Hole opening waterproof structure of tunnel hole body and pipe roofing system

Abstract

The utility model provides a tunnel opening waterproof structure and a pipe roofing system, the tunnel opening waterproof structure comprises a wave-shaped ring frame, a wave-shaped air bag and a sealing assembly, the wave-shaped ring frame is installed on the inner wall of the tunnel body, and the end portion of the wave-shaped ring frame is arranged corresponding to each opening; annular water stop grooves are formed in the positions, close to the holes, of the corrugated ring frame, the corrugated ring frame is in sliding contact fit with the outer pipe body, and a sliding gap is formed between the corrugated ring frame and the outer pipe body. The wave-shaped air bag is arranged in the water stopping groove and communicated with an external air source through an air inlet pipe. The multiple sealing assemblies are arranged at the opening ends of the waveform ring frame correspondingly and seal the sliding gaps. Liquid is sealed and blocked twice through the wave-shaped air bag in the water stopping groove and the sealing assembly at the opening end of the wave-shaped ring frame, the liquid is prevented from entering a tunnel hole body, water cannot be accumulated in the hole body, safety accidents cannot occur, and safety and construction efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a tunnel opening waterproof structure and a pipe curtain system. Background Art

[0002] With the acceleration of urban construction, the construction of underground tunnels has been developing day by day to ease traffic pressure. In cities with rivers or coastal cities, vehicles need to cross the water on bridges, but the passenger capacity of bridges is limited and congestion is prone to occur, so underground tunnels need to be built.

[0003] During the tunnel construction process, pipe sections need to be repeatedly inserted into the tunnel body and holes are drilled. There are no anti-leakage measures at the tunnel entrance. During the drilling project, liquid is likely to enter the tunnel along with the pipe sections, causing water accumulation inside the tunnel, causing safety accidents and delaying the construction period. Utility Model Content

[0004] The main purpose of the utility model is to provide a tunnel opening waterproof structure and a pipe curtain system, aiming to solve the problem that the existing tunnel opening has no anti-leakage measures and liquid easily penetrates into the tunnel.

[0005] In order to achieve the above-mentioned object, the utility model provides a tunnel opening waterproof structure, the tunnel opening waterproof structure comprising:

[0006] A corrugated ring frame, wherein the corrugated ring frame is installed on the inner wall of the tunnel body, and the ends of the corrugated ring frame are respectively arranged corresponding to the respective openings of the tunnel body, and the ends of the corrugated ring frame are all open ends; the corrugated ring frame comprises a central ring frame and a plurality of sub-frames respectively installed on the outside of the central ring frame, and the central ring frame is respectively connected to the plurality of sub-frames; an annular water stop groove is provided at a position near each of the openings on the corrugated ring frame, and the corrugated ring frame is in sliding contact with the external tube body, and a sliding gap is formed between the corrugated ring frame and the external tube body;

[0007] Corrugated airbags, the number of which is consistent with the number of the water-stopping grooves and are arranged in the water-stopping grooves in a one-to-one correspondence, and the corrugated airbags are connected to an external air source through an air inlet pipe;

[0008] The sealing components are consistent in number with the number of the ends of the corrugated ring frame, and are arranged at the opening ends of the corrugated ring frame in a one-to-one correspondence to seal the sliding gap.

[0009] Preferably, a water-stop component is provided on the corrugated ring frame near each of the openings, and each of the water-stop components includes a plurality of water-stop grooves; in each of the water-stop components, a plurality of water-stop grooves are spaced apart along the extension direction of the tunnel body.

[0010] Preferably, there are two water stop grooves, and the two water stop grooves are respectively a first water stop groove and a second water stop groove, wherein the second water stop groove is located between the first water stop groove and the opening on the same side thereof, and an installation frame is provided on the groove wall of the first water stop groove, and the installation frame extends toward one end of the opening end on the same side thereof to the outside of the opening end and forms an installation portion, and the sealing assembly is installed on the installation portion.

[0011] Preferably, the air inlet pipe communicating with the corrugated airbag in the first water-stopping groove and the air inlet pipe communicating with the corrugated airbag in the second water-stopping groove are connected to the same external air source.

[0012] Preferably, the head end and the tail end of each of the corrugated airbags are connected to form an annular closed structure, and the corrugated airbags are sleeved on the outside of the external tube body.

[0013] Preferably, a ventilation pipe is pre-buried in each of the water stop grooves, the head end of the corrugated airbag is connected to one end of the corresponding ventilation pipe, and the tail end of the corrugated airbag is connected to the other end of the corresponding ventilation pipe.

[0014] Preferably, the air inlet pipe is pre-buried in the inner wall of the cave body, one end of the air inlet pipe is connected to the ventilation pipe, and the other end extends out of the cave body and is used to be connected to the external air source.

[0015] Preferably, an elastic cover plate is installed at the notch of each water-stopping groove, and the elastic cover plate and the water-stopping groove are combined to form a containing chamber, and the corrugated airbag is accommodated in the containing chamber.

[0016] Preferably, the elastic cover plate completely covers the corresponding notch of the water stop groove, and the two sides of each elastic cover plate are respectively a fixed side and a free side, the fixed side is fixed on the inner wall of the corrugated ring frame and is located on the side close to the hole on the same side, and the free side extends in the direction away from the fixed side and overlaps the inner wall of the corrugated ring frame.

[0017] Preferably, the sealing assembly includes a plurality of sealing structures, and the plurality of sealing structures are connected in sequence along the circumference of the corrugated ring frame to form the sealing assembly; each of the sealing structures includes a cord rubber plate and a flap plate, and the cord rubber plate and the flap plate are both installed at the corresponding hole, and the cord rubber plate is located between the flap plate and the corresponding hole.

[0018] The utility model also provides a pipe curtain system, which uses the above-mentioned tunnel hole waterproof structure. In the technical solution of the utility model, the corrugated ring frame and the external tube body are in sliding contact, and there is a sliding gap between the two, and liquid easily enters the tunnel from the sliding gap. Therefore, a sealing component is arranged at the two opening ends of the corrugated ring frame. When the external tube body enters the corrugated ring frame, the sealing component abuts against the outer wall of the external tube body to perform primary protection to prevent liquid from entering the sliding gap. At the same time, when the external tube body slides, the corrugated airbag in the water stop groove is inflated by the external source. The corrugated airbag expands in the annular water stop groove and abuts against the external tube body, and is wrapped around the outer wall of the external tube body, further blocking the liquid outside the tunnel. The water stop groove is opened at the position of the corrugated ring frame near the hole to prevent liquid from penetrating into the tunnel. The utility model seals and blocks the liquid twice through the corrugated airbag in the water stop groove and the sealing component at the open end of the corrugated ring frame to prevent liquid from entering the tunnel hole, so that water will not accumulate inside the hole and safety accidents will not occur, thereby improving safety and construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 It is a partial cross-sectional structural diagram of a tunnel entrance waterproof structure according to an embodiment of the utility model;

[0021] Figure 2 This is a partial structural diagram of a tunnel entrance waterproof structure according to an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of a waterproof structure corrugated ring frame of a tunnel body in one embodiment of the utility model.

[0023] Description of Figure Numbers:

[0024]

[0025]

[0026] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in this embodiment to clearly and completely describe the technical solution in this embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications in this embodiment (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0032] In the present invention, the descriptions of directions such as "up", "down", "front", "back", "left", and "right" are as follows: Figure 1 The directions shown are for reference only and are used to explain the Figure 1 The relative position relationship between the components in the shown posture. If the specific posture changes, the directional indication will also change accordingly.

[0033] The utility model provides a tunnel opening waterproof structure 1 and a pipe curtain system.

[0034] Please combine Figure 1 , Figure 2 and Figure 3 The tunnel opening waterproof structure 1 of the present embodiment comprises a corrugated ring frame 20, a corrugated airbag 30 and a sealing assembly 31. The corrugated ring frame 20 is mounted on the inner wall of the tunnel body 10. The ends of the corrugated ring frame 20 are respectively arranged corresponding to the openings 11 of the tunnel body, and the ends of the corrugated ring frame 20 are all open ends 21. The corrugated ring frame 20 comprises a central ring frame 22 and a plurality of sub-frames 23 respectively mounted on the outer sides of the central ring frame 22. The central ring frame 22 is respectively connected to the plurality of sub-frames 23. ; Annular water-stop grooves 24 are provided on the corrugated ring frame 20 near each opening 11, and the corrugated ring frame 20 is in sliding contact with the external tube body and forms a sliding gap 25 with the external tube body; the number of corrugated airbags 30 is consistent with the number of water-stop grooves 24 and are arranged in the water-stop grooves 24 one by one, and the corrugated airbags 30 are connected to the external air source through an air inlet pipe 32; the number of sealing components 31 is two, and they are respectively arranged at the two opening ends 21 of the corrugated ring frame 20, and the sliding gap 25 is sealed.

[0035] It can be understood that there are multiple openings in the tunnel body, and the ends of the corrugated ring frame are arranged corresponding to each opening. In a specific embodiment, the tunnel body is linear, and there are two openings, one at each end of the tunnel body, and the two ends of the corrugated ring frame are arranged corresponding to the two openings respectively. There are two sub-frames, and the two sub-frames are respectively arranged on opposite sides of the central ring frame.

[0036] In the technical solution of the utility model, the corrugated ring frame 20 is in sliding contact with the external tube body, and there is a sliding gap 25 between the two. Liquid can easily enter the tunnel from the sliding gap 25. Therefore, a sealing component 31 is set at the two open ends 21 of the corrugated ring frame 20. When the external tube body enters the corrugated ring frame 20, the sealing component 31 abuts against the outer wall of the external tube body to perform initial protection to prevent liquid from entering the sliding gap 25. At the same time, when the external tube body slides, the corrugated airbag 30 in the water stop groove 24 is inflated through the external source. The corrugated airbag 30 expands in the annular water stop groove 24, abuts against the external tube body, and is wrapped around the outer wall of the external tube body, further blocking the liquid outside the tunnel. The water stop groove 24 is opened at a position of the corrugated ring frame 20 close to the hole 11 to prevent liquid from seeping into the tunnel. The utility model seals and blocks the liquid twice through the corrugated airbag 30 in the water stop groove 24 and the sealing component 31 at the open end 21 of the corrugated ring frame 20, preventing the liquid from entering the tunnel body 10, so that water will not accumulate inside the tunnel body 10 and safety accidents will not occur, thereby improving safety and construction efficiency.

[0037] In one embodiment, a water-stop assembly is provided near each opening 11 on the corrugated ring frame 20, and each water-stop assembly includes a plurality of water-stop grooves 24; in each water-stop assembly, the plurality of water-stop grooves 24 are arranged at intervals along the extension direction of the tunnel body 10. By arranging the plurality of water-stop grooves 24 at intervals, the waterproof performance of the tunnel body 10 is improved.

[0038] Furthermore, there are two water stop grooves 24, and the two water stop grooves 24 are respectively a first water stop groove 241 and a second water stop groove 242, wherein the second water stop groove 242 is located between the first water stop groove 241 and the hole on the same side thereof, and an installation frame 243 is provided on the groove wall of the first water stop groove 241, and the installation frame 243 extends toward one end of the opening end 21 on the same side thereof to the outside of the opening end 21 and forms an installation portion, and the sealing assembly 31 is installed on the installation portion. Two water-stop grooves 24 are provided at both ends of the corrugated ring frame 20. The first water-stop groove 241 is provided close to the hole 11, and the second water-stop groove 242 is located at the end of the first water-stop groove 241 away from the hole 11. There are corrugated air bags 30 in the two water-stop grooves 24, that is, there are four corrugated air bags 30 at both ends of the cave body 10, which further prevents liquid from entering the tunnel from the sliding gap 25 and improves the waterproof performance. The first water-stop groove 241 is provided close to the hole 11, so an installation frame 243 is provided on the groove wall of the first water-stop groove 241, and a part of the opening end 21 is extended through the installation frame 243 to fix the sealing component 31, so that the sealing component 31 is fixed more stably to prevent the sealing component 31 from falling off, thereby further improving the waterproof performance.

[0039] In one embodiment, the air inlet pipe 32 of the corrugated airbag 30 in the first water stop groove 241 and the air inlet pipe 32 of the corrugated airbag 30 in the second water stop groove 242 are connected to the same external air source. The air inlet pipe 32 of the corrugated airbag 30 in the first water stop groove 241 and the air inlet pipe 32 of the corrugated airbag 30 in the second water stop groove 242 are connected to the same external air source. When the external air source is activated, the two corrugated airbags 30 can be expanded at the same time to seal the external tube body, which improves the reaction speed, prevents the liquid from entering the tunnel in time due to the expansion of the corrugated airbag 30, and further improves the sealing performance.

[0040] In one embodiment, the head and tail ends of each corrugated airbag 30 are connected to form an annular closed structure, and the corrugated airbag 30 is sleeved on the outside of the external tube body. The head and tail ends of the corrugated airbag 30 are connected and filled in the annular water stop groove 24, so that the corrugated airbag 30 fills the water stop groove 24. After expansion, the outer circumference of the external tube body can be completely sealed to prevent liquid from entering the tunnel due to the lack of sealing at some positions, thereby improving the sealing of the tunnel.

[0041] In one embodiment, a vent pipe is pre-buried in each water stop groove 24, the head end of the corrugated airbag 30 is connected to one end of the corresponding vent pipe, and the tail end of the corrugated airbag 30 is connected to the other end of the corresponding vent pipe. The vent pipe is connected to the tail of the corrugated airbag 30, and the corrugated airbag 30 can be inflated through two air inlets at the same time during ventilation, which improves the air intake efficiency of the corrugated airbag 30, so that the corrugated airbag 30 can seal the external tube body in time, improving the sealing performance. At the same time, the vent pipe is pre-buried in the water stop groove 24, eliminating the workflow of installing the vent pipe at a later stage, and improving the construction efficiency.

[0042] Furthermore, the air intake pipe 32 is pre-buried in the inner wall of the cave 10, one end of the air intake pipe 32 is connected to the vent pipe, and the other end extends outside the cave 10 and is used to communicate with an external air source. The air intake pipe 32 is pre-buried in the water stop groove 24, eliminating the work flow of installing the vent pipe later, thereby improving construction efficiency.

[0043] In one embodiment, an elastic cover plate 33 is installed at the notch of each water stop groove 24, and the elastic cover plate 33 and the water stop groove 24 are enclosed to form a storage bin, and the corrugated airbag 30 is stored in the storage bin. The elastic cover plate 33 is installed at the notch of the water stop groove 24, and the elastic cover plate 33 can be ejected when the corrugated airbag 30 is inflated, which does not affect the expansion of the corrugated airbag 30. When the corrugated airbag 30 is not in use, it is stored in the storage bin, and the elastic cover plate 33 protects the corrugated airbag 30 from damage, thereby extending its service life.

[0044] In one embodiment, the elastic cover plate 33 completely covers the notch of the corresponding water stop groove 24. The two sides of each elastic cover plate 33 are a fixed side and a free side, respectively. The fixed side is fixed to the inner wall of the corrugated ring frame 20 and is located on the side close to the hole 11 on the same side, and the free side extends away from the fixed side and overlaps the inner wall of the corrugated ring frame 20. The elastic cover plate 33 completely covers the notch of the corresponding water stop groove 24, completely preventing foreign matter from entering the storage bin to damage the corrugated airbag 30, and extending its service life. One end of the elastic cover plate 33 is fixed to the free end of the other end, so that the corrugated airbag 30 can be easily opened by the corrugated airbag 30 to prevent the corrugated airbag 30 from failing to work.

[0045] In one embodiment, the sealing assembly 31 includes a plurality of sealing structures, which are sequentially connected along the circumference of the corrugated ring frame 20 to form the sealing assembly 31; each sealing structure includes a curtain rubber plate 40 and a flap plate 41, which are both installed at the corresponding opening 11, and the curtain rubber plate 40 is located between the flap plate 41 and the corresponding opening 11. The plurality of sealing structures are sequentially connected along the circumference of the opening end 21 of the corrugated ring frame 20, thereby improving its sealing performance to the external pipe body. The sealing structure is composed of the flap plate 41 and the rubber plate. When the external pipe body enters the corrugated ring frame 20, the interlocking steel pipe drives the flap plate 41 and the curtain rubber plate 40 to bend in the direction of the interlocking steel pipe, and the flap plate 41 and the curtain rubber plate 40 are respectively in close contact with the interlocking steel pipe, so that the sliding gap 25 between the interlocking steel pipe and the corrugated ring frame 20 is closed, so that the pipe curtain has better anti-seepage ability.

[0046] The utility model also provides a pipe curtain system, which is applied with the above-mentioned tunnel body entrance waterproof structure. The specific structure of the tunnel body entrance waterproof structure refers to the above-mentioned embodiment. Since the pipe curtain system adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0047] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tunnel entrance waterproof structure, characterized in that: The tunnel opening waterproof structure comprises: A corrugated ring frame, wherein the corrugated ring frame is installed on the inner wall of the tunnel body, and the ends of the corrugated ring frame are respectively arranged corresponding to the respective openings of the tunnel body, and the ends of the corrugated ring frame are all open ends; the corrugated ring frame comprises a central ring frame and a plurality of sub-frames respectively installed on the outside of the central ring frame, and the central ring frame is respectively connected to the plurality of sub-frames; an annular water stop groove is provided at a position near each of the openings on the corrugated ring frame, and the corrugated ring frame is in sliding contact with the external tube body, and a sliding gap is formed between the corrugated ring frame and the external tube body; Corrugated airbags, the number of which is consistent with the number of the water-stopping grooves and are arranged in the water-stopping grooves in a one-to-one correspondence, and the corrugated airbags are connected to an external air source through an air inlet pipe; The sealing components are consistent in number with the number of the ends of the corrugated ring frame, and are arranged at the opening ends of the corrugated ring frame in a one-to-one correspondence to seal the sliding gap.

2. The tunnel opening waterproof structure according to claim 1, characterized in that: A water-stop component is provided on the corrugated ring frame near each of the openings, and each of the water-stop components includes a plurality of water-stop grooves; in each of the water-stop components, a plurality of water-stop grooves are arranged at intervals along the extension direction of the tunnel body.

3. The tunnel opening waterproof structure according to claim 2, characterized in that: There are two water stop grooves, and the two water stop grooves are respectively a first water stop groove and a second water stop groove, wherein the second water stop groove is located between the first water stop groove and the opening on the same side thereof, and an installation frame is provided on the groove wall of the first water stop groove, and the installation frame extends toward one end of the opening end on the same side thereof to the outside of the opening end and forms an installation portion, and the sealing assembly is installed on the installation portion.

4. The tunnel opening waterproof structure according to claim 3, characterized in that: The air inlet pipe communicating with the corrugated airbag in the first water-stopping groove and the air inlet pipe communicating with the corrugated airbag in the second water-stopping groove are connected to the same external air source.

5. The tunnel opening waterproof structure according to claim 1, characterized in that: The head end and the tail end of each of the corrugated airbags are connected to form an annular closed structure, and the corrugated airbags are sleeved on the outside of the external tube body.

6. The tunnel opening waterproof structure according to claim 5, characterized in that: A ventilation pipe is pre-buried in each of the water stop grooves, the head end of the corrugated airbag is connected to one end of the corresponding ventilation pipe, and the tail end of the corrugated airbag is connected to the other end of the corresponding ventilation pipe.

7. The tunnel opening waterproof structure according to claim 6, characterized in that: The air inlet pipe is pre-buried in the inner wall of the cave body, one end of the air inlet pipe is communicated with the ventilation pipe, and the other end extends out of the cave body and is used to be connected with the external air source.

8. The tunnel entrance waterproof structure according to any one of claims 1 to 7, characterized in that: An elastic cover plate is installed at the notch of each water stop groove, and the elastic cover plate and the water stop groove are combined to form a containing chamber, and the corrugated airbag is contained in the containing chamber.

9. The tunnel opening waterproof structure according to claim 8, characterized in that: The elastic cover plate completely covers the corresponding notch of the water stop groove, and the two sides of each elastic cover plate are respectively a fixed side and a free side. The fixed side is fixed on the inner wall of the corrugated ring frame and is located on the side close to the hole on the same side as it, and the free side extends in the direction away from the fixed side and overlaps the inner wall of the corrugated ring frame.

10. The tunnel entrance waterproof structure according to any one of claims 1 to 7, characterized in that: The sealing assembly includes a plurality of sealing structures, which are connected in sequence along the circumference of the corrugated ring frame to form the sealing assembly; each of the sealing structures includes a cord rubber plate and a flap plate, the cord rubber plate and the flap plate are both installed at the corresponding opening, and the cord rubber plate is located between the flap plate and the corresponding opening.

11. A pipe curtain system, characterized in that: The pipe curtain system is applied with the tunnel opening waterproof structure according to any one of claims 1 to 10.

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