 and 13 'is formed with threads 15 and 15' such that nuts 14 and 14 'are lifted on the outer circumferential surface thereof. In the lower part, a c-shaped groove (17) (17 ') which is slightly wider than the thickness of the manhole cover is formed so that the lid can be gripped by the supporting plate (18) (18') which is welded to the lower end of the gripper and the inner side extends long. In the front of the bottom of the jack (2) installed in the center of the rectangular base (1), the pin-shaped rotary support rods 19, 19 ' ) Is mounted so as to rotate about the bolt and the front and rear of the trapezoidal both support plates 5, 5 ', and the opening and closing device for the entire opening and closing device 21, 21' insertion hole 22, 22 '. (22a) (2 2a ') consisted of snowfall each.

미설명부호 25는 유압잭 손잡이이다.Reference numeral 25 is a hydraulic jack handle.

상기와 같이 구성되는 본 발명 맨홀뚜껑 개폐용 장치로 맨홀뚜껑 개방시에는 개폐용 장치의 장방형 기대(1)가 맨홀뚜껑(16)의 직경방향으로 양쪽에 형성된 반달형 개폐홈(7)(7') 위에 위치하도록 기대(1)양단의 지지판(5)(5')을 놓고 유압잭(4)의 V자형 로프홈(3)에 중앙이 걸려 있는 와이어로프(8)의 양단(23)(23')을 중공부(24)(24')내에서 압착고정하고 있는 수직형 맨홀뚜껑 파지구(13)(13')의 하부에 형성된 ㄷ자형 홈(17)(17')을 맨홀뚜껑(16)의 직경방향의 양쪽에 형성된 반달형 개폐홈(7)(7')에 삽입하여 상기 ㄷ자형 홈(17)(17')속으로 맨홀뚜껑(16)이 삽입되게하면 ㄷ자형 홈(17)(17')과 함께 상기 뚜껑 파지구(13)(13')하단에 용접고정된 받침판(18)(18')에의해 맨홀뚜껑(16)의 바닥이 확실하게 잡히게 되고, 이때 뚜껑 파지구(13)(13')의 나사부(15)(15')둘레에 장착된 너트(14)(14')를 아래로 조여 뚜껑(16)에 밀착되게 고정한 다음, 기대(1) 중앙에 직립 설치된 유압잭(2)바닥의 전후측면에서 관통볼트(20)(20')를 중심으로 좌우로 회전되도록 장착된 장치 전후의 회전 지지봉(19)(19')를 회전시켜 맨홀뚜껑(16)에 닿을 수 있도록 한 다음 유압잭(2)을 잭 손잡이(25)로 잣아올리게되면 유압잭(2)의 상단에 장착된 로프지지구(4)에 걸려있는 와이어로프(8)가 기대(1) 양쪽 와이어로프 관통공(9)(9')들의 유압잭(2)쪽에 고정된 축(12)(12')상에서 회전되는 활차(11)(11')를 타고 상승되게되고 그 와이어로프(8)의 상승에 따라 그 와이어로프 양단(23)(23')에 고정되어 맨홀뚜껑(16)을 잡고 있는 수직형 뚜껑파지구(13)(13')가 맨홀뚜껑을 잡아당기면서 긴장되게되며, 이때 유압잭(2)을 계속 상승시켜 와이어로프(8)를 계속 들어올리게되면 활차(11)(11')를 타고 와이어로프(8)가 부드럽게 계속하여 상승되면서 그 상승력에 의해 맨홀뚜껑(16)은 자연스럽게 상승되게되고, 이때 상기 회전지지봉(19)(19')은 기대(1)와 맨홀뚜껑(16)을 받치고 있어서 맨홀뚜껑이 요동되지 않고 긴장되어 있으며, 이와같이 맨홀뚜껑(16)이 상승된 상태에서 기대(1) 양측의 지지판(5)(5')하단에 천설된 견인용 고리(21)(21') 삽탈용 구멍(22)(22a)에 견인용 고리(21)(21')를 걸고 그 고리에 연결된 로프(미도시)를 잡아 당기게되면, 개폐장치 전체가 자연스럽게 이동하게되어 맨홀뚜껑이 이동되어 맨홀을 개방할 수 있게되고, 그 맨홀뚜껑(16)을 닫고져할 때는 상기와는 역동작으로 견인용 고리(21)(21')를 지지판(5)(5') 하단의 반대편(후방) 견인용 고리 삽탈용 구멍(22')(22a')에 걸어서 로프를 잡아당기게 되면 장치가 반대편으로 이동되어 맨홀위에 오게되고 맨홀과 일치되었을때 유압잭(2)을 하강시키게되면 느슨해진 와이어로프(8)의 양단에 고정되어 맨홀뚜껑(16)을 잡고있던 수직형 뚜껑파지구(13)(13')가 하강되면서 뚜껑(16)이 닫히게되고 이때 뚜껑(16)을 잡고있던 전후 회전 지지봉(19)(19')을 회전시켜 뚜껑에서 벗어나게한 다음, 너트(14)(14')를 풀어서 뚜껑으로부터 파지구(13)(13')를 분리시키게되면 뚜껑(16)의 닫힘이 완료되면서 개폐장치가 완전 분리되게되어 작업이 완료되게 된다.When the manhole cover is opened with the present invention manhole cover opening and closing device configured as described above, the rectangular base 1 of the opening and closing device is formed on both sides in the radial direction of the manhole cover 16 (7, 7 '). Place the supporting plates 5 and 5 'on both ends of the base 1 so that they are positioned above, and both ends 23 and 23' of the wire rope 8 centered on the V-shaped rope groove 3 of the hydraulic jack 4. The grooves (17) and (17 ') formed in the lower portion of the vertical manhole cover gripping holes (13) and (13'), which are pressed and fixed in the hollow portions (24) and (24 ') of the manhole cover (16). When the manhole cover 16 is inserted into the c-shaped grooves 17 and 17 'by inserting it into the half-moon-shaped openings 7 and 7' formed on both sides of the radial direction, the c-shaped grooves 17 and 17 'are inserted. The bottom of the manhole cover 16 is securely held by the support plates 18 and 18 'welded to the lower end of the lid gripper 13 and 13' together with the lid gripper 13 Nuts 14 and 14 'mounted around the threaded portions 15 and 15' of the Tighten it down to fix it tightly to the lid 16, and then before and after the device mounted to rotate left and right about the through bolts 20 and 20 'at the front and rear sides of the bottom of the hydraulic jack 2 installed upright in the center of the base 1. Rotating support rods (19) (19 ') of the rotation to reach the manhole cover (16) and then jack the hydraulic jack (2) with the jack handle (25) rope support mounted on the top of the hydraulic jack (2) ( A pulley 11 in which a wire rope hung on 4 is rotated on a shaft 12, 12 'fixed to the hydraulic jack 2 of both wire rope through holes 9, 9' of the base 1. (11 ') is raised and the vertical lid grip 13 (13) holding the manhole cover 16 is fixed to the end of the wire rope (23, 23') as the wire rope (8) rises ( 13 ') is tensioned by pulling the manhole cover. At this time, if the hydraulic jack (2) is continuously raised to lift the wire rope (8) continuously, ride the pulley (11) (11') to the wire rope. The manhole cover 16 is naturally raised by the lifting force while the 8 continues to rise smoothly. At this time, the supporting rods 19 and 19 'support the base 1 and the manhole cover 16 and thus the manhole. The lid is not swinged and is tensioned, and thus, the insertion and removal hooks 21 and 21 'installed at the lower ends of the support plates 5 and 5' on both sides of the base 1 in the state in which the manhole cover 16 is raised. When the hooks 21 and 21 'are hooked to the holes 22 and 22a and the ropes (not shown) connected to the hooks are pulled, the entire switchgear moves naturally, and the manhole cover is moved to open the manhole. When the manhole cover 16 is closed, the tow hooks 21 and 21 'are reversely operated to the opposite side (rear) tow hooks at the bottom of the support plates 5 and 5'. When the rope is pulled on the insertion hole 22 '(22a'), the device is moved to the opposite side and placed on the manhole and coincides with the manhole. When the hydraulic jack (2) is lowered when it is fixed to both ends of the loosened wire rope (8), the vertical cap grip (13) (13 ') holding the manhole cover 16 is lowered and the lid (16) At this time, the front and rear rotary support rods 19 and 19 ', which hold the lid 16, are rotated to be out of the lid, and then the nuts 14 and 14' are released to release the grips 13 and 13 'from the lid. When the separation is completed, the closing of the lid 16 is completed while the switchgear is completely separated to complete the work.

이상과 같은 본 발명 맨홀뚜껑용 개폐장치는 맨홀뚜껑(16)에 장착하거나 해체하기가 용이하고 간편하며, 이동도 간편용이하며 맨홀뚜껑의 승강도 간편용이하여 맨홀의 개폐가 극히 간편용이한 효과가 있다고 하겠다.Opening and closing device for the manhole cover of the present invention as described above is easy and easy to install or dismantle on the manhole cover (16), easy to move and easy to move the manhole cover is very easy to open and close the manhole I would say.

도 1 은 본 발명에 따른 장치의 전체 사시도.1 is an overall perspective view of a device according to the invention.

도 2 는 본 발명에 따른 장치의 맨홀뚜껑 파지구 확대 단면도.Figure 2 is an enlarged cross-sectional view of the manhole cover grip hole of the device according to the present invention.

*도면중 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 기대 2 : 유압잭1: expectation 2: hydraulic jack

3 : V자형 로프홈 4 : 로프지지구3: V-shaped rope groove 4: Rope support

5,5' : 지지판 6,6',6a,6a' : 이동용 롤러5,5 ': support plate 6,6', 6a, 6a ': moving roller

7,7' : 반달형 개폐홈 8 : 와이어로프7,7 ': Half moon groove 8: Wire rope

9,9' : 관통공 10,10' : 로프홈9,9 ': Through hole 10,10': Rope groove

11,11' : 활차 12,12' : 축11,11 ': pulley 12,12': shaft

13,13' : 뚜껑 파지구 14,14' : 너트13,13 ': Lid holder 14,14': Nut

15,15' : 나사산 16 : 맨홀뚜껑15,15 ': Thread 16: Manhole cover

17,17' : ㄷ자형 요홈 18,18' : 받침판17,17 ': t-shaped groove 18,18': Base plate

19,19 : 회전지지봉 20,20' : 관통 볼트19,19: Rotating rod 20,20 ': Through bolt

21,21' : 견인용 고리 22,22',22a,22a' : 구멍21,21 ': Towing ring 22,22', 22a, 22a ': Hole

23,23' : 로프 양단 24,24' : 중공부23,23 ': Both ends of rope 24,24': Hollow part

25 : 잭 손잡이25: jack handle

Claims (1)

맨홀 직경보다 훨씬 긴 가로방향 장방형 기대(1)상의 중앙에 통상의 유압잭(2)이 직립 설치되고, 상기 유압잭의 상단에는 V자형 로프홈(3)이 파인 반달형 로프지지구(4)가 장착되며, 상기 장방형 기대(1)양단에는 사다리꼴 지지판(5)(5')이 세로방향으로 직립용접되고, 상기 지지판(5)(5')의 전후 하단에는 이동용 롤러(6)(6')(6a)(6a')가 장착되며, 맨홀뚜껑의 직경방향으로 양쪽에 형성된 뚜껑 개폐용 반원형 개폐홈(7)(7')과 수직으로 일치되는 상기 장방형 기대(1) 양쪽에는 와이어로프(8) 관통공(9)(9')이 천설되고, 그 관통공(9)(9')들의 상기 유압잭(2)쪽으로는 둘레에 V자형 로프홈(10)(10')이 형성된 활차(滑車)(11)(11')가 회전되게 장착된 축(12)(12')이 세로방향으로 용접고정되며, 상기 와이어로프(8)는 그 중앙이 상기 반달형 로프지지구(4)의 V자형 로프홈(3)에 걸치면서 그 양단(23)(23')은 상기 와이어로프 관통공(9)(9')으로 관통되어 금속재질의 수직형 맨홀뚜껑 파지구(13)(13')의 중공부(24)(24')에 삽입되어 압착고정되고, 상기 수직형 맨홀뚜껑 파지구(13)(13')의 중간부위는 그 외주면에 너트(14)(14')가 승강되게 나사산(15)(15')이 형성되며, 그 하부에는 그 파지구 하단에 용접되어 내측이 길게 연장된 받침판(18)(18')에 의해 뚜껑을 파지할 수 있도록 맨홀뚜껑 두께보다 약간 넓은 ㄷ자형 요홈(17)(17')이 형성되고 상기 장방형 기대(1) 중앙에 설치된 잭(2) 바닥의 정면에는 볼트머리 반대편에만 너트고정용 나사산이 형성된 관통볼트(20)(20')에 의해 ＼＿형 회전 지지봉(19)(19')의 상단이 상기 볼트를 중심으로 회전되게 장착되고 상기 사다리꼴 양쪽 지지판(5)(5') 하단 전후에는 전체 개폐장치 견인용 고리(21)(21') 삽탈용 구멍(22)(22')(22a)(22a')이 각각 천설된 것으로 구성됨을 특징으로하는 맨홀뚜껑 개폐용 장치.A normal hydraulic jack (2) is installed upright in the center on the horizontal rectangular base (1), which is much longer than the manhole diameter, and a half moon rope support (4) with a V-shaped rope groove (3) is mounted on the upper end of the hydraulic jack. Trapezoidal support plates 5, 5 'are erected in the longitudinal direction at both ends of the rectangular base 1, and moving rollers 6, 6', 6a are disposed at the front and bottom of the support plates 5, 5 '. (6a ') is mounted, the wire rope (8) through holes on both sides of the rectangular base (1) vertically coincident with the semicircular opening and closing grooves (7) (7') for opening and closing the lid formed on both sides in the radial direction of the manhole cover. (9) (9 ') and a pulley (11) formed with V-shaped rope grooves (10, 10') around the hydraulic jack (2) of the through holes (9) and (9 '). The shaft 12, 12 'on which the 11 ' is rotated is welded and fixed in the longitudinal direction, and the wire rope 8 has a V-shaped rope groove 3 of the half-moon rope support 4 at the center thereof. Over) Both ends 23 and 23 'penetrate through the wire rope through-holes 9 and 9' so that the hollow portions 24 and 24 'of the metal vertical manhole cover gripping holes 13 and 13'. It is inserted into the crimp and fixed, and the middle portion of the vertical manhole cover gripping openings 13 and 13 'is formed with threads 15 and 15' such that nuts 14 and 14 'are lifted on the outer circumferential surface thereof. In the lower part, a c-shaped groove (17) (17 ') which is slightly wider than the thickness of the manhole cover is formed so that the lid can be gripped by the supporting plate (18) (18') which is welded to the lower end of the gripper and the inner side extends long. In the front of the bottom of the jack (2) installed in the center of the rectangular base (1), the pin-shaped rotary support rods 19, 19 ' ) Is mounted so as to rotate about the bolt and the front and rear of the trapezoidal both support plates 5, 5 ', and the opening and closing device for the entire opening and closing device 21, 21' insertion hole 22, 22 '. (22a) (2 2a ') each of the manhole cover opening and closing device characterized in that composed of snow.
KR1020050028915A 2005-04-07 2005-04-07 Opening and closing device for manhole cover KR20050039814A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200474265Y1 (en) * 2012-12-26 2014-09-02 한전케이피에스 주식회사 A mobile lifting device for manhole cover
US20160368748A1 (en) * 2014-02-26 2016-12-22 Roger Doherty A Multipurpose Device
CN106351262A (en) * 2016-10-13 2017-01-25 庄乾晗 Anti-theft municipal well cover detachment structure
CN106368242A (en) * 2016-10-13 2017-02-01 庄乾晗 Improved manhole cover structure easy to disassemble
CN108584195A (en) * 2017-12-08 2018-09-28 浙江山丰智能科技股份有限公司 A kind of automatic open-close manhole cover and its application method
CN112279174A (en) * 2020-10-30 2021-01-29 上海市地质勘查技术研究院 Firm underground pipeline is well lid opening device for measurement
CN113718857A (en) * 2021-09-03 2021-11-30 湖南东泉铸造有限公司 Double-hole double-cover nodular cast iron well lid and assembling device thereof
KR102453529B1 (en) 2022-02-18 2022-10-11 서도환 Chain gear type apparatus for opening and shutting manhole's cover

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200474265Y1 (en) * 2012-12-26 2014-09-02 한전케이피에스 주식회사 A mobile lifting device for manhole cover
US20160368748A1 (en) * 2014-02-26 2016-12-22 Roger Doherty A Multipurpose Device
US11027954B2 (en) * 2014-02-26 2021-06-08 Roger Doherty Multipurpose device
CN106351262A (en) * 2016-10-13 2017-01-25 庄乾晗 Anti-theft municipal well cover detachment structure
CN106368242A (en) * 2016-10-13 2017-02-01 庄乾晗 Improved manhole cover structure easy to disassemble
CN106351262B (en) * 2016-10-13 2018-05-04 台州鼎拓工业设计有限公司 A kind of antitheft municipal well lid detaching structure
CN106368242B (en) * 2016-10-13 2018-05-08 台州鼎拓工业设计有限公司 A kind of modified municipal administration well lid detachable structure
CN108584195A (en) * 2017-12-08 2018-09-28 浙江山丰智能科技股份有限公司 A kind of automatic open-close manhole cover and its application method
CN112279174A (en) * 2020-10-30 2021-01-29 上海市地质勘查技术研究院 Firm underground pipeline is well lid opening device for measurement
CN112279174B (en) * 2020-10-30 2022-03-11 上海市地质勘查技术研究院 Firm underground pipeline is well lid opening device for measurement
CN113718857A (en) * 2021-09-03 2021-11-30 湖南东泉铸造有限公司 Double-hole double-cover nodular cast iron well lid and assembling device thereof
KR102453529B1 (en) 2022-02-18 2022-10-11 서도환 Chain gear type apparatus for opening and shutting manhole's cover

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