Waterproof elastic connecting device for cross-sea suspended tunnel

Abstract

The utility model provides a waterproof elastic coupling device for cross-sea suspension tunnel, including first tunnel pipe body, first tugboat, coupling structure, auxiliary installation structure, lifting structure and auxiliary butt joint structure, the utility model relates to underwater suspension tunnel technical field, first tunnel pipe body one side is provided with second tunnel pipe body, and the coupling structure is arranged between first tunnel pipe body and second tunnel pipe body, the utility model discloses a coupling structure and auxiliary installation structure are used to connect two tunnel pipe bodies closely together, and the fastening installation of several fixed bolts is completed to sealing ring, prevents the phenomenon that the joint pipe and the connecting sleeve pipe appear loose and produce gap under long time use state, improves the sealing and waterproof effect of joint pipe and connecting sleeve pipe through two groups of annular sealing washer, improves the stability of two groups of tunnel pipe body when connecting through auxiliary butt joint structure, prevents the violent swing of second tunnel pipe body in the process of butt joint and influences the precision of butt joint, reduces the risk of mutual collision of two groups of pipes.

Description

Technical Field

[0001] This invention relates to the field of underwater suspended tunnel technology, and in particular to a waterproof elastic connection device for cross-sea suspended tunnels. Background Technology

[0002] Building a road underground is called a tunnel; building it over water is called a bridge. A floating bridge built underwater—the Archimedes' Bridge, also known as a suspended underwater tunnel—is different from a typical seabed tunnel. A suspended tunnel is not buried beneath the seabed but is a tubular tunnel suspended in the water by its own weight, buoyancy, and anchoring force. The advantage of a suspended tunnel is that it is not limited by span or water depth. When the water depth exceeds 1 kilometer or the width exceeds 5 kilometers, existing engineering solutions become difficult to implement, while suspended tunnels can be built in places with long spans, deep water, and steep terrain. Suspended tunnels are also unaffected by extreme weather; they have minimal impact on the topography of the surrounding landforms; and once the technology matures, they have a cost advantage, with the cost per unit length not increasing with the span. Cross-sea suspended tunnels are used to connect two distant landmasses or islands. It is an important underwater transportation infrastructure that provides underwater passages, facilitating the cross-sea transport of people and goods. From a construction perspective, the tunnel body of a cross-sea suspended tunnel obviously cannot be prefabricated as a whole; it must be spliced ​​together using multiple flexible connecting devices to form a complete structure.

[0003] When connecting two existing sets of cross-sea suspended tunnel sections, the two adjacent tunnel sections need to be precisely aligned point-to-point for docking. However, during this docking, the connecting joint, located on the seabed, is prone to swaying and drifting, affecting docking efficiency. Furthermore, the two sets of tunnel sections are susceptible to collisions during this swaying. To address these issues, this application proposes a waterproof elastic connection device for cross-sea suspended tunnels. Summary of the Invention

[0004] This invention proposes a waterproof elastic connection device for cross-sea suspended tunnels to solve the technical problems existing in the background art.

[0005] To address the aforementioned problems, this invention proposes a waterproof elastic connection device for a cross-sea suspended tunnel, comprising a first tunnel body, a first tugboat, a connection structure, an auxiliary installation structure, a lifting structure, and an auxiliary docking structure. The device is characterized in that a second tunnel body is provided on one side of the first tunnel body, a connection structure is provided between the first and second tunnel bodies, an auxiliary installation structure is provided outside the connection structure, a steel cable is provided at one end of the first tugboat, and the first tugboat is connected to the second tugboat via the steel cable. Both the first and second tugboats have lifting structures at their lower ends, and an auxiliary docking structure is provided below the lifting structure. Furthermore, the first and second tunnel bodies are placed inside the two sets of auxiliary docking structures.

[0006] Preferably, the connecting structure includes a tapered tube, a connecting sleeve, a movable groove, a movable ball, a threaded groove, a stop block, a sealing ring, an installation groove, a connecting pipe, an annular groove, an annular sealing gasket, an annular snap-fit ​​groove, an abutment groove, and a fixing bolt. The tapered tube is provided at one end of the first tunnel pipe near the second tunnel pipe, and the connecting sleeve is provided at one end of the tapered tube near the second tunnel pipe. Several movable grooves are opened on the side wall of the connecting sleeve, and a movable ball is movably connected to the inner wall of the movable groove. Several threaded grooves are opened in an annular array at one end of the connecting sleeve near the second tunnel pipe, and two stop blocks are symmetrically arranged on the inner wall of the connecting sleeve.

[0007] Preferably, a sealing ring is provided at the end of the second tunnel pipe near the first tunnel pipe. The sealing ring has several mounting grooves arranged in an annular array inside. A connecting pipe is provided at the end of the sealing ring near the first tunnel pipe. An annular snap-fit ​​groove is provided on the outer wall of the connecting pipe. An annular groove is provided on both sides of the annular snap-fit ​​groove on the outer wall of the connecting pipe. An annular sealing gasket is provided inside the annular groove. An abutment groove is provided on the outer wall of the connecting pipe near the first tunnel pipe. A fixing bolt is provided inside the mounting groove, and the fixing bolt is threadedly connected to the threaded groove.

[0008] Preferably, the auxiliary installation structure includes springs, a movable sleeve, an annular compression block, and protruding levers. Several springs are arranged in an annular array at the end of the tapered tube away from the first tunnel tube body, and the springs are located outside the connecting sleeve. A movable sleeve is slidably connected to the outer wall of the first tunnel tube body, and an annular compression block is provided on the inner wall of the movable sleeve. Several springs are connected to the annular compression block. Several protruding levers are arranged in an annular array on the outer wall of the movable sleeve.

[0009] Preferably, the lifting structure includes an adjusting sleeve, a threaded rod, a first bevel gear, a rotating rod, a second bevel gear, a second turntable, a second threaded sleeve, and an extension sleeve. The lower ends of the first tunnel pipe and the second tunnel pipe are both provided with adjusting sleeves. The top of the inner end of the adjusting sleeve is provided with a threaded rod, the upper outer side of the threaded rod is provided with a first bevel gear, and the inner sidewall of the adjusting sleeve is provided with a rotating rod.

[0010] Preferably, a second bevel gear is provided at the end of the rotating rod near the threaded rod, and the first bevel gear is meshed with the second bevel gear. A second turntable is provided at the end of the rotating rod away from the threaded rod through the side wall of the adjusting sleeve. A second threaded sleeve is threadedly connected to the threaded rod, and an extension sleeve is provided at the lower end of the second threaded sleeve.

[0011] Preferably, the auxiliary docking structure includes a connecting plate, positive and negative lead screws, a first turntable, an auxiliary rod, a first threaded sleeve, an arc-shaped block, and balls. The lower end of the extension sleeve is provided with a connecting plate, and a positive and negative lead screw is provided on one side of the lower end of the connecting plate. The upper end of the positive and negative lead screw is provided with a first turntable that passes through the connecting plate. The lower end of the connecting plate away from the positive and negative lead screw is provided with an auxiliary rod. The upper and lower sides of the positive and negative lead screw are threadedly connected with first threaded sleeves, and an arc-shaped block is provided at one end of each of the two first threaded sleeves that are close to each other. A wear-resistant block is provided on one end face of each of the two arc-shaped blocks that are close to each other.

[0012] Preferably, one end of the connecting plate located on the upper side of the first tunnel pipe is provided with two sliding rods, and the connecting plate located on the upper side of the second tunnel pipe is slidably connected to the sliding rods.

[0013] The above-mentioned technical solution of the present invention has the following beneficial technical effects: This device connects two tunnel pipes together through the setting of a connecting structure. By controlling the second tunnel pipe to move towards the first tunnel pipe, the connecting pipe moves into the inside of the connecting sleeve. When the abutting groove of the connecting pipe moves to the stop block, several fixing bolts are installed in several mounting grooves and threaded grooves to complete the tight installation of the sealing ring, preventing the connecting pipe and the connecting sleeve from loosening and causing gaps under long-term use, thereby improving the sealing effect of the device. Furthermore, the setting of two sets of annular sealing gaskets improves the sealing and waterproofing effect of the connecting pipe and the connecting sleeve.

[0014] This device improves the tightness of the connection between the two tunnel pipes by setting up an auxiliary installation structure. Before moving the connecting pipe into the connecting sleeve, the operator pulls the movable sleeve towards the first tunnel pipe using several protruding levers. At this time, the annular compression block compresses the springs, and several springs deform under the compression. After the connecting pipe and the connecting sleeve are connected, the limit on the movable sleeve is released. Driven by the elastic potential energy of several springs, the movable sleeve moves towards the second tunnel pipe, which in turn drives the annular compression block to move towards several movable balls and compresses the movable balls, causing the movable balls to move into the annular locking groove of the connecting pipe. Several springs drive the annular compression block to be spaced inside several movable grooves, completing the limitation and blocking of the movable balls, completing the tight connection between the connecting sleeve and the connecting pipe, and thus completing the elastic connection of the two tunnel pipes.

[0015] This device uses a lifting structure to adjust the depth of several arc-shaped blocks underwater. Two sets of tugboats move several adjusting sleeves to the first tunnel pipe, and the two sets of tugboats are fastened together by steel cables. Then, rotating two second turntables drives the rotating rod and the second bevel gear to rotate. Through the meshing connection of the first and second bevel gears, the threaded rod is driven to rotate, which in turn drives the second threaded sleeve and the extension sleeve to move downward, thereby adjusting the stretching length of the two connecting plates and the arc-shaped blocks. The two arc-shaped blocks are moved to one side of the movable sleeve. By adjusting the depth of the two sets of connecting plates, the accuracy of the subsequent docking of the second tunnel pipe is improved. Then, the first tugboat is controlled so that the two arc-shaped blocks on its lower side pass through the movable sleeve. Then, rotating the first turntable drives the positive and negative screw rods to rotate, which in turn drives the two first threaded sleeves and the arc-shaped blocks to move closer to each other, so that the two arc-shaped blocks are pressed tightly against the first tunnel pipe, thereby connecting the first tugboat and the first tunnel pipe together.

[0016] This device improves the stability of connecting two sets of tunnel pipes by setting up an auxiliary docking structure. The docking pipe to be docked passes between two arc-shaped blocks under the second tugboat, allowing the arc-shaped blocks to move to the second tunnel pipe. By rotating the first turntable at the second tunnel pipe, the two arc-shaped blocks clamp and position the second tunnel pipe. Then, by controlling the second tunnel pipe to move towards the first tunnel pipe, the connecting plate on the upper side of the second tunnel pipe slides on the slide rod. Under the action of the two slide rods and the connecting plate, the second tunnel pipe is prevented from shaking violently during docking, which would affect the docking accuracy. At the same time, the risk of collision between the two sets of suspended tunnel pipes is reduced, allowing the second tunnel pipe to connect smoothly to the first tunnel pipe, thereby improving the accuracy of tunnel docking. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the connection structure between the first tunnel tube and the second tunnel tube in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0018] Figure 2 This is a front view of a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0019] Figure 3 This is a schematic diagram of the connecting sleeve in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0020] Figure 4 This is a schematic diagram of the connecting pipe in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0021] Figure 5This is a schematic diagram of another state of the connecting sleeve and the butt joint in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0022] Figure 6 This is an enlarged view of A in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0023] Figure 7 This is a perspective view of the connecting sleeve in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0024] Figure 8 This is a side view of the connecting plate in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0025] Figure 9 This is a schematic diagram of the adjusting sleeve in a waterproof elastic connection device for a cross-sea suspended tunnel proposed in this invention.

[0026] Reference numerals: 1. First tunnel body; 2. Second tunnel body; 3. Tapered tube; 4. Connecting sleeve; 5. Movable groove; 6. Movable ball; 7. Threaded groove; 8. Stop block; 9. Spring; 10. Movable sleeve; 11. Annular extrusion block; 12. Protruding lever; 13. Sealing ring; 14. Mounting groove; 15. Connecting tube; 16. Annular groove; 17. Annular sealing gasket; 18. Annular snap-fit ​​groove; 19. Abutment groove; 20. 21. Fixing bolt; 22. First tugboat; 23. Adjusting sleeve; 24. Connecting plate; 25. Positive and negative threaded rod; 26. First turntable; 27. Auxiliary rod; 28. First threaded sleeve; 29. ​​Arc-shaped block; 30. Wear-resistant block; 31. Sliding rod; 32. Second tugboat; 33. Steel cable; 34. Threaded rod; 35. First bevel gear; 36. Rotating rod; 37. Second bevel gear; 38. Second threaded sleeve; 39. Extension sleeve. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0028] like Figure 1-9As shown, the present invention proposes a waterproof elastic connection device for a cross-sea suspended tunnel, comprising a first tunnel body 1, a first tugboat 21, a connection structure, an auxiliary installation structure, a lifting structure, and an auxiliary docking structure. The device is characterized in that a second tunnel body 2 is provided on one side of the first tunnel body 1, a connection structure is provided between the first tunnel body 1 and the second tunnel body 2, an auxiliary installation structure is provided on the outside of the connection structure, a steel cable 32 is provided at one end of the first tugboat 21, the first tugboat 21 is connected to the second tugboat 31 via the steel cable 32, a lifting structure is provided at the lower end of both the first tugboat 21 and the second tugboat 31, an auxiliary docking structure is provided on the lower side of the lifting structure, and the first tunnel body 1 and the second tunnel body 2 are placed inside the two sets of auxiliary docking structures.

[0029] In an optional embodiment, the connecting structure includes a tapered tube 3, a connecting sleeve 4, a movable groove 5, a movable ball 6, a threaded groove 7, a stop block 8, a sealing ring 13, a mounting groove 14, a connecting pipe 15, an annular groove 16, an annular sealing gasket 17, an annular snap-fit ​​groove 18, an abutment groove 19, and a fixing bolt 20. A tapered tube 3 is provided at one end of the first tunnel pipe 1 near the second tunnel pipe 2. A connecting sleeve 4 is provided at one end of the tapered tube 3 near the second tunnel pipe 2. Several movable grooves 5 are formed on the side wall of the connecting sleeve 4, and a movable ball 6 is movably connected to the inner wall of each movable groove 5. Several threaded grooves 7 are formed in an annular array at one end of the connecting sleeve 4 near the second tunnel pipe 2. Two stop blocks 8 are symmetrically arranged on the inner wall of the connecting sleeve 4. A sealing ring 13 is provided at one end of the second tunnel pipe 2 near the first tunnel pipe 1. Several mounting grooves 14 are formed in an annular array inside the sealing ring 13. A connecting pipe 15 is provided at one end of the sealing ring 13 near the first tunnel pipe 1, and an annular snap-fit ​​groove is formed on the outer wall of the connecting pipe 15. The connecting groove 18 and the connecting pipe 15 are provided with annular grooves 16 on both sides of the annular snap groove 18. Annular sealing gaskets 17 are provided inside the annular grooves 16. An abutment groove 19 is provided on the outer wall of the connecting pipe 15 near the first tunnel pipe 1. Fixing bolts 20 are provided inside the mounting groove 14 and are threadedly connected to the threaded groove 7. When connecting the two tunnel pipes, the second tunnel pipe 2 is controlled to move towards the first tunnel pipe 1, so that the connecting pipe 15 moves into the connecting sleeve 4. When the abutment groove 19 of the connecting pipe 15 moves to the stop block 8, several fixing bolts 20 are installed in several mounting grooves 14 and threaded grooves 7 to complete the tight installation of the sealing ring 13, preventing the connecting pipe 15 and the connecting sleeve 4 from loosening and causing gaps during long-term use, thereby improving the sealing effect of the device. The setting of two sets of annular sealing gaskets 17 further improves the sealing and waterproofing effect of the connecting pipe 15 and the connecting sleeve 4.

[0030] In an optional embodiment, the auxiliary installation structure includes springs 9, a movable sleeve 10, an annular compression block 11, and protruding levers 12. A plurality of springs 9 are arranged in an annular array at the end of the tapered tube 3 away from the first tunnel body 1, and these springs 9 are located outside the connecting sleeve 4. The movable sleeve 10 is slidably connected to the outer wall of the first tunnel body 1, and an annular compression block 11 is provided on the inner wall of the movable sleeve 10. All springs 9 are connected to the annular compression block 11. A plurality of protruding levers 12 are arranged in an annular array on the outer wall of the movable sleeve 10. Before moving the connecting tube 15 into the connecting sleeve 4, the operator pulls the movable sleeve 10 towards the first tunnel body 1 using the protruding levers 12. At this time, the annular compression block 11 compresses the spring 9, and several springs 9 deform under compression. After the connecting pipe 15 and the connecting sleeve 4 are connected, the limiting of the movable sleeve 10 is released. Driven by the elastic potential energy of several springs 9, the movable sleeve 10 will move towards the second tunnel pipe 2, thereby driving the annular compression block 11 to move towards several movable balls 6 and compressing the movable balls 6, driving several movable balls 6 to move into the annular snap-fit ​​groove 18 of the connecting pipe 15. Several springs 9 drive the annular compression block 11 to be separated inside several movable grooves 5 to complete the limiting and blocking of the movable balls 6, to complete the tight connection between the connecting sleeve 4 and the connecting pipe 15, and thus complete the elastic connection of the two tunnel pipes.

[0031] In an optional embodiment, the lifting structure includes an adjusting sleeve 22, a threaded rod 33, a first bevel gear 34, a rotating rod 35, a second bevel gear 36, a second turntable 37, a second threaded sleeve 38, and an extension sleeve 39. Adjusting sleeves 22 are provided at the lower ends of both the first tunnel body 1 and the second tunnel body 2. A threaded rod 33 is provided at the top inside the adjusting sleeve 22, and a first bevel gear 34 is provided on the upper outer side of the threaded rod 33. A rotating rod 35 is provided on the inner sidewall of the adjusting sleeve 22, and a second bevel gear 36 is provided at the end of the rotating rod 35 near the threaded rod 33, with the first bevel gear 34 meshing with the second bevel gear 36. A second turntable 37 is provided at the end of the rotating rod 35 away from the threaded rod 33, penetrating the sidewall of the adjusting sleeve 22. A second threaded sleeve 38 is threaded onto the threaded rod 33, and an extension sleeve 39 is provided at the lower end of the second threaded sleeve 38. Before the two sets of tunnel bodies are docked, two sets of tugboats are used to move several adjusting sleeves 22 to the first tunnel body 1. The ships are fastened together by steel cables 32. Then, rotating two second turntables 37 drives the rotating rod 35 and the second bevel gear 36 to rotate. With the meshing connection of the first bevel gear 34 and the second bevel gear 36, the threaded rod 33 is driven to rotate, which in turn drives the second threaded sleeve 38 and the extension sleeve 39 to move downward, thereby adjusting the stretching length of the two connecting plates 23 and the arc block 28. The two arc blocks 28 are moved to one side of the movable sleeve 10. Then, the first tugboat 21 is controlled so that the two arc blocks 28 on its lower side pass through the movable sleeve 10. Then, rotating the first turntable 25 drives the positive and negative screws 24 to rotate, which in turn drives the two first threaded sleeves 27 and the arc blocks 28 to move closer to each other, so that the two arc blocks 28 are pressed tightly against the first tunnel pipe 1, so that the first tugboat 21 and the first tunnel pipe 1 are connected together. By adjusting the depth of the two sets of connecting plates 23, the accuracy of the subsequent docking of the second tunnel pipe 2 is improved.

[0032] In an optional embodiment, the auxiliary docking structure includes a connecting plate 23, a positive and negative threaded rod 24, a first turntable 25, an auxiliary rod 26, a first threaded sleeve 27, an arc-shaped block 28, and a ball bearing 29. The lower end of the extension sleeve 39 is provided with the connecting plate 23. A positive and negative threaded rod 24 is provided on one side of the lower end of the connecting plate 23. The upper end of the positive and negative threaded rod 24 passes through the connecting plate 23 and is provided with the first turntable 25. The lower end of the connecting plate 23, away from the positive and negative threaded rod 24, is provided with the auxiliary rod 26. The positive and negative threaded rod 24 is threadedly connected to the upper and lower sides with first threaded sleeves 27. Arc-shaped blocks 28 are provided at the ends of the two first threaded sleeves 27 that are close to each other, and wear-resistant blocks 29 are provided on the end faces of the two arc-shaped blocks 28 that are close to each other. Two sliding rods 30 are provided at one end of the connecting plate 23 located on the upper side of the first tunnel pipe 1, and two sliding rods 30 are provided at the upper side of the connecting plate 23 located on the second tunnel pipe 2. The plate 23 is slidably connected to the slide bar 30, allowing the docking pipe 15 to pass between the two arc-shaped blocks 28 below the second tugboat 31, so that the arc-shaped blocks 28 move to the second tunnel pipe 2. By rotating the first turntable 25 at the second tunnel pipe 2, the two arc-shaped blocks 28 are driven to clamp and position the second tunnel pipe 2. Then, by controlling the second tunnel pipe 2 to move towards the first tunnel pipe 1, the connecting plate 23 on the upper side of the second tunnel pipe 2 slides on the slide bar 30. Under the action of the two slide bars 30 and the connecting plate 23, the second tunnel pipe 2 is prevented from shaking violently during docking, which would affect the docking accuracy. At the same time, the risk of collision between the two sets of suspended tunnel pipes is reduced, so that the second tunnel pipe 2 can be smoothly connected to the first tunnel pipe 1, thereby improving the accuracy of the tunnel docking.

[0033] The working principle of this invention is as follows: When connecting two sets of suspended tunnel tubes, two sets of tugboats first move several adjusting sleeves 22 to the first tunnel tube 1. Then, two second turntables 37 are rotated to drive the rotating rod 35 and the second bevel gear 36 to rotate. Through the meshing connection of the first bevel gear 34 and the second bevel gear 36, the threaded rod 33 is driven to rotate, thereby driving the second threaded sleeve 38 and the extension sleeve 39 to move downward, thereby adjusting the stretching length of the two connecting plates 23 and the arc-shaped block 28. The two arc-shaped blocks 28 are moved to one side of the movable sleeve 10. Then, the first tugboat 21 is controlled to move the two lower sides of the connecting plates 23 and the arc-shaped block 28 to the side of the movable sleeve 10. The arc-shaped block 28 passes through the movable sleeve 10, and then the first turntable 25 is rotated to drive the positive and negative screws 24 to rotate, thereby driving the two first threaded sleeves 27 and the arc-shaped block 28 to move closer to each other, so that the two arc-shaped blocks 28 are pressed against the first tunnel pipe 1, so that the first tugboat 21 and the first tunnel pipe 1 are connected together. Then the docking pipe 15 that needs to be docked passes through the two arc-shaped blocks 28 under the second tugboat 31, so that the arc-shaped blocks 28 move to the second tunnel pipe 2. By rotating the first turntable 25 at the second tunnel pipe 2, the two arc-shaped blocks 28 are driven to clamp and position the second tunnel pipe 2.

[0034] Then, by controlling the second tunnel pipe 2 to move towards the first tunnel pipe 1, the connecting plate 23 on the upper side of the second tunnel pipe 2 slides on the slide rod 30. Under the action of the two slide rods 30 and the connecting plate 23, the second tunnel pipe 2 is prevented from shaking violently during the docking process, which would affect the docking accuracy. At the same time, the risk of collision between the two sets of suspended tunnel pipes is reduced, so that the second tunnel pipe 2 can be smoothly connected to the first tunnel pipe 1, thereby improving the accuracy of the tunnel docking. Before moving the connecting pipe 15 into the connecting sleeve 4, the staff pulls the movable sleeve 10 towards the first tunnel pipe 1 through several protruding levers 12. At this time, the annular extrusion block 11 extrudes the spring 9, and several springs 9 deform under the extrusion. After the connecting pipe 15 and the connecting sleeve 4 are docked, the limit on the movable sleeve 10 is released. Under the drive of the elastic potential energy of several springs 9, the movable sleeve 10 will... The device moves towards the second tunnel pipe 2, thereby driving the annular extrusion block 11 to move towards several movable balls 6 and extruding them. This causes the movable balls 6 to move into the annular snap-fit ​​groove 18 of the connecting pipe 15. Several springs 9 drive the annular extrusion block 11 to be positioned within several movable grooves 5, thus limiting and blocking the movable balls 6. This completes the tight connection between the connecting sleeve 4 and the connecting pipe 15, thereby completing the elastic connection between the two tunnel pipes. When the abutting groove 19 of the connecting pipe 15 moves to the stop block 8, several fixing bolts 20 are installed inside several mounting grooves 14 and threaded grooves 7 to secure the sealing ring 13. This prevents the connecting pipe 15 and the connecting sleeve 4 from loosening and creating gaps during long-term use, thereby improving the sealing effect of the device. Furthermore, the setting of two sets of annular sealing gaskets 17 enhances the sealing and waterproofing effect of the connecting pipe 15 and the connecting sleeve 4.

[0035] It should be understood that the specific embodiments described above are for illustrative purposes or to explain the principles of the invention, and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of the invention should be included within the protection scope of the invention. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A waterproof elastic connection device for a cross-sea suspended tunnel, comprising a first tunnel body (1), a first tugboat (21), a connection structure, an auxiliary installation structure, a lifting structure, and an auxiliary docking structure, characterized in that, A second tunnel body (2) is provided on one side of the first tunnel body (1). A connecting structure is provided between the first tunnel body (1) and the second tunnel body (2). An auxiliary installation structure is provided on the outside of the connecting structure. A steel cable (32) is provided at one end of the first tugboat (21). The first tugboat (21) is connected to the second tugboat (31) through the steel cable (32). A lifting structure is provided at the lower end of both the first tugboat (21) and the second tugboat (31). An auxiliary docking structure is provided on the lower side of the lifting structure. The first tunnel body (1) and the second tunnel body (2) are placed inside the two sets of auxiliary docking structures. The connecting structure includes a tapered tube (3), a connecting sleeve (4), a movable groove (5), a movable ball (6), a threaded groove (7), a stop (8), a sealing ring (13), a mounting groove (14), a connecting pipe (15), an annular groove (16), an annular sealing gasket (17), an annular snap groove (18), an abutment groove (19), and a fixing bolt (20). The first tunnel pipe (1) is provided with a tapered tube (3) at one end near the second tunnel pipe (2). The tapered tube (3) is provided with a connecting sleeve (4) at one end near the second tunnel pipe (2). Several movable grooves (5) are opened on the side wall of the connecting sleeve (4). A movable ball (6) is movably connected to the inner wall of the movable groove (5). Several threaded grooves (7) are opened in an annular array at one end of the connecting sleeve (4) near the second tunnel pipe (2). Two stop blocks (8) are symmetrically arranged on the inner wall of the connecting sleeve (4). The second tunnel pipe (2) is provided with a sealing ring (13) at one end near the first tunnel pipe (1). The sealing ring (13) has several mounting grooves (14) arranged in an annular array inside. The sealing ring (13) is provided with a connecting pipe (15) at one end near the first tunnel pipe (1). The connecting pipe (15) has an annular snap-fit ​​groove (18) on its outer side wall. The connecting pipe (15) has an annular groove (16) on both sides of the annular snap-fit ​​groove (18) on its outer side wall. The annular groove (16) has an annular sealing gasket (17) inside. The connecting pipe (15) has an abutment groove (19) on its outer side wall near the first tunnel pipe (1). The mounting groove (14) has a fixing bolt (20) inside. The fixing bolt (20) is threadedly connected to the threaded groove (7). The auxiliary installation structure includes springs (9), movable sleeves (10), annular compression blocks (11) and protruding levers (12). A number of springs (9) are arranged in annular array at the end of the tapered tube (3) away from the first tunnel tube (1), and the number of springs (9) are located outside the connecting sleeve (4). The movable sleeve (10) is slidably connected to the outer wall of the first tunnel tube (1), and annular compression blocks (11) are arranged on the inner wall of the movable sleeve (10). The number of springs (9) are all connected to the annular compression blocks (11). A number of protruding levers (12) are arranged in annular array on the outer wall of the movable sleeve (10).

2. The waterproof elastic connection device for a cross-sea suspended tunnel according to claim 1, characterized in that, The lifting structure includes an adjusting sleeve (22), a threaded rod (33), a first bevel gear (34), a rotating rod (35), a second bevel gear (36), a second turntable (37), a second threaded sleeve (38), and an extension sleeve (39). The lower ends of the first tunnel pipe (1) and the second tunnel pipe (2) are both provided with adjusting sleeves (22). The top of the inside of the adjusting sleeve (22) is provided with a threaded rod (33). The upper side of the outside of the threaded rod (33) is provided with a first bevel gear (34). The rotating rod (35) is provided on the inner side wall of the adjusting sleeve (22).

3. The waterproof elastic connection device for a cross-sea suspended tunnel according to claim 2, characterized in that, The rotating rod (35) is provided with a second bevel gear (36) at one end near the threaded rod (33), and the first bevel gear (34) is meshed with the second bevel gear (36). The rotating rod (35) is provided with a second turntable (37) through the side wall of the adjusting sleeve (22) at the other end away from the threaded rod (33). A second threaded sleeve (38) is threaded onto the threaded rod (33), and an extension sleeve (39) is provided at the lower end of the second threaded sleeve (38).

4. A waterproof elastic connection device for a cross-sea suspended tunnel according to claim 3, characterized in that, The auxiliary docking structure includes a connecting plate (23), a positive and negative screw (24), a first turntable (25), an auxiliary rod (26), a first threaded sleeve (27), an arc block (28), and a wear-resistant block (29). The lower end of the extension sleeve (39) is provided with a connecting plate (23). A positive and negative screw (24) is provided on one side of the lower end of the connecting plate (23). The upper end of the positive and negative screw (24) passes through the connecting plate (23) and is provided with a first turntable (25). An auxiliary rod (26) is provided on the lower end of the connecting plate (23) away from the positive and negative screw (24). The upper and lower sides of the positive and negative screw (24) are threaded with first threaded sleeves (27). An arc block (28) is provided on one end of each of the two first threaded sleeves (27). A wear-resistant block (29) is provided on one end face of each of the two arc blocks (28).

5. A waterproof elastic connection device for a cross-sea suspended tunnel according to claim 1, characterized in that, Two sliding rods (30) are provided at one end of the connecting plate (23) located on the upper side of the first tunnel pipe (1), and the connecting plate (23) located on the upper side of the second tunnel pipe (2) is slidably connected to the sliding rods (30).

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