WO2010041881A2 - Tube flexible à soufflet pour absorber une vibration de pompe - Google Patents

Tube flexible à soufflet pour absorber une vibration de pompe Download PDF

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Publication number
WO2010041881A2
WO2010041881A2 PCT/KR2009/005756 KR2009005756W WO2010041881A2 WO 2010041881 A2 WO2010041881 A2 WO 2010041881A2 KR 2009005756 W KR2009005756 W KR 2009005756W WO 2010041881 A2 WO2010041881 A2 WO 2010041881A2
Authority
WO
WIPO (PCT)
Prior art keywords
bellows
plate member
connection plate
hole
connecting plate
Prior art date
Application number
PCT/KR2009/005756
Other languages
English (en)
Korean (ko)
Other versions
WO2010041881A3 (fr
Inventor
김만중
Original Assignee
Kim Man Jung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kim Man Jung filed Critical Kim Man Jung
Publication of WO2010041881A2 publication Critical patent/WO2010041881A2/fr
Publication of WO2010041881A3 publication Critical patent/WO2010041881A3/fr

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Classifications

    • 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
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
    • 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
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
    • F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
    • 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
    • F16L51/00—Expansion-compensation arrangements for pipe-lines

Definitions

  • the present invention relates to a bellows stretch pipe for absorbing pump vibration, and more particularly, to a technology for firmly joining members while preventing corrosion or breakage of a welded portion because it is not joined by a plate member and a bellows welding.
  • various pipes such as cold and hot water transport pipes and waste water discharge pipes are piped in a building, and the pipes are connected to a pump in a machine room, and fluid is transferred to each floor by the operation of the pump.
  • the connection between the various piping pipes of the building and the discharge port of the pump is easily broken by the vibration generated while the pump is operating.
  • a vertical pipe In the case of a multi-storey building, a vertical pipe is erected vertically to supply fluid to each floor and discharge the fluid, and the lower end thereof is connected to the discharge port of the pump. It is stretched by thermal deformation according to temperature and temperature changes, and the height of the building is slightly lowered by gravity, causing deformation in the longitudinal direction.
  • the expansion pipe is stretched between the pipe and the pump discharge port to prevent it. Is installing.
  • FIG. 6 is a half sectional view of a flexible tube according to the prior art
  • FIG. 7 is an enlarged view of a main portion of part A of FIG.
  • the flexible pipe 1 has a first through hole 11 through which a fluid can pass, and is connected to the discharge port side of the pump and has a first connection plate.
  • Member 10 The second connecting plate member 20 is spaced apart from the first connecting plate 10, and the second connecting hole 21 through which a fluid can pass is formed in the body, and connected to each piping pipe of the building.
  • a bellows member 30 having corrugated corrugations formed repeatedly, one end of which is fixed to the first connection plate member 10 and the other end of which is fixed to the second connection plate member 20;
  • Composed through the first and second connection plate members (10, 20) is composed of a stretch guide bar member 40 for guiding it during the stretching action of the bellows member (30).
  • the elastic guide bar member 40 has a head 51 having a diameter larger than the diameter of the body at one end thereof, and a thread is formed on the outer circumferential surface of the end to form the first and second connection plate members 10 and 20.
  • a guide bolt 50 formed of a bolt portion 52 penetrating through and coupled to protrude an end portion thereof;
  • a nut member 60 screwed to the protruding end of the guide bolt 50;
  • a rubber pad 81 mounted between the nut member 60 and the first connecting plate 10 or the second connecting plate 20;
  • the pad cap 82 is formed to cover the upper portion of the rubber pad 81 and is mounted between the rubber pad 81 and the nut member 60.
  • the rubber pad 81 and the pad cap 82 are also mounted to the head 51 of the guide bolt 50 so that the bellows member 30 can cushion the shock generated when the bellows member 30 is stretched.
  • the first and second connection plate members 10 and 20 are connected to the discharge port side pipe of the pump and the pipe pipe of the building by flange coupling, respectively, the first and second connection plate members 10 and 20 are mounted between the first and second connection plate members 10 and 20.
  • the bellows member 30 is stretched according to the vibration generated during the operation of the pump and the length deformation of the piping pipe, and absorbs the vibration and the length deformation.
  • both ends of the bellows member 30 are welded to and fixed to inner surfaces of the first and second through holes 11 and 21 of the first and second connection plate members 10 and 20. have.
  • the bellows member is directly welded to and fixed to the first and second connection plate members, the first and second connection plate members are thermally deformed or the material is weak due to the high heat generated during welding. There is a distraction that changes.
  • first and second connection plate members made of a special alloy material which does not deform even in high heat generated during welding and is resistant to corrosion from a highly corrosive fluid has been proposed, but this technique increases the manufacturing cost. It causes.
  • the bellows member is directly welded to the first and second connection plate members, the flow generated during the stretching action is directly transmitted to the fixed part, thereby easily breaking during use.
  • the present invention is derived to solve the problems according to the prior art described above, and does not rely on welding to join the connection plate member, the bellows member and the upper coupling member, so that corrosion of the welded portion may be caused by the joining using welding. To provide a technique for preventing or damage.
  • the pump vibration absorbing bellows expansion pipe according to an embodiment of the present invention, the upper connection plate having a plate shape with a through hole formed in the center, spaced apart a predetermined distance from the lower portion of the upper connection plate And a lower connection plate formed to correspond to the upper connection plate, installed between the upper connection plate and the lower connection plate, and installed in the bellows member having a tubular shape in which corrugations are repeated and the through hole of the upper connection plate. And an upper coupling member and a lower coupling member mounted in the through hole of the lower connection plate.
  • the through hole of the upper connecting plate member and the lower connecting plate member is formed in a two-stage structure is mounted on the upper coupling table or the upper coupling table; And an installation groove in which an end of the bellows member is located.
  • the upper coupling member and the lower coupling member is formed in a two-stage structure, the cross section of the outer diameter corresponding to the through-holes of the upper connecting plate member and the lower connecting plate member to form a seating surface seated on the seat Can be.
  • the outer diameters of both ends of the bellows member are located in the installation grooves of the upper connecting plate member and the lower connecting plate member, and the upper connecting member and the lower connecting member are connected to the upper connecting plate member and the lower connecting member through an adhesive means. It can be bonded to the plate member.
  • the upper connecting plate member and the lower connecting plate member is formed with a fastening hole for penetrating the guide bolt at a position spaced apart from the through hole by a predetermined interval, the upper connecting plate member and the lower connecting plate member
  • a first guide part may be further formed on the seating plate, and a second guide part corresponding to the first guide part may be further formed on the seating surfaces of the upper coupling member and the lower coupling member.
  • the upper rubber pad and the lower rubber pad may be further disposed on the upper part of the fastening hole of the upper connection plate member and the lower part of the fastening hole of the lower connection plate member.
  • the Velcro member is made of stainless steel, upper connecting plate member, lower connection
  • the upper and lower connecting plate, the bellows member is Teflon coated or the upper and lower connecting plate is anodizing according to the purpose Can be processed.
  • the plate member may be formed of aluminum.
  • both ends of the bellows member is formed of a horizontal bending portion and a vertical bending portion, the horizontal bending portion is in contact with the seating plate, the vertical bending portion is fitted into the installation groove, or the horizontal
  • the bent portion may contact the seating plate, and the vertical bent portion may contact the outer diameters of the upper coupling member and the lower coupling member.
  • connection plate member by fitting the connection plate member, the bellows member, and the upper coupling member by fitting and using an adhesive, it is possible to prevent corrosion or breakage of the welded portion which may be caused by the bonding using welding.
  • the bellows member is made of stainless steel, it is effective in preventing corrosion.
  • the bellows member is Teflon-coated or the plate is anodized according to the purpose and exposed to seawater, there is an effective effect to prevent corrosion.
  • FIG. 1 is a perspective view of a flexible tube according to a first embodiment of the present invention.
  • FIG. 2 is an exploded side cross-sectional view of FIG.
  • FIG. 3 is a side cross-sectional view of the engagement of FIG.
  • Figure 4 is a side cross-sectional view of the coupling of the expansion tube according to the second embodiment of the present invention.
  • Figure 5 is a side cross-sectional view of the coupling of the expansion tube according to the third embodiment of the present invention.
  • Figure 6 is a half sectional view of a flexible tube according to the prior art.
  • FIG. 7 is an enlarged view illustrating main parts of part A of FIG. 6.
  • expansion pipe 110 upper connecting plate member
  • Figure 1 is a perspective view of a flexible tube according to a first embodiment of the present invention
  • Figure 2 is an exploded side cross-sectional view of Figure 1
  • Figure 3 is a side cross-sectional view of FIG.
  • the pump vibration absorbing bellows expansion pipe 100 As shown, the pump vibration absorbing bellows expansion pipe 100 according to the first embodiment (100: for convenience of description below, unless otherwise stated, 'pump vibration absorbing bellows expansion pipe' is simply a 'expansion pipe'
  • the main configuration of the present invention includes an upper connection plate member 110, a lower connection plate member 120, a bellows member 130, an upper coupling member 140, and a lower coupling member 145.
  • the upper connection plate member 110 has a plate shape in which a through hole 115 is formed in the center thereof.
  • a fastening hole 119 for penetrating the guide bolt 150 is formed at a position spaced a predetermined distance from the through hole 115 of the upper connection plate member 110.
  • the through hole 115 is formed in a two-stage structure, has a seating stand 111, and an installation groove 113 in which the end 131 of the bellows member 130 is positioned is formed.
  • the seating stand 111 is formed with a guide groove 112 having an upper portion.
  • the lower connection plate member 120 has a shape in which the upper connection plate member 110 is vertically symmetrical.
  • the upper connection plate member 110 and the lower connection plate member 120 are formed of aluminum, and the bellows member is formed of stainless steel. Stainless steel is highly corrosion resistant but almost impossible to weld. However, since the present invention does not use a joining method by welding, a stainless steel material having excellent corrosion resistance and durability can be used.
  • the bellows member 130 has a tubular shape in which corrugations of corrugations are repeated as a whole.
  • the upper rubber pad 153 is positioned above the fastening hole 119 of the upper connection plate member 110 and absorbs vibration generated during use of the expansion pipe 100. Since the structure and function of the lower rubber pad 154 is the same as the upper rubber pad 153, its detailed description is omitted.
  • the guide bolt 150 sequentially penetrates the lower rubber pad 154, the lower connecting plate member 120, the upper connecting plate member 110, and the upper rubber pad 153, and a thread 152 is formed at the upper outer diameter. And the bolt head 155 is formed at the bottom.
  • the nut 151 is screwed with the threaded portion 152 of the guide bolt 150 at the top of the upper rubber pad 153.
  • the upper coupling member 140 has a tubular shape in which a through hole 144 is formed in the center as a whole, and a cross section of an outer diameter is formed in a two-stage structure corresponding to the through hole 115 of the upper connection plate member 110.
  • the seating surface 141 may further include a guide protrusion 142 corresponding to the guide groove 112 of the upper connection plate member 110. As the guide groove 112 and the guide protrusion 142 are fitted to each other, the upper coupling member 140 and the upper connection plate may maintain a stable coupling position.
  • the lower coupling member 145 has a shape in which the upper coupling member 140 is symmetric up and down.
  • the end 131 of the bellows member 130 is positioned in the installation groove 113 of the upper connection plate member 110 and the lower connection plate member 120.
  • an adhesive is injected and fitted between the guide protrusion 142 of the upper coupling member 140 and the guide groove 112 of the upper connection plate member 110.
  • the same operation is performed in the lower coupling member 145 and the lower connection plate member 120 in the same manner.
  • the upper rubber pad 153 and the nut 151 are sequentially stacked on the upper part of the fastening hole 119, and the lower rubber pad 154 is lower than the fastening hole 129 of the lower connection plate member 120. In the state positioned at, through the guide bolts 150 to be coupled.
  • Figure 4 is a side cross-sectional view of the coupling of the expansion tube according to the second embodiment of the present invention.
  • the expansion pipe 200 according to the second embodiment has a horizontal bending portion 231 and a vertical bending portion at both ends of the bellows member as compared with the expansion pipe 100 according to the first embodiment. It is substantially the same except that 232) is further formed.
  • the horizontal bent portion 231 is in contact with the seat 211
  • the vertical bent portion 232 is in contact with the outer diameter of the upper coupling member 240.
  • Figure 5 is a side cross-sectional view of the coupling of the expansion tube according to the third embodiment of the present invention.
  • the expansion pipe 300 according to the third embodiment has a horizontal bending portion 331 and a vertical bending portion at both ends of the bellows member as compared with the expansion pipe 100 according to the first embodiment. Are substantially the same except that 332) is further formed.
  • the horizontal bent portion 331 is in contact with the seat 311, the vertical bent portion 332 is fitted into the installation groove 313.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

La présente invention concerne un tube flexible à soufflet, destiné à absorber une vibration de pompe, qui comporte un élément de plaque de raccordement ayant une forme de plaque globale, pour solidement relier un élément de plaque à un élément de soufflet, un trou traversant étant formé au centre et un trou de fixation étant formé à travers lequel un boulon de guidage peut pénétrer au niveau d'un emplacement séparé du trou traversant par un certain intervalle, le trou traversant étant formé dans une structure à deux extrémités pour avoir une portée d'étanchéité, et une rainure d'installation étant formée dans le trou traversant où l'extrémité de l'élément de soufflet est située ; un élément de soufflet en forme globale de tube, des plis de forme ondulée étant répétés ; un coussin en caoutchouc supérieur et un coussin en caoutchouc inférieur situés dans le trou de fixation de l'élément de plaque de raccordement ; un boulon de guidage qui passe à travers le coussin en caoutchouc inférieur, l'élément de plaque de raccordement inférieur, l'élément de plaque de raccordement supérieur et le coussin en caoutchouc supérieur, et qui présente une partie filetée formée sur son diamètre externe supérieur et une tête de boulon formée sur sa partie inférieure ; un écrou qui se visse sur la partie filetée du boulon de guidage au niveau de la partie supérieure du coussin en caoutchouc supérieur, et un élément de combinaison supérieur et un élément de combinaison inférieur en forme globale de tube avec un trou traversant formé dans le centre et qui sont formés dans une structure à deux extrémités, la section droite du diamètre interne correspondant au trou traversant dudit élément de plaque de raccordement supérieur et dudit élément plaque de raccordement inférieur de telle sorte qu'il y a une portée d'étanchéité.
PCT/KR2009/005756 2008-10-10 2009-10-08 Tube flexible à soufflet pour absorber une vibration de pompe WO2010041881A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080099521A KR100932463B1 (ko) 2008-10-10 2008-10-10 펌프 진동 흡수용 벨로우즈 신축관
KR10-2008-0099521 2008-10-10

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WO2010041881A2 true WO2010041881A2 (fr) 2010-04-15
WO2010041881A3 WO2010041881A3 (fr) 2010-07-29

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PCT/KR2009/005756 WO2010041881A2 (fr) 2008-10-10 2009-10-08 Tube flexible à soufflet pour absorber une vibration de pompe

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WO (1) WO2010041881A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226490A (zh) * 2011-05-11 2011-10-26 中国核电工程有限公司 波纹形吸能装置及采用这种吸能装置的防甩击限制件
CN102278561A (zh) * 2011-06-29 2011-12-14 北京宇航系统工程研究所 一种大口径长跨度输送管用补偿器
CN109084079A (zh) * 2018-09-29 2018-12-25 天津包博特密封科技有限公司 一种高密封性搅拌料斗闸板
CN109138030A (zh) * 2018-07-27 2019-01-04 天津包博特密封科技有限公司 一种挖泥船搅拌料斗闸板
CN109339138A (zh) * 2018-09-29 2019-02-15 天津包博特密封科技有限公司 一种耐冲击的挖泥船料斗闸板

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956882A (zh) * 2010-09-15 2011-01-26 安徽铜陵科力阀门有限责任公司 橡胶伸缩器
KR102148936B1 (ko) * 2019-06-20 2020-08-28 심성구 내진 설계된 단식 벨로우즈 타입의 신축관 이음
KR102182420B1 (ko) * 2019-08-14 2020-11-24 심성구 내진 설계된 복식 벨로우즈 타입의 신축관 이음

Citations (3)

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US6076864A (en) * 1995-01-25 2000-06-20 Levivier; Guy Flange for compensator couplings or pipes
KR200390457Y1 (ko) * 2005-04-20 2005-07-22 이세규 펌프 진동 흡수용 벨로우즈 신축관의 벨로우즈 고정구조
KR200434272Y1 (ko) * 2006-09-25 2006-12-18 박우균 벨로즈 조인트

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JPH07269759A (ja) * 1994-03-30 1995-10-20 Sekisui Chem Co Ltd 伸縮管継手
KR100711736B1 (ko) 2005-07-12 2007-04-25 김철원 고순도 케미컬 이송 호스의 자동연결장치에 장착되는 암커플링의 정전기제거장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6076864A (en) * 1995-01-25 2000-06-20 Levivier; Guy Flange for compensator couplings or pipes
KR200390457Y1 (ko) * 2005-04-20 2005-07-22 이세규 펌프 진동 흡수용 벨로우즈 신축관의 벨로우즈 고정구조
KR200434272Y1 (ko) * 2006-09-25 2006-12-18 박우균 벨로즈 조인트

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226490A (zh) * 2011-05-11 2011-10-26 中国核电工程有限公司 波纹形吸能装置及采用这种吸能装置的防甩击限制件
CN102226490B (zh) * 2011-05-11 2013-07-24 中国核电工程有限公司 波纹形吸能装置及采用这种吸能装置的防甩击限制件
CN102278561A (zh) * 2011-06-29 2011-12-14 北京宇航系统工程研究所 一种大口径长跨度输送管用补偿器
CN109138030A (zh) * 2018-07-27 2019-01-04 天津包博特密封科技有限公司 一种挖泥船搅拌料斗闸板
CN109084079A (zh) * 2018-09-29 2018-12-25 天津包博特密封科技有限公司 一种高密封性搅拌料斗闸板
CN109339138A (zh) * 2018-09-29 2019-02-15 天津包博特密封科技有限公司 一种耐冲击的挖泥船料斗闸板

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Publication number Publication date
WO2010041881A3 (fr) 2010-07-29
KR100932463B1 (ko) 2009-12-17

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