Pipeline connecting device and pipeline splicing structure

Abstract

The utility model provides a pipeline connecting device and a pipeline splicing structure, the pipeline connecting device is used for connecting two adjacent pipelines, the faces, close to each other, of the two adjacent pipelines are a first face and a second face respectively, the pipeline connecting device comprises a first fixing piece, a second fixing piece and a third fixing piece, the first fixing piece is connected with the first face and the second face; the first connecting assembly is connected with the first fixing piece and a pipeline where the second face is located; the second connecting assembly is connected with the first fixing piece and a pipeline where the second face is located, and the second connecting assembly and the first connecting assembly are arranged in a stacked and staggered mode; the multiple reinforcing pieces are arranged on the sides close to the first connecting assembly and the second connecting assembly, and the multiple reinforcing pieces are wrapped by the first connecting assembly and the second connecting assembly; wherein a pouring material covers the outer part of the pipeline connecting device. According to the utility model, the connection between the pipelines is more convenient and quicker.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnels, in particular to a pipeline connecting device and a pipeline splicing structure. Background Art

[0002] With the development of science and technology, technical applications in different fields are emerging one after another. As travel becomes more and more convenient, underground transportation facilities are becoming more and more popular. Among underground transportation facilities, the technology of opening and connecting underground passages is very important. At present, tunnels are laid and connected through pipe segments, but the connection structure between tunnels and connecting passages is complex and inconvenient to construct, which easily affects the progress of overall tunnel laying and completion. Utility Model Content

[0003] Therefore, the embodiments of the present invention provide a pipeline connection device and a pipeline splicing structure, which make the connection between pipelines more convenient and quick.

[0004] In order to solve the above problems, the utility model provides a pipe connecting device, which is used to connect two adjacent pipes, and the sides of the two adjacent pipes close to each other are respectively a first side and a second side, and the pipe connecting device includes: a first fixing member, the first fixing member connects the first side and the second side; a first connecting component, the first connecting component connects the pipe where the first fixing member and the second side are located; a second connecting component, the second connecting component connects the pipe where the first fixing member and the second side are located, and the second connecting component and the first connecting component are overlapped and staggered; a plurality of reinforcing members, the plurality of reinforcing members are arranged on one side close to the first connecting member and the second connecting member; wherein the outside of the pipe connecting device is covered with casting material.

[0005] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting a first fixing member to connect the first surface and the second surface, two adjacent pipes are preliminarily connected, which can facilitate subsequent connection and fixation, and at the same time, a first connecting component and a second connecting component are set to connect the first fixing member and the pipe, and then the two adjacent pipes are connected with the help of the first fixing member and the two connecting components, so that the connection between the two adjacent pipes is more stable and firm, and at the same time, by setting two connecting components to overlap and stagger, the tension and strength provided by the two connecting components are greater, which can better ensure the connection between the two adjacent pipes, and at the same time, the connection method is simpler, which is convenient for improving construction efficiency. At the same time, multiple reinforcement members are also set. Through the setting of multiple reinforcement members, the strength of the overall pipe connection device is higher, which can better ensure the stability of the current connection between the two adjacent pipes, and thus ensure the progress of subsequent construction work.

[0006] In an example of the present invention, one end of the first fixing member is connected to the first surface, and a portion of the first fixing member is disposed in close contact with the second surface.

[0007] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting one end of the first fixing member to be connected to the first surface and partially fitting with the second surface, the connection between the first fixing member and the first surface and the second surface is made tighter, thereby ensuring the connection stability and firmness between the two adjacent pipes, and at the same time preventing external water from entering the interior, which can play a better protective role.

[0008] In one example of the utility model, the pipe where the second surface is located is provided with a third surface, and the first connecting component also includes: a first wrapping member, the first wrapping member is connected to the first surface, and the first wrapping member is sleeved on the outside of multiple reinforcement members; multiple transverse members, and the multiple transverse members are arranged to connect the first wrapping member.

[0009] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by arranging the first wrapping member to wrap around the outside of multiple reinforcement members, the multiple reinforcement members can be protected and fixed by the first wrapping member, thereby making the fixing and reinforcement effects of the multiple reinforcement members better; at the same time, the designer connects the first wrapping member with multiple transverse members, thereby making the first wrapping member more stable and firm, and can better wrap and fix the multiple reinforcement members, thereby making the first connecting assembly able to connect two adjacent pipes, making the connection between the two adjacent pipes tighter and more stable.

[0010] In one example of the present invention, the first wrapping member is provided with a first vertical edge and a second vertical edge arranged opposite to each other; at least one of the plurality of transverse members connects the first vertical edge and the second vertical edge; and at least one of the plurality of transverse members connects the first vertical edge and the second surface.

[0011] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by providing a transverse member between two vertical edges, the first wrapping member can be better fixed by the transverse member, thereby making the wrapping effect of the wrapping member on the reinforcement member stronger, thereby ensuring the overall firmness, making the connection between the pipes tighter and firmer, and not easy to fall off, thereby affecting subsequent projects.

[0012] In one example of the present invention, the second connecting component also includes: a second wrapping piece, the second wrapping piece partially overlaps with the first wrapping piece; a third wrapping piece, the third wrapping piece partially overlaps with the second wrapping piece, and the second wrapping piece and the third wrapping piece are both mounted on the outside of the multiple reinforcement pieces.

[0013] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by arranging the second wrapping piece and the first wrapping piece to partially overlap, the first wrapping piece can jointly fix multiple reinforcements with the second wrapping piece, thereby making the stability and fixing effect of the multiple reinforcements stronger; at the same time, the third wrapping piece is also arranged to partially overlap the second wrapping piece, thereby ensuring the relative stability between the second wrapping piece and the third wrapping piece, and at the same time, the reinforcements can be better wrapped and fixed, thereby ensuring the firmness of the connection between the pipes; at the same time, positioning is also more convenient and simple, thereby improving construction efficiency.

[0014] In one example of the present invention, a first vertical connector, one end of which penetrates the pipe where the second surface is located and is connected to the third surface, and the other end is connected to the third wrapping piece; a second vertical connector, which connects the fourth surface and the third wrapping piece.

[0015] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting one end of the first vertical connecting member to penetrate and connect to the second surface, the connection between the third wrapping member and the pipe where the second surface is located is made more stable, so that multiple reinforcement members can be fixed more firmly, and at the same time, a second vertical connecting member is set to connect the fourth surface and the third wrapping member, so that the third wrapping member is more stable, so that the reinforcement member can be better fixed, thereby ensuring the stability of the connection between the pipes.

[0016] In an example of the present invention, the second wrapping piece and the third wrapping piece have the same height.

[0017] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting the second wrapping piece and the third wrapping piece to the same height, the second wrapping piece and the third wrapping piece can be better overlapped, thereby better wrapping and fixing multiple reinforcement members, and at the same time, the installation of the second wrapping piece and the third wrapping piece can be more convenient and quick, which can improve construction efficiency.

[0018] The utility model also provides a pipe splicing structure, such as any of the above-mentioned pipe connecting devices used for the pipe splicing structure, characterized in that the pipe splicing structure also includes: a first pipe sheet assembly, the first pipe sheet assembly is provided with a hole door, and openings are provided on both sides of the hole door; a second pipe sheet assembly, the second pipe sheet assembly is arranged on a side close to the hole door, and the second pipe sheet assembly is connected to the first pipe sheet assembly through the pipe connecting device.

[0019] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting openings on both sides of the tunnel gate of the first pipe segment assembly, construction is simpler and more convenient, and at the same time, it has better practicality and adaptability during construction, and can better adapt to the current tunnel construction environment.

[0020] After adopting the technical solution of the utility model, the following technical effects can be achieved:

[0021] (1) By setting a first fixing member to connect the first surface and the second surface, two adjacent pipes are preliminarily connected, which can facilitate subsequent connection and fixation. At the same time, a first connecting component and a second connecting component are set to connect the first fixing member and the pipe, and then the two adjacent pipes are connected with the help of the first fixing member and the two connecting components, so that the connection between the two adjacent pipes is more stable and firm. At the same time, by setting two connecting components to overlap and stagger, the tension and strength provided by the two connecting components are greater, which can better ensure the connection between the two adjacent pipes. At the same time, the connection method is simpler, which is convenient for improving construction efficiency. At the same time, multiple reinforcement members are also set. Through the setting of multiple reinforcement members, the strength of the overall pipe connection device is higher, which can better ensure the stability of the current connection between the two adjacent pipes, thereby ensuring the progress of subsequent construction work;

[0022] (2) By arranging the first wrapping member to wrap around the outside of the plurality of reinforcing members, the plurality of reinforcing members can be protected and fixed by the first wrapping member, thereby making the fixing and reinforcing effects of the plurality of reinforcing members better. At the same time, the designer connects the first wrapping member with a plurality of transverse members, thereby making the first wrapping member more stable and firm, and better wrapping and fixing the plurality of reinforcing members, thereby making the first connecting assembly connect the two adjacent pipes, making the connection between the two adjacent pipes more compact and stable;

[0023] (3) By arranging the second wrapping piece to partially overlap with the first wrapping piece, the first wrapping piece can fix multiple reinforcements together with the second wrapping piece, thereby making the stability and fixation effect of the multiple reinforcements stronger. At the same time, the third wrapping piece is also arranged to partially overlap with the second wrapping piece, which ensures the relative stability between the second wrapping piece and the third wrapping piece, and can also better wrap and fix the reinforcements, thereby ensuring the firmness of the connection between the pipes. At the same time, the positioning is also more convenient and simple, which can better improve the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic structural diagram of a pipeline connecting device provided in an embodiment of the utility model.

[0026] Figure 2A structural schematic diagram of a pipeline splicing structure provided in an embodiment of the utility model.

[0027] Figure 3 A schematic diagram of the local structure of a pipeline splicing structure provided in an embodiment of the utility model.

[0028] Description of reference numerals:

[0029] 100, pipe connecting device; 110, first surface; 120, second surface; 130, first fixing member; 140, first connecting assembly; 141, horizontal member; 142, first vertical edge; 143, second vertical edge; 150, second connecting assembly; 151, second wrapping member; 152, third wrapping member; 153, first vertical connecting member; 154, second vertical connecting member; 160, reinforcing member; 170, third surface; 180, fourth surface; 200, first pipe sheet assembly; 210, opening; 220, second pipe sheet assembly. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0031] [First embodiment]

[0032] See also Figure 1-Figure 3 The utility model provides a pipe connecting device 100, which is used to connect two adjacent pipes, and the two adjacent pipes are close to each other on one side, namely, a first side 110 and a second side 120. The pipe connecting device 100 includes: a first fixing member 130, which connects the first side 110 and the second side 120; a first connecting component 140, which connects the pipe where the first fixing member 130 and the second side 120 are located; a second connecting component 150, which connects the pipe where the first fixing member 130 and the second side 120 are located, and the second connecting component 150 and the first connecting component 140 are overlapped and staggered; a plurality of reinforcing members 160, which are arranged on one side close to the first connecting component 140 and the second connecting component 150; wherein, the outside of the pipe connecting device 100 is covered with casting material.

[0033] Specifically, the first surface 110 , the second surface 120 , the third surface 170 , and the fourth surface 180 in the present application are not limited to specific shapes. For example, they can be curved surfaces or flat surfaces.

[0034] Specifically, when the tunnels are connected, a concrete pipe connection is used, and the main tunnel and the communication channel are used as adjacent pipes. Specifically, the first fixing member 130 is connected to the first surface 110 of the main tunnel and the second surface 120 of the communication channel, and the connection method can be welding. The first fixing member 130 can be a water-stopping steel plate to prevent external water from entering the tunnel.

[0035] Furthermore, the first connection component 140 and the second connection component 150 are connected, and the connection method can be spot welding. Specifically, the first wrapping member in the first connection component 140 is used to wrap the reinforcement member 160. The first wrapping member is rectangular and wraps around the outside of multiple reinforcement members 160 to bundle and fix the multiple reinforcement members. The first wrapping member is provided with a transverse member 141, and the transverse member 141 is welded to the first vertical edge 142 and the second vertical edge 143 to ensure stability, and another transverse member 141 is welded to the first vertical edge 142 and the second surface 120. At the same time, the first wrapping member is also welded to the first surface 110.

[0036] Furthermore, the second wrapping piece 151 and the third wrapping piece 152 may also be rectangular in shape, and are also wrapped and arranged on the outside of multiple reinforcement members 160 for bundling and fixing. At the same time, the width of the second wrapping piece 151 is the same as that of the first wrapping piece, that is, the second wrapping piece 151 has two opposite sides that overlap with the first vertical edge 142 and the second vertical edge 143, thereby making the wrapping strength higher and the stability stronger.

[0037] Furthermore, the third wrapping member 152 and the second wrapping member 151 have the same height and are partially overlapped, thereby making the bundling strength higher and the connection strength also higher.

[0038] Preferably, by setting a first fixing member 130 to connect the first surface 110 and the second surface 120, two adjacent pipes are preliminarily connected, which can facilitate subsequent connection and fixing. At the same time, a first connecting assembly 140 and a second connecting assembly 150 are set to connect the first fixing member 130 and the pipe, and then the two adjacent pipes are connected with the help of the first fixing member 130 and the two connecting assemblies, so that the connection between the two adjacent pipes is more stable and firm. At the same time, by setting two connecting assemblies in an overlapping and staggered manner, the tension and strength provided by the two connecting assemblies are greater, which can better ensure the connection between the two adjacent pipes. At the same time, a plurality of reinforcing members 160 are also set. Through the setting of the plurality of reinforcing members 160, the strength of the overall pipe connection device 100 is higher, which can better ensure the stability of the connection between the two adjacent pipes, and thus ensure the progress of the subsequent construction work.

[0039] Specifically, one end of the first fixing member 130 is connected to the first surface 110 , and a portion of the first fixing member 130 is disposed in close contact with the second surface 120 .

[0040] Preferably, by setting one end of the first fixing member 130 to be connected to the first surface 110 and partially fit with the second surface 120, the connection between the first fixing member 130 and the first surface 110 and the second surface 120 is made tighter, thereby ensuring the connection stability and firmness between the two adjacent pipes, and at the same time preventing external water from entering the interior, which can play a better protective role.

[0041] Specifically, the pipe where the second surface 120 is located is provided with a third surface 170, and the first connecting component 140 also includes: a first wrapping piece, the first wrapping piece is connected to the first surface 110, and the first wrapping piece is sleeved on the outside of multiple reinforcement pieces 160; multiple transverse pieces 141, and the multiple transverse pieces 141 are arranged to connect the first wrapping piece.

[0042] Preferably, by arranging a first wrapping member to wrap around the outside of multiple reinforcement members 160, the multiple reinforcement members 160 can be protected and fixed by the first wrapping member, thereby making the fixing and reinforcement effects of the multiple reinforcement members 160 better. At the same time, the designer connects the first wrapping member with multiple transverse members 141, so that the first wrapping member can be more stable and firm, and can better wrap and fix the multiple reinforcement members 160, thereby making the first connecting component 140 connect two adjacent pipes, making the connection between the two adjacent pipes tighter and more stable.

[0043] Specifically, the first wrapping member is provided with a first vertical edge 142 and a second vertical edge 143 which are arranged opposite to each other; at least one horizontal member 141 among the plurality of horizontal members 141 connects the first vertical edge 142 and the second vertical edge 143; and at least one horizontal member 141 among the plurality of horizontal members 141 connects the first vertical edge 142 and the second surface 120.

[0044] Preferably, by providing a transverse member 141 between two vertical edges, the first wrapping member can be better fixed by the transverse member 141, so that the wrapping member has a stronger wrapping effect on the reinforcement member 160, thereby ensuring the overall firmness, making the connection between the pipes tighter and firmer, and not easy to fall off, thereby affecting subsequent projects.

[0045] Specifically, the second connecting component 150 also includes: a second wrapping piece 151, wherein the second wrapping piece 151 partially overlaps with the first wrapping piece; a third wrapping piece 152, wherein the third wrapping piece 152 partially overlaps with the second wrapping piece 151, and the second wrapping piece 151 and the third wrapping piece 152 are both mounted on the outside of the multiple reinforcement pieces 160.

[0046] Preferably, by arranging the second wrapping piece 151 and the first wrapping piece to partially overlap, the first wrapping piece can jointly fix the multiple reinforcement members 160 with the second wrapping piece 151, thereby making the stability and fixing effect of the multiple reinforcement members 160 stronger. At the same time, the third wrapping piece 152 is also arranged to partially overlap the second wrapping piece 151, thereby ensuring the relative stability between the second wrapping piece 151 and the third wrapping piece 152, and at the same time, the reinforcement members 160 can be better wrapped and fixed, thereby ensuring the firmness of the connection between the pipes, and positioning is also more convenient and simple, which can better improve the construction efficiency.

[0047] Specifically, a first vertical connector 153, one end of the first vertical connector 153 penetrates the pipe where the second surface 120 is located and is connected to the third surface 170, and the other end is connected to the third wrapping member 152; a second vertical connector 154, the second vertical connector 154 connects the fourth surface 180 and the third wrapping member 152.

[0048] Preferably, by setting one end of the first vertical connecting member 153 to penetrate and connect to the second surface 120, the connection between the third wrapping member 152 and the pipe where the second surface 120 is located is made more stable, so that multiple reinforcement members 160 can be fixed more firmly. At the same time, a second vertical connecting member 154 is set to connect the fourth surface 180 and the third wrapping member 152, so that the third wrapping member 152 is more stable, so that the reinforcement member 160 can be better fixed, thereby ensuring the stability of the connection between the pipes.

[0049] Specifically, the second wrapping member 151 and the third wrapping member 152 have the same height.

[0050] Preferably, by setting the second wrapping member 151 and the third wrapping member 152 to have the same height, the second wrapping member 151 and the third wrapping member 152 can be better overlapped, so that the multiple reinforcement members 160 can be better wrapped and fixed, and the installation of the second wrapping member 151 and the third wrapping member 152 can be more convenient and quick, thereby improving construction efficiency.

[0051] The utility model also provides a pipeline splicing structure, such as any of the above-mentioned pipeline connecting devices 100 used for the pipeline splicing structure, characterized in that the pipeline splicing structure also includes: a first pipeline sheet assembly 200, the first pipeline sheet assembly 200 is provided with a hole door, and openings 210 are provided on both sides of the hole door; a second pipeline sheet assembly 220, the second pipeline sheet assembly is arranged on a side close to the hole door, and the second pipeline sheet assembly is connected to the first pipeline sheet assembly 200 through the pipeline connecting device 100.

[0052] Preferably, by providing openings 210 on both sides of the tunnel door of the first pipe sheet assembly 200, it makes construction simpler and more convenient, and at the same time makes it more practical and adaptable during construction, and can better adapt to the current tunnel construction environment. Specifically, the first seal is arranged on the first surface 110; the second seal is arranged on the second surface 120.

[0053] Specifically, the first sealing member and the second sealing member may be sealing and waterproof materials such as rubber strips.

[0054] Preferably, by arranging two sealing members on the first surface 110 and the second surface 120 respectively, the pipeline can be provided with better waterproofness, and water seepage will not occur inside the pipeline, thereby improving the safety and usability inside the pipeline, and avoiding accidents caused by water seepage, thereby improving safety. At the same time, it will not affect the subsequent pipeline construction.

[0055] Specifically, the first sealing member is disposed at a side away from a connection between the first fixing member 130 and the first surface 110 .

[0056] Preferably, by arranging the first seal on a side away from the connection between the first fixing member 130 and the first surface 110, the first seal can better seal the inside of the pipeline, and water seepage will not occur, thereby improving the safety and sealing of the inside of the pipeline, thereby ensuring the connection stability of the pipeline.

[0057] The utility model also provides a pipeline splicing structure, such as any of the above-mentioned pipeline connecting devices 100 used for the pipeline splicing structure, characterized in that the pipeline splicing structure also includes: a first pipeline sheet assembly 200, the first pipeline sheet assembly 200 is provided with a hole door, and openings 210 are provided on both sides of the hole door; a second pipeline sheet assembly 220, the second pipeline sheet assembly is arranged on a side close to the hole door, and the second pipeline sheet assembly is connected to the first pipeline sheet assembly 200 through the pipeline connecting device 100.

[0058] Specifically, the opening 210 can be used for subsequent prefabricated steel mesh and concrete filling, which can better speed up the construction progress.

[0059] Preferably, by providing openings 210 on both sides of the tunnel door of the first pipe sheet assembly 200, construction is made simpler and more convenient, and at the same time, the construction can be more practical and adaptable, and can better adapt to the current tunnel construction environment.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A pipeline connecting device, characterized in that: The pipeline connecting device is used to connect two adjacent pipelines, and the two adjacent pipelines are close to each other on a first surface (110) and a second surface (120), respectively. The pipeline connecting device comprises: A first fixing member (130), wherein the first fixing member (130) connects the first surface (110) and the second surface (120); a first connecting component (140), the first connecting component (140) connecting the first fixing member (130) and the pipe where the second surface (120) is located; a second connecting component (150), the second connecting component (150) connecting the first fixing member (130) and the pipe where the second surface (120) is located, and the second connecting component (150) and the first connecting component (140) are overlapped and staggered; a plurality of reinforcing members (160), wherein the plurality of reinforcing members (160) are arranged on a side close to the first connecting component (140) and the second connecting component (150), and the first connecting component (140) and the second connecting component (150) wrap the plurality of reinforcing members (160); Wherein, the outside of the pipeline connecting device is covered with casting material.

2. The pipeline connecting device according to claim 1, characterized in that: One end of the first fixing member (130) is connected to the first surface (110), and a portion of the first fixing member (130) and the second surface (120) are arranged in close contact.

3. The pipe connection device according to claim 1, characterized in that: The pipeline where the second surface (120) is located is provided with a third surface (170), and the first connection assembly (140) further includes: A first wrapping member, the first wrapping member is connected to the first surface (110), and the first wrapping member is sleeved on the outside of the plurality of reinforcing members (160); A plurality of transverse members (141) are arranged to connect the first wrapping members.

4. The pipeline connection device according to claim 3, characterized in that: The first wrapping member is provided with a first vertical edge (142) and a second vertical edge (143) which are arranged opposite to each other; At least one transverse member (141) among the plurality of transverse members (141) connects the first vertical side (142) and the second vertical side (143); And at least one transverse member (141) among the plurality of transverse members (141) connects the first vertical edge (142) and the second surface (120).

5. The pipeline connection device according to claim 4, characterized in that: The second connection component (150) further includes: A second wrapping piece (151), wherein the second wrapping piece (151) partially overlaps with the first wrapping piece; A third wrapping piece (152), wherein a portion of the third wrapping piece (152) overlaps with the second wrapping piece (151), and both the second wrapping piece (151) and the third wrapping piece (152) are sleeved on the outside of the plurality of reinforcing pieces (160).

6. The pipeline connection device according to claim 5, characterized in that: The pipeline where the second surface (120) is located is also provided with a fourth surface (180); A first vertical connecting member (153), one end of the first vertical connecting member (153) penetrates the pipe where the second surface (120) is located and is connected to the third surface (170), and the other end of the first vertical connecting member (153) is connected to the third wrapping member (152); A second vertical connecting member (154), wherein the second vertical connecting member (154) connects the fourth surface (180) and the third wrapping member (152).

7. The pipeline connection device according to claim 6, characterized in that: Also includes: The second wrapping member (151) and the third wrapping member (152) have the same height.

8. A pipe splicing structure, wherein the pipe connecting device according to any one of claims 1 to 7 is used for the pipe splicing structure, characterized in that: The pipeline splicing structure also includes: A first duct sheet assembly (200), wherein the first duct sheet assembly (200) is provided with a door, and openings (210) are provided on both sides of the door; A second pipe sheet assembly (220), wherein the second pipe sheet assembly is arranged on a side close to the tunnel door, and the second pipe sheet assembly is connected to the first pipe sheet assembly (200) via the pipe connection device.

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