WO2019157808A1 - Circumferential seam sealing structure of underground integrated pipe gallery - Google Patents

Circumferential seam sealing structure of underground integrated pipe gallery Download PDF

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Publication number
WO2019157808A1
WO2019157808A1 PCT/CN2018/103032 CN2018103032W WO2019157808A1 WO 2019157808 A1 WO2019157808 A1 WO 2019157808A1 CN 2018103032 W CN2018103032 W CN 2018103032W WO 2019157808 A1 WO2019157808 A1 WO 2019157808A1
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WIPO (PCT)
Prior art keywords
axial
circumferential
sealing gasket
bolt
sealing
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PCT/CN2018/103032
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French (fr)
Chinese (zh)
Inventor
战福军
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南京联众工程技术有限公司
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Publication of WO2019157808A1 publication Critical patent/WO2019157808A1/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating

Definitions

  • the utility model relates to a sealing structure, in particular to a sealing structure of a circumferential joint of an underground integrated pipe gallery.
  • the joint sealing of the underground integrated pipe gallery is generally rubber pad, but the life of the rubber pad does not reach the average life of the pipe gallery.
  • the applicant has been working on the research and application of the underground structure of the steel structure, as shown in Figure 1.
  • the circumferential seal between the pipe porches is welded with stainless steel welding rods, in order to ensure the life expectation of the sealing method for 100 years, but the cost is high, and the skill of the construction personnel is high. If a rubber mat is used, the rubber mat must be replaceable during later maintenance.
  • the utility model provides a sealing structure of a circumferential joint of a underground integrated pipe gallery, which can effectively seal the circumferential joint of the pipe joint connection and can be disassembled and replaced when the sealing rubber pad fails Rubber pad for 100 years of service life.
  • the utility model provides a sealing structure of a circumferential joint of an underground integrated pipe gallery, which comprises a circumferential sealing gasket, an axial sealing gasket, a pressure plate and a bolt, and the circumferential sealing gasket is arranged in the circumferential direction.
  • the angle steel flanges are welded and fixed on the pipe porch, and the angled steel flanges and the circumferential sealing gaskets are provided with bolt through holes, and the bolts are worn.
  • the angle steel flange is connected with the hoop sealing gasket to fix and seal the two pipe joints; the angle steel flange is arranged with an axial seal above the two axial flanges parallel to the pipe axis
  • the gasket and the pressure plate are pressed on the axial sealing gasket, and the bolt plate and the axial flange are respectively provided with bolt through holes, and the bolt passes through the bolt through hole to connect the pressure plate and the axial flange, thereby pressing the axial sealing gasket .
  • the pressing plate may be an integrally formed structure, and the shape of the pressing plate is the same as the circumferential shape of the axial folded edge; the pressing plate may also be decomposed into a plurality of pieces, and the pressing plate may be evenly distributed along the circumferential direction at equal intervals of two or more axial sealing pads. The sheet is pressed against the axial flange.
  • the axial length of the pressure plate is greater than the axial length of the axial sealing gasket, and the pressure plate completely covers the axial sealing gasket in the axial direction during installation.
  • the utility model has the beneficial effects that the utility model can conveniently solve the problem of seepage flow in the circumferential joint of the pipe gallery, and the components thereof can be disassembled and replaced, so that the anti-leakage life of the sealing structure at the joint seam can reach the technical requirement of 100 years; The way to make the seal better.
  • Figure 1 is a sealing structure of a circumferential joint of an existing underground integrated pipe gallery
  • FIG. 2 is a schematic view of an existing single-section pipe gallery
  • Figure 3 is a schematic view of the structure of the present invention.
  • Figure 4 is a cross-sectional view of the pipe joint of the utility model when the pressure plate is integrally formed
  • Fig. 5 is a cross-sectional view showing the joint of the utility model in a circumferential direction when the pressure plate is decomposed into a plurality of pieces.
  • the sealing structure of the circumferential joint of the underground integrated pipe gallery comprises a circumferential sealing gasket 1, an axial sealing gasket 2, a pressing plate 3, a bolt 4, and the circumferential sealing gasket 1 is disposed on Between the vertical flanges 51 of the angle flanges 5 of the two pipe porches at the circumferential joints, the angle steel flanges are welded and fixed on the pipe porch, and the angle steel flange 5 and the circumferential gasket 1 are opened.
  • the bolt 4 passes through the bolt through hole to connect the angle steel flange 5 and the ring seal gasket 1 to fix the two pipe joints; the angle steel flange 5 is parallel to the two axes of the pipe axis
  • An axial sealing gasket 2 is disposed on the flange 52, and the pressure plate 3 is pressed on the axial sealing gasket 2.
  • the bolting hole is formed in the pressure plate 2 and the axial flange 52, and the bolt 4 passes through the bolt through hole.
  • the pressure plate is coupled to the axial flange 52 to compress the axial gasket 2.
  • the axial length of the pressure plate 3 is greater than the axial length of the axial sealing gasket 2, and the pressure plate 3 completely covers the axial sealing gasket 2 in the axial direction during installation.
  • the pressure plate 3 is an integrally formed structure, and the shape of the pressure plate 3 is the same as the circumferential shape of the axial flange 52.
  • the pressure plate 3 is distributed three in the circumferential direction, and the axial sealing gasket 2 is pressed against the axial flange.
  • the pressure plate 3 is evenly distributed at equal intervals in the circumferential direction.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Gasket Seals (AREA)

Abstract

Disclosed is a circumferential seam sealing structure of an underground integrated pipe gallery. The sealing structure comprises a circumferential sealing gasket (1), an axial sealing gasket (2), a pressing plate (3), and a bolt. The circumferential sealing gasket is disposed between vertical bent edges (51) of steel angle flanges (5) of two pipe gallery sections at the circumferential seam. Both the steel angle flanges and the circumferential sealing gasket are provided with a bolt through hole, and a bolt passes therethrough to connect and tighten the steel angle flanges to the circumferential sealing gasket. The axial sealing gasket is provided on two axial bent edges (52) of the steel angle flanges parallel to an axis of the pipe gallery. The pressing plate is pressed on the axial sealing gasket. Both the pressing plate and the axial bent edges are provided with a bolt through hole, and a bolt passes therethrough to connect the pressing plate to the axial bent edges, so as to tighten the axial sealing gasket. The axial sealing gasket can be removed and replaced in the event that the sealing structure leaks or the sealing gasket fails, thereby ensuring lasting leak prevention effects at the seam.

Description

地下综合管廊的环向接缝的密封结构Sealing structure of the circumferential joint of the underground integrated pipe gallery 技术领域Technical field
本实用新型涉及一种密封结构，特别是一种地下综合管廊的环向接缝的密封结构。The utility model relates to a sealing structure, in particular to a sealing structure of a circumferential joint of an underground integrated pipe gallery.
背景技术Background technique
地下综合管廊的接缝密封一般是用橡胶垫，但是橡胶垫的寿命达不到管廊的平均寿命，本申请人一直致力于钢结构地下综合管廊的研究及应用，如图1所示，在已经公开的专利当中，管廊之间的环向密封是用不锈钢焊条焊接的，目的是为了保证密封方式100年的寿命要求，但成本很高，对施工人员的技能要求高。如果使用橡胶垫，橡胶垫必须是在后期维护过程中是可以更换的。The joint sealing of the underground integrated pipe gallery is generally rubber pad, but the life of the rubber pad does not reach the average life of the pipe gallery. The applicant has been working on the research and application of the underground structure of the steel structure, as shown in Figure 1. In the already disclosed patent, the circumferential seal between the pipe porches is welded with stainless steel welding rods, in order to ensure the life expectation of the sealing method for 100 years, but the cost is high, and the skill of the construction personnel is high. If a rubber mat is used, the rubber mat must be replaceable during later maintenance.
实用新型内容Utility model content
实用新型目的：本实用新型提供了一种地下综合管廊的环向接缝的密封结构，该结构能够有效密封管廊连接处的环向接缝，并可以在密封橡胶垫失效时拆卸更换密封橡胶垫，保证100年的使用寿命。SUMMARY OF THE INVENTION The utility model provides a sealing structure of a circumferential joint of a underground integrated pipe gallery, which can effectively seal the circumferential joint of the pipe joint connection and can be disassembled and replaced when the sealing rubber pad fails Rubber pad for 100 years of service life.
实用新型内容：本实用新型提供一种地下综合管廊的环向接缝的密封结构，包括环向密封垫片、轴向密封垫片、压板、螺栓，环向密封垫片设置于环向接缝处的两节管廊的角钢法兰的竖直折边之间，角钢法兰环向焊接固定在管廊上，角钢法兰以及环向密封垫片上均开设有螺栓通孔，螺栓穿过螺栓通孔将角钢法兰与环向密封垫片连接压紧，从而将两节管廊连接固定并密封；角钢法兰平行于管廊轴线的两个轴向折边上方设置有轴向密封垫片，压板压在轴向密封垫片上，压板与轴向折边上均开设有螺栓通孔，螺栓穿过螺栓通孔将压板与轴向折边连接，从而压紧轴向密封垫片。SUMMARY OF THE INVENTION The utility model provides a sealing structure of a circumferential joint of an underground integrated pipe gallery, which comprises a circumferential sealing gasket, an axial sealing gasket, a pressure plate and a bolt, and the circumferential sealing gasket is arranged in the circumferential direction. Between the vertical flanges of the angle flanges of the two pipe porches, the angle steel flanges are welded and fixed on the pipe porch, and the angled steel flanges and the circumferential sealing gaskets are provided with bolt through holes, and the bolts are worn. Through the bolt through hole, the angle steel flange is connected with the hoop sealing gasket to fix and seal the two pipe joints; the angle steel flange is arranged with an axial seal above the two axial flanges parallel to the pipe axis The gasket and the pressure plate are pressed on the axial sealing gasket, and the bolt plate and the axial flange are respectively provided with bolt through holes, and the bolt passes through the bolt through hole to connect the pressure plate and the axial flange, thereby pressing the axial sealing gasket .
其中压板可以为一体成型结构，压板的形状与轴向折边的环向形状相同；压板也可以分解为多个，压板可沿环向等间距均匀分布两个或者两个以上将轴向密封垫片压紧在轴向折边上。The pressing plate may be an integrally formed structure, and the shape of the pressing plate is the same as the circumferential shape of the axial folded edge; the pressing plate may also be decomposed into a plurality of pieces, and the pressing plate may be evenly distributed along the circumferential direction at equal intervals of two or more axial sealing pads. The sheet is pressed against the axial flange.
其中，压板轴向长度大于轴向密封垫片轴向长度，安装时压板在轴向完全覆盖轴向密封垫片。Wherein, the axial length of the pressure plate is greater than the axial length of the axial sealing gasket, and the pressure plate completely covers the axial sealing gasket in the axial direction during installation.
有益效果：本实用新型可以方便的解决管廊环向接缝的渗流问题，其各部件可拆卸更换，故可以使接缝处的密封结构防渗漏寿命达到100年的技术要求；采用双重密封的方式，使得密封效果更好。The utility model has the beneficial effects that the utility model can conveniently solve the problem of seepage flow in the circumferential joint of the pipe gallery, and the components thereof can be disassembled and replaced, so that the anti-leakage life of the sealing structure at the joint seam can reach the technical requirement of 100 years; The way to make the seal better.
附图说明DRAWINGS
图1为已有的地下综合管廊的环向接缝的密封结构；Figure 1 is a sealing structure of a circumferential joint of an existing underground integrated pipe gallery;
图2为已有的单节管廊示意图；2 is a schematic view of an existing single-section pipe gallery;
图3为本实用新型结构示意图；Figure 3 is a schematic view of the structure of the present invention;
图4为压板一体成型时本实用新型管廊环向接缝处剖视图；Figure 4 is a cross-sectional view of the pipe joint of the utility model when the pressure plate is integrally formed;
图5为压板分解为多个时本实用新型管廊环向接缝处剖视图。Fig. 5 is a cross-sectional view showing the joint of the utility model in a circumferential direction when the pressure plate is decomposed into a plurality of pieces.
具体实施方式Detailed ways
如图3所示，一种地下综合管廊的环向接缝的密封结构，包括环向密封垫片1、轴向密封垫片2、压板3、螺栓4，环向密封垫片1设置于环向接缝处的两节管廊的角钢法兰5的竖直折边51之间，角钢法兰环向焊接固定在管廊上，角钢法兰5以及环向密封垫片1上均开设有螺栓通孔，螺栓4穿过螺栓通孔将角钢法兰5与环向密封垫片1连接压紧，从而将两节管廊连接固定；角钢法兰5平行于管廊轴线的两个轴向折边52上设置有轴向密封垫片2，压板3压在轴向密封垫片2上，压板2与轴向折边52上均开设有螺栓通孔，螺栓4穿过螺栓通孔将压板与轴向折边52连接，从而压紧轴向密封垫片2。压板3轴向长度大于轴向密封垫片2轴向长度，安装时压板3在轴向完全覆盖轴向密封垫片2。As shown in FIG. 3, the sealing structure of the circumferential joint of the underground integrated pipe gallery comprises a circumferential sealing gasket 1, an axial sealing gasket 2, a pressing plate 3, a bolt 4, and the circumferential sealing gasket 1 is disposed on Between the vertical flanges 51 of the angle flanges 5 of the two pipe porches at the circumferential joints, the angle steel flanges are welded and fixed on the pipe porch, and the angle steel flange 5 and the circumferential gasket 1 are opened. There is a bolt through hole, and the bolt 4 passes through the bolt through hole to connect the angle steel flange 5 and the ring seal gasket 1 to fix the two pipe joints; the angle steel flange 5 is parallel to the two axes of the pipe axis An axial sealing gasket 2 is disposed on the flange 52, and the pressure plate 3 is pressed on the axial sealing gasket 2. The bolting hole is formed in the pressure plate 2 and the axial flange 52, and the bolt 4 passes through the bolt through hole. The pressure plate is coupled to the axial flange 52 to compress the axial gasket 2. The axial length of the pressure plate 3 is greater than the axial length of the axial sealing gasket 2, and the pressure plate 3 completely covers the axial sealing gasket 2 in the axial direction during installation.
如图4所示，压板3为一体成型结构，压板3的形状与轴向折边52的环向形状相同。As shown in FIG. 4, the pressure plate 3 is an integrally formed structure, and the shape of the pressure plate 3 is the same as the circumferential shape of the axial flange 52.
如图5所示，压板3沿环向分布三个，将轴向密封垫片2压紧在轴向折边上压板3沿环向等间距均匀分布。As shown in FIG. 5, the pressure plate 3 is distributed three in the circumferential direction, and the axial sealing gasket 2 is pressed against the axial flange. The pressure plate 3 is evenly distributed at equal intervals in the circumferential direction.

Claims (5)

  1. 一种地下综合管廊的环向接缝的密封结构，包括环向密封垫片(1)、轴向密封垫片(2)、压板(3)、螺栓(4)，其特征在于：所述环向密封垫片(1)设置于环向接缝处的两节管廊的角钢法兰(5)的竖直折边(51)之间，所述角钢法兰(5)以及环向密封垫片(1)上均开设有螺栓通孔，螺栓(4)穿过螺栓通孔将角钢法兰(5)与环向密封垫片(1)连接压紧，从而将两节管廊连接固定；所述角钢法兰(5)平行于管廊轴线的两个轴向折边(52)上设置有轴向密封垫片(2)，压板(3)压在轴向密封垫片(2)上，压板(2)与轴向折边(52)上均开设有螺栓通孔，螺栓(4)穿过螺栓通孔将压板与轴向折边(52)连接，从而压紧轴向密封垫片(2)。The sealing structure of the circumferential joint of the underground integrated pipe gallery comprises a circumferential sealing gasket (1), an axial sealing gasket (2), a pressing plate (3) and a bolt (4), characterized in that: The hoop gasket (1) is disposed between the vertical flanges (51) of the angle flanges (5) of the two pipe porches at the hoop seam, the angle flange (5) and the circumferential seal A bolt through hole is opened in the gasket (1), and the bolt (4) is connected to the angle sealing flange (1) through the bolt through hole to press and fix the two pipe joints. The angle flange (5) is provided with an axial sealing gasket (2) on two axial flanges (52) parallel to the axis of the pipe shaft, and the pressure plate (3) is pressed against the axial sealing gasket (2) Upper, the pressure plate (2) and the axial flange (52) are respectively provided with bolt through holes, and the bolts (4) are connected through the bolt through holes to connect the pressure plate and the axial flange (52), thereby pressing the axial seal Piece (2).
  2. 根据权利要求1所述的地下综合管廊的环向接缝的密封结构，其特征在于：所述压板(3)为一体成型结构，压板(3)的形状与轴向折边(52)的环向形状相同。The sealing structure of the circumferential joint of the underground integrated pipe gallery according to claim 1, characterized in that the pressing plate (3) is an integrally formed structure, and the shape of the pressing plate (3) and the axial folded edge (52) The hoop shape is the same.
  3. 根据权利要求1所述的地下综合管廊的环向接缝的密封结构，其特征在于：所述压板(3)沿环向分布两个或者两个以上将轴向密封垫片(2)压紧在轴向折边上。The sealing structure of the circumferential joint of the underground integrated pipe gallery according to claim 1, characterized in that the pressure plate (3) is distributed in the circumferential direction by two or more axial sealing gaskets (2) Tight on the axial flange.
  4. 根据权利要求3所述的地下综合管廊的环向接缝的密封结构，其特征在于：所述压板(3)沿环向等间距均匀分布。The sealing structure of the circumferential joint of the underground integrated pipe gallery according to claim 3, characterized in that the pressure plates (3) are evenly distributed at equal intervals in the circumferential direction.
  5. 根据权利要求1所述的地下综合管廊的环向接缝的密封结构，其特征在于：所述压板(3)轴向长度大于轴向密封垫片(2)轴向长度，安装时压板(3)在轴向完全覆盖轴向密封垫片(2)。The sealing structure of the circumferential joint of the underground integrated pipe gallery according to claim 1, characterized in that the axial length of the pressing plate (3) is larger than the axial length of the axial sealing gasket (2), and the pressing plate is installed ( 3) Fully cover the axial gasket (2) in the axial direction.
PCT/CN2018/103032 2018-02-13 2018-08-29 Circumferential seam sealing structure of underground integrated pipe gallery WO2019157808A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820258947.6U CN207905833U (en) 2018-02-13 2018-02-13 The sealing structure of the circumferential seam of underground pipe gallery
CN201820258947.6 2018-02-13

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208219709U (en) * 2018-02-13 2018-12-11 南京联众建设工程技术有限公司 The sealing structure of the longitudinal seam of Underground Steel pipe gallery
CN110629792B (en) * 2019-09-26 2021-06-15 正平路桥建设股份有限公司 Splicing construction method for corrugated steel pipe gallery

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CN204040062U (en) * 2014-07-30 2014-12-24 浙江巨龙管业股份有限公司 Prefabricated wedge shape flexible interface assembling piping lane
CN205296217U (en) * 2015-12-30 2016-06-08 中国市政工程华北设计研究总院有限公司 Piping lane joint sealing device
ES2559129B1 (en) * 2015-08-24 2016-11-16 David BOLDOBA SÁNCHEZ Gasket for tunnels
CN205956552U (en) * 2016-08-30 2017-02-15 中南大学 Waterproof connection structure of push pipe tube coupling
CN107489173A (en) * 2017-09-29 2017-12-19 中国水利水电第七工程局有限公司 A kind of waterproof construction and its installation method of pipe gallery movement joint
KR20180009277A (en) * 2016-07-18 2018-01-26 (주)충남기업 easy leak-proof culvert and constructing method of the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204040062U (en) * 2014-07-30 2014-12-24 浙江巨龙管业股份有限公司 Prefabricated wedge shape flexible interface assembling piping lane
ES2559129B1 (en) * 2015-08-24 2016-11-16 David BOLDOBA SÁNCHEZ Gasket for tunnels
CN205296217U (en) * 2015-12-30 2016-06-08 中国市政工程华北设计研究总院有限公司 Piping lane joint sealing device
KR20180009277A (en) * 2016-07-18 2018-01-26 (주)충남기업 easy leak-proof culvert and constructing method of the same
CN205956552U (en) * 2016-08-30 2017-02-15 中南大学 Waterproof connection structure of push pipe tube coupling
CN107489173A (en) * 2017-09-29 2017-12-19 中国水利水电第七工程局有限公司 A kind of waterproof construction and its installation method of pipe gallery movement joint

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