CN217558335U - Waterproof sealing equipment for bolt hole of shield tunnel segment - Google Patents
Waterproof sealing equipment for bolt hole of shield tunnel segment Download PDFInfo
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- CN217558335U CN217558335U CN202221889414.0U CN202221889414U CN217558335U CN 217558335 U CN217558335 U CN 217558335U CN 202221889414 U CN202221889414 U CN 202221889414U CN 217558335 U CN217558335 U CN 217558335U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a waterproof sealing device for bolt holes of shield tunnel segments, which comprises a first segment and a second segment which are detachably connected, wherein the first segment and the second segment are detachably connected through a bolt mechanism; a sealing plate is arranged between the first segment and the second segment and is positioned on one side of the first segment and the second segment away from the center of the tunnel, and the sealing plate is respectively clamped with the first segment and the second segment; the bolt mechanism comprises a bolt assembly, a sealing element is arranged between the first pipe piece and the second pipe piece, and the bolt assembly penetrates through the sealing element; and plugging components are respectively arranged between the two ends of the bolt component and the first duct piece and between the two ends of the bolt component and the second duct piece. The utility model discloses simple structure, simple to operate set up in multichannel waterproof construction prevents that external water from getting into the tunnel, have reduced the safety problem that leads to in the external moisture infiltration tunnel, long service life, the reliability is high, has strengthened the anti water seepage ability in shield tunnel greatly.
Description
Technical Field
The utility model relates to a shield tunnel waterproof technology field especially relates to a shield tunnel segment bolt hole waterproof sealing equipment.
Background
In recent years, with the continuous development of underground space in China and the continuous improvement of urban rail transit networks, shield construction methods are widely adopted in urban subway tunnels and large underwater tunnel engineering at present due to the advantages of high mechanization degree, high construction speed, small environmental influence and the like. The water leakage of the shield tunnel is one of main diseases affecting the safety and the operation of the shield tunnel, and particularly for an electric power tunnel, a sewage tunnel, a subway tunnel and the like, the water leakage not only brings serious potential safety hazards to daily operation, but also researches of a plurality of scholars show that the long-term water leakage of the shield tunnel also has great influence on the internal force of a segment lining structure.
At present, a shield tunnel segment joint waterproof system mainly comprises a single-channel or double-channel sealing plate waterproof system and a segment caulking waterproof system. The sealing plate waterproof system mainly comprises a sealing groove and a sealing plate, and is mainly used for preventing water through the waterproof sealing plate, but when the sealing plate cannot meet the design water pressure due to opening and dislocation of a segment joint or aging of the sealing plate, the sealing plate waterproof system fails; the segment caulking waterproof system consists of a segment caulking groove and a sealing material, wherein the segment caulking groove is a notch formed in the inner edge of the segment, and the sealing material is filled in the notch, so that the water stopping and draining effects of the segment caulking are realized. When the waterproof system of section of jurisdiction seam closing plate became invalid, the infiltration flowed into the bolt hole along section of jurisdiction seam face and led to the tunnel to take place the infiltration problem. Therefore, the engineering field needs to solve the problem of water seepage of the bolt holes of the shield tunnel segment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shield tunnel segment bolt hole waterproof sealing equipment to solve the problem that above-mentioned prior art exists.
In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides a waterproof sealing device for bolt holes of shield tunnel duct pieces, which comprises a first duct piece and a second duct piece, wherein the first duct piece and the second duct piece are detachably connected through a bolt mechanism;
a sealing plate is arranged between the first segment and the second segment and is positioned on one side of the first segment and the second segment away from the center of the tunnel, and the sealing plate is respectively abutted against the first segment and the second segment;
the bolt mechanism comprises a bolt assembly, a sealing element is arranged between the first pipe piece and the second pipe piece, and the bolt assembly penetrates through the sealing element;
and plugging components are respectively arranged between the two ends of the bolt component and the first segment and between the two ends of the bolt component and the second segment.
Preferably, the first pipe piece and the second pipe piece are respectively provided with a sealing groove matched with the sealing plate, and the two sealing grooves are symmetrically arranged; the sealing plate is clamped with the sealing groove.
Preferably, the sealing plate comprises an inner core, an outer skin is coated outside the inner core, and the outer skin is abutted to the inner cavity of the sealing groove.
Preferably, conical mounting grooves are symmetrically formed in the side walls of the first duct piece and the second duct piece respectively, the sealing element is in threaded connection with the inside of the mounting groove, and the bolt assembly penetrates through the first duct piece and the second duct piece from the center of the mounting groove.
Preferably, the sealing member includes with mounting groove threaded connection's shell, the shell inner chamber rigid coupling has sealed piece, bolt assembly runs through sealed piece.
Preferably, the plugging assembly comprises plugging holes formed in the first duct piece and the second duct piece, and the plugging holes are coaxial with the mounting groove; the blocking hole is detachably connected with a blocking piece, and the bolt assembly penetrates through the blocking piece and is abutted to the blocking piece.
Preferably, a connecting gasket is arranged between the first duct piece and the second duct piece, and two sides of the connecting gasket are respectively abutted against the first duct piece and the second duct piece; the bolt assembly and the sealing plate respectively penetrate through the connecting gasket.
The utility model discloses a following technological effect: the utility model discloses a waterproof sealing device for bolt holes of shield tunnel duct pieces, wherein a first duct piece and a second duct piece are detachably connected through a bolt mechanism, so that the first duct piece and the second duct piece are connected; the sealing plate is arranged between the first segment and the second segment and used as a first waterproof structure between the first segment and the second segment to block the outside from entering a gap between the first segment and the second segment; when the sealing plate fails, water flows down along a gap between the first pipe piece and the second pipe piece, is blocked outside the bolt assembly by the sealing element, and is prevented from permeating into the tunnel along the bolt hole of the bolt assembly to serve as a second waterproof structure; be provided with the shutoff subassembly between bolt assembly's both ends and first section of jurisdiction and the second section of jurisdiction respectively, after water gets into the bolt hole, carry out the shutoff by the shutoff subassembly, prevent in water infiltration tunnel from the gap of bolt assembly and bolt hole, as third waterproof construction. The utility model discloses simple structure, simple to operate set up in multichannel waterproof construction prevents that external water from getting into the tunnel, have reduced the safety problem that leads to in the external moisture infiltration tunnel, long service life, the reliability is high, has strengthened the anti water seepage ability in shield tunnel greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the sealing plate structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1;
FIG. 4 is a partial enlarged view of B in FIG. 1;
fig. 5 is a front view of a first segment of the present invention;
wherein, 1, a first duct piece; 2. a second segment; 3. a sealing plate; 4. a seal member; 5. a sealing groove; 6. an inner core; 7. a skin; 8. mounting grooves; 9. a housing; 10. a sealing block; 11. plugging the hole; 12. a blocking piece; 13. connecting a gasket; 14. a nut; 15. a screw; 16. a nut; 17. and (7) flattening the cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-5, the utility model provides a waterproof sealing device for bolt holes of shield tunnel segments, which comprises a first segment 1 and a second segment 2, wherein the first segment 1 and the second segment 2 are detachably connected through a bolt mechanism;
a sealing plate 3 is further arranged between the first segment 1 and the second segment 2, the sealing plate 3 is positioned on one side of the first segment 1 and the second segment 2 away from the center of the tunnel, and the sealing plate 3 is respectively abutted against the first segment 1 and the second segment 2;
the bolt mechanism comprises a bolt assembly, a sealing element 4 is arranged between the first pipe piece 1 and the second pipe piece 2, and the bolt assembly penetrates through the sealing element 4;
and plugging components are respectively arranged between the two ends of the bolt component and the first duct piece 1 and the second duct piece 2.
The utility model discloses a waterproof sealing device for bolt holes of shield tunnel segments, wherein a first segment 1 and a second segment 2 are detachably connected through a bolt mechanism, so that the first segment 1 is connected with the second segment 2; the sealing plate 3 is arranged between the first pipe piece 1 and the second pipe piece 2 and is used as a first waterproof structure between the first pipe piece 1 and the second pipe piece 2 to prevent outside water from entering a gap between the first pipe piece 1 and the second pipe piece 2; when the sealing plate 3 fails, water flows down along a gap between the first pipe piece 1 and the second pipe piece 2 and is blocked outside the bolt assembly by the sealing element 4, so that the water is prevented from permeating into the tunnel along the bolt hole of the road bolt assembly and is used as a second waterproof structure; be provided with the shutoff subassembly between bolt assembly's both ends and first section of jurisdiction 1 and second section of jurisdiction 2 respectively, after water gets into the bolt hole, carry out the shutoff by the shutoff subassembly, prevent in the gap infiltration tunnel of bolt assembly and bolt hole that water is followed, as the third waterproof construction.
In a further optimized scheme, the first pipe piece 1 and the second pipe piece 2 are respectively provided with a sealing groove 5 matched with the sealing plate 3, and the two sealing grooves 5 are symmetrically arranged; the sealing plate 3 is clamped with the sealing groove 5; the sealing plate 3 comprises an inner core 6, an outer skin 7 is coated outside the inner core 6, and the outer skin 7 is abutted to the inner cavity of the sealing groove 5. The two ends of the sealing plate 3 are clamped into the sealing grooves 5, so that the sealing plate 3 is prevented from being staggered with the first segment 1 and the second segment 2, and the sealing property is improved; the sealing plate 3 comprises an inner core 6, a sheath 7 is arranged outside the inner core 6, the inner core 6 is made of high-strength materials and used for positioning the first duct piece 1 and the second duct piece 2, and the stability between the first duct piece 1 and the second duct piece 2 is improved; the crust 7 is by anticorrosive with the good flexible material preparation of ageing resistance, and first section of jurisdiction 1 and second section of jurisdiction 2 extrusion crust 7 after the installation warp, fills up the gap, has improved the anti-seepage ability.
According to the further optimized scheme, tapered mounting grooves 8 are symmetrically formed in the side walls of the first duct piece 1 and the second duct piece 2 respectively, the sealing element 4 is connected in the mounting grooves 8 in a threaded mode, and the bolt assembly penetrates through the first duct piece 1 and the second duct piece 2 from the center position of the mounting grooves 8; the sealing element 4 comprises a shell 9 in threaded connection with the mounting groove 8, a sealing block 10 is fixedly connected to the inner cavity of the shell 9, and the bolt assembly penetrates through the sealing block 10. The sealing block 10 is fixedly arranged in the mounting groove 8 by the shell 9 in a threaded connection mode, the sealing block 10 is deformed by the extrusion of the first pipe piece 1 and the second pipe piece 2, and a gap between the sealing block and the bolt assembly is blocked; when the sealing plate 3 fails to work and water permeates into a crack between the first pipe piece 1 and the second pipe piece 2, the deformed sealing block 10 prevents water from entering the bolt hole, and the water seepage resistance is improved.
Furthermore, the sealing block 10 can be made of ethylene propylene diene monomer, has the advantages of low density, high filling property, aging resistance, corrosion resistance and the like, and is long in service life and good in sealing property; ethylene propylene diene monomer is a prior art and is not described herein.
According to the further optimized scheme, the plugging assembly comprises plugging holes 11 formed in the first duct piece 1 and the second duct piece 2, and the plugging holes 11 are coaxial with the mounting groove 8; the plugging hole 11 is detachably connected with a plugging piece 12, and the bolt assembly penetrates through the plugging piece 12 and is abutted against the plugging piece 12. When the bolt component is screwed down, the plugging pieces 12 on two sides are extruded, so that the plugging pieces 12 deform in the plugging holes 11, gaps are plugged, and the water seepage resistance is improved.
Further, the material of the blocking member 12 is the same as that of the sealing block 10, and is not described herein again.
Further, the bolt assembly comprises a nut 14, one end of the nut 14 is fixedly connected with a screw 15, the screw 15 penetrates through the first duct piece 1 and the second duct piece 2 and then is in threaded connection with a nut 16, and a flat pad 17 is arranged between the nut 16 and the first duct piece 1; when the plugging device is used, the nut 14 and the flat gasket 17 are respectively abutted against the plugging piece 12, and when the nut 16 is screwed down, the flat gasket 17 and the nut 14 respectively extrude the plugging piece 12 towards the center, so that the plugging piece 12 is deformed, the plugging hole 11 is plugged, and water seepage is prevented.
According to the further optimization scheme, a connecting gasket 13 is arranged between the first segment 1 and the second segment 2, and two sides of the connecting gasket 13 are respectively abutted against the first segment 1 and the second segment 2; the bolt assembly and the sealing plate 3 are respectively penetrated through the connecting gasket 13. The function of the connecting gasket 13 is the same as that of the existing rubber gasket, and the sealing performance between the two components is improved, which is not described in detail here.
The using method comprises the following steps:
when the mounting method is used, firstly, the proper size of the sealing plate 3 and the sealing element 4 is selected according to the sizes of the first duct piece 1 and the second duct piece 2, and a mounting groove 8 is formed in the selected position; bolt holes are respectively arranged at the bottom of the mounting groove 8; and finally, plugging holes 11 are respectively formed in two sides of the bolt hole.
The two sealing elements 4 are respectively arranged in the two mounting grooves 8, and then the two plugging pieces 12 are respectively inserted into the two plugging holes 11; finally, a connecting gasket 13 is arranged between the first pipe piece 1 and the second pipe piece 2; the first pipe piece 1 and the second pipe piece 2 are close to each other, and two ends of the sealing plate 3 are respectively inserted into the sealing grooves 5 on two sides; and penetrating a bolt assembly into the bolt hole, enabling the screw rod 15 to penetrate through the two plugging pieces 12 and the two sealing pieces 4, and finally screwing the nut 16 to complete the installation of the first duct piece 1 and the second duct piece 2.
The sealing plate 3 and the sealing element 4 are extruded and deformed by the first segment 1 and the second segment 2 respectively to block gaps, so that the water seepage resistance is improved; the bolt assembly extrudes and deforms the plugging piece 12, and the water seepage resistance of the bolt hole is improved.
The utility model discloses simple structure, simple to operate set up in multichannel waterproof construction prevents that external water from getting into the tunnel, have reduced the safety problem that leads to in the external moisture infiltration tunnel, long service life, the reliability is high, has strengthened the anti water seepage ability in shield tunnel greatly.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a shield tunnel segment bolt hole waterproof sealing equipment which characterized in that: the duct piece comprises a first duct piece (1) and a second duct piece (2), wherein the first duct piece (1) is detachably connected with the second duct piece (2) through a bolt mechanism;
a sealing plate (3) is further arranged between the first pipe piece (1) and the second pipe piece (2), the sealing plate (3) is positioned on one side, away from the center of the tunnel, of the first pipe piece (1) and the second pipe piece (2), and the sealing plate (3) is abutted against the first pipe piece (1) and the second pipe piece (2) respectively;
the bolt mechanism comprises a bolt assembly, a sealing element (4) is arranged between the first pipe piece (1) and the second pipe piece (2), and the bolt assembly penetrates through the sealing element (4);
and plugging components are respectively arranged between the two ends of the bolt component and the first duct piece (1) and the second duct piece (2).
2. The shield tunnel segment bolt hole waterproof sealing device of claim 1, characterized in that: the first pipe piece (1) and the second pipe piece (2) are respectively provided with a sealing groove (5) matched with the sealing plate (3), and the two sealing grooves (5) are symmetrically arranged; the sealing plate (3) is clamped with the sealing groove (5).
3. The shield tunnel segment bolt hole waterproof sealing device of claim 2, wherein: the sealing plate (3) comprises an inner core (6), an outer skin (7) is coated on the inner core (6), and the outer skin (7) is abutted to the inner cavity of the sealing groove (5).
4. The shield tunnel segment bolt hole waterproof sealing device of claim 1, which is characterized in that: first section of jurisdiction (1) with conical mounting groove (8) have been seted up to second section of jurisdiction (2) lateral wall symmetry respectively, sealing member (4) threaded connection be in mounting groove (8), bolt assembly by the central point of mounting groove (8) puts and runs through first section of jurisdiction (1) with second section of jurisdiction (2).
5. The shield tunnel segment bolt hole waterproof sealing device of claim 4, wherein: sealing member (4) including with mounting groove (8) threaded connection's shell (9), shell (9) inner chamber rigid coupling has sealed piece (10), the bolt assembly runs through sealed piece (10).
6. The shield tunnel segment bolt hole waterproof sealing device of claim 5, characterized in that: the plugging assembly comprises plugging holes (11) formed in the first duct piece (1) and the second duct piece (2), and the plugging holes (11) are coaxial with the mounting groove (8); blocking hole (11) can be dismantled and be connected with blocking piece (12), bolt assembly runs through blocking piece (12) and with blocking piece (12) butt.
7. The shield tunnel segment bolt hole waterproof sealing device of claim 6, wherein: a connecting gasket (13) is arranged between the first pipe piece (1) and the second pipe piece (2), and two sides of the connecting gasket (13) are respectively abutted against the first pipe piece (1) and the second pipe piece (2); the bolt assembly and the sealing plate (3) respectively penetrate through the connecting gasket (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221889414.0U CN217558335U (en) | 2022-07-22 | 2022-07-22 | Waterproof sealing equipment for bolt hole of shield tunnel segment |
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CN202221889414.0U CN217558335U (en) | 2022-07-22 | 2022-07-22 | Waterproof sealing equipment for bolt hole of shield tunnel segment |
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CN217558335U true CN217558335U (en) | 2022-10-11 |
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CN202221889414.0U Active CN217558335U (en) | 2022-07-22 | 2022-07-22 | Waterproof sealing equipment for bolt hole of shield tunnel segment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115898455A (en) * | 2022-11-17 | 2023-04-04 | 深圳大学 | Variable cross-section connecting node segment of shield tunnel and assembling method thereof |
CN117868912A (en) * | 2024-03-13 | 2024-04-12 | 河南隧通机械有限公司 | Shield tunnel segment water stop ring device |
-
2022
- 2022-07-22 CN CN202221889414.0U patent/CN217558335U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115898455A (en) * | 2022-11-17 | 2023-04-04 | 深圳大学 | Variable cross-section connecting node segment of shield tunnel and assembling method thereof |
CN115898455B (en) * | 2022-11-17 | 2024-05-28 | 深圳大学 | Variable-section connecting node segment of shield tunnel and assembly method thereof |
CN117868912A (en) * | 2024-03-13 | 2024-04-12 | 河南隧通机械有限公司 | Shield tunnel segment water stop ring device |
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